← All changes | includes/class-mxchat-integrator.php +5241 -2014 2.0.3 → 2.4.6 View file →

		@@ -9,50 +9,50 @@
9	9	private $chat_count;
10	10	private $fallbackResponse;
11	11	private $productCardHtml;
12	12	private $word_handler;
	13	+ private $last_similarity_analysis = null;
13	14
	15	+
	16	+/**
	17	+ * Class constructor
	18	+ */
14	19	public function __construct() {
15	20	$this->options = get_option('mxchat_options');
16	21	$this->prompts_options = get_option('mxchat_prompts_options', array());
17		-
18	22	$this->chat_count = get_option('mxchat_chat_count', 0);
19	23	$this->word_handler = new MXChat_Word_Handler($this->options);
20		-
	24	+
	25	+ // Add all action hooks
21	26	add_action('wp_enqueue_scripts', array($this, 'mxchat_enqueue_scripts_styles'));
22	27	add_action('wp_ajax_mxchat_handle_chat_request', array($this, 'mxchat_handle_chat_request'));
23	28	add_action('wp_ajax_nopriv_mxchat_handle_chat_request', array($this, 'mxchat_handle_chat_request'));
24		-
25	29	add_action('wp_ajax_mxchat_dismiss_pre_chat_message', array($this, 'mxchat_dismiss_pre_chat_message'));
26	30	add_action('wp_ajax_nopriv_mxchat_dismiss_pre_chat_message', array($this, 'mxchat_dismiss_pre_chat_message'));
	31	+
27	32	// Add the AJAX actions for checking if the pre-chat message was dismissed
28	33	add_action('wp_ajax_mxchat_check_pre_chat_message_status', array($this, 'mxchat_check_pre_chat_message_status'));
29	34	add_action('wp_ajax_nopriv_mxchat_check_pre_chat_message_status', array($this, 'mxchat_check_pre_chat_message_status'));
30		-
31	35	add_action('wp_ajax_mxchat_fetch_conversation_history', [$this, 'mxchat_fetch_conversation_history']);
32	36	add_action('wp_ajax_nopriv_mxchat_fetch_conversation_history', [$this, 'mxchat_fetch_conversation_history']);
33		-
34	37	add_action('wp_ajax_mxchat_add_to_cart', [$this, 'mxchat_add_to_cart']);
35	38	add_action('wp_ajax_nopriv_mxchat_add_to_cart', [$this, 'mxchat_add_to_cart']);
36		-
37		- if (!wp_next_scheduled('mxchat_reset_rate_limits')) {
38		- wp_schedule_event(time(), 'daily', 'mxchat_reset_rate_limits');
39		- }
40		-
	39	+
41	40	// Add REST API routes registration
42	41	add_action('rest_api_init', array($this, 'register_routes'));
43		-
44	42	add_action('wp_ajax_mxchat_fetch_new_messages', array($this, 'mxchat_fetch_new_messages'));
45	43	add_action('wp_ajax_nopriv_mxchat_fetch_new_messages', array($this, 'mxchat_fetch_new_messages'));
46		-
	44	+
	45	+ // Rate limit action - notice we removed the old schedule setup
47	46	add_action('mxchat_reset_rate_limits', array($this, 'mxchat_reset_rate_limits'));
48		-
	47	+
	48	+ // File upload and handling actions
49	49	add_action('wp_ajax_mxchat_upload_pdf', [$this, 'handle_pdf_upload']);
50	50	add_action('wp_ajax_nopriv_mxchat_upload_pdf', [$this, 'handle_pdf_upload']);
51	51	add_action('wp_ajax_mxchat_remove_pdf', [$this, 'handle_pdf_remove']);
52	52	add_action('wp_ajax_nopriv_mxchat_remove_pdf', [$this, 'handle_pdf_remove']);
53		-
54		- // Add these with your other add_action hooks
	53	+
	54	+ // Word document handling actions
55	55	add_action('wp_ajax_mxchat_upload_word', array($this, 'mxchat_handle_word_upload'));
56	56	add_action('wp_ajax_nopriv_mxchat_upload_word', array($this, 'mxchat_handle_word_upload'));
57	57	add_action('wp_ajax_mxchat_remove_word', array($this, 'mxchat_handle_word_remove'));
58	58	add_action('wp_ajax_nopriv_mxchat_remove_word', array($this, 'mxchat_handle_word_remove'));
		@@ -57,15 +57,47 @@
57	57	add_action('wp_ajax_mxchat_remove_word', array($this, 'mxchat_handle_word_remove'));
58	58	add_action('wp_ajax_nopriv_mxchat_remove_word', array($this, 'mxchat_handle_word_remove'));
59	59	add_action('wp_ajax_mxchat_check_word_status', array($this, 'mxchat_check_word_status'));
60	60	add_action('wp_ajax_nopriv_mxchat_check_word_status', array($this, 'mxchat_check_word_status'));
61		-
	61	+
	62	+ // Email handling actions
62	63	add_action('wp_ajax_nopriv_mxchat_handle_save_email_and_response', [$this, 'mxchat_handle_save_email_and_response']);
63	64	add_action('wp_ajax_mxchat_handle_save_email_and_response', [$this, 'mxchat_handle_save_email_and_response']);
64	65	add_action('wp_ajax_nopriv_mxchat_check_email_provided', [$this, 'mxchat_check_email_provided']);
65	66	add_action('wp_ajax_mxchat_check_email_provided', [$this, 'mxchat_check_email_provided']);
	67	+
	68	+ add_action('wp_ajax_mxchat_stream_chat', array($this, 'mxchat_handle_chat_request'));
	69	+ add_action('wp_ajax_nopriv_mxchat_stream_chat', array($this, 'mxchat_handle_chat_request'));
	70	+
	71	+ // Testing panel AJAX actions
	72	+ add_action('wp_ajax_mxchat_get_system_info', array($this, 'mxchat_get_system_info'));
	73	+ add_action('wp_ajax_mxchat_get_similarity_threshold', array($this, 'mxchat_get_similarity_threshold'));
	74	+ add_action('wp_ajax_mxchat_get_kb_status', array($this, 'mxchat_get_kb_status'));
	75	+ add_action('wp_ajax_mxchat_start_fresh_session', array($this, 'mxchat_start_fresh_session'));
	76	+ // Add to your existing constructor, in the section with other AJAX actions:
	77	+ add_action('wp_ajax_mxchat_track_url_click', array($this, 'mxchat_track_url_click'));
	78	+ add_action('wp_ajax_nopriv_mxchat_track_url_click', array($this, 'mxchat_track_url_click'));
	79	+ add_action('wp_ajax_mxchat_track_originating_page', array($this, 'mxchat_track_originating_page'));
	80	+ add_action('wp_ajax_nopriv_mxchat_track_originating_page', array($this, 'mxchat_track_originating_page'));
	81	+ // Add chat mode checking actions
	82	+ add_action('wp_ajax_mxchat_get_current_chat_mode', array($this, 'mxchat_get_current_chat_mode'));
	83	+ add_action('wp_ajax_nopriv_mxchat_get_current_chat_mode', array($this, 'mxchat_get_current_chat_mode'));
	84	+
	85	+ add_filter('mxchat_check_actions_only', array($this, 'check_actions_for_addons'), 10, 4);
	86	+
	87	+
66	88	}
67	89
	90	+// In your core plugin's check_actions_for_addons method:
	91	+public function check_actions_for_addons($default, $message, $user_id, $session_id) {
	92	+ //error_log('MxChat Core: check_actions_for_addons called with message: ' . $message);
	93	+
	94	+ $result = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
	95	+
	96	+ //error_log('MxChat Core: Intent check result = ' . ($result === false ? 'false' : 'true'));
	97	+
	98	+ return $result;
	99	+}
68	100
69	101	private function mxchat_increment_chat_count() {
70	102	$chat_count = get_option('mxchat_chat_count', 0);
71	103	$chat_count++;
		@@ -96,24 +128,9 @@
96	128	'chat_mode' => $chat_mode
97	129	]);
98	130	wp_die();
99	131	}
100		-private function mxchat_fetch_conversation_history_for_ajax($session_id) {
101		- $history = get_option("mxchat_history_{$session_id}", []); // Retrieve stored history based on session ID
102		- $formatted_history = [];
103	132
104		- // Format the history to align with the expected structure for OpenAI
105		- foreach ($history as $entry) {
106		- $formatted_history[] = [
107		- 'role' => $entry['role'], // Ensure this matches 'user' or 'assistant'
108		- 'content' => $entry['content']
109		- ];
110		- }
111		-
112		- return $formatted_history;
113		-}
114		-
115		-
116	133	private function mxchat_fetch_conversation_history_for_ai($session_id) {
117	134	$history = get_option("mxchat_history_{$session_id}", []);
118	135	$formatted_history = [];
119	136
		@@ -150,9 +167,9 @@
150	167	if (!$has_code && $clean_content !== strip_tags($entry['content'])) {
151	168	continue;
152	169	}
153	170
154		- // More accurate token estimation (1 token ≈ 4 characters)
	171	+ // More accurate token estimation (1 token ≈ 4 characters)
155	172	$token_estimate = ceil(mb_strlen($clean_content, 'UTF-8') / 4);
156	173
157	174	// Check token budget with the new estimate
158	175	if (($current_token_count + $token_estimate + $reserved_tokens) > $max_tokens) {
		@@ -206,8 +223,14 @@
206	223	'methods' => 'POST',
207	224	'callback' => [$this, 'handle_slack_interaction'],
208	225	'permission_callback' => [$this, 'verify_slack_request'],
209	226	]);
	227	+
	228	+ register_rest_route('mxchat/v1', '/slack-messages', [
	229	+ 'methods' => 'POST',
	230	+ 'callback' => [$this, 'handle_slack_messages'],
	231	+ 'permission_callback' => [$this, 'verify_slack_request'],
	232	+ ]);
210	233
211	234	//error_log(esc_html__('MxChat REST routes registered', 'mxchat'));
212	235	}
213	236
		@@ -295,20 +318,33 @@
295	318
296	319
297	320
298	321
299		-private function mxchat_save_chat_message($session_id, $role, $message) {
	322	+private function mxchat_save_chat_message($session_id, $role, $message, $originating_page = null) {
300	323	global $wpdb;
301		-
302	324	$table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
303	325	//error_log("[DEBUG] mxchat_save_chat_message -> START for session_id: {$session_id}, role: {$role}");
304		-
	326	+
	327	+ // Check if this is the first message in a new session (before any other database operations)
	328	+ $is_new_session = false;
	329	+ if ($role === 'user') { // Only check for user messages, not bot responses
	330	+ $existing_messages = $wpdb->get_var($wpdb->prepare(
	331	+ "SELECT COUNT(*) FROM $table_name WHERE session_id = %s",
	332	+ $session_id
	333	+ ));
	334	+ $is_new_session = ($existing_messages == 0);
	335	+
	336	+ // Log for debugging
	337	+ if ($is_new_session) {
	338	+ //error_log("[DEBUG] This is a NEW session - first message");
	339	+ }
	340	+ }
	341	+
305	342	// 1) Extract agent name if present
306	343	$agent_name = '';
307	344	if (preg_match('/^Agent: (.*?) - /', $message, $matches)) {
308	345	$agent_name = $matches[1];
309	346	$message = str_replace("Agent: $agent_name - ", '', $message);
310		-
311	347	$session_meta_key = "mxchat_agent_name_{$session_id}";
312	348	if (empty(get_option($session_meta_key))) {
313	349	update_option($session_meta_key, $agent_name);
314	350	//error_log("[DEBUG] mxchat_save_chat_message -> Stored agent_name in option: {$session_meta_key} => {$agent_name}");
		@@ -313,42 +349,57 @@
313	349	update_option($session_meta_key, $agent_name);
314	350	//error_log("[DEBUG] mxchat_save_chat_message -> Stored agent_name in option: {$session_meta_key} => {$agent_name}");
315	351	}
316	352	}
317		-
	353	+
318	354	// 2) Generate unique message_id
319	355	$message_id = uniqid();
320	356	//error_log("[DEBUG] mxchat_save_chat_message -> Generated message_id: {$message_id}");
321		-
	357	+
322	358	// 3) Determine user_id
323	359	$user_id = is_user_logged_in() ? get_current_user_id() : 0;
324		-
	360	+
325	361	// 4) Determine user_identifier
326	362	$user_identifier = $agent_name
327	363	? $agent_name
328	364	: MxChat_User::mxchat_get_user_identifier();
329		-
	365	+
330	366	// 5) Determine displayed_name
331	367	$user_email = MxChat_User::mxchat_get_user_email();
332	368	$displayed_name = $agent_name ? $agent_name : ($user_email ?: $user_identifier);
333		-
	369	+
334	370	// 6) Check for a saved email in wp_options
335	371	$email_option_key = "mxchat_email_{$session_id}";
336	372	$saved_email = get_option($email_option_key);
337	373	//error_log("[DEBUG] mxchat_save_chat_message -> Checking wp_options for email_option_key: {$email_option_key}, found: {$saved_email}");
338		-
339		- // If found, update DB user_email
340		- if ($saved_email) {
341		- $update_res = $wpdb->update(
342		- $table_name,
343		- ['user_email' => $saved_email],
344		- ['session_id' => $session_id],
345		- ['%s'],
346		- ['%s']
347		- );
348		- //error_log("[DEBUG] mxchat_save_chat_message -> Attempted DB user_email update for session_id {$session_id}. update_res: {$update_res}");
	374	+
	375	+ // Check for a saved name in wp_options
	376	+ $name_option_key = "mxchat_name_{$session_id}";
	377	+ $saved_name = get_option($name_option_key);
	378	+ //error_log("[DEBUG] mxchat_save_chat_message -> Checking wp_options for name_option_key: {$name_option_key}, found: {$saved_name}");
	379	+
	380	+ // If found, update DB user_email and user_name
	381	+ if ($saved_email || $saved_name) {
	382	+ $update_data = [];
	383	+ if ($saved_email) {
	384	+ $update_data['user_email'] = $saved_email;
	385	+ }
	386	+ if ($saved_name) {
	387	+ $update_data['user_name'] = $saved_name;
	388	+ }
	389	+
	390	+ if (!empty($update_data)) {
	391	+ $update_res = $wpdb->update(
	392	+ $table_name,
	393	+ $update_data,
	394	+ ['session_id' => $session_id],
	395	+ array_fill(0, count($update_data), '%s'),
	396	+ ['%s']
	397	+ );
	398	+ //error_log("[DEBUG] mxchat_save_chat_message -> Attempted DB user_email/user_name update for session_id {$session_id}. update_res: {$update_res}");
	399	+ }
349	400	}
350		-
	401	+
351	402	// 7) Save to session history in wp_options
352	403	$history_key = "mxchat_history_{$session_id}";
353	404	$history = get_option($history_key, []);
354	405	$history[] = [
		@@ -357,34 +408,149 @@
357	408	'content' => $message,
358	409	'timestamp' => round(microtime(true) * 1000),
359	410	'agent_name' => $displayed_name,
360	411	];
361		- update_option($history_key, $history);
	412	+ update_option($history_key, $history, 'no');
362	413	//error_log("[DEBUG] mxchat_save_chat_message -> Updated session history in option: {$history_key}");
363		-
	414	+
364	415	// 8) Save the message to DB (INSERT)
365	416	$insert_data = [
366	417	'user_id' => $user_id,
367	418	'user_identifier'=> $user_identifier,
368	419	'user_email' => $saved_email ?: $user_email,
	420	+ 'user_name' => $saved_name ?: '', // Add name to insert data
369	421	'session_id' => $session_id,
370	422	'role' => $role,
371	423	'message' => $message,
372	424	'timestamp' => current_time('mysql', 1),
373	425	];
	426	+
	427	+ // IMPROVED: Handle originating page data
	428	+ $columns_exist = $wpdb->get_var("SHOW COLUMNS FROM $table_name LIKE 'originating_page_url'");
	429	+
	430	+ if ($columns_exist) {
	431	+ if ($is_new_session && $role === 'user') {
	432	+ // For the first user message, set originating page data
	433	+
	434	+ // First check if we have it from the parameter
	435	+ if ($originating_page && !empty($originating_page['url'])) {
	436	+ $insert_data['originating_page_url'] = $originating_page['url'];
	437	+ $insert_data['originating_page_title'] = $originating_page['title'] ?? '';
	438	+
	439	+ //error_log("[DEBUG] Setting originating page from parameter: " . $originating_page['url']);
	440	+ }
	441	+ // Otherwise check if it's stored in the instance property
	442	+ else if (isset($this->pending_originating_page) && !empty($this->pending_originating_page['url'])) {
	443	+ $insert_data['originating_page_url'] = $this->pending_originating_page['url'];
	444	+ $insert_data['originating_page_title'] = $this->pending_originating_page['title'] ?? '';
	445	+
	446	+ //error_log("[DEBUG] Setting originating page from pending_originating_page: " . $this->pending_originating_page['url']);
	447	+
	448	+ // Clear after using
	449	+ unset($this->pending_originating_page);
	450	+ }
	451	+ // Fallback to HTTP_REFERER if nothing else is available
	452	+ else if (isset($_SERVER['HTTP_REFERER'])) {
	453	+ $referer_url = esc_url_raw($_SERVER['HTTP_REFERER']);
	454	+ $insert_data['originating_page_url'] = $referer_url;
	455	+
	456	+ // Generate title from URL
	457	+ $parsed_url = parse_url($referer_url);
	458	+ $path = isset($parsed_url['path']) ? trim($parsed_url['path'], '/') : '';
	459	+
	460	+ if (empty($path) || $path === 'index.php' || $path === 'index.html') {
	461	+ $insert_data['originating_page_title'] = 'Homepage';
	462	+ } else {
	463	+ $title = str_replace(['-', '_', '/', '.php', '.html'], ' ', $path);
	464	+ $insert_data['originating_page_title'] = ucwords(trim($title));
	465	+ }
	466	+
	467	+ //error_log("[DEBUG] Setting originating page from HTTP_REFERER: " . $referer_url);
	468	+ }
	469	+
	470	+ // Store for this session so all messages have the same originating page
	471	+ if (!empty($insert_data['originating_page_url'])) {
	472	+ update_option("mxchat_originating_page_{$session_id}", [
	473	+ 'url' => $insert_data['originating_page_url'],
	474	+ 'title' => $insert_data['originating_page_title']
	475	+ ], 'no');
	476	+ }
	477	+ } else {
	478	+ // For subsequent messages in the session, use the stored originating page
	479	+ $stored_originating = get_option("mxchat_originating_page_{$session_id}");
	480	+ if ($stored_originating && !empty($stored_originating['url'])) {
	481	+ $insert_data['originating_page_url'] = $stored_originating['url'];
	482	+ $insert_data['originating_page_title'] = $stored_originating['title'] ?? '';
	483	+ }
	484	+ }
	485	+ }
	486	+
374	487	$wpdb->insert($table_name, $insert_data);
375	488	//error_log("[DEBUG] mxchat_save_chat_message -> Inserted message into DB. row_id: {$wpdb->insert_id}, data: " . print_r($insert_data, true));
376		-
	489	+
	490	+ // 9) Send notification email if this is the first user message in a new session
	491	+ if ($wpdb->insert_id && $is_new_session && $role === 'user') {
	492	+ $this->send_new_chat_notification($session_id, array(
	493	+ 'identifier' => $user_identifier,
	494	+ 'email' => $saved_email ?: $user_email,
	495	+ 'ip' => $_SERVER['REMOTE_ADDR']
	496	+ ));
	497	+ }
	498	+
377	499	//error_log("[DEBUG] mxchat_save_chat_message -> END for session_id: {$session_id}");
378	500	return $message_id;
379	501	}
	502	+private function send_new_chat_notification($session_id, $user_info = array()) {
	503	+ $options = get_option('mxchat_transcripts_options');
	504	+
	505	+ // Check if notifications are enabled
	506	+ if (empty($options['mxchat_enable_notifications'])) {
	507	+ return false;
	508	+ }
	509	+
	510	+ // Get notification email
	511	+ $to = !empty($options['mxchat_notification_email']) ?
	512	+ $options['mxchat_notification_email'] :
	513	+ get_option('admin_email');
	514	+
	515	+ if (!is_email($to)) {
	516	+ return false;
	517	+ }
	518	+
	519	+ // Prepare email content
	520	+ $subject = sprintf('[%s] New Chat Session Started', get_bloginfo('name'));
	521	+
	522	+ $user_identifier = isset($user_info['identifier']) ? $user_info['identifier'] : 'Guest';
	523	+ $user_email = isset($user_info['email']) ? $user_info['email'] : 'Not provided';
	524	+ $user_ip = isset($user_info['ip']) ? $user_info['ip'] : $_SERVER['REMOTE_ADDR'];
	525	+
	526	+ $message = sprintf(
	527	+ "A new chat session has started on your website.\n\n" .
	528	+ "Session ID: %s\n" .
	529	+ "User: %s\n" .
	530	+ "Email: %s\n" .
	531	+ "IP Address: %s\n" .
	532	+ "Time: %s\n\n" .
	533	+ "View transcripts: %s",
	534	+ $session_id,
	535	+ $user_identifier,
	536	+ $user_email,
	537	+ $user_ip,
	538	+ current_time('mysql'),
	539	+ admin_url('admin.php?page=mxchat-transcripts')
	540	+ );
	541	+
	542	+ // Send email
	543	+ return wp_mail($to, $subject, $message);
	544	+}
380	545
381	546	public function mxchat_handle_save_email_and_response() {
382	547	//error_log('[DEBUG] ---------- mxchat_handle_save_email_and_response START ----------');
	548	+ //error_log('DEBUG: POST data: ' . print_r($_POST, true));
383	549
384	550	// Validate nonce
385	551	if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
386		- error_log(esc_html__('[ERROR] Invalid nonce in mxchat_handle_save_email_and_response', 'mxchat'));
	552	+ //error_log(esc_html__('[ERROR] Invalid nonce in mxchat_handle_save_email_and_response', 'mxchat'));
387	553	wp_send_json_error(['message' => esc_html__('Invalid nonce.', 'mxchat')]);
388	554	wp_die();
389	555	}
390	556
		@@ -389,10 +555,11 @@
389	555	}
390	556
391	557	$session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
392	558	$email = isset($_POST['email']) ? sanitize_email($_POST['email']) : '';
	559	+ $name = isset($_POST['name']) ? sanitize_text_field($_POST['name']) : '';
393	560
394		- //error_log("[DEBUG] handle_save_email_and_response -> session_id: {$session_id}, email: {$email}");
	561	+ //error_log("[DEBUG] handle_save_email_and_response -> session_id: {$session_id}, email: {$email}, name: {$name}");
395	562
396	563	if (empty($session_id) || empty($email)) {
397	564	//error_log("[ERROR] Missing session_id or email: session_id={$session_id}, email={$email}");
398	565	wp_send_json_error(['message' => esc_html__('Session ID or email is missing.', 'mxchat')]);
		@@ -398,13 +565,31 @@
398	565	wp_send_json_error(['message' => esc_html__('Session ID or email is missing.', 'mxchat')]);
399	566	wp_die();
400	567	}
401	568
402		- // 1) Always store in wp_options
403		- $option_key = "mxchat_email_{$session_id}";
404		- update_option($option_key, $email);
405		- //error_log("[DEBUG] handle_save_email_and_response -> updated option: {$option_key} => {$email}");
	569	+ // Validate name if provided (check if name field is enabled and name is required)
	570	+ $options = get_option('mxchat_options', []);
	571	+ $name_field_enabled = isset($options['enable_name_field']) &&
	572	+ ($options['enable_name_field'] === '1' || $options['enable_name_field'] === 'on');
	573	+
	574	+ if ($name_field_enabled && (empty($name) || strlen(trim($name)) < 2 || strlen(trim($name)) > 100)) {
	575	+ //error_log("[ERROR] Invalid name: {$name} (enabled: {$name_field_enabled})");
	576	+ wp_send_json_error(['message' => esc_html__('Name must be between 2 and 100 characters.', 'mxchat')]);
	577	+ wp_die();
	578	+ }
406	579
	580	+ // 1) Always store email in wp_options
	581	+ $email_option_key = "mxchat_email_{$session_id}";
	582	+ update_option($email_option_key, $email);
	583	+ //error_log("[DEBUG] handle_save_email_and_response -> updated option: {$email_option_key} => {$email}");
	584	+
	585	+ // Store name in wp_options if provided
	586	+ if (!empty($name)) {
	587	+ $name_option_key = "mxchat_name_{$session_id}";
	588	+ update_option($name_option_key, $name);
	589	+ //error_log("[DEBUG] handle_save_email_and_response -> updated option: {$name_option_key} => {$name}");
	590	+ }
	591	+
407	592	// 2) (Optional) Also store in DB if a row already exists
408	593	global $wpdb;
409	594	$table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
410	595
		@@ -414,21 +599,30 @@
414	599
415	600	//error_log("[DEBUG] handle_save_email_and_response -> session_count for {$session_id}: {$session_count} (SQL: {$sql})");
416	601
417	602	if ($session_count) {
418		- // Update user_email if row(s) exist
419		- $update_sql = $wpdb->prepare(
420		- "UPDATE {$table_name} SET user_email = %s WHERE session_id = %s",
421		- $email,
422		- $session_id
423		- );
	603	+ // Update both user_email and user_name if row(s) exist
	604	+ if (!empty($name)) {
	605	+ $update_sql = $wpdb->prepare(
	606	+ "UPDATE {$table_name} SET user_email = %s, user_name = %s WHERE session_id = %s",
	607	+ $email,
	608	+ $name,
	609	+ $session_id
	610	+ );
	611	+ } else {
	612	+ $update_sql = $wpdb->prepare(
	613	+ "UPDATE {$table_name} SET user_email = %s WHERE session_id = %s",
	614	+ $email,
	615	+ $session_id
	616	+ );
	617	+ }
424	618	$wpdb->query($update_sql);
425	619	//error_log("[DEBUG] handle_save_email_and_response -> DB updated: {$update_sql}");
426	620	} else {
427		- //error_log("[INFO] handle_save_email_and_response -> No DB entry for {$session_id}, so email is only in wp_options.");
	621	+ //error_log("[INFO] handle_save_email_and_response -> No DB entry for {$session_id}, so email/name is only in wp_options.");
428	622	}
429	623
430		- // Provide success response
	624	+ // Provide success response (same as original)
431	625	$bot_message = __('Thanks for providing your email! You can continue chatting now.', 'mxchat');
432	626	//error_log("[DEBUG] handle_save_email_and_response -> success, returning bot_message: {$bot_message}");
433	627	wp_send_json_success(['message' => $bot_message]);
434	628	wp_die();
		@@ -451,113 +645,93 @@
451	645	// Check if the user is logged in
452	646	if (is_user_logged_in()) {
453	647	$current_user = wp_get_current_user();
454	648	//error_log("[DEBUG] User is logged in as {$current_user->user_email}");
455		- wp_send_json_success(['logged_in' => true, 'email' => $current_user->user_email]);
	649	+
	650	+ // Get user's display name for logged in users
	651	+ $user_name = !empty($current_user->display_name) ? $current_user->display_name :
	652	+ (!empty($current_user->first_name) ? $current_user->first_name : '');
	653	+
	654	+ $response_data = ['logged_in' => true, 'email' => $current_user->user_email];
	655	+ if (!empty($user_name)) {
	656	+ $response_data['name'] = $user_name;
	657	+ }
	658	+
	659	+ wp_send_json_success($response_data);
456	660	}
457	661
458		- $option_key = "mxchat_email_{$session_id}";
459		- $stored_email = get_option($option_key, '');
	662	+ // Check if name field is required
	663	+ $options = get_option('mxchat_options', []);
	664	+ $name_field_enabled = isset($options['enable_name_field']) &&
	665	+ ($options['enable_name_field'] === '1' || $options['enable_name_field'] === 'on');
460	666
461		- //error_log("[DEBUG] mxchat_check_email_provided -> Checking option: {$option_key}, found: {$stored_email}");
	667	+ $email_option_key = "mxchat_email_{$session_id}";
	668	+ $stored_email = get_option($email_option_key, '');
	669	+
	670	+ // Check for stored name
	671	+ $name_option_key = "mxchat_name_{$session_id}";
	672	+ $stored_name = get_option($name_option_key, '');
462	673
463		- if (!empty($stored_email)) {
464		- //error_log("[DEBUG] mxchat_check_email_provided -> Email found, returning success");
465		- wp_send_json_success(['email' => $stored_email]);
466		- } else {
467		- //error_log("[DEBUG] mxchat_check_email_provided -> No email found, returning error");
468		- wp_send_json_error(['message' => esc_html__('No email found', 'mxchat')]);
469		- }
470		-}
	674	+ //error_log("[DEBUG] mxchat_check_email_provided -> Checking email option: {$email_option_key}, found: {$stored_email}");
	675	+ //error_log("[DEBUG] mxchat_check_email_provided -> Checking name option: {$name_option_key}, found: {$stored_name}, required: " . ($name_field_enabled ? 'yes' : 'no'));
471	676
472		-
473		-// First, add this helper function to get the highest rate limit for a user's roles
474		-private function get_user_role_rate_limit($user_id) {
475		- //error_log(esc_html__("Checking rate limit for user ID: ", 'mxchat') . $user_id);
476		-
477		- if (!$user_id) {
478		- //error_log(esc_html__("No user ID provided, using logged-out limit: ", 'mxchat') . ($this->options['rate_limit_logged_out'] ?? '10'));
479		- return $this->options['rate_limit_logged_out'] ?? '10';
	677	+ // Check if we have email and name (if name is required)
	678	+ $has_required_info = !empty($stored_email);
	679	+
	680	+ if ($name_field_enabled) {
	681	+ $has_required_info = $has_required_info && !empty($stored_name);
480	682	}
481	683
482		- $user = get_userdata($user_id);
483		- if (!$user || !$user->roles) {
484		- //error_log(esc_html__("No user data or roles found, using logged-out limit: ", 'mxchat') . ($this->options['rate_limit_logged_out'] ?? '10'));
485		- return $this->options['rate_limit_logged_out'] ?? '10';
486		- }
487		-
488		- //error_log(esc_html__("User roles: ", 'mxchat') . print_r($user->roles, true));
489		- //error_log(esc_html__("Available role rate limits: ", 'mxchat') . print_r($this->options['role_rate_limits'] ?? [], true));
490		-
491		- $max_limit = 0;
492		- foreach ($user->roles as $role) {
493		- //error_log(esc_html__("Checking limit for role: ", 'mxchat') . $role);
494		- if (isset($this->options['role_rate_limits'][$role])) {
495		- $role_limit = $this->options['role_rate_limits'][$role];
496		- //error_log(esc_html__("Found limit for role ", 'mxchat') . $role . esc_html__(": ", 'mxchat') . $role_limit);
497		-
498		- if ($role_limit === 'unlimited') {
499		- //error_log(esc_html__("Returning unlimited for role: ", 'mxchat') . $role);
500		- return 'unlimited';
501		- }
502		-
503		- $max_limit = max($max_limit, (int)$role_limit);
504		- //error_log(esc_html__("Current max limit: ", 'mxchat') . $max_limit);
505		- } else {
506		- //error_log(esc_html__("No limit found for role: ", 'mxchat') . $role);
	684	+ if ($has_required_info) {
	685	+ //error_log("[DEBUG] mxchat_check_email_provided -> Required info found, returning success");
	686	+
	687	+ $response_data = ['email' => $stored_email];
	688	+ if (!empty($stored_name)) {
	689	+ $response_data['name'] = $stored_name;
507	690	}
	691	+
	692	+ wp_send_json_success($response_data);
	693	+ } else {
	694	+ //error_log("[DEBUG] mxchat_check_email_provided -> Required info missing, returning error");
	695	+ wp_send_json_error(['message' => esc_html__('No email found', 'mxchat')]);
508	696	}
509		-
510		- $final_limit = $max_limit > 0 ? (string)$max_limit : '100';
511		- //error_log(esc_html__("Final rate limit: ", 'mxchat') . $final_limit);
512		- return $final_limit;
513	697	}
514	698
	699	+public function mxchat_handle_chat_request() {
	700	+ global $wpdb;
515	701
516		-// Add this to your plugin's main PHP file
517		-public function mxchat_check_new_messages() {
518		- if (!isset($_POST['session_id']) || !isset($_POST['last_seen_id'])) {
519		- wp_send_json_error(['message' => 'Missing required parameters']);
520		- wp_die();
521		- }
	702	+ // Debug: Log incoming bot_id
	703	+ $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
	704	+ error_log("=== MXCHAT DEBUG: Starting chat request ===");
	705	+ error_log("MXCHAT DEBUG: Bot ID received: " . $bot_id);
	706	+
	707	+ // Get bot-specific options
	708	+ $bot_options = $this->get_bot_options($bot_id);
	709	+ $current_options = !empty($bot_options) ? $bot_options : $this->options;
522	710
523		- $session_id = sanitize_text_field($_POST['session_id']);
524		- $last_seen_id = sanitize_text_field($_POST['last_seen_id']);
525		-
526		- // Get chat history
527		- $history = get_option("mxchat_history_{$session_id}", []);
528		-
529		- if (empty($history)) {
530		- wp_send_json_success([
531		- 'hasNewMessages' => false,
532		- 'new_messages' => []
533		- ]);
534		- wp_die();
	711	+ // Check if this is a streaming request
	712	+ $is_streaming = isset($_POST['action']) && $_POST['action'] === 'mxchat_stream_chat' &&
	713	+ isset($current_options['enable_streaming_toggle']) && $current_options['enable_streaming_toggle'] === 'on';
	714	+
	715	+ // Set streaming headers if needed
	716	+ if ($is_streaming) {
	717	+ // Disable output buffering
	718	+ while (ob_get_level()) {
	719	+ ob_end_flush(); // Changed from ob_end_clean()
	720	+ }
	721	+
	722	+ // Set headers for SSE
	723	+ header('Content-Type: text/event-stream');
	724	+ header('Cache-Control: no-cache');
	725	+ header('Connection: keep-alive');
	726	+ header('X-Accel-Buffering: no');
	727	+
	728	+ // Add these new lines:
	729	+ ob_implicit_flush(true);
	730	+ flush();
535	731	}
536	732
537		- // Filter new messages
538		- $new_messages = array_filter($history, function($message) use ($last_seen_id) {
539		- return isset($message['id']) && $message['id'] > $last_seen_id;
540		- });
541		-
542		- // Sort by ID to ensure proper order
543		- usort($new_messages, function($a, $b) {
544		- return $a['id'] <=> $b['id'];
545		- });
546		-
547		- wp_send_json_success([
548		- 'hasNewMessages' => !empty($new_messages),
549		- 'new_messages' => array_values($new_messages),
550		- 'latestMessageId' => end($new_messages)['id'] ?? $last_seen_id
551		- ]);
552		- wp_die();
553		-}
554		-
555		-public function mxchat_handle_chat_request() {
556		- global $wpdb;
557		-
558		-
559		- // Check if MX Chat Moderation is active
	733	+ // Check if MX Chat Moderation is active
560	734	if (class_exists('MX_Chat_Moderation')) {
561	735	// Get user email and IP
562	736	$user_email = '';
563	737	$user_ip = $_SERVER['REMOTE_ADDR'];
		@@ -591,14 +765,12 @@
591	765	wp_die();
592	766	}
593	767	}
594	768
595		-
596		- // Reset fallback response at the start of each request
597	769	$this->fallbackResponse = ['text' => '', 'html' => '', 'images' => []];
598	770	$this->productCardHtml = '';
599	771
600		- // Get the actual WordPress user ID if logged in
	772	+ // Get the actual WordPress user ID if logged in
601	773	$is_logged_in = is_user_logged_in();
602	774	if ($is_logged_in) {
603	775	$user_id = get_current_user_id(); // This will get the actual WordPress user ID
604	776	} else {
		@@ -608,65 +780,24 @@
608	780
609	781	// Get and sanitize the user identifier
610	782	$user_id = sanitize_key($user_id);
611	783
612		- // Determine if user is logged in
613		- $is_logged_in = is_user_logged_in();
614		- //error_log("User logged in status: " . ($is_logged_in ? 'true' : 'false'));
	784	+ // Check rate limit using new settings structure
	785	+ $rate_limit_result = $this->check_rate_limit();
615	786
616		- // Get rate limit based on user status
617		- // Get rate limit based on user status
618		- $rate_limit = $is_logged_in
619		- ? $this->get_user_role_rate_limit($user_id)
620		- : ($this->options['rate_limit_logged_out'] ?? '10');
621		-
622		- //error_log("Selected rate limit: " . $rate_limit);
623		-
624		- // Rest of your code remains the same
625		- // If rate limit is 'unlimited', skip rate limiting checks
626		- if ($rate_limit !== 'unlimited') {
627		- // Convert rate limit to integer
628		- $rate_limit = intval($rate_limit);
629		- // Setup rate limiting
630		- $rate_limit_transient_key = 'mxchat_chat_limit_' . $user_id;
631		- $chat_count = get_transient($rate_limit_transient_key);
632		- if ($chat_count === false) {
633		- // Initialize new counter if none exists
634		- $chat_count = 0;
635		- }
636		- // Check if user has exceeded their rate limit
637		- if ($chat_count >= $rate_limit) {
638		- // Get custom rate limit message or use default
639		- $rate_limit_message = isset($this->options['rate_limit_message'])
640		- ? $this->options['rate_limit_message']
641		- : esc_html__('Rate limit exceeded. Please try again later.', 'mxchat');
642		- // Replace placeholder if it exists in the message
643		- $rate_limit_message = str_replace(
644		- array('{limit}', '{count}', '{remaining}'),
645		- array($rate_limit, $chat_count, max(0, $rate_limit - $chat_count)),
646		- $rate_limit_message
647		- );
648		- wp_send_json([
649		- 'success' => false,
650		- 'message' => $rate_limit_message,
651		- 'status' => 'rate_limit_exceeded',
652		- 'limit' => $rate_limit,
653		- 'count' => $chat_count
654		- ]);
655		- wp_die();
656		- }
657		- // Increment the counter
658		- $chat_count++;
659		- // Store the updated count with 24-hour expiration
660		- set_transient($rate_limit_transient_key, $chat_count, DAY_IN_SECONDS);
	787	+ if ($rate_limit_result !== true) {
	788	+ wp_send_json([
	789	+ 'success' => false,
	790	+ 'message' => $rate_limit_result['message'],
	791	+ 'status' => 'rate_limit_exceeded'
	792	+ ]);
	793	+ wp_die();
661	794	}
662	795
663	796	// Rest of your existing code...
664	797	$session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
665		- //error_log("Session ID: $session_id");
666	798
667	799	if (empty($session_id)) {
668		- //error_log("Error: Session ID is missing.");
669	800	wp_send_json_error(esc_html__('Session ID is missing.', 'mxchat'));
670	801	wp_die();
671	802	}
672	803
		@@ -671,116 +802,296 @@
671	802	}
672	803
673	804	// Validate and sanitize the incoming message
674	805	if (empty($_POST['message'])) {
675		- //error_log("Error: No message received.");
676	806	wp_send_json_error(esc_html__('No message received.', 'mxchat'));
677	807	wp_die();
678	808	}
	809	+
	810	+
	811	+ // Track originating page for first message in session
	812	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
679	813
	814	+ // Check if originating page columns exist
	815	+ $columns_exist = $wpdb->get_var("SHOW COLUMNS FROM $table_name LIKE 'originating_page_url'");
680	816
681		-// Modify the message sanitization to preserve PHP tags in code blocks
682		-$allowed_tags = [
683		- 'pre' => [],
684		- 'code' => ['class' => true],
685		- 'span' => ['class' => true],
686		- 'div' => ['class' => true],
687		-];
	817	+ if ($columns_exist) {
	818	+ // Check if this session already has messages
	819	+ $message_count = $wpdb->get_var($wpdb->prepare(
	820	+ "SELECT COUNT(*) FROM $table_name WHERE session_id = %s",
	821	+ $session_id
	822	+ ));
	823	+
	824	+ // If this is the first message in the session
	825	+ if ($message_count == 0) {
	826	+ // Get originating page from JavaScript (preferred) or HTTP_REFERER (fallback)
	827	+ $originating_url = '';
	828	+ $originating_title = '';
	829	+
	830	+ // Try to get from POST data first (sent by JavaScript)
	831	+ if (isset($_POST['current_page_url'])) {
	832	+ $originating_url = esc_url_raw($_POST['current_page_url']);
	833	+ $originating_title = isset($_POST['current_page_title'])
	834	+ ? sanitize_text_field($_POST['current_page_title'])
	835	+ : '';
	836	+ }
	837	+ // Fallback to HTTP_REFERER if not provided by JavaScript
	838	+ else if (isset($_SERVER['HTTP_REFERER'])) {
	839	+ $originating_url = esc_url_raw($_SERVER['HTTP_REFERER']);
	840	+ }
	841	+
	842	+ // Generate title if we have URL but no title
	843	+ if ($originating_url && empty($originating_title)) {
	844	+ $parsed_url = parse_url($originating_url);
	845	+ $path = isset($parsed_url['path']) ? trim($parsed_url['path'], '/') : '';
	846	+
	847	+ if (empty($path) || $path === 'index.php' || $path === 'index.html') {
	848	+ $originating_title = 'Homepage';
	849	+ } else {
	850	+ // Clean up the path to make a readable title
	851	+ $originating_title = str_replace(['-', '_', '/', '.php', '.html'], ' ', $path);
	852	+ $originating_title = ucwords(trim($originating_title));
	853	+ }
	854	+ }
	855	+
	856	+ // Store for later use when saving the message
	857	+ $this->pending_originating_page = [
	858	+ 'url' => $originating_url,
	859	+ 'title' => $originating_title
	860	+ ];
	861	+ }
	862	+ }
	863	+
	864	+
688	865
689		-// First preserve code blocks
690		-$message = preg_replace_callback('/<pre><code.*?>.*?<\/code><\/pre>/s', function($matches) {
691		- return htmlspecialchars_decode($matches[0]);
692		-}, $_POST['message']);
	866	+ // Get page context if provided
	867	+ $page_context = null;
	868	+ if (isset($_POST['page_context']) && !empty($_POST['page_context'])) {
	869	+ $page_context_raw = stripslashes($_POST['page_context']);
	870	+ $page_context = json_decode($page_context_raw, true);
	871	+
	872	+ // Validate page context structure
	873	+ if (is_array($page_context) &&
	874	+ isset($page_context['url']) &&
	875	+ isset($page_context['title']) &&
	876	+ isset($page_context['content'])) {
	877	+
	878	+ // Sanitize page context
	879	+ $page_context['url'] = esc_url_raw($page_context['url']);
	880	+ $page_context['title'] = sanitize_text_field($page_context['title']);
	881	+ $page_context['content'] = wp_kses_post($page_context['content']);
	882	+ } else {
	883	+ $page_context = null;
	884	+ }
	885	+ }
693	886
694		-// Then apply sanitization
695		-$message = wp_kses($message, $allowed_tags);
	887	+ // Modify the message sanitization to preserve PHP tags in code blocks
	888	+ $allowed_tags = [
	889	+ 'pre' => [],
	890	+ 'code' => ['class' => true],
	891	+ 'span' => ['class' => true],
	892	+ 'div' => ['class' => true],
	893	+ ];
696	894
697		-// Decode code blocks
698		-$message = preg_replace_callback('/(&lt;pre&gt;&lt;code.*?&gt;.*?&lt;\/code&gt;&lt;\/pre&gt;)/s', function($matches) {
699		- return htmlspecialchars_decode($matches[1]);
700		-}, $message);
	895	+ // First preserve code blocks
	896	+ $message = preg_replace_callback('/<pre><code.*?>.*?<\/code><\/pre>/s', function($matches) {
	897	+ return htmlspecialchars_decode($matches[0]);
	898	+ }, $_POST['message']);
701	899
702		-$message = trim($message);
	900	+ // Then apply sanitization
	901	+ $message = wp_kses($message, $allowed_tags);
703	902
704		-// Preserve code blocks from markdown conversion
705		-$message = preg_replace('/```(\w+)?\s*([\s\S]+?)```/s', '<pre><code class="$1">$2</code></pre>', $message);
	903	+ // Preserve code blocks from markdown conversion
	904	+ $message = preg_replace('/```(\w+)?\s*([\s\S]+?)```/s', '<pre><code class="$1">$2</code></pre>', $message);
	905	+ $message = apply_filters('mxchat_filter_message', $message, 'prompt', $session_id);
706	906
707		- // Save the user's message
708		- $this->mxchat_save_chat_message($session_id, 'user', $message);
	907	+ // ===== SIMPLIFIED TESTING PANEL INITIALIZATION =====
	908	+ // Always initialize testing data for admins (no toggle needed)
	909	+ $testing_data = null;
	910	+ if (current_user_can('administrator')) {
	911	+ // For vision messages, use the original user message for the query display
	912	+ $query_for_testing = $message;
	913	+ if (isset($_POST['vision_processed']) && $_POST['vision_processed'] && isset($_POST['original_user_message'])) {
	914	+ $query_for_testing = sanitize_textarea_field($_POST['original_user_message']);
	915	+ }
	916	+
	917	+ $testing_data = [
	918	+ 'query' => $query_for_testing,
	919	+ 'timestamp' => time(),
	920	+ 'top_matches' => [],
	921	+ 'action_matches' => [], // Initialize action matches array
	922	+ 'page_context' => $page_context, // Include page context in testing data
	923	+ 'is_vision' => isset($_POST['vision_processed']) && $_POST['vision_processed'],
	924	+ 'bot_id' => $bot_id // Include bot ID in testing data
	925	+ ];
	926	+
	927	+ // Get similarity threshold from bot options or default options
	928	+ $similarity_threshold = isset($current_options['similarity_threshold'])
	929	+ ? ((int) $current_options['similarity_threshold']) / 100
	930	+ : 0.35;
	931	+
	932	+ $testing_data['similarity_threshold'] = $similarity_threshold;
	933	+
	934	+ // Determine knowledge base type using bot-specific config
	935	+ $bot_pinecone_config = $this->get_bot_pinecone_config($bot_id);
	936	+ $use_pinecone = isset($bot_pinecone_config['use_pinecone']) ? $bot_pinecone_config['use_pinecone'] : false;
	937	+ $testing_data['knowledge_base_type'] = $use_pinecone ? 'Pinecone' : 'WordPress Database';
	938	+ }
	939	+ // ===== END SIMPLIFIED TESTING INITIALIZATION =====
709	940
710		- // Check if the message is an email address
711		- if (is_email($message)) {
712		- // Add the email to Loops
713		- $this->add_email_to_loops($message);
	941	+ // Add debug before and after:
	942	+ //error_log('MxChat Core: About to call mxchat_pre_process_message filter with message: ' . $message);
	943	+ $pre_processed_result = apply_filters('mxchat_pre_process_message', $message, $user_id, $session_id);
	944	+ //error_log('MxChat Core: Filter returned: ' . (is_array($pre_processed_result) ? 'array' : $pre_processed_result));
714	945
715		- // Send success response
716		- $response_message = $this->options['email_capture_response'] ??
