← All changes | includes/class-mxchat-integrator.php +5182 -1370 2.0.4 → 2.4.2 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;
	14	+ private $last_action_analysis = array();
13	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 +645,92 @@
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']) && $_POST['action'] === 'mxchat_stream_chat';
	713	+
	714	+ // Set streaming headers if needed
	715	+ if ($is_streaming) {
	716	+ // Disable output buffering
	717	+ while (ob_get_level()) {
	718	+ ob_end_flush(); // Changed from ob_end_clean()
	719	+ }
	720	+
	721	+ // Set headers for SSE
	722	+ header('Content-Type: text/event-stream');
	723	+ header('Cache-Control: no-cache');
	724	+ header('Connection: keep-alive');
	725	+ header('X-Accel-Buffering: no');
	726	+
	727	+ // Add these new lines:
	728	+ ob_implicit_flush(true);
	729	+ flush();
535	730	}
536	731
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
	732	+ // Check if MX Chat Moderation is active
560	733	if (class_exists('MX_Chat_Moderation')) {
561	734	// Get user email and IP
562	735	$user_email = '';
563	736	$user_ip = $_SERVER['REMOTE_ADDR'];
		@@ -591,14 +764,12 @@
591	764	wp_die();
592	765	}
593	766	}
594	767
595		-
596		- // Reset fallback response at the start of each request
597	768	$this->fallbackResponse = ['text' => '', 'html' => '', 'images' => []];
598	769	$this->productCardHtml = '';
599	770
600		- // Get the actual WordPress user ID if logged in
	771	+ // Get the actual WordPress user ID if logged in
601	772	$is_logged_in = is_user_logged_in();
602	773	if ($is_logged_in) {
603	774	$user_id = get_current_user_id(); // This will get the actual WordPress user ID
604	775	} else {
		@@ -608,65 +779,24 @@
608	779
609	780	// Get and sanitize the user identifier
610	781	$user_id = sanitize_key($user_id);
611	782
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'));
	783	+ // Check rate limit using new settings structure
	784	+ $rate_limit_result = $this->check_rate_limit();
615	785
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, $chat_count, DAY_IN_SECONDS);
	786	+ if ($rate_limit_result !== true) {
	787	+ wp_send_json([
	788	+ 'success' => false,
	789	+ 'message' => $rate_limit_result['message'],
	790	+ 'status' => 'rate_limit_exceeded'
	791	+ ]);
	792	+ wp_die();
661	793	}
662	794
663	795	// Rest of your existing code...
664	796	$session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
665		- //error_log("Session ID: $session_id");
666	797
667	798	if (empty($session_id)) {
668		- //error_log("Error: Session ID is missing.");
669	799	wp_send_json_error(esc_html__('Session ID is missing.', 'mxchat'));
670	800	wp_die();
671	801	}
672	802
		@@ -671,116 +801,296 @@
671	801	}
672	802
673	803	// Validate and sanitize the incoming message
674	804	if (empty($_POST['message'])) {
675		- //error_log("Error: No message received.");
676	805	wp_send_json_error(esc_html__('No message received.', 'mxchat'));
677	806	wp_die();
678	807	}
	808	+
	809	+
	810	+ // Track originating page for first message in session
	811	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
679	812
	813	+ // Check if originating page columns exist
	814	+ $columns_exist = $wpdb->get_var("SHOW COLUMNS FROM $table_name LIKE 'originating_page_url'");
680	815
681		-// Modify the message sanitization to preserve PHP tags in code blocks
682		-$allowed_tags = [
683		- 'pre' => [],
684		- 'code' => ['class' => true],
685		- 'span' => ['class' => true],
686		- 'div' => ['class' => true],
687		-];
	816	+ if ($columns_exist) {
	817	+ // Check if this session already has messages
	818	+ $message_count = $wpdb->get_var($wpdb->prepare(
	819	+ "SELECT COUNT(*) FROM $table_name WHERE session_id = %s",
	820	+ $session_id
	821	+ ));
	822	+
	823	+ // If this is the first message in the session
	824	+ if ($message_count == 0) {
	825	+ // Get originating page from JavaScript (preferred) or HTTP_REFERER (fallback)
	826	+ $originating_url = '';
	827	+ $originating_title = '';
	828	+
	829	+ // Try to get from POST data first (sent by JavaScript)
	830	+ if (isset($_POST['current_page_url'])) {
	831	+ $originating_url = esc_url_raw($_POST['current_page_url']);
	832	+ $originating_title = isset($_POST['current_page_title'])
	833	+ ? sanitize_text_field($_POST['current_page_title'])
	834	+ : '';
	835	+ }
	836	+ // Fallback to HTTP_REFERER if not provided by JavaScript
	837	+ else if (isset($_SERVER['HTTP_REFERER'])) {
	838	+ $originating_url = esc_url_raw($_SERVER['HTTP_REFERER']);
	839	+ }
	840	+
	841	+ // Generate title if we have URL but no title
	842	+ if ($originating_url && empty($originating_title)) {
	843	+ $parsed_url = parse_url($originating_url);
	844	+ $path = isset($parsed_url['path']) ? trim($parsed_url['path'], '/') : '';
	845	+
	846	+ if (empty($path) || $path === 'index.php' || $path === 'index.html') {
	847	+ $originating_title = 'Homepage';
	848	+ } else {
	849	+ // Clean up the path to make a readable title
	850	+ $originating_title = str_replace(['-', '_', '/', '.php', '.html'], ' ', $path);
	851	+ $originating_title = ucwords(trim($originating_title));
	852	+ }
	853	+ }
	854	+
	855	+ // Store for later use when saving the message
	856	+ $this->pending_originating_page = [
	857	+ 'url' => $originating_url,
	858	+ 'title' => $originating_title
	859	+ ];
	860	+ }
	861	+ }
	862	+
	863	+
688	864
689		-// First preserve code blocks
690		-$message = preg_replace_callback('/<pre><code.*?>.*?<\/code><\/pre>/s', function($matches) {
691		- return htmlspecialchars_decode($matches[0]);
692		-}, $_POST['message']);
	865	+ // Get page context if provided
	866	+ $page_context = null;
	867	+ if (isset($_POST['page_context']) && !empty($_POST['page_context'])) {
	868	+ $page_context_raw = stripslashes($_POST['page_context']);
	869	+ $page_context = json_decode($page_context_raw, true);
	870	+
	871	+ // Validate page context structure
	872	+ if (is_array($page_context) &&
	873	+ isset($page_context['url']) &&
	874	+ isset($page_context['title']) &&
	875	+ isset($page_context['content'])) {
	876	+
	877	+ // Sanitize page context
	878	+ $page_context['url'] = esc_url_raw($page_context['url']);
	879	+ $page_context['title'] = sanitize_text_field($page_context['title']);
	880	+ $page_context['content'] = wp_kses_post($page_context['content']);
	881	+ } else {
	882	+ $page_context = null;
	883	+ }
	884	+ }
693	885
694		-// Then apply sanitization
695		-$message = wp_kses($message, $allowed_tags);
	886	+ // Modify the message sanitization to preserve PHP tags in code blocks
	887	+ $allowed_tags = [
	888	+ 'pre' => [],
	889	+ 'code' => ['class' => true],
	890	+ 'span' => ['class' => true],
	891	+ 'div' => ['class' => true],
	892	+ ];
696	893
697		-// Decode code blocks
698		-$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);
	894	+ // First preserve code blocks
	895	+ $message = preg_replace_callback('/<pre><code.*?>.*?<\/code><\/pre>/s', function($matches) {
	896	+ return htmlspecialchars_decode($matches[0]);
	897	+ }, $_POST['message']);
701	898
702		-$message = trim($message);
	899	+ // Then apply sanitization
	900	+ $message = wp_kses($message, $allowed_tags);
703	901
704		-// Preserve code blocks from markdown conversion
705		-$message = preg_replace('/```(\w+)?\s*([\s\S]+?)```/s', '<pre><code class="$1">$2</code></pre>', $message);
	902	+ // Preserve code blocks from markdown conversion
	903	+ $message = preg_replace('/```(\w+)?\s*([\s\S]+?)```/s', '<pre><code class="$1">$2</code></pre>', $message);
	904	+ $message = apply_filters('mxchat_filter_message', $message, 'prompt', $session_id);
706	905
707		- // Save the user's message
708		- $this->mxchat_save_chat_message($session_id, 'user', $message);
	906	+ // ===== SIMPLIFIED TESTING PANEL INITIALIZATION =====
	907	+ // Always initialize testing data for admins (no toggle needed)
	908	+ $testing_data = null;
	909	+ if (current_user_can('administrator')) {
	910	+ // For vision messages, use the original user message for the query display
	911	+ $query_for_testing = $message;
	912	+ if (isset($_POST['vision_processed']) && $_POST['vision_processed'] && isset($_POST['original_user_message'])) {
	913	+ $query_for_testing = sanitize_textarea_field($_POST['original_user_message']);
	914	+ }
	915	+
	916	+ $testing_data = [
	917	+ 'query' => $query_for_testing,
	918	+ 'timestamp' => time(),
	919	+ 'top_matches' => [],
	920	+ 'action_matches' => [], // Initialize action matches array
	921	+ 'page_context' => $page_context, // Include page context in testing data
	922	+ 'is_vision' => isset($_POST['vision_processed']) && $_POST['vision_processed'],
	923	+ 'bot_id' => $bot_id // Include bot ID in testing data
	924	+ ];
	925	+
	926	+ // Get similarity threshold from bot options or default options
	927	+ $similarity_threshold = isset($current_options['similarity_threshold'])
	928	+ ? ((int) $current_options['similarity_threshold']) / 100
	929	+ : 0.75;
	930	+
	931	+ $testing_data['similarity_threshold'] = $similarity_threshold;
	932	+
	933	+ // Determine knowledge base type using bot-specific config
	934	+ $bot_pinecone_config = $this->get_bot_pinecone_config($bot_id);
	935	+ $use_pinecone = isset($bot_pinecone_config['use_pinecone']) ? $bot_pinecone_config['use_pinecone'] : false;
	936	+ $testing_data['knowledge_base_type'] = $use_pinecone ? 'Pinecone' : 'WordPress Database';
	937	+ }
	938	+ // ===== END SIMPLIFIED TESTING INITIALIZATION =====
709	939
710		- // Check if the message is an email address
711		- if (is_email($message)) {
712		- // Add the email to Loops
713		- $this->add_email_to_loops($message);
	940	+ // Add debug before and after:
	941	+ //error_log('MxChat Core: About to call mxchat_pre_process_message filter with message: ' . $message);
	942	+ $pre_processed_result = apply_filters('mxchat_pre_process_message', $message, $user_id, $session_id);
	943	+ //error_log('MxChat Core: Filter returned: ' . (is_array($pre_processed_result) ? 'array' : $pre_processed_result));
714	944
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	945
719		- wp_send_json([
720		- 'success' => true,
721		- 'status' => 'email_captured',
722		- 'message' => $response_message
723		- ]);
724		- wp_die();
725		- }
	946	+ // If the pre-processing returned a result (not the original message), use it directly
	947	+ if (is_array($pre_processed_result) && isset($pre_processed_result['text'])) {
	948	+ // Save the AI response
	949	+ $this->mxchat_save_chat_message($session_id, 'bot', $pre_processed_result['text']);
	950	+
	951	+ // Save HTML content if provided
	952	+ if (!empty($pre_processed_result['html'])) {
	953	+ $this->mxchat_save_chat_message($session_id, 'bot', $pre_processed_result['html']);
	954	+ }
	955	+
	956	+ // Add testing data if admin
	957	+ $response_data = [
	958	+ 'text' => $pre_processed_result['text'],
	959	+ 'html' => $pre_processed_result['html'] ?? '',
	960	+ 'session_id' => $session_id
	961	+ ];
	962	+
	963	+ if ($testing_data !== null) {
	964	+ $response_data['testing_data'] = $testing_data;
	965	+ }
	966	+
	967	+ wp_send_json($response_data);
	968	+ wp_die();
	969	+ }
726	970
727		- $intent_info = '';
	971	+ // Save the user's message - handle vision processed messages differently
	972	+ if (isset($_POST['vision_processed']) && $_POST['vision_processed'] && isset($_POST['original_user_message'])) {
	973	+ // For vision messages, save the original user message with image indicator
	974	+ $original_message = sanitize_textarea_field($_POST['original_user_message']);
	975	+ if (isset($_POST['vision_images_count']) && $_POST['vision_images_count'] > 0) {
	976	+ $image_count = intval($_POST['vision_images_count']);
	977	+ $original_message .= " [{$image_count} image(s)]";
	978	+ }
	979	+ $this->mxchat_save_chat_message($session_id, 'user', $original_message);
	980	+ } else {
	981	+ // Regular message - save as normal
	982	+ $this->mxchat_save_chat_message($session_id, 'user', $message);
	983	+ }
728	984
729		- // Check chat mode
730		- $chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
731		- //error_log("Chat Mode: $chat_mode");
	985	+
	986	+ if (is_email($message)) {
	987	+ // Add the email to Loops
	988	+ $this->add_email_to_loops($message);
	989	+
	990	+ // Get the user's success message instruction using current_options
	991	+ $user_success_message = $current_options['email_capture_response'] ?? __('Thank you for providing your email! You\'ve been added to our list.', 'mxchat');
	992	+
	993	+ // Set instruction for AI using the user's success message
	994	+ $this->current_action_instruction = $user_success_message;
	995	+
	996	+ // Clear the email capture transient since we got the email
	997	+ delete_transient('mxchat_email_capture_' . $user_id);
	998	+ }
	999	+
	1000	+ // Check if we're in an email capture flow but user hasn't provided email yet
	1001	+ elseif (get_transient('mxchat_email_capture_' . $user_id)) {
	1002	+ // Check if the message contains an email (not the whole message being an email)
	1003	+ if (preg_match('/\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b/', $message, $matches)) {
	1004	+ $extracted_email = $matches[0];
	1005	+
	1006	+ // Add the extracted email to Loops
	1007	+ $this->add_email_to_loops($extracted_email);
	1008	+
	1009	+ // Get the user's success message instruction using current_options
	1010	+ $user_success_message = $current_options['email_capture_response'] ?? __('Thank you for providing your email! You\'ve been added to our list.', 'mxchat');
	1011	+
	1012	+ // Set instruction for AI using the user's success message
	1013	+ $this->current_action_instruction = $user_success_message;
	1014	+
	1015	+ // Clear the email capture transient since we got the email
	1016	+ delete_transient('mxchat_email_capture_' . $user_id);
	1017	+ }
	1018	+ // If no email found but we're in capture mode, remind them
	1019	+ else {
	1020	+ // Get the original instruction to remind them using current_options
	1021	+ $original_instruction = $current_options['triggered_phrase_response'] ?? __("Please provide your email address.", 'mxchat');
	1022	+ $this->current_action_instruction = $original_instruction;
	1023	+ }
	1024	+ }
732	1025
733		- // Handle agent mode
734		- if ($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);
	1026	+ $intent_info = '';
737	1027
738		- // If we matched an intent and it's the switch intent, handle it
739		- if ($intent_matched && !empty($this->fallbackResponse['text'])) {
740		- //error_log("Switch to chatbot intent detected");
	1028	+ // Check chat mode
	1029	+ $chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
741	1030
742		- // Update chat mode first
743		- update_option("mxchat_mode_{$session_id}", 'ai');
	1031	+ // Handle agent mode
	1032	+ // Handle agent mode
	1033	+ if ($chat_mode === 'agent') {
	1034	+ // First, check for switch intent before doing anything else
	1035	+ $intent_matched = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
744	1036
745		- // Clear any existing PDF context to start fresh
746		- $this->clear_pdf_transients($session_id);
	1037	+ // Capture action analysis for testing panel after intent check
	1038	+ if ($testing_data !== null && isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	1039	+ $testing_data['action_matches'] = $this->last_action_analysis;
	1040	+ }
	1041	+
	1042	+ // Around line 506, in the agent mode handling section:
	1043	+ if ($intent_matched && !empty($this->fallbackResponse['text'])) {
	1044	+ // Update chat mode first
	1045	+ update_option("mxchat_mode_{$session_id}", 'ai');
	1046	+
	1047	+ // Clear any existing PDF context to start fresh
	1048	+ $this->clear_pdf_transients($session_id);
	1049	+
	1050	+ // Prepare clean switch response with explicit chat_mode
	1051	+ $response_data = [
	1052	+ 'text' => $this->fallbackResponse['text'],
	1053	+ 'html' => $this->fallbackResponse['html'] ?? '',
	1054	+ 'session_id' => $session_id,
	1055	+ 'chat_mode' => 'ai' // EXPLICITLY SET THIS
	1056	+ ];
	1057	+
	1058	+ if ($testing_data !== null) {
	1059	+ $response_data['testing_data'] = $testing_data;
	1060	+ }
	1061	+
	1062	+ // Save the mode switch message
	1063	+ $this->mxchat_save_chat_message($session_id, 'system', esc_html__('Switched to AI chat mode', 'mxchat'));
	1064	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']);
	1065	+
	1066	+ // Send response and exit
	1067	+ wp_send_json($response_data);
	1068	+ wp_die();
	1069	+ } elseif (!$intent_matched) {
	1070	+ // No intent matched, handle live agent message
	1071	+ try {
	1072	+ $this->mxchat_send_user_message_to_agent($message, $user_id, $session_id);
747	1073
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		- ];
	1074	+ $agent_response = [
	1075	+ 'status' => 'waiting_for_agent',
	1076	+ 'message' => esc_html__('Message sent to live agent.', 'mxchat')
	1077	+ ];
	1078	+
	1079	+ if ($testing_data !== null) {
	1080	+ $agent_response['testing_data'] = $testing_data;
	1081	+ }
755	1082
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: " . $e->getMessage());
775		- wp_send_json_error(esc_html__('Failed to send message to agent', 'mxchat'));
	1083	+ wp_send_json_success($agent_response);
	1084	+ } catch (\Exception $e) {
	1085	+ wp_send_json_error(esc_html__('Failed to send message to agent', 'mxchat'));
	1086	+ }
	1087	+ wp_die();
776	1088	}
777		- wp_die();
778	1089	}
779		- }
780	1090
781	1091	// Step 1: Check for new PDF URL in the message
782		- if (preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) {
	1092	+ if (!isset($_POST['vision_processed']) && preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) {
783	1093	$new_pdf_url = $matches[0];
784	1094
785	1095	// Check if this is likely a PDF-related request
786	1096	$pdf_keywords = ['pdf', 'document', 'read', 'analyze'];
		@@ -802,15 +1112,15 @@
802	1112
803	1113	// Clear previous PDF transients
804	1114	$this->clear_pdf_transients($session_id);
805	1115
806		- // Process new PDF
807		- $max_pages = $this->options['pdf_max_pages'] ?? 69;
	1116	+ // Process new PDF using current_options
	1117	+ $max_pages = $current_options['pdf_max_pages'] ?? 69;
808	1118	$embeddings = $this->fetch_and_split_pdf_pages($new_pdf_url, $max_pages);
809	1119
810	1120	if ($embeddings === 'too_many_pages') {
811	1121	$error_text = sprintf(
812		- $this->options['pdf_intent_error_text'] ??