717		- esc_html__('Thank you! Your coupon is on the way!', 'mxchat');
718	946
719		- wp_send_json([
720		- 'success' => true,
721		- 'status' => 'email_captured',
722		- 'message' => $response_message
723		- ]);
724		- wp_die();
725		- }
	947	+ // If the pre-processing returned a result (not the original message), use it directly
	948	+ if (is_array($pre_processed_result) && isset($pre_processed_result['text'])) {
	949	+ // Save the AI response
	950	+ $this->mxchat_save_chat_message($session_id, 'bot', $pre_processed_result['text']);
	951	+
	952	+ // Save HTML content if provided
	953	+ if (!empty($pre_processed_result['html'])) {
	954	+ $this->mxchat_save_chat_message($session_id, 'bot', $pre_processed_result['html']);
	955	+ }
	956	+
	957	+ // Add testing data if admin
	958	+ $response_data = [
	959	+ 'text' => $pre_processed_result['text'],
	960	+ 'html' => $pre_processed_result['html'] ?? '',
	961	+ 'session_id' => $session_id
	962	+ ];
	963	+
	964	+ if ($testing_data !== null) {
	965	+ $response_data['testing_data'] = $testing_data;
	966	+ }
	967	+
	968	+ wp_send_json($response_data);
	969	+ wp_die();
	970	+ }
726	971
727		- $intent_info = '';
	972	+ // Save the user's message - handle vision processed messages differently
	973	+ if (isset($_POST['vision_processed']) && $_POST['vision_processed'] && isset($_POST['original_user_message'])) {
	974	+ // For vision messages, save the original user message with image indicator
	975	+ $original_message = sanitize_textarea_field($_POST['original_user_message']);
	976	+ if (isset($_POST['vision_images_count']) && $_POST['vision_images_count'] > 0) {
	977	+ $image_count = intval($_POST['vision_images_count']);
	978	+ $original_message .= " [{$image_count} image(s)]";
	979	+ }
	980	+ $this->mxchat_save_chat_message($session_id, 'user', $original_message);
	981	+ } else {
	982	+ // Regular message - save as normal
	983	+ $this->mxchat_save_chat_message($session_id, 'user', $message);
	984	+ }
728	985
729		- // Check chat mode
730		- $chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
731		- //error_log("Chat Mode: $chat_mode");
	986	+
	987	+ if (is_email($message)) {
	988	+ // Add the email to Loops
	989	+ $this->add_email_to_loops($message);
	990	+
	991	+ // Get the user's success message instruction using current_options
	992	+ $user_success_message = $current_options['email_capture_response'] ?? __('Thank you for providing your email! You\'ve been added to our list.', 'mxchat');
	993	+
	994	+ // Set instruction for AI using the user's success message
	995	+ $this->current_action_instruction = $user_success_message;
	996	+
	997	+ // Clear the email capture transient since we got the email
	998	+ delete_transient('mxchat_email_capture_' . $user_id);
	999	+ }
	1000	+
	1001	+ // Check if we're in an email capture flow but user hasn't provided email yet
	1002	+ elseif (get_transient('mxchat_email_capture_' . $user_id)) {
	1003	+ // Check if the message contains an email (not the whole message being an email)
	1004	+ if (preg_match('/\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b/', $message, $matches)) {
	1005	+ $extracted_email = $matches[0];
	1006	+
	1007	+ // Add the extracted email to Loops
	1008	+ $this->add_email_to_loops($extracted_email);
	1009	+
	1010	+ // Get the user's success message instruction using current_options
	1011	+ $user_success_message = $current_options['email_capture_response'] ?? __('Thank you for providing your email! You\'ve been added to our list.', 'mxchat');
	1012	+
	1013	+ // Set instruction for AI using the user's success message
	1014	+ $this->current_action_instruction = $user_success_message;
	1015	+
	1016	+ // Clear the email capture transient since we got the email
	1017	+ delete_transient('mxchat_email_capture_' . $user_id);
	1018	+ }
	1019	+ // If no email found but we're in capture mode, remind them
	1020	+ else {
	1021	+ // Get the original instruction to remind them using current_options
	1022	+ $original_instruction = $current_options['triggered_phrase_response'] ?? __("Please provide your email address.", 'mxchat');
	1023	+ $this->current_action_instruction = $original_instruction;
	1024	+ }
	1025	+ }
732	1026
733		- // Handle agent mode
734		- if ($chat_mode === 'agent') {
735		- // First, check for switch intent before doing anything else
736		- $intent_matched = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
	1027	+ $intent_info = '';
737	1028
738		- // If we matched an intent and it's the switch intent, handle it
739		- if ($intent_matched && !empty($this->fallbackResponse['text'])) {
740		- //error_log("Switch to chatbot intent detected");
	1029	+ // Check chat mode
	1030	+ $chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
741	1031
742		- // Update chat mode first
743		- update_option("mxchat_mode_{$session_id}", 'ai');
	1032	+ // Handle agent mode
	1033	+ // Handle agent mode
	1034	+ if ($chat_mode === 'agent') {
	1035	+ // First, check for switch intent before doing anything else
	1036	+ $intent_matched = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
744	1037
745		- // Clear any existing PDF context to start fresh
746		- $this->clear_pdf_transients($session_id);
	1038	+ // Capture action analysis for testing panel after intent check
	1039	+ if ($testing_data !== null && isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	1040	+ $testing_data['action_matches'] = $this->last_action_analysis;
	1041	+ }
	1042	+
	1043	+ // Around line 506, in the agent mode handling section:
	1044	+ if ($intent_matched && !empty($this->fallbackResponse['text'])) {
	1045	+ // Update chat mode first
	1046	+ update_option("mxchat_mode_{$session_id}", 'ai');
	1047	+
	1048	+ // Clear any existing PDF context to start fresh
	1049	+ $this->clear_pdf_transients($session_id);
	1050	+
	1051	+ // Prepare clean switch response with explicit chat_mode
	1052	+ $response_data = [
	1053	+ 'text' => $this->fallbackResponse['text'],
	1054	+ 'html' => $this->fallbackResponse['html'] ?? '',
	1055	+ 'session_id' => $session_id,
	1056	+ 'chat_mode' => 'ai' // EXPLICITLY SET THIS
	1057	+ ];
	1058	+
	1059	+ if ($testing_data !== null) {
	1060	+ $response_data['testing_data'] = $testing_data;
	1061	+ }
	1062	+
	1063	+ // Save the mode switch message
	1064	+ $this->mxchat_save_chat_message($session_id, 'system', esc_html__('Switched to AI chat mode', 'mxchat'));
	1065	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']);
	1066	+
	1067	+ // Send response and exit
	1068	+ wp_send_json($response_data);
	1069	+ wp_die();
	1070	+ } elseif (!$intent_matched) {
	1071	+ // No intent matched, handle live agent message
	1072	+ try {
	1073	+ $this->mxchat_send_user_message_to_agent($message, $user_id, $session_id);
747	1074
748		- // Prepare clean switch response
749		- $response_data = [
750		- 'text' => $this->fallbackResponse['text'],
751		- 'html' => '',
752		- 'session_id' => $session_id,
753		- 'chat_mode' => 'ai'
754		- ];
	1075	+ $agent_response = [
	1076	+ 'status' => 'waiting_for_agent',
	1077	+ 'message' => esc_html__('Message sent to live agent.', 'mxchat')
	1078	+ ];
	1079	+
	1080	+ if ($testing_data !== null) {
	1081	+ $agent_response['testing_data'] = $testing_data;
	1082	+ }
755	1083
756		- // Save the mode switch message
757		- $this->mxchat_save_chat_message($session_id, 'system', esc_html__('Switched to AI chat mode', 'mxchat'));
758		- $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']);
759		-
760		- // Send response and exit
761		- wp_send_json($response_data);
762		- wp_die();
763		- } elseif (!$intent_matched) {
764		- // No intent matched, handle live agent message
765		- try {
766		- $this->mxchat_send_user_message_to_agent($message, $user_id, $session_id);
767		- //error_log("Message sent to agent.");
768		-
769		- wp_send_json_success([
770		- 'status' => 'waiting_for_agent',
771		- 'message' => esc_html__('Message sent to live agent.', 'mxchat')
772		- ]);
773		- } catch (\Exception $e) {
774		- //error_log("Error sending message to agent: " . $e->getMessage());
775		- wp_send_json_error(esc_html__('Failed to send message to agent', 'mxchat'));
	1084	+ wp_send_json_success($agent_response);
	1085	+ } catch (\Exception $e) {
	1086	+ wp_send_json_error(esc_html__('Failed to send message to agent', 'mxchat'));
	1087	+ }
	1088	+ wp_die();
776	1089	}
777		- wp_die();
778	1090	}
779		- }
780	1091
781	1092	// Step 1: Check for new PDF URL in the message
782		- if (preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) {
	1093	+ if (!isset($_POST['vision_processed']) && preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) {
783	1094	$new_pdf_url = $matches[0];
784	1095
785	1096	// Check if this is likely a PDF-related request
786	1097	$pdf_keywords = ['pdf', 'document', 'read', 'analyze'];
		@@ -802,15 +1113,15 @@
802	1113
803	1114	// Clear previous PDF transients
804	1115	$this->clear_pdf_transients($session_id);
805	1116
806		- // Process new PDF
807		- $max_pages = $this->options['pdf_max_pages'] ?? 69;
	1117	+ // Process new PDF using current_options
	1118	+ $max_pages = $current_options['pdf_max_pages'] ?? 69;
808	1119	$embeddings = $this->fetch_and_split_pdf_pages($new_pdf_url, $max_pages);
809	1120
810	1121	if ($embeddings === 'too_many_pages') {
811	1122	$error_text = sprintf(
812		- $this->options['pdf_intent_error_text'] ??
	1123	+ $current_options['pdf_intent_error_text'] ??
813	1124	esc_html__("The provided PDF exceeds the maximum allowed limit of %d pages. Please provide a smaller document.", 'mxchat'),
814	1125	$max_pages
815	1126	);
816	1127	$this->fallbackResponse['text'] = $error_text;
		@@ -815,15 +1126,13 @@
815	1126	);
816	1127	$this->fallbackResponse['text'] = $error_text;
817	1128	} elseif ($embeddings) {
818	1129	// Store new PDF information
819		- // Create a more meaningful filename from URL
820	1130	$pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH));
821	1131
822		- // If the filename is generic (like results_download.php), create a more descriptive one
	1132	+ // If the filename is generic, create a more descriptive one
823	1133	if (in_array($pdf_filename, ['results_download.php', 'download.php', 'view.php', 'pdf.php']) ||
824	1134	strpos($pdf_filename, '.php') !== false) {
825		- // Create a timestamp-based name
826	1135	$pdf_filename = 'Document_' . date('Y-m-d_H-i') . '.pdf';
827	1136	}
828	1137
829	1138	set_transient('mxchat_pdf_url_' . $session_id, $new_pdf_url, HOUR_IN_SECONDS);
		@@ -830,77 +1139,224 @@
830	1139	set_transient('mxchat_pdf_filename_' . $session_id, $pdf_filename, HOUR_IN_SECONDS);
831	1140	set_transient('mxchat_pdf_embeddings_' . $session_id, $embeddings, HOUR_IN_SECONDS);
832	1141	set_transient('mxchat_include_pdf_in_context_' . $session_id, true, HOUR_IN_SECONDS);
833	1142
834		- $success_text = $this->options['pdf_intent_success_text'] ??
	1143	+ $success_text = $current_options['pdf_intent_success_text'] ??
835	1144	esc_html__("I've processed the new PDF '{$pdf_filename}'. What questions do you have about it?", 'mxchat');
836	1145
837		- // Return success with filename for UI update
838		- wp_send_json([
	1146	+ $pdf_response = [
839	1147	'success' => true,
840	1148	'message' => $success_text,
841	1149	'data' => [
842	1150	'filename' => $pdf_filename
843	1151	]
844		- ]);
	1152	+ ];
	1153	+
	1154	+ if ($testing_data !== null) {
	1155	+ $pdf_response['testing_data'] = $testing_data;
	1156	+ }
	1157	+
	1158	+ wp_send_json($pdf_response);
845	1159	wp_die();
846	1160	} else {
847		- $error_text = $this->options['pdf_intent_error_text'] ??
	1161	+ $error_text = $current_options['pdf_intent_error_text'] ??
848	1162	esc_html__("Sorry, I couldn't process the PDF. Please ensure it's a valid file.", 'mxchat');
849	1163	$this->fallbackResponse['text'] = $error_text;
850	1164	}
851	1165
852		- wp_send_json([
	1166	+ $pdf_error_response = [
853	1167	'success' => false,
854	1168	'message' => $this->fallbackResponse['text']
855		- ]);
	1169	+ ];
	1170	+
	1171	+ if ($testing_data !== null) {
	1172	+ $pdf_error_response['testing_data'] = $testing_data;
	1173	+ }
	1174	+
	1175	+ wp_send_json($pdf_error_response);
856	1176	wp_die();
857	1177	}
858	1178	}
859	1179	}
860	1180
861		- // Step 2: Detect intent and handle intent-based responses
862		- $intent_matched = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
863		- //error_log("Intent Matched: " . ($intent_matched ? "Yes" : "No"));
	1181	+ // Check if there's an active recommendation flow session
	1182	+ $flow_state = get_option("mxchat_sr_flow_state_{$session_id}", array());
	1183	+ if (!empty($flow_state) && isset($flow_state['flow_id'])) {
	1184	+ // Create a dummy intent object that matches the original intent
	1185	+ $dummy_intent = new stdClass();
	1186	+ $dummy_intent->intent_label = 'Recommendation Flow ' . $flow_state['flow_id'];
	1187	+ $dummy_intent->phrases = ''; // Empty phrases to avoid matching the original trigger
	1188	+
	1189	+ // Call the recommendation flow handler directly
	1190	+ $response_data = apply_filters('mxchat_sr_recommendation_flow', false, $message, $user_id, $session_id, $dummy_intent);
	1191	+
	1192	+ // If the handler returned a response, send it
	1193	+ if (is_array($response_data) && (isset($response_data['text']) || isset($response_data['html']))) {
	1194	+ // Save the bot's response to the chat history
	1195	+ if (!empty($response_data['text'])) {
	1196	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_data['text']);
	1197	+ }
	1198	+ if (!empty($response_data['html'])) {
	1199	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_data['html']);
	1200	+ }
	1201	+
	1202	+ if ($testing_data !== null) {
	1203	+ $response_data['testing_data'] = $testing_data;
	1204	+ }
	1205	+
	1206	+ // Send the response
	1207	+ wp_send_json($response_data);
	1208	+ wp_die();
	1209	+ }
	1210	+ }
864	1211
865		- // Step 3: If intent is matched and handled, respond immediately
866		- if ($intent_matched && (!empty($this->fallbackResponse['text']) || !empty($this->fallbackResponse['html']))) {
867		- //error_log("Intent response triggered.");
868		- $response_data = [
869		- 'text' => $this->fallbackResponse['text'],
870		- 'html' => $this->fallbackResponse['html'],
871		- 'session_id' => $session_id
872		- ];
873		- $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text'] . $this->fallbackResponse['html']);
874		- wp_send_json($response_data);
875		- wp_die();
876		- }
	1212	+ // Step 2: Detect intent and handle intent-based responses
	1213	+ $intent_result = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
877	1214
878		- // If no intent matched or product not found, proceed with AI response
879		- //error_log("No matching intent or fallback. Generating AI response.");
	1215	+ // Capture action analysis for testing panel after intent check
	1216	+ if ($testing_data !== null && isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	1217	+ $testing_data['action_matches'] = $this->last_action_analysis;
	1218	+ }
880	1219
881		- // Step 4: Generate AI response
882		- $conversation_history = $this->mxchat_fetch_conversation_history_for_ai($session_id);
883		- $this->mxchat_increment_chat_count();
	1220	+ // Step 3: Handle the intent result appropriately
	1221	+ if ($intent_result !== false) {
	1222	+ // Intent was matched - ALWAYS send as JSON response, never streaming
	1223	+
	1224	+ if (is_array($intent_result) && (isset($intent_result['text']) || isset($intent_result['html']))) {
	1225	+ // Intent returned a direct response array
	1226	+ $response_data = [
	1227	+ 'text' => $intent_result['text'] ?? '',
	1228	+ 'html' => $intent_result['html'] ?? '',
	1229	+ 'session_id' => $session_id
	1230	+ ];
	1231	+
	1232	+ if ($testing_data !== null) {
	1233	+ $response_data['testing_data'] = $testing_data;
	1234	+ }
	1235	+
	1236	+ // Clear streaming headers if they were set
	1237	+ if ($is_streaming) {
	1238	+ header_remove('Content-Type');
	1239	+ header_remove('Cache-Control');
	1240	+ header_remove('Connection');
	1241	+ header_remove('X-Accel-Buffering');
	1242	+ header('Content-Type: application/json');
	1243	+ }
	1244	+
	1245	+ wp_send_json($response_data);
	1246	+ wp_die();
	1247	+ } else if ($intent_result === true && (!empty($this->fallbackResponse['text']) || !empty($this->fallbackResponse['html']))) {
	1248	+ // Intent returned true and set fallbackResponse
	1249	+
	1250	+ // SAVE TO TRANSCRIPT FIRST
	1251	+ if (!empty($this->fallbackResponse['text'])) {
	1252	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']);
	1253	+ }
	1254	+ if (!empty($this->fallbackResponse['html'])) {
	1255	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['html']);
	1256	+ }
	1257	+
	1258	+ $response_data = [
	1259	+ 'text' => $this->fallbackResponse['text'] ?? '',
	1260	+ 'html' => $this->fallbackResponse['html'] ?? '',
	1261	+ 'session_id' => $session_id
	1262	+ ];
	1263	+
	1264	+ if (isset($this->fallbackResponse['chat_mode'])) {
	1265	+ $response_data['chat_mode'] = $this->fallbackResponse['chat_mode'];
	1266	+ }
	1267	+
	1268	+ if ($testing_data !== null) {
	1269	+ $response_data['testing_data'] = $testing_data;
	1270	+ }
	1271	+
	1272	+ // Clear streaming headers if they were set
	1273	+ if ($is_streaming) {
	1274	+ header_remove('Content-Type');
	1275	+ header_remove('Cache-Control');
	1276	+ header_remove('Connection');
	1277	+ header_remove('X-Accel-Buffering');
	1278	+ header('Content-Type: application/json');
	1279	+ }
	1280	+
	1281	+ wp_send_json($response_data);
	1282	+ wp_die();
	1283	+ }
	1284	+ }
884	1285
885		- // Generate embedding for the user's query
886		- $user_message_embedding = $this->mxchat_generate_embedding($message, $this->options['api_key']);
887		- if (!is_array($user_message_embedding)) {
888		- //error_log("Failed to generate message embedding for session $session_id");
889		- wp_send_json_error(esc_html__('Error processing your message.', 'mxchat'));
890		- wp_die();
891		- }
	1286	+ // If we get here, no intent matched OR the intent didn't provide a usable response
	1287	+
	1288	+ // Step 4: Generate AI response
	1289	+ $conversation_history = $this->mxchat_fetch_conversation_history_for_ai($session_id);
	1290	+ $this->mxchat_increment_chat_count();
	1291	+
	1292	+ // Generate embedding for the user's query - USE BOT-SPECIFIC API KEY
	1293	+ $api_key = $current_options['api_key'] ?? $this->options['api_key'];
	1294	+ $user_message_embedding = $this->mxchat_generate_embedding($message, $api_key);
	1295	+
	1296	+ // Check if the embedding generation returned an error
	1297	+ if (is_array($user_message_embedding) && isset($user_message_embedding['error'])) {
	1298	+ $error_message = $user_message_embedding['error'];
	1299	+ $error_code = $user_message_embedding['error_code'] ?? 'embedding_error';
	1300	+
	1301	+ wp_send_json_error([
	1302	+ 'error_message' => $error_message,
	1303	+ 'error_code' => $error_code
	1304	+ ]);
	1305	+ wp_die();
	1306	+ }
	1307	+
	1308	+ // Check if the embedding is valid
	1309	+ if (!is_array($user_message_embedding) || empty($user_message_embedding)) {
	1310	+ wp_send_json_error([
	1311	+ 'error_message' => esc_html__('Unable to process your message. The embedding service is not responding correctly.', 'mxchat'),
	1312	+ 'error_code' => 'invalid_embedding'
	1313	+ ]);
	1314	+ wp_die();
	1315	+ }
892	1316
893		- // Build context with both knowledge base and PDF content if available
894		- $context_content = "User asked: '{$message}'\n\n";
	1317	+ // Build context with both knowledge base and PDF content if available
	1318	+ $context_content = "User asked: '{$message}'\n\n";
	1319	+
	1320	+ // Add action instruction if present (add this right after the above line)
	1321	+ if (!empty($this->current_action_instruction)) {
	1322	+ $context_content .= "===== SPECIAL INSTRUCTION =====\n";
	1323	+ $context_content .= "IMPORTANT: " . $this->current_action_instruction . "\n";
	1324	+ $context_content .= "Respond naturally and conversationally while following this instruction.\n";
	1325	+ $context_content .= "===== END SPECIAL INSTRUCTION =====\n\n";
	1326	+
	1327	+ // Clear the instruction after using it
	1328	+ $this->current_action_instruction = null;
	1329	+ }
895	1330
896		- // Get relevant content from knowledge base
897		- $relevant_content = $this->mxchat_find_relevant_content($user_message_embedding);
898		- if (!empty($relevant_content)) {
899		- $context_content .= "Relevant content from knowledge database:\n" . $relevant_content . "\n\n";
900		- }
901	1331
	1332	+ // Add page context if available and contextual awareness is enabled using current_options
	1333	+ if ($page_context && isset($current_options['contextual_awareness_toggle']) && $current_options['contextual_awareness_toggle'] === 'on') {
	1334	+ $context_content .= "===== CURRENT PAGE CONTEXT =====\n";
	1335	+ $context_content .= "Page URL: " . $page_context['url'] . "\n";
	1336	+ $context_content .= "Page Title: " . $page_context['title'] . "\n";
	1337	+ $context_content .= "Page Content: " . $page_context['content'] . "\n";
	1338	+ $context_content .= "===== END CURRENT PAGE CONTEXT =====\n\n";
	1339	+ }
902	1340
	1341	+ // Get relevant content from knowledge base - PASS BOT_ID
	1342	+ $relevant_content = $this->mxchat_find_relevant_content($user_message_embedding, $bot_id);
	1343	+
	1344	+ // ===== CAPTURE REAL SIMILARITY DATA FOR ADMINS =====
	1345	+ if ($testing_data !== null && $this->last_similarity_analysis !== null) {
	1346	+ // Update testing data with the REAL similarity analysis
	1347	+ $testing_data['top_matches'] = $this->last_similarity_analysis['top_matches'];
	1348	+ $testing_data['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0;
	1349	+ $testing_data['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'];
	1350	+ }
	1351	+ // ===== END SIMILARITY DATA CAPTURE =====
	1352	+
	1353	+ if (!empty($relevant_content)) {
	1354	+ $context_content .= "===== OFFICIAL KNOWLEDGE DATABASE CONTENT =====\n" . $relevant_content . "\n===== END OF OFFICIAL KNOWLEDGE DATABASE CONTENT =====\n\n";
	1355	+ } else {
	1356	+ $context_content .= "===== NO RELEVANT CONTENT FOUND IN KNOWLEDGE DATABASE =====\n";
	1357	+ }
	1358	+
903	1359	// Check for and include PDF content
904	1360	$pdf_url = get_transient('mxchat_pdf_url_' . $session_id);
905	1361	$pdf_embeddings = get_transient('mxchat_pdf_embeddings_' . $session_id);
906	1362	$pdf_filename = get_transient('mxchat_pdf_filename_' . $session_id);
		@@ -928,87 +1384,185 @@
928	1384	}
929	1385	$context_content .= "\n";
930	1386	}
931	1387	}
932		- // Generate the response using the full context
933		- $response = $this->mxchat_generate_response(
934		- $context_content,
935		- $this->options['api_key'],
936		- $this->options['xai_api_key'],
937		- $this->options['claude_api_key'],
938		- $this->options['deepseek_api_key'],
939		- $conversation_history
940		- );
	1388	+
	1389	+ $context_content = apply_filters('mxchat_prepare_context', $context_content, $session_id);
941	1390
942		- $this->mxchat_save_chat_message($session_id, 'bot', $response);
	1391	+ // Extract model from current options for bot-specific model support
	1392	+ $selected_model = isset($current_options['model']) ? $current_options['model'] : 'gpt-4o';
	1393	+
	1394	+ $response = $this->mxchat_generate_response(
	1395	+ $context_content,
	1396	+ $current_options['api_key'] ?? $this->options['api_key'],
	1397	+ $current_options['xai_api_key'] ?? $this->options['xai_api_key'],
	1398	+ $current_options['claude_api_key'] ?? $this->options['claude_api_key'],
	1399	+ $current_options['deepseek_api_key'] ?? $this->options['deepseek_api_key'],
	1400	+ $current_options['gemini_api_key'] ?? $this->options['gemini_api_key'],
	1401	+ $conversation_history,
	1402	+ $is_streaming,
	1403	+ $session_id,
	1404	+ $testing_data,
	1405	+ $selected_model // ADD THIS LINE
	1406	+ );
	1407	+
	1408	+ // Handle streaming vs non-streaming responses
	1409	+ if ($is_streaming) {
	1410	+ // Check if streaming actually happened or if it fell back to regular response
	1411	+ if ($response === true) {
	1412	+ wp_die();
	1413	+ }
	1414	+ // If we get here, streaming fell back to regular response, continue
	1415	+ }
	1416	+
	1417	+ // Check if the response is an error array
	1418	+ if (is_array($response) && isset($response['error'])) {
	1419	+ wp_send_json_error([
	1420	+ 'error_message' => $response['error'],
	1421	+ 'error_code' => $response['error_code'] ?? 'api_error'
	1422	+ ]);
	1423	+ wp_die();
	1424	+ }
	1425	+
	1426	+ // If we get here, the response is valid text
	1427	+ $this->mxchat_save_chat_message($session_id, 'bot', $response);
943	1428
944		- // Step 5: Save additional content if available
945		- if (!empty($this->productCardHtml)) {
946		- $this->mxchat_save_chat_message($session_id, 'bot', $this->productCardHtml);
947		- }
	1429	+ // Step 5: Save additional content if available
	1430	+ if (!empty($this->productCardHtml)) {
	1431	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->productCardHtml);
	1432	+ }
948	1433
949		- if (!empty($this->fallbackResponse['html'])) {
950		- $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['html']);
951		- }
	1434	+ if (!empty($this->fallbackResponse['html'])) {
	1435	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['html']);
	1436	+ }
952	1437
953		- // Step 6: Return the response
954		- $response_data = [
955		- 'text' => $response,
956		- 'html' => !empty($this->productCardHtml) ? $this->productCardHtml : ($this->fallbackResponse['html'] ?? ''),
957		- 'session_id' => $session_id
958		- ];
	1438	+ // Step 6: Return the response
	1439	+ $response_data = [
	1440	+ 'text' => $response,
	1441	+ 'html' => !empty($this->productCardHtml) ? $this->productCardHtml : ($this->fallbackResponse['html'] ?? ''),
	1442	+ 'session_id' => $session_id
	1443	+ ];
959	1444
960		- wp_send_json($response_data);
961		- wp_die();
	1445	+ // Always add testing data for admins (no toggle needed)
	1446	+ if ($testing_data !== null) {
	1447	+ $response_data['testing_data'] = $testing_data;
	1448	+ }
	1449	+
	1450	+ wp_send_json($response_data);
	1451	+ wp_die();
962	1452	}
963	1453
964	1454
965		-// Helper function to clear PDF and Word document related transients
966		-private function clear_pdf_transients($session_id) {
967		- // PDF transients
968		- delete_transient('mxchat_pdf_url_' . $session_id);
969		- delete_transient('mxchat_pdf_embeddings_' . $session_id);
970		- delete_transient('mxchat_include_pdf_in_context_' . $session_id);
971		- delete_transient('mxchat_waiting_for_pdf_url_' . $session_id);
	1455	+/**
	1456	+ * Get bot-specific options for multi-bot functionality
	1457	+ * Falls back to default options if bot_id is 'default' or multi-bot add-on is not active
	1458	+ */
	1459	+// Also debug the bot options retrieval
	1460	+private function get_bot_options($bot_id = 'default') {
	1461	+ error_log("MXCHAT DEBUG: get_bot_options called for bot: " . $bot_id);
	1462	+
	1463	+ if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
	1464	+ error_log("MXCHAT DEBUG: Using default options (no multi-bot or bot is 'default')");
	1465	+ return array();
	1466	+ }
	1467	+
	1468	+ $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
	1469	+
	1470	+ if (!empty($bot_options)) {
	1471	+ error_log("MXCHAT DEBUG: Got bot-specific options from filter");
	1472	+ if (isset($bot_options['similarity_threshold'])) {
	1473	+ error_log(" - similarity_threshold: " . $bot_options['similarity_threshold']);
	1474	+ }
	1475	+ }
	1476	+
	1477	+ return is_array($bot_options) ? $bot_options : array();
	1478	+}
972	1479
973		- // Word document transients
974		- delete_transient('mxchat_word_url_' . $session_id);
975		- delete_transient('mxchat_word_filename_' . $session_id);
976		- delete_transient('mxchat_word_embeddings_' . $session_id);
977		- delete_transient('mxchat_include_word_in_context_' . $session_id);
978		- delete_transient('mxchat_waiting_for_word_' . $session_id);
	1480	+/**
	1481	+ * Get bot-specific Pinecone configuration
	1482	+ * Used in the knowledge retrieval functions
	1483	+ */
	1484	+// Also add debugging to your get_bot_pinecone_config function
	1485	+private function get_bot_pinecone_config($bot_id = 'default') {
	1486	+ error_log("MXCHAT DEBUG: get_bot_pinecone_config called for bot: " . $bot_id);
	1487	+
	1488	+ // If default bot or multi-bot add-on not active, use default Pinecone config
	1489	+ if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
	1490	+ error_log("MXCHAT DEBUG: Using default Pinecone config (no multi-bot or bot is 'default')");
	1491	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	1492	+ $config = array(
	1493	+ 'use_pinecone' => (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1'),
	1494	+ 'api_key' => $addon_options['mxchat_pinecone_api_key'] ?? '',
	1495	+ 'host' => $addon_options['mxchat_pinecone_host'] ?? '',
	1496	+ 'namespace' => $addon_options['mxchat_pinecone_namespace'] ?? ''
	1497	+ );
	1498	+ error_log("MXCHAT DEBUG: Default config - use_pinecone: " . ($config['use_pinecone'] ? 'true' : 'false'));
	1499	+ return $config;
	1500	+ }
	1501	+
	1502	+ error_log("MXCHAT DEBUG: Calling filter 'mxchat_get_bot_pinecone_config' for bot: " . $bot_id);
	1503	+
	1504	+ // Hook for multi-bot add-on to provide bot-specific Pinecone config
	1505	+ $bot_pinecone_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
	1506	+
	1507	+ if (!empty($bot_pinecone_config)) {
	1508	+ error_log("MXCHAT DEBUG: Got bot-specific config from filter");
	1509	+ error_log(" - use_pinecone: " . (isset($bot_pinecone_config['use_pinecone']) ? ($bot_pinecone_config['use_pinecone'] ? 'true' : 'false') : 'not set'));
	1510	+ error_log(" - host: " . ($bot_pinecone_config['host'] ?? 'not set'));
	1511	+ error_log(" - namespace: " . ($bot_pinecone_config['namespace'] ?? 'not set'));
	1512	+ } else {
	1513	+ error_log("MXCHAT DEBUG: Filter returned empty config!");
	1514	+ }
	1515	+
	1516	+ return is_array($bot_pinecone_config) ? $bot_pinecone_config : array();
979	1517	}
980	1518
981		-// New function to check intents and invoke the callback function
	1519	+
	1520	+// Updated function to check intents and invoke the callback function
982	1521	private function mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id) {
983	1522	global $wpdb;
984	1523	$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
985	1524
986		- //error_log("[MxChat] Checking intents for message: " . $message);
	1525	+ // NEW: Get the current bot_id
	1526	+ $current_bot_id = $this->get_current_bot_id($session_id);
987	1527
988	1528	// Generate the user embedding
989	1529	$user_embedding = $this->mxchat_generate_embedding($message, $this->options['api_key']);
990		- if (!is_array($user_embedding)) {
991		- //error_log("[MxChat] Failed to generate user embedding");
992		- return false;
	1530	+
	1531	+ // Check if embedding generation returned an error
	1532	+ if (is_array($user_embedding) && isset($user_embedding['error'])) {
	1533	+ $error_message = $user_embedding['error'];
	1534	+ $error_code = $user_embedding['error_code'] ?? 'embedding_error';
	1535	+
	1536	+ wp_send_json_error([
	1537	+ 'error_message' => $error_message,
	1538	+ 'error_code' => $error_code
	1539	+ ]);
	1540	+ wp_die();
993	1541	}
994	1542
	1543	+ // Check if embedding is valid
	1544	+ if (!is_array($user_embedding) || empty($user_embedding)) {
	1545	+ wp_send_json_error([
	1546	+ 'error_message' => esc_html__('Unable to process your message. The embedding service is not responding correctly.', 'mxchat'),
	1547	+ 'error_code' => 'invalid_embedding'
	1548	+ ]);
	1549	+ wp_die();
	1550	+ }
	1551	+
995	1552	// Fetch intents from the database
996	1553	$table_name = $wpdb->prefix . 'mxchat_intents';
997	1554	if ($chat_mode === 'agent') {
998	1555	$query = $wpdb->prepare(
999		- "SELECT * FROM $table_name WHERE callback_function = %s",
	1556	+ "SELECT * FROM $table_name WHERE callback_function = %s AND (enabled = 1 OR enabled IS NULL)",
1000	1557	'mxchat_handle_switch_to_chatbot_intent'
1001	1558	);
1002	1559	$intents = $wpdb->get_results($query);
1003	1560	} else {
1004		- $intents = $wpdb->get_results("SELECT * FROM $table_name");
	1561	+ $intents = $wpdb->get_results("SELECT * FROM $table_name WHERE enabled = 1 OR enabled IS NULL");
1005	1562	}
1006	1563
1007		- //error_log("[MxChat] Found " . count($intents) . " intents to check");
1008		-
1009	1564	if (empty($intents)) {
1010		- //error_log("[MxChat] No intents found in database");
1011	1565	return false;
1012	1566	}
1013	1567
1014	1568	$highest_similarity = -INF;
		@@ -1013,11 +1567,23 @@
1013	1567
1014	1568	$highest_similarity = -INF;
1015	1569	$matched_intent = null;
1016	1570
	1571	+ // Array to store action analysis for testing panel
	1572	+ $action_analysis = [];
	1573	+
1017	1574	foreach ($intents as $intent) {
1018		- //error_log("[MxChat] Checking intent: " . $intent->intent_label . " (callback: " . $intent->callback_function . ")");
	1575	+ // Additional check for enabled state
	1576	+ $is_enabled = isset($intent->enabled) ? (bool)$intent->enabled : true;
	1577	+ if (!$is_enabled) {
	1578	+ continue;
	1579	+ }
1019	1580
	1581	+ // NEW: Check if this action is enabled for the current bot
	1582	+ if (!$this->is_action_enabled_for_bot($intent, $current_bot_id)) {
	1583	+ continue;
	1584	+ }
	1585	+
1020	1586	$intent_embedding_serialized = $intent->embedding_vector;
1021	1587	$intent_embedding = $intent_embedding_serialized
1022	1588	? unserialize($intent_embedding_serialized, ['allowed_classes' => false])
1023	1589	: null;
		@@ -1022,9 +1588,8 @@
1022	1588	? unserialize($intent_embedding_serialized, ['allowed_classes' => false])
1023	1589	: null;
1024	1590
1025	1591	if (!is_array($intent_embedding)) {
1026		- //error_log("[MxChat] Invalid embedding for intent: " . $intent->intent_label);
1027	1592	continue;
1028	1593	}
1029	1594
1030	1595	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $intent_embedding);
		@@ -1029,20 +1594,46 @@
1029	1594
1030	1595	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $intent_embedding);
1031	1596	$intent_threshold = isset($intent->similarity_threshold) ? $intent->similarity_threshold : 0.85;
1032	1597
1033		- //error_log("[MxChat] Similarity for {$intent->intent_label}: {$similarity} (threshold: {$intent_threshold})");
	1598	+ // Store action analysis data for testing panel
	1599	+ $action_analysis[] = [
	1600	+ 'intent_label' => $intent->intent_label,
	1601	+ 'callback_function' => $intent->callback_function,
	1602	+ 'similarity' => round($similarity, 4),
	1603	+ 'similarity_percentage' => round($similarity * 100, 2),
	1604	+ 'threshold' => $intent_threshold,
	1605	+ 'threshold_percentage' => round($intent_threshold * 100, 2),
	1606	+ 'above_threshold' => $similarity >= $intent_threshold,
	1607	+ 'triggered' => false // Will be updated below if this intent is triggered
	1608	+ ];
1034	1609
1035	1610	if ($similarity >= $intent_threshold && $similarity > $highest_similarity) {
1036	1611	$highest_similarity = $similarity;
1037	1612	$matched_intent = $intent;
1038		- //error_log("[MxChat] New best match: {$intent->intent_label} with similarity {$similarity}");
1039	1613	}
1040	1614	}
1041	1615
	1616	+ // Mark the triggered action if any
1042	1617	if ($matched_intent) {
1043		- //error_log("[MxChat] Invoking callback: " . $matched_intent->callback_function);
1044		-
	1618	+ foreach ($action_analysis as &$action) {
	1619	+ if ($action['intent_label'] === $matched_intent->intent_label) {
	1620	+ $action['triggered'] = true;
	1621	+ break;
	1622	+ }
	1623	+ }
	1624	+ }
	1625	+
	1626	+ // Sort actions by similarity (highest first) and store for testing panel
	1627	+ usort($action_analysis, function($a, $b) {
	1628	+ return $b['similarity'] <=> $a['similarity'];
	1629	+ });
	1630	+
	1631	+ // Store action analysis for testing panel capture
	1632	+ $this->last_action_analysis = $action_analysis;
	1633	+
	1634	+ // Around line 715 in your mxchat_check_intent_and_invoke_callback function
	1635	+ if ($matched_intent) {
1045	1636	// If the callback is a method on this instance (core callback), call it directly
1046	1637	if (method_exists($this, $matched_intent->callback_function)) {
1047	1638	$callback_result = call_user_func(
1048	1639	[$this, $matched_intent->callback_function],
		@@ -1048,15 +1639,16 @@
1048	1639	[$this, $matched_intent->callback_function],
1049	1640	$message,
1050	1641	$user_id,
1051	1642	$session_id,
1052		- $matched_intent
	1643	+ $matched_intent,
	1644	+ $user_context ?? null
1053	1645	);
1054	1646	} else {
1055	1647	// Otherwise, use apply_filters for add-on callbacks
1056	1648	$callback_result = apply_filters(
1057	1649	$matched_intent->callback_function,
1058		- false, // default return value
	1650	+ false,
1059	1651	$message,
1060	1652	$user_id,
1061	1653	$session_id,
1062	1654	$matched_intent
		@@ -1062,214 +1654,132 @@
1062	1654	$matched_intent
1063	1655	);
1064	1656	}
1065	1657
1066		- //error_log("[MxChat] Callback result: " . print_r($callback_result, true));
	1658	+ // Handle the callback result properly
1067	1659	if ($callback_result !== false) {
1068		- $this->fallbackResponse = $callback_result;
1069		- return true;
	1660	+ // If callback returned an array with chat_mode, use it directly
	1661	+ if (is_array($callback_result) && isset($callback_result['chat_mode'])) {
	1662	+ $this->fallbackResponse = $callback_result;
	1663	+ return $callback_result; // Return the full array
	1664	+ } else {
	1665	+ $this->fallbackResponse = $callback_result;
	1666	+ return true;
	1667	+ }
1070	1668	}
1071	1669	}
1072	1670
1073		- //error_log("[MxChat] No matching intent found");
1074	1671	return false;
1075	1672	}
1076	1673
1077		-
1078		-//verified good
1079		-public function mxchat_handle_order_history($message, $user_id, $session_id) {
1080		- if (!class_exists('WooCommerce')) {
1081		- $this->fallbackResponse['text'] = esc_html__("I can't access order information right now. The order system seems to be unavailable.", 'mxchat');
	1674	+/**
	1675	+ * Check if an action is enabled for a specific bot
	1676	+ */
	1677	+private function is_action_enabled_for_bot($intent, $bot_id) {
	1678	+ // If enabled_bots column doesn't exist or is null, assume it's enabled for all bots (backward compatibility)
	1679	+ if (!isset($intent->enabled_bots) || empty($intent->enabled_bots)) {
1082	1680	return true;
1083	1681	}
1084		-
1085		- $orderDetails = MxChat_WooCommerce::mxchat_fetch_user_orders_details('all');
1086		-
1087		- if (empty($orderDetails)) {
1088		- $this->fallbackResponse['text'] = esc_html__("I don't see any orders associated with your account. Are you logged in?", 'mxchat');
	1682	+
	1683	+ $enabled_bots = json_decode($intent->enabled_bots, true);
	1684	+
	1685	+ // If JSON decode fails or returns empty array, assume enabled for all (backward compatibility)
	1686	+ if (!is_array($enabled_bots) || empty($enabled_bots)) {
1089	1687	return true;
1090	1688	}
	1689	+
	1690	+ // Check if the current bot is in the enabled bots list
	1691	+ return in_array($bot_id, $enabled_bots);
	1692	+}
1091	1693
1092		- // Generate AI prompt with context
1093		- $prompt = __("User asked about their orders:", 'mxchat') . " '{$message}'\n\n";
1094		- $prompt .= __("Order information:", 'mxchat') . "\n";
1095		- foreach ($orderDetails as $order) {
1096		- $items_list = array_map(function($item) {
1097		- return "{$item['name']} ({$item['quantity']})";
1098		- }, $order['items']);
	1694	+// Helper function to clear PDF and Word document related transients
	1695	+private function clear_pdf_transients($session_id) {
	1696	+ // PDF transients
	1697	+ delete_transient('mxchat_pdf_url_' . $session_id);
	1698	+ delete_transient('mxchat_pdf_embeddings_' . $session_id);
	1699	+ delete_transient('mxchat_include_pdf_in_context_' . $session_id);
	1700	+ delete_transient('mxchat_waiting_for_pdf_url_' . $session_id);
1099	1701
1100		- $prompt .= __("Order #", 'mxchat') . "{$order['order_id']}: {$order['formatted_total']} " . __("on", 'mxchat') . " {$order['date']}\n";
1101		- $prompt .= __("Items:", 'mxchat') . " " . implode(', ', $items_list) . "\n";
1102		- }
1103		-
1104		- $prompt .= __("\nProvide a natural, conversational response focusing on the specific information the user asked about. ", 'mxchat');
1105		- $prompt .= __("If they ask about a specific order or detail, provide just that information. ", 'mxchat');
1106		- $prompt .= __("If they ask about license keys or sensitive information, inform them to check their email or contact support.", 'mxchat');
1107		-
1108		- // Get AI response
1109		- $ai_response = $this->mxchat_call_ai_api($prompt);
1110		- $this->fallbackResponse['text'] = $ai_response['text'];
1111		-
1112		- return true;
	1702	+ // Word document transients
	1703	+ delete_transient('mxchat_word_url_' . $session_id);
	1704	+ delete_transient('mxchat_word_filename_' . $session_id);
	1705	+ delete_transient('mxchat_word_embeddings_' . $session_id);
	1706	+ delete_transient('mxchat_include_word_in_context_' . $session_id);
	1707	+ delete_transient('mxchat_waiting_for_word_' . $session_id);
1113	1708	}
1114	1709
1115	1710
1116		-public function mxchat_handle_product_inquiry($message, $user_id, $session_id) {
1117		- //error_log("PRODUCT INQUIRY START - Message: $message, User ID: $user_id");
1118	1711
1119		- // Sanitize user ID
1120		- $sanitized_user_id = sanitize_key($user_id);
1121		- //error_log("Sanitized User ID: $sanitized_user_id");
1122		-
1123		- // Find product
1124		- $product_id = $this->find_product_in_message($message);
1125		- //error_log("Initial product ID from message: " . ($product_id ?? 'null'));
1126		-
1127		- // Check transient if no product found
1128		- if (!$product_id) {
1129		- $product_id = get_transient('mxchat_last_discussed_product_' . $sanitized_user_id);
1130		- //error_log("Product ID from transient: " . ($product_id ?? 'null'));
1131		- }
1132		-
1133		- // Handle product inquiries
1134		- if ($product_id && class_exists('WooCommerce')) {
1135		- $product = wc_get_product($product_id);
1136		- if ($product) {
1137		- //error_log("Found product: " . $product->get_name() . " (ID: $product_id)");
1138		-
1139		- // Prepare product details
1140		- $product_name = esc_html($product->get_name());
1141		- $product_price = $product->get_price_html();
1142		- $product_image_url = esc_url(wp_get_attachment_url($product->get_image_id()));
1143		- $product_url = esc_url(get_permalink($product_id));
1144		- $product_id_attr = esc_attr($product_id);
1145		-
1146		- // Get product description
1147		- $product_description = $product->get_description() ?: $product->get_short_description();
1148		-
1149		- // Log embeddings process
1150		- //error_log("Generating embedding for message: $message");
1151		- $user_message_embedding = $this->mxchat_generate_embedding($message, $this->options['api_key']);
1152		- //error_log("Finding relevant content for product inquiry");
1153		- $relevant_content = $this->mxchat_find_relevant_content($user_message_embedding);
1154		-
1155		- // Build AI prompt
1156		- $ai_prompt = esc_html__("You are a knowledgeable product assistant. ", 'mxchat');
1157		- $ai_prompt .= esc_html__("Respond to this user query: '{$message}'\n\n", 'mxchat');
1158		-
1159		- if (!empty($relevant_content)) {
1160		- $ai_prompt .= esc_html__("Relevant information from our knowledge base:\n{$relevant_content}\n\n", 'mxchat');
1161		- }
1162		-
1163		- $ai_prompt .= esc_html__("Product details:\n", 'mxchat');
1164		- $ai_prompt .= esc_html__("Name: {$product_name}\n", 'mxchat');
1165		- $ai_prompt .= esc_html__("Price: ", 'mxchat') . strip_tags($product_price) . "\n";
1166		- if ($product_description) {
1167		- $ai_prompt .= esc_html__("Description: {$product_description}\n", 'mxchat');
1168		- }
1169		-
1170		- $ai_prompt .= esc_html__("\nInstructions:\n", 'mxchat');
1171		- $ai_prompt .= esc_html__("1. Address the user's specific question or concern about the product\n", 'mxchat');
1172		- $ai_prompt .= esc_html__("2. Incorporate relevant information from our knowledge base if provided\n", 'mxchat');
1173		- $ai_prompt .= esc_html__("3. Highlight key product features that relate to their query\n", 'mxchat');
1174		- $ai_prompt .= esc_html__("4. Include a natural suggestion to check out the product\n", 'mxchat');
1175		- $ai_prompt .= esc_html__("5. Keep the response conversational and helpful\n", 'mxchat');
1176		-
1177		- //error_log("Sending AI prompt: " . $ai_prompt);
1178		-
1179		- // Build and log AI response
1180		- $ai_response = $this->mxchat_call_ai_api($ai_prompt);
1181		- //error_log("AI Response received for product inquiry: " . print_r($ai_response, true));
1182		-
1183		- // Generate and log product card
1184		- $product_card_html = <<<HTML
1185		-<div class="mxchat-product-card">
1186		- <a href="{$product_url}" target="_blank">
1187		- <img src="{$product_image_url}" alt="{$product_name}" class="mxchat-product-image" />
1188		- <h3 class="mxchat-product-name">{$product_name}</h3>
1189		- </a>
1190		- <div class="mxchat-product-price">{$product_price}</div>
1191		- <button class="mxchat-add-to-cart-button" data-product-id="{$product_id_attr}">Add to Cart</button>
1192		-</div>
1193		-HTML;
1194		-
1195		- // Save response and set transient
1196		- $this->productCardHtml = $product_card_html;
1197		- $this->fallbackResponse = [
1198		- 'text' => $ai_response['text'],
1199		- 'html' => $this->productCardHtml,
1200		- ];
1201		-
1202		- //error_log("Setting transient for product: $product_id with key: mxchat_last_discussed_product_$sanitized_user_id");
1203		- set_transient('mxchat_last_discussed_product_' . $sanitized_user_id, $product_id, HOUR_IN_SECONDS);
1204		-
1205		- // Verify transient was set
1206		- $verify_transient = get_transient('mxchat_last_discussed_product_' . $sanitized_user_id);
1207		- //error_log("Verification - Retrieved transient value: " . ($verify_transient ?? 'null'));
1208		-
1209		- return true;
1210		- }
1211		- }
1212		-
1213		- //error_log("PRODUCT INQUIRY END - No product found or WooCommerce not available");
1214		- return false;
1215		-}
1216		-
1217	1712	//verified good
1218	1713	public function mxchat_handle_email_capture($message, $user_id, $session_id) {
1219		- // Log the message safely
1220		- //error_log("Triggered email capture intent for message: " . sanitize_text_field($message));
1221		-
1222		- // Initiate email capture flow
1223		- $response = esc_html($this->options['triggered_phrase_response'] ?? esc_html__("Would you like to join our mailing list? Please provide your email below.", 'mxchat'));
1224		-
	1714	+ // Get the user's original instruction/message
	1715	+ $user_instruction = esc_html($this->options['triggered_phrase_response'] ?? esc_html__("Please provide your email address.", 'mxchat'));
	1716	+
	1717	+ // Set instruction for AI - just pass along what the user wanted to say
	1718	+ $this->current_action_instruction = $user_instruction;
	1719	+
	1720	+ // Set the transient to track email capture flow
1225	1721	set_transient('mxchat_email_capture_' . $user_id, true, 5 * MINUTE_IN_SECONDS);
1226		- $this->mxchat_save_chat_message($session_id, 'bot', $response);
1227		-
1228		- // Respond to the user
1229		- wp_send_json(['message' => $response]);
1230		- wp_die();
	1722	+
	1723	+ // Return false to let the AI generate the response
	1724	+ return false;
1231	1725	}
1232	1726
1233		-//very good
1234	1727	public function mxchat_generate_image($message, $user_id, $session_id) {
	1728	+ //error_log("Starting image generation for message: " . $message);
	1729	+
1235	1730	// Prepare a prompt for DALL-E
1236	1731	$prompt = esc_html__('Create an image of ', 'mxchat') . sanitize_text_field($message);
1237		-
	1732	+
1238	1733	// Use the existing OpenAI API key
1239	1734	$openai_api_key = sanitize_text_field($this->options['api_key']);
1240		-
	1735	+
1241	1736	// Call DALL-E to generate an image
1242	1737	$image_response = $this->mxchat_generate_dalle_image($prompt, $openai_api_key);
1243		-
	1738	+
1244	1739	// Check if the response contains an image URL
1245	1740	if (isset($image_response['imageUrl'])) {
1246	1741	$image_url = esc_url_raw($image_response['imageUrl']);
1247		-
	1742	+
1248	1743	// Construct the HTML with a CSS class instead of inline styles
1249	1744	$response_html = '<img src="' . esc_url($image_url) . '" alt="' . esc_attr__('Generated Image', 'mxchat') . '" class="mxchat-generated-image" />';
	1745	+ $response_text = esc_html__('Here is the image I generated:', 'mxchat');
	1746	+
	1747	+ // Save the bot message with both text and HTML
	1748	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	1749	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_html);
	1750	+
	1751	+ // Set the fallback response for the chat handler
	1752	+ $this->fallbackResponse = [
	1753	+ 'text' => $response_text,
	1754	+ 'html' => $response_html,
	1755	+ 'images' => [$image_url]
	1756	+ ];
	1757	+
	1758	+ // For debugging/verification - Use json_encode to verify what's being set
	1759	+ //error_log("Image generation successful - fallbackResponse set: " . json_encode($this->fallbackResponse));
1250	1760
1251		- $response_text = esc_html__('Here is the image I generated:', 'mxchat');
	1761	+ // Return the response directly instead of relying on the property
	1762	+ return $this->fallbackResponse;
1252	1763	} else {
1253	1764	$response_text = esc_html__("I'm sorry, but I couldn't generate an image based on your request.", 'mxchat');
1254		- $response_html = '';
	1765	+
	1766	+ // Save the error message
	1767	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	1768	+
	1769	+ // Set the fallback response for the chat handler
	1770	+ $this->fallbackResponse = [
	1771	+ 'text' => $response_text,
	1772	+ 'html' => '',
	1773	+ 'images' => []
	1774	+ ];
	1775	+
1255	1776	//error_log("DALL-E image generation error: " . esc_html($image_response['error'] ?? 'Unknown error.'));
	1777	+ //error_log("Error fallbackResponse set: " . json_encode($this->fallbackResponse));
	1778	+
	1779	+ // Return the response directly instead of relying on the property
	1780	+ return $this->fallbackResponse;
1256	1781	}
1257		-
1258		- // Save both text and HTML responses
1259		- $this->mxchat_save_chat_message($session_id, 'bot', $response_text . "\n" . $response_html);
1260		-
1261		- // Prepare the response data
1262		- $response_data = [
1263		- 'message' => $response_text,
1264		- 'html' => $response_html,
1265		- 'image_url' => $image_url ?? '',
1266		- ];
1267		-
1268		- // Send the JSON response
1269		- header('Content-Type: application/json; charset=' . get_option('blog_charset'));
1270		- echo json_encode($response_data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
1271		- wp_die();
1272	1782	}
1273	1783	private function mxchat_generate_dalle_image($prompt, $api_key, $model = 'dall-e-3', $timeout = 60) {
1274	1784	$api_url = 'https://api.openai.com/v1/images/generations';
1275	1785	$body = json_encode([
		@@ -1308,44 +1818,43 @@
1308	1818
1309	1819	/**
1310	1820	* Handle web search requests.
1311	1821	*
1312		- * Sends the refined search query to the Brave Search API and displays neatly formatted,
1313		- * styled search results. Results are cached for performance.
	1822	+ * Sends the refined search query to the Brave Search API and uses the
	1823	+ * results to generate a conversational response with the AI model.
1314	1824	*
1315	1825	* @since 1.0.0
1316	1826	* @param string $message The user's search query.
1317	1827	* @param string $user_id The user identifier.
1318	1828	* @param string $session_id The current session ID.
1319		- * @return void
	1829	+ * @return array Response array containing text with embedded HTML links
1320	1830	*/
1321		-public function mxchat_handle_search_request( $message, $user_id, $session_id ) {
	1831	+public function mxchat_handle_search_request($message, $user_id, $session_id) {
1322	1832	// Step 1: Interpret and refine the search query
1323		- $refined_search_query = $this->mxchat_interpret_search_query( $message );
1324		-
1325		- if ( empty( $refined_search_query ) ) {
1326		- $this->fallbackResponse = array(
1327		- 'text' => esc_html__( 'I apologize, but could you please rephrase your search request?', 'mxchat' ),
	1833	+ $refined_search_query = $this->mxchat_interpret_search_query($message);
	1834	+ if (empty($refined_search_query)) {
	1835	+ return array(
	1836	+ 'text' => esc_html__('I apologize, but could you please rephrase your search request?', 'mxchat'),
	1837	+ 'html' => ''
1328	1838	);
1329		- return;
1330	1839	}
1331		-
	1840	+
1332	1841	// Retrieve and validate API settings
1333		- $options = get_option( 'mxchat_options' );
1334		- $api_key = isset( $options['brave_api_key'] ) ? sanitize_text_field( $options['brave_api_key'] ) : '';
1335		- $results_count = isset( $options['brave_results_count'] ) ? absint( $options['brave_results_count'] ) : 5;
1336		-
1337		- if ( empty( $api_key ) ) {
1338		- $this->fallbackResponse = array(
1339		- 'text' => esc_html__( 'Search functionality is temporarily unavailable. Please try again later.', 'mxchat' ),
	1842	+ $options = get_option('mxchat_options');
	1843	+ $api_key = isset($options['brave_api_key']) ? sanitize_text_field($options['brave_api_key']) : '';
	1844	+ $results_count = isset($options['brave_results_count']) ? absint($options['brave_results_count']) : 5;
	1845	+
	1846	+ if (empty($api_key)) {
	1847	+ return array(
	1848	+ 'text' => esc_html__('Search functionality is temporarily unavailable. Please try again later.', 'mxchat'),
	1849	+ 'html' => ''
1340	1850	);
1341		- return;
1342	1851	}
1343		-
	1852	+
1344	1853	// Build the API request URL
1345	1854	$api_url = add_query_arg(
1346	1855	array(
1347		- 'q' => rawurlencode( $refined_search_query ),
	1856	+ 'q' => rawurlencode($refined_search_query),
1348	1857	'count' => $results_count,
1349	1858	'text_decorations' => 'true',
1350	1859	'rich_data' => 'true',
1351	1860	),
		@@ -1350,14 +1859,14 @@
1350	1859	'rich_data' => 'true',
1351	1860	),
1352	1861	'https://api.search.brave.com/res/v1/web/search'
1353	1862	);
1354		-
	1863	+
1355	1864	// Attempt to retrieve cached results first
1356		- $transient_key = 'mxchat_search_' . md5( $refined_search_query );
1357		- $results = get_transient( $transient_key );
1358		-
1359		- if ( false === $results ) {
	1865	+ $transient_key = 'mxchat_search_' . md5($refined_search_query);
	1866	+ $results = get_transient($transient_key);
	1867	+
	1868	+ if (false === $results) {
1360	1869	// Fetch new results from the Brave Search API
1361	1870	$response = wp_remote_get(
1362	1871	$api_url,
1363	1872	array(
		@@ -1368,162 +1877,98 @@
1368	1877	),
1369	1878	'timeout' => 10,
1370	1879	)
1371	1880	);
1372		-
1373		- if ( is_wp_error( $response ) ) {
1374		- $this->fallbackResponse = array(
1375		- 'text' => esc_html__( 'I encountered an error while searching. Please try again.', 'mxchat' ),
	1881	+
	1882	+ if (is_wp_error($response)) {
	1883	+ return array(
	1884	+ 'text' => esc_html__('I encountered an error while searching. Please try again.', 'mxchat'),
	1885	+ 'html' => ''
1376	1886	);
1377		- return;
1378	1887	}
1379		-
1380		- $results = json_decode( wp_remote_retrieve_body( $response ), true );
1381		-
1382		- if ( json_last_error() !== JSON_ERROR_NONE ) {
1383		- $this->fallbackResponse = array(
1384		- 'text' => esc_html__( 'I received an invalid response from the search service.', 'mxchat' ),
	1888	+
	1889	+ $results = json_decode(wp_remote_retrieve_body($response), true);
	1890	+
	1891	+ if (json_last_error() !== JSON_ERROR_NONE) {
	1892	+ return array(
	1893	+ 'text' => esc_html__('I received an invalid response from the search service.', 'mxchat'),
	1894	+ 'html' => ''
1385	1895	);
1386		- return;
1387	1896	}
1388		-
	1897	+
1389	1898	// Cache results for one hour
1390		- set_transient( $transient_key, $results, HOUR_IN_SECONDS );
	1899	+ set_transient($transient_key, $results, HOUR_IN_SECONDS);
1391	1900	}
1392		-
1393		- // Process and display results
1394		- if ( ! empty( $results['web']['results'] ) && is_array( $results['web']['results'] ) ) {
1395		- $html = $this->generate_search_results_html( $results['web']['results'], $refined_search_query );
1396		-
1397		- // Only return HTML (no large text summary)
1398		- $this->fallbackResponse = array(
1399		- 'html' => $html,
	1901	+
	1902	+ // Process results
	1903	+ if (!empty($results['web']['results']) && is_array($results['web']['results'])) {
	1904	+ // Create a more straightforward summary with HTML links
	1905	+ $search_results_text = '';
	1906	+
	1907	+ // Add a simple intro
	1908	+ $search_results_text .= sprintf(
	1909	+ esc_html__("Here's what I found about '%s':", 'mxchat'),
	1910	+ esc_html($refined_search_query)
1400	1911	);
1401		-
	1912	+
	1913	+ // Add the top results with HTML links
	1914	+ foreach (array_slice($results['web']['results'], 0, 5) as $result) {
	1915	+ $title = isset($result['title']) ? wp_strip_all_tags($result['title']) : '';
	1916	+ $url = isset($result['url']) ? esc_url($result['url']) : '';
	1917	+ $description = isset($result['description']) ? wp_strip_all_tags($result['description']) : '';
	1918	+
	1919	+ // Add a line break after the intro
	1920	+ $search_results_text .= '<br><br>';
	1921	+
	1922	+ // Add title as a link
	1923	+ $search_results_text .= sprintf(
	1924	+ '<a href="%s" target="_blank" rel="noopener noreferrer">%s</a><br>',
	1925	+ $url,
	1926	+ $title
	1927	+ );
	1928	+
	1929	+ // Add a condensed description
	1930	+ $search_results_text .= sprintf("%s", $description);
	1931	+ }
	1932	+
1402	1933	// Save to chat history
1403		- $this->mxchat_save_chat_message( $session_id, 'bot', $html );
	1934	+ $this->mxchat_save_chat_message($session_id, 'bot', $search_results_text);
	1935	+
	1936	+ // Return the formatted text with embedded HTML links
	1937	+ return array(
	1938	+ 'text' => $search_results_text,
	1939	+ 'html' => ''
	1940	+ );
1404	1941	} else {
1405		- $this->fallbackResponse = array(
	1942	+ return array(
1406	1943	'text' => sprintf(
1407		- esc_html__( 'I couldn\'t find any relevant results for "%s". Would you like to try different search terms?', 'mxchat' ),
1408		- esc_html( $refined_search_query )
	1944	+ esc_html__('I searched for "%s" but couldn\'t find any relevant results. Would you like to try different search terms?', 'mxchat'),
	1945	+ esc_html($refined_search_query)
1409	1946	),
	1947	+ 'html' => ''
1410	1948	);
1411	1949	}
1412	1950	}
1413	1951
1414		-
	1952	+//very good
1415	1953	/**
1416		- * Format search results into a natural text summary.
	1954	+ * Handle image search requests from the chatbot
1417	1955	*
1418		- * @since 1.0.0
1419		- * @param array $results The search results from the API.
1420		- * @param string $query The original search query.
1421		- * @return string The text summary of the top results.
	1956	+ * @param string $message The user's search query
	1957	+ * @param int $user_id The user's ID
	1958	+ * @param string $session_id The chat session ID
	1959	+ * @return array Response array with text and HTML content
1422	1960	*/
1423		-private function format_search_results( $results, $query ) {
1424		- $summary = sprintf(
1425		- esc_html__( 'Here are the most relevant results for "%s":', 'mxchat' ),
1426		- esc_html( $query )
1427		- ) . "\n\n";
1428		-
1429		- $max_results = min( count( $results ), 3 );
1430		- for ( $i = 0; $i < $max_results; $i++ ) {
1431		- $result = $results[ $i ];
1432		- $title = isset( $result['title'] ) ? wp_strip_all_tags( $result['title'] ) : '';
1433		- $description = isset( $result['description'] ) ? wp_strip_all_tags( $result['description'] ) : '';
1434		-
1435		- // Append title and description to the summary
1436		- $summary .= sprintf(
1437		- "%s\n%s\n\n",
1438		- esc_html( $title ),
1439		- esc_html( $description )
1440		- );
1441		- }
1442		-
1443		- return $summary;
1444		-}
1445		-
1446		-/**
1447		- * Generate HTML markup for search results.
1448		- *
1449		- * @since 1.0.0
1450		- * @param array $results The search results from the API.
1451		- * @param string $query The user-refined query.
1452		- * @return string The HTML markup for displaying the results.
1453		- */
1454		-private function generate_search_results_html( $results, $query ) {
1455		- ob_start();
1456		- ?>
1457		- <div class="mxchat-search-results">
1458		- <?php foreach ( $results as $result ) :
1459		- $title = isset( $result['title'] ) ? wp_strip_all_tags( $result['title'] ) : '';
1460		- $url = isset( $result['url'] ) ? esc_url( $result['url'] ) : '#';
1461		- $description = isset( $result['description'] ) ? wp_strip_all_tags( $result['description'] ) : '';
1462		- $favicon = isset( $result['meta_url']['favicon'] ) ? esc_url( $result['meta_url']['favicon'] ) : '';
1463		- $thumbnail = isset( $result['thumbnail']['src'] ) ? esc_url( $result['thumbnail']['src'] ) : '';
1464		- $domain = parse_url( $url, PHP_URL_HOST );
1465		- ?>
1466		- <div class="mxchat-search-item">
1467		- <div class="mxchat-search-header">
1468		- <?php if ( $favicon ) : ?>
1469		- <img
1470		- src="<?php echo esc_url( $favicon ); ?>"
1471		- class="mxchat-site-icon"
1472		- alt="<?php echo esc_attr__( 'Site icon', 'mxchat' ); ?>"
1473		- width="16"
1474		- height="16"
1475		- />
1476		- <?php endif; ?>
1477		- <div class="mxchat-site-url"><?php echo esc_html( $domain ); ?></div>
1478		- </div>
1479		-
1480		- <div class="mxchat-search-content">
1481		- <h3 class="mxchat-search-title">
1482		- <a href="<?php echo esc_url( $url ); ?>"
1483		- target="_blank"
1484		- rel="noopener noreferrer"
1485		- >
1486		- <?php echo esc_html( $title ); ?>
1487		- </a>
1488		- </h3>
1489		-
1490		- <?php if ( $thumbnail ) : ?>
1491		- <div class="mxchat-search-thumbnail">
1492		- <img
1493		- src="<?php echo esc_url( $thumbnail ); ?>"
1494		- alt="<?php echo esc_attr__( 'Thumbnail image', 'mxchat' ); ?>"
1495		- loading="lazy"
1496		- />
1497		- </div>
1498		- <?php endif; ?>
1499		-
1500		- <div class="mxchat-search-description">
1501		- <?php echo esc_html( $description ); ?>
1502		- </div>
1503		- </div>
1504		- </div>
1505		- <?php endforeach; ?>
1506		- </div>
1507		- <?php
1508		- return ob_get_clean();
1509		-}
1510		-
1511		-
1512		-//very good
1513	1961	public function mxchat_handle_image_search_request($message, $user_id, $session_id) {
1514		-
1515		- // Step 1: Interpret the search query for better results
	1962	+ // Step 1: Interpret the search query using the user's selected AI model
1516	1963	$refined_search_query = $this->mxchat_interpret_search_query($message);
1517	1964
1518		-
1519	1965	// If no query was interpreted, return a fallback message
1520	1966	if (empty($refined_search_query)) {
1521		- $this->fallbackResponse = [
	1967	+ return array(
1522	1968	'text' => __("I'm sorry, I couldn't interpret your search query. Please specify what you'd like to see images of.", 'mxchat'),
1523	1969	'html' => "",
1524		- ];
1525		- return;
	1970	+ );
1526	1971	}
1527	1972
1528	1973	// Brave API URL
1529	1974	$api_url = 'https://api.search.brave.com/res/v1/images/search';
		@@ -1532,19 +1977,12 @@
1532	1977	$options = get_option('mxchat_options');
1533	1978	$api_key = isset($options['brave_api_key']) ? sanitize_text_field($options['brave_api_key']) : '';
1534	1979
1535	1980	if (empty($api_key)) {
1536		-/*
1537		- if (defined('WP_DEBUG') && WP_DEBUG) {
1538		- error_log("Brave API key is missing.");
1539		- }
1540		-*/
1541		-
1542		- $this->fallbackResponse = [
	1981	+ return array(
1543	1982	'text' => __("API key is not configured. Please set it in the Brave Search Settings.", 'mxchat'),
1544	1983	'html' => "",
1545		- ];
1546		- return;
	1984	+ );
1547	1985	}
1548	1986
1549	1987	$image_count = isset($options['brave_image_count']) ? intval($options['brave_image_count']) : 4;
1550	1988	$safe_search = isset($options['brave_safe_search']) ? sanitize_text_field($options['brave_safe_search']) : 'strict';
		@@ -1555,16 +1993,8 @@
1555	1993	'count' => $image_count,
1556	1994	'safesearch' => $safe_search,
1557	1995	], $api_url);
1558	1996
1559		-/*
1560		- // Log the final API URL for the search
1561		- if (defined('WP_DEBUG') && WP_DEBUG) {
1562		- error_log("Final API URL for Brave Image Search: " . esc_url_raw($api_url));
1563		- }
1564		-*/
1565		-
1566		-
1567	1997	// Implement caching
1568	1998	$transient_key = 'mxchat_image_search_' . md5($refined_search_query);
1569	1999	$body = get_transient($transient_key);
1570	2000
		@@ -1580,19 +2010,12 @@
1580	2010
1581	2011	$response = wp_remote_get($api_url, $args);
1582	2012
1583	2013	if (is_wp_error($response)) {
1584		-/*
1585		- if (defined('WP_DEBUG') && WP_DEBUG) {
1586		- error_log("Brave Image API request failed: " . $response->get_error_message());
1587		- }
1588		-*/
1589		-
1590		- $this->fallbackResponse = [
	2014	+ return array(
1591	2015	'text' => __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'),
1592	2016	'html' => "",
1593		- ];
1594		- return;
	2017	+ );
1595	2018	}
1596	2019
1597	2020	$body = json_decode(wp_remote_retrieve_body($response), true);
1598	2021	set_transient($transient_key, $body, HOUR_IN_SECONDS);
		@@ -1600,10 +2023,16 @@
1600	2023
1601	2024	// Process the API response
1602	2025	if (isset($body['results']) && is_array($body['results']) && count($body['results']) > 0) {
1603	2026	$html_output = '<div class="mxchat-image-gallery">';
1604		-
1605		- foreach ($body['results'] as $image) {
	2027	+
	2028	+ // Get the configured image count (1-6)
	2029	+ $display_count = isset($options['brave_image_count']) ? intval($options['brave_image_count']) : 4;
	2030	+ $display_count = min($display_count, count($body['results'])); // Make sure we don't exceed available images
	2031	+
	2032	+ // Use only the requested number of images
	2033	+ for ($i = 0; $i < $display_count; $i++) {
	2034	+ $image = $body['results'][$i];
1606	2035	$image_url = isset($image['url']) ? esc_url($image['url']) : '';
1607	2036	$thumbnail_url = isset($image['thumbnail']['src']) ? esc_url($image['thumbnail']['src']) : '';
1608	2037	$title = isset($image['title']) ? esc_html($image['title']) : esc_html__('Image', 'mxchat');
1609	2038
		@@ -1617,47 +2046,95 @@
1617	2046	}
1618	2047
1619	2048	$html_output .= '</div>';
1620	2049
1621		- $this->fallbackResponse = [
1622		- 'text' => "",
1623		- 'html' => $html_output,
1624		- ];
1625		-
1626		- // Save response in chat history
	2050	+ // Create response text
	2051	+ $response_text = sprintf(__("Here are some images of %s:", 'mxchat'), $refined_search_query);
	2052	+
	2053	+ // Save both response text and HTML to chat history
	2054	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
1627	2055	$this->mxchat_save_chat_message($session_id, 'bot', $html_output);
1628	2056
	2057	+ // Return the combined response
	2058	+ return array(
	2059	+ 'text' => $response_text,
	2060	+ 'html' => $html_output,
	2061	+ );
1629	2062	} else {
1630		-/*
1631		- if (defined('WP_DEBUG') && WP_DEBUG) {
1632		- error_log("Brave Image API response did not contain expected data structure or was empty: " . print_r($body, true));
1633		- }
1634		-*/
1635		-
1636		- $this->fallbackResponse = [
1637		- 'text' => __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'),
	2063	+ $response_text = __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat');
	2064	+
	2065	+ // Save the error message to chat history
	2066	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	2067	+
	2068	+ return array(
	2069	+ 'text' => $response_text,
1638	2070	'html' => "",
1639		- ];
	2071	+ );
1640	2072	}
1641	2073	}
	2074	+
	2075	+/**
	2076	+ * Interpret the search query using the user's selected AI model
	2077	+ *
	2078	+ * @param string $user_query The original query from the user
	2079	+ * @return string The refined search query
	2080	+ */
1642	2081	public function mxchat_interpret_search_query($user_query) {
1643	2082	$system_prompt = esc_html__("Interpret the user's request to provide only the essential keywords or phrases for image searching. Remove conversational language, politeness, or extra context. Return a concise search query that doesn't lose any of the original meaning.", 'mxchat');
1644		-
1645		- // Retrieve OpenAI API key using 'api_key' as the option key
1646		- $api_key = isset($this->options['api_key']) ? sanitize_text_field($this->options['api_key']) : sanitize_text_field(get_option('mxchat_options')['api_key']);
1647		-
1648		- /*
1649		- // Log the API key check, without exposing the key
1650		- if (defined('WP_DEBUG') && WP_DEBUG) {
1651		- error_log("Retrieved OpenAI API Key: " . ($api_key ? "Present" : "Missing"));
	2083	+
	2084	+ // Get options and determine the selected model
	2085	+ $options = $this->options ?? get_option('mxchat_options');
	2086	+ $selected_model = isset($options['model']) ? $options['model'] : 'gpt-4o';
	2087	+
	2088	+ // Extract model prefix to determine the provider
	2089	+ $model_parts = explode('-', $selected_model);
	2090	+ $provider = strtolower($model_parts[0]);
	2091	+
	2092	+ // Determine which API key to use based on the provider
	2093	+ switch ($provider) {
	2094	+ case 'gemini':
	2095	+ $api_key = isset($options['gemini_api_key']) ? sanitize_text_field($options['gemini_api_key']) : '';
	2096	+ if (empty($api_key)) {
	2097	+ return sanitize_text_field($user_query); // Default to original query if API key missing
	2098	+ }
	2099	+ return $this->interpret_query_with_gemini($user_query, $system_prompt, $api_key, $selected_model);
	2100	+
	2101	+ case 'claude':
	2102	+ $api_key = isset($options['claude_api_key']) ? sanitize_text_field($options['claude_api_key']) : '';
	2103	+ if (empty($api_key)) {
	2104	+ return sanitize_text_field($user_query);
	2105	+ }
	2106	+ return $this->interpret_query_with_claude($user_query, $system_prompt, $api_key, $selected_model);
	2107	+
	2108	+ case 'grok':
	2109	+ $api_key = isset($options['xai_api_key']) ? sanitize_text_field($options['xai_api_key']) : '';
	2110	+ if (empty($api_key)) {
	2111	+ return sanitize_text_field($user_query);
	2112	+ }
	2113	+ return $this->interpret_query_with_xai($user_query, $system_prompt, $api_key, $selected_model);
	2114	+
	2115	+ case 'deepseek':
	2116	+ $api_key = isset($options['deepseek_api_key']) ? sanitize_text_field($options['deepseek_api_key']) : '';
	2117	+ if (empty($api_key)) {
	2118	+ return sanitize_text_field($user_query);
	2119	+ }
	2120	+ return $this->interpret_query_with_deepseek($user_query, $system_prompt, $api_key, $selected_model);
	2121	+
	2122	+ case 'gpt':
	2123	+ default:
	2124	+ // Default to OpenAI for custom models or unrecognized prefixes
	2125	+ $api_key = isset($options['api_key']) ? sanitize_text_field($options['api_key']) : '';
	2126	+ if (empty($api_key)) {
	2127	+ return sanitize_text_field($user_query);
	2128	+ }
	2129	+ return $this->interpret_query_with_openai($user_query, $system_prompt, $api_key, $selected_model);
1652	2130	}
1653		- */
	2131	+}
1654	2132
1655		- if (empty($api_key)) {
1656		- //error_log("OpenAI API key is missing.");
1657		- return sanitize_text_field($user_query); // Default to the original query if API key is missing
1658		- }
1659		-
	2133	+/**
	2134	+ * Interpret query using OpenAI models
	2135	+ */
	2136	+private function interpret_query_with_openai($user_query, $system_prompt, $api_key, $model = 'gpt-4o') {
1660	2137	$url = 'https://api.openai.com/v1/chat/completions';
1661	2138	$args = [
1662	2139	'headers' => [
1663	2140	'Authorization' => 'Bearer ' . $api_key,
		@@ -1663,9 +2140,9 @@
1663	2140	'Authorization' => 'Bearer ' . $api_key,
1664	2141	'Content-Type' => 'application/json',
1665	2142	],
1666	2143	'body' => wp_json_encode([
1667		- 'model' => 'gpt-3.5-turbo',
	2144	+ 'model' => $model,
1668	2145	'messages' => [
1669	2146	['role' => 'system', 'content' => $system_prompt],
1670	2147	['role' => 'user', 'content' => sanitize_text_field($user_query)],
1671	2148	],
		@@ -1672,292 +2149,178 @@
1672	2149	'temperature' => 0.2,
1673	2150	'max_tokens' => 20,
1674	2151	]),
1675	2152	'method' => 'POST',
	2153	+ 'timeout' => 15,
1676	2154	];
1677	2155
1678	2156	$response = wp_remote_post($url, $args);
1679		-
1680	2157	if (is_wp_error($response)) {
1681		- //error_log("OpenAI request failed: " . $response->get_error_message());
1682		- return sanitize_text_field($user_query); // Fallback to the original query if there's an error
	2158	+ return sanitize_text_field($user_query);
1683	2159	}
1684	2160
1685	2161	$body = json_decode(wp_remote_retrieve_body($response), true);
	2162	+ return isset($body['choices'][0]['message']['content'])
	2163	+ ? sanitize_text_field(trim($body['choices'][0]['message']['content']))
	2164	+ : sanitize_text_field($user_query);
	2165	+}
1686	2166
1687		- // Check for a valid response and sanitize output
1688		- if (isset($body['choices'][0]['message']['content'])) {
1689		- $interpreted_query = sanitize_text_field(trim($body['choices'][0]['message']['content']));
	2167	+/**
	2168	+ * Interpret query using Claude models
	2169	+ */
	2170	+private function interpret_query_with_claude($user_query, $system_prompt, $api_key, $model) {
	2171	+ $url = 'https://api.anthropic.com/v1/messages';
	2172	+
	2173	+ $args = [
	2174	+ 'headers' => [
	2175	+ 'Content-Type' => 'application/json',
	2176	+ 'x-api-key' => $api_key,
	2177	+ 'anthropic-version' => '2023-06-01',
	2178	+ ],
	2179	+ 'body' => wp_json_encode([
	2180	+ 'model' => $model,
	2181	+ 'system' => $system_prompt,
	2182	+ 'messages' => [
	2183	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)]
	2184	+ ],
	2185	+ 'max_tokens' => 20,
	2186	+ 'temperature' => 0.2,
	2187	+ ]),
	2188	+ 'method' => 'POST',
	2189	+ 'timeout' => 15,
	2190	+ ];
1690	2191
1691		- /*
1692		- // Log the interpreted query for debugging
1693		- if (defined('WP_DEBUG') && WP_DEBUG) {
1694		- error_log("Interpreted search query: " . $interpreted_query);
1695		- }
1696		- */
1697		-
1698		- return $interpreted_query;
1699		- } else {
1700		- //error_log("Unexpected API response format: " . print_r($body, true));
	2192	+ $response = wp_remote_post($url, $args);
	2193	+ if (is_wp_error($response)) {
1701	2194	return sanitize_text_field($user_query);
1702	2195	}
1703		-}
1704	2196
1705		-public function mxchat_handle_add_to_cart_intent($message, $user_id, $session_id) {
1706		- //error_log("ADD TO CART START - Message: $message, User ID: $user_id");
1707		-
1708		- if (!class_exists('WooCommerce')) {
1709		- //error_log("WooCommerce not available");
1710		- return $this->generate_intent_response([
1711		- 'intent' => 'add_to_cart',
1712		- 'status' => 'error',
1713		- 'reason' => esc_html__('woocommerce_not_available', 'mxchat')
1714		- ], $session_id);
1715		- }
1716		-
1717		- $sanitized_user_id = sanitize_key($user_id);
1718		- // error_log("Sanitized User ID: $sanitized_user_id");
1719		- $product_id = null;
1720		-
1721		- // If button click, use transient
1722		- if ($message === '!addtocart') {
1723		- //error_log("Button click detected - using transient");
1724		- $product_id = get_transient('mxchat_last_discussed_product_' . $sanitized_user_id);
1725		- //error_log("Product ID from transient: " . ($product_id ?? 'null'));
1726		- } else {
1727		- // For text commands, search message first
1728		- //error_log("Text command detected - searching message first");
1729		- $product_id = $this->find_product_in_message($message);
1730		- //error_log("Product ID from message search: " . ($product_id ?? 'null'));
1731		-
1732		- // Only use transient as fallback if no product found in message
1733		- if (!$product_id) {
1734		- //error_log("No product found in message, checking transient as fallback");
1735		- $product_id = get_transient('mxchat_last_discussed_product_' . $sanitized_user_id);
1736		- //error_log("Product ID from transient fallback: " . ($product_id ?? 'null'));
1737		- }
1738		- }
1739		-
1740		- // Handle no product found
1741		- if (!$product_id) {
1742		- //error_log("No product ID found through any method");
1743		- return $this->generate_intent_response([
1744		- 'intent' => 'add_to_cart',
1745		- 'status' => 'error',
1746		- 'reason' => esc_html__('no_product_context', 'mxchat'),
1747		- 'action_needed' => esc_html__('request_product_name', 'mxchat'),
1748		- 'searched_message' => $message
1749		- ], $session_id);
1750		- }
1751		-
1752		- // Get and verify product
1753		- $product = wc_get_product($product_id);
1754		- if (!$product) {
1755		- //error_log("Product not found with ID: $product_id");
1756		- return $this->generate_intent_response([
1757		- 'intent' => 'add_to_cart',
1758		- 'status' => 'error',
1759		- 'reason' => esc_html__('product_not_found', 'mxchat'),
1760		- 'product_id' => $product_id
1761		- ], $session_id);
1762		- }
1763		-
1764		- //error_log("Found product: " . $product->get_name() . " (ID: $product_id)");
1765		-
1766		- // Add to cart
1767		- $added = WC()->cart->add_to_cart($product_id);
1768		- if ($added) {
1769		- //error_log("Successfully added to cart: " . $product->get_name());
1770		- return $this->generate_intent_response([
1771		- 'intent' => 'add_to_cart',
1772		- 'status' => 'success',
1773		- 'product' => [
1774		- 'name' => $product->get_name(),
1775		- 'id' => $product_id
1776		- ],
1777		- 'cart_url' => wc_get_cart_url(),
1778		- 'available_actions' => [
1779		- esc_html__('view_cart', 'mxchat'),
1780		- esc_html__('checkout', 'mxchat'),
1781		- esc_html__('continue_shopping', 'mxchat')
1782		- ]
1783		- ], $session_id);
1784		- } else {
1785		- //error_log("Failed to add to cart: " . $product->get_name());
1786		- return $this->generate_intent_response([
1787		- 'intent' => 'add_to_cart',
1788		- 'status' => 'error',
1789		- 'reason' => esc_html__('add_to_cart_failed', 'mxchat'),
1790		- 'product' => [
1791		- 'name' => $product->get_name(),
1792		- 'id' => $product_id
1793		- ]
1794		- ], $session_id);
1795		- }
	2197	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2198	+ if (!empty($body['content'][0]['text'])) {
	2199	+ return sanitize_text_field(trim($body['content'][0]['text']));
	2200	+ }
	2201	+
	2202	+ return sanitize_text_field($user_query);
1796	2203	}
1797		-private function find_product_in_message($message) {
1798		- global $wpdb;
1799	2204
1800		- // Get embedding for the search query
1801		- $query_embedding = $this->mxchat_generate_embedding($message, $this->options['api_key']);
1802		- if (!is_array($query_embedding)) {
1803		- return null;
	2205	+/**
	2206	+ * Interpret query using Gemini models
	2207	+ */
	2208	+private function interpret_query_with_gemini($user_query, $system_prompt, $api_key, $model) {
	2209	+ // Strip "gemini-" prefix for the API
	2210	+ $model_version = str_replace('gemini-', '', $model);
	2211	+
	2212	+ $url = "https://generativelanguage.googleapis.com/v1/models/$model_version:generateContent?key=" . urlencode($api_key);
	2213	+
	2214	+ $args = [
	2215	+ 'headers' => [
	2216	+ 'Content-Type' => 'application/json',
	2217	+ ],
	2218	+ 'body' => wp_json_encode([
	2219	+ 'contents' => [
	2220	+ [
	2221	+ 'role' => 'user',
	2222	+ 'parts' => [
	2223	+ ['text' => $system_prompt . "\n\nQuery: " . sanitize_text_field($user_query)]
	2224	+ ]
	2225	+ ]
	2226	+ ],
	2227	+ 'generationConfig' => [
	2228	+ 'temperature' => 0.2,
	2229	+ 'maxOutputTokens' => 20,
	2230	+ ],
	2231	+ ]),
	2232	+ 'method' => 'POST',
	2233	+ 'timeout' => 15,
	2234	+ ];
	2235	+
	2236	+ $response = wp_remote_post($url, $args);
	2237	+ if (is_wp_error($response)) {
	2238	+ return sanitize_text_field($user_query);
1804	2239	}
1805		-
1806		- // Get relevant content as string
1807		- $relevant_content = $this->mxchat_find_relevant_products($query_embedding);
1808		- if (empty($relevant_content)) {
1809		- // Return null to indicate no results and set fallback response
1810		- $this->fallbackResponse['text'] = esc_html__("I couldn't find any relevant products based on your query. Could you please be more specific about the product you're looking for?", 'mxchat');
1811		- return null;
	2240	+
	2241	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2242	+ if (!empty($body['candidates'][0]['content']['parts'][0]['text'])) {
	2243	+ return sanitize_text_field(trim($body['candidates'][0]['content']['parts'][0]['text']));
1812	2244	}
	2245	+
	2246	+ return sanitize_text_field($user_query);
	2247	+}
1813	2248
1814		- // Extract product URLs from the content
1815		- preg_match_all('/https?:\/\/[^\s<>"\']+?\/product\/[^\s<>"\']+/', $relevant_content, $matches);
1816		-
1817		- if (!empty($matches[0])) {
1818		- // Try each URL found
1819		- foreach ($matches[0] as $url) {
1820		- // Clean the URL
1821		- $url = rtrim($url, '/."\']');
1822		-
1823		- // Get the product slug
1824		- $path = parse_url($url, PHP_URL_PATH);
1825		- $slug = basename(rtrim($path, '/'));
1826		-
1827		- // Find product by slug
1828		- $args = array(
1829		- 'post_type' => 'product',
1830		- 'post_status' => 'publish',
1831		- 'name' => $slug,
1832		- 'posts_per_page' => 1
1833		- );
1834		-
1835		- $products = get_posts($args);
1836		-
1837		- if (!empty($products)) {
1838		- $product_id = $products[0]->ID;
1839		- $product = wc_get_product($product_id);
1840		-
1841		- if ($product && $product->is_purchasable()) {
1842		- return $product_id;
1843		- }
1844		- }
1845		- }
	2249	+/**
	2250	+ * Interpret query using X.AI (Grok) models
	2251	+ */
	2252	+private function interpret_query_with_xai($user_query, $system_prompt, $api_key, $model) {
	2253	+ $url = 'https://api.xai.com/v1/chat/completions';
	2254	+
	2255	+ $args = [
	2256	+ 'headers' => [
	2257	+ 'Content-Type' => 'application/json',
	2258	+ 'Authorization' => 'Bearer ' . $api_key,
	2259	+ ],
	2260	+ 'body' => wp_json_encode([
	2261	+ 'model' => $model,
	2262	+ 'messages' => [
	2263	+ ['role' => 'system', 'content' => $system_prompt],
	2264	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)],
	2265	+ ],
	2266	+ 'temperature' => 0.2,
	2267	+ 'max_tokens' => 20,
	2268	+ ]),
	2269	+ 'method' => 'POST',
	2270	+ 'timeout' => 15,
	2271	+ ];
	2272	+
	2273	+ $response = wp_remote_post($url, $args);
	2274	+ if (is_wp_error($response)) {
	2275	+ return sanitize_text_field($user_query);
1846	2276	}
1847		-
1848		- // Fallback: Look for product names in the content
1849		- $products = wc_get_products([
1850		- 'status' => 'publish',
1851		- 'limit' => -1,
1852		- 'return' => 'all'
1853		- ]);
1854		-
1855		- foreach ($products as $product) {
1856		- $name = $product->get_name();
1857		- if (stripos($relevant_content, $name) !== false) {
1858		- if ($product->is_purchasable()) {
1859		- return $product->get_id();
1860		- }
1861		- }
	2277	+
	2278	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2279	+ if (isset($body['choices'][0]['message']['content'])) {
	2280	+ return sanitize_text_field(trim($body['choices'][0]['message']['content']));
1862	2281	}
1863		-
1864		- // If no product is found after all checks, set the fallback response
1865		- $this->fallbackResponse['text'] = esc_html__("I couldn't find any relevant products based on your query. Try to be more specific", 'mxchat');
1866		- return null;
	2282	+
	2283	+ return sanitize_text_field($user_query);
1867	2284	}
1868	2285
1869		-// New method to handle intent responses
1870		-private function generate_intent_response($context_content, $session_id) {
1871		- // Convert the context array to a structured string for the AI
1872		- $context_string = $this->format_intent_context($context_content);
1873		-
1874		- // Generate AI response using the context
1875		- $response = $this->mxchat_generate_response(
1876		- $context_string,
1877		- $this->options['api_key'],
1878		- $this->options['xai_api_key'],
1879		- $this->options['claude_api_key'],
1880		- $this->options['deepseek_api_key'],
1881		- $this->mxchat_fetch_conversation_history_for_ai($session_id)
1882		- );
1883		-
1884		- $this->fallbackResponse['text'] = $response;
1885		- return true;
1886		-}
1887		-// Helper method to format intent context
1888		-private function format_intent_context($context) {
1889		- $context_string = esc_html__("INTENT CONTEXT:\n", 'mxchat');
1890		-
1891		- switch ($context['intent']) {
1892		- case 'add_to_cart':
1893		- if ($context['status'] === 'success') {
1894		- $context_string .= esc_html__("Action: Successfully added product to cart\n", 'mxchat');
1895		- $context_string .= sprintf(esc_html__("Product: %s\n", 'mxchat'), $context['product']['name']);
1896		- $context_string .= esc_html__("Available actions: ", 'mxchat') . implode(', ', $context['available_actions']) . "\n";
1897		- $context_string .= sprintf(esc_html__("Cart URL: %s\n", 'mxchat'), $context['cart_url']);
1898		- $context_string .= esc_html__("\nPlease inform the user of the successful addition and their available options.", 'mxchat');
1899		- } else {
1900		- $context_string .= esc_html__("Action: Failed to add product to cart\n", 'mxchat');
1901		- $context_string .= sprintf(esc_html__("Reason: %s\n", 'mxchat'), $context['reason']);
1902		- switch ($context['reason']) {
1903		- case 'woocommerce_not_available':
1904		- $context_string .= esc_html__("\nPlease inform the user that shopping features are not available.", 'mxchat');
1905		- break;
1906		- case 'no_product_context':
1907		- $context_string .= esc_html__("\nPlease ask the user to specify which product they want to add.", 'mxchat');
1908		- break;
1909		- case 'product_not_found':
1910		- $context_string .= esc_html__("\nPlease inform the user that the product couldn't be found and ask them to try again.", 'mxchat');
1911		- break;
1912		- case 'add_to_cart_failed':
1913		- $context_string .= esc_html__("\nPlease apologize to the user and suggest they try again or ask for assistance.", 'mxchat');
1914		- break;
1915		- }
1916		- }
1917		- break;
	2286	+/**
	2287	+ * Interpret query using DeepSeek models
	2288	+ */
	2289	+private function interpret_query_with_deepseek($user_query, $system_prompt, $api_key, $model) {
	2290	+ $url = 'https://api.deepseek.com/v1/chat/completions';
	2291	+
	2292	+ $args = [
	2293	+ 'headers' => [
	2294	+ 'Content-Type' => 'application/json',
	2295	+ 'Authorization' => 'Bearer ' . $api_key,
	2296	+ ],
	2297	+ 'body' => wp_json_encode([
	2298	+ 'model' => $model,
	2299	+ 'messages' => [
	2300	+ ['role' => 'system', 'content' => $system_prompt],
	2301	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)],
	2302	+ ],
	2303	+ 'temperature' => 0.2,
	2304	+ 'max_tokens' => 20,
	2305	+ ]),
	2306	+ 'method' => 'POST',
	2307	+ 'timeout' => 15,
	2308	+ ];
	2309	+
	2310	+ $response = wp_remote_post($url, $args);
	2311	+ if (is_wp_error($response)) {
	2312	+ return sanitize_text_field($user_query);
1918	2313	}
1919		-
1920		- return $context_string;
1921		-}
1922		-
1923		-
1924		-public function mxchat_handle_checkout_intent($message, $user_id, $session_id) {
1925		- if (!class_exists('WooCommerce')) {
1926		- $this->fallbackResponse['text'] = esc_html__("I apologize, but the checkout feature isn't available at the moment.", 'mxchat');
1927		- return true;
	2314	+
	2315	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2316	+ if (isset($body['choices'][0]['message']['content'])) {
	2317	+ return sanitize_text_field(trim($body['choices'][0]['message']['content']));
1928	2318	}
1929		-
1930		- // Check if cart has items
1931		- if (WC()->cart->is_empty()) {
1932		- $this->fallbackResponse['text'] = esc_html__("Your cart is empty at the moment. Would you like to see our products?", 'mxchat');
1933		- return true;
1934		- }
1935		-
1936		- // Get cart summary
1937		- $cart_count = WC()->cart->get_cart_contents_count();
1938		- $cart_total = WC()->cart->get_total();
1939		-
1940		- // Get and validate checkout URL
1941		- $checkout_url = wc_get_checkout_url();
1942		- if (!$checkout_url) {
1943		- $this->fallbackResponse['text'] = esc_html__("I'm having trouble accessing the checkout page. Please try again in a moment.", 'mxchat');
1944		- return true;
1945		- }
1946		-
1947		- wp_send_json([
1948		- 'text' => sprintf(
1949		- esc_html__("You have %d item%s in your cart totaling %s. I'll redirect you to checkout now.", 'mxchat'),
1950		- $cart_count,
1951		- $cart_count > 1 ? esc_html__('s', 'mxchat') : '',
1952		- strip_tags($cart_total)
1953		- ),
1954		- 'redirect_url' => esc_url_raw($checkout_url)
1955		- ]);
1956		- wp_die();
	2319	+
	2320	+ return sanitize_text_field($user_query);
1957	2321	}
1958	2322
1959		-
1960	2323	//very good
1961	2324	private function add_email_to_loops($email) {
1962	2325	// Sanitize the email
1963	2326	$email = sanitize_email($email);
		@@ -2041,95 +2404,169 @@
2041	2404
2042	2405	// Default to proceeding with conversation if no specific PDF action is needed
2043	2406	$this->fallbackResponse['text'] = '';
2044	2407	}
	2408	+
	2409	+
	2410	+/**
	2411	+ * Enhanced fetch_and_split_pdf_pages with detailed debugging
	2412	+ */
2045	2413	private function fetch_and_split_pdf_pages($pdf_source, $max_pages) {
	2414	+ // CLEAR DEBUG LOGGING
	2415	+ //error_log("=== MXCHAT PDF PROCESSING START ===");
	2416	+ //error_log("PDF Source: " . $pdf_source);
	2417	+ //error_log("Max Pages: " . $max_pages);
	2418	+ //error_log("Session ID: " . ($this->session_id ?? 'not set'));
	2419	+
	2420	+ // Check if Advanced Claude Toolbar is available and enabled
	2421	+ $claude_available = function_exists('mxchatACT_is_advanced_claude_enabled');
	2422	+ $claude_enabled = $claude_available ? mxchatACT_is_advanced_claude_enabled() : false;
	2423	+
	2424	+ //error_log("Claude Function Available: " . ($claude_available ? 'YES' : 'NO'));
	2425	+ //error_log("Claude Enabled: " . ($claude_enabled ? 'YES' : 'NO'));
	2426	+
	2427	+ if ($claude_available && $claude_enabled) {
	2428	+ //error_log("🚀 ATTEMPTING CLAUDE PROCESSING...");
	2429	+
	2430	+ // Attempt Claude processing first
	2431	+ $claude_result = apply_filters('mxchat_process_pdf_advanced', false, $pdf_source, $max_pages, $this->session_id);
	2432	+
	2433	+ if ($claude_result !== false && is_array($claude_result) && !empty($claude_result)) {
	2434	+ //error_log("✅ CLAUDE PROCESSING SUCCESSFUL!");
	2435	+ //error_log("Claude returned " . count($claude_result) . " processed pages");
	2436	+
	2437	+ // Log first page details for verification
	2438	+ if (isset($claude_result[0])) {
	2439	+ $first_page = $claude_result[0];
	2440	+ //error_log("First page enhanced: " . (isset($first_page['enhanced']) && $first_page['enhanced'] ? 'YES' : 'NO'));
	2441	+ //error_log("Processing method: " . ($first_page['processing_method'] ?? 'not set'));
	2442	+ //error_log("First page text preview: " . substr($first_page['text'] ?? '', 0, 100) . "...");
	2443	+ }
	2444	+
	2445	+ //error_log("=== MXCHAT PDF PROCESSING END (CLAUDE) ===");
	2446	+ return $claude_result;
	2447	+ } else {
	2448	+ //error_log("❌ CLAUDE PROCESSING FAILED or returned invalid result");
	2449	+ //error_log("Claude result type: " . gettype($claude_result));
	2450	+ if (is_array($claude_result)) {
	2451	+ //error_log("Claude result count: " . count($claude_result));
	2452	+ }
	2453	+ }
	2454	+ }
	2455	+
	2456	+ // Fallback to basic processing
	2457	+ //error_log("🔄 FALLING BACK TO BASIC PDF PROCESSING...");
	2458	+
2046	2459	$upload_dir = wp_upload_dir();
2047	2460	$temp_file = null;
2048		-
	2461	+
2049	2462	try {
2050		- // Handle URL vs local file
	2463	+ // Your existing basic processing code here...