	1122	+ $current_options['pdf_intent_error_text'] ??
813	1123	esc_html__("The provided PDF exceeds the maximum allowed limit of %d pages. Please provide a smaller document.", 'mxchat'),
814	1124	$max_pages
815	1125	);
816	1126	$this->fallbackResponse['text'] = $error_text;
		@@ -815,15 +1125,13 @@
815	1125	);
816	1126	$this->fallbackResponse['text'] = $error_text;
817	1127	} elseif ($embeddings) {
818	1128	// Store new PDF information
819		- // Create a more meaningful filename from URL
820	1129	$pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH));
821	1130
822		- // If the filename is generic (like results_download.php), create a more descriptive one
	1131	+ // If the filename is generic, create a more descriptive one
823	1132	if (in_array($pdf_filename, ['results_download.php', 'download.php', 'view.php', 'pdf.php']) ||
824	1133	strpos($pdf_filename, '.php') !== false) {
825		- // Create a timestamp-based name
826	1134	$pdf_filename = 'Document_' . date('Y-m-d_H-i') . '.pdf';
827	1135	}
828	1136
829	1137	set_transient('mxchat_pdf_url_' . $session_id, $new_pdf_url, HOUR_IN_SECONDS);
		@@ -830,77 +1138,224 @@
830	1138	set_transient('mxchat_pdf_filename_' . $session_id, $pdf_filename, HOUR_IN_SECONDS);
831	1139	set_transient('mxchat_pdf_embeddings_' . $session_id, $embeddings, HOUR_IN_SECONDS);
832	1140	set_transient('mxchat_include_pdf_in_context_' . $session_id, true, HOUR_IN_SECONDS);
833	1141
834		- $success_text = $this->options['pdf_intent_success_text'] ??
	1142	+ $success_text = $current_options['pdf_intent_success_text'] ??
835	1143	esc_html__("I've processed the new PDF '{$pdf_filename}'. What questions do you have about it?", 'mxchat');
836	1144
837		- // Return success with filename for UI update
838		- wp_send_json([
	1145	+ $pdf_response = [
839	1146	'success' => true,
840	1147	'message' => $success_text,
841	1148	'data' => [
842	1149	'filename' => $pdf_filename
843	1150	]
844		- ]);
	1151	+ ];
	1152	+
	1153	+ if ($testing_data !== null) {
	1154	+ $pdf_response['testing_data'] = $testing_data;
	1155	+ }
	1156	+
	1157	+ wp_send_json($pdf_response);
845	1158	wp_die();
846	1159	} else {
847		- $error_text = $this->options['pdf_intent_error_text'] ??
	1160	+ $error_text = $current_options['pdf_intent_error_text'] ??
848	1161	esc_html__("Sorry, I couldn't process the PDF. Please ensure it's a valid file.", 'mxchat');
849	1162	$this->fallbackResponse['text'] = $error_text;
850	1163	}
851	1164
852		- wp_send_json([
	1165	+ $pdf_error_response = [
853	1166	'success' => false,
854	1167	'message' => $this->fallbackResponse['text']
855		- ]);
	1168	+ ];
	1169	+
	1170	+ if ($testing_data !== null) {
	1171	+ $pdf_error_response['testing_data'] = $testing_data;
	1172	+ }
	1173	+
	1174	+ wp_send_json($pdf_error_response);
856	1175	wp_die();
857	1176	}
858	1177	}
859	1178	}
860	1179
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"));
	1180	+ // Check if there's an active recommendation flow session
	1181	+ $flow_state = get_option("mxchat_sr_flow_state_{$session_id}", array());
	1182	+ if (!empty($flow_state) && isset($flow_state['flow_id'])) {
	1183	+ // Create a dummy intent object that matches the original intent
	1184	+ $dummy_intent = new stdClass();
	1185	+ $dummy_intent->intent_label = 'Recommendation Flow ' . $flow_state['flow_id'];
	1186	+ $dummy_intent->phrases = ''; // Empty phrases to avoid matching the original trigger
	1187	+
	1188	+ // Call the recommendation flow handler directly
	1189	+ $response_data = apply_filters('mxchat_sr_recommendation_flow', false, $message, $user_id, $session_id, $dummy_intent);
	1190	+
	1191	+ // If the handler returned a response, send it
	1192	+ if (is_array($response_data) && (isset($response_data['text']) || isset($response_data['html']))) {
	1193	+ // Save the bot's response to the chat history
	1194	+ if (!empty($response_data['text'])) {
	1195	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_data['text']);
	1196	+ }
	1197	+ if (!empty($response_data['html'])) {
	1198	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_data['html']);
	1199	+ }
	1200	+
	1201	+ if ($testing_data !== null) {
	1202	+ $response_data['testing_data'] = $testing_data;
	1203	+ }
	1204	+
	1205	+ // Send the response
	1206	+ wp_send_json($response_data);
	1207	+ wp_die();
	1208	+ }
	1209	+ }
864	1210
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		- }
	1211	+ // Step 2: Detect intent and handle intent-based responses
	1212	+ $intent_result = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
877	1213
878		- // If no intent matched or product not found, proceed with AI response
879		- //error_log("No matching intent or fallback. Generating AI response.");
	1214	+ // Capture action analysis for testing panel after intent check
	1215	+ if ($testing_data !== null && isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	1216	+ $testing_data['action_matches'] = $this->last_action_analysis;
	1217	+ }
880	1218
881		- // Step 4: Generate AI response
882		- $conversation_history = $this->mxchat_fetch_conversation_history_for_ai($session_id);
883		- $this->mxchat_increment_chat_count();
	1219	+ // Step 3: Handle the intent result appropriately
	1220	+ if ($intent_result !== false) {
	1221	+ // Intent was matched - ALWAYS send as JSON response, never streaming
	1222	+
	1223	+ if (is_array($intent_result) && (isset($intent_result['text']) || isset($intent_result['html']))) {
	1224	+ // Intent returned a direct response array
	1225	+ $response_data = [
	1226	+ 'text' => $intent_result['text'] ?? '',
	1227	+ 'html' => $intent_result['html'] ?? '',
	1228	+ 'session_id' => $session_id
	1229	+ ];
	1230	+
	1231	+ if ($testing_data !== null) {
	1232	+ $response_data['testing_data'] = $testing_data;
	1233	+ }
	1234	+
	1235	+ // Clear streaming headers if they were set
	1236	+ if ($is_streaming) {
	1237	+ header_remove('Content-Type');
	1238	+ header_remove('Cache-Control');
	1239	+ header_remove('Connection');
	1240	+ header_remove('X-Accel-Buffering');
	1241	+ header('Content-Type: application/json');
	1242	+ }
	1243	+
	1244	+ wp_send_json($response_data);
	1245	+ wp_die();
	1246	+ } else if ($intent_result === true && (!empty($this->fallbackResponse['text']) || !empty($this->fallbackResponse['html']))) {
	1247	+ // Intent returned true and set fallbackResponse
	1248	+
	1249	+ // SAVE TO TRANSCRIPT FIRST
	1250	+ if (!empty($this->fallbackResponse['text'])) {
	1251	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']);
	1252	+ }
	1253	+ if (!empty($this->fallbackResponse['html'])) {
	1254	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['html']);
	1255	+ }
	1256	+
	1257	+ $response_data = [
	1258	+ 'text' => $this->fallbackResponse['text'] ?? '',
	1259	+ 'html' => $this->fallbackResponse['html'] ?? '',
	1260	+ 'session_id' => $session_id
	1261	+ ];
	1262	+
	1263	+ if (isset($this->fallbackResponse['chat_mode'])) {
	1264	+ $response_data['chat_mode'] = $this->fallbackResponse['chat_mode'];
	1265	+ }
	1266	+
	1267	+ if ($testing_data !== null) {
	1268	+ $response_data['testing_data'] = $testing_data;
	1269	+ }
	1270	+
	1271	+ // Clear streaming headers if they were set
	1272	+ if ($is_streaming) {
	1273	+ header_remove('Content-Type');
	1274	+ header_remove('Cache-Control');
	1275	+ header_remove('Connection');
	1276	+ header_remove('X-Accel-Buffering');
	1277	+ header('Content-Type: application/json');
	1278	+ }
	1279	+
	1280	+ wp_send_json($response_data);
	1281	+ wp_die();
	1282	+ }
	1283	+ }
884	1284
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		- }
	1285	+ // If we get here, no intent matched OR the intent didn't provide a usable response
	1286	+
	1287	+ // Step 4: Generate AI response
	1288	+ $conversation_history = $this->mxchat_fetch_conversation_history_for_ai($session_id);
	1289	+ $this->mxchat_increment_chat_count();
	1290	+
	1291	+ // Generate embedding for the user's query - USE BOT-SPECIFIC API KEY
	1292	+ $api_key = $current_options['api_key'] ?? $this->options['api_key'];
	1293	+ $user_message_embedding = $this->mxchat_generate_embedding($message, $api_key);
	1294	+
	1295	+ // Check if the embedding generation returned an error
	1296	+ if (is_array($user_message_embedding) && isset($user_message_embedding['error'])) {
	1297	+ $error_message = $user_message_embedding['error'];
	1298	+ $error_code = $user_message_embedding['error_code'] ?? 'embedding_error';
	1299	+
	1300	+ wp_send_json_error([
	1301	+ 'error_message' => $error_message,
	1302	+ 'error_code' => $error_code
	1303	+ ]);
	1304	+ wp_die();
	1305	+ }
	1306	+
	1307	+ // Check if the embedding is valid
	1308	+ if (!is_array($user_message_embedding) || empty($user_message_embedding)) {
	1309	+ wp_send_json_error([
	1310	+ 'error_message' => esc_html__('Unable to process your message. The embedding service is not responding correctly.', 'mxchat'),
	1311	+ 'error_code' => 'invalid_embedding'
	1312	+ ]);
	1313	+ wp_die();
	1314	+ }
892	1315
893		- // Build context with both knowledge base and PDF content if available
894		- $context_content = "User asked: '{$message}'\n\n";
	1316	+ // Build context with both knowledge base and PDF content if available
	1317	+ $context_content = "User asked: '{$message}'\n\n";
	1318	+
	1319	+ // Add action instruction if present (add this right after the above line)
	1320	+ if (!empty($this->current_action_instruction)) {
	1321	+ $context_content .= "===== SPECIAL INSTRUCTION =====\n";
	1322	+ $context_content .= "IMPORTANT: " . $this->current_action_instruction . "\n";
	1323	+ $context_content .= "Respond naturally and conversationally while following this instruction.\n";
	1324	+ $context_content .= "===== END SPECIAL INSTRUCTION =====\n\n";
	1325	+
	1326	+ // Clear the instruction after using it
	1327	+ $this->current_action_instruction = null;
	1328	+ }
895	1329
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" . $relevant_content . "\n\n";
900		- }
901	1330
	1331	+ // Add page context if available and contextual awareness is enabled using current_options
	1332	+ if ($page_context && isset($current_options['contextual_awareness_toggle']) && $current_options['contextual_awareness_toggle'] === 'on') {
	1333	+ $context_content .= "===== CURRENT PAGE CONTEXT =====\n";
	1334	+ $context_content .= "Page URL: " . $page_context['url'] . "\n";
	1335	+ $context_content .= "Page Title: " . $page_context['title'] . "\n";
	1336	+ $context_content .= "Page Content: " . $page_context['content'] . "\n";
	1337	+ $context_content .= "===== END CURRENT PAGE CONTEXT =====\n\n";
	1338	+ }
902	1339
	1340	+ // Get relevant content from knowledge base - PASS BOT_ID
	1341	+ $relevant_content = $this->mxchat_find_relevant_content($user_message_embedding, $bot_id);
	1342	+
	1343	+ // ===== CAPTURE REAL SIMILARITY DATA FOR ADMINS =====
	1344	+ if ($testing_data !== null && $this->last_similarity_analysis !== null) {
	1345	+ // Update testing data with the REAL similarity analysis
	1346	+ $testing_data['top_matches'] = $this->last_similarity_analysis['top_matches'];
	1347	+ $testing_data['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0;
	1348	+ $testing_data['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'];
	1349	+ }
	1350	+ // ===== END SIMILARITY DATA CAPTURE =====
	1351	+
	1352	+ if (!empty($relevant_content)) {
	1353	+ $context_content .= "===== OFFICIAL KNOWLEDGE DATABASE CONTENT =====\n" . $relevant_content . "\n===== END OF OFFICIAL KNOWLEDGE DATABASE CONTENT =====\n\n";
	1354	+ } else {
	1355	+ $context_content .= "===== NO RELEVANT CONTENT FOUND IN KNOWLEDGE DATABASE =====\n";
	1356	+ }
	1357	+
903	1358	// Check for and include PDF content
904	1359	$pdf_url = get_transient('mxchat_pdf_url_' . $session_id);
905	1360	$pdf_embeddings = get_transient('mxchat_pdf_embeddings_' . $session_id);
906	1361	$pdf_filename = get_transient('mxchat_pdf_filename_' . $session_id);
		@@ -928,76 +1383,182 @@
928	1383	}
929	1384	$context_content .= "\n";
930	1385	}
931	1386	}
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		- );
	1387	+
	1388	+ $context_content = apply_filters('mxchat_prepare_context', $context_content, $session_id);
941	1389
942		- $this->mxchat_save_chat_message($session_id, 'bot', $response);
	1390	+ // Generate response - USE BOT-SPECIFIC API KEYS
	1391	+ $response = $this->mxchat_generate_response(
	1392	+ $context_content,
	1393	+ $current_options['api_key'] ?? $this->options['api_key'],
	1394	+ $current_options['xai_api_key'] ?? $this->options['xai_api_key'],
	1395	+ $current_options['claude_api_key'] ?? $this->options['claude_api_key'],
	1396	+ $current_options['deepseek_api_key'] ?? $this->options['deepseek_api_key'],
	1397	+ $current_options['gemini_api_key'] ?? $this->options['gemini_api_key'],
	1398	+ $conversation_history,
	1399	+ $is_streaming,
	1400	+ $session_id,
	1401	+ $testing_data
	1402	+ );
	1403	+
	1404	+ // Handle streaming vs non-streaming responses
	1405	+ if ($is_streaming) {
	1406	+ // Check if streaming actually happened or if it fell back to regular response
	1407	+ if ($response === true) {
	1408	+ wp_die();
	1409	+ }
	1410	+ // If we get here, streaming fell back to regular response, continue
	1411	+ }
	1412	+
	1413	+ // Check if the response is an error array
	1414	+ if (is_array($response) && isset($response['error'])) {
	1415	+ wp_send_json_error([
	1416	+ 'error_message' => $response['error'],
	1417	+ 'error_code' => $response['error_code'] ?? 'api_error'
	1418	+ ]);
	1419	+ wp_die();
	1420	+ }
	1421	+
	1422	+ // If we get here, the response is valid text
	1423	+ $this->mxchat_save_chat_message($session_id, 'bot', $response);
943	1424
944		- // Step 5: Save additional content if available
945		- if (!empty($this->productCardHtml)) {
946		- $this->mxchat_save_chat_message($session_id, 'bot', $this->productCardHtml);
	1425	+ // Step 5: Save additional content if available
	1426	+ if (!empty($this->productCardHtml)) {
	1427	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->productCardHtml);
	1428	+ }
	1429	+
	1430	+ if (!empty($this->fallbackResponse['html'])) {
	1431	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['html']);
	1432	+ }
	1433	+
	1434	+ // Step 6: Return the response
	1435	+ $response_data = [
	1436	+ 'text' => $response,
	1437	+ 'html' => !empty($this->productCardHtml) ? $this->productCardHtml : ($this->fallbackResponse['html'] ?? ''),
	1438	+ 'session_id' => $session_id
	1439	+ ];
	1440	+
	1441	+ // Always add testing data for admins (no toggle needed)
	1442	+ if ($testing_data !== null) {
	1443	+ $response_data['testing_data'] = $testing_data;
	1444	+ }
	1445	+
	1446	+ wp_send_json($response_data);
	1447	+ wp_die();
	1448	+}
	1449	+
	1450	+
	1451	+/**
	1452	+ * Get bot-specific options for multi-bot functionality
	1453	+ * Falls back to default options if bot_id is 'default' or multi-bot add-on is not active
	1454	+ */
	1455	+// Also debug the bot options retrieval
	1456	+private function get_bot_options($bot_id = 'default') {
	1457	+ error_log("MXCHAT DEBUG: get_bot_options called for bot: " . $bot_id);
	1458	+
	1459	+ if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
	1460	+ error_log("MXCHAT DEBUG: Using default options (no multi-bot or bot is 'default')");
	1461	+ return array();
947	1462	}
	1463	+
	1464	+ $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
	1465	+
	1466	+ if (!empty($bot_options)) {
	1467	+ error_log("MXCHAT DEBUG: Got bot-specific options from filter");
	1468	+ if (isset($bot_options['similarity_threshold'])) {
	1469	+ error_log(" - similarity_threshold: " . $bot_options['similarity_threshold']);
	1470	+ }
	1471	+ }
	1472	+
	1473	+ return is_array($bot_options) ? $bot_options : array();
	1474	+}
948	1475
949		- if (!empty($this->fallbackResponse['html'])) {
950		- $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['html']);
	1476	+/**
	1477	+ * Get bot-specific Pinecone configuration
	1478	+ * Used in the knowledge retrieval functions
	1479	+ */
	1480	+// Also add debugging to your get_bot_pinecone_config function
	1481	+private function get_bot_pinecone_config($bot_id = 'default') {
	1482	+ error_log("MXCHAT DEBUG: get_bot_pinecone_config called for bot: " . $bot_id);
	1483	+
	1484	+ // If default bot or multi-bot add-on not active, use default Pinecone config
	1485	+ if ($bot_id === 'default' || !class_exists('MxChat_Multi_Bot_Manager')) {
	1486	+ error_log("MXCHAT DEBUG: Using default Pinecone config (no multi-bot or bot is 'default')");
	1487	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	1488	+ $config = array(
	1489	+ 'use_pinecone' => (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1'),
	1490	+ 'api_key' => $addon_options['mxchat_pinecone_api_key'] ?? '',
	1491	+ 'host' => $addon_options['mxchat_pinecone_host'] ?? '',
	1492	+ 'namespace' => $addon_options['mxchat_pinecone_namespace'] ?? ''
	1493	+ );
	1494	+ error_log("MXCHAT DEBUG: Default config - use_pinecone: " . ($config['use_pinecone'] ? 'true' : 'false'));
	1495	+ return $config;
951	1496	}
	1497	+
	1498	+ error_log("MXCHAT DEBUG: Calling filter 'mxchat_get_bot_pinecone_config' for bot: " . $bot_id);
	1499	+
	1500	+ // Hook for multi-bot add-on to provide bot-specific Pinecone config
	1501	+ $bot_pinecone_config = apply_filters('mxchat_get_bot_pinecone_config', array(), $bot_id);
	1502	+
	1503	+ if (!empty($bot_pinecone_config)) {
	1504	+ error_log("MXCHAT DEBUG: Got bot-specific config from filter");
	1505	+ error_log(" - use_pinecone: " . (isset($bot_pinecone_config['use_pinecone']) ? ($bot_pinecone_config['use_pinecone'] ? 'true' : 'false') : 'not set'));
	1506	+ error_log(" - host: " . ($bot_pinecone_config['host'] ?? 'not set'));
	1507	+ error_log(" - namespace: " . ($bot_pinecone_config['namespace'] ?? 'not set'));
	1508	+ } else {
	1509	+ error_log("MXCHAT DEBUG: Filter returned empty config!");
	1510	+ }
	1511	+
	1512	+ return is_array($bot_pinecone_config) ? $bot_pinecone_config : array();
	1513	+}
952	1514
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' => $session_id
958		- ];
959	1515
960		- wp_send_json($response_data);
961		- wp_die();
962		-}
963		-
964		-// New function to check intents and invoke the callback function
	1516	+// Updated function to check intents and invoke the callback function
965	1517	private function mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id) {
966	1518	global $wpdb;
967	1519	$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
968	1520
969		- //error_log('🔍 MXCHAT DEBUG: Intent Check Started ==================');
970		- //error_log("🔍 MXCHAT DEBUG: Message: '$message'");
971		- //error_log("🔍 MXCHAT DEBUG: Chat Mode: $chat_mode");
	1521	+ // NEW: Get the current bot_id
	1522	+ $current_bot_id = $this->get_current_bot_id($session_id);
972	1523
973	1524	// Generate the user embedding
974		- //error_log('🔄 MXCHAT DEBUG: Generating user embedding');
975	1525	$user_embedding = $this->mxchat_generate_embedding($message, $this->options['api_key']);
976		- if (!is_array($user_embedding)) {
977		- //error_log('❌ MXCHAT DEBUG: Failed to generate user embedding');
978		- return false;
	1526	+
	1527	+ // Check if embedding generation returned an error
	1528	+ if (is_array($user_embedding) && isset($user_embedding['error'])) {
	1529	+ $error_message = $user_embedding['error'];
	1530	+ $error_code = $user_embedding['error_code'] ?? 'embedding_error';
	1531	+
	1532	+ wp_send_json_error([
	1533	+ 'error_message' => $error_message,
	1534	+ 'error_code' => $error_code
	1535	+ ]);
	1536	+ wp_die();
979	1537	}
980		- //error_log('✅ MXCHAT DEBUG: User embedding generated successfully');
981	1538
	1539	+ // Check if embedding is valid
	1540	+ if (!is_array($user_embedding) || empty($user_embedding)) {
	1541	+ wp_send_json_error([
	1542	+ 'error_message' => esc_html__('Unable to process your message. The embedding service is not responding correctly.', 'mxchat'),
	1543	+ 'error_code' => 'invalid_embedding'
	1544	+ ]);
	1545	+ wp_die();
	1546	+ }
	1547	+
982	1548	// Fetch intents from the database
983	1549	$table_name = $wpdb->prefix . 'mxchat_intents';
984	1550	if ($chat_mode === 'agent') {
985		- //error_log('🔍 MXCHAT DEBUG: Agent mode - fetching only chatbot switch intent');
986	1551	$query = $wpdb->prepare(
987		- "SELECT * FROM $table_name WHERE callback_function = %s",
	1552	+ "SELECT * FROM $table_name WHERE callback_function = %s AND (enabled = 1 OR enabled IS NULL)",
988	1553	'mxchat_handle_switch_to_chatbot_intent'
989	1554	);
990	1555	$intents = $wpdb->get_results($query);
991	1556	} else {
992		- //error_log('🔍 MXCHAT DEBUG: AI mode - fetching all intents');
993		- $intents = $wpdb->get_results("SELECT * FROM $table_name");
	1557	+ $intents = $wpdb->get_results("SELECT * FROM $table_name WHERE enabled = 1 OR enabled IS NULL");
994	1558	}
995	1559
996		- //error_log('🔍 MXCHAT DEBUG: Found ' . count($intents) . ' intents to check');
997		-
998	1560	if (empty($intents)) {
999		- //error_log('❌ MXCHAT DEBUG: No intents found in database');
1000	1561	return false;
1001	1562	}
1002	1563
1003	1564	$highest_similarity = -INF;
		@@ -1002,12 +1563,23 @@
1002	1563
1003	1564	$highest_similarity = -INF;
1004	1565	$matched_intent = null;
1005	1566
1006		- //error_log('📊 MXCHAT DEBUG: Intent Similarity Scores ==================');
	1567	+ // Array to store action analysis for testing panel
	1568	+ $action_analysis = [];
	1569	+
1007	1570	foreach ($intents as $intent) {
1008		- //error_log("🔄 MXCHAT DEBUG: Checking intent: '{$intent->intent_label}' (callback: {$intent->callback_function})");
	1571	+ // Additional check for enabled state
	1572	+ $is_enabled = isset($intent->enabled) ? (bool)$intent->enabled : true;
	1573	+ if (!$is_enabled) {
	1574	+ continue;
	1575	+ }
1009	1576
	1577	+ // NEW: Check if this action is enabled for the current bot
	1578	+ if (!$this->is_action_enabled_for_bot($intent, $current_bot_id)) {
	1579	+ continue;
	1580	+ }
	1581	+
1010	1582	$intent_embedding_serialized = $intent->embedding_vector;
1011	1583	$intent_embedding = $intent_embedding_serialized
1012	1584	? unserialize($intent_embedding_serialized, ['allowed_classes' => false])
1013	1585	: null;
		@@ -1012,9 +1584,8 @@
1012	1584	? unserialize($intent_embedding_serialized, ['allowed_classes' => false])
1013	1585	: null;
1014	1586
1015	1587	if (!is_array($intent_embedding)) {
1016		- //error_log("❌ MXCHAT DEBUG: Invalid embedding for intent: {$intent->intent_label}");
1017	1588	continue;
1018	1589	}
1019	1590
1020	1591	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $intent_embedding);
		@@ -1019,38 +1590,61 @@
1019	1590
1020	1591	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $intent_embedding);
1021	1592	$intent_threshold = isset($intent->similarity_threshold) ? $intent->similarity_threshold : 0.85;
1022	1593
	1594	+ // Store action analysis data for testing panel
	1595	+ $action_analysis[] = [
	1596	+ 'intent_label' => $intent->intent_label,
	1597	+ 'callback_function' => $intent->callback_function,
	1598	+ 'similarity' => round($similarity, 4),
	1599	+ 'similarity_percentage' => round($similarity * 100, 2),
	1600	+ 'threshold' => $intent_threshold,
	1601	+ 'threshold_percentage' => round($intent_threshold * 100, 2),
	1602	+ 'above_threshold' => $similarity >= $intent_threshold,
	1603	+ 'triggered' => false // Will be updated below if this intent is triggered
	1604	+ ];
1023	1605
1024	1606	if ($similarity >= $intent_threshold && $similarity > $highest_similarity) {
1025	1607	$highest_similarity = $similarity;
1026	1608	$matched_intent = $intent;
1027		- //error_log("✅ MXCHAT DEBUG: New best match: '{$intent->intent_label}' with similarity {$similarity}");
1028	1609	}
1029	1610	}
1030		- //error_log('📊 MXCHAT DEBUG: End Intent Scores ==================');
1031	1611
	1612	+ // Mark the triggered action if any
1032	1613	if ($matched_intent) {
1033		- //error_log("🎯 MXCHAT DEBUG: Final Intent Match: '{$matched_intent->intent_label}'");
1034		- //error_log("🔄 MXCHAT DEBUG: Invoking callback: {$matched_intent->callback_function}");
1035		-
	1614	+ foreach ($action_analysis as &$action) {
	1615	+ if ($action['intent_label'] === $matched_intent->intent_label) {
	1616	+ $action['triggered'] = true;
	1617	+ break;
	1618	+ }
	1619	+ }
	1620	+ }
	1621	+
	1622	+ // Sort actions by similarity (highest first) and store for testing panel
	1623	+ usort($action_analysis, function($a, $b) {
	1624	+ return $b['similarity'] <=> $a['similarity'];
	1625	+ });
	1626	+
	1627	+ // Store action analysis for testing panel capture
	1628	+ $this->last_action_analysis = $action_analysis;
	1629	+
	1630	+ // Around line 715 in your mxchat_check_intent_and_invoke_callback function
	1631	+ if ($matched_intent) {
1036	1632	// If the callback is a method on this instance (core callback), call it directly
1037	1633	if (method_exists($this, $matched_intent->callback_function)) {
1038		- //error_log('🔍 MXCHAT DEBUG: Using direct method call for core callback');
1039	1634	$callback_result = call_user_func(
1040		- [$this, $matched_intent->callback_function],
1041		- $message,
1042		- $user_id,
1043		- $session_id,
1044		- $matched_intent,
1045		- $user_context // Add user context
1046		- );
	1635	+ [$this, $matched_intent->callback_function],
	1636	+ $message,
	1637	+ $user_id,
	1638	+ $session_id,
	1639	+ $matched_intent,
	1640	+ $user_context ?? null
	1641	+ );
1047	1642	} else {
1048		- //error_log('🔍 MXCHAT DEBUG: Using apply_filters for add-on callback');
1049	1643	// Otherwise, use apply_filters for add-on callbacks
1050	1644	$callback_result = apply_filters(
1051	1645	$matched_intent->callback_function,
1052		- false, // default return value
	1646	+ false,
1053	1647	$message,
1054	1648	$user_id,
1055	1649	$session_id,
1056	1650	$matched_intent
		@@ -1056,23 +1650,43 @@
1056	1650	$matched_intent
1057	1651	);
1058	1652	}
1059	1653
1060		- //error_log('🔍 MXCHAT DEBUG: Callback result type: ' . gettype($callback_result));
	1654	+ // Handle the callback result properly
1061	1655	if ($callback_result !== false) {
1062		- //error_log('✅ MXCHAT DEBUG: Intent handled successfully');
1063		- $this->fallbackResponse = $callback_result;
1064		- return true;
	1656	+ // If callback returned an array with chat_mode, use it directly
	1657	+ if (is_array($callback_result) && isset($callback_result['chat_mode'])) {
	1658	+ $this->fallbackResponse = $callback_result;
	1659	+ return $callback_result; // Return the full array
	1660	+ } else {
	1661	+ $this->fallbackResponse = $callback_result;
	1662	+ return true;
	1663	+ }
1065	1664	}
1066		- //error_log('❌ MXCHAT DEBUG: Callback returned false');
1067		- } else {
1068		- //error_log('❌ MXCHAT DEBUG: No matching intent found');
1069	1665	}
1070	1666
1071		- //error_log('🔍 MXCHAT DEBUG: Intent Check Completed ==================');
1072	1667	return false;
1073	1668	}
1074	1669
	1670	+/**
	1671	+ * Check if an action is enabled for a specific bot