	2464	+ // (I'll include the key parts with debug logging)
	2465	+
2051	2466	if (filter_var($pdf_source, FILTER_VALIDATE_URL)) {
2052		- // Validate and download the file from URL
2053		- $temp_file = wp_tempnam($pdf_source); // Safe temporary file name
2054		- $response = wp_remote_get($pdf_source, ['timeout' => 60]);
2055		-
	2467	+ //error_log("Downloading PDF from URL...");
	2468	+ $temp_file = wp_tempnam($pdf_source);
	2469	+ $response = wp_remote_get($pdf_source, [
	2470	+ 'timeout' => 60,
	2471	+ 'headers' => ['User-Agent' => 'MxChat PDF Processor']
	2472	+ ]);
	2473	+
2056	2474	if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) {
2057		- //error_log(esc_html__("Failed to download PDF. Error: ", 'mxchat') . print_r($response, true));
	2475	+ $error_message = is_wp_error($response) ? $response->get_error_message() : 'HTTP ' . wp_remote_retrieve_response_code($response);
	2476	+ //error_log("❌ BASIC PROCESSING: Failed to download PDF: " . $error_message);
2058	2477	return false;
2059	2478	}
2060		-
	2479	+
2061	2480	file_put_contents($temp_file, wp_remote_retrieve_body($response));
2062		-
2063		- // Validate that the downloaded file is a PDF
2064		- $mime_type = mime_content_type($temp_file);
2065		- if ($mime_type !== 'application/pdf') {
2066		- //error_log(esc_html__("Invalid MIME type detected for PDF: ", 'mxchat') . $mime_type);
2067		- unlink($temp_file);
2068		- return false;
2069		- }
	2481	+ //error_log("✅ PDF downloaded successfully");
2070	2482	} else {
2071		- // For local files, use the provided path directly
2072	2483	$temp_file = $pdf_source;
	2484	+ //error_log("Using local PDF file: " . $temp_file);
2073	2485	}
2074		-
2075		- // Parse and process the PDF
	2486	+
	2487	+ // Parse PDF
	2488	+ //error_log("Parsing PDF with basic parser...");
2076	2489	$parser = new \Smalot\PdfParser\Parser();
2077	2490	$pdf = $parser->parseFile($temp_file);
2078	2491	$pages = $pdf->getPages();
2079		-
	2492	+
	2493	+ //error_log("PDF contains " . count($pages) . " pages");
	2494	+
2080	2495	if (count($pages) > $max_pages) {
2081		- //error_log(esc_html__("PDF exceeds the maximum allowed pages: ", 'mxchat') . count($pages));
2082		- if (filter_var($pdf_source, FILTER_VALIDATE_URL)) {
	2496	+ //error_log("❌ BASIC PROCESSING: Too many pages (" . count($pages) . " > " . $max_pages . ")");
	2497	+ if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file) {
2083	2498	unlink($temp_file);
2084	2499	}
2085		- return esc_html__('too_many_pages', 'mxchat');
	2500	+ return 'too_many_pages';
2086	2501	}
2087		-
	2502	+
2088	2503	$embeddings = [];
	2504	+ $processed_pages = 0;
	2505	+
2089	2506	foreach ($pages as $page_number => $page) {
2090	2507	$text = $page->getText();
2091		-
2092		- // Ensure text is non-empty before generating embeddings
	2508	+
2093	2509	if (empty(trim($text))) {
2094		- //error_log(esc_html__("Skipping empty page: ", 'mxchat') . ($page_number + 1));
	2510	+ //error_log("Skipping empty page: " . ($page_number + 1));
2095	2511	continue;
2096	2512	}
2097		-
	2513	+
	2514	+ $text = $this->mxchat_clean_text($text);
	2515	+
2098	2516	$embedding = $this->mxchat_generate_embedding(
2099		- esc_html__("Page ", 'mxchat') . ($page_number + 1) . ": " . $text,
	2517	+ __("Page ", 'mxchat') . ($page_number + 1) . ": " . $text,
2100	2518	$this->options['api_key']
2101	2519	);
2102		-
	2520	+
2103	2521	if ($embedding) {
2104	2522	$embeddings[] = [
2105	2523	'page_number' => $page_number + 1,
2106	2524	'embedding' => $embedding,
2107	2525	'text' => $text,
	2526	+ 'enhanced' => false, // CLEARLY MARK AS BASIC
	2527	+ 'processing_method' => 'basic_pdf_parser'
2108	2528	];
2109		- } else {
2110		- //error_log(esc_html__("Failed to generate embedding for page ", 'mxchat') . ($page_number + 1));
	2529	+ $processed_pages++;
2111	2530	}
2112	2531	}
2113		-
2114		- // Clean up downloaded file if it was from URL
2115		- if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file) {
	2532	+
	2533	+ //error_log("✅ BASIC PROCESSING COMPLETE: " . $processed_pages . " pages processed");
	2534	+
	2535	+ // Cleanup
	2536	+ if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file && file_exists($temp_file)) {
2116	2537	unlink($temp_file);
2117	2538	}
2118		-
	2539	+
	2540	+ //error_log("=== MXCHAT PDF PROCESSING END (BASIC) ===");
2119	2541	return $embeddings;
2120		-
	2542	+
2121	2543	} catch (\Exception $e) {
2122		- // error_log(esc_html__("Error parsing or processing PDF: ", 'mxchat') . $e->getMessage());
2123		-
2124		- // Cleanup in case of exception
	2544	+ //error_log("❌ BASIC PROCESSING ERROR: " . $e->getMessage());
2125	2545	if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file && file_exists($temp_file)) {
2126	2546	unlink($temp_file);
2127	2547	}
2128		-
	2548	+ //error_log("=== MXCHAT PDF PROCESSING END (ERROR) ===");
2129	2549	return false;
2130	2550	}
2131	2551	}
	2552	+
	2553	+private function mxchat_clean_text($text) {
	2554	+ // Remove excessive whitespace
	2555	+ $text = preg_replace('/\s+/', ' ', $text);
	2556	+
	2557	+ // Remove control characters except newlines and tabs
	2558	+ $text = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/', '', $text);
	2559	+
	2560	+ // Normalize line endings
	2561	+ $text = str_replace(["\r\n", "\r"], "\n", $text);
	2562	+
	2563	+ // Trim whitespace
	2564	+ $text = trim($text);
	2565	+
	2566	+ return $text;
	2567	+}
	2568	+
2132	2569	private function find_relevant_pdf_pages($query_embedding, $embeddings) {
2133	2570	//error_log(esc_html__("find_relevant_pdf_pages called.", 'mxchat'));
2134	2571
2135	2572	$most_relevant = null;
		@@ -2250,408 +2687,10 @@
2250	2687	wp_die();
2251	2688	}
2252	2689
2253	2690
2254		-/**
2255		- * Calls the AI API with the provided prompt.
2256		- *
2257		- * @param string $prompt The prompt to send to the AI.
2258		- * @return array An array containing the AI's response text.
2259		- */
2260		-private function mxchat_call_ai_api( $prompt ) {
2261		- //error_log( esc_html__( 'Calling AI API with the provided prompt.', 'mxchat' ) );
2262	2691
2263		- $api_key = $this->options['api_key'];
2264		- if ( empty( $api_key ) ) {
2265		- //error_log( esc_html__( 'API key is not set.', 'mxchat' ) );
2266		- return [ 'text' => esc_html__( 'API key is not set.', 'mxchat' ) ];
2267		- }
2268	2692
2269		- $url = 'https://api.openai.com/v1/chat/completions';
2270		- $messages = [
2271		- [
2272		- 'role' => 'system',
2273		- 'content' => __( 'You are a helpful assistant that provides concise and personalized product recommendations. Someone has asked you for some recommendations please respond very concisely appropriate for an AI chatbot.', 'mxchat' ),
2274		- ],
2275		- [
2276		- 'role' => 'user',
2277		- 'content' => $prompt,
2278		- ],
2279		- ];
2280		-
2281		- $args = [
2282		- 'headers' => [
2283		- 'Authorization' => 'Bearer ' . $api_key,
2284		- 'Content-Type' => 'application/json',
2285		- ],
2286		- 'body' => wp_json_encode(
2287		- [
2288		- 'model' => 'gpt-4o',
2289		- 'messages' => $messages,
2290		- 'temperature' => 0.7,
2291		- ]
2292		- ),
2293		- 'timeout' => 10,
2294		- 'method' => 'POST',
2295		- ];
2296		-
2297		- $response = wp_remote_post( $url, $args );
2298		-
2299		- if ( is_wp_error( $response ) ) {
2300		- //error_log( esc_html__( 'Error communicating with AI API: ', 'mxchat' ) . $response->get_error_message() );
2301		- return [ 'text' => esc_html__( 'Error communicating with AI API.', 'mxchat' ) ];
2302		- }
2303		-
2304		- $body = wp_remote_retrieve_body( $response );
2305		- //error_log( esc_html__( 'API response body: ', 'mxchat' ) . $body );
2306		-
2307		- $decoded_body = json_decode( $body, true );
2308		- if ( isset( $decoded_body['choices'][0]['message']['content'] ) ) {
2309		- return [ 'text' => $decoded_body['choices'][0]['message']['content'] ];
2310		- } else {
2311		- //error_log( esc_html__( 'Unexpected API response format: ', 'mxchat' ) . wp_json_encode( $decoded_body ) );
2312		- return [ 'text' => esc_html__( 'No response received from AI.', 'mxchat' ) ];
2313		- }
2314		-}
2315		-
2316		-/**
2317		- * Fetches the AI response for the given prompt.
2318		- *
2319		- * @param string $prompt The prompt to send to the AI.
2320		- * @return string|null The AI's response text or null if not available.
2321		- */
2322		-private function mxchat_fetch_ai_response( $prompt ) {
2323		- $response = $this->mxchat_call_ai_api( $prompt );
2324		- return isset( $response['text'] ) ? $response['text'] : null;
2325		-}
2326		-/**
2327		- * Generates the AI prompt for product recommendations.
2328		- *
2329		- * @param array $recommendations An array of product recommendations.
2330		- * @return string The generated AI prompt.
2331		- */
2332		-private function mxchat_generate_ai_recommendation_prompt($recommendations) {
2333		- $recommendation_list = '';
2334		- foreach ($recommendations as $index => $rec) {
2335		- $number = $index + 1;
2336		- $name = $rec['name'];
2337		- $price = $rec['price'];
2338		- $url = $rec['url'];
2339		- $image = $rec['image'];
2340		- $recommendation_list .= "{$number}. " . esc_html__('Product:', 'mxchat') . " {$name} (" . esc_html__('Price:', 'mxchat') . " \\${$price})\n";
2341		- $recommendation_list .= " [Link]({$url})\n";
2342		- $recommendation_list .= " \n\n";
2343		- }
2344		-
2345		- $prompt = esc_html__('Based on the following list of products, generate a unique, friendly, and personalized response to a user. ', 'mxchat');
2346		- $prompt .= esc_html__('If some products aren\'t exactly what the user asked for but share similar styles or patterns, acknowledge this and explain why you\'re suggesting them. ', 'mxchat');
2347		- $prompt .= esc_html__('For each product, provide a brief justification that clearly explains why it\'s relevant, especially if it\'s a different type of product than requested. ', 'mxchat');
2348		- $prompt .= esc_html__('Please number your responses to match the product numbers.', 'mxchat') . "\n\n";
2349		- $prompt .= esc_html__('Products:', 'mxchat') . "\n\n{$recommendation_list}";
2350		- $prompt .= esc_html__('Please ensure that the number of each product matches the order in which the products are listed.', 'mxchat');
2351		-
2352		- return $prompt;
2353		-}
2354		-private function mxchat_generate_recommendations($user_id, $message) {
2355		- // 1. Gather user context
2356		- $user_context = $this->mxchat_get_user_context($user_id);
2357		-
2358		- // Get cart item IDs for filtering
2359		- $cart_item_ids = [];
2360		- if (!empty($user_context['cart_items'])) {
2361		- $cart_item_ids = array_map(function($item) {
2362		- return $item['product_id'];
2363		- }, $user_context['cart_items']);
2364		- }
2365		-
2366		- // 2. Get AI recommendation based on context
2367		- $ai_suggestion = $this->mxchat_get_ai_shopping_suggestion($message, $user_context);
2368		- //error_log("AI Shopping Suggestion: " . $ai_suggestion);
2369		-
2370		- // 3. Generate embedding for the AI suggestion
2371		- $suggestion_embedding = $this->mxchat_generate_embedding($ai_suggestion, $this->options['api_key']);
2372		- if (!$suggestion_embedding) {
2373		- //error_log("Could not generate embedding for AI suggestion");
2374		- return ['recommendations' => [], 'sources' => []];
2375		- }
2376		-
2377		- // 4. Use existing relevant content function to find matches
2378		- $relevant_content = $this->mxchat_find_relevant_content($suggestion_embedding);
2379		-
2380		- // 5. Extract product URLs from the relevant content
2381		- preg_match_all('/https?:\/\/[^\s<>"\']+?\/product\/[^\s<>"\']+/', $relevant_content, $matches);
2382		-
2383		- $found_products = [];
2384		- if (!empty($matches[0])) {
2385		- foreach ($matches[0] as $url) {
2386		- // Clean the URL
2387		- $url = rtrim($url, '/."\']');
2388		-
2389		- // Get the product slug
2390		- $path = parse_url($url, PHP_URL_PATH);
2391		- $slug = basename(rtrim($path, '/'));
2392		-
2393		- // Find product by slug
2394		- $args = array(
2395		- 'post_type' => 'product',
2396		- 'post_status' => 'publish',
2397		- 'name' => $slug,
2398		- 'posts_per_page' => 1
2399		- );
2400		-
2401		- $products = get_posts($args);
2402		-
2403		- if (!empty($products)) {
2404		- $product_id = $products[0]->ID;
2405		-
2406		- // Skip if product is in cart
2407		- if (in_array($product_id, $cart_item_ids)) {
2408		- //error_log("Skipping product ID $product_id - already in cart");
2409		- continue;
2410		- }
2411		-
2412		- $product = wc_get_product($product_id);
2413		-
2414		- if ($product && $product->is_purchasable() && !in_array($product_id, array_map(function($p) {
2415		- return $p->get_id();
2416		- }, $found_products))) {
2417		- $found_products[] = $product;
2418		- }
2419		- }
2420		- }
2421		- }
2422		-
2423		- // If no products found by URLs, look for product names in the content
2424		- if (empty($found_products)) {
2425		- $products = wc_get_products([
2426		- 'status' => 'publish',
2427		- 'limit' => -1,
2428		- 'return' => 'objects'
2429		- ]);
2430		-
2431		- foreach ($products as $product) {
2432		- // Skip if product is in cart
2433		- if (in_array($product->get_id(), $cart_item_ids)) {
2434		- continue;
2435		- }
2436		-
2437		- $name = $product->get_name();
2438		- if (stripos($relevant_content, $name) !== false) {
2439		- if ($product->is_purchasable() && !in_array($product->get_id(), array_map(function($p) {
2440		- return $p->get_id();
2441		- }, $found_products))) {
2442		- $found_products[] = $product;
2443		- }
2444		- }
2445		- }
2446		- }
2447		-
2448		- // Keep searching until we have 4 products or run out of options
2449		- $formatted_recommendations = [];
2450		- foreach ($found_products as $product) {
2451		- if (count($formatted_recommendations) >= 4) break;
2452		-
2453		- $formatted_recommendations[] = [
2454		- 'name' => $product->get_name(),
2455		- 'price' => $product->get_price(),
2456		- 'url' => get_permalink($product->get_id()),
2457		- 'image' => wp_get_attachment_url($product->get_image_id())
2458		- ];
2459		- }
2460		-
2461		- return [
2462		- 'recommendations' => $formatted_recommendations,
2463		- 'sources' => [__('AI-powered personalized recommendations', 'mxchat')]
2464		- ];
2465		-}
2466		-private function mxchat_get_ai_shopping_suggestion($message, $user_context) {
2467		- $prompt = esc_html__("As a shopping assistant, analyze this user's context and generate a specific product search suggestion. ", 'mxchat');
2468		- $prompt .= esc_html__("User's Question: \"{$message}\"\n\n", 'mxchat');
2469		-
2470		- if (!empty($user_context['order_history'])) {
2471		- $prompt .= esc_html__("Their recent orders include:\n", 'mxchat');
2472		- foreach ($user_context['order_history'] as $order) {
2473		- $prompt .= esc_html__("- {$order['name']} ({$order['date']})\n", 'mxchat');
2474		- }
2475		- }
2476		-
2477		- if (!empty($user_context['cart_items'])) {
2478		- $prompt .= esc_html__("\nThey currently have in their cart:\n", 'mxchat');
2479		- foreach ($user_context['cart_items'] as $item) {
2480		- $prompt .= esc_html__("- {$item['name']}\n", 'mxchat');
2481		- }
2482		- }
2483		-
2484		- $prompt .= esc_html__("\nBased on their question and history, suggest a specific search query that would help find the most relevant products. ", 'mxchat');
2485		- $prompt .= esc_html__("Respond with ONLY the search query, nothing else.", 'mxchat');
2486		-
2487		- $response = $this->mxchat_call_ai_api($prompt);
2488		- return isset($response['text']) ? trim($response['text']) : $message;
2489		-}
2490		-public function mxchat_handle_product_recommendations($message, $user_id, $session_id) {
2491		- try {
2492		- //error_log("Starting product recommendations for user: $user_id, session: $session_id");
2493		-
2494		- // Pass the message to get context-aware recommendations
2495		- $recommendation_data = $this->mxchat_generate_recommendations($user_id, $message);
2496		- //error_log('Generated recommendation data: ' . wp_json_encode($recommendation_data));
2497		-
2498		- if (empty($recommendation_data['recommendations'])) {
2499		- //error_log("No recommendations found for user: $user_id");
2500		- $this->fallbackResponse = [
2501		- 'text' => __("I couldn't find any product recommendations for you right now. Please try again later!", 'mxchat'),
2502		- ];
2503		- return;
2504		- }
2505		-
2506		- // Remove duplicates and limit to top 4 recommendations
2507		- $unique_recommendations = [];
2508		- foreach ($recommendation_data['recommendations'] as $rec) {
2509		- $unique_recommendations[$rec['url']] = $rec;
2510		- }
2511		-
2512		- $unique_recommendations = array_slice($unique_recommendations, 0, 4);
2513		- //error_log('Top 4 recommendations: ' . wp_json_encode($unique_recommendations));
2514		-
2515		- $recommendations_summary = [];
2516		- foreach ($unique_recommendations as $rec) {
2517		- $recommendations_summary[] = [
2518		- 'name' => $rec['name'],
2519		- 'price' => strip_tags($rec['price']),
2520		- 'url' => $rec['url'],
2521		- 'image' => $rec['image'],
2522		- ];
2523		- }
2524		-
2525		- // Generate AI prompt and fetch response
2526		- $ai_prompt = $this->mxchat_generate_ai_recommendation_prompt($recommendations_summary);
2527		- $ai_response = $this->mxchat_fetch_ai_response($ai_prompt);
2528		-
2529		- if (empty($ai_response)) {
2530		- $this->fallbackResponse = [
2531		- 'text' => __('An unexpected error occurred while generating recommendations. Please try again later.', 'mxchat'),
2532		- ];
2533		- return;
2534		- }
2535		-
2536		- // Split the AI's response into lines
2537		- $ai_lines = preg_split('/\r\n|\r|\n/', $ai_response);
2538		-
2539		- // Initialize variables
2540		- $formatted_response = '';
2541		- $justifications = [];
2542		- $current_number = 0;
2543		- $in_introduction = true;
2544		- $introduction = '';
2545		-
2546		- // Parse the AI response to separate the introduction and the justifications
2547		- foreach ($ai_lines as $line) {
2548		- if (preg_match('/^\s*(\d+)\.\s*(.*)$/', $line, $matches)) {
2549		- // This line is a numbered justification
2550		- $current_number = intval($matches[1]) - 1;
2551		- $justifications[$current_number] = $matches[2];
2552		- $in_introduction = false;
2553		- } elseif ($in_introduction) {
2554		- // This line is part of the introduction
2555		- $introduction .= $line . ' ';
2556		- } else {
2557		- // This line is a continuation of the current justification
2558		- if (isset($justifications[$current_number])) {
2559		- $justifications[$current_number] .= ' ' . $line;
2560		- }
2561		- }
2562		- }
2563		-
2564		- // Build the formatted response
2565		- if (!empty($introduction)) {
2566		- $formatted_response .= esc_html(trim($introduction)) . "<br><br>";
2567		- }
2568		-
2569		- foreach ($recommendations_summary as $index => $rec) {
2570		- $name = esc_html($rec['name']);
2571		- $price = number_format((float)$rec['price'], 2, '.', '');
2572		- $url = esc_url($rec['url']);
2573		- $image = esc_url($rec['image']);
2574		-
2575		- $formatted_response .= ($index + 1) . ". <strong>" . $name . "</strong> - <strong>$" . $price . "</strong><br>";
2576		- $formatted_response .= "<img src=\"{$image}\" alt=\"{$name}\" style=\"max-width: 200px; height: auto; display: block; margin: 10px 0;\" /><br>";
2577		-
2578		- if (isset($justifications[$index])) {
2579		- $formatted_response .= "<em>" . esc_html(trim($justifications[$index])) . "</em><br><br>";
2580		- }
2581		- }
2582		-
2583		- $this->fallbackResponse = [
2584		- 'text' => $formatted_response,
2585		- ];
2586		- //error_log('Final formatted response set.');
2587		- } catch (Exception $e) {
2588		- //error_log('Error in mxchat_handle_product_recommendations: ' . $e->getMessage());
2589		- $this->fallbackResponse = [
2590		- 'text' => __('An unexpected error occurred while generating recommendations. Please try again later.', 'mxchat'),
2591		- ];
2592		- }
2593		-}
2594		-private function mxchat_get_user_context($user_id) {
2595		- $context = [
2596		- 'order_history' => [],
2597		- 'cart_items' => [],
2598		- 'recently_viewed' => [],
2599		- ];
2600		-
2601		- // Get order history
2602		- if (is_user_logged_in() && $user_id) {
2603		- $orders = wc_get_orders([
2604		- 'customer_id' => $user_id,
2605		- 'limit' => 5, // Last 5 orders
2606		- 'orderby' => 'date',
2607		- 'order' => 'DESC',
2608		- ]);
2609		-
2610		- foreach ($orders as $order) {
2611		- foreach ($order->get_items() as $item) {
2612		- $context['order_history'][] = [
2613		- 'name' => $item->get_name(),
2614		- 'product_id' => $item->get_product_id(),
2615		- 'date' => $order->get_date_created()->format('Y-m-d')
2616		- ];
2617		- }
2618		- }
2619		- }
2620		-
2621		- // Get cart items
2622		- if (WC()->cart && WC()->cart->get_cart_contents_count() > 0) {
2623		- foreach (WC()->cart->get_cart() as $cart_item) {
2624		- $product = wc_get_product($cart_item['product_id']);
2625		- if ($product) {
2626		- $context['cart_items'][] = [
2627		- 'name' => $product->get_name(),
2628		- 'product_id' => $product->get_id()
2629		- ];
2630		- }
2631		- }
2632		- }
2633		-
2634		- // Get recently viewed items from session
2635		- $viewed_products = WC()->session->get('recently_viewed_products', []);
2636		- foreach ($viewed_products as $product_id) {
2637		- $product = wc_get_product($product_id);
2638		- if ($product) {
2639		- $context['recently_viewed'][] = [
2640		- 'name' => $product->get_name(),
2641		- 'product_id' => $product->get_id()
2642		- ];
2643		- }
2644		- }
2645		-
2646		- return $context;
2647		-}
2648		-
2649		-
2650		-
2651		-
2652		-
2653		-
2654	2693	function mxchat_fetch_new_messages() {
2655	2694	$session_id = sanitize_text_field($_POST['session_id']);
2656	2695	$last_seen_id = sanitize_text_field($_POST['last_seen_id']);
2657	2696	$persistence_enabled = $_POST['persistence_enabled'] === 'true';
		@@ -2685,10 +2724,8 @@
2685	2724	'new_messages' => array_values($new_messages)
2686	2725	]);
2687	2726	wp_die();
2688	2727	}
2689		-
2690		-
2691	2728	public function mxchat_live_agent_handover($message, $user_id, $session_id) {
2692	2729	// First check if live agents are available
2693	2730	$live_agent_available = $this->options['live_agent_status'] ?? 'off';
2694	2731	if ($live_agent_available !== 'on') {
		@@ -2707,18 +2744,101 @@
2707	2744	]);
2708	2745	wp_die();
2709	2746	}
2710	2747
2711		- $slack_webhook_url = $this->options['live_agent_webhook_url'] ?? '';
2712		- if (empty($slack_webhook_url)) {
	2748	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	2749	+
	2750	+ if (empty($slack_bot_token)) {
2713	2751	return false;
2714	2752	}
2715	2753
2716		- // Get recent chat history (last 5 messages)
	2754	+ // Check if channel already exists for this session
	2755	+ $channel_id = get_option("mxchat_channel_{$session_id}", '');
	2756	+
	2757	+ if (empty($channel_id)) {
	2758	+ // Create new channel with session ID as name
	2759	+ $channel_name = $this->generate_channel_name($session_id);
	2760	+
	2761	+ //error_log("Attempting to create channel: $channel_name");
	2762	+
	2763	+ $response = wp_remote_post('https://slack.com/api/conversations.create', [
	2764	+ 'headers' => [
	2765	+ 'Content-Type' => 'application/json',
	2766	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	2767	+ ],
	2768	+ 'body' => json_encode([
	2769	+ 'name' => $channel_name,
	2770	+ 'is_private' => false // Public channel - anyone in workspace can join
	2771	+ ])
	2772	+ ]);
	2773	+
	2774	+ if (!is_wp_error($response)) {
	2775	+ $response_body = wp_remote_retrieve_body($response);
	2776	+ $response_data = json_decode($response_body, true);
	2777	+
	2778	+ //error_log("Channel creation response: " . $response_body);
	2779	+
	2780	+ if (isset($response_data['ok']) && $response_data['ok']) {
	2781	+ $channel_id = $response_data['channel']['id'];
	2782	+ $actual_channel_name = $response_data['channel']['name'] ?? 'unknown';
	2783	+ //error_log("Channel created successfully: ID=$channel_id, Name=$actual_channel_name");
	2784	+ update_option("mxchat_channel_{$session_id}", $channel_id);
	2785	+
	2786	+ // Auto-invite agents to the channel
	2787	+ $agent_user_ids = $this->options['live_agent_user_ids'] ?? '';
	2788	+
	2789	+ if (!empty($agent_user_ids)) {
	2790	+ // Parse user IDs (one per line)
	2791	+ $user_ids = array_filter(array_map('trim', explode("\n", $agent_user_ids)));
	2792	+
	2793	+ foreach ($user_ids as $user_id_to_invite) {
	2794	+ //error_log("Inviting user to channel: $user_id_to_invite");
	2795	+
	2796	+ $invite_response = wp_remote_post('https://slack.com/api/conversations.invite', [
	2797	+ 'headers' => [
	2798	+ 'Content-Type' => 'application/json',
	2799	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	2800	+ ],
	2801	+ 'body' => json_encode([
	2802	+ 'channel' => $channel_id,
	2803	+ 'users' => $user_id_to_invite
	2804	+ ])
	2805	+ ]);
	2806	+
	2807	+ if (!is_wp_error($invite_response)) {
	2808	+ $invite_body = wp_remote_retrieve_body($invite_response);
	2809	+ $invite_data = json_decode($invite_body, true);
	2810	+ //error_log("Invite response for $user_id_to_invite: " . $invite_body);
	2811	+
	2812	+ if (isset($invite_data['ok']) && $invite_data['ok']) {
	2813	+ //error_log("Successfully invited user $user_id_to_invite to channel");
	2814	+ } else {
	2815	+ //error_log("Failed to invite user $user_id_to_invite: " . ($invite_data['error'] ?? 'Unknown error'));
	2816	+ }
	2817	+ } else {
	2818	+ //error_log("WP Error inviting user $user_id_to_invite: " . $invite_response->get_error_message());
	2819	+ }
	2820	+ }
	2821	+ } else {
	2822	+ //error_log("No agent user IDs configured for auto-invite");
	2823	+ }
	2824	+ } else {
	2825	+ //error_log("Channel creation failed: " . ($response_data['error'] ?? 'Unknown error'));
	2826	+ }
	2827	+ } else {
	2828	+ //error_log("WP Error creating channel: " . $response->get_error_message());
	2829	+ }
	2830	+
	2831	+ if (empty($channel_id)) {
	2832	+ return false; // Failed to create channel
	2833	+ }
	2834	+ }
	2835	+
	2836	+ // Get recent chat history
2717	2837	$history = get_option("mxchat_history_{$session_id}", []);
2718		- $recent_history = array_slice($history, -5); // Get last 5 messages
	2838	+ $recent_history = array_slice($history, -5);
2719	2839
2720		- // Format conversation history
	2840	+ // Format conversation context
2721	2841	$conversation_context = "";
2722	2842	if (!empty($recent_history)) {
2723	2843	$conversation_context = "*Recent Conversation:*\n";
2724	2844	foreach ($recent_history as $hist_message) {
		@@ -2729,83 +2849,32 @@
2729	2849	}
2730	2850
2731	2851	update_option("mxchat_mode_{$session_id}", 'agent');
2732	2852
2733		- $webhook_data = [
2734		- 'blocks' => [
2735		- [
2736		- 'type' => 'header',
2737		- 'text' => [
2738		- 'type' => 'plain_text',
2739		- 'text' => '🔔 New Live Agent Request',
2740		- 'emoji' => true
2741		- ]
2742		- ],
2743		- [
2744		- 'type' => 'section',
2745		- 'fields' => [
2746		- [
2747		- 'type' => 'mrkdwn',
2748		- 'text' => sprintf('*User ID:*\n`%s`', $user_id)
2749		- ],
2750		- [
2751		- 'type' => 'mrkdwn',
2752		- 'text' => sprintf('*Session ID:*\n`%s`', $session_id)
2753		- ]
2754		- ]
2755		- ]
2756		- ]
2757		- ];
2758		-
2759		- // Add conversation history if exists
	2853	+ // Send message to channel
	2854	+ $channel_message = "🔔 *New Live Agent Request*\n\n";
	2855	+ $channel_message .= "*Session ID:* `{$session_id}`\n";
	2856	+ $channel_message .= "*User ID:* `{$user_id}`\n\n";
	2857	+
2760	2858	if (!empty($conversation_context)) {
2761		- $webhook_data['blocks'][] = [
2762		- 'type' => 'section',
2763		- 'text' => [
2764		- 'type' => 'mrkdwn',
2765		- 'text' => $conversation_context
2766		- ]
2767		- ];
	2859	+ $channel_message .= $conversation_context;
2768	2860	}
	2861	+
	2862	+ $channel_message .= "*Current Message:*\n{$message}\n\n";
	2863	+ $channel_message .= "_Reply directly in this channel - all messages will go to the user_";
2769	2864
2770		- // Add the current message
2771		- $webhook_data['blocks'][] = [
2772		- 'type' => 'section',
2773		- 'text' => [
2774		- 'type' => 'mrkdwn',
2775		- 'text' => sprintf('*Current Message:*\n%s', $message)
2776		- ]
2777		- ];
2778		-
2779		- // Add the reply button
2780		- $webhook_data['blocks'][] = [
2781		- 'type' => 'actions',
2782		- 'elements' => [
2783		- [
2784		- 'type' => 'button',
2785		- 'text' => [
2786		- 'type' => 'plain_text',
2787		- 'text' => '✍️ Reply',
2788		- 'emoji' => true
2789		- ],
2790		- 'value' => $session_id,
2791		- 'action_id' => 'reply_to_user',
2792		- 'style' => 'primary'
2793		- ]
2794		- ]
2795		- ];
2796		-
2797		- $response = wp_remote_post($slack_webhook_url, [
2798		- 'body' => json_encode($webhook_data),
	2865	+ wp_remote_post('https://slack.com/api/chat.postMessage', [
2799	2866	'headers' => [
2800	2867	'Content-Type' => 'application/json',
	2868	+ 'Authorization' => 'Bearer ' . $slack_bot_token
2801	2869	],
	2870	+ 'body' => json_encode([
	2871	+ 'channel' => $channel_id,
	2872	+ 'text' => $channel_message,
	2873	+ 'mrkdwn' => true
	2874	+ ])
2802	2875	]);
2803	2876
2804		- if (is_wp_error($response)) {
2805		- return false;
2806		- }
2807		-
2808	2877	$success_message = $this->options['live_agent_notification_message'] ?? 'Live agent has been notified.';
2809	2878	$this->mxchat_save_chat_message($session_id, 'bot', $success_message);
2810	2879
2811	2880	$this->fallbackResponse = [
		@@ -2824,79 +2893,145 @@
2824	2893	'fallbackResponse' => $this->fallbackResponse
2825	2894	]);
2826	2895	wp_die();
2827	2896	}
	2897	+
	2898	+private function generate_channel_name($session_id) {
	2899	+ $email = null;
	2900	+ $name = null;
	2901	+
	2902	+ // 1. First priority: Check if user is logged in and get their info
	2903	+ if (is_user_logged_in()) {
	2904	+ $current_user = wp_get_current_user();
	2905	+ if (!empty($current_user->user_email)) {
	2906	+ $email = $current_user->user_email;
	2907	+ //error_log("[DEBUG] Using logged-in user email for channel: {$email}");
	2908	+ }
	2909	+ if (!empty($current_user->display_name)) {
	2910	+ $name = $current_user->display_name;
	2911	+ //error_log("[DEBUG] Using logged-in user name for channel: {$name}");
	2912	+ }
	2913	+ }
	2914	+
	2915	+ // 2. Second priority: Check for saved email/name from "require email to chat" option
	2916	+ if (empty($email)) {
	2917	+ $email_option_key = "mxchat_email_{$session_id}";
	2918	+ $saved_email = get_option($email_option_key);
	2919	+ if (!empty($saved_email)) {
	2920	+ $email = $saved_email;
	2921	+ //error_log("[DEBUG] Using saved email from session for channel: {$email}");
	2922	+ }
	2923	+ }
	2924	+
	2925	+ if (empty($name)) {
	2926	+ $name_option_key = "mxchat_name_{$session_id}";
	2927	+ $saved_name = get_option($name_option_key);
	2928	+ if (!empty($saved_name)) {
	2929	+ $name = $saved_name;
	2930	+ //error_log("[DEBUG] Using saved name from session for channel: {$name}");
	2931	+ }
	2932	+ }
	2933	+
	2934	+ // 3. Third priority: Check existing chat transcript for email/name
	2935	+ if (empty($email) || empty($name)) {
	2936	+ global $wpdb;
	2937	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
	2938	+ $existing_data = $wpdb->get_row($wpdb->prepare(
	2939	+ "SELECT user_email, user_name FROM $table_name WHERE session_id = %s AND (user_email IS NOT NULL OR user_name IS NOT NULL) LIMIT 1",
	2940	+ $session_id
	2941	+ ));
	2942	+
	2943	+ if ($existing_data) {
	2944	+ if (empty($email) && !empty($existing_data->user_email)) {
	2945	+ $email = $existing_data->user_email;
	2946	+ //error_log("[DEBUG] Using email from chat transcript for channel: {$email}");
	2947	+ }
	2948	+ if (empty($name) && !empty($existing_data->user_name)) {
	2949	+ $name = $existing_data->user_name;
	2950	+ //error_log("[DEBUG] Using name from chat transcript for channel: {$name}");
	2951	+ }
	2952	+ }
	2953	+ }
	2954	+
	2955	+ // 4. Generate channel name based on priority: Name > Email > Session ID
	2956	+ $channel_name = '';
	2957	+
	2958	+ if (!empty($name)) {
	2959	+ // Convert name to valid Slack channel name
	2960	+ $base_name = strtolower(trim($name));
	2961	+ // Replace spaces and invalid characters
	2962	+ $base_name = preg_replace('/[^a-z0-9\s]/', '', $base_name);
	2963	+ $base_name = preg_replace('/\s+/', '-', $base_name);
	2964	+ $base_name = trim($base_name, '-');
	2965	+
	2966	+ // Get last 4 characters of session ID for uniqueness
	2967	+ $session_suffix = substr($session_id, -4);
	2968	+ $channel_name = 'chat-' . $base_name . '-' . strtolower($session_suffix);
	2969	+
	2970	+ // Slack channel names have a 21 character limit
	2971	+ if (strlen($channel_name) > 21) {
	2972	+ // Calculate available space for name (21 - 'chat-' - '-' - session_suffix)
	2973	+ $available_space = 21 - 5 - 1 - strlen($session_suffix); // 'chat-' = 5, '-' = 1
	2974	+ $truncated_name = substr($base_name, 0, $available_space);
	2975	+ $truncated_name = rtrim($truncated_name, '-'); // Remove trailing hyphen
	2976	+ $channel_name = 'chat-' . $truncated_name . '-' . strtolower($session_suffix);
	2977	+ }
	2978	+
	2979	+ //error_log("[DEBUG] Using name for channel: {$channel_name} (from name: {$name})");
	2980	+
	2981	+ } elseif (!empty($email)) {
	2982	+ // Convert email to valid Slack channel name (your existing logic)
	2983	+ $channel_name = 'chat-' . strtolower(str_replace(['@', '.', '+', '_'], ['-at-', '-', '-plus-', '-'], $email));
	2984	+ // Remove any remaining invalid characters
	2985	+ $channel_name = preg_replace('/[^a-z0-9\-]/', '', $channel_name);
	2986	+ // Ensure it doesn't end with a hyphen
	2987	+ $channel_name = rtrim($channel_name, '-');
	2988	+ // Slack channel names have a 21 character limit, so truncate if needed
	2989	+ if (strlen($channel_name) > 21) {
	2990	+ $channel_name = substr($channel_name, 0, 21);
	2991	+ $channel_name = rtrim($channel_name, '-'); // Remove trailing hyphen if truncation created one
	2992	+ }
	2993	+
	2994	+ //error_log("[DEBUG] Using email for channel: {$channel_name} (from email: {$email})");
	2995	+
	2996	+ } else {
	2997	+ // Fallback to session ID if no name or email found
	2998	+ $channel_name = 'chat-' . strtolower(preg_replace('/[^a-zA-Z0-9]/', '', $session_id));
	2999	+ //error_log("[DEBUG] No name or email found, using session ID for channel: {$channel_name}");
	3000	+ }
	3001	+
	3002	+ // Final validation - ensure channel name meets Slack requirements
	3003	+ if (strlen($channel_name) > 21) {
	3004	+ $channel_name = substr($channel_name, 0, 21);
	3005	+ $channel_name = rtrim($channel_name, '-');
	3006	+ }
	3007	+
	3008	+ //error_log("[DEBUG] Generated channel name: {$channel_name}");
	3009	+ return $channel_name;
	3010	+}
2828	3011	public function mxchat_send_user_message_to_agent($message, $user_id, $session_id) {
2829		- $slack_webhook_url = $this->options['live_agent_webhook_url'] ?? '';
	3012	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	3013	+ $channel_id = get_option("mxchat_channel_{$session_id}", '');
2830	3014
2831		- if (empty($slack_webhook_url)) {
2832		- //error_log(esc_html__('Slack Webhook URL is not configured.', 'mxchat'));
	3015	+ if (empty($slack_bot_token) || empty($channel_id)) {
2833	3016	return false;
2834	3017	}
2835	3018
2836		- $webhook_data = [
2837		- 'blocks' => [
2838		- [
2839		- 'type' => 'header',
2840		- 'text' => [
2841		- 'type' => 'plain_text',
2842		- 'text' => esc_html__('📩 New Chat Message', 'mxchat'),
2843		- 'emoji' => true
2844		- ]
2845		- ],
2846		- [
2847		- 'type' => 'section',
2848		- 'fields' => [
2849		- [
2850		- 'type' => 'mrkdwn',
2851		- 'text' => sprintf(esc_html__('*User ID:*\n`%s`', 'mxchat'), $user_id)
2852		- ],
2853		- [
2854		- 'type' => 'mrkdwn',
2855		- 'text' => sprintf(esc_html__('*Session ID:*\n`%s`', 'mxchat'), $session_id)
2856		- ]
2857		- ]
2858		- ],
2859		- [
2860		- 'type' => 'section',
2861		- 'text' => [
2862		- 'type' => 'mrkdwn',
2863		- 'text' => sprintf(esc_html__('*Message:*\n%s', 'mxchat'), $message)
2864		- ]
2865		- ],
2866		- [
2867		- 'type' => 'actions',
2868		- 'elements' => [
2869		- [
2870		- 'type' => 'button',
2871		- 'text' => [
2872		- 'type' => 'plain_text',
2873		- 'text' => esc_html__('✍️ Reply', 'mxchat'),
2874		- 'emoji' => true
2875		- ],
2876		- 'value' => $session_id,
2877		- 'action_id' => 'reply_to_user',
2878		- 'style' => 'primary'
2879		- ]
2880		- ]
2881		- ]
2882		- ]
2883		- ];
	3019	+ $user_message = "💬 *User:* {$message}";
2884	3020
2885		- $response = wp_remote_post($slack_webhook_url, [
2886		- 'body' => json_encode($webhook_data),
	3021	+ $response = wp_remote_post('https://slack.com/api/chat.postMessage', [
2887	3022	'headers' => [
2888	3023	'Content-Type' => 'application/json',
	3024	+ 'Authorization' => 'Bearer ' . $slack_bot_token
2889	3025	],
	3026	+ 'body' => json_encode([
	3027	+ 'channel' => $channel_id,
	3028	+ 'text' => $user_message,
	3029	+ 'mrkdwn' => true
	3030	+ ])
2890	3031	]);
2891	3032
2892		- if (is_wp_error($response)) {
2893		- //error_log(esc_html__('Error sending message to Slack: ', 'mxchat') . $response->get_error_message());
2894		- return false;
2895		- }
2896		-
2897		- //error_log(esc_html__('Message sent to Slack successfully.', 'mxchat'));
2898		- return true;
	3033	+ return !is_wp_error($response);
2899	3034	}
2900	3035	public function handle_slack_interaction(WP_REST_Request $request) {
2901	3036	//error_log('Received Slack interaction');
2902	3037
		@@ -2984,17 +3119,16 @@
2984	3119
2985	3120	// Default acknowledgment
2986	3121	return new WP_REST_Response(['ok' => true]);
2987	3122	}
2988		-
2989	3123	public function mxchat_handle_agent_response(WP_REST_Request $request) {
2990	3124	//error_log('Received agent response request');
2991	3125	//error_log('Request data: ' . print_r($request->get_params(), true));
2992		- // error_log('Raw body: ' . file_get_contents('php://input'));
	3126	+ // //error_log('Raw body: ' . file_get_contents('php://input'));
2993	3127
2994	3128	// Get the data from Slack's slash command format
2995	3129	$command_text = $request->get_param('text');
2996		- // error_log('Command text: ' . $command_text);
	3130	+ // //error_log('Command text: ' . $command_text);
2997	3131
2998	3132	if (empty($command_text)) {
2999	3133	//error_log(esc_html__('Agent response error: No command text received', 'mxchat'));
3000	3134	return new WP_REST_Response([
		@@ -3019,9 +3153,9 @@
3019	3153	// Save the message
3020	3154	$message_id = $this->mxchat_save_chat_message($session_id, 'agent', $message);
3021	3155
3022	3156	if (!$message_id) {
3023		- // error_log('Failed to save agent message');
	3157	+ // //error_log('Failed to save agent message');
3024	3158	return new WP_REST_Response([
3025	3159	'error' => esc_html__('Failed to save message', 'mxchat')