	1672	+ */
	1673	+private function is_action_enabled_for_bot($intent, $bot_id) {
	1674	+ // If enabled_bots column doesn't exist or is null, assume it's enabled for all bots (backward compatibility)
	1675	+ if (!isset($intent->enabled_bots) || empty($intent->enabled_bots)) {
	1676	+ return true;
	1677	+ }
	1678	+
	1679	+ $enabled_bots = json_decode($intent->enabled_bots, true);
	1680	+
	1681	+ // If JSON decode fails or returns empty array, assume enabled for all (backward compatibility)
	1682	+ if (!is_array($enabled_bots) || empty($enabled_bots)) {
	1683	+ return true;
	1684	+ }
	1685	+
	1686	+ // Check if the current bot is in the enabled bots list
	1687	+ return in_array($bot_id, $enabled_bots);
	1688	+}
1075	1689
1076	1690	// Helper function to clear PDF and Word document related transients
1077	1691	private function clear_pdf_transients($session_id) {
1078	1692	// PDF transients
		@@ -1092,61 +1706,76 @@
1092	1706
1093	1707
1094	1708	//verified good
1095	1709	public function mxchat_handle_email_capture($message, $user_id, $session_id) {
1096		- // Log the message safely
1097		- //error_log("Triggered email capture intent for message: " . sanitize_text_field($message));
1098		-
1099		- // Initiate email capture flow
1100		- $response = esc_html($this->options['triggered_phrase_response'] ?? esc_html__("Would you like to join our mailing list? Please provide your email below.", 'mxchat'));
1101		-
	1710	+ // Get the user's original instruction/message
	1711	+ $user_instruction = esc_html($this->options['triggered_phrase_response'] ?? esc_html__("Please provide your email address.", 'mxchat'));
	1712	+
	1713	+ // Set instruction for AI - just pass along what the user wanted to say
	1714	+ $this->current_action_instruction = $user_instruction;
	1715	+
	1716	+ // Set the transient to track email capture flow
1102	1717	set_transient('mxchat_email_capture_' . $user_id, true, 5 * MINUTE_IN_SECONDS);
1103		- $this->mxchat_save_chat_message($session_id, 'bot', $response);
1104		-
1105		- // Respond to the user
1106		- wp_send_json(['message' => $response]);
1107		- wp_die();
	1718	+
	1719	+ // Return false to let the AI generate the response
	1720	+ return false;
1108	1721	}
1109	1722
1110		-//very good
1111	1723	public function mxchat_generate_image($message, $user_id, $session_id) {
	1724	+ //error_log("Starting image generation for message: " . $message);
	1725	+
1112	1726	// Prepare a prompt for DALL-E
1113	1727	$prompt = esc_html__('Create an image of ', 'mxchat') . sanitize_text_field($message);
1114		-
	1728	+
1115	1729	// Use the existing OpenAI API key
1116	1730	$openai_api_key = sanitize_text_field($this->options['api_key']);
1117		-
	1731	+
1118	1732	// Call DALL-E to generate an image
1119	1733	$image_response = $this->mxchat_generate_dalle_image($prompt, $openai_api_key);
1120		-
	1734	+
1121	1735	// Check if the response contains an image URL
1122	1736	if (isset($image_response['imageUrl'])) {
1123	1737	$image_url = esc_url_raw($image_response['imageUrl']);
1124		-
	1738	+
1125	1739	// Construct the HTML with a CSS class instead of inline styles
1126	1740	$response_html = '<img src="' . esc_url($image_url) . '" alt="' . esc_attr__('Generated Image', 'mxchat') . '" class="mxchat-generated-image" />';
	1741	+ $response_text = esc_html__('Here is the image I generated:', 'mxchat');
	1742	+
	1743	+ // Save the bot message with both text and HTML
	1744	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	1745	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_html);
	1746	+
	1747	+ // Set the fallback response for the chat handler
	1748	+ $this->fallbackResponse = [
	1749	+ 'text' => $response_text,
	1750	+ 'html' => $response_html,
	1751	+ 'images' => [$image_url]
	1752	+ ];
	1753	+
	1754	+ // For debugging/verification - Use json_encode to verify what's being set
	1755	+ //error_log("Image generation successful - fallbackResponse set: " . json_encode($this->fallbackResponse));
1127	1756
1128		- $response_text = esc_html__('Here is the image I generated:', 'mxchat');
	1757	+ // Return the response directly instead of relying on the property
	1758	+ return $this->fallbackResponse;
1129	1759	} else {
1130	1760	$response_text = esc_html__("I'm sorry, but I couldn't generate an image based on your request.", 'mxchat');
1131		- $response_html = '';
	1761	+
	1762	+ // Save the error message
	1763	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	1764	+
	1765	+ // Set the fallback response for the chat handler
	1766	+ $this->fallbackResponse = [
	1767	+ 'text' => $response_text,
	1768	+ 'html' => '',
	1769	+ 'images' => []
	1770	+ ];
	1771	+
1132	1772	//error_log("DALL-E image generation error: " . esc_html($image_response['error'] ?? 'Unknown error.'));
	1773	+ //error_log("Error fallbackResponse set: " . json_encode($this->fallbackResponse));
	1774	+
	1775	+ // Return the response directly instead of relying on the property
	1776	+ return $this->fallbackResponse;
1133	1777	}
1134		-
1135		- // Save both text and HTML responses
1136		- $this->mxchat_save_chat_message($session_id, 'bot', $response_text . "\n" . $response_html);
1137		-
1138		- // Prepare the response data
1139		- $response_data = [
1140		- 'message' => $response_text,
1141		- 'html' => $response_html,
1142		- 'image_url' => $image_url ?? '',
1143		- ];
1144		-
1145		- // Send the JSON response
1146		- header('Content-Type: application/json; charset=' . get_option('blog_charset'));
1147		- echo json_encode($response_data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
1148		- wp_die();
1149	1778	}
1150	1779	private function mxchat_generate_dalle_image($prompt, $api_key, $model = 'dall-e-3', $timeout = 60) {
1151	1780	$api_url = 'https://api.openai.com/v1/images/generations';
1152	1781	$body = json_encode([
		@@ -1185,44 +1814,43 @@
1185	1814
1186	1815	/**
1187	1816	* Handle web search requests.
1188	1817	*
1189		- * Sends the refined search query to the Brave Search API and displays neatly formatted,
1190		- * styled search results. Results are cached for performance.
	1818	+ * Sends the refined search query to the Brave Search API and uses the
	1819	+ * results to generate a conversational response with the AI model.
1191	1820	*
1192	1821	* @since 1.0.0
1193	1822	* @param string $message The user's search query.
1194	1823	* @param string $user_id The user identifier.
1195	1824	* @param string $session_id The current session ID.
1196		- * @return void
	1825	+ * @return array Response array containing text with embedded HTML links
1197	1826	*/
1198		-public function mxchat_handle_search_request( $message, $user_id, $session_id ) {
	1827	+public function mxchat_handle_search_request($message, $user_id, $session_id) {
1199	1828	// Step 1: Interpret and refine the search query
1200		- $refined_search_query = $this->mxchat_interpret_search_query( $message );
1201		-
1202		- if ( empty( $refined_search_query ) ) {
1203		- $this->fallbackResponse = array(
1204		- 'text' => esc_html__( 'I apologize, but could you please rephrase your search request?', 'mxchat' ),
	1829	+ $refined_search_query = $this->mxchat_interpret_search_query($message);
	1830	+ if (empty($refined_search_query)) {
	1831	+ return array(
	1832	+ 'text' => esc_html__('I apologize, but could you please rephrase your search request?', 'mxchat'),
	1833	+ 'html' => ''
1205	1834	);
1206		- return;
1207	1835	}
1208		-
	1836	+
1209	1837	// Retrieve and validate API settings
1210		- $options = get_option( 'mxchat_options' );
1211		- $api_key = isset( $options['brave_api_key'] ) ? sanitize_text_field( $options['brave_api_key'] ) : '';
1212		- $results_count = isset( $options['brave_results_count'] ) ? absint( $options['brave_results_count'] ) : 5;
1213		-
1214		- if ( empty( $api_key ) ) {
1215		- $this->fallbackResponse = array(
1216		- 'text' => esc_html__( 'Search functionality is temporarily unavailable. Please try again later.', 'mxchat' ),
	1838	+ $options = get_option('mxchat_options');
	1839	+ $api_key = isset($options['brave_api_key']) ? sanitize_text_field($options['brave_api_key']) : '';
	1840	+ $results_count = isset($options['brave_results_count']) ? absint($options['brave_results_count']) : 5;
	1841	+
	1842	+ if (empty($api_key)) {
	1843	+ return array(
	1844	+ 'text' => esc_html__('Search functionality is temporarily unavailable. Please try again later.', 'mxchat'),
	1845	+ 'html' => ''
1217	1846	);
1218		- return;
1219	1847	}
1220		-
	1848	+
1221	1849	// Build the API request URL
1222	1850	$api_url = add_query_arg(
1223	1851	array(
1224		- 'q' => rawurlencode( $refined_search_query ),
	1852	+ 'q' => rawurlencode($refined_search_query),
1225	1853	'count' => $results_count,
1226	1854	'text_decorations' => 'true',
1227	1855	'rich_data' => 'true',
1228	1856	),
		@@ -1227,14 +1855,14 @@
1227	1855	'rich_data' => 'true',
1228	1856	),
1229	1857	'https://api.search.brave.com/res/v1/web/search'
1230	1858	);
1231		-
	1859	+
1232	1860	// Attempt to retrieve cached results first
1233		- $transient_key = 'mxchat_search_' . md5( $refined_search_query );
1234		- $results = get_transient( $transient_key );
1235		-
1236		- if ( false === $results ) {
	1861	+ $transient_key = 'mxchat_search_' . md5($refined_search_query);
	1862	+ $results = get_transient($transient_key);
	1863	+
	1864	+ if (false === $results) {
1237	1865	// Fetch new results from the Brave Search API
1238	1866	$response = wp_remote_get(
1239	1867	$api_url,
1240	1868	array(
		@@ -1245,162 +1873,98 @@
1245	1873	),
1246	1874	'timeout' => 10,
1247	1875	)
1248	1876	);
1249		-
1250		- if ( is_wp_error( $response ) ) {
1251		- $this->fallbackResponse = array(
1252		- 'text' => esc_html__( 'I encountered an error while searching. Please try again.', 'mxchat' ),
	1877	+
	1878	+ if (is_wp_error($response)) {
	1879	+ return array(
	1880	+ 'text' => esc_html__('I encountered an error while searching. Please try again.', 'mxchat'),
	1881	+ 'html' => ''
1253	1882	);
1254		- return;
1255	1883	}
1256		-
1257		- $results = json_decode( wp_remote_retrieve_body( $response ), true );
1258		-
1259		- if ( json_last_error() !== JSON_ERROR_NONE ) {
1260		- $this->fallbackResponse = array(
1261		- 'text' => esc_html__( 'I received an invalid response from the search service.', 'mxchat' ),
	1884	+
	1885	+ $results = json_decode(wp_remote_retrieve_body($response), true);
	1886	+
	1887	+ if (json_last_error() !== JSON_ERROR_NONE) {
	1888	+ return array(
	1889	+ 'text' => esc_html__('I received an invalid response from the search service.', 'mxchat'),
	1890	+ 'html' => ''
1262	1891	);
1263		- return;
1264	1892	}
1265		-
	1893	+
1266	1894	// Cache results for one hour
1267		- set_transient( $transient_key, $results, HOUR_IN_SECONDS );
	1895	+ set_transient($transient_key, $results, HOUR_IN_SECONDS);
1268	1896	}
1269		-
1270		- // Process and display results
1271		- if ( ! empty( $results['web']['results'] ) && is_array( $results['web']['results'] ) ) {
1272		- $html = $this->generate_search_results_html( $results['web']['results'], $refined_search_query );
1273		-
1274		- // Only return HTML (no large text summary)
1275		- $this->fallbackResponse = array(
1276		- 'html' => $html,
	1897	+
	1898	+ // Process results
	1899	+ if (!empty($results['web']['results']) && is_array($results['web']['results'])) {
	1900	+ // Create a more straightforward summary with HTML links
	1901	+ $search_results_text = '';
	1902	+
	1903	+ // Add a simple intro
	1904	+ $search_results_text .= sprintf(
	1905	+ esc_html__("Here's what I found about '%s':", 'mxchat'),
	1906	+ esc_html($refined_search_query)
1277	1907	);
1278		-
	1908	+
	1909	+ // Add the top results with HTML links
	1910	+ foreach (array_slice($results['web']['results'], 0, 5) as $result) {
	1911	+ $title = isset($result['title']) ? wp_strip_all_tags($result['title']) : '';
	1912	+ $url = isset($result['url']) ? esc_url($result['url']) : '';
	1913	+ $description = isset($result['description']) ? wp_strip_all_tags($result['description']) : '';
	1914	+
	1915	+ // Add a line break after the intro
	1916	+ $search_results_text .= '<br><br>';
	1917	+
	1918	+ // Add title as a link
	1919	+ $search_results_text .= sprintf(
	1920	+ '<a href="%s" target="_blank" rel="noopener noreferrer">%s</a><br>',
	1921	+ $url,
	1922	+ $title
	1923	+ );
	1924	+
	1925	+ // Add a condensed description
	1926	+ $search_results_text .= sprintf("%s", $description);
	1927	+ }
	1928	+
1279	1929	// Save to chat history
1280		- $this->mxchat_save_chat_message( $session_id, 'bot', $html );
	1930	+ $this->mxchat_save_chat_message($session_id, 'bot', $search_results_text);
	1931	+
	1932	+ // Return the formatted text with embedded HTML links
	1933	+ return array(
	1934	+ 'text' => $search_results_text,
	1935	+ 'html' => ''
	1936	+ );
1281	1937	} else {
1282		- $this->fallbackResponse = array(
	1938	+ return array(
1283	1939	'text' => sprintf(
1284		- esc_html__( 'I couldn\'t find any relevant results for "%s". Would you like to try different search terms?', 'mxchat' ),
1285		- esc_html( $refined_search_query )
	1940	+ esc_html__('I searched for "%s" but couldn\'t find any relevant results. Would you like to try different search terms?', 'mxchat'),
	1941	+ esc_html($refined_search_query)
1286	1942	),
	1943	+ 'html' => ''
1287	1944	);
1288	1945	}
1289	1946	}
1290	1947
1291		-
	1948	+//very good
1292	1949	/**
1293		- * Format search results into a natural text summary.
	1950	+ * Handle image search requests from the chatbot
1294	1951	*
1295		- * @since 1.0.0
1296		- * @param array $results The search results from the API.
1297		- * @param string $query The original search query.
1298		- * @return string The text summary of the top results.
	1952	+ * @param string $message The user's search query
	1953	+ * @param int $user_id The user's ID
	1954	+ * @param string $session_id The chat session ID
	1955	+ * @return array Response array with text and HTML content
1299	1956	*/
1300		-private function format_search_results( $results, $query ) {
1301		- $summary = sprintf(
1302		- esc_html__( 'Here are the most relevant results for "%s":', 'mxchat' ),
1303		- esc_html( $query )
1304		- ) . "\n\n";
1305		-
1306		- $max_results = min( count( $results ), 3 );
1307		- for ( $i = 0; $i < $max_results; $i++ ) {
1308		- $result = $results[ $i ];
1309		- $title = isset( $result['title'] ) ? wp_strip_all_tags( $result['title'] ) : '';
1310		- $description = isset( $result['description'] ) ? wp_strip_all_tags( $result['description'] ) : '';
1311		-
1312		- // Append title and description to the summary
1313		- $summary .= sprintf(
1314		- "%s\n%s\n\n",
1315		- esc_html( $title ),
1316		- esc_html( $description )
1317		- );
1318		- }
1319		-
1320		- return $summary;
1321		-}
1322		-
1323		-/**
1324		- * Generate HTML markup for search results.
1325		- *
1326		- * @since 1.0.0
1327		- * @param array $results The search results from the API.
1328		- * @param string $query The user-refined query.
1329		- * @return string The HTML markup for displaying the results.
1330		- */
1331		-private function generate_search_results_html( $results, $query ) {
1332		- ob_start();
1333		- ?>
1334		- <div class="mxchat-search-results">
1335		- <?php foreach ( $results as $result ) :
1336		- $title = isset( $result['title'] ) ? wp_strip_all_tags( $result['title'] ) : '';
1337		- $url = isset( $result['url'] ) ? esc_url( $result['url'] ) : '#';
1338		- $description = isset( $result['description'] ) ? wp_strip_all_tags( $result['description'] ) : '';
1339		- $favicon = isset( $result['meta_url']['favicon'] ) ? esc_url( $result['meta_url']['favicon'] ) : '';
1340		- $thumbnail = isset( $result['thumbnail']['src'] ) ? esc_url( $result['thumbnail']['src'] ) : '';
1341		- $domain = parse_url( $url, PHP_URL_HOST );
1342		- ?>
1343		- <div class="mxchat-search-item">
1344		- <div class="mxchat-search-header">
1345		- <?php if ( $favicon ) : ?>
1346		- <img
1347		- src="<?php echo esc_url( $favicon ); ?>"
1348		- class="mxchat-site-icon"
1349		- alt="<?php echo esc_attr__( 'Site icon', 'mxchat' ); ?>"
1350		- width="16"
1351		- height="16"
1352		- />
1353		- <?php endif; ?>
1354		- <div class="mxchat-site-url"><?php echo esc_html( $domain ); ?></div>
1355		- </div>
1356		-
1357		- <div class="mxchat-search-content">
1358		- <h3 class="mxchat-search-title">
1359		- <a href="<?php echo esc_url( $url ); ?>"
1360		- target="_blank"
1361		- rel="noopener noreferrer"
1362		- >
1363		- <?php echo esc_html( $title ); ?>
1364		- </a>
1365		- </h3>
1366		-
1367		- <?php if ( $thumbnail ) : ?>
1368		- <div class="mxchat-search-thumbnail">
1369		- <img
1370		- src="<?php echo esc_url( $thumbnail ); ?>"
1371		- alt="<?php echo esc_attr__( 'Thumbnail image', 'mxchat' ); ?>"
1372		- loading="lazy"
1373		- />
1374		- </div>
1375		- <?php endif; ?>
1376		-
1377		- <div class="mxchat-search-description">
1378		- <?php echo esc_html( $description ); ?>
1379		- </div>
1380		- </div>
1381		- </div>
1382		- <?php endforeach; ?>
1383		- </div>
1384		- <?php
1385		- return ob_get_clean();
1386		-}
1387		-
1388		-
1389		-//very good
1390	1957	public function mxchat_handle_image_search_request($message, $user_id, $session_id) {
1391		-
1392		- // Step 1: Interpret the search query for better results
	1958	+ // Step 1: Interpret the search query using the user's selected AI model
1393	1959	$refined_search_query = $this->mxchat_interpret_search_query($message);
1394	1960
1395		-
1396	1961	// If no query was interpreted, return a fallback message
1397	1962	if (empty($refined_search_query)) {
1398		- $this->fallbackResponse = [
	1963	+ return array(
1399	1964	'text' => __("I'm sorry, I couldn't interpret your search query. Please specify what you'd like to see images of.", 'mxchat'),
1400	1965	'html' => "",
1401		- ];
1402		- return;
	1966	+ );
1403	1967	}
1404	1968
1405	1969	// Brave API URL
1406	1970	$api_url = 'https://api.search.brave.com/res/v1/images/search';
		@@ -1409,19 +1973,12 @@
1409	1973	$options = get_option('mxchat_options');
1410	1974	$api_key = isset($options['brave_api_key']) ? sanitize_text_field($options['brave_api_key']) : '';
1411	1975
1412	1976	if (empty($api_key)) {
1413		-/*
1414		- if (defined('WP_DEBUG') && WP_DEBUG) {
1415		- error_log("Brave API key is missing.");
1416		- }
1417		-*/
1418		-
1419		- $this->fallbackResponse = [
	1977	+ return array(
1420	1978	'text' => __("API key is not configured. Please set it in the Brave Search Settings.", 'mxchat'),
1421	1979	'html' => "",
1422		- ];
1423		- return;
	1980	+ );
1424	1981	}
1425	1982
1426	1983	$image_count = isset($options['brave_image_count']) ? intval($options['brave_image_count']) : 4;
1427	1984	$safe_search = isset($options['brave_safe_search']) ? sanitize_text_field($options['brave_safe_search']) : 'strict';
		@@ -1432,16 +1989,8 @@
1432	1989	'count' => $image_count,
1433	1990	'safesearch' => $safe_search,
1434	1991	], $api_url);
1435	1992
1436		-/*
1437		- // Log the final API URL for the search
1438		- if (defined('WP_DEBUG') && WP_DEBUG) {
1439		- error_log("Final API URL for Brave Image Search: " . esc_url_raw($api_url));
1440		- }
1441		-*/
1442		-
1443		-
1444	1993	// Implement caching
1445	1994	$transient_key = 'mxchat_image_search_' . md5($refined_search_query);
1446	1995	$body = get_transient($transient_key);
1447	1996
		@@ -1457,19 +2006,12 @@
1457	2006
1458	2007	$response = wp_remote_get($api_url, $args);
1459	2008
1460	2009	if (is_wp_error($response)) {
1461		-/*
1462		- if (defined('WP_DEBUG') && WP_DEBUG) {
1463		- error_log("Brave Image API request failed: " . $response->get_error_message());
1464		- }
1465		-*/
1466		-
1467		- $this->fallbackResponse = [
	2010	+ return array(
1468	2011	'text' => __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'),
1469	2012	'html' => "",
1470		- ];
1471		- return;
	2013	+ );
1472	2014	}
1473	2015
1474	2016	$body = json_decode(wp_remote_retrieve_body($response), true);
1475	2017	set_transient($transient_key, $body, HOUR_IN_SECONDS);
		@@ -1477,10 +2019,16 @@
1477	2019
1478	2020	// Process the API response
1479	2021	if (isset($body['results']) && is_array($body['results']) && count($body['results']) > 0) {
1480	2022	$html_output = '<div class="mxchat-image-gallery">';
1481		-
1482		- foreach ($body['results'] as $image) {
	2023	+
	2024	+ // Get the configured image count (1-6)
	2025	+ $display_count = isset($options['brave_image_count']) ? intval($options['brave_image_count']) : 4;
	2026	+ $display_count = min($display_count, count($body['results'])); // Make sure we don't exceed available images
	2027	+
	2028	+ // Use only the requested number of images
	2029	+ for ($i = 0; $i < $display_count; $i++) {
	2030	+ $image = $body['results'][$i];
1483	2031	$image_url = isset($image['url']) ? esc_url($image['url']) : '';
1484	2032	$thumbnail_url = isset($image['thumbnail']['src']) ? esc_url($image['thumbnail']['src']) : '';
1485	2033	$title = isset($image['title']) ? esc_html($image['title']) : esc_html__('Image', 'mxchat');
1486	2034
		@@ -1494,47 +2042,95 @@
1494	2042	}
1495	2043
1496	2044	$html_output .= '</div>';
1497	2045
1498		- $this->fallbackResponse = [
1499		- 'text' => "",
1500		- 'html' => $html_output,
1501		- ];
1502		-
1503		- // Save response in chat history
	2046	+ // Create response text
	2047	+ $response_text = sprintf(__("Here are some images of %s:", 'mxchat'), $refined_search_query);
	2048	+
	2049	+ // Save both response text and HTML to chat history
	2050	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
1504	2051	$this->mxchat_save_chat_message($session_id, 'bot', $html_output);
1505	2052
	2053	+ // Return the combined response
	2054	+ return array(
	2055	+ 'text' => $response_text,
	2056	+ 'html' => $html_output,
	2057	+ );
1506	2058	} else {
1507		-/*
1508		- if (defined('WP_DEBUG') && WP_DEBUG) {
1509		- error_log("Brave Image API response did not contain expected data structure or was empty: " . print_r($body, true));
1510		- }
1511		-*/
1512		-
1513		- $this->fallbackResponse = [
1514		- 'text' => __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'),
	2059	+ $response_text = __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat');
	2060	+
	2061	+ // Save the error message to chat history
	2062	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	2063	+
	2064	+ return array(
	2065	+ 'text' => $response_text,
1515	2066	'html' => "",
1516		- ];
	2067	+ );
1517	2068	}
1518	2069	}
	2070	+
	2071	+/**
	2072	+ * Interpret the search query using the user's selected AI model
	2073	+ *
	2074	+ * @param string $user_query The original query from the user
	2075	+ * @return string The refined search query
	2076	+ */
1519	2077	public function mxchat_interpret_search_query($user_query) {
1520	2078	$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');
1521		-
1522		- // Retrieve OpenAI API key using 'api_key' as the option key
1523		- $api_key = isset($this->options['api_key']) ? sanitize_text_field($this->options['api_key']) : sanitize_text_field(get_option('mxchat_options')['api_key']);
1524		-
1525		- /*
1526		- // Log the API key check, without exposing the key
1527		- if (defined('WP_DEBUG') && WP_DEBUG) {
1528		- error_log("Retrieved OpenAI API Key: " . ($api_key ? "Present" : "Missing"));
	2079	+
	2080	+ // Get options and determine the selected model
	2081	+ $options = $this->options ?? get_option('mxchat_options');
	2082	+ $selected_model = isset($options['model']) ? $options['model'] : 'gpt-4o';
	2083	+
	2084	+ // Extract model prefix to determine the provider
	2085	+ $model_parts = explode('-', $selected_model);
	2086	+ $provider = strtolower($model_parts[0]);
	2087	+
	2088	+ // Determine which API key to use based on the provider
	2089	+ switch ($provider) {
	2090	+ case 'gemini':
	2091	+ $api_key = isset($options['gemini_api_key']) ? sanitize_text_field($options['gemini_api_key']) : '';
	2092	+ if (empty($api_key)) {
	2093	+ return sanitize_text_field($user_query); // Default to original query if API key missing
	2094	+ }
	2095	+ return $this->interpret_query_with_gemini($user_query, $system_prompt, $api_key, $selected_model);
	2096	+
	2097	+ case 'claude':
	2098	+ $api_key = isset($options['claude_api_key']) ? sanitize_text_field($options['claude_api_key']) : '';
	2099	+ if (empty($api_key)) {
	2100	+ return sanitize_text_field($user_query);
	2101	+ }
	2102	+ return $this->interpret_query_with_claude($user_query, $system_prompt, $api_key, $selected_model);
	2103	+
	2104	+ case 'grok':
	2105	+ $api_key = isset($options['xai_api_key']) ? sanitize_text_field($options['xai_api_key']) : '';
	2106	+ if (empty($api_key)) {
	2107	+ return sanitize_text_field($user_query);
	2108	+ }
	2109	+ return $this->interpret_query_with_xai($user_query, $system_prompt, $api_key, $selected_model);
	2110	+
	2111	+ case 'deepseek':
	2112	+ $api_key = isset($options['deepseek_api_key']) ? sanitize_text_field($options['deepseek_api_key']) : '';
	2113	+ if (empty($api_key)) {
	2114	+ return sanitize_text_field($user_query);
	2115	+ }
	2116	+ return $this->interpret_query_with_deepseek($user_query, $system_prompt, $api_key, $selected_model);
	2117	+
	2118	+ case 'gpt':
	2119	+ default:
	2120	+ // Default to OpenAI for custom models or unrecognized prefixes
	2121	+ $api_key = isset($options['api_key']) ? sanitize_text_field($options['api_key']) : '';
	2122	+ if (empty($api_key)) {
	2123	+ return sanitize_text_field($user_query);
	2124	+ }
	2125	+ return $this->interpret_query_with_openai($user_query, $system_prompt, $api_key, $selected_model);
1529	2126	}
1530		- */
	2127	+}
1531	2128
1532		- if (empty($api_key)) {
1533		- //error_log("OpenAI API key is missing.");
1534		- return sanitize_text_field($user_query); // Default to the original query if API key is missing
1535		- }
1536		-
	2129	+/**
	2130	+ * Interpret query using OpenAI models
	2131	+ */
	2132	+private function interpret_query_with_openai($user_query, $system_prompt, $api_key, $model = 'gpt-4o') {
1537	2133	$url = 'https://api.openai.com/v1/chat/completions';
1538	2134	$args = [
1539	2135	'headers' => [
1540	2136	'Authorization' => 'Bearer ' . $api_key,
		@@ -1540,9 +2136,9 @@
1540	2136	'Authorization' => 'Bearer ' . $api_key,
1541	2137	'Content-Type' => 'application/json',
1542	2138	],
1543	2139	'body' => wp_json_encode([
1544		- 'model' => 'gpt-3.5-turbo',
	2140	+ 'model' => $model,
1545	2141	'messages' => [
1546	2142	['role' => 'system', 'content' => $system_prompt],
1547	2143	['role' => 'user', 'content' => sanitize_text_field($user_query)],
1548	2144	],
		@@ -1549,166 +2145,178 @@
1549	2145	'temperature' => 0.2,
1550	2146	'max_tokens' => 20,
1551	2147	]),
1552	2148	'method' => 'POST',
	2149	+ 'timeout' => 15,
1553	2150	];
1554	2151
1555	2152	$response = wp_remote_post($url, $args);
1556		-
1557	2153	if (is_wp_error($response)) {
1558		- //error_log("OpenAI request failed: " . $response->get_error_message());
1559		- return sanitize_text_field($user_query); // Fallback to the original query if there's an error
	2154	+ return sanitize_text_field($user_query);
1560	2155	}
1561	2156
1562	2157	$body = json_decode(wp_remote_retrieve_body($response), true);