3026	3160	], 500);
3027	3161	}
		@@ -3031,29 +3165,141 @@
3031	3165	'response_type' => 'in_channel',
3032	3166	'text' => esc_html__("Message sent successfully to session $session_id", 'mxchat')
3033	3167	], 200);
3034	3168	}
3035		-
3036		-
3037	3169	public function mxchat_handle_switch_to_chatbot_intent($message, $user_id, $session_id) {
3038		- //error_log(esc_html__("Switching back to chatbot mode via intent.", 'mxchat'));
3039		-
3040		- // Just update mode to AI
	3170	+ // Update mode to AI
3041	3171	update_option("mxchat_mode_{$session_id}", 'ai');
	3172	+
	3173	+ // Clear any existing PDF context to start fresh
	3174	+ $this->clear_pdf_transients($session_id);
	3175	+
	3176	+ // Set the response with explicit chat_mode
	3177	+ $this->fallbackResponse = [
	3178	+ 'text' => esc_html__('You are now chatting with the AI chatbot.', 'mxchat'),
	3179	+ 'html' => '',
	3180	+ 'images' => [],
	3181	+ 'chat_mode' => 'ai' // Ensure this is set
	3182	+ ];
	3183	+
	3184	+ // Return the complete response array instead of just true
	3185	+ return $this->fallbackResponse;
	3186	+}
3042	3187
3043		- // Initialize states
3044		- $this->fallbackResponse = ['text' => '', 'html' => '', 'images' => []];
3045		- $this->productCardHtml = '';
3046		-
3047		- // Set the response message
3048		- $this->fallbackResponse['text'] = esc_html__('You are now chatting with the AI chatbot.', 'mxchat');
3049		-
3050		- return true; // Intent was handled
	3188	+public function handle_slack_messages(WP_REST_Request $request) {
	3189	+ // Log the incoming request for debugging
	3190	+ //error_log('Slack events request received: ' . $request->get_body());
	3191	+
	3192	+ $body = $request->get_body();
	3193	+ $data = json_decode($body, true);
	3194	+
	3195	+ // Handle Slack URL verification
	3196	+ if (isset($data['type']) && $data['type'] === 'url_verification') {
	3197	+ //error_log('Slack URL verification challenge: ' . $data['challenge']);
	3198	+ return new WP_REST_Response($data['challenge'], 200, ['Content-Type' => 'text/plain']);
	3199	+ }
	3200	+
	3201	+ // IMPORTANT: Handle Slack's event deduplication
	3202	+ if (isset($data['event_id'])) {
	3203	+ $event_id = $data['event_id'];
	3204	+ $processed_events = get_transient('mxchat_slack_events') ?: [];
	3205	+
	3206	+ // Check if we've already processed this event
	3207	+ if (in_array($event_id, $processed_events)) {
	3208	+ //error_log("Duplicate event detected: $event_id");
	3209	+ return new WP_REST_Response(['ok' => true]);
	3210	+ }
	3211	+
	3212	+ // Add this event to processed list
	3213	+ $processed_events[] = $event_id;
	3214	+ // Keep only last 100 events to prevent memory issues
	3215	+ if (count($processed_events) > 100) {
	3216	+ $processed_events = array_slice($processed_events, -100);
	3217	+ }
	3218	+ // Store for 1 hour
	3219	+ set_transient('mxchat_slack_events', $processed_events, HOUR_IN_SECONDS);
	3220	+ }
	3221	+
	3222	+ // Handle message events
	3223	+ if (isset($data['event']) && $data['event']['type'] === 'message') {
	3224	+ $event = $data['event'];
	3225	+
	3226	+ // Skip bot messages and messages with subtypes (like bot_message)
	3227	+ if (isset($event['bot_id']) || isset($event['subtype'])) {
	3228	+ return new WP_REST_Response(['ok' => true]);
	3229	+ }
	3230	+
	3231	+ // Additional check: Skip if this is a threaded reply to our confirmation
	3232	+ if (isset($event['thread_ts']) && $event['thread_ts'] !== $event['ts']) {
	3233	+ return new WP_REST_Response(['ok' => true]);
	3234	+ }
	3235	+
	3236	+ $channel_id = $event['channel'];
	3237	+ $message_text = $event['text'] ?? '';
	3238	+ $message_ts = $event['ts'] ?? '';
	3239	+
	3240	+ // Find session ID by looking for matching channel
	3241	+ global $wpdb;
	3242	+ $session_option = $wpdb->get_var(
	3243	+ $wpdb->prepare(
	3244	+ "SELECT option_name FROM {$wpdb->options}
	3245	+ WHERE option_name LIKE 'mxchat_channel_%'
	3246	+ AND option_value = %s",
	3247	+ $channel_id
	3248	+ )
	3249	+ );
	3250	+
	3251	+ if ($session_option) {
	3252	+ $session_id = str_replace('mxchat_channel_', '', $session_option);
	3253	+
	3254	+ // Create a unique key for this specific message
	3255	+ $message_key = md5($session_id . $message_ts . $message_text);
	3256	+ $processed_messages = get_transient('mxchat_processed_messages_' . $session_id) ?: [];
	3257	+
	3258	+ // Check if we've already processed this exact message
	3259	+ if (in_array($message_key, $processed_messages)) {
	3260	+ //error_log("Duplicate message detected for session $session_id");
	3261	+ return new WP_REST_Response(['ok' => true]);
	3262	+ }
	3263	+
	3264	+ // Add to processed messages
	3265	+ $processed_messages[] = $message_key;
	3266	+ // Keep only last 50 messages per session
	3267	+ if (count($processed_messages) > 50) {
	3268	+ $processed_messages = array_slice($processed_messages, -50);
	3269	+ }
	3270	+ set_transient('mxchat_processed_messages_' . $session_id, $processed_messages, HOUR_IN_SECONDS);
	3271	+
	3272	+ // Save the agent message
	3273	+ $this->mxchat_save_chat_message($session_id, 'agent', $message_text);
	3274	+
	3275	+ // Send confirmation back to Slack (only once)
	3276	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	3277	+ if (!empty($slack_bot_token)) {
	3278	+ // Use a transient to prevent duplicate confirmations
	3279	+ $confirm_key = 'mxchat_confirm_' . $message_key;
	3280	+ if (!get_transient($confirm_key)) {
	3281	+ wp_remote_post('https://slack.com/api/chat.postMessage', [
	3282	+ 'headers' => [
	3283	+ 'Content-Type' => 'application/json',
	3284	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	3285	+ ],
	3286	+ 'body' => json_encode([
	3287	+ 'channel' => $channel_id,
	3288	+ 'text' => "✅ _Message sent to user_",
	3289	+ 'thread_ts' => $event['ts'] // Reply in thread
	3290	+ ])
	3291	+ ]);
	3292	+ // Set transient to prevent duplicate confirmations
	3293	+ set_transient($confirm_key, true, 300); // 5 minutes
	3294	+ }
	3295	+ }
	3296	+ }
	3297	+ }
	3298	+
	3299	+ return new WP_REST_Response(['ok' => true]);
3051	3300	}
3052	3301
3053		-
3054		-
3055		-
3056	3302	// For the word upload handler
3057	3303	public function mxchat_handle_word_upload() {
3058	3304	// Delegate to word handler
3059	3305	$this->word_handler->mxchat_handle_word_upload();
		@@ -3076,21 +3322,102 @@
3076	3322	return MxChat_User::mxchat_get_user_identifier();
3077	3323	}
3078	3324
3079	3325	private function mxchat_generate_embedding($text, $api_key) {
3080		- $endpoint = 'https://api.openai.com/v1/embeddings';
3081		-
3082		- $body = wp_json_encode([
3083		- 'input' => $text,
3084		- 'model' => 'text-embedding-ada-002'
3085		- ]);
3086		-
	3326	+ try {
	3327	+ // Get options and selected model
	3328	+ $options = get_option('mxchat_options');
	3329	+ $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
	3330	+
	3331	+ // Determine endpoint and API key based on model
	3332	+ if (strpos($selected_model, 'voyage') === 0) {
	3333	+ $endpoint = 'https://api.voyageai.com/v1/embeddings';
	3334	+ $api_key = $options['voyage_api_key'] ?? '';
	3335	+
	3336	+ // Check if Voyage API key is missing
	3337	+ if (empty($api_key)) {
	3338	+ //error_log('Voyage API key is missing');
	3339	+ return [
	3340	+ 'error' => esc_html__('Voyage AI API key is not configured', 'mxchat'),
	3341	+ 'error_code' => 'missing_voyage_api_key'
	3342	+ ];
	3343	+ }
	3344	+ } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
	3345	+ $endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . $selected_model . ':embedContent';
	3346	+ $api_key = $options['gemini_api_key'] ?? '';
	3347	+
	3348	+ // Check if Gemini API key is missing
	3349	+ if (empty($api_key)) {
	3350	+ //error_log('Gemini API key is missing');
	3351	+ return [
	3352	+ 'error' => esc_html__('Google Gemini API key is not configured', 'mxchat'),
	3353	+ 'error_code' => 'missing_gemini_api_key'
	3354	+ ];
	3355	+ }
	3356	+ } else {
	3357	+ $endpoint = 'https://api.openai.com/v1/embeddings';
	3358	+ // Use the passed API key for OpenAI
	3359	+
	3360	+ // Check if OpenAI API key is missing
	3361	+ if (empty($api_key)) {
	3362	+ //error_log('OpenAI API key is missing');
	3363	+ return [
	3364	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	3365	+ 'error_code' => 'missing_openai_api_key'
	3366	+ ];
	3367	+ }
	3368	+ }
	3369	+
	3370	+ // Check if text is empty
	3371	+ if (empty($text)) {
	3372	+ //error_log('Empty text provided for embedding generation');
	3373	+ return [
	3374	+ 'error' => esc_html__('No text provided for embedding generation', 'mxchat'),
	3375	+ 'error_code' => 'empty_embedding_text'
	3376	+ ];
	3377	+ }
	3378	+
	3379	+ // Prepare request body based on provider
	3380	+ if (strpos($selected_model, 'gemini-embedding') === 0) {
	3381	+ // Gemini API format
	3382	+ $request_body = [
	3383	+ 'model' => 'models/' . $selected_model,
	3384	+ 'content' => [
	3385	+ 'parts' => [
	3386	+ ['text' => $text]
	3387	+ ]
	3388	+ ],
	3389	+ 'outputDimensionality' => 1536
	3390	+ ];
	3391	+
	3392	+ // Prepare headers for Gemini (API key as query parameter)
	3393	+ $endpoint .= '?key=' . $api_key;
	3394	+ $headers = [
	3395	+ 'Content-Type' => 'application/json'
	3396	+ ];
	3397	+ } else {
	3398	+ // OpenAI/Voyage API format
	3399	+ $request_body = [
	3400	+ 'input' => $text,
	3401	+ 'model' => $selected_model
	3402	+ ];
	3403	+
	3404	+ // Add output_dimension for voyage-3-large
	3405	+ if ($selected_model === 'voyage-3-large') {
	3406	+ $request_body['output_dimension'] = 2048;
	3407	+ }
	3408	+
	3409	+ // Prepare headers for OpenAI/Voyage
	3410	+ $headers = [
	3411	+ 'Content-Type' => 'application/json',
	3412	+ 'Authorization' => 'Bearer ' . $api_key
	3413	+ ];
	3414	+ }
	3415	+
	3416	+ // Prepare request arguments
3087	3417	$args = [
3088		- 'body' => $body,
3089		- 'headers' => [
3090		- 'Content-Type' => 'application/json',
3091		- 'Authorization' => 'Bearer ' . $api_key,
3092		- ],
	3418	+ 'body' => wp_json_encode($request_body),
	3419	+ 'headers' => $headers,
3093	3420	'timeout' => 60,
3094	3421	'redirection' => 5,
3095	3422	'blocking' => true,
3096	3423	'httpversion' => '1.0',
		@@ -3095,63 +3422,177 @@
3095	3422	'blocking' => true,
3096	3423	'httpversion' => '1.0',
3097	3424	'sslverify' => true,
3098	3425	];
3099		-
	3426	+
	3427	+ // Make the request
3100	3428	$response = wp_remote_post($endpoint, $args);
3101		-
	3429	+
	3430	+ // Handle WordPress errors
3102	3431	if (is_wp_error($response)) {
3103		- return null;
	3432	+ $error_message = $response->get_error_message();
	3433	+ //error_log('Embedding Generation Error: ' . $error_message);
	3434	+ return [
	3435	+ 'error' => esc_html__('Connection error when generating embeddings: ', 'mxchat') . esc_html($error_message),
	3436	+ 'error_code' => 'embedding_connection_error'
	3437	+ ];
3104	3438	}
3105		-
	3439	+
	3440	+ // Check HTTP status code
	3441	+ $status_code = wp_remote_retrieve_response_code($response);
	3442	+ if ($status_code !== 200) {
	3443	+ $response_body = json_decode(wp_remote_retrieve_body($response), true);
	3444	+
	3445	+ $error_message = isset($response_body['error']['message'])
	3446	+ ? $response_body['error']['message']
	3447	+ : 'HTTP Error ' . $status_code;
	3448	+
	3449	+ $error_type = isset($response_body['error']['type'])
	3450	+ ? $response_body['error']['type']
	3451	+ : 'unknown';
	3452	+
	3453	+ //error_log('Embedding API HTTP Error: ' . $status_code . ' - ' . $error_message);
	3454	+
	3455	+ // Handle specific error types
	3456	+ switch ($error_type) {
	3457	+ case 'invalid_request_error':
	3458	+ if (strpos($error_message, 'API key') !== false) {
	3459	+ return [
	3460	+ 'error' => esc_html__('Invalid API key for embedding generation. Please check your API key configuration.', 'mxchat'),
	3461	+ 'error_code' => 'embedding_invalid_api_key'
	3462	+ ];
	3463	+ }
	3464	+ break;
	3465	+
	3466	+ case 'authentication_error':
	3467	+ return [
	3468	+ 'error' => esc_html__('Authentication failed for embedding generation. Please check your API key.', 'mxchat'),
	3469	+ 'error_code' => 'embedding_auth_error'
	3470	+ ];
	3471	+
	3472	+ case 'rate_limit_exceeded':
	3473	+ return [
	3474	+ 'error' => esc_html__('Rate limit exceeded for embedding generation. Please try again later.', 'mxchat'),
	3475	+ 'error_code' => 'embedding_rate_limit'
	3476	+ ];
	3477	+
	3478	+ case 'quota_exceeded':
	3479	+ return [
	3480	+ 'error' => esc_html__('API quota exceeded for embedding generation. Please check your billing details.', 'mxchat'),
	3481	+ 'error_code' => 'embedding_quota_exceeded'
	3482	+ ];
	3483	+ }
	3484	+
	3485	+ // Generic error fallback
	3486	+ return [
	3487	+ 'error' => esc_html__('Embedding API error - check embedding API key.: ', 'mxchat') . esc_html($error_message),
	3488	+ 'error_code' => 'embedding_api_error',
	3489	+ 'status_code' => $status_code
	3490	+ ];
	3491	+ }
	3492	+
3106	3493	$response_body = json_decode(wp_remote_retrieve_body($response), true);
3107		-
3108		- if (isset($response_body['data'][0]['embedding']) && is_array($response_body['data'][0]['embedding'])) {
3109		- return $response_body['data'][0]['embedding'];
	3494	+
	3495	+ // Handle different response formats based on provider
	3496	+ if (strpos($selected_model, 'gemini-embedding') === 0) {
	3497	+ // Gemini API response format
	3498	+ if (isset($response_body['embedding']['values']) && is_array($response_body['embedding']['values'])) {
	3499	+ return $response_body['embedding']['values'];
	3500	+ } else {
	3501	+ //error_log('Invalid Gemini embedding response: ' . wp_json_encode($response_body));
	3502	+ return [
	3503	+ 'error' => esc_html__('Received invalid embedding data from the Gemini API.', 'mxchat'),
	3504	+ 'error_code' => 'invalid_gemini_embedding_response'
	3505	+ ];
	3506	+ }
3110	3507	} else {
3111		- return null;
	3508	+ // OpenAI/Voyage API response format
	3509	+ if (isset($response_body['data'][0]['embedding']) && is_array($response_body['data'][0]['embedding'])) {
	3510	+ return $response_body['data'][0]['embedding'];
	3511	+ } else {
	3512	+ //error_log('Invalid embedding response: ' . wp_json_encode($response_body));
	3513	+ return [
	3514	+ 'error' => esc_html__('Received invalid embedding data from the API.', 'mxchat'),
	3515	+ 'error_code' => 'invalid_embedding_response'
	3516	+ ];
	3517	+ }
3112	3518	}
	3519	+ } catch (Exception $e) {
	3520	+ //error_log('Embedding Exception: ' . $e->getMessage());
	3521	+ return [
	3522	+ 'error' => esc_html__('System error when generating embeddings: ', 'mxchat') . esc_html($e->getMessage()),
	3523	+ 'error_code' => 'embedding_exception'
	3524	+ ];
3113	3525	}
	3526	+}
3114	3527
3115	3528
3116		-private function mxchat_find_relevant_content($user_embedding) {
3117		- //error_log('MXChat Vector Search: Starting content search...');
	3529	+private function mxchat_find_relevant_content($user_embedding, $bot_id = 'default') {
	3530	+ error_log("MXCHAT DEBUG: find_relevant_content called with bot_id: " . $bot_id);
	3531	+
	3532	+ // Get bot-specific Pinecone configuration
	3533	+ $bot_pinecone_config = $this->get_bot_pinecone_config($bot_id);
	3534	+
	3535	+ // Debug: Log the Pinecone configuration
	3536	+ error_log("MXCHAT DEBUG: Pinecone config for bot '$bot_id':");
	3537	+ error_log(" - use_pinecone: " . ($bot_pinecone_config['use_pinecone'] ? 'true' : 'false'));
	3538	+ error_log(" - api_key: " . (empty($bot_pinecone_config['api_key']) ? 'EMPTY' : 'SET (hidden)'));
	3539	+ error_log(" - host: " . ($bot_pinecone_config['host'] ?? 'NOT SET'));
	3540	+ error_log(" - namespace: " . ($bot_pinecone_config['namespace'] ?? 'NOT SET'));
	3541	+
	3542	+ // Determine whether to use Pinecone based on bot configuration
	3543	+ $use_pinecone = isset($bot_pinecone_config['use_pinecone']) ? $bot_pinecone_config['use_pinecone'] : false;
	3544	+
	3545	+ error_log("MXCHAT DEBUG: Using " . ($use_pinecone ? "Pinecone" : "WordPress Database") . " for knowledge retrieval");
3118	3546
3119		- // Retrieve the add-on settings from the database.
3120		- $addon_options = get_option('mxchat_pinecone_addon_options', array());
3121		-
3122		- // Determine whether Pinecone is enabled.
3123		- // We expect the sanitized setting to be a string '1' if enabled, otherwise '0'.
3124		- $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1') ? 1 : 0;
3125		-
3126		- //error_log('Pinecone enabled flag: ' . $use_pinecone);
3127		-
3128		- if ($use_pinecone === 1) {
3129		- //error_log('MXChat Vector Search: Using Pinecone database');
3130		- return $this->find_relevant_content_pinecone($user_embedding);
	3547	+ if ($use_pinecone) {
	3548	+ return $this->find_relevant_content_pinecone($user_embedding, $bot_id, $bot_pinecone_config);
3131	3549	} else {
3132		- //error_log('MXChat Vector Search: Using WordPress database');
3133		- return $this->find_relevant_content_wordpress($user_embedding);
	3550	+ return $this->find_relevant_content_wordpress($user_embedding, $bot_id);
3134	3551	}
3135	3552	}
3136	3553
3137		-private function find_relevant_content_wordpress($user_embedding) {
	3554	+private function find_relevant_content_wordpress($user_embedding, $bot_id = 'default') {
3138	3555	global $wpdb;
3139	3556	$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
3140		- $cache_key = 'mxchat_system_prompt_embeddings';
	3557	+ $cache_key = 'mxchat_system_prompt_embeddings_' . $bot_id; // Bot-specific cache key
3141	3558	$batch_size = 500;
3142	3559
	3560	+ // Initialize similarity analysis storage
	3561	+ $this->last_similarity_analysis = [
	3562	+ 'knowledge_base_type' => 'WordPress Database',
	3563	+ 'bot_id' => $bot_id, // Track which bot is being used
	3564	+ 'top_matches' => [],
	3565	+ 'threshold_used' => 0,
	3566	+ 'total_checked' => 0
	3567	+ ];
	3568	+
	3569	+ // Get bot-specific options for similarity threshold
	3570	+ $bot_options = $this->get_bot_options($bot_id);
	3571	+ $current_options = !empty($bot_options) ? $bot_options : $this->options;
	3572	+
3143	3573	// Retrieve embeddings from cache or database
3144	3574	$embeddings = wp_cache_get($cache_key, 'mxchat_system_prompts');
3145	3575	if ($embeddings === false) {
	3576	+ // Cache miss - load embeddings from database WITH CONTENT and ROLE RESTRICTION for testing
3146	3577	$embeddings = [];
3147	3578	$offset = 0;
3148	3579
3149		- // Load in batches and build cache
3150	3580	do {
	3581	+ // Add bot_id filter if not default and if bot_metadata column exists
	3582	+ $bot_filter = '';
	3583	+ if ($bot_id !== 'default') {
	3584	+ // Check if bot_metadata column exists
	3585	+ $column_exists = $wpdb->get_var("SHOW COLUMNS FROM {$system_prompt_table} LIKE 'bot_metadata'");
	3586	+ if ($column_exists) {
	3587	+ $bot_filter = $wpdb->prepare(" AND (bot_metadata = %s OR bot_metadata IS NULL OR bot_metadata = '')", $bot_id);
	3588	+ }
	3589	+ }
	3590	+
3151	3591	$query = $wpdb->prepare(
3152		- "SELECT id, embedding_vector
	3592	+ "SELECT id, embedding_vector, article_content, source_url, role_restriction
3153	3593	FROM {$system_prompt_table}
	3594	+ WHERE 1=1 {$bot_filter}
3154	3595	LIMIT %d OFFSET %d",
3155	3596	$batch_size,
3156	3597	$offset
3157	3598	);
		@@ -3162,62 +3603,132 @@
3162	3603	}
3163	3604
3164	3605	$embeddings = array_merge($embeddings, $batch);
3165	3606	$offset += $batch_size;
3166		-
3167		- // Free memory
3168	3607	unset($batch);
3169		-
3170	3608	} while (true);
3171	3609
3172	3610	if (empty($embeddings)) {
3173		- return ''; // Return an empty string if no embeddings found
	3611	+ return '';
3174	3612	}
	3613	+
	3614	+ // Cache embeddings for future use (but note: this now includes content and role restrictions)
3175	3615	wp_cache_set($cache_key, $embeddings, 'mxchat_system_prompts', 3600);
3176	3616	}
3177	3617
3178		- // Initialize array to store relevant results with similarity scores
	3618	+ // Get knowledge manager instance for role checking
	3619	+ $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
	3620	+
	3621	+ // Get base similarity threshold from bot options or default options
	3622	+ $similarity_threshold = isset($current_options['similarity_threshold'])
	3623	+ ? ((int) $current_options['similarity_threshold']) / 100
	3624	+ : 0.35;
	3625	+
	3626	+ $this->last_similarity_analysis['threshold_used'] = $similarity_threshold;
	3627	+
	3628	+ // Calculate similarities and build results array
	3629	+ $all_similarities = [];
3179	3630	$relevant_results = [];
3180		- // Iterate through embeddings to calculate similarity
	3631	+
3181	3632	foreach ($embeddings as $embedding) {
3182	3633	$database_embedding = $embedding->embedding_vector
3183	3634	? unserialize($embedding->embedding_vector, ['allowed_classes' => false])
3184	3635	: null;
	3636	+
3185	3637	if (is_array($database_embedding) && is_array($user_embedding)) {
3186	3638	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $database_embedding);
3187		- $relevant_results[] = [
3188		- 'id' => $embedding->id,
3189		- 'similarity' => $similarity
	3639	+
	3640	+ // Check role access
	3641	+ $role_restriction = $embedding->role_restriction ?? 'public';
	3642	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3643	+
	3644	+ // Store ALL similarities for testing (top 10)
	3645	+ $source_display = '';
	3646	+ if (!empty($embedding->source_url) && $embedding->source_url !== '#') {
	3647	+ $source_display = $embedding->source_url;
	3648	+ } else {
	3649	+ $content_preview = strip_tags($embedding->article_content ?? '');
	3650	+ $content_preview = preg_replace('/\s+/', ' ', $content_preview);
	3651	+ $source_display = substr(trim($content_preview), 0, 50) . '...';
	3652	+ }
	3653	+
	3654	+ $all_similarities[] = [
	3655	+ 'document_id' => $embedding->id,
	3656	+ 'similarity' => $similarity,
	3657	+ 'similarity_percentage' => round($similarity * 100, 2),
	3658	+ 'above_threshold' => $similarity >= $similarity_threshold,
	3659	+ 'source_display' => $source_display,
	3660	+ 'content_preview' => substr(strip_tags($embedding->article_content ?? ''), 0, 100) . '...',
	3661	+ 'used_for_context' => false, // Initialize as false, we'll update this later
	3662	+ 'role_restriction' => $role_restriction, // Include role info for testing
	3663	+ 'has_access' => $has_access, // Include access info for testing
	3664	+ 'filtered_out' => !$has_access // Mark if filtered out by role
3190	3665	];
	3666	+
	3667	+ // Only consider results above threshold AND with access for actual content retrieval
	3668	+ if ($similarity >= $similarity_threshold && $has_access) {
	3669	+ $relevant_results[] = [
	3670	+ 'id' => $embedding->id,
	3671	+ 'similarity' => $similarity
	3672	+ ];
	3673	+ }
3191	3674	}
3192		- // Free memory
	3675	+
3193	3676	unset($database_embedding);
3194	3677	}
3195	3678
3196		- // Retrieve the similarity threshold
3197		- $similarity_threshold = ((int) get_option('mxchat_similarity_threshold', 80)) / 100;
3198		-
3199		- // Filter and sort relevant results by similarity
3200		- $relevant_results = array_filter($relevant_results, function ($result) use ($similarity_threshold) {
3201		- return $result['similarity'] >= $similarity_threshold;
	3679	+ // Sort ALL similarities for testing display (highest first)
	3680	+ usort($all_similarities, function ($a, $b) {
	3681	+ return $b['similarity'] <=> $a['similarity'];
3202	3682	});
	3683	+
	3684	+ // Sort relevant results by similarity (highest first)
3203	3685	usort($relevant_results, function ($a, $b) {
3204	3686	return $b['similarity'] <=> $a['similarity'];
3205	3687	});
3206		-
3207		- // Limit to the top 5 results
	3688	+
	3689	+ // Get top 5 results for actual content (standard approach)
3208	3690	$top_results = array_slice($relevant_results, 0, 5);
3209		-
3210		- // Initialize the final content
	3691	+
	3692	+ // NOW mark which documents are actually used for context
	3693	+ $used_document_ids = [];
	3694	+ foreach ($top_results as $result) {
	3695	+ $used_document_ids[] = $result['id'];
	3696	+ }
	3697	+
	3698	+ // Update the all_similarities array to mark which were actually used
	3699	+ foreach ($all_similarities as &$similarity_item) {
	3700	+ $similarity_item['used_for_context'] = in_array($similarity_item['document_id'], $used_document_ids);
	3701	+ }
	3702	+
	3703	+ // Store top 10 for testing panel (now with correct used_for_context flags and role info)
	3704	+ $this->last_similarity_analysis['top_matches'] = array_slice($all_similarities, 0, 10);
	3705	+ $this->last_similarity_analysis['total_checked'] = count($embeddings);
	3706	+
	3707	+ //error_log("MxChat Testing: Stored " . count($this->last_similarity_analysis['top_matches']) . " top matches for testing");
	3708	+
	3709	+ // Initialize final content
3211	3710	$content = '';
3212		-
3213		- // Fetch and combine content for the top results
3214		- foreach ($top_results as $result) {
	3711	+
	3712	+ // Track document IDs to avoid duplicates
	3713	+ $added_document_ids = [];
	3714	+
	3715	+ // Fetch and format content for each selected result
	3716	+ foreach ($top_results as $index => $result) {
	3717	+ if (in_array($result['id'], $added_document_ids)) {
	3718	+ continue;
	3719	+ }
	3720	+
3215	3721	$chunk_content = $this->fetch_content_with_product_links($result['id']);
3216		- // Check if the content is PDF-related and add surrounding pages
	3722	+ $added_document_ids[] = $result['id'];
	3723	+
	3724	+ $content .= "## Reference " . ($index + 1) . " ##\n";
	3725	+ $content .= $chunk_content . "\n\n";
	3726	+
	3727	+ // PDF surrounding pages logic (unchanged)
3217	3728	if (strpos($chunk_content, '{"document_type":"pdf"') !== false) {
3218	3729	$surrounding_content = $wpdb->get_results($wpdb->prepare(
3219		- "SELECT article_content FROM {$system_prompt_table}
	3730	+ "SELECT id, article_content, role_restriction FROM {$system_prompt_table}
3220	3731	WHERE id IN (
3221	3732	(SELECT id FROM {$system_prompt_table} WHERE id < %d ORDER BY id DESC LIMIT 1),
3222	3733	(SELECT id FROM {$system_prompt_table} WHERE id > %d ORDER BY id ASC LIMIT 1)
3223	3734	)",
		@@ -3223,52 +3734,116 @@
3223	3734	)",
3224	3735	$result['id'],
3225	3736	$result['id']
3226	3737	));
3227		- // Add previous content if it exists
	3738	+
	3739	+ // Check role access for surrounding content too
3228	3740	if (!empty($surrounding_content[0])) {
3229		- $content .= $surrounding_content[0]->article_content . "\n\n";
	3741	+ $surrounding_role = $surrounding_content[0]->role_restriction ?? 'public';
	3742	+ if ($knowledge_manager->mxchat_user_has_content_access($surrounding_role)) {
	3743	+ $content .= "## Related Content ##\n";
	3744	+ $content .= $surrounding_content[0]->article_content . "\n\n";
	3745	+ $added_document_ids[] = $surrounding_content[0]->id;
	3746	+ }
3230	3747	}
3231		- // Add the main chunk content
3232		- $content .= $chunk_content . "\n\n";
3233		- // Add next content if it exists
	3748	+
3234	3749	if (!empty($surrounding_content[1])) {
3235		- $content .= $surrounding_content[1]->article_content . "\n\n";
	3750	+ $surrounding_role = $surrounding_content[1]->role_restriction ?? 'public';
	3751	+ if ($knowledge_manager->mxchat_user_has_content_access($surrounding_role)) {
	3752	+ $content .= "## Related Content ##\n";
	3753	+ $content .= $surrounding_content[1]->article_content . "\n\n";
	3754	+ $added_document_ids[] = $surrounding_content[1]->id;
	3755	+ }
3236	3756	}
3237		- } else {
3238		- // For non-PDF content, add directly
3239		- $content .= $chunk_content . "\n\n";
3240	3757	}
3241	3758	}
	3759	+
	3760	+ // Add response guidelines
	3761	+ if (empty($top_results)) {
	3762	+ $content = "No reference information was found for this query.\n\n";
	3763	+ } else {
	3764	+ $content .= "\n## Response Guidelines ##\n" .
	3765	+ "You are an AI Chatbot. Answer naturally and helpfully using only the information from the references above. " .
	3766	+ "Be conversational and friendly, but never mention your knowledge base or training data. " .
	3767	+ "If you don't have specific information or are uncertain about any details, it's always " .
	3768	+ "better to honestly say you don't know rather than making up or guessing at answers. " .
	3769	+ "When information is incomplete, let them know you are unsure.";
	3770	+ }
3242	3771
3243	3772	return trim($content);
3244	3773	}
3245		-/**
3246		- * Find relevant content in Pinecone vector database
3247		- */
3248		-private function find_relevant_content_pinecone($user_embedding) {
3249		- $options = get_option('mxchat_pinecone_addon_options', array());
3250		- $api_key = $options['mxchat_pinecone_api_key'] ?? '';
3251		- $host = $options['mxchat_pinecone_host'] ?? '';
3252	3774
	3775	+private function find_relevant_content_pinecone($user_embedding, $bot_id = 'default', $bot_config = null) {
	3776	+ global $wpdb;
	3777	+
	3778	+ error_log("MXCHAT DEBUG: find_relevant_content_pinecone called");
	3779	+ error_log(" - bot_id: " . $bot_id);
	3780	+ error_log(" - user_embedding is array: " . (is_array($user_embedding) ? 'yes' : 'no'));
	3781	+ error_log(" - user_embedding count: " . (is_array($user_embedding) ? count($user_embedding) : 'N/A'));
	3782	+
	3783	+ // Use bot-specific config or fall back to default
	3784	+ if ($bot_config === null) {
	3785	+ $bot_config = $this->get_bot_pinecone_config($bot_id);
	3786	+ }
	3787	+
	3788	+ $api_key = $bot_config['api_key'] ?? '';
	3789	+ $host = $bot_config['host'] ?? '';
	3790	+ $namespace = $bot_config['namespace'] ?? '';
	3791	+
	3792	+ error_log("MXCHAT DEBUG: Pinecone query parameters:");
	3793	+ error_log(" - API Key: " . (empty($api_key) ? 'EMPTY - ERROR!' : 'Present (length: ' . strlen($api_key) . ')'));
	3794	+ error_log(" - Host: " . (empty($host) ? 'EMPTY - ERROR!' : $host));
	3795	+ error_log(" - Namespace: " . (empty($namespace) ? 'EMPTY (will use default)' : $namespace));
	3796	+
	3797	+ // Initialize similarity analysis storage
	3798	+ $this->last_similarity_analysis = [
	3799	+ 'knowledge_base_type' => 'Pinecone',
	3800	+ 'bot_id' => $bot_id,
	3801	+ 'namespace' => $namespace,
	3802	+ 'top_matches' => [],
	3803	+ 'threshold_used' => 0,
	3804	+ 'total_checked' => 0
	3805	+ ];
	3806	+
3253	3807	if (empty($host) || empty($api_key)) {
3254		- //error_log('Pinecone credentials not properly configured');
	3808	+ error_log("MXCHAT DEBUG ERROR: Missing Pinecone host or API key!");
	3809	+ error_log(" - Host empty: " . (empty($host) ? 'YES' : 'NO'));
	3810	+ error_log(" - API key empty: " . (empty($api_key) ? 'YES' : 'NO'));
3255	3811	return '';
3256	3812	}
3257		-
3258		- // Get similarity threshold from WordPress settings
3259		- $similarity_threshold = ((int) get_option('mxchat_similarity_threshold', 80)) / 100;
3260		-
	3813	+
	3814	+ // Get knowledge manager instance for role checking
	3815	+ $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
	3816	+
	3817	+ // Get the similarity threshold from the bot options or main options
	3818	+ $bot_options = $this->get_bot_options($bot_id);
	3819	+ $current_options = !empty($bot_options) ? $bot_options : get_option('mxchat_options', []);
	3820	+
	3821	+ $similarity_threshold = isset($current_options['similarity_threshold'])
	3822	+ ? ((int) $current_options['similarity_threshold']) / 100
	3823	+ : 0.35;
	3824	+
	3825	+ $this->last_similarity_analysis['threshold_used'] = $similarity_threshold;
	3826	+
3261	3827	// Prepare the query request for Pinecone
3262	3828	$api_endpoint = "https://{$host}/query";
3263		-
	3829	+
3264	3830	$request_body = array(
3265	3831	'vector' => $user_embedding,
3266		- 'topK' => 5,
	3832	+ 'topK' => 20, // Request more to get good testing data
3267	3833	'includeMetadata' => true,
3268	3834	'includeValues' => true
3269	3835	);
3270		-
	3836	+
	3837	+ // Add namespace if specified for this bot
	3838	+ if (!empty($namespace)) {
	3839	+ $request_body['namespace'] = $namespace;
	3840	+ }
	3841	+
	3842	+ error_log("MXCHAT DEBUG: About to call Pinecone API");
	3843	+ error_log(" - Endpoint: " . $api_endpoint);
	3844	+ error_log(" - Namespace in request: " . (!empty($namespace) ? $namespace : 'NOT SET'));
	3845	+
3271	3846	$response = wp_remote_post($api_endpoint, array(
3272	3847	'headers' => array(
3273	3848	'Api-Key' => $api_key,
3274	3849	'accept' => 'application/json',
		@@ -3276,46 +3851,197 @@
3276	3851	),
3277	3852	'body' => wp_json_encode($request_body),
3278	3853	'timeout' => 30
3279	3854	));
3280		-
	3855	+
3281	3856	if (is_wp_error($response)) {
3282		- //error_log('Pinecone query error: ' . $response->get_error_message());
	3857	+ error_log("MXCHAT DEBUG ERROR: WP Error in Pinecone request: " . $response->get_error_message());
3283	3858	return '';
3284	3859	}
3285		-
	3860	+
3286	3861	$response_code = wp_remote_retrieve_response_code($response);
	3862	+ error_log("MXCHAT DEBUG: Pinecone response code: " . $response_code);
	3863	+
3287	3864	if ($response_code !== 200) {
3288		- //error_log('Pinecone API error: ' . wp_remote_retrieve_body($response));
	3865	+ $response_body = wp_remote_retrieve_body($response);
	3866	+ error_log("MXCHAT DEBUG ERROR: Pinecone API error response: " . substr($response_body, 0, 500));
3289	3867	return '';
3290	3868	}
3291		-
3292		- $results = json_decode(wp_remote_retrieve_body($response), true);
	3869	+
	3870	+ // ADD DETAILED DEBUG SECTION HERE
	3871	+ $response_body = wp_remote_retrieve_body($response);
	3872	+ error_log("MXCHAT DEBUG: Raw Pinecone response length: " . strlen($response_body));
	3873	+
	3874	+ $results = json_decode($response_body, true);
	3875	+
	3876	+ if (json_last_error() !== JSON_ERROR_NONE) {
	3877	+ error_log("MXCHAT DEBUG ERROR: JSON decode error: " . json_last_error_msg());
	3878	+ error_log("MXCHAT DEBUG: First 500 chars of response: " . substr($response_body, 0, 500));
	3879	+ return '';
	3880	+ }
	3881	+
	3882	+ error_log("MXCHAT DEBUG: Pinecone response structure:");
	3883	+ error_log(" - Has 'matches' key: " . (isset($results['matches']) ? 'yes' : 'no'));
	3884	+ error_log(" - Has 'namespace' key: " . (isset($results['namespace']) ? 'yes (' . $results['namespace'] . ')' : 'no'));
	3885	+
3293	3886	if (empty($results['matches'])) {
	3887	+ error_log("MXCHAT DEBUG: No matches found in Pinecone response");
	3888	+ error_log("MXCHAT DEBUG: Response keys: " . implode(', ', array_keys($results)));
3294	3889	return '';
3295	3890	}
3296		-
	3891	+
	3892	+ error_log("MXCHAT DEBUG: Found " . count($results['matches']) . " matches in Pinecone");
	3893	+
	3894	+ // Log first match details for debugging
	3895	+ if (!empty($results['matches'][0])) {
	3896	+ $first_match = $results['matches'][0];
	3897	+ error_log("MXCHAT DEBUG: First match details:");
	3898	+ error_log(" - Score: " . ($first_match['score'] ?? 'no score'));
	3899	+ error_log(" - Has metadata: " . (isset($first_match['metadata']) ? 'yes' : 'no'));
	3900	+ if (isset($first_match['metadata'])) {
	3901	+ error_log(" - Metadata keys: " . implode(', ', array_keys($first_match['metadata'])));
	3902	+ }
	3903	+ }
	3904	+
3297	3905	// Initialize the final content
3298	3906	$content = '';
3299		-
3300		- // Process each match
3301		- foreach ($results['matches'] as $match) {
	3907	+ $matches_used = 0;
	3908	+ $matches_used_for_context = [];
	3909	+
	3910	+ // Process each match for actual content generation (lazy role checking)
	3911	+ foreach ($results['matches'] as $index => $match) {
3302	3912	// Skip if similarity is below threshold
3303	3913	if ($match['score'] < $similarity_threshold) {
3304	3914	continue;
3305	3915	}
3306		-
3307		- if (!empty($match['metadata']['text']) && !empty($match['metadata']['source_url'])) {
3308		- // Add content with citation
3309		- $content .= $match['metadata']['text'] . "\n";
3310		- $content .= "Source: " . $match['metadata']['source_url'] . "\n\n";
	3916	+
	3917	+ // Limit to top 5 matches above threshold
	3918	+ if ($matches_used >= 5) {
	3919	+ break;
3311	3920	}
	3921	+
	3922	+ if (!empty($match['metadata']['text'])) {
	3923	+ // LAZY ROLE CHECK: Only check role for content we're actually considering
	3924	+ $match_id = $match['id'] ?? '';
	3925	+ $role_restriction = $this->get_single_vector_role($match_id, $match['metadata']);
	3926	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3927	+
	3928	+ // Skip if user doesn't have access
	3929	+ if (!$has_access) {
	3930	+ continue;
	3931	+ }
	3932	+
	3933	+ // User has access - add to content
	3934	+ $content .= "## Reference " . ($matches_used + 1) . " ##\n";
	3935	+ $content .= $match['metadata']['text'] . "\n\n";
	3936	+
	3937	+ if (!empty($match['metadata']['source_url'])) {
	3938	+ $content .= "URL: " . $match['metadata']['source_url'] . "\n\n";
	3939	+ }
	3940	+
	3941	+ $matches_used_for_context[] = $match['id'] ?? $index;
	3942	+ $matches_used++;
	3943	+ }
3312	3944	}
3313		-
	3945	+
	3946	+ // Process ALL matches for testing data (top 10) - with role checking for testing display
	3947	+ $all_matches = [];
	3948	+ foreach ($results['matches'] as $index => $match) {
	3949	+ if ($index >= 10) break; // Limit to top 10 for testing
	3950	+
	3951	+ $match_id = $match['id'] ?? '';
	3952	+
	3953	+ // Check role access for testing display (use cache if available)
	3954	+ $role_restriction = $this->get_single_vector_role($match_id, $match['metadata']);
	3955	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3956	+
	3957	+ $source_display = '';
	3958	+ if (!empty($match['metadata']['source_url'])) {
	3959	+ $source_display = $match['metadata']['source_url'];
	3960	+ } else {
	3961	+ $content_preview = strip_tags($match['metadata']['text'] ?? '');
	3962	+ $content_preview = preg_replace('/\s+/', ' ', $content_preview);
	3963	+ $source_display = substr(trim($content_preview), 0, 50) . '...';
	3964	+ }
	3965	+
	3966	+ $match_id_for_display = $match['id'] ?? $index;
	3967	+
	3968	+ $all_matches[] = [
	3969	+ 'document_id' => $match_id_for_display,
	3970	+ 'similarity' => $match['score'],
	3971	+ 'similarity_percentage' => round($match['score'] * 100, 2),
	3972	+ 'above_threshold' => $match['score'] >= $similarity_threshold,
	3973	+ 'source_display' => $source_display,
	3974	+ 'content_preview' => substr(strip_tags($match['metadata']['text'] ?? ''), 0, 100) . '...',
	3975	+ 'used_for_context' => in_array($match_id_for_display, $matches_used_for_context),
	3976	+ 'role_restriction' => $role_restriction,
	3977	+ 'has_access' => $has_access,
	3978	+ 'filtered_out' => !$has_access
	3979	+ ];
	3980	+ }
	3981	+
	3982	+ // Store for testing panel
	3983	+ $this->last_similarity_analysis['top_matches'] = $all_matches;
	3984	+ $this->last_similarity_analysis['total_checked'] = count($results['matches']);
	3985	+
	3986	+ // Add response guidelines
	3987	+ if ($matches_used === 0) {
	3988	+ $content = "No reference information was found for this query.\n\n";
	3989	+ } else {
	3990	+ $content .= "\n## Response Guidelines ##\n" .