	2158	+ return isset($body['choices'][0]['message']['content'])
	2159	+ ? sanitize_text_field(trim($body['choices'][0]['message']['content']))
	2160	+ : sanitize_text_field($user_query);
	2161	+}
1563	2162
1564		- // Check for a valid response and sanitize output
1565		- if (isset($body['choices'][0]['message']['content'])) {
1566		- $interpreted_query = sanitize_text_field(trim($body['choices'][0]['message']['content']));
	2163	+/**
	2164	+ * Interpret query using Claude models
	2165	+ */
	2166	+private function interpret_query_with_claude($user_query, $system_prompt, $api_key, $model) {
	2167	+ $url = 'https://api.anthropic.com/v1/messages';
	2168	+
	2169	+ $args = [
	2170	+ 'headers' => [
	2171	+ 'Content-Type' => 'application/json',
	2172	+ 'x-api-key' => $api_key,
	2173	+ 'anthropic-version' => '2023-06-01',
	2174	+ ],
	2175	+ 'body' => wp_json_encode([
	2176	+ 'model' => $model,
	2177	+ 'system' => $system_prompt,
	2178	+ 'messages' => [
	2179	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)]
	2180	+ ],
	2181	+ 'max_tokens' => 20,
	2182	+ 'temperature' => 0.2,
	2183	+ ]),
	2184	+ 'method' => 'POST',
	2185	+ 'timeout' => 15,
	2186	+ ];
1567	2187
1568		- /*
1569		- // Log the interpreted query for debugging
1570		- if (defined('WP_DEBUG') && WP_DEBUG) {
1571		- error_log("Interpreted search query: " . $interpreted_query);
1572		- }
1573		- */
	2188	+ $response = wp_remote_post($url, $args);
	2189	+ if (is_wp_error($response)) {
	2190	+ return sanitize_text_field($user_query);
	2191	+ }
1574	2192
1575		- return $interpreted_query;
1576		- } else {
1577		- //error_log("Unexpected API response format: " . print_r($body, true));
1578		- return sanitize_text_field($user_query);
	2193	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2194	+ if (!empty($body['content'][0]['text'])) {
	2195	+ return sanitize_text_field(trim($body['content'][0]['text']));
1579	2196	}
	2197	+
	2198	+ return sanitize_text_field($user_query);
1580	2199	}
1581	2200
1582		-
1583		-
1584		-private function find_product_in_message($message) {
1585		- global $wpdb;
1586		-
1587		- // Get embedding for the search query
1588		- $query_embedding = $this->mxchat_generate_embedding($message, $this->options['api_key']);
1589		- if (!is_array($query_embedding)) {
1590		- return null;
	2201	+/**
	2202	+ * Interpret query using Gemini models
	2203	+ */
	2204	+private function interpret_query_with_gemini($user_query, $system_prompt, $api_key, $model) {
	2205	+ // Strip "gemini-" prefix for the API
	2206	+ $model_version = str_replace('gemini-', '', $model);
	2207	+
	2208	+ $url = "https://generativelanguage.googleapis.com/v1/models/$model_version:generateContent?key=" . urlencode($api_key);
	2209	+
	2210	+ $args = [
	2211	+ 'headers' => [
	2212	+ 'Content-Type' => 'application/json',
	2213	+ ],
	2214	+ 'body' => wp_json_encode([
	2215	+ 'contents' => [
	2216	+ [
	2217	+ 'role' => 'user',
	2218	+ 'parts' => [
	2219	+ ['text' => $system_prompt . "\n\nQuery: " . sanitize_text_field($user_query)]
	2220	+ ]
	2221	+ ]
	2222	+ ],
	2223	+ 'generationConfig' => [
	2224	+ 'temperature' => 0.2,
	2225	+ 'maxOutputTokens' => 20,
	2226	+ ],
	2227	+ ]),
	2228	+ 'method' => 'POST',
	2229	+ 'timeout' => 15,
	2230	+ ];
	2231	+
	2232	+ $response = wp_remote_post($url, $args);
	2233	+ if (is_wp_error($response)) {
	2234	+ return sanitize_text_field($user_query);
1591	2235	}
1592		-
1593		- // Get relevant content as string
1594		- $relevant_content = $this->mxchat_find_relevant_products($query_embedding);
1595		- if (empty($relevant_content)) {
1596		- // Return null to indicate no results and set fallback response
1597		- $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');
1598		- return null;
	2236	+
	2237	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2238	+ if (!empty($body['candidates'][0]['content']['parts'][0]['text'])) {
	2239	+ return sanitize_text_field(trim($body['candidates'][0]['content']['parts'][0]['text']));
1599	2240	}
	2241	+
	2242	+ return sanitize_text_field($user_query);
	2243	+}
1600	2244
1601		- // Extract product URLs from the content
1602		- preg_match_all('/https?:\/\/[^\s<>"\']+?\/product\/[^\s<>"\']+/', $relevant_content, $matches);
1603		-
1604		- if (!empty($matches[0])) {
1605		- // Try each URL found
1606		- foreach ($matches[0] as $url) {
1607		- // Clean the URL
1608		- $url = rtrim($url, '/."\']');
1609		-
1610		- // Get the product slug
1611		- $path = parse_url($url, PHP_URL_PATH);
1612		- $slug = basename(rtrim($path, '/'));
1613		-
1614		- // Find product by slug
1615		- $args = array(
1616		- 'post_type' => 'product',
1617		- 'post_status' => 'publish',
1618		- 'name' => $slug,
1619		- 'posts_per_page' => 1
1620		- );
1621		-
1622		- $products = get_posts($args);
1623		-
1624		- if (!empty($products)) {
1625		- $product_id = $products[0]->ID;
1626		- $product = wc_get_product($product_id);
1627		-
1628		- if ($product && $product->is_purchasable()) {
1629		- return $product_id;
1630		- }
1631		- }
1632		- }
	2245	+/**
	2246	+ * Interpret query using X.AI (Grok) models
	2247	+ */
	2248	+private function interpret_query_with_xai($user_query, $system_prompt, $api_key, $model) {
	2249	+ $url = 'https://api.xai.com/v1/chat/completions';
	2250	+
	2251	+ $args = [
	2252	+ 'headers' => [
	2253	+ 'Content-Type' => 'application/json',
	2254	+ 'Authorization' => 'Bearer ' . $api_key,
	2255	+ ],
	2256	+ 'body' => wp_json_encode([
	2257	+ 'model' => $model,
	2258	+ 'messages' => [
	2259	+ ['role' => 'system', 'content' => $system_prompt],
	2260	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)],
	2261	+ ],
	2262	+ 'temperature' => 0.2,
	2263	+ 'max_tokens' => 20,
	2264	+ ]),
	2265	+ 'method' => 'POST',
	2266	+ 'timeout' => 15,
	2267	+ ];
	2268	+
	2269	+ $response = wp_remote_post($url, $args);
	2270	+ if (is_wp_error($response)) {
	2271	+ return sanitize_text_field($user_query);
1633	2272	}
1634		-
1635		- // Fallback: Look for product names in the content
1636		- $products = wc_get_products([
1637		- 'status' => 'publish',
1638		- 'limit' => -1,
1639		- 'return' => 'all'
1640		- ]);
1641		-
1642		- foreach ($products as $product) {
1643		- $name = $product->get_name();
1644		- if (stripos($relevant_content, $name) !== false) {
1645		- if ($product->is_purchasable()) {
1646		- return $product->get_id();
1647		- }
1648		- }
	2273	+
	2274	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2275	+ if (isset($body['choices'][0]['message']['content'])) {
	2276	+ return sanitize_text_field(trim($body['choices'][0]['message']['content']));
1649	2277	}
1650		-
1651		- // If no product is found after all checks, set the fallback response
1652		- $this->fallbackResponse['text'] = esc_html__("I couldn't find any relevant products based on your query. Try to be more specific", 'mxchat');
1653		- return null;
	2278	+
	2279	+ return sanitize_text_field($user_query);
1654	2280	}
1655	2281
1656		-// New method to handle intent responses
1657		-private function generate_intent_response($context_content, $session_id) {
1658		- // Convert the context array to a structured string for the AI
1659		- $context_string = $this->format_intent_context($context_content);
1660		-
1661		- // Generate AI response using the context
1662		- $response = $this->mxchat_generate_response(
1663		- $context_string,
1664		- $this->options['api_key'],
1665		- $this->options['xai_api_key'],
1666		- $this->options['claude_api_key'],
1667		- $this->options['deepseek_api_key'],
1668		- $this->mxchat_fetch_conversation_history_for_ai($session_id)
1669		- );
1670		-
1671		- $this->fallbackResponse['text'] = $response;
1672		- return true;
1673		-}
1674		-// Helper method to format intent context
1675		-private function format_intent_context($context) {
1676		- $context_string = esc_html__("INTENT CONTEXT:\n", 'mxchat');
1677		-
1678		- switch ($context['intent']) {
1679		- case 'add_to_cart':
1680		- if ($context['status'] === 'success') {
1681		- $context_string .= esc_html__("Action: Successfully added product to cart\n", 'mxchat');
1682		- $context_string .= sprintf(esc_html__("Product: %s\n", 'mxchat'), $context['product']['name']);
1683		- $context_string .= esc_html__("Available actions: ", 'mxchat') . implode(', ', $context['available_actions']) . "\n";
1684		- $context_string .= sprintf(esc_html__("Cart URL: %s\n", 'mxchat'), $context['cart_url']);
1685		- $context_string .= esc_html__("\nPlease inform the user of the successful addition and their available options.", 'mxchat');
1686		- } else {
1687		- $context_string .= esc_html__("Action: Failed to add product to cart\n", 'mxchat');
1688		- $context_string .= sprintf(esc_html__("Reason: %s\n", 'mxchat'), $context['reason']);
1689		- switch ($context['reason']) {
1690		- case 'woocommerce_not_available':
1691		- $context_string .= esc_html__("\nPlease inform the user that shopping features are not available.", 'mxchat');
1692		- break;
1693		- case 'no_product_context':
1694		- $context_string .= esc_html__("\nPlease ask the user to specify which product they want to add.", 'mxchat');
1695		- break;
1696		- case 'product_not_found':
1697		- $context_string .= esc_html__("\nPlease inform the user that the product couldn't be found and ask them to try again.", 'mxchat');
1698		- break;
1699		- case 'add_to_cart_failed':
1700		- $context_string .= esc_html__("\nPlease apologize to the user and suggest they try again or ask for assistance.", 'mxchat');
1701		- break;
1702		- }
1703		- }
1704		- break;
	2282	+/**
	2283	+ * Interpret query using DeepSeek models
	2284	+ */
	2285	+private function interpret_query_with_deepseek($user_query, $system_prompt, $api_key, $model) {
	2286	+ $url = 'https://api.deepseek.com/v1/chat/completions';
	2287	+
	2288	+ $args = [
	2289	+ 'headers' => [
	2290	+ 'Content-Type' => 'application/json',
	2291	+ 'Authorization' => 'Bearer ' . $api_key,
	2292	+ ],
	2293	+ 'body' => wp_json_encode([
	2294	+ 'model' => $model,
	2295	+ 'messages' => [
	2296	+ ['role' => 'system', 'content' => $system_prompt],
	2297	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)],
	2298	+ ],
	2299	+ 'temperature' => 0.2,
	2300	+ 'max_tokens' => 20,
	2301	+ ]),
	2302	+ 'method' => 'POST',
	2303	+ 'timeout' => 15,
	2304	+ ];
	2305	+
	2306	+ $response = wp_remote_post($url, $args);
	2307	+ if (is_wp_error($response)) {
	2308	+ return sanitize_text_field($user_query);
1705	2309	}
1706		-
1707		- return $context_string;
	2310	+
	2311	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2312	+ if (isset($body['choices'][0]['message']['content'])) {
	2313	+ return sanitize_text_field(trim($body['choices'][0]['message']['content']));
	2314	+ }
	2315	+
	2316	+ return sanitize_text_field($user_query);
1708	2317	}
1709	2318
1710		-
1711	2319	//very good
1712	2320	private function add_email_to_loops($email) {
1713	2321	// Sanitize the email
1714	2322	$email = sanitize_email($email);
		@@ -1792,95 +2400,169 @@
1792	2400
1793	2401	// Default to proceeding with conversation if no specific PDF action is needed
1794	2402	$this->fallbackResponse['text'] = '';
1795	2403	}
	2404	+
	2405	+
	2406	+/**
	2407	+ * Enhanced fetch_and_split_pdf_pages with detailed debugging
	2408	+ */
1796	2409	private function fetch_and_split_pdf_pages($pdf_source, $max_pages) {
	2410	+ // CLEAR DEBUG LOGGING
	2411	+ //error_log("=== MXCHAT PDF PROCESSING START ===");
	2412	+ //error_log("PDF Source: " . $pdf_source);
	2413	+ //error_log("Max Pages: " . $max_pages);
	2414	+ //error_log("Session ID: " . ($this->session_id ?? 'not set'));
	2415	+
	2416	+ // Check if Advanced Claude Toolbar is available and enabled
	2417	+ $claude_available = function_exists('mxchatACT_is_advanced_claude_enabled');
	2418	+ $claude_enabled = $claude_available ? mxchatACT_is_advanced_claude_enabled() : false;
	2419	+
	2420	+ //error_log("Claude Function Available: " . ($claude_available ? 'YES' : 'NO'));
	2421	+ //error_log("Claude Enabled: " . ($claude_enabled ? 'YES' : 'NO'));
	2422	+
	2423	+ if ($claude_available && $claude_enabled) {
	2424	+ //error_log("🚀 ATTEMPTING CLAUDE PROCESSING...");
	2425	+
	2426	+ // Attempt Claude processing first
	2427	+ $claude_result = apply_filters('mxchat_process_pdf_advanced', false, $pdf_source, $max_pages, $this->session_id);
	2428	+
	2429	+ if ($claude_result !== false && is_array($claude_result) && !empty($claude_result)) {
	2430	+ //error_log("✅ CLAUDE PROCESSING SUCCESSFUL!");
	2431	+ //error_log("Claude returned " . count($claude_result) . " processed pages");
	2432	+
	2433	+ // Log first page details for verification
	2434	+ if (isset($claude_result[0])) {
	2435	+ $first_page = $claude_result[0];
	2436	+ //error_log("First page enhanced: " . (isset($first_page['enhanced']) && $first_page['enhanced'] ? 'YES' : 'NO'));
	2437	+ //error_log("Processing method: " . ($first_page['processing_method'] ?? 'not set'));
	2438	+ //error_log("First page text preview: " . substr($first_page['text'] ?? '', 0, 100) . "...");
	2439	+ }
	2440	+
	2441	+ //error_log("=== MXCHAT PDF PROCESSING END (CLAUDE) ===");
	2442	+ return $claude_result;
	2443	+ } else {
	2444	+ //error_log("❌ CLAUDE PROCESSING FAILED or returned invalid result");
	2445	+ //error_log("Claude result type: " . gettype($claude_result));
	2446	+ if (is_array($claude_result)) {
	2447	+ //error_log("Claude result count: " . count($claude_result));
	2448	+ }
	2449	+ }
	2450	+ }
	2451	+
	2452	+ // Fallback to basic processing
	2453	+ //error_log("🔄 FALLING BACK TO BASIC PDF PROCESSING...");
	2454	+
1797	2455	$upload_dir = wp_upload_dir();
1798	2456	$temp_file = null;
1799		-
	2457	+
1800	2458	try {
1801		- // Handle URL vs local file
	2459	+ // Your existing basic processing code here...