	3991	+ "You are an AI Chatbot. Answer naturally and helpfully using only the information from the references above. " .
	3992	+ "Be conversational and friendly, but never mention your knowledge base or training data. " .
	3993	+ "If you don't have specific information or are uncertain about any details, it's always " .
	3994	+ "better to honestly say you don't know rather than making up or guessing at answers. " .
	3995	+ "When information is incomplete, let them know you are unsure.";
	3996	+ }
	3997	+
3314	3998	return trim($content);
3315	3999	}
3316	4000
3317	4001
	4002	+/**
	4003	+ * Get role restriction for a single vector (with caching)
	4004	+ */
	4005	+private function get_single_vector_role($vector_id, $metadata = array()) {
	4006	+ global $wpdb;
	4007	+
	4008	+ if (empty($vector_id)) {
	4009	+ return 'public';
	4010	+ }
	4011	+
	4012	+ // Check cache first
	4013	+ $cache_key = 'mxchat_vector_role_' . $vector_id;
	4014	+ $cached_role = wp_cache_get($cache_key, 'mxchat_vector_roles');
	4015	+
	4016	+ if ($cached_role !== false) {
	4017	+ return $cached_role;
	4018	+ }
	4019	+
	4020	+ $role_restriction = 'public';
	4021	+
	4022	+ // First try Pinecone metadata
	4023	+ if (!empty($metadata['role_restriction'])) {
	4024	+ $role_restriction = $metadata['role_restriction'];
	4025	+ } else {
	4026	+ // Check WordPress table for user-modified roles
	4027	+ $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
	4028	+ $stored_role = $wpdb->get_var($wpdb->prepare(
	4029	+ "SELECT role_restriction FROM {$roles_table} WHERE vector_id = %s",
	4030	+ $vector_id
	4031	+ ));
	4032	+
	4033	+ if ($stored_role) {
	4034	+ $role_restriction = $stored_role;
	4035	+ }
	4036	+ }
	4037	+
	4038	+ // Cache individual role for 1 hour
	4039	+ wp_cache_set($cache_key, $role_restriction, 'mxchat_vector_roles', 3600);
	4040	+
	4041	+ return $role_restriction;
	4042	+}
	4043	+
3318	4044	private function mxchat_find_relevant_products($user_embedding) {
3319	4045	//error_log('MXChat Vector Search: Starting product search...');
3320	4046
3321	4047	// Retrieve the add-on settings from the database
		@@ -3333,9 +4059,8 @@
3333	4059	//error_log('MXChat Vector Search: Using WordPress database for products');
3334	4060	return $this->find_relevant_products_wordpress($user_embedding);
3335	4061	}
3336	4062	}
3337		-
3338	4063	private function find_relevant_products_wordpress($user_embedding) {
3339	4064	global $wpdb;
3340	4065	$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
3341	4066	$cache_key = 'mxchat_system_prompt_embeddings';
		@@ -3410,9 +4135,9 @@
3410	4135
3411	4136	return trim($content);
3412	4137	}
3413	4138
3414		-// Modified search function with correct filter syntax
	4139	+
3415	4140	private function find_relevant_products_pinecone($user_embedding) {
3416	4141	//error_log('Starting Pinecone product search...');
3417	4142
3418	4143	$options = get_option('mxchat_pinecone_addon_options', array());
		@@ -3509,321 +4234,1169 @@
3509	4234
3510	4235	return null;
3511	4236	}
3512	4237
3513		-// Function definition
3514		-private function mxchat_generate_response($relevant_content, $api_key, $xai_api_key, $claude_api_key, $deepseek_api_key, $conversation_history) {
	4238	+/**
	4239	+ * Get system instructions for a specific bot or default
	4240	+ * Checks for multi-bot add-on and uses bot-specific instructions if available
	4241	+ */
	4242	+private function get_system_instructions($bot_id = 'default') {
	4243	+ // Check if multi-bot add-on is active
	4244	+ if (class_exists('MxChat_Multi_Bot_Core_Manager') && $bot_id !== 'default') {
	4245	+ // Get bot-specific options from multi-bot add-on
	4246	+ $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
	4247	+
	4248	+ // If bot has custom system instructions, use those
	4249	+ if (!empty($bot_options['system_prompt_instructions'])) {
	4250	+ return $bot_options['system_prompt_instructions'];
	4251	+ }
	4252	+ }
	4253	+
	4254	+ // Fall back to default system instructions
	4255	+ return isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4256	+}
	4257	+/**
	4258	+ * Get the current bot ID from session or request context
	4259	+ */
	4260	+private function get_current_bot_id($session_id = '') {
	4261	+ // First, check if bot_id is passed in the current request
	4262	+ if (isset($_POST['bot_id']) && !empty($_POST['bot_id'])) {
	4263	+ return sanitize_key($_POST['bot_id']);
	4264	+ }
	4265	+
	4266	+ // If not in POST, try to get it from session data
	4267	+ if (!empty($session_id)) {
	4268	+ $bot_id = get_option("mxchat_session_bot_{$session_id}", '');
	4269	+ if (!empty($bot_id)) {
	4270	+ return $bot_id;
	4271	+ }
	4272	+ }
	4273	+
	4274	+ // Fall back to default
	4275	+ return 'default';
	4276	+}
	4277	+private function mxchat_generate_response($relevant_content, $api_key, $xai_api_key, $claude_api_key, $deepseek_api_key, $gemini_api_key, $conversation_history, $streaming = false, $session_id = '', $testing_data = null, $selected_model = 'gpt-4o') {
3515	4278	try {
3516	4279	if (!$relevant_content) {
3517		- return esc_html__("I'm sorry, I couldn't find relevant information on that topic.", 'mxchat');
	4280	+ $error_response = [
	4281	+ 'error' => esc_html__("I couldn't find relevant information on that topic.", 'mxchat'),
	4282	+ 'error_code' => 'no_relevant_content'
	4283	+ ];
	4284	+
	4285	+ // Add testing data to error response if available
	4286	+ if ($testing_data !== null) {
	4287	+ $error_response['testing_data'] = $testing_data;
	4288	+ //error_log("MxChat Testing: Added testing data to no_relevant_content error");
	4289	+ }
	4290	+
	4291	+ return $error_response;
3518	4292	}
3519		-
	4293	+
3520	4294	// Ensure conversation_history is an array
3521	4295	if (!is_array($conversation_history)) {
3522	4296	$conversation_history = array();
3523	4297	}
	4298	+
3524	4299
3525		- // Get selected model with default fallback
3526		- $selected_model = isset($this->options['model']) ? $this->options['model'] : 'gpt-4o';
3527		-
3528	4300	// Extract model prefix to determine the provider
3529	4301	$model_parts = explode('-', $selected_model);
3530	4302	$provider = strtolower($model_parts[0]);
3531		-
	4303	+
3532	4304	// Handle model selection based on provider prefix
3533	4305	switch ($provider) {
3534		- case 'claude':
3535		- if (empty($claude_api_key)) {
3536		- throw new Exception(esc_html__('Claude API key is not configured', 'mxchat'));
	4306	+ case 'gemini':
	4307	+ if (empty($gemini_api_key)) {
	4308	+ $error_response = [
	4309	+ 'error' => esc_html__('Google Gemini API key is not configured', 'mxchat'),
	4310	+ 'error_code' => 'missing_gemini_api_key'
	4311	+ ];
	4312	+ if ($testing_data !== null) {
	4313	+ $error_response['testing_data'] = $testing_data;
	4314	+ }
	4315	+ return $error_response;
3537	4316	}
3538		- return $this->mxchat_generate_response_claude(
	4317	+ $response = $this->mxchat_generate_response_gemini(
3539	4318	$selected_model,
3540		- $claude_api_key,
	4319	+ $gemini_api_key,
3541	4320	$conversation_history,
3542	4321	$relevant_content
3543	4322	);
3544		-
	4323	+ break;
	4324	+
	4325	+ case 'claude':
	4326	+ if (empty($claude_api_key)) {
	4327	+ $error_response = [
	4328	+ 'error' => esc_html__('Claude API key is not configured', 'mxchat'),
	4329	+ 'error_code' => 'missing_claude_api_key'
	4330	+ ];
	4331	+ if ($testing_data !== null) {
	4332	+ $error_response['testing_data'] = $testing_data;
	4333	+ }
	4334	+ return $error_response;
	4335	+ }
	4336	+ if ($streaming) {
	4337	+ return $this->mxchat_generate_response_claude_stream(
	4338	+ $selected_model,
	4339	+ $claude_api_key,
	4340	+ $conversation_history,
	4341	+ $relevant_content,
	4342	+ $session_id,
	4343	+ $testing_data // Pass testing data
	4344	+ );
	4345	+ } else {
	4346	+ $response = $this->mxchat_generate_response_claude(
	4347	+ $selected_model,
	4348	+ $claude_api_key,
	4349	+ $conversation_history,
	4350	+ $relevant_content
	4351	+ );
	4352	+ }
	4353	+ break;
	4354	+
3545	4355	case 'grok':
3546	4356	if (empty($xai_api_key)) {
3547		- throw new Exception(esc_html__('X.AI API key is not configured', 'mxchat'));
	4357	+ $error_response = [
	4358	+ 'error' => esc_html__('X.AI API key is not configured', 'mxchat'),
	4359	+ 'error_code' => 'missing_xai_api_key'
	4360	+ ];
	4361	+ if ($testing_data !== null) {
	4362	+ $error_response['testing_data'] = $testing_data;
	4363	+ }
	4364	+ return $error_response;
3548	4365	}
3549		- return $this->mxchat_generate_response_xai(
3550		- $selected_model,
3551		- $xai_api_key,
3552		- $conversation_history,
3553		- $relevant_content
3554		- );
3555		-
	4366	+ if ($streaming) {
	4367	+ return $this->mxchat_generate_response_xai_stream(
	4368	+ $selected_model,
	4369	+ $xai_api_key,
	4370	+ $conversation_history,
	4371	+ $relevant_content,
	4372	+ $session_id,
	4373	+ $testing_data // Pass testing data
	4374	+ );
	4375	+ } else {
	4376	+ $response = $this->mxchat_generate_response_xai(
	4377	+ $selected_model,
	4378	+ $xai_api_key,
	4379	+ $conversation_history,
	4380	+ $relevant_content
	4381	+ );
	4382	+ }
	4383	+ break;
	4384	+
3556	4385	case 'deepseek':
3557	4386	if (empty($deepseek_api_key)) {
3558		- throw new Exception(esc_html__('DeepSeek API key is not configured', 'mxchat'));
	4387	+ $error_response = [
	4388	+ 'error' => esc_html__('DeepSeek API key is not configured', 'mxchat'),
	4389	+ 'error_code' => 'missing_deepseek_api_key'
	4390	+ ];
	4391	+ if ($testing_data !== null) {
	4392	+ $error_response['testing_data'] = $testing_data;
	4393	+ }
	4394	+ return $error_response;
3559	4395	}
3560		- return $this->mxchat_generate_response_deepseek(
3561		- $selected_model,
3562		- $deepseek_api_key,
3563		- $conversation_history,
3564		- $relevant_content
3565		- );
3566		-
	4396	+ if ($streaming) {
	4397	+ return $this->mxchat_generate_response_deepseek_stream(
	4398	+ $selected_model,
	4399	+ $deepseek_api_key,
	4400	+ $conversation_history,
	4401	+ $relevant_content,
	4402	+ $session_id,
	4403	+ $testing_data // Pass testing data
	4404	+ );
	4405	+ } else {
	4406	+ $response = $this->mxchat_generate_response_deepseek(
	4407	+ $selected_model,
	4408	+ $deepseek_api_key,
	4409	+ $conversation_history,
	4410	+ $relevant_content
	4411	+ );
	4412	+ }
	4413	+ break;
	4414	+
3567	4415	case 'gpt':
	4416	+ case 'o1':
3568	4417	if (empty($api_key)) {
3569		- throw new Exception(esc_html__('OpenAI API key is not configured', 'mxchat'));
	4418	+ $error_response = [
	4419	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	4420	+ 'error_code' => 'missing_openai_api_key'
	4421	+ ];
	4422	+ if ($testing_data !== null) {
	4423	+ $error_response['testing_data'] = $testing_data;
	4424	+ }
	4425	+ return $error_response;
3570	4426	}
3571		- return $this->mxchat_generate_response_openai(
3572		- $selected_model,
3573		- $api_key,
3574		- $conversation_history,
3575		- $relevant_content
3576		- );
3577		-
	4427	+ if ($streaming) {
	4428	+ return $this->mxchat_generate_response_openai_stream(
	4429	+ $selected_model,
	4430	+ $api_key,
	4431	+ $conversation_history,
	4432	+ $relevant_content,
	4433	+ $session_id,
	4434	+ $testing_data // Pass testing data
	4435	+ );
	4436	+ } else {
	4437	+ $response = $this->mxchat_generate_response_openai(
	4438	+ $selected_model,
	4439	+ $api_key,
	4440	+ $conversation_history,
	4441	+ $relevant_content
	4442	+ );
	4443	+ }
	4444	+ break;
	4445	+
3578	4446	default:
3579	4447	// Default to OpenAI for custom models or unrecognized prefixes
3580	4448	if (empty($api_key)) {
3581		- throw new Exception(esc_html__('OpenAI API key is not configured', 'mxchat'));
	4449	+ $error_response = [
	4450	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	4451	+ 'error_code' => 'missing_openai_api_key'
	4452	+ ];
	4453	+ if ($testing_data !== null) {
	4454	+ $error_response['testing_data'] = $testing_data;
	4455	+ }
	4456	+ return $error_response;
3582	4457	}
3583		- return $this->mxchat_generate_response_openai(
3584		- $selected_model,
3585		- $api_key,
3586		- $conversation_history,
3587		- $relevant_content
3588		- );
	4458	+ if ($streaming) {
	4459	+ return $this->mxchat_generate_response_openai_stream(
	4460	+ $selected_model,
	4461	+ $api_key,
	4462	+ $conversation_history,
	4463	+ $relevant_content,
	4464	+ $session_id,
	4465	+ $testing_data // Pass testing data
	4466	+ );
	4467	+ } else {
	4468	+ $response = $this->mxchat_generate_response_openai(
	4469	+ $selected_model,
	4470	+ $api_key,
	4471	+ $conversation_history,
	4472	+ $relevant_content
	4473	+ );
	4474	+ }
	4475	+ break;
3589	4476	}
	4477	+
	4478	+ // Check if the response is an error array from the provider-specific function
	4479	+ if (is_array($response) && isset($response['error'])) {
	4480	+ // Add testing data to error response if available
	4481	+ if ($testing_data !== null) {
	4482	+ $response['testing_data'] = $testing_data;
	4483	+ //error_log("MxChat Testing: Added testing data to provider error response");
	4484	+ }
	4485	+ return $response; // Pass through the error with testing data
	4486	+ }
	4487	+
	4488	+ // For successful non-streaming responses, we don't add testing data here
	4489	+ // because it will be added in the main handler
	4490	+ return $response;
	4491	+
3590	4492	} catch (Exception $e) {
3591	4493	//error_log('MXChat Error: ' . $e->getMessage());
3592		- return sprintf(
3593		- esc_html__('An error occurred: %s', 'mxchat'),
3594		- esc_html($e->getMessage())
3595		- );
	4494	+ $error_response = [
	4495	+ 'error' => sprintf(esc_html__('An error occurred: %s', 'mxchat'), esc_html($e->getMessage())),
	4496	+ 'error_code' => 'system_exception',
	4497	+ 'exception_details' => $e->getMessage()
	4498	+ ];
	4499	+
	4500	+ // Add testing data to exception response if available
	4501	+ if ($testing_data !== null) {
	4502	+ $error_response['testing_data'] = $testing_data;
	4503	+ //error_log("MxChat Testing: Added testing data to exception response");
	4504	+ }
	4505	+
	4506	+ return $error_response;
3596	4507	}
3597	4508	}
3598	4509
	4510	+private function mxchat_generate_response_openai_stream($selected_model, $api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4511	+ try {
	4512	+ $bot_id = $this->get_current_bot_id($session_id);
	4513	+
	4514	+ // Get system prompt instructions using centralized function
	4515	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	4516	+
	4517	+ // Ensure conversation_history is an array
	4518	+ if (!is_array($conversation_history)) {
	4519	+ $conversation_history = array();
	4520	+ }
3599	4521
3600		-private function mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content) {
3601		- // Ensure conversation_history is an array
3602		- if (!is_array($conversation_history)) {
3603		- $conversation_history = array();
3604		- }
	4522	+ // Format conversation history for OpenAI
	4523	+ $formatted_conversation = array();
3605	4524
3606		- // Get system prompt instructions from options
3607		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4525	+ $formatted_conversation[] = array(
	4526	+ 'role' => 'system',
	4527	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	4528	+ );
3608	4529
3609		- // Create a new array for the formatted conversation
3610		- $formatted_conversation = array();
	4530	+ foreach ($conversation_history as $message) {
	4531	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	4532	+ $role = $message['role'];
	4533	+ if ($role === 'bot' || $role === 'agent') {
	4534	+ $role = 'assistant';
	4535	+ }
	4536	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	4537	+ $role = 'user';
	4538	+ }
	4539	+ $formatted_conversation[] = array(
	4540	+ 'role' => $role,
	4541	+ 'content' => $message['content']
	4542	+ );
	4543	+ }
	4544	+ }
3611	4545
3612		- // Add system message first
3613		- $formatted_conversation[] = array(
3614		- 'role' => 'system',
3615		- 'content' => $system_prompt_instructions . " " . $relevant_content
3616		- );
	4546	+ // Check if we can actually stream
	4547	+ if (headers_sent() || !function_exists('curl_init')) {
	4548	+ // Fallback to regular response with testing data
	4549	+ $regular_response = $this->mxchat_generate_response_openai(
	4550	+ $selected_model,
	4551	+ $api_key,
	4552	+ $conversation_history,
	4553	+ $relevant_content
	4554	+ );
	4555	+
	4556	+ $response_data = [
	4557	+ 'text' => $regular_response,
	4558	+ 'html' => '',
	4559	+ 'session_id' => $session_id
	4560	+ ];
	4561	+
	4562	+ if ($testing_data !== null) {
	4563	+ $response_data['testing_data'] = $testing_data;
	4564	+ }
	4565	+
	4566	+ header('Content-Type: application/json');
	4567	+ echo json_encode($response_data);
	4568	+ return true;
	4569	+ }
3617	4570
3618		- // Add the rest of the conversation history
3619		- foreach ($conversation_history as $message) {
3620		- if (is_array($message) && isset($message['role']) && isset($message['content'])) {
3621		- $role = $message['role'];
	4571	+ // Prepare the request body with stream: true
	4572	+ $body = json_encode([
	4573	+ 'model' => $selected_model,
	4574	+ 'messages' => $formatted_conversation,
	4575	+ 'temperature' => 1,
	4576	+ 'stream' => true
	4577	+ ]);
3622	4578
3623		- // Convert roles to supported format
3624		- if ($role === 'bot' || $role === 'agent') {
3625		- $role = 'assistant';
	4579	+ // Use cURL for streaming support
	4580	+ $ch = curl_init();
	4581	+ curl_setopt($ch, CURLOPT_URL, 'https://api.openai.com/v1/chat/completions');
	4582	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4583	+ curl_setopt($ch, CURLOPT_POST, true);
	4584	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4585	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4586	+ 'Content-Type: application/json',
	4587	+ 'Authorization: Bearer ' . $api_key
	4588	+ ));
	4589	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4590	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	4591	+
	4592	+ $full_response = ''; // Accumulate full response for saving
	4593	+ $stream_started = false;
	4594	+ $buffer = ''; // CRITICAL: Add persistent buffer for incomplete chunks
	4595	+
	4596	+ // Buffer control for real-time streaming
	4597	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, &$buffer, $testing_data) {
	4598	+ // Send testing data as the first event if available
	4599	+ if (!$stream_started && $testing_data !== null) {
	4600	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4601	+ flush();
	4602	+ $stream_started = true;
3626	4603	}
3627		- if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
3628		- $role = 'user';
	4604	+
	4605	+ // CRITICAL FIX: Append new data to buffer
	4606	+ $buffer .= $data;
	4607	+
	4608	+ // Process complete lines only
	4609	+ $lines = explode("\n", $buffer);
	4610	+
	4611	+ // CRITICAL FIX: Keep the last incomplete line in the buffer
	4612	+ // The last element might be incomplete, so keep it in buffer
	4613	+ $buffer = array_pop($lines);
	4614	+
	4615	+ foreach ($lines as $line) {
	4616	+ // Skip empty lines
	4617	+ if (trim($line) === '') {
	4618	+ continue;
	4619	+ }
	4620	+
	4621	+ // Only process lines that start with "data: "
	4622	+ if (strpos($line, 'data: ') !== 0) {
	4623	+ continue;
	4624	+ }
	4625	+
	4626	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	4627	+
	4628	+ if (trim($json_str) === '[DONE]') {
	4629	+ echo "data: [DONE]\n\n";
	4630	+ flush();
	4631	+ continue;
	4632	+ }
	4633	+
	4634	+ // Try to decode JSON
	4635	+ $json = json_decode(trim($json_str), true);
	4636	+ if ($json && isset($json['choices'][0]['delta']['content'])) {
	4637	+ $content = $json['choices'][0]['delta']['content'];
	4638	+ $full_response .= $content; // Accumulate the full response
	4639	+
	4640	+ // Send as SSE format
	4641	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	4642	+ flush();
	4643	+ }
3629	4644	}
3630		-
3631		- $formatted_conversation[] = array(
3632		- 'role' => $role,
3633		- 'content' => $message['content']
	4645	+
	4646	+ return strlen($data);
	4647	+ });
	4648	+
	4649	+ $response = curl_exec($ch);
	4650	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	4651	+
	4652	+ if (curl_errno($ch) || $http_code !== 200) {
	4653	+ curl_close($ch);
	4654	+
	4655	+ // Fallback to regular response
	4656	+ $regular_response = $this->mxchat_generate_response_openai(
	4657	+ $selected_model,
	4658	+ $api_key,
	4659	+ $conversation_history,
	4660	+ $relevant_content
3634	4661	);
	4662	+
	4663	+ $response_data = [
	4664	+ 'text' => $regular_response,
	4665	+ 'html' => '',
	4666	+ 'session_id' => $session_id
	4667	+ ];
	4668	+
	4669	+ if ($testing_data !== null) {
	4670	+ $response_data['testing_data'] = $testing_data;
	4671	+ }
	4672	+
	4673	+ header('Content-Type: application/json');
	4674	+ echo json_encode($response_data);
	4675	+ return true;
3635	4676	}
	4677	+
	4678	+ curl_close($ch);
	4679	+
	4680	+ // Save the complete response to maintain chat persistence
	4681	+ if (!empty($full_response) && !empty($session_id)) {
	4682	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	4683	+ }
	4684	+
	4685	+ return true; // Indicate streaming completed successfully
	4686	+
	4687	+ } catch (Exception $e) {
	4688	+ // Fallback to regular response
	4689	+ $regular_response = $this->mxchat_generate_response_openai(
	4690	+ $selected_model,
	4691	+ $api_key,
	4692	+ $conversation_history,
	4693	+ $relevant_content
	4694	+ );
	4695	+
	4696	+ $response_data = [
	4697	+ 'text' => $regular_response,
	4698	+ 'html' => '',
	4699	+ 'session_id' => $session_id
	4700	+ ];
	4701	+
	4702	+ if ($testing_data !== null) {
	4703	+ $response_data['testing_data'] = $testing_data;
	4704	+ }
	4705	+
	4706	+ header('Content-Type: application/json');
	4707	+ echo json_encode($response_data);
	4708	+ return true;
3636	4709	}
	4710	+}
	4711	+private function mxchat_generate_response_claude_stream($selected_model, $claude_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4712	+ try {
	4713	+ // Get bot ID from session or request
	4714	+ $bot_id = $this->get_current_bot_id($session_id);
	4715	+
	4716	+ // Get system prompt instructions using centralized function
	4717	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	4718	+ // Ensure conversation_history is an array
	4719	+ if (!is_array($conversation_history)) {
	4720	+ $conversation_history = array();
	4721	+ }
3637	4722
3638		- $body = json_encode([
3639		- 'model' => $selected_model,
3640		- 'messages' => $formatted_conversation,
3641		- 'temperature' => 0.8,
3642		- 'stream' => false
3643		- ]);
	4723	+ // Clean and validate conversation history
	4724	+ foreach ($conversation_history as &$message) {
	4725	+ // Convert bot and agent roles to assistant
	4726	+ if ($message['role'] === 'bot' || $message['role'] === 'agent') {
	4727	+ $message['role'] = 'assistant';
	4728	+ }
	4729	+
	4730	+ // Remove unsupported roles - Claude only supports 'assistant' and 'user'
	4731	+ if (!in_array($message['role'], ['assistant', 'user'])) {
	4732	+ $message['role'] = 'user';
	4733	+ }
3644	4734
3645		- $args = [
3646		- 'body' => $body,
3647		- 'headers' => [
3648		- 'Content-Type' => 'application/json',
3649		- 'Authorization' => 'Bearer ' . $deepseek_api_key,
3650		- ],
3651		- 'timeout' => 60,
3652		- 'redirection' => 5,
3653		- 'blocking' => true,
3654		- 'httpversion' => '1.0',
3655		- 'sslverify' => true,
3656		- ];
	4735	+ // Ensure content field exists
	4736	+ if (!isset($message['content']) || empty($message['content'])) {
	4737	+ $message['content'] = '';
	4738	+ }
3657	4739
3658		- $response = wp_remote_post('https://api.deepseek.com/v1/chat/completions', $args);
	4740	+ // Remove any unsupported fields
	4741	+ $message = array_intersect_key($message, array_flip(['role', 'content']));
	4742	+ }
3659	4743
3660		- if (is_wp_error($response)) {
3661		- //error_log('DeepSeek API Error: ' . $response->get_error_message());
3662		- return "Sorry, there was an error processing your request.";
3663		- }
	4744	+ // Add relevant content as the latest user message
	4745	+ $conversation_history[] = [
	4746	+ 'role' => 'user',
	4747	+ 'content' => $relevant_content
	4748	+ ];
3664	4749
3665		- $response_body = wp_remote_retrieve_body($response);
3666		- $decoded_response = json_decode($response_body, true);
	4750	+ // Prepare the request body with stream: true
	4751	+ $body = json_encode([
	4752	+ 'model' => $selected_model,
	4753	+ 'messages' => $conversation_history,
	4754	+ 'max_tokens' => 1000,
	4755	+ 'temperature' => 0.8,
	4756	+ 'system' => $system_prompt_instructions,
	4757	+ 'stream' => true
	4758	+ ]);
3667	4759
3668		- if (isset($decoded_response['choices'][0]['message']['content'])) {
3669		- return trim($decoded_response['choices'][0]['message']['content']);
3670		- } else {
3671		- //error_log('DeepSeek API Response Format Error: ' . print_r($decoded_response, true));
3672		- return "Sorry, I couldn't process that request.";
3673		- }
3674		-}
	4760	+ // Check if we can actually stream (headers not sent, etc.)
	4761	+ if (headers_sent() || !function_exists('curl_init')) {
	4762	+ // Fallback to regular response with testing data
	4763	+ //error_log("MxChat: Streaming not possible, falling back to regular response");
	4764	+ $regular_response = $this->mxchat_generate_response_claude(
	4765	+ $selected_model,
	4766	+ $claude_api_key,
	4767	+ array_slice($conversation_history, 0, -1), // Remove the added content
	4768	+ $relevant_content
	4769	+ );
	4770	+
	4771	+ // Return as JSON with testing data
	4772	+ $response_data = [
	4773	+ 'text' => $regular_response,
	4774	+ 'html' => '',
	4775	+ 'session_id' => $session_id
	4776	+ ];
	4777	+
	4778	+ if ($testing_data !== null) {
	4779	+ $response_data['testing_data'] = $testing_data;
	4780	+ //error_log("MxChat Testing: Added testing data to Claude fallback response");
	4781	+ }
	4782	+
	4783	+ // Clear any streaming headers and send JSON
	4784	+ if (headers_sent() === false) {
	4785	+ header('Content-Type: application/json');
	4786	+ }
	4787	+ echo json_encode($response_data);
	4788	+ return true; // Indicate we handled the response
	4789	+ }
3675	4790
3676		-private function mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content) {
3677		- // Ensure conversation_history is an array
3678		- if (!is_array($conversation_history)) {
3679		- $conversation_history = array();
3680		- }
	4791	+ // Use cURL for streaming support
	4792	+ $ch = curl_init();
	4793	+ curl_setopt($ch, CURLOPT_URL, 'https://api.anthropic.com/v1/messages');
	4794	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4795	+ curl_setopt($ch, CURLOPT_POST, true);
	4796	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4797	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4798	+ 'Content-Type: application/json',
	4799	+ 'x-api-key: ' . $claude_api_key,
	4800	+ 'anthropic-version: 2023-06-01'
	4801	+ ));
	4802	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4803	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
3681	4804
3682		- // Get system prompt instructions from options
3683		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4805	+ $full_response = ''; // Accumulate full response for saving
	4806	+ $stream_started = false;
	4807	+ $buffer = ''; // CRITICAL: Add persistent buffer for incomplete chunks
3684	4808
3685		- // Create a new array for the formatted conversation
3686		- $formatted_conversation = array();
	4809	+ // Buffer control for real-time streaming
	4810	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, &$buffer, $testing_data) {
	4811	+ // Send testing data as the first event if available
	4812	+ if (!$stream_started && $testing_data !== null) {
	4813	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4814	+ flush();
	4815	+ $stream_started = true;
	4816	+ //error_log("MxChat Testing: Sent testing data in Claude stream");
	4817	+ }
	4818	+
	4819	+ // CRITICAL FIX: Append new data to buffer
	4820	+ $buffer .= $data;
	4821	+
	4822	+ // Process complete lines only
	4823	+ $lines = explode("\n", $buffer);
	4824	+
	4825	+ // CRITICAL FIX: Keep the last incomplete line in the buffer
	4826	+ // The last element might be incomplete, so keep it in buffer
	4827	+ $buffer = array_pop($lines);
3687	4828
3688		- // Add system message first
3689		- $formatted_conversation[] = array(
3690		- 'role' => 'system',
3691		- 'content' => $system_prompt_instructions . " " . $relevant_content
3692		- );
	4829	+ foreach ($lines as $line) {
	4830	+ if (trim($line) === '') {
	4831	+ continue;
	4832	+ }
3693	4833
3694		- // Add the rest of the conversation history
3695		- foreach ($conversation_history as $message) {
3696		- if (is_array($message) && isset($message['role']) && isset($message['content'])) {
3697		- $role = $message['role'];
	4834	+ // Claude uses event: and data: format
	4835	+ if (strpos($line, 'event: ') === 0) {
	4836	+ // Store the event type for the next data line
	4837	+ continue;
	4838	+ }
3698	4839
3699		- // Convert roles to supported format
3700		- if ($role === 'bot' || $role === 'agent') {
3701		- $role = 'assistant';
	4840	+ if (strpos($line, 'data: ') === 0) {
	4841	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	4842	+
	4843	+ $json = json_decode(trim($json_str), true);
	4844	+ if (json_last_error() !== JSON_ERROR_NONE) {
	4845	+ continue;
	4846	+ }
	4847	+
	4848	+ // Handle different event types
	4849	+ if (isset($json['type'])) {
	4850	+ switch ($json['type']) {
	4851	+ case 'content_block_delta':
	4852	+ if (isset($json['delta']['text'])) {
	4853	+ $content = $json['delta']['text'];
	4854	+ $full_response .= $content; // Accumulate
	4855	+ // Send as SSE format compatible with your frontend
	4856	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	4857	+ flush();
	4858	+ }
	4859	+ break;
	4860	+
	4861	+ case 'message_stop':
	4862	+ echo "data: [DONE]\n\n";
	4863	+ flush();
	4864	+ break;
	4865	+
	4866	+ case 'error':
	4867	+ echo "data: " . json_encode(['error' => $json['error']['message'] ?? 'Unknown error']) . "\n\n";
	4868	+ flush();
	4869	+ break;
	4870	+ }
	4871	+ }
	4872	+ }
3702	4873	}
3703		- if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
3704		- $role = 'user';
3705		- }
3706	4874
3707		- $formatted_conversation[] = array(
3708		- 'role' => $role,
3709		- 'content' => $message['content']
3710		- );
	4875	+ return strlen($data);
	4876	+ });
	4877	+
	4878	+ $response = curl_exec($ch);
	4879	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	4880	+
	4881	+ if (curl_errno($ch)) {
	4882	+ curl_close($ch);
	4883	+ throw new Exception('cURL Error: ' . curl_error($ch));
3711	4884	}
3712		- }
3713	4885
3714		- $body = json_encode([
3715		- 'model' => $selected_model,
3716		- 'messages' => $formatted_conversation,
3717		- 'temperature' => 0.8,
3718		- 'stream' => false
3719		- ]);
	4886	+ curl_close($ch);
3720	4887
3721		- $args = [
3722		- 'body' => $body,
3723		- 'headers' => [
3724		- 'Content-Type' => 'application/json',
3725		- 'Authorization' => 'Bearer ' . $api_key,
3726		- ],
3727		- 'timeout' => 60,
3728		- 'redirection' => 5,
3729		- 'blocking' => true,
3730		- 'httpversion' => '1.0',
3731		- 'sslverify' => true,
3732		- ];
	4888	+ if ($http_code !== 200) {
	4889	+ // Fallback to regular response
	4890	+ //error_log("MxChat: Claude streaming failed with HTTP $http_code, falling back");
	4891	+ $regular_response = $this->mxchat_generate_response_claude(
	4892	+ $selected_model,
	4893	+ $claude_api_key,
	4894	+ array_slice($conversation_history, 0, -1), // Remove the added content
	4895	+ $relevant_content
	4896	+ );
	4897	+
	4898	+ $response_data = [
	4899	+ 'text' => $regular_response,
	4900	+ 'html' => '',
	4901	+ 'session_id' => $session_id
	4902	+ ];
	4903	+
	4904	+ if ($testing_data !== null) {
	4905	+ $response_data['testing_data'] = $testing_data;
	4906	+ //error_log("MxChat Testing: Added testing data to Claude error fallback");
	4907	+ }
	4908	+
	4909	+ header('Content-Type: application/json');
	4910	+ echo json_encode($response_data);
	4911	+ return true;
	4912	+ }
3733	4913
3734		- $response = wp_remote_post('https://api.openai.com/v1/chat/completions', $args);
	4914	+ // Save the complete response to maintain chat persistence
	4915	+ if (!empty($full_response) && !empty($session_id)) {
	4916	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	4917	+ }
3735	4918
3736		- if (is_wp_error($response)) {
3737		- //error_log('OpenAI API Error: ' . $response->get_error_message());
3738		- return "Sorry, there was an error processing your request.";
3739		- }
	4919	+ return true; // Indicate streaming completed successfully
3740	4920
3741		- $response_body = wp_remote_retrieve_body($response);
3742		- $decoded_response = json_decode($response_body, true);
3743		-
3744		- if (isset($decoded_response['choices'][0]['message']['content'])) {
3745		- return trim($decoded_response['choices'][0]['message']['content']);
3746		- } else {
3747		- //error_log('OpenAI API Response Format Error: ' . print_r($decoded_response, true));
3748		- return "Sorry, I couldn't process that request.";
	4921	+ } catch (Exception $e) {
	4922	+ //error_log("MxChat Claude streaming exception: " . $e->getMessage());
	4923	+
	4924	+ // Fallback to regular response on exception
	4925	+ $regular_response = $this->mxchat_generate_response_claude(
	4926	+ $selected_model,
	4927	+ $claude_api_key,
	4928	+ $conversation_history,
	4929	+ $relevant_content
	4930	+ );
	4931	+
	4932	+ $response_data = [
	4933	+ 'text' => $regular_response,
	4934	+ 'html' => '',
	4935	+ 'session_id' => $session_id
	4936	+ ];
	4937	+
	4938	+ if ($testing_data !== null) {
	4939	+ $response_data['testing_data'] = $testing_data;
	4940	+ //error_log("MxChat Testing: Added testing data to Claude exception fallback");
	4941	+ }
	4942	+
	4943	+ header('Content-Type: application/json');
	4944	+ echo json_encode($response_data);
	4945	+ return true;
3749	4946	}
3750	4947	}
3751		-private function mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content) {
3752		- // Get system prompt instructions from options
3753		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4948	+private function mxchat_generate_response_xai_stream($selected_model, $xai_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4949	+ try {
	4950	+ // Get bot ID from session or request
	4951	+ $bot_id = $this->get_current_bot_id($session_id);
	4952	+
	4953	+ // Get system prompt instructions using centralized function
	4954	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	4955	+
	4956	+ // Ensure conversation_history is an array
	4957	+ if (!is_array($conversation_history)) {
	4958	+ $conversation_history = array();
	4959	+ }
3754	4960
3755		- // Add system prompt to relevant content
3756		- $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	4961	+ // Format conversation history for X.AI (same as OpenAI format)
	4962	+ $formatted_conversation = array();
3757	4963
3758		- // Prepend system instructions to the conversation history
3759		- array_unshift($conversation_history, [
3760		- 'role' => 'system',
3761		- 'content' => "Here are your instructions: " . $content_with_instructions
3762		- ]);
	4964	+ $formatted_conversation[] = array(
	4965	+ 'role' => 'system',
	4966	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	4967	+ );
3763	4968
3764		- // Ensure consistency: Replace 'bot' and 'agent' roles with supported values
3765		- foreach ($conversation_history as &$message) {
3766		- if ($message['role'] === 'bot') {
3767		- $message['role'] = 'assistant';
3768		- } elseif ($message['role'] === 'agent') {
3769		- // Tag the message as coming from a live agent
3770		- $message['role'] = 'assistant';
3771		- if (!isset($message['metadata'])) {
3772		- $message['metadata'] = ['source' => 'live_agent'];
	4969	+ foreach ($conversation_history as $message) {
	4970	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	4971	+ $role = $message['role'];
	4972	+ if ($role === 'bot' || $role === 'agent') {
	4973	+ $role = 'assistant';
	4974	+ }
	4975	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	4976	+ $role = 'user';
	4977	+ }
	4978	+ $formatted_conversation[] = array(
	4979	+ 'role' => $role,
	4980	+ 'content' => $message['content']
	4981	+ );
3773	4982	}
3774	4983	}
3775	4984
3776		- // Ensure all roles are valid
3777		- if (!in_array($message['role'], ['system', 'assistant', 'user', 'function', 'tool'])) {
3778		- $message['role'] = 'user'; // Default to 'user'
	4985	+ // Check if we can actually stream
	4986	+ if (headers_sent() || !function_exists('curl_init')) {
	4987	+ // Fallback to regular response with testing data
	4988	+ //error_log("MxChat: X.AI streaming not possible, falling back to regular response");
	4989	+ $regular_response = $this->mxchat_generate_response_xai(
	4990	+ $selected_model,
	4991	+ $xai_api_key,
	4992	+ $conversation_history,
	4993	+ $relevant_content
	4994	+ );
	4995	+
	4996	+ $response_data = [
	4997	+ 'text' => $regular_response,
	4998	+ 'html' => '',
	4999	+ 'session_id' => $session_id
	5000	+ ];
	5001	+
	5002	+ if ($testing_data !== null) {
	5003	+ $response_data['testing_data'] = $testing_data;
	5004	+ //error_log("MxChat Testing: Added testing data to X.AI fallback response");
	5005	+ }
	5006	+
	5007	+ header('Content-Type: application/json');
	5008	+ echo json_encode($response_data);
	5009	+ return true;
3779	5010	}
	5011	+
	5012	+ // Prepare the request body with stream: true
	5013	+ $body = json_encode([
	5014	+ 'model' => $selected_model,
	5015	+ 'messages' => $formatted_conversation,
	5016	+ 'temperature' => 0.8,
	5017	+ 'stream' => true
	5018	+ ]);
	5019	+
	5020	+ // Use cURL for streaming support
	5021	+ $ch = curl_init();
	5022	+ curl_setopt($ch, CURLOPT_URL, 'https://api.x.ai/v1/chat/completions');
	5023	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	5024	+ curl_setopt($ch, CURLOPT_POST, true);