	2460	+ // (I'll include the key parts with debug logging)
	2461	+
1802	2462	if (filter_var($pdf_source, FILTER_VALIDATE_URL)) {
1803		- // Validate and download the file from URL
1804		- $temp_file = wp_tempnam($pdf_source); // Safe temporary file name
1805		- $response = wp_remote_get($pdf_source, ['timeout' => 60]);
1806		-
	2463	+ //error_log("Downloading PDF from URL...");
	2464	+ $temp_file = wp_tempnam($pdf_source);
	2465	+ $response = wp_remote_get($pdf_source, [
	2466	+ 'timeout' => 60,
	2467	+ 'headers' => ['User-Agent' => 'MxChat PDF Processor']
	2468	+ ]);
	2469	+
1807	2470	if (is_wp_error($response) || wp_remote_retrieve_response_code($response) !== 200) {
1808		- //error_log(esc_html__("Failed to download PDF. Error: ", 'mxchat') . print_r($response, true));
	2471	+ $error_message = is_wp_error($response) ? $response->get_error_message() : 'HTTP ' . wp_remote_retrieve_response_code($response);
	2472	+ //error_log("❌ BASIC PROCESSING: Failed to download PDF: " . $error_message);
1809	2473	return false;
1810	2474	}
1811		-
	2475	+
1812	2476	file_put_contents($temp_file, wp_remote_retrieve_body($response));
1813		-
1814		- // Validate that the downloaded file is a PDF
1815		- $mime_type = mime_content_type($temp_file);
1816		- if ($mime_type !== 'application/pdf') {
1817		- //error_log(esc_html__("Invalid MIME type detected for PDF: ", 'mxchat') . $mime_type);
1818		- unlink($temp_file);
1819		- return false;
1820		- }
	2477	+ //error_log("✅ PDF downloaded successfully");
1821	2478	} else {
1822		- // For local files, use the provided path directly
1823	2479	$temp_file = $pdf_source;
	2480	+ //error_log("Using local PDF file: " . $temp_file);
1824	2481	}
1825		-
1826		- // Parse and process the PDF
	2482	+
	2483	+ // Parse PDF
	2484	+ //error_log("Parsing PDF with basic parser...");
1827	2485	$parser = new \Smalot\PdfParser\Parser();
1828	2486	$pdf = $parser->parseFile($temp_file);
1829	2487	$pages = $pdf->getPages();
1830		-
	2488	+
	2489	+ //error_log("PDF contains " . count($pages) . " pages");
	2490	+
1831	2491	if (count($pages) > $max_pages) {
1832		- //error_log(esc_html__("PDF exceeds the maximum allowed pages: ", 'mxchat') . count($pages));
1833		- if (filter_var($pdf_source, FILTER_VALIDATE_URL)) {
	2492	+ //error_log("❌ BASIC PROCESSING: Too many pages (" . count($pages) . " > " . $max_pages . ")");
	2493	+ if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file) {
1834	2494	unlink($temp_file);
1835	2495	}
1836		- return esc_html__('too_many_pages', 'mxchat');
	2496	+ return 'too_many_pages';
1837	2497	}
1838		-
	2498	+
1839	2499	$embeddings = [];
	2500	+ $processed_pages = 0;
	2501	+
1840	2502	foreach ($pages as $page_number => $page) {
1841	2503	$text = $page->getText();
1842		-
1843		- // Ensure text is non-empty before generating embeddings
	2504	+
1844	2505	if (empty(trim($text))) {
1845		- //error_log(esc_html__("Skipping empty page: ", 'mxchat') . ($page_number + 1));
	2506	+ //error_log("Skipping empty page: " . ($page_number + 1));
1846	2507	continue;
1847	2508	}
1848		-
	2509	+
	2510	+ $text = $this->mxchat_clean_text($text);
	2511	+
1849	2512	$embedding = $this->mxchat_generate_embedding(
1850		- esc_html__("Page ", 'mxchat') . ($page_number + 1) . ": " . $text,
	2513	+ __("Page ", 'mxchat') . ($page_number + 1) . ": " . $text,
1851	2514	$this->options['api_key']
1852	2515	);
1853		-
	2516	+
1854	2517	if ($embedding) {
1855	2518	$embeddings[] = [
1856	2519	'page_number' => $page_number + 1,
1857	2520	'embedding' => $embedding,
1858	2521	'text' => $text,
	2522	+ 'enhanced' => false, // CLEARLY MARK AS BASIC
	2523	+ 'processing_method' => 'basic_pdf_parser'
1859	2524	];
1860		- } else {
1861		- //error_log(esc_html__("Failed to generate embedding for page ", 'mxchat') . ($page_number + 1));
	2525	+ $processed_pages++;
1862	2526	}
1863	2527	}
1864		-
1865		- // Clean up downloaded file if it was from URL
1866		- if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file) {
	2528	+
	2529	+ //error_log("✅ BASIC PROCESSING COMPLETE: " . $processed_pages . " pages processed");
	2530	+
	2531	+ // Cleanup
	2532	+ if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file && file_exists($temp_file)) {
1867	2533	unlink($temp_file);
1868	2534	}
1869		-
	2535	+
	2536	+ //error_log("=== MXCHAT PDF PROCESSING END (BASIC) ===");
1870	2537	return $embeddings;
1871		-
	2538	+
1872	2539	} catch (\Exception $e) {
1873		- // error_log(esc_html__("Error parsing or processing PDF: ", 'mxchat') . $e->getMessage());
1874		-
1875		- // Cleanup in case of exception
	2540	+ //error_log("❌ BASIC PROCESSING ERROR: " . $e->getMessage());
1876	2541	if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file && file_exists($temp_file)) {
1877	2542	unlink($temp_file);
1878	2543	}
1879		-
	2544	+ //error_log("=== MXCHAT PDF PROCESSING END (ERROR) ===");
1880	2545	return false;
1881	2546	}
1882	2547	}
	2548	+
	2549	+private function mxchat_clean_text($text) {
	2550	+ // Remove excessive whitespace
	2551	+ $text = preg_replace('/\s+/', ' ', $text);
	2552	+
	2553	+ // Remove control characters except newlines and tabs
	2554	+ $text = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/', '', $text);
	2555	+
	2556	+ // Normalize line endings
	2557	+ $text = str_replace(["\r\n", "\r"], "\n", $text);
	2558	+
	2559	+ // Trim whitespace
	2560	+ $text = trim($text);
	2561	+
	2562	+ return $text;
	2563	+}
	2564	+
1883	2565	private function find_relevant_pdf_pages($query_embedding, $embeddings) {
1884	2566	//error_log(esc_html__("find_relevant_pdf_pages called.", 'mxchat'));
1885	2567
1886	2568	$most_relevant = null;
		@@ -2038,10 +2720,8 @@
2038	2720	'new_messages' => array_values($new_messages)
2039	2721	]);
2040	2722	wp_die();
2041	2723	}
2042		-
2043		-
2044	2724	public function mxchat_live_agent_handover($message, $user_id, $session_id) {
2045	2725	// First check if live agents are available
2046	2726	$live_agent_available = $this->options['live_agent_status'] ?? 'off';
2047	2727	if ($live_agent_available !== 'on') {
		@@ -2060,18 +2740,101 @@
2060	2740	]);
2061	2741	wp_die();
2062	2742	}
2063	2743
2064		- $slack_webhook_url = $this->options['live_agent_webhook_url'] ?? '';
2065		- if (empty($slack_webhook_url)) {
	2744	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	2745	+
	2746	+ if (empty($slack_bot_token)) {
2066	2747	return false;
2067	2748	}
2068	2749
2069		- // Get recent chat history (last 5 messages)
	2750	+ // Check if channel already exists for this session
	2751	+ $channel_id = get_option("mxchat_channel_{$session_id}", '');
	2752	+
	2753	+ if (empty($channel_id)) {
	2754	+ // Create new channel with session ID as name
	2755	+ $channel_name = $this->generate_channel_name($session_id);
	2756	+
	2757	+ //error_log("Attempting to create channel: $channel_name");
	2758	+
	2759	+ $response = wp_remote_post('https://slack.com/api/conversations.create', [
	2760	+ 'headers' => [
	2761	+ 'Content-Type' => 'application/json',
	2762	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	2763	+ ],
	2764	+ 'body' => json_encode([
	2765	+ 'name' => $channel_name,
	2766	+ 'is_private' => false // Public channel - anyone in workspace can join
	2767	+ ])
	2768	+ ]);
	2769	+
	2770	+ if (!is_wp_error($response)) {
	2771	+ $response_body = wp_remote_retrieve_body($response);
	2772	+ $response_data = json_decode($response_body, true);
	2773	+
	2774	+ //error_log("Channel creation response: " . $response_body);
	2775	+
	2776	+ if (isset($response_data['ok']) && $response_data['ok']) {
	2777	+ $channel_id = $response_data['channel']['id'];
	2778	+ $actual_channel_name = $response_data['channel']['name'] ?? 'unknown';
	2779	+ //error_log("Channel created successfully: ID=$channel_id, Name=$actual_channel_name");
	2780	+ update_option("mxchat_channel_{$session_id}", $channel_id);
	2781	+
	2782	+ // Auto-invite agents to the channel
	2783	+ $agent_user_ids = $this->options['live_agent_user_ids'] ?? '';
	2784	+
	2785	+ if (!empty($agent_user_ids)) {
	2786	+ // Parse user IDs (one per line)
	2787	+ $user_ids = array_filter(array_map('trim', explode("\n", $agent_user_ids)));
	2788	+
	2789	+ foreach ($user_ids as $user_id_to_invite) {
	2790	+ //error_log("Inviting user to channel: $user_id_to_invite");
	2791	+
	2792	+ $invite_response = wp_remote_post('https://slack.com/api/conversations.invite', [
	2793	+ 'headers' => [
	2794	+ 'Content-Type' => 'application/json',
	2795	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	2796	+ ],
	2797	+ 'body' => json_encode([
	2798	+ 'channel' => $channel_id,
	2799	+ 'users' => $user_id_to_invite
	2800	+ ])
	2801	+ ]);
	2802	+
	2803	+ if (!is_wp_error($invite_response)) {
	2804	+ $invite_body = wp_remote_retrieve_body($invite_response);
	2805	+ $invite_data = json_decode($invite_body, true);
	2806	+ //error_log("Invite response for $user_id_to_invite: " . $invite_body);
	2807	+
	2808	+ if (isset($invite_data['ok']) && $invite_data['ok']) {
	2809	+ //error_log("Successfully invited user $user_id_to_invite to channel");
	2810	+ } else {
	2811	+ //error_log("Failed to invite user $user_id_to_invite: " . ($invite_data['error'] ?? 'Unknown error'));
	2812	+ }
	2813	+ } else {
	2814	+ //error_log("WP Error inviting user $user_id_to_invite: " . $invite_response->get_error_message());
	2815	+ }
	2816	+ }
	2817	+ } else {
	2818	+ //error_log("No agent user IDs configured for auto-invite");
	2819	+ }
	2820	+ } else {
	2821	+ //error_log("Channel creation failed: " . ($response_data['error'] ?? 'Unknown error'));
	2822	+ }
	2823	+ } else {
	2824	+ //error_log("WP Error creating channel: " . $response->get_error_message());
	2825	+ }
	2826	+
	2827	+ if (empty($channel_id)) {
	2828	+ return false; // Failed to create channel
	2829	+ }
	2830	+ }
	2831	+
	2832	+ // Get recent chat history
2070	2833	$history = get_option("mxchat_history_{$session_id}", []);
2071		- $recent_history = array_slice($history, -5); // Get last 5 messages
	2834	+ $recent_history = array_slice($history, -5);
2072	2835
2073		- // Format conversation history
	2836	+ // Format conversation context
2074	2837	$conversation_context = "";
2075	2838	if (!empty($recent_history)) {
2076	2839	$conversation_context = "*Recent Conversation:*\n";
2077	2840	foreach ($recent_history as $hist_message) {
		@@ -2082,83 +2845,32 @@
2082	2845	}
2083	2846
2084	2847	update_option("mxchat_mode_{$session_id}", 'agent');
2085	2848
2086		- $webhook_data = [
2087		- 'blocks' => [
2088		- [
2089		- 'type' => 'header',
2090		- 'text' => [
2091		- 'type' => 'plain_text',
2092		- 'text' => '🔔 New Live Agent Request',
2093		- 'emoji' => true
2094		- ]
2095		- ],
2096		- [
2097		- 'type' => 'section',
2098		- 'fields' => [
2099		- [
2100		- 'type' => 'mrkdwn',
2101		- 'text' => sprintf('*User ID:*\n`%s`', $user_id)
2102		- ],
2103		- [
2104		- 'type' => 'mrkdwn',
2105		- 'text' => sprintf('*Session ID:*\n`%s`', $session_id)
2106		- ]
2107		- ]
2108		- ]
2109		- ]
2110		- ];
2111		-
2112		- // Add conversation history if exists