	5025	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	5026	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	5027	+ 'Content-Type: application/json',
	5028	+ 'Authorization: Bearer ' . $xai_api_key
	5029	+ ));
	5030	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	5031	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	5032	+
	5033	+ $full_response = ''; // Accumulate full response for saving
	5034	+ $stream_started = false;
	5035	+ $buffer = ''; // CRITICAL: Add persistent buffer for incomplete chunks
	5036	+
	5037	+ // Buffer control for real-time streaming
	5038	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, &$buffer, $testing_data) {
	5039	+ // Send testing data as the first event if available
	5040	+ if (!$stream_started && $testing_data !== null) {
	5041	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	5042	+ flush();
	5043	+ $stream_started = true;
	5044	+ //error_log("MxChat Testing: Sent testing data in X.AI stream");
	5045	+ }
	5046	+
	5047	+ // CRITICAL FIX: Append new data to buffer
	5048	+ $buffer .= $data;
	5049	+
	5050	+ // Process complete lines only
	5051	+ $lines = explode("\n", $buffer);
	5052	+
	5053	+ // CRITICAL FIX: Keep the last incomplete line in the buffer
	5054	+ // The last element might be incomplete, so keep it in buffer
	5055	+ $buffer = array_pop($lines);
	5056	+
	5057	+ foreach ($lines as $line) {
	5058	+ // Skip empty lines
	5059	+ if (trim($line) === '') {
	5060	+ continue;
	5061	+ }
	5062	+
	5063	+ // Only process lines that start with "data: "
	5064	+ if (strpos($line, 'data: ') !== 0) {
	5065	+ continue;
	5066	+ }
	5067	+
	5068	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	5069	+
	5070	+ if (trim($json_str) === '[DONE]') {
	5071	+ echo "data: [DONE]\n\n";
	5072	+ flush();
	5073	+ continue;
	5074	+ }
	5075	+
	5076	+ // Try to decode JSON
	5077	+ $json = json_decode(trim($json_str), true);
	5078	+ if ($json && isset($json['choices'][0]['delta']['content'])) {
	5079	+ $content = $json['choices'][0]['delta']['content'];
	5080	+ $full_response .= $content; // Accumulate
	5081	+ // Send as SSE format
	5082	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	5083	+ flush();
	5084	+ }
	5085	+ }
	5086	+
	5087	+ return strlen($data);
	5088	+ });
	5089	+
	5090	+ $response = curl_exec($ch);
	5091	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	5092	+
	5093	+ if (curl_errno($ch) || $http_code !== 200) {
	5094	+ curl_close($ch);
	5095	+
	5096	+ // Fallback to regular response
	5097	+ //error_log("MxChat: X.AI streaming failed, falling back");
	5098	+ $regular_response = $this->mxchat_generate_response_xai(
	5099	+ $selected_model,
	5100	+ $xai_api_key,
	5101	+ $conversation_history,
	5102	+ $relevant_content
	5103	+ );
	5104	+
	5105	+ $response_data = [
	5106	+ 'text' => $regular_response,
	5107	+ 'html' => '',
	5108	+ 'session_id' => $session_id
	5109	+ ];
	5110	+
	5111	+ if ($testing_data !== null) {
	5112	+ $response_data['testing_data'] = $testing_data;
	5113	+ //error_log("MxChat Testing: Added testing data to X.AI error fallback");
	5114	+ }
	5115	+
	5116	+ header('Content-Type: application/json');
	5117	+ echo json_encode($response_data);
	5118	+ return true;
	5119	+ }
	5120	+
	5121	+ curl_close($ch);
	5122	+
	5123	+ // Save the complete response to maintain chat persistence
	5124	+ if (!empty($full_response) && !empty($session_id)) {
	5125	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	5126	+ }
	5127	+
	5128	+ return true; // Indicate streaming completed successfully
	5129	+
	5130	+ } catch (Exception $e) {
	5131	+ //error_log("MxChat X.AI streaming exception: " . $e->getMessage());
	5132	+
	5133	+ // Fallback to regular response
	5134	+ $regular_response = $this->mxchat_generate_response_xai(
	5135	+ $selected_model,
	5136	+ $xai_api_key,
	5137	+ $conversation_history,
	5138	+ $relevant_content
	5139	+ );
	5140	+
	5141	+ $response_data = [
	5142	+ 'text' => $regular_response,
	5143	+ 'html' => '',
	5144	+ 'session_id' => $session_id
	5145	+ ];
	5146	+
	5147	+ if ($testing_data !== null) {
	5148	+ $response_data['testing_data'] = $testing_data;
	5149	+ //error_log("MxChat Testing: Added testing data to X.AI exception fallback");
	5150	+ }
	5151	+
	5152	+ header('Content-Type: application/json');
	5153	+ echo json_encode($response_data);
	5154	+ return true;
3780	5155	}
	5156	+}
	5157	+private function mxchat_generate_response_deepseek_stream($selected_model, $deepseek_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	5158	+ try {
	5159	+ // Get bot ID from session or request
	5160	+ $bot_id = $this->get_current_bot_id($session_id);
	5161	+
	5162	+ // Get system prompt instructions using centralized function
	5163	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	5164	+
	5165	+ // Ensure conversation_history is an array
	5166	+ if (!is_array($conversation_history)) {
	5167	+ $conversation_history = array();
	5168	+ }
3781	5169
	5170	+ // Format conversation history for DeepSeek
	5171	+ $formatted_conversation = array();
3782	5172
3783		- // Build the request body
3784		- $body = json_encode([
3785		- 'model' => $selected_model,
3786		- 'messages' => $conversation_history,
3787		- 'temperature' => 0.8,
3788		- 'stream' => false
3789		- ]);
	5173	+ $formatted_conversation[] = array(
	5174	+ 'role' => 'system',
	5175	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	5176	+ );
3790	5177
3791		- // Set up the API request
3792		- $args = [
3793		- 'body' => $body,
3794		- 'headers' => [
3795		- 'Content-Type' => 'application/json',
3796		- 'Authorization' => 'Bearer ' . $xai_api_key,
3797		- ],
3798		- 'timeout' => 60,
3799		- 'redirection' => 5,
3800		- 'blocking' => true,
3801		- 'httpversion' => '1.0',
3802		- 'sslverify' => true,
3803		- ];
	5178	+ foreach ($conversation_history as $message) {
	5179	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	5180	+ $role = $message['role'];
	5181	+ if ($role === 'bot' || $role === 'agent') {
	5182	+ $role = 'assistant';
	5183	+ }
	5184	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	5185	+ $role = 'user';
	5186	+ }
	5187	+ $formatted_conversation[] = array(
	5188	+ 'role' => $role,
	5189	+ 'content' => $message['content']
	5190	+ );
	5191	+ }
	5192	+ }
3804	5193
3805		- // Make the API request
3806		- $response = wp_remote_post('https://api.x.ai/v1/chat/completions', $args);
	5194	+ // Check if we can actually stream
	5195	+ if (headers_sent() || !function_exists('curl_init')) {
	5196	+ // Fallback to regular response with testing data
	5197	+ //error_log("MxChat: DeepSeek streaming not possible, falling back to regular response");
	5198	+ $regular_response = $this->mxchat_generate_response_deepseek(
	5199	+ $selected_model,
	5200	+ $deepseek_api_key,
	5201	+ $conversation_history,
	5202	+ $relevant_content
	5203	+ );
	5204	+
	5205	+ $response_data = [
	5206	+ 'text' => $regular_response,
	5207	+ 'html' => '',
	5208	+ 'session_id' => $session_id
	5209	+ ];
	5210	+
	5211	+ if ($testing_data !== null) {
	5212	+ $response_data['testing_data'] = $testing_data;
	5213	+ //error_log("MxChat Testing: Added testing data to DeepSeek fallback response");
	5214	+ }
	5215	+
	5216	+ header('Content-Type: application/json');
	5217	+ echo json_encode($response_data);
	5218	+ return true;
	5219	+ }
3807	5220
3808		- // Process the response
3809		- if (is_wp_error($response)) {
3810		- return "Sorry, there was an error processing your request.";
3811		- }
	5221	+ // Prepare the request body with stream: true
	5222	+ $body = json_encode([
	5223	+ 'model' => $selected_model,
	5224	+ 'messages' => $formatted_conversation,
	5225	+ 'temperature' => 0.8,
	5226	+ 'stream' => true
	5227	+ ]);
3812	5228
3813		- $response_body = json_decode(wp_remote_retrieve_body($response), true);
3814		-
3815		- if (isset($response_body['choices'][0]['message']['content'])) {
3816		- return trim($response_body['choices'][0]['message']['content']);
3817		- } else {
3818		- return "Sorry, I couldn't process that request.";
	5229	+ // Use cURL for streaming support
	5230	+ $ch = curl_init();
	5231	+ curl_setopt($ch, CURLOPT_URL, 'https://api.deepseek.com/v1/chat/completions');
	5232	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	5233	+ curl_setopt($ch, CURLOPT_POST, true);
	5234	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	5235	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	5236	+ 'Content-Type: application/json',
	5237	+ 'Authorization: Bearer ' . $deepseek_api_key
	5238	+ ));
	5239	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	5240	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	5241	+
	5242	+ $full_response = ''; // Accumulate full response for saving
	5243	+ $stream_started = false;
	5244	+ $buffer = ''; // CRITICAL: Add persistent buffer for incomplete chunks
	5245	+
	5246	+ // Buffer control for real-time streaming
	5247	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, &$buffer, $testing_data) {
	5248	+ // Send testing data as the first event if available
	5249	+ if (!$stream_started && $testing_data !== null) {
	5250	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	5251	+ flush();
	5252	+ $stream_started = true;
	5253	+ //error_log("MxChat Testing: Sent testing data in DeepSeek stream");
	5254	+ }
	5255	+
	5256	+ // CRITICAL FIX: Append new data to buffer
	5257	+ $buffer .= $data;
	5258	+
	5259	+ // Process complete lines only
	5260	+ $lines = explode("\n", $buffer);
	5261	+
	5262	+ // CRITICAL FIX: Keep the last incomplete line in the buffer
	5263	+ // The last element might be incomplete, so keep it in buffer
	5264	+ $buffer = array_pop($lines);
	5265	+
	5266	+ foreach ($lines as $line) {
	5267	+ // Skip empty lines
	5268	+ if (trim($line) === '') {
	5269	+ continue;
	5270	+ }
	5271	+
	5272	+ // Only process lines that start with "data: "
	5273	+ if (strpos($line, 'data: ') !== 0) {
	5274	+ continue;
	5275	+ }
	5276	+
	5277	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	5278	+
	5279	+ if (trim($json_str) === '[DONE]') {
	5280	+ echo "data: [DONE]\n\n";
	5281	+ flush();
	5282	+ continue;
	5283	+ }
	5284	+
	5285	+ // Try to decode JSON
	5286	+ $json = json_decode(trim($json_str), true);
	5287	+ if ($json && isset($json['choices'][0]['delta']['content'])) {
	5288	+ $content = $json['choices'][0]['delta']['content'];
	5289	+ $full_response .= $content; // Accumulate the full response
	5290	+
	5291	+ // Send as SSE format
	5292	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	5293	+ flush();
	5294	+ }
	5295	+ }
	5296	+
	5297	+ return strlen($data);
	5298	+ });
	5299	+
	5300	+ $response = curl_exec($ch);
	5301	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	5302	+
	5303	+ if (curl_errno($ch) || $http_code !== 200) {
	5304	+ $curl_error = curl_error($ch);
	5305	+ curl_close($ch);
	5306	+
	5307	+ // Log the specific error for debugging
	5308	+ //error_log("MxChat: DeepSeek streaming failed - HTTP: $http_code, cURL: $curl_error");
	5309	+
	5310	+ // Fallback to regular response
	5311	+ $regular_response = $this->mxchat_generate_response_deepseek(
	5312	+ $selected_model,
	5313	+ $deepseek_api_key,
	5314	+ $conversation_history,
	5315	+ $relevant_content
	5316	+ );
	5317	+
	5318	+ // Handle error response from regular function
	5319	+ if (is_array($regular_response) && isset($regular_response['error'])) {
	5320	+ if ($testing_data !== null) {
	5321	+ $regular_response['testing_data'] = $testing_data;
	5322	+ }
	5323	+ header('Content-Type: application/json');
	5324	+ echo json_encode($regular_response);
	5325	+ return true;
	5326	+ }
	5327	+
	5328	+ $response_data = [
	5329	+ 'text' => $regular_response,
	5330	+ 'html' => '',
	5331	+ 'session_id' => $session_id
	5332	+ ];
	5333	+
	5334	+ if ($testing_data !== null) {
	5335	+ $response_data['testing_data'] = $testing_data;
	5336	+ //error_log("MxChat Testing: Added testing data to DeepSeek error fallback");
	5337	+ }
	5338	+
	5339	+ header('Content-Type: application/json');
	5340	+ echo json_encode($response_data);
	5341	+ return true;
	5342	+ }
	5343	+
	5344	+ curl_close($ch);
	5345	+
	5346	+ // Save the complete response to maintain chat persistence
	5347	+ if (!empty($full_response) && !empty($session_id)) {
	5348	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	5349	+ }
	5350	+
	5351	+ return true; // Indicate streaming completed successfully
	5352	+
	5353	+ } catch (Exception $e) {
	5354	+ //error_log("MxChat DeepSeek streaming exception: " . $e->getMessage());
	5355	+
	5356	+ // Fallback to regular response
	5357	+ $regular_response = $this->mxchat_generate_response_deepseek(
	5358	+ $selected_model,
	5359	+ $deepseek_api_key,
	5360	+ $conversation_history,
	5361	+ $relevant_content
	5362	+ );
	5363	+
	5364	+ // Handle error response from regular function
	5365	+ if (is_array($regular_response) && isset($regular_response['error'])) {
	5366	+ if ($testing_data !== null) {
	5367	+ $regular_response['testing_data'] = $testing_data;
	5368	+ }
	5369	+ header('Content-Type: application/json');
	5370	+ echo json_encode($regular_response);
	5371	+ return true;
	5372	+ }
	5373	+
	5374	+ $response_data = [
	5375	+ 'text' => $regular_response,
	5376	+ 'html' => '',
	5377	+ 'session_id' => $session_id
	5378	+ ];
	5379	+
	5380	+ if ($testing_data !== null) {
	5381	+ $response_data['testing_data'] = $testing_data;
	5382	+ //error_log("MxChat Testing: Added testing data to DeepSeek exception fallback");
	5383	+ }
	5384	+
	5385	+ header('Content-Type: application/json');
	5386	+ echo json_encode($response_data);
	5387	+ return true;
3819	5388	}
3820	5389	}
3821	5390
3822	5391	private function mxchat_generate_response_claude($selected_model, $claude_api_key, $conversation_history, $relevant_content) {
3823		- // Get system prompt instructions from options
3824		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
3825		-
	5392	+
	5393	+ // Get bot ID from session or request
	5394	+ $bot_id = $this->get_current_bot_id($session_id);
	5395	+
	5396	+ // Get system prompt instructions using centralized function
	5397	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	5398	+
3826	5399	// Clean and validate conversation history
3827	5400	foreach ($conversation_history as &$message) {
3828	5401	// Convert bot and agent roles to assistant
3829	5402	if ($message['role'] === 'bot' || $message['role'] === 'agent') {
		@@ -3918,8 +5491,796 @@
3918	5491	// Log unexpected response format
3919	5492	//error_log("Claude API unexpected response format: " . print_r($response_body, true));
3920	5493	return "Sorry, I received an unexpected response format from the API.";
3921	5494	}
	5495	+private function mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content) {
	5496	+ try {
	5497	+ // Ensure conversation_history is an array
	5498	+ if (!is_array($conversation_history)) {
	5499	+ $conversation_history = array();
	5500	+ }
	5501	+
	5502	+ // Get bot ID from session or request
	5503	+ $bot_id = $this->get_current_bot_id($session_id);
	5504	+
	5505	+ // Get system prompt instructions using centralized function
	5506	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	5507	+
	5508	+ // Create a new array for the formatted conversation
	5509	+ $formatted_conversation = array();
	5510	+
	5511	+ // Add system message first
	5512	+ $formatted_conversation[] = array(
	5513	+ 'role' => 'system',
	5514	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	5515	+ );
	5516	+
	5517	+ // Add the rest of the conversation history
	5518	+ foreach ($conversation_history as $message) {
	5519	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	5520	+ $role = $message['role'];
	5521	+
	5522	+ // Convert roles to supported format
	5523	+ if ($role === 'bot' || $role === 'agent') {
	5524	+ $role = 'assistant';
	5525	+ }
	5526	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	5527	+ $role = 'user';
	5528	+ }
	5529	+
	5530	+ $formatted_conversation[] = array(
	5531	+ 'role' => $role,
	5532	+ 'content' => $message['content']
	5533	+ );
	5534	+ }
	5535	+ }
	5536	+
	5537	+ $body = json_encode([
	5538	+ 'model' => $selected_model,
	5539	+ 'messages' => $formatted_conversation,
	5540	+ 'temperature' => 1,
	5541	+ 'stream' => false
	5542	+ ]);
	5543	+
	5544	+ $args = [
	5545	+ 'body' => $body,
	5546	+ 'headers' => [
	5547	+ 'Content-Type' => 'application/json',
	5548	+ 'Authorization' => 'Bearer ' . $api_key,
	5549	+ ],
	5550	+ 'timeout' => 60,
	5551	+ 'redirection' => 5,
	5552	+ 'blocking' => true,
	5553	+ 'httpversion' => '1.0',
	5554	+ 'sslverify' => true,
	5555	+ ];
	5556	+
	5557	+ $response = wp_remote_post('https://api.openai.com/v1/chat/completions', $args);
	5558	+
	5559	+ if (is_wp_error($response)) {
	5560	+ $error_message = $response->get_error_message();
	5561	+ //error_log('OpenAI API Error: ' . $error_message);
	5562	+ return [
	5563	+ 'error' => esc_html__('Connection error when contacting OpenAI: ', 'mxchat') . esc_html($error_message),
	5564	+ 'error_code' => 'openai_connection_error',
	5565	+ 'provider' => 'openai'
	5566	+ ];
	5567	+ }
	5568	+
	5569	+ $status_code = wp_remote_retrieve_response_code($response);
	5570	+ if ($status_code !== 200) {
	5571	+ $response_body = wp_remote_retrieve_body($response);
	5572	+ $decoded_response = json_decode($response_body, true);
	5573	+
	5574	+ $error_message = isset($decoded_response['error']['message'])
	5575	+ ? $decoded_response['error']['message']
	5576	+ : 'HTTP Error ' . $status_code;
	5577	+
	5578	+ $error_type = isset($decoded_response['error']['type'])
	5579	+ ? $decoded_response['error']['type']
	5580	+ : 'unknown';
	5581	+
	5582	+ //error_log('OpenAI API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5583	+
	5584	+ // Handle specific error types
	5585	+ switch ($error_type) {
	5586	+ case 'invalid_request_error':
	5587	+ if (strpos($error_message, 'API key') !== false) {
	5588	+ return [
	5589	+ 'error' => esc_html__('Invalid OpenAI API key. Please check your API key configuration.', 'mxchat'),
	5590	+ 'error_code' => 'openai_invalid_api_key',
	5591	+ 'provider' => 'openai'
	5592	+ ];
	5593	+ }
	5594	+ break;
	5595	+
	5596	+ case 'authentication_error':
	5597	+ return [
	5598	+ 'error' => esc_html__('Authentication failed with OpenAI. Please check your API key.', 'mxchat'),
	5599	+ 'error_code' => 'openai_auth_error',
	5600	+ 'provider' => 'openai'
	5601	+ ];
	5602	+
	5603	+ case 'rate_limit_exceeded':
	5604	+ return [
	5605	+ 'error' => esc_html__('OpenAI rate limit exceeded. Please try again later.', 'mxchat'),
	5606	+ 'error_code' => 'openai_rate_limit',
	5607	+ 'provider' => 'openai'
	5608	+ ];
	5609	+
	5610	+ case 'quota_exceeded':
	5611	+ return [
	5612	+ 'error' => esc_html__('OpenAI API quota exceeded. Please check your billing details.', 'mxchat'),
	5613	+ 'error_code' => 'openai_quota_exceeded',
	5614	+ 'provider' => 'openai'
	5615	+ ];
	5616	+ }
	5617	+
	5618	+ // Generic error fallback
	5619	+ return [
	5620	+ 'error' => esc_html__('OpenAI API error: ', 'mxchat') . esc_html($error_message),
	5621	+ 'error_code' => 'openai_api_error',
	5622	+ 'provider' => 'openai',
	5623	+ 'status_code' => $status_code
	5624	+ ];
	5625	+ }
	5626	+
	5627	+ $response_body = wp_remote_retrieve_body($response);
	5628	+ $decoded_response = json_decode($response_body, true);
	5629	+
	5630	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5631	+ return trim($decoded_response['choices'][0]['message']['content']);
	5632	+ } else {
	5633	+ //error_log('OpenAI API Response Format Error: ' . print_r($decoded_response, true));
	5634	+ return [
	5635	+ 'error' => esc_html__('Unexpected response format from OpenAI.', 'mxchat'),
	5636	+ 'error_code' => 'openai_response_format_error',
	5637	+ 'provider' => 'openai'
	5638	+ ];
	5639	+ }
	5640	+ } catch (Exception $e) {
	5641	+ //error_log('OpenAI Exception: ' . $e->getMessage());
	5642	+ return [
	5643	+ 'error' => esc_html__('System error when processing OpenAI request: ', 'mxchat') . esc_html($e->getMessage()),
	5644	+ 'error_code' => 'openai_exception',
	5645	+ 'provider' => 'openai'
	5646	+ ];
	5647	+ }
	5648	+}
	5649	+private function mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content) {
	5650	+ try {
	5651	+ // Get bot ID from session or request
	5652	+ $bot_id = $this->get_current_bot_id($session_id);
	5653	+
	5654	+ // Get system prompt instructions using centralized function
	5655	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	5656	+
	5657	+ // Add system prompt to relevant content
	5658	+ $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	5659	+
	5660	+ // Prepend system instructions to the conversation history
	5661	+ array_unshift($conversation_history, [
	5662	+ 'role' => 'system',
	5663	+ 'content' => "Here are your instructions: " . $content_with_instructions
	5664	+ ]);
	5665	+
	5666	+ // Ensure consistency: Replace 'bot' and 'agent' roles with supported values
	5667	+ foreach ($conversation_history as &$message) {
	5668	+ if ($message['role'] === 'bot') {
	5669	+ $message['role'] = 'assistant';
	5670	+ } elseif ($message['role'] === 'agent') {
	5671	+ // Tag the message as coming from a live agent
	5672	+ $message['role'] = 'assistant';
	5673	+ if (!isset($message['metadata'])) {
	5674	+ $message['metadata'] = ['source' => 'live_agent'];
	5675	+ }
	5676	+ }
	5677	+
	5678	+ // Ensure all roles are valid
	5679	+ if (!in_array($message['role'], ['system', 'assistant', 'user', 'function', 'tool'])) {
	5680	+ $message['role'] = 'user'; // Default to 'user'
	5681	+ }
	5682	+ }
	5683	+
	5684	+ // Build the request body
	5685	+ $body = json_encode([
	5686	+ 'model' => $selected_model,
	5687	+ 'messages' => $conversation_history,
	5688	+ 'temperature' => 0.8,
	5689	+ 'stream' => false
	5690	+ ]);
	5691	+
	5692	+ // Set up the API request
	5693	+ $args = [
	5694	+ 'body' => $body,
	5695	+ 'headers' => [
	5696	+ 'Content-Type' => 'application/json',
	5697	+ 'Authorization' => 'Bearer ' . $xai_api_key,
	5698	+ ],
	5699	+ 'timeout' => 60,
	5700	+ 'redirection' => 5,
	5701	+ 'blocking' => true,
	5702	+ 'httpversion' => '1.0',
	5703	+ 'sslverify' => true,
	5704	+ ];
	5705	+
	5706	+ // Make the API request
	5707	+ $response = wp_remote_post('https://api.x.ai/v1/chat/completions', $args);
	5708	+
	5709	+ // Process the response
	5710	+ if (is_wp_error($response)) {
	5711	+ $error_message = $response->get_error_message();
	5712	+ //error_log('X.AI API Error: ' . $error_message);
	5713	+ return [
	5714	+ 'error' => esc_html__('Connection error when contacting X.AI: ', 'mxchat') . esc_html($error_message),
	5715	+ 'error_code' => 'xai_connection_error',
	5716	+ 'provider' => 'xai'
	5717	+ ];
	5718	+ }
	5719	+
	5720	+ $status_code = wp_remote_retrieve_response_code($response);
	5721	+ if ($status_code !== 200) {
	5722	+ $response_body = wp_remote_retrieve_body($response);
	5723	+ $decoded_response = json_decode($response_body, true);
	5724	+
	5725	+ // Log the full response for debugging
	5726	+ //error_log('X.AI Error Response: ' . print_r($decoded_response, true));
	5727	+
	5728	+ // Extract error message from X.AI's specific format
	5729	+ $error_message = '';
	5730	+
	5731	+ // Check for direct error string (as seen in your logs)
	5732	+ if (isset($decoded_response['error']) && is_string($decoded_response['error'])) {
	5733	+ $error_message = $decoded_response['error'];
	5734	+ }
	5735	+ // Check for nested error object (OpenAI style)
	5736	+ elseif (isset($decoded_response['error']['message'])) {
	5737	+ $error_message = $decoded_response['error']['message'];
	5738	+ }
	5739	+ // Check for top-level message
	5740	+ elseif (isset($decoded_response['message'])) {
	5741	+ $error_message = $decoded_response['message'];
	5742	+ }
	5743	+ // Fallback
	5744	+ else {
	5745	+ $error_message = 'HTTP Error ' . $status_code;
	5746	+ }
	5747	+
	5748	+ //error_log('X.AI API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5749	+
	5750	+ // Check for API key errors using string matching
	5751	+ if (stripos($error_message, 'api key') !== false ||
	5752	+ stripos($error_message, 'incorrect api key') !== false ||
	5753	+ stripos($error_message, 'invalid api key') !== false) {
	5754	+ return [
	5755	+ 'error' => esc_html__('Invalid X.AI API key. Please check your API key configuration.', 'mxchat'),
	5756	+ 'error_code' => 'xai_invalid_api_key',
	5757	+ 'provider' => 'xai'
	5758	+ ];
	5759	+ }
	5760	+
	5761	+ // Authentication errors
	5762	+ if ($status_code === 401 || $status_code === 403 ||
	5763	+ stripos($error_message, 'auth') !== false) {
	5764	+ return [
	5765	+ 'error' => esc_html__('Authentication failed with X.AI. Please check your API key.', 'mxchat'),
	5766	+ 'error_code' => 'xai_auth_error',
	5767	+ 'provider' => 'xai'
	5768	+ ];
	5769	+ }
	5770	+
	5771	+ // Model errors
	5772	+ if (stripos($error_message, 'model') !== false) {
	5773	+ return [
	5774	+ 'error' => esc_html__('Invalid model specified for X.AI. Please check your model configuration.', 'mxchat'),
	5775	+ 'error_code' => 'xai_invalid_model',
	5776	+ 'provider' => 'xai'
	5777	+ ];
	5778	+ }
	5779	+
	5780	+ // Rate limit errors
	5781	+ if ($status_code === 429 ||
	5782	+ stripos($error_message, 'rate') !== false ||
	5783	+ stripos($error_message, 'limit') !== false) {
	5784	+ return [
	5785	+ 'error' => esc_html__('X.AI rate limit exceeded. Please try again later.', 'mxchat'),
	5786	+ 'error_code' => 'xai_rate_limit',
	5787	+ 'provider' => 'xai'
	5788	+ ];
	5789	+ }
	5790	+
	5791	+ // Quota errors
	5792	+ if (stripos($error_message, 'quota') !== false ||
	5793	+ stripos($error_message, 'billing') !== false) {
	5794	+ return [
	5795	+ 'error' => esc_html__('X.AI API quota exceeded. Please check your billing details.', 'mxchat'),
	5796	+ 'error_code' => 'xai_quota_exceeded',
	5797	+ 'provider' => 'xai'
	5798	+ ];
	5799	+ }
	5800	+
	5801	+ // Server errors
	5802	+ if ($status_code >= 500) {
	5803	+ return [
	5804	+ 'error' => esc_html__('X.AI service is currently unavailable. Please try again later.', 'mxchat'),
	5805	+ 'error_code' => 'xai_service_unavailable',
	5806	+ 'provider' => 'xai'
	5807	+ ];
	5808	+ }
	5809	+
	5810	+ // Generic error fallback with the actual error message
	5811	+ return [
	5812	+ 'error' => esc_html__('X.AI API error: ', 'mxchat') . esc_html($error_message),
	5813	+ 'error_code' => 'xai_api_error',
	5814	+ 'provider' => 'xai',
	5815	+ 'status_code' => $status_code
	5816	+ ];
	5817	+ }
	5818	+
	5819	+ $response_body = wp_remote_retrieve_body($response);
	5820	+ $decoded_response = json_decode($response_body, true);
	5821	+
	5822	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5823	+ return trim($decoded_response['choices'][0]['message']['content']);
	5824	+ } else {
	5825	+ //error_log('X.AI API Response Format Error: ' . print_r($decoded_response, true));
	5826	+ return [
	5827	+ 'error' => esc_html__('Unexpected response format from X.AI.', 'mxchat'),
	5828	+ 'error_code' => 'xai_response_format_error',
	5829	+ 'provider' => 'xai'
	5830	+ ];
	5831	+ }
	5832	+} catch (Exception $e) {
	5833	+ //error_log('X.AI Exception: ' . $e->getMessage());
	5834	+ return [
	5835	+ 'error' => esc_html__('System error when processing X.AI request: ', 'mxchat') . esc_html($e->getMessage()),
	5836	+ 'error_code' => 'xai_exception',
	5837	+ 'provider' => 'xai'
	5838	+ ];
	5839	+}
	5840	+
	5841	+
	5842	+}
	5843	+private function mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content) {
	5844	+ try {
	5845	+ // Ensure conversation_history is an array
	5846	+ if (!is_array($conversation_history)) {
	5847	+ $conversation_history = array();
	5848	+ }
	5849	+
	5850	+ // Get bot ID from session or request
	5851	+ $bot_id = $this->get_current_bot_id($session_id);
	5852	+
	5853	+ // Get system prompt instructions using centralized function
	5854	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	5855	+
	5856	+ // Create a new array for the formatted conversation
	5857	+ $formatted_conversation = array();
	5858	+
	5859	+ // Add system message first
	5860	+ $formatted_conversation[] = array(
	5861	+ 'role' => 'system',
	5862	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	5863	+ );
	5864	+
	5865	+ // Add the rest of the conversation history
	5866	+ foreach ($conversation_history as $message) {
	5867	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	5868	+ $role = $message['role'];
	5869	+
	5870	+ // Convert roles to supported format
	5871	+ if ($role === 'bot' || $role === 'agent') {
	5872	+ $role = 'assistant';
	5873	+ }
	5874	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	5875	+ $role = 'user';
	5876	+ }
	5877	+
	5878	+ $formatted_conversation[] = array(
	5879	+ 'role' => $role,
	5880	+ 'content' => $message['content']
	5881	+ );
	5882	+ }
	5883	+ }
	5884	+
	5885	+ $body = json_encode([
	5886	+ 'model' => $selected_model,
	5887	+ 'messages' => $formatted_conversation,
	5888	+ 'temperature' => 0.8,
	5889	+ 'stream' => false
	5890	+ ]);
	5891	+
	5892	+ $args = [
	5893	+ 'body' => $body,
	5894	+ 'headers' => [
	5895	+ 'Content-Type' => 'application/json',
	5896	+ 'Authorization' => 'Bearer ' . $deepseek_api_key,
	5897	+ ],
	5898	+ 'timeout' => 60,
	5899	+ 'redirection' => 5,
	5900	+ 'blocking' => true,
	5901	+ 'httpversion' => '1.0',
	5902	+ 'sslverify' => true,
	5903	+ ];
	5904	+
	5905	+ $response = wp_remote_post('https://api.deepseek.com/v1/chat/completions', $args);
	5906	+
	5907	+ if (is_wp_error($response)) {
	5908	+ $error_message = $response->get_error_message();
	5909	+ //error_log('DeepSeek API Error: ' . $error_message);
	5910	+ return [
	5911	+ 'error' => esc_html__('Connection error when contacting DeepSeek: ', 'mxchat') . esc_html($error_message),
	5912	+ 'error_code' => 'deepseek_connection_error',
	5913	+ 'provider' => 'deepseek'
	5914	+ ];
	5915	+ }
	5916	+
	5917	+ $status_code = wp_remote_retrieve_response_code($response);
	5918	+ if ($status_code !== 200) {
	5919	+ $response_body = wp_remote_retrieve_body($response);
	5920	+ $decoded_response = json_decode($response_body, true);
	5921	+
	5922	+ $error_message = isset($decoded_response['error']['message'])
	5923	+ ? $decoded_response['error']['message']
	5924	+ : 'HTTP Error ' . $status_code;
	5925	+
	5926	+ $error_type = isset($decoded_response['error']['type'])
	5927	+ ? $decoded_response['error']['type']
	5928	+ : 'unknown';
	5929	+
	5930	+ //error_log('DeepSeek API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5931	+
	5932	+ // Handle specific error types
	5933	+ switch ($status_code) {
	5934	+ case 401:
	5935	+ return [
	5936	+ 'error' => esc_html__('Authentication failed with DeepSeek. Please check your API key.', 'mxchat'),
	5937	+ 'error_code' => 'deepseek_auth_error',
	5938	+ 'provider' => 'deepseek'
	5939	+ ];
	5940	+
	5941	+ case 400:
	5942	+ if (strpos($error_message, 'API key') !== false) {
	5943	+ return [
	5944	+ 'error' => esc_html__('Invalid DeepSeek API key. Please check your API key configuration.', 'mxchat'),
	5945	+ 'error_code' => 'deepseek_invalid_api_key',
	5946	+ 'provider' => 'deepseek'
	5947	+ ];
	5948	+ }
	5949	+ break;
	5950	+
	5951	+ case 429:
	5952	+ if (strpos($error_message, 'quota') !== false) {
	5953	+ return [
	5954	+ 'error' => esc_html__('DeepSeek API quota exceeded. Please check your billing details.', 'mxchat'),
	5955	+ 'error_code' => 'deepseek_quota_exceeded',
	5956	+ 'provider' => 'deepseek'
	5957	+ ];
	5958	+ } else {
	5959	+ return [
	5960	+ 'error' => esc_html__('DeepSeek rate limit exceeded. Please try again later.', 'mxchat'),
	5961	+ 'error_code' => 'deepseek_rate_limit',
	5962	+ 'provider' => 'deepseek'
	5963	+ ];
	5964	+ }
	5965	+
	5966	+ case 500:
	5967	+ case 502:
	5968	+ case 503:
	5969	+ case 504:
	5970	+ return [
	5971	+ 'error' => esc_html__('DeepSeek service is currently unavailable. Please try again later.', 'mxchat'),
	5972	+ 'error_code' => 'deepseek_service_unavailable',
	5973	+ 'provider' => 'deepseek'
	5974	+ ];
	5975	+ }
	5976	+
	5977	+ // Generic error fallback
	5978	+ return [
	5979	+ 'error' => esc_html__('DeepSeek API error: ', 'mxchat') . esc_html($error_message),
	5980	+ 'error_code' => 'deepseek_api_error',
	5981	+ 'provider' => 'deepseek',
	5982	+ 'status_code' => $status_code
	5983	+ ];
	5984	+ }
	5985	+
	5986	+ $response_body = wp_remote_retrieve_body($response);
	5987	+ $decoded_response = json_decode($response_body, true);
	5988	+
	5989	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5990	+ return trim($decoded_response['choices'][0]['message']['content']);
	5991	+ } else {
	5992	+ //error_log('DeepSeek API Response Format Error: ' . print_r($decoded_response, true));
	5993	+ return [
	5994	+ 'error' => esc_html__('Unexpected response format from DeepSeek.', 'mxchat'),
	5995	+ 'error_code' => 'deepseek_response_format_error',
	5996	+ 'provider' => 'deepseek'
	5997	+ ];
	5998	+ }
	5999	+ } catch (Exception $e) {
	6000	+ //error_log('DeepSeek Exception: ' . $e->getMessage());
	6001	+ return [
	6002	+ 'error' => esc_html__('System error when processing DeepSeek request: ', 'mxchat') . esc_html($e->getMessage()),
	6003	+ 'error_code' => 'deepseek_exception',
	6004	+ 'provider' => 'deepseek'
	6005	+ ];
	6006	+ }
	6007	+}
	6008	+private function mxchat_generate_response_gemini($selected_model, $gemini_api_key, $conversation_history, $relevant_content) {
	6009	+ // Get bot ID from session or request
	6010	+ $bot_id = $this->get_current_bot_id($session_id);
	6011	+
	6012	+ // Get system prompt instructions using centralized function
	6013	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	6014	+
	6015	+ // Add system prompt to relevant content
	6016	+ $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	6017	+
	6018	+ // Format messages for Gemini API
	6019	+ $formatted_messages = [];
	6020	+
	6021	+ // Add system message as the first user message with role prefix
	6022	+ // Note: Gemini doesn't have a dedicated system role, so we use a prefixed user message
	6023	+ $formatted_messages[] = [
	6024	+ 'role' => 'user',
	6025	+ 'parts' => [
	6026	+ ['text' => "[System Instructions] " . $content_with_instructions]
	6027	+ ]
	6028	+ ];
	6029	+
	6030	+ // Add model response to acknowledge system instructions
	6031	+ $formatted_messages[] = [
	6032	+ 'role' => 'model',
	6033	+ 'parts' => [
	6034	+ ['text' => "I understand and will follow these instructions."]
	6035	+ ]
	6036	+ ];
	6037	+
	6038	+ // Process the rest of the conversation history
	6039	+ $current_role = null;
	6040	+ $current_parts = [];
	6041	+
	6042	+ foreach ($conversation_history as $message) {
	6043	+ // Skip the first system message as we already handled it
	6044	+ if ($message['role'] === 'system') {
	6045	+ continue;
	6046	+ }
	6047	+
	6048	+ // Map roles to Gemini format
	6049	+ $gemini_role = '';
	6050	+ if ($message['role'] === 'user') {
	6051	+ $gemini_role = 'user';
	6052	+ } else if (in_array($message['role'], ['assistant', 'bot', 'agent'])) {
	6053	+ $gemini_role = 'model';
	6054	+ } else {
	6055	+ // Skip unsupported roles
	6056	+ continue;
	6057	+ }
	6058	+
	6059	+ // If we have a new role, add the previous message
	6060	+ if ($current_role !== null && $current_role !== $gemini_role && !empty($current_parts)) {
	6061	+ $formatted_messages[] = [
	6062	+ 'role' => $current_role,
	6063	+ 'parts' => $current_parts
	6064	+ ];
	6065	+ $current_parts = [];
	6066	+ }
	6067	+
	6068	+ // Set current role and add text to parts
	6069	+ $current_role = $gemini_role;
	6070	+ $current_parts[] = ['text' => $message['content']];
	6071	+ }
	6072	+
	6073	+ // Add the last message if there's content
	6074	+ if ($current_role !== null && !empty($current_parts)) {
	6075	+ $formatted_messages[] = [
	6076	+ 'role' => $current_role,
	6077	+ 'parts' => $current_parts
	6078	+ ];
	6079	+ }
	6080	+
	6081	+ // Build the request body
	6082	+ $body = json_encode([
	6083	+ 'contents' => $formatted_messages,
	6084	+ 'generationConfig' => [
	6085	+ 'temperature' => 0.7,
	6086	+ 'topP' => 0.95,
	6087	+ 'topK' => 40,
	6088	+ 'maxOutputTokens' => 8192,
	6089	+ ],
	6090	+ 'safetySettings' => [
	6091	+ [
	6092	+ 'category' => 'HARM_CATEGORY_HARASSMENT',
	6093	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	6094	+ ],
	6095	+ [
	6096	+ 'category' => 'HARM_CATEGORY_HATE_SPEECH',
	6097	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	6098	+ ],
	6099	+ [
	6100	+ 'category' => 'HARM_CATEGORY_SEXUALLY_EXPLICIT',
	6101	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	6102	+ ],
	6103	+ [
	6104	+ 'category' => 'HARM_CATEGORY_DANGEROUS_CONTENT',
	6105	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	6106	+ ]
	6107	+ ]
	6108	+ ]);
	6109	+
	6110	+ // Prepare the API endpoint
	6111	+ $api_endpoint = 'https://generativelanguage.googleapis.com/v1/models/' . $selected_model . ':generateContent?key=' . $gemini_api_key;
	6112	+
	6113	+ // Set up the API request
	6114	+ $args = [
	6115	+ 'body' => $body,
	6116	+ 'headers' => [
	6117	+ 'Content-Type' => 'application/json',
	6118	+ ],
	6119	+ 'timeout' => 60,
	6120	+ 'redirection' => 5,
	6121	+ 'blocking' => true,
	6122	+ 'httpversion' => '1.0',
	6123	+ 'sslverify' => true,
	6124	+ ];
	6125	+
	6126	+ // Make the API request
	6127	+ $response = wp_remote_post($api_endpoint, $args);
	6128	+
	6129	+ // Process the response
	6130	+ if (is_wp_error($response)) {
	6131	+ return "Sorry, there was an error processing your request: " . $response->get_error_message();
	6132	+ }
	6133	+
	6134	+ $response_body = json_decode(wp_remote_retrieve_body($response), true);
	6135	+
	6136	+ // Handle potential errors in the response
	6137	+ if (isset($response_body['error'])) {
	6138	+ //error_log('Gemini API Error: ' . json_encode($response_body['error']));
	6139	+ return "Sorry, there was an error with the Gemini API: " .
	6140	+ (isset($response_body['error']['message']) ? $response_body['error']['message'] : 'Unknown error');
	6141	+ }
	6142	+
	6143	+ // Extract the response text
	6144	+ if (isset($response_body['candidates'][0]['content']['parts'][0]['text'])) {
	6145	+ return trim($response_body['candidates'][0]['content']['parts'][0]['text']);
	6146	+ } else {
	6147	+ //error_log('Unexpected Gemini API response format: ' . json_encode($response_body));
	6148	+ return "Sorry, I couldn't process that request. The response format was unexpected.";
	6149	+ }
	6150	+}
	6151	+
	6152	+
	6153	+public function test_streaming_request() {
	6154	+ $options = get_option('mxchat_options', []);
	6155	+ $model = $options['model'] ?? 'gpt-4o';
	6156	+
	6157	+ // Detect provider from model prefix
	6158	+ $provider = strtolower(explode('-', $model)[0]);
	6159	+
	6160	+ $sample_prompt = 'Hello! Can you stream this response back to me?';
	6161	+ $messages = [['role' => 'user', 'content' => $sample_prompt]];
	6162	+ $headers = [];
	6163	+ $body = [];
	6164	+ $url = '';
	6165	+ $api_key = '';
	6166	+
	6167	+ switch ($provider) {
	6168	+ case 'gpt':
	6169	+ case 'o1':
	6170	+ $api_key = $options['api_key'] ?? '';
	6171	+ if (empty($api_key)) return '❌ Missing API key for OpenAI';
	6172	+ $url = 'https://api.openai.com/v1/chat/completions';
	6173	+ $headers = [
	6174	+ 'Content-Type: application/json',
	6175	+ 'Authorization: Bearer ' . $api_key
	6176	+ ];
	6177	+ $body = [
	6178	+ 'model' => $model,
	6179	+ 'messages' => $messages,
	6180	+ 'stream' => true
	6181	+ ];
	6182	+ break;
	6183	+
	6184	+ case 'claude':
	6185	+ $api_key = $options['claude_api_key'] ?? '';
	6186	+ if (empty($api_key)) return '❌ Missing API key for Claude';
	6187	+ $url = 'https://api.anthropic.com/v1/messages';
	6188	+ $headers = [
	6189	+ 'Content-Type: application/json',
	6190	+ 'x-api-key: ' . $api_key,
	6191	+ 'anthropic-version: 2023-06-01'
	6192	+ ];
	6193	+ $body = [
	6194	+ 'model' => $model,
	6195	+ 'messages' => $messages,
	6196	+ 'max_tokens' => 100,
	6197	+ 'stream' => true
	6198	+ ];
	6199	+ break;
	6200	+
	6201	+ case 'grok':
	6202	+ $api_key = $options['xai_api_key'] ?? '';
	6203	+ if (empty($api_key)) return '❌ Missing API key for X.AI';
	6204	+ $url = 'https://api.x.ai/v1/chat/completions';
	6205	+ $headers = [
	6206	+ 'Content-Type: application/json',
	6207	+ 'Authorization: Bearer ' . $api_key
	6208	+ ];
	6209	+ $body = [
	6210	+ 'model' => $model,
	6211	+ 'messages' => $messages,
	6212	+ 'stream' => true
	6213	+ ];
	6214	+ break;
	6215	+
	6216	+ case 'deepseek':
	6217	+ if (empty($deepseek_api_key)) {
	6218	+ $error_response = [
	6219	+ 'error' => esc_html__('DeepSeek API key is not configured', 'mxchat'),
	6220	+ 'error_code' => 'missing_deepseek_api_key'
	6221	+ ];
	6222	+ if ($testing_data !== null) {
	6223	+ $error_response['testing_data'] = $testing_data;
	6224	+ }
	6225	+ return $error_response;
	6226	+ }
	6227	+ if ($streaming) {
	6228	+ return $this->mxchat_generate_response_deepseek_stream(
	6229	+ $selected_model,
	6230	+ $deepseek_api_key,
	6231	+ $conversation_history,
	6232	+ $relevant_content,
	6233	+ $session_id,
	6234	+ $testing_data // Pass testing data
	6235	+ );
	6236	+ } else {
	6237	+ $response = $this->mxchat_generate_response_deepseek(
	6238	+ $selected_model,
	6239	+ $deepseek_api_key,
	6240	+ $conversation_history,
	6241	+ $relevant_content
	6242	+ );
	6243	+ }
	6244	+ break;
	6245	+
	6246	+ case 'gemini':
	6247	+ $api_key = $options['gemini_api_key'] ?? '';
	6248	+ if (empty($api_key)) return '❌ Missing API key for Gemini';
	6249	+ $url = 'https://generativelanguage.googleapis.com/v1beta/models/' . $model . ':streamGenerateContent?key=' . $api_key;
	6250	+ $headers = ['Content-Type: application/json'];
	6251	+ $body = [
	6252	+ 'contents' => [['role' => 'user', 'parts' => [['text' => $sample_prompt]]]],
	6253	+ 'generationConfig' => ['temperature' => 0.7]
	6254	+ ];
	6255	+ break;
	6256	+
	6257	+ default:
	6258	+ return '❌ Unsupported provider: ' . $provider;
	6259	+ }
	6260	+
	6261	+ // Do the actual streaming test
	6262	+ $ch = curl_init($url);
	6263	+ curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($body));
	6264	+ curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
	6265	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	6266	+ curl_setopt($ch, CURLOPT_TIMEOUT, 15);
	6267	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	6268	+
	6269	+ $response = curl_exec($ch);
	6270	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	6271	+ $error = curl_error($ch);
	6272	+ curl_close($ch);
	6273	+
	6274	+ if ($error) return "❌ cURL error: $error";
	6275	+ if ($http_code !== 200) {
	6276	+ $error_message = json_decode($response, true)['error']['message'] ?? 'Unknown';
	6277	+ return "❌ HTTP $http_code: $error_message";
	6278	+ }
	6279	+
	6280	+ return true;
	6281	+}
	6282	+
3922	6283	public function mxchat_dismiss_pre_chat_message() {
3923	6284	// Get and sanitize the user identifier
3924	6285	$user_id = $this->mxchat_get_user_identifier();
3925	6286	$user_id = sanitize_key($user_id);
		@@ -3973,13 +6334,13 @@
3973	6334
3974	6335	return $dotProduct / ($normA * $normB);
3975	6336	}
3976	6337
	6338	+
3977	6339	public function mxchat_enqueue_scripts_styles() {
3978	6340	// Define version numbers for the styles and scripts
3979		- $chat_style_version = '2.0.3'; // Replace with your actual version
3980		- $chat_script_version = '2.0.3'; // Replace with your actual version
3981		-
	6341	+ $chat_style_version = '2.4.6';
	6342	+ $chat_script_version = '2.4.6';
3982	6343	// Enqueue the script
3983	6344	wp_enqueue_script(
3984	6345	'mxchat-chat-js',
3985	6346	plugin_dir_url(__FILE__) . '../js/chat-script.js',
		@@ -3986,9 +6347,8 @@
3986	6347	array('jquery'),
3987	6348	$chat_script_version,
3988	6349	true
3989	6350	);
3990		-
3991	6351	// Enqueue the CSS
3992	6352	wp_enqueue_style(
3993	6353	'mxchat-chat-css',
3994	6354	plugin_dir_url(__FILE__) . '../css/chat-style.css',
		@@ -3994,17 +6354,19 @@
3994	6354	plugin_dir_url(__FILE__) . '../css/chat-style.css',
3995	6355	array(),
3996	6356	$chat_style_version
3997	6357	);
3998		-
3999	6358	// Fetch options from the database
4000	6359	$this->options = get_option('mxchat_options');
4001	6360	$prompts_options = get_option('mxchat_prompts_options', array());
4002		-
	6361	+
4003	6362	// Prepare settings for JavaScript
4004	6363	$style_settings = array(
4005	6364	'ajax_url' => admin_url('admin-ajax.php'),
4006	6365	'nonce' => wp_create_nonce('mxchat_chat_nonce'),
	6366	+ 'model' => isset($this->options['model']) ? $this->options['model'] : 'gpt-4o',
	6367	+ 'enable_streaming_toggle' => isset($this->options['enable_streaming_toggle']) ? $this->options['enable_streaming_toggle'] : 'on',
	6368	+ 'contextual_awareness_toggle' => isset($this->options['contextual_awareness_toggle']) ? $this->options['contextual_awareness_toggle'] : 'off',
4007	6369	'link_target_toggle' => $this->options['link_target_toggle'] ?? 'off',
4008	6370	'rate_limit_message' => $this->options['rate_limit_message'] ?? 'Rate limit exceeded. Please try again later.',
4009	6371	'complianz_toggle' => isset($this->options['complianz_toggle']) && $this->options['complianz_toggle'] === 'on',
4010	6372	'user_message_bg_color' => $this->options['user_message_bg_color'] ?? '#fff',
		@@ -4018,10 +6380,9 @@
4018	6380	'chatbot_bg_color' => $this->options['chatbot_bg_color'] ?? '#fff',
4019	6381	'icon_color' => $this->options['icon_color'] ?? '#fff',
4020	6382	'chat_input_font_color' => $this->options['chat_input_font_color'] ?? '#212121',
4021	6383	'chat_persistence_toggle' => $this->options['chat_persistence_toggle'] ?? 'off',
4022		- 'appendWidgetToBody' => $this->options['append_to_body'] ?? 'off', // Example for consistency
4023		-
	6384	+ 'appendWidgetToBody' => $this->options['append_to_body'] ?? 'off',
4024	6385	'live_agent_message_bg_color' => $this->options['live_agent_message_bg_color'] ?? '#ffffff',
4025	6386	'live_agent_message_font_color' => $this->options['live_agent_message_font_color'] ?? '#333333',
4026	6387	'chat_toolbar_toggle' => $this->options['chat_toolbar_toggle'] ?? 'off',
4027	6388	'mode_indicator_bg_color' => $this->options['mode_indicator_bg_color'] ?? '#767676',
		@@ -4026,76 +6387,942 @@
4026	6387	'chat_toolbar_toggle' => $this->options['chat_toolbar_toggle'] ?? 'off',
4027	6388	'mode_indicator_bg_color' => $this->options['mode_indicator_bg_color'] ?? '#767676',
4028	6389	'mode_indicator_font_color' => $this->options['mode_indicator_font_color'] ?? '#ffffff',
4029	6390	'toolbar_icon_color' => $this->options['toolbar_icon_color'] ?? '#212121',
4030		-
4031	6391	'use_pinecone' => $prompts_options['mxchat_use_pinecone'] ?? '0',
	6392	+ 'email_collection_enabled' => $this->options['enable_email_block'] ?? 'off', // FIXED
	6393	+ 'initial_email_state' => null, // Also fixed this undefined variable
	6394	+ 'skip_email_check' => true,
4032	6395	'pinecone_enabled' => isset($prompts_options['mxchat_use_pinecone']) && $prompts_options['mxchat_use_pinecone'] === '1'
4033	6396	);
4034		-
4035	6397	// Pass the settings to the script
4036	6398	wp_localize_script('mxchat-chat-js', 'mxchatChat', $style_settings);
4037	6399	}
4038	6400
4039	6401
	6402	+/**
	6403	+ * Setup the cron jobs for rate limits with guard against multiple calls
	6404	+ */
	6405	+public function setup_rate_limit_cron_jobs() {
	6406	+ // Add a guard to prevent multiple rapid calls
	6407	+ $last_setup = get_transient('mxchat_cron_setup_guard');
	6408	+ if ($last_setup && (time() - $last_setup) < 60) {
	6409	+ // Don't run again if we ran less than 60 seconds ago
	6410	+ return;
	6411	+ }
	6412	+
	6413	+ // Set the guard
	6414	+ set_transient('mxchat_cron_setup_guard', time(), 300); // 5 minutes
	6415	+
	6416	+ try {
	6417	+ // First, check if WordPress cron is disabled
	6418	+ if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
	6419	+ //error_log('MxChat: WordPress cron is disabled (DISABLE_WP_CRON = true), using fallback system');
	6420	+ $this->setup_fallback_rate_limit_system();
	6421	+ return;
	6422	+ }
	6423	+
	6424	+ // Check if cron is already scheduled - if so, don't mess with it
	6425	+ if (wp_next_scheduled('mxchat_reset_rate_limits')) {
	6426	+ //error_log('MxChat: Rate limit cron already scheduled, skipping setup');
	6427	+ return;
	6428	+ }
	6429	+
	6430	+ // Clear any orphaned hooks (but don't loop indefinitely)
	6431	+ $hooks_to_clear = [
	6432	+ 'mxchat_reset_rate_limits',
	6433	+ 'mxchat_reset_hourly_rate_limits',
	6434	+ 'mxchat_reset_daily_rate_limits',
	6435	+ 'mxchat_reset_weekly_rate_limits',
	6436	+ 'mxchat_reset_monthly_rate_limits'
	6437	+ ];
	6438	+
	6439	+ foreach ($hooks_to_clear as $hook) {
	6440	+ // Only clear a maximum of 3 instances to prevent infinite loops
	6441	+ $cleared = 0;
	6442	+ while (wp_next_scheduled($hook) && $cleared < 3) {
	6443	+ wp_clear_scheduled_hook($hook);
	6444	+ $cleared++;
	6445	+ }
	6446	+ }
	6447	+
	6448	+ // Small delay after clearing
	6449	+ usleep(100000); // 0.1 seconds
	6450	+
	6451	+ // Try to schedule the event
	6452	+ $initial_time = time() + 300; // Start in 5 minutes
	6453	+ $result = wp_schedule_event($initial_time, 'hourly', 'mxchat_reset_rate_limits');
	6454	+
	6455	+ if ($result === false) {
	6456	+ //error_log('MxChat: Failed to schedule cron, using fallback system');
	6457	+ $this->setup_fallback_rate_limit_system();
	6458	+ } else {
	6459	+ //error_log('MxChat: Successfully scheduled rate limit reset cron');
	6460	+ }
	6461	+
	6462	+ } catch (Exception $e) {
	6463	+ //error_log('MxChat: Cron setup exception: ' . $e->getMessage());
	6464	+ $this->setup_fallback_rate_limit_system();
	6465	+ }
	6466	+}
	6467	+
	6468	+/**
	6469	+ * Try alternative cron scheduling methods
	6470	+ */
	6471	+private function try_alternative_cron_scheduling($initial_time) {
	6472	+ try {
	6473	+ // Method 1: Try with current time instead of future time
	6474	+ $result1 = wp_schedule_event(time(), 'hourly', 'mxchat_reset_rate_limits');
	6475	+ if ($result1 !== false) {
	6476	+ //error_log('MxChat: Alternative method 1 (current time) succeeded');
	6477	+ return true;
	6478	+ }
	6479	+
	6480	+ // Method 2: Try with a different interval
	6481	+ $result2 = wp_schedule_event($initial_time, 'daily', 'mxchat_reset_rate_limits');
	6482	+ if ($result2 !== false) {
	6483	+ //error_log('MxChat: Alternative method 2 (daily interval) succeeded');
	6484	+ return true;
	6485	+ }
	6486	+
	6487	+ // Method 3: Try wp_schedule_single_event first, then recurring
	6488	+ $result3 = wp_schedule_single_event($initial_time, 'mxchat_reset_rate_limits');
	6489	+ if ($result3 !== false) {
	6490	+ //error_log('MxChat: Alternative method 3 (single event) succeeded');
	6491	+ // Schedule the next one manually in the handler
	6492	+ return true;
	6493	+ }
	6494	+
	6495	+ return false;
	6496	+
	6497	+ } catch (Exception $e) {
	6498	+ //error_log('MxChat: Alternative cron scheduling exception: ' . $e->getMessage());
	6499	+ return false;
	6500	+ }
	6501	+}
	6502	+
	6503	+/**
	6504	+ * Enhanced fallback rate limit system
	6505	+ */
	6506	+private function setup_fallback_rate_limit_system() {
	6507	+ // Set a flag to use database-based rate limit cleanup
	6508	+ update_option('mxchat_use_fallback_rate_limits', true);
	6509	+
	6510	+ // Schedule a one-time check to happen on the next plugin load
	6511	+ update_option('mxchat_next_rate_limit_check', time() + 3600);
	6512	+
	6513	+ // Also set up a more frequent fallback check (every 4 hours)
	6514	+ update_option('mxchat_fallback_check_interval', 4 * 3600);
	6515	+
	6516	+ //error_log('MxChat: Fallback rate limit system activated');
	6517	+}
	6518	+
	6519	+/**
	6520	+ * Enhanced fallback check method
	6521	+ */
	6522	+public function check_fallback_rate_limits() {
	6523	+ $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
	6524	+
	6525	+ if (!$use_fallback) {
	6526	+ return; // Regular cron is working
	6527	+ }
	6528	+
	6529	+ $next_check = get_option('mxchat_next_rate_limit_check', 0);
	6530	+ $check_interval = get_option('mxchat_fallback_check_interval', 3600);
	6531	+
	6532	+ if (time() >= $next_check) {
	6533	+ //error_log('MxChat: Running fallback rate limit cleanup');
	6534	+ $this->mxchat_reset_rate_limits();
	6535	+
	6536	+ // Schedule next check
	6537	+ update_option('mxchat_next_rate_limit_check', time() + $check_interval);
	6538	+ }
	6539	+}
	6540	+/**
	6541	+ * Enhanced rate limit check that includes fallback cleanup and bot-specific rate limits
	6542	+ */
	6543	+public function check_rate_limit() {
	6544	+ // Check if we need to run fallback cleanup
	6545	+ $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
	6546	+ $next_check = get_option('mxchat_next_rate_limit_check', 0);
	6547	+
	6548	+ if ($use_fallback && time() >= $next_check) {
	6549	+ $this->mxchat_reset_rate_limits();
	6550	+ update_option('mxchat_next_rate_limit_check', time() + 3600); // Next hour
	6551	+ }
	6552	+
	6553	+ // Get bot ID from current request context
	6554	+ $bot_id = isset($_POST['bot_id']) ? sanitize_key($_POST['bot_id']) : 'default';
	6555	+
	6556	+ // Get bot-specific options (includes rate limits if overridden)
	6557	+ $bot_options = $this->get_bot_options($bot_id);
	6558	+ $current_options = !empty($bot_options) ? $bot_options : $this->options;
	6559	+
	6560	+ // Use bot-specific rate limits if available, otherwise fall back to default
	6561	+ $rate_limits_source = isset($current_options['rate_limits']) ? $current_options['rate_limits'] : get_option('mxchat_options', [])['rate_limits'] ?? [];
	6562	+
	6563	+ // Determine user role or if logged out
	6564	+ if (is_user_logged_in()) {
	6565	+ $user = wp_get_current_user();
	6566	+ $user_id = $user->ID;
	6567	+
	6568	+ // Get the user's primary role using reset() to safely get the first element
	6569	+ $user_roles = $user->roles;
	6570	+
	6571	+ // Safely get the first role regardless of array key structure
	6572	+ if (!empty($user_roles) && is_array($user_roles)) {
	6573	+ $role = reset($user_roles); // This safely gets the first element regardless of key
	6574	+ } else {
	6575	+ $role = 'subscriber'; // Default to subscriber if no role found
	6576	+ }
	6577	+ } else {
	6578	+ $role = 'logged_out';
	6579	+ // Use IP address for non-logged-in users
	6580	+ $user_id = $this->get_client_ip();
	6581	+ }
	6582	+
	6583	+ // Check if rate limits are configured for this role
	6584	+ if (!isset($rate_limits_source[$role])) {
	6585	+ return true; // No limit set for this role
	6586	+ }
	6587	+
	6588	+ $limit = $rate_limits_source[$role]['limit'];
	6589	+
	6590	+ // If unlimited, return true immediately
	6591	+ if ($limit === 'unlimited') {
	6592	+ return true;
	6593	+ }
	6594	+
	6595	+ // Get the option name for this user/role with safer naming (include bot_id for bot-specific limits)
	6596	+ $safe_role = preg_replace('/[^a-zA-Z0-9_]/', '_', $role);
	6597	+ $safe_user_id = preg_replace('/[^a-zA-Z0-9_]/', '_', $user_id);
	6598	+ $safe_bot_id = preg_replace('/[^a-zA-Z0-9_]/', '_', $bot_id);
	6599	+
	6600	+ // Include bot_id in option name so each bot has separate rate limits
	6601	+ $option_name = 'mxchat_chat_limit_' . $safe_bot_id . '_' . $safe_role . '_' . $safe_user_id;
	6602	+
	6603	+ // Get the counter data
	6604	+ $limit_data = get_option($option_name, ['count' => 0, 'timestamp' => time()]);
	6605	+
	6606	+ // If first request or counter reset needed, set the initial timestamp
	6607	+ if ($limit_data['count'] === 0) {
	6608	+ $limit_data['timestamp'] = time();
	6609	+ update_option($option_name, $limit_data);
	6610	+ }
	6611	+
	6612	+ // Get the timeframe
	6613	+ $timeframe = isset($rate_limits_source[$role]['timeframe']) ?
	6614	+ $rate_limits_source[$role]['timeframe'] : 'daily';
	6615	+
	6616	+ // Check if the counter needs to be reset based on timeframe
	6617	+ $current_time = time();
	6618	+ $timestamp = $limit_data['timestamp'];
	6619	+ $should_reset = false;
	6620	+
	6621	+ switch ($timeframe) {
	6622	+ case 'hourly':
	6623	+ $should_reset = ($current_time - $timestamp) >= 3600; // 1 hour
	6624	+ break;
	6625	+ case 'daily':
	6626	+ $should_reset = ($current_time - $timestamp) >= 86400; // 24 hours
	6627	+ break;
	6628	+ case 'weekly':
	6629	+ $should_reset = ($current_time - $timestamp) >= 604800; // 7 days
	6630	+ break;
	6631	+ case 'monthly':
	6632	+ $should_reset = ($current_time - $timestamp) >= 2592000; // 30 days
	6633	+ break;
	6634	+ }
	6635	+
	6636	+ // Reset the counter if the timeframe has passed
	6637	+ if ($should_reset) {
	6638	+ $limit_data = ['count' => 0, 'timestamp' => $current_time];
	6639	+ update_option($option_name, $limit_data);
	6640	+ }
	6641	+
	6642	+ // Check if user has exceeded their limit
	6643	+ if ($limit_data['count'] >= intval($limit)) {
	6644	+ // Get the custom message for this role
	6645	+ $message = !empty($rate_limits_source[$role]['message'])
	6646	+ ? $rate_limits_source[$role]['message']
	6647	+ : __('Rate limit exceeded. Please try again later.', 'mxchat');
	6648	+
	6649	+ // Add timeframe information to the message if placeholders exist
	6650	+ $timeframe_label = '';
	6651	+ switch ($timeframe) {
	6652	+ case 'hourly':
	6653	+ $timeframe_label = __('hour', 'mxchat');
	6654	+ break;
	6655	+ case 'daily':
	6656	+ $timeframe_label = __('day', 'mxchat');
	6657	+ break;
	6658	+ case 'weekly':
	6659	+ $timeframe_label = __('week', 'mxchat');
	6660	+ break;
	6661	+ case 'monthly':
	6662	+ $timeframe_label = __('month', 'mxchat');
	6663	+ break;
	6664	+ }
	6665	+
	6666	+ // Replace placeholders in the message
	6667	+ $message = str_replace(
	6668	+ ['{limit}', '{count}', '{remaining}', '{timeframe}'],
	6669	+ [intval($limit), $limit_data['count'], max(0, intval($limit) - $limit_data['count']), $timeframe_label],
	6670	+ $message
	6671	+ );
	6672	+
	6673	+ // Process HTML links in the message
	6674	+ $message = $this->process_rate_limit_message_html($message);
	6675	+
	6676	+ // Return error with the processed message
	6677	+ return [
	6678	+ 'error' => true,
	6679	+ 'message' => $message
	6680	+ ];
	6681	+ }
	6682	+
	6683	+ // Increment the counter
	6684	+ $limit_data['count']++;
	6685	+ update_option($option_name, $limit_data);
	6686	+
	6687	+ return true;
	6688	+}
	6689	+
	6690	+/**
	6691	+ * Enhanced rate limit reset with better error handling
	6692	+ */
4040	6693	public function mxchat_reset_rate_limits() {
	6694	+ try {
4041	6695	global $wpdb;
	6696	+ $all_options = get_option('mxchat_options', []);
	6697	+ $current_time = time();
	6698	+
	6699	+ // Get rate limit options with a safer query and limit
	6700	+ $option_names = $wpdb->get_col(
	6701	+ $wpdb->prepare(
	6702	+ "SELECT option_name FROM {$wpdb->options}
	6703	+ WHERE option_name LIKE %s
	6704	+ LIMIT 1000",
	6705	+ 'mxchat_chat_limit_%'
	6706	+ )
	6707	+ );
	6708	+
	6709	+ if (empty($option_names)) {
	6710	+ return;
	6711	+ }
	6712	+
	6713	+ $processed_count = 0;
	6714	+ $max_processing_time = 30; // Maximum 30 seconds
	6715	+ $start_time = time();
	6716	+
	6717	+ foreach ($option_names as $option_name) {
	6718	+ // Check processing time limit
	6719	+ if ((time() - $start_time) > $max_processing_time) {
	6720	+ //error_log('MxChat: Rate limit reset timeout after processing ' . $processed_count . ' entries');
	6721	+ break;
	6722	+ }
	6723	+
	6724	+ // Parse the option name more safely
	6725	+ if (!preg_match('/^mxchat_chat_limit_(.+)_(.+)$/', $option_name, $matches)) {
	6726	+ continue;
	6727	+ }
	6728	+
	6729	+ $role_and_user = $matches[1] . '_' . $matches[2];
	6730	+ $parts = explode('_', $role_and_user);
	6731	+
	6732	+ if (count($parts) < 2) {
	6733	+ continue;
	6734	+ }
	6735	+
	6736	+ // Extract role (everything except the last part which is user ID)
	6737	+ $user_id_part = array_pop($parts);
	6738	+ $role = implode('_', $parts);
	6739	+
	6740	+ // Skip if role doesn't exist in our settings
	6741	+ if (!isset($all_options['rate_limits'][$role])) {
	6742	+ // Clean up orphaned entries
	6743	+ delete_option($option_name);
	6744	+ continue;
	6745	+ }
	6746	+
	6747	+ $timeframe = $all_options['rate_limits'][$role]['timeframe'] ?? 'daily';
	6748	+ $limit_data = get_option($option_name);
	6749	+
	6750	+ if (!$limit_data || !is_array($limit_data) || !isset($limit_data['timestamp'])) {
	6751	+ // Clean up invalid entries
	6752	+ delete_option($option_name);
	6753	+ continue;
	6754	+ }
	6755	+
	6756	+ $timestamp = $limit_data['timestamp'];
	6757	+ $should_reset = false;
	6758	+
	6759	+ // Determine if we should reset based on the timeframe
	6760	+ switch ($timeframe) {
	6761	+ case 'hourly':
	6762	+ $should_reset = ($current_time - $timestamp) >= 3600;
	6763	+ break;
	6764	+ case 'daily':
	6765	+ $should_reset = ($current_time - $timestamp) >= 86400;
	6766	+ break;
	6767	+ case 'weekly':
	6768	+ $should_reset = ($current_time - $timestamp) >= 604800;
	6769	+ break;
	6770	+ case 'monthly':
	6771	+ $should_reset = ($current_time - $timestamp) >= 2592000;
	6772	+ break;
	6773	+ }
	6774	+
	6775	+ // Reset the counter if the timeframe has passed
	6776	+ if ($should_reset) {
	6777	+ delete_option($option_name);
	6778	+ wp_cache_delete($option_name, 'options');
	6779	+ $processed_count++;
	6780	+ }
	6781	+ }
	6782	+
	6783	+ // Clean up any orphaned cache entries
	6784	+ wp_cache_delete('mxchat_all_chat_limits', 'options');
	6785	+
	6786	+ //error_log("MxChat: Rate limit reset completed. Processed {$processed_count} entries.");
	6787	+
	6788	+ } catch (Exception $e) {
	6789	+ //error_log('MxChat: Rate limit reset error: ' . $e->getMessage());
	6790	+ }
	6791	+}
4042	6792
4043		- // Define a cache key pattern for rate limits
4044		- $cache_key_pattern = 'mxchat_chat_limit_%';
4045	6793
4046		- // Retrieve all option names matching the pattern
4047		- // phpcs:ignore WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.DirectQuery
4048		- $option_names = $wpdb->get_col("SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE 'mxchat_chat_limit_%'");
	6794	+/**
	6795	+ * Process HTML links in rate limit messages
	6796	+ *
	6797	+ * @param string $message The rate limit message
	6798	+ * @return string The processed message with safe HTML links
	6799	+ */
	6800	+private function process_rate_limit_message_html($message) {
	6801	+ // Return original message if empty
	6802	+ if (empty($message)) {
	6803	+ return $message;
	6804	+ }
	6805	+
	6806	+ // First, convert markdown links to HTML
	6807	+ $message = $this->convert_markdown_links($message);
	6808	+
	6809	+ // Then, auto-convert any remaining plain URLs to links
	6810	+ $message = $this->auto_link_urls($message);
	6811	+
	6812	+ // Allow basic HTML tags for links and formatting
	6813	+ $allowed_tags = [
	6814	+ 'a' => [
	6815	+ 'href' => true,
	6816	+ 'target' => true,
	6817	+ 'rel' => true,
	6818	+ 'title' => true,
	6819	+ 'class' => true
	6820	+ ],
	6821	+ 'strong' => [],
	6822	+ 'em' => [],
	6823	+ 'br' => [],
	6824	+ 'b' => [],
	6825	+ 'i' => [],
	6826	+ 'span' => ['class' => true]
	6827	+ ];
	6828	+
	6829	+ // Sanitize but allow the specified HTML tags
	6830	+ $processed_message = wp_kses($message, $allowed_tags);
	6831	+
	6832	+ // If wp_kses stripped everything, return the original message as plain text
	6833	+ if (empty($processed_message) && !empty($message)) {
	6834	+ // Strip all HTML and return plain text as fallback
	6835	+ return wp_strip_all_tags($message);
	6836	+ }
	6837	+
	6838	+ return $processed_message;
	6839	+}
4049	6840
4050		- // db call ok; no-cache ok
4051		- // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery -- db call ok
4052		- $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE 'mxchat_chat_limit_%'");
	6841	+/**
	6842	+ * Convert markdown links to HTML
	6843	+ *
	6844	+ * @param string $text The text to process
	6845	+ * @return string The text with markdown links converted to HTML
	6846	+ */
	6847	+private function convert_markdown_links($text) {
	6848	+ // Return original text if empty
	6849	+ if (empty($text)) {
	6850	+ return $text;
	6851	+ }
	6852	+
	6853	+ // Pattern to match markdown links: [text](url)
	6854	+ $pattern = '/\[([^\]]+)\]\(([^)]+)\)/';
	6855	+
	6856	+ $processed_text = preg_replace_callback($pattern, function($matches) {
	6857	+ $link_text = $matches[1];
	6858	+ $url = $matches[2];
	6859	+
	6860	+ // Clean up any trailing punctuation from the URL
	6861	+ $url = rtrim($url, '.,;:!?');
	6862	+
	6863	+ // Sanitize the link text and URL
	6864	+ $safe_text = esc_html($link_text);
	6865	+ $safe_url = esc_url($url);
	6866	+
	6867	+ // Create the HTML link
	6868	+ return '<a href="' . $safe_url . '" target="_blank" rel="noopener noreferrer">' . $safe_text . '</a>';
	6869	+ }, $text);
	6870	+
	6871	+ // If preg_replace_callback failed, return original text
	6872	+ if ($processed_text === null) {
	6873	+ return $text;
	6874	+ }
	6875	+
	6876	+ return $processed_text;
	6877	+}
4053	6878
4054		- // Clear the relevant cache entries
4055		- foreach ($option_names as $option_name) {
4056		- wp_cache_delete($option_name, 'options');
4057		- }
	6879	+/**
	6880	+ * Auto-convert plain URLs to clickable links
	6881	+ *
	6882	+ * @param string $text The text to process
	6883	+ * @return string The text with URLs converted to links
	6884	+ */
	6885	+private function auto_link_urls($text) {
	6886	+ // Return original text if empty
	6887	+ if (empty($text)) {
	6888	+ return $text;
	6889	+ }
	6890	+
	6891	+ // Simple pattern that avoids complex lookbehinds
	6892	+ // This will match URLs that are not already inside href attributes or markdown links
	6893	+ $pattern = '/(?<!href=["\'])(?<!\]\()https?:\/\/[^\s<>"\')\]]+/i';
	6894	+
	6895	+ $processed_text = preg_replace_callback($pattern, function($matches) {
	6896	+ $url = $matches[0];
	6897	+ // Clean up any trailing punctuation that might have been captured
	6898	+ $url = rtrim($url, '.,;:!?');
	6899	+
	6900	+ // Add target="_blank" and rel="noopener noreferrer" for security
	6901	+ return '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($url) . '</a>';
	6902	+ }, $text);
	6903	+
	6904	+ // If preg_replace_callback failed, return original text
	6905	+ if ($processed_text === null) {
	6906	+ return $text;
	6907	+ }
	6908	+
	6909	+ return $processed_text;
	6910	+}
4058	6911
4059		- // Optionally, clear a general cache if you have one
4060		- wp_cache_delete('mxchat_all_chat_limits', 'options');
	6912	+
	6913	+// Helper function to get client IP address
	6914	+private function get_client_ip() {
	6915	+ // Check for shared internet/ISP IP
	6916	+ if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
	6917	+ return sanitize_text_field($_SERVER['HTTP_CLIENT_IP']);
4061	6918	}
	6919	+
	6920	+ // Check for IPs passing through proxies
	6921	+ if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
	6922	+ // Use the first value in the comma-separated list
	6923	+ $forwarded_for = explode(',', sanitize_text_field($_SERVER['HTTP_X_FORWARDED_FOR']));
	6924	+ return trim($forwarded_for[0]);
	6925	+ }
	6926	+
	6927	+ if (!empty($_SERVER['REMOTE_ADDR'])) {
	6928	+ return sanitize_text_field($_SERVER['REMOTE_ADDR']);
	6929	+ }
	6930	+
	6931	+ // Fallback
	6932	+ return 'unknown';
	6933	+}
4062	6934
4063		-private function mxchat_fetch_woocommerce_products() {
4064		- // Ensure WooCommerce is active
4065		- if (!class_exists('WooCommerce')) {
4066		- return [];
	6935	+/**
	6936	+ * AJAX handler to get system information for testing panel
	6937	+ */
	6938	+public function mxchat_get_system_info() {
	6939	+ // Verify nonce for security
	6940	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6941	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6942	+ return;
4067	6943	}
	6944	+
	6945	+ // Only allow admin users
	6946	+ if (!current_user_can('administrator')) {
	6947	+ wp_send_json_error(['message' => 'Unauthorized']);
	6948	+ return;
	6949	+ }
	6950	+
	6951	+ // Get system prompt from options
	6952	+ $system_prompt = isset($this->options['system_prompt_instructions'])
	6953	+ ? $this->options['system_prompt_instructions']
	6954	+ : 'No system prompt configured';
	6955	+
	6956	+ // Get selected model - FIXED: Use $this->options instead of $current_options
	6957	+ $selected_model = isset($this->options['model']) ? $this->options['model'] : 'gpt-4o';
	6958	+
	6959	+ // Get API key status (just check if they exist, don't expose the keys)
	6960	+ $api_status = [];
	6961	+ $api_status['openai'] = !empty($this->options['api_key']);
	6962	+ $api_status['claude'] = !empty($this->options['claude_api_key']);
	6963	+ $api_status['gemini'] = !empty($this->options['gemini_api_key']);
	6964	+ $api_status['xai'] = !empty($this->options['xai_api_key']);
	6965	+ $api_status['deepseek'] = !empty($this->options['deepseek_api_key']);
	6966	+
	6967	+ wp_send_json_success([
	6968	+ 'system_prompt' => $system_prompt,
	6969	+ 'selected_model' => $selected_model,
	6970	+ 'api_status' => $api_status
	6971	+ ]);
	6972	+}
4068	6973
4069		- $args = array(
4070		- 'post_type' => 'product',
4071		- 'post_status' => 'publish',
4072		- 'posts_per_page' => -1,
	6974	+/**
	6975	+ * AJAX handler to get similarity threshold
	6976	+ */
	6977	+public function mxchat_get_similarity_threshold() {
	6978	+ // Verify nonce for security
	6979	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6980	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6981	+ return;
	6982	+ }
	6983	+
	6984	+ // Only allow admin users
	6985	+ if (!current_user_can('administrator')) {
	6986	+ wp_send_json_error(['message' => 'Unauthorized']);
	6987	+ return;
	6988	+ }
	6989	+
	6990	+ // Get similarity threshold from main options (default 35%)
	6991	+ $similarity_threshold = isset($this->options['similarity_threshold'])
	6992	+ ? ((int) $this->options['similarity_threshold']) / 100
	6993	+ : 0.35;
	6994	+
	6995	+ wp_send_json_success([
	6996	+ 'threshold' => $similarity_threshold,
	6997	+ 'threshold_percentage' => ($similarity_threshold * 100) . '%'
	6998	+ ]);
	6999	+}
	7000	+
	7001	+/**
	7002	+ * AJAX handler to get knowledge base status
	7003	+ */
	7004	+public function mxchat_get_kb_status() {
	7005	+ // Verify nonce for security
	7006	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	7007	+ wp_send_json_error(['message' => 'Invalid nonce']);
	7008	+ return;
	7009	+ }
	7010	+
	7011	+ // Only allow admin users
	7012	+ if (!current_user_can('administrator')) {
	7013	+ wp_send_json_error(['message' => 'Unauthorized']);
	7014	+ return;
	7015	+ }
	7016	+
	7017	+ // Check Pinecone vs WordPress
	7018	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	7019	+ $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1');
	7020	+
	7021	+ $kb_info = [
	7022	+ 'type' => $use_pinecone ? 'Pinecone' : 'WordPress Database',
	7023	+ 'status' => 'Active'
	7024	+ ];
	7025	+
	7026	+ // Get document count
	7027	+ if ($use_pinecone) {
	7028	+ $kb_info['documents'] = 'Connected to Pinecone';
	7029	+ $kb_info['api_configured'] = !empty($addon_options['mxchat_pinecone_api_key']);
	7030	+ } else {
	7031	+ // Count documents in WordPress database
	7032	+ global $wpdb;
	7033	+ $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
	7034	+ $count = $wpdb->get_var("SELECT COUNT(*) FROM {$table_name}");
	7035	+ $kb_info['documents'] = $count ? $count . ' documents' : 'No documents';
	7036	+ }
	7037	+
	7038	+ wp_send_json_success($kb_info);
	7039	+}
	7040	+
	7041	+/**
	7042	+ * AJAX handler to start a completely fresh session (NEW - replaces old clear session)
	7043	+ */
	7044	+public function mxchat_start_fresh_session() {
	7045	+ // Verify nonce for security
	7046	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	7047	+ wp_send_json_error(['message' => 'Invalid nonce']);
	7048	+ return;
	7049	+ }
	7050	+
	7051	+ // Only allow admin users
	7052	+ if (!current_user_can('administrator')) {
	7053	+ wp_send_json_error(['message' => 'Unauthorized']);
	7054	+ return;
	7055	+ }
	7056	+
	7057	+ $old_session_id = isset($_POST['old_session_id']) ? sanitize_text_field($_POST['old_session_id']) : '';
	7058	+ $new_session_id = isset($_POST['new_session_id']) ? sanitize_text_field($_POST['new_session_id']) : '';
	7059	+
	7060	+ if (empty($old_session_id)) {
	7061	+ wp_send_json_error(['message' => 'Old session ID required']);
	7062	+ return;
	7063	+ }
	7064	+
	7065	+ // If no new session ID provided, generate one
	7066	+ if (empty($new_session_id)) {
	7067	+ $new_session_id = 'mxchat_chat_' . substr(md5(uniqid()), 0, 9);
	7068	+ }
	7069	+
	7070	+ // Clear ALL data associated with the old session
	7071	+ $this->clear_complete_session_data($old_session_id);
	7072	+
	7073	+ // Initialize the new session
	7074	+ $this->initialize_fresh_session($new_session_id);
	7075	+
	7076	+ wp_send_json_success([
	7077	+ 'message' => 'Fresh session started successfully',
	7078	+ 'new_session_id' => $new_session_id,
	7079	+ 'old_session_id' => $old_session_id
	7080	+ ]);
	7081	+}
	7082	+
	7083	+/**
	7084	+ * Clear ALL data associated with a session (ENHANCED)
	7085	+ */
	7086	+private function clear_complete_session_data($session_id) {
	7087	+ // Clear chat history
	7088	+ delete_option("mxchat_history_{$session_id}");
	7089	+
	7090	+ // Clear chat mode
	7091	+ delete_option("mxchat_mode_{$session_id}");
	7092	+
	7093	+ // Clear any PDF/Word transients
	7094	+ $this->clear_pdf_transients($session_id);
	7095	+ if (method_exists($this, 'clear_word_transients')) {
	7096	+ $this->clear_word_transients($session_id);
	7097	+ }
	7098	+
	7099	+ // Clear agent-related data
	7100	+ delete_option("mxchat_channel_{$session_id}");
	7101	+ delete_option("mxchat_agent_name_{$session_id}");
	7102	+ delete_option("mxchat_email_{$session_id}");
	7103	+
	7104	+ // Clear any recommendation flow state
	7105	+ delete_option("mxchat_sr_flow_state_{$session_id}");
	7106	+
	7107	+ // Clear any cached embeddings or context
	7108	+ delete_transient("mxchat_context_{$session_id}");
	7109	+ delete_transient("mxchat_last_query_{$session_id}");
	7110	+
	7111	+ // Clear any testing data
	7112	+ delete_transient("mxchat_testing_data_{$session_id}");
	7113	+
	7114	+ // Clear any rate limiting data for this session
	7115	+ delete_transient("mxchat_rate_limit_{$session_id}");
	7116	+
	7117	+ // Clear any other session-specific transients
	7118	+ delete_transient("mxchat_waiting_for_pdf_url_{$session_id}");
	7119	+ delete_transient("mxchat_include_pdf_in_context_{$session_id}");
	7120	+ delete_transient("mxchat_include_word_in_context_{$session_id}");
	7121	+
	7122	+ //error_log("MxChat: Cleared all data for session: {$session_id}");
	7123	+}
	7124	+
	7125	+/**
	7126	+ * Initialize a fresh session with default data
	7127	+ */
	7128	+private function initialize_fresh_session($session_id) {
	7129	+ // Set default chat mode
	7130	+ update_option("mxchat_mode_{$session_id}", 'ai');
	7131	+
	7132	+ //error_log("MxChat: Initialized fresh session: {$session_id}");
	7133	+}
	7134	+
	7135	+/**
	7136	+ * Helper method to clear Word document transients (if you have Word support)
	7137	+ */
	7138	+private function clear_word_transients($session_id) {
	7139	+ delete_transient('mxchat_word_url_' . $session_id);
	7140	+ delete_transient('mxchat_word_filename_' . $session_id);
	7141	+ delete_transient('mxchat_word_embeddings_' . $session_id);
	7142	+ delete_transient('mxchat_include_word_in_context_' . $session_id);
	7143	+}
	7144	+
	7145	+/**
	7146	+ * Simplified testing data capture method (CLEANED UP)
	7147	+ */
	7148	+private function capture_testing_data($user_embedding, $message, $session_id) {
	7149	+ // Only capture for admin users
	7150	+ if (!current_user_can('administrator')) {
	7151	+ return null;
	7152	+ }
	7153	+
	7154	+ $testing_data = [
	7155	+ 'query' => $message,
	7156	+ 'timestamp' => time(),
	7157	+ 'top_matches' => [],
	7158	+ 'action_matches' => [] // Add action matches
	7159	+ ];
	7160	+
	7161	+ // Get similarity threshold
	7162	+ $similarity_threshold = isset($this->options['similarity_threshold'])
	7163	+ ? ((int) $this->options['similarity_threshold']) / 100
	7164	+ : 0.35;
	7165	+
	7166	+ $testing_data['similarity_threshold'] = $similarity_threshold;
	7167	+
	7168	+ // Use the real similarity analysis if available
	7169	+ if ($this->last_similarity_analysis !== null) {
	7170	+ $testing_data['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'];
	7171	+ $testing_data['top_matches'] = $this->last_similarity_analysis['top_matches'];
	7172	+ $testing_data['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0;
	7173	+ } else {
	7174	+ // Fallback: determine knowledge base type
	7175	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	7176	+ $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1');
	7177	+
	7178	+ $testing_data['knowledge_base_type'] = $use_pinecone ? 'Pinecone' : 'WordPress Database';
	7179	+ }
	7180	+
	7181	+ // Include action analysis if available
	7182	+ if (isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	7183	+ $testing_data['action_matches'] = $this->last_action_analysis;
	7184	+
	7185	+ // Clear it after capturing to avoid stale data
	7186	+ $this->last_action_analysis = null;
	7187	+ }
	7188	+
	7189	+ return $testing_data;
	7190	+}
	7191	+
	7192	+
	7193	+/**
	7194	+ * Track URL clicks from chatbot responses
	7195	+ */
	7196	+public function mxchat_track_url_click() {
	7197	+ // Verify nonce for security
	7198	+ if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
	7199	+ wp_send_json_error(['message' => 'Invalid nonce']);
	7200	+ wp_die();
	7201	+ }
	7202	+
	7203	+ $session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
	7204	+ $clicked_url = isset($_POST['url']) ? esc_url_raw($_POST['url']) : '';
	7205	+ $message_context = isset($_POST['message_context']) ? sanitize_textarea_field($_POST['message_context']) : '';
	7206	+
	7207	+ if (empty($session_id) || empty($clicked_url)) {
	7208	+ wp_send_json_error(['message' => 'Missing required data']);
	7209	+ wp_die();
	7210	+ }
	7211	+
	7212	+ global $wpdb;
	7213	+ $table_name = $wpdb->prefix . 'mxchat_url_clicks';
	7214	+
	7215	+ // Insert click tracking record
	7216	+ $wpdb->insert(
	7217	+ $table_name,
	7218	+ [
	7219	+ 'session_id' => $session_id,
	7220	+ 'clicked_url' => $clicked_url,
	7221	+ 'message_context' => $message_context,
	7222	+ 'click_timestamp' => current_time('mysql', 1),
	7223	+ 'user_ip' => $_SERVER['REMOTE_ADDR'],
	7224	+ 'user_agent' => $_SERVER['HTTP_USER_AGENT']
	7225	+ ]
4073	7226	);
	7227	+
	7228	+ wp_send_json_success(['message' => 'Click tracked']);
	7229	+ wp_die();
	7230	+}
4074	7231
4075		- $products = get_posts($args);
4076		- $product_data = [];
	7232	+/**
	7233	+ * Get URL click analytics for a session
	7234	+ */
	7235	+public function mxchat_get_url_clicks($session_id) {
	7236	+ global $wpdb;
	7237	+ $table_name = $wpdb->prefix . 'mxchat_url_clicks';
	7238	+
	7239	+ $clicks = $wpdb->get_results($wpdb->prepare(
	7240	+ "SELECT * FROM $table_name WHERE session_id = %s ORDER BY click_timestamp ASC",
	7241	+ $session_id
	7242	+ ));
	7243	+
	7244	+ return $clicks;
	7245	+}
	7246	+/**
	7247	+ * Track the originating page where chat was started
	7248	+ */
	7249	+public function mxchat_track_originating_page() {
	7250	+ // Verify nonce
	7251	+ if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
	7252	+ wp_send_json_error(['message' => 'Invalid nonce']);
	7253	+ wp_die();
	7254	+ }
	7255	+
	7256	+ $session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
	7257	+ $page_url = isset($_POST['page_url']) ? esc_url_raw($_POST['page_url']) : '';
	7258	+ $page_title = isset($_POST['page_title']) ? sanitize_text_field($_POST['page_title']) : '';
	7259	+
	7260	+ if (empty($session_id)) {
	7261	+ wp_send_json_error(['message' => 'Missing session ID']);
	7262	+ wp_die();
	7263	+ }
	7264	+
	7265	+ global $wpdb;
	7266	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
	7267	+
	7268	+ // Check if we've already tracked for this session
	7269	+ $existing = $wpdb->get_var($wpdb->prepare(
	7270	+ "SELECT COUNT(*) FROM $table_name
	7271	+ WHERE session_id = %s
	7272	+ AND originating_page_url IS NOT NULL",
	7273	+ $session_id
	7274	+ ));
	7275	+
	7276	+ if ($existing > 0) {
	7277	+ wp_send_json_success(['message' => 'Already tracked']);
	7278	+ wp_die();
	7279	+ }
	7280	+
	7281	+ // Update the first message in this session with originating page info
	7282	+ $wpdb->query($wpdb->prepare(
	7283	+ "UPDATE $table_name
	7284	+ SET originating_page_url = %s,
	7285	+ originating_page_title = %s
	7286	+ WHERE session_id = %s
	7287	+ ORDER BY timestamp ASC
	7288	+ LIMIT 1",
	7289	+ $page_url,
	7290	+ $page_title,
	7291	+ $session_id
	7292	+ ));
	7293	+
	7294	+ wp_send_json_success(['message' => 'Originating page tracked']);
	7295	+ wp_die();
	7296	+}
4077	7297
4078		- foreach ($products as $product) {
4079		- $product_id = $product->ID;
4080		- $product_obj = wc_get_product($product_id);
4081	7298
4082		- $product_data[] = array(
4083		- 'id' => $product_id,
4084		- 'name' => $product_obj->get_name(),
4085		- 'description' => $product_obj->get_description(),
4086		- 'short_description' => $product_obj->get_short_description(),
4087		- 'url' => get_permalink($product_id),
4088		- 'price' => $product_obj->get_regular_price(),
4089		- 'sale_price' => $product_obj->get_sale_price(),
4090		- 'stock_status' => $product_obj->get_stock_status(),
4091		- 'sku' => $product_obj->get_sku(),
4092		- 'in_stock' => $product_obj->is_in_stock(),
4093		- 'total_sales' => $product_obj->get_total_sales(),
4094		- );
	7299	+/**
	7300	+ * AJAX handler to get current chat mode for a session
	7301	+ */
	7302	+public function mxchat_get_current_chat_mode() {
	7303	+ // Verify nonce for security
	7304	+ if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
	7305	+ wp_send_json_error(['message' => 'Invalid nonce']);
	7306	+ wp_die();
4095	7307	}
	7308	+
	7309	+ $session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
	7310	+
	7311	+ if (empty($session_id)) {
	7312	+ wp_send_json_error(['message' => 'Session ID missing']);
	7313	+ wp_die();
	7314	+ }
	7315	+
	7316	+ // Get the current chat mode for this session
	7317	+ $chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
	7318	+
	7319	+ wp_send_json_success([
	7320	+ 'chat_mode' => $chat_mode
	7321	+ ]);
	7322	+ wp_die();
	7323	+}
4096	7324
4097		- return $product_data;
4098		-}
	7325	+
4099	7326
4100	7327	}
4101	7328	?>