	2849	+ // Send message to channel
	2850	+ $channel_message = "🔔 *New Live Agent Request*\n\n";
	2851	+ $channel_message .= "*Session ID:* `{$session_id}`\n";
	2852	+ $channel_message .= "*User ID:* `{$user_id}`\n\n";
	2853	+
2113	2854	if (!empty($conversation_context)) {
2114		- $webhook_data['blocks'][] = [
2115		- 'type' => 'section',
2116		- 'text' => [
2117		- 'type' => 'mrkdwn',
2118		- 'text' => $conversation_context
2119		- ]
2120		- ];
	2855	+ $channel_message .= $conversation_context;
2121	2856	}
	2857	+
	2858	+ $channel_message .= "*Current Message:*\n{$message}\n\n";
	2859	+ $channel_message .= "_Reply directly in this channel - all messages will go to the user_";
2122	2860
2123		- // Add the current message
2124		- $webhook_data['blocks'][] = [
2125		- 'type' => 'section',
2126		- 'text' => [
2127		- 'type' => 'mrkdwn',
2128		- 'text' => sprintf('*Current Message:*\n%s', $message)
2129		- ]
2130		- ];
2131		-
2132		- // Add the reply button
2133		- $webhook_data['blocks'][] = [
2134		- 'type' => 'actions',
2135		- 'elements' => [
2136		- [
2137		- 'type' => 'button',
2138		- 'text' => [
2139		- 'type' => 'plain_text',
2140		- 'text' => '✍️ Reply',
2141		- 'emoji' => true
2142		- ],
2143		- 'value' => $session_id,
2144		- 'action_id' => 'reply_to_user',
2145		- 'style' => 'primary'
2146		- ]
2147		- ]
2148		- ];
2149		-
2150		- $response = wp_remote_post($slack_webhook_url, [
2151		- 'body' => json_encode($webhook_data),
	2861	+ wp_remote_post('https://slack.com/api/chat.postMessage', [
2152	2862	'headers' => [
2153	2863	'Content-Type' => 'application/json',
	2864	+ 'Authorization' => 'Bearer ' . $slack_bot_token
2154	2865	],
	2866	+ 'body' => json_encode([
	2867	+ 'channel' => $channel_id,
	2868	+ 'text' => $channel_message,
	2869	+ 'mrkdwn' => true
	2870	+ ])
2155	2871	]);
2156	2872
2157		- if (is_wp_error($response)) {
2158		- return false;
2159		- }
2160		-
2161	2873	$success_message = $this->options['live_agent_notification_message'] ?? 'Live agent has been notified.';
2162	2874	$this->mxchat_save_chat_message($session_id, 'bot', $success_message);
2163	2875
2164	2876	$this->fallbackResponse = [
		@@ -2177,79 +2889,145 @@
2177	2889	'fallbackResponse' => $this->fallbackResponse
2178	2890	]);
2179	2891	wp_die();
2180	2892	}
	2893	+
	2894	+private function generate_channel_name($session_id) {
	2895	+ $email = null;
	2896	+ $name = null;
	2897	+
	2898	+ // 1. First priority: Check if user is logged in and get their info
	2899	+ if (is_user_logged_in()) {
	2900	+ $current_user = wp_get_current_user();
	2901	+ if (!empty($current_user->user_email)) {
	2902	+ $email = $current_user->user_email;
	2903	+ //error_log("[DEBUG] Using logged-in user email for channel: {$email}");
	2904	+ }
	2905	+ if (!empty($current_user->display_name)) {
	2906	+ $name = $current_user->display_name;
	2907	+ //error_log("[DEBUG] Using logged-in user name for channel: {$name}");
	2908	+ }
	2909	+ }
	2910	+
	2911	+ // 2. Second priority: Check for saved email/name from "require email to chat" option
	2912	+ if (empty($email)) {
	2913	+ $email_option_key = "mxchat_email_{$session_id}";
	2914	+ $saved_email = get_option($email_option_key);
	2915	+ if (!empty($saved_email)) {
	2916	+ $email = $saved_email;
	2917	+ //error_log("[DEBUG] Using saved email from session for channel: {$email}");
	2918	+ }
	2919	+ }
	2920	+
	2921	+ if (empty($name)) {
	2922	+ $name_option_key = "mxchat_name_{$session_id}";
	2923	+ $saved_name = get_option($name_option_key);
	2924	+ if (!empty($saved_name)) {
	2925	+ $name = $saved_name;
	2926	+ //error_log("[DEBUG] Using saved name from session for channel: {$name}");
	2927	+ }
	2928	+ }
	2929	+
	2930	+ // 3. Third priority: Check existing chat transcript for email/name
	2931	+ if (empty($email) || empty($name)) {
	2932	+ global $wpdb;
	2933	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
	2934	+ $existing_data = $wpdb->get_row($wpdb->prepare(
	2935	+ "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",
	2936	+ $session_id
	2937	+ ));
	2938	+
	2939	+ if ($existing_data) {
	2940	+ if (empty($email) && !empty($existing_data->user_email)) {
	2941	+ $email = $existing_data->user_email;
	2942	+ //error_log("[DEBUG] Using email from chat transcript for channel: {$email}");
	2943	+ }
	2944	+ if (empty($name) && !empty($existing_data->user_name)) {
	2945	+ $name = $existing_data->user_name;
	2946	+ //error_log("[DEBUG] Using name from chat transcript for channel: {$name}");
	2947	+ }
	2948	+ }
	2949	+ }
	2950	+
	2951	+ // 4. Generate channel name based on priority: Name > Email > Session ID
	2952	+ $channel_name = '';
	2953	+
	2954	+ if (!empty($name)) {
	2955	+ // Convert name to valid Slack channel name
	2956	+ $base_name = strtolower(trim($name));
	2957	+ // Replace spaces and invalid characters
	2958	+ $base_name = preg_replace('/[^a-z0-9\s]/', '', $base_name);
	2959	+ $base_name = preg_replace('/\s+/', '-', $base_name);
	2960	+ $base_name = trim($base_name, '-');
	2961	+
	2962	+ // Get last 4 characters of session ID for uniqueness
	2963	+ $session_suffix = substr($session_id, -4);
	2964	+ $channel_name = 'chat-' . $base_name . '-' . strtolower($session_suffix);
	2965	+
	2966	+ // Slack channel names have a 21 character limit
	2967	+ if (strlen($channel_name) > 21) {
	2968	+ // Calculate available space for name (21 - 'chat-' - '-' - session_suffix)
	2969	+ $available_space = 21 - 5 - 1 - strlen($session_suffix); // 'chat-' = 5, '-' = 1
	2970	+ $truncated_name = substr($base_name, 0, $available_space);
	2971	+ $truncated_name = rtrim($truncated_name, '-'); // Remove trailing hyphen
	2972	+ $channel_name = 'chat-' . $truncated_name . '-' . strtolower($session_suffix);
	2973	+ }
	2974	+
	2975	+ //error_log("[DEBUG] Using name for channel: {$channel_name} (from name: {$name})");
	2976	+
	2977	+ } elseif (!empty($email)) {
	2978	+ // Convert email to valid Slack channel name (your existing logic)
	2979	+ $channel_name = 'chat-' . strtolower(str_replace(['@', '.', '+', '_'], ['-at-', '-', '-plus-', '-'], $email));
	2980	+ // Remove any remaining invalid characters
	2981	+ $channel_name = preg_replace('/[^a-z0-9\-]/', '', $channel_name);
	2982	+ // Ensure it doesn't end with a hyphen
	2983	+ $channel_name = rtrim($channel_name, '-');
	2984	+ // Slack channel names have a 21 character limit, so truncate if needed
	2985	+ if (strlen($channel_name) > 21) {
	2986	+ $channel_name = substr($channel_name, 0, 21);
	2987	+ $channel_name = rtrim($channel_name, '-'); // Remove trailing hyphen if truncation created one
	2988	+ }
	2989	+
	2990	+ //error_log("[DEBUG] Using email for channel: {$channel_name} (from email: {$email})");
	2991	+
	2992	+ } else {
	2993	+ // Fallback to session ID if no name or email found
	2994	+ $channel_name = 'chat-' . strtolower(preg_replace('/[^a-zA-Z0-9]/', '', $session_id));
	2995	+ //error_log("[DEBUG] No name or email found, using session ID for channel: {$channel_name}");
	2996	+ }
	2997	+
	2998	+ // Final validation - ensure channel name meets Slack requirements
	2999	+ if (strlen($channel_name) > 21) {
	3000	+ $channel_name = substr($channel_name, 0, 21);
	3001	+ $channel_name = rtrim($channel_name, '-');
	3002	+ }
	3003	+
	3004	+ //error_log("[DEBUG] Generated channel name: {$channel_name}");
	3005	+ return $channel_name;
	3006	+}
2181	3007	public function mxchat_send_user_message_to_agent($message, $user_id, $session_id) {
2182		- $slack_webhook_url = $this->options['live_agent_webhook_url'] ?? '';
	3008	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	3009	+ $channel_id = get_option("mxchat_channel_{$session_id}", '');
2183	3010
2184		- if (empty($slack_webhook_url)) {
2185		- //error_log(esc_html__('Slack Webhook URL is not configured.', 'mxchat'));
	3011	+ if (empty($slack_bot_token) || empty($channel_id)) {
2186	3012	return false;
2187	3013	}
2188	3014
2189		- $webhook_data = [
2190		- 'blocks' => [
2191		- [
2192		- 'type' => 'header',
2193		- 'text' => [
2194		- 'type' => 'plain_text',
2195		- 'text' => esc_html__('📩 New Chat Message', 'mxchat'),
2196		- 'emoji' => true
2197		- ]
2198		- ],
2199		- [
2200		- 'type' => 'section',
2201		- 'fields' => [
2202		- [
2203		- 'type' => 'mrkdwn',
2204		- 'text' => sprintf(esc_html__('*User ID:*\n`%s`', 'mxchat'), $user_id)
2205		- ],
2206		- [
2207		- 'type' => 'mrkdwn',
2208		- 'text' => sprintf(esc_html__('*Session ID:*\n`%s`', 'mxchat'), $session_id)
2209		- ]
2210		- ]
2211		- ],
2212		- [
2213		- 'type' => 'section',
2214		- 'text' => [
2215		- 'type' => 'mrkdwn',
2216		- 'text' => sprintf(esc_html__('*Message:*\n%s', 'mxchat'), $message)
2217		- ]
2218		- ],
2219		- [
2220		- 'type' => 'actions',
2221		- 'elements' => [
2222		- [
2223		- 'type' => 'button',
2224		- 'text' => [
2225		- 'type' => 'plain_text',
2226		- 'text' => esc_html__('✍️ Reply', 'mxchat'),
2227		- 'emoji' => true
2228		- ],
2229		- 'value' => $session_id,
2230		- 'action_id' => 'reply_to_user',
2231		- 'style' => 'primary'
2232		- ]
2233		- ]
2234		- ]
2235		- ]
2236		- ];
	3015	+ $user_message = "💬 *User:* {$message}";
2237	3016
2238		- $response = wp_remote_post($slack_webhook_url, [
2239		- 'body' => json_encode($webhook_data),
	3017	+ $response = wp_remote_post('https://slack.com/api/chat.postMessage', [
2240	3018	'headers' => [
2241	3019	'Content-Type' => 'application/json',
	3020	+ 'Authorization' => 'Bearer ' . $slack_bot_token
2242	3021	],
	3022	+ 'body' => json_encode([
	3023	+ 'channel' => $channel_id,
	3024	+ 'text' => $user_message,
	3025	+ 'mrkdwn' => true
	3026	+ ])
2243	3027	]);
2244	3028
2245		- if (is_wp_error($response)) {
2246		- //error_log(esc_html__('Error sending message to Slack: ', 'mxchat') . $response->get_error_message());
2247		- return false;
2248		- }
2249		-
2250		- //error_log(esc_html__('Message sent to Slack successfully.', 'mxchat'));
2251		- return true;
	3029	+ return !is_wp_error($response);
2252	3030	}
2253	3031	public function handle_slack_interaction(WP_REST_Request $request) {
2254	3032	//error_log('Received Slack interaction');
2255	3033
		@@ -2337,17 +3115,16 @@
2337	3115
2338	3116	// Default acknowledgment
2339	3117	return new WP_REST_Response(['ok' => true]);
2340	3118	}
2341		-
2342	3119	public function mxchat_handle_agent_response(WP_REST_Request $request) {
2343	3120	//error_log('Received agent response request');
2344	3121	//error_log('Request data: ' . print_r($request->get_params(), true));
2345		- // error_log('Raw body: ' . file_get_contents('php://input'));
	3122	+ // //error_log('Raw body: ' . file_get_contents('php://input'));
2346	3123
2347	3124	// Get the data from Slack's slash command format
2348	3125	$command_text = $request->get_param('text');
2349		- // error_log('Command text: ' . $command_text);
	3126	+ // //error_log('Command text: ' . $command_text);
2350	3127
2351	3128	if (empty($command_text)) {
2352	3129	//error_log(esc_html__('Agent response error: No command text received', 'mxchat'));
2353	3130	return new WP_REST_Response([
		@@ -2372,9 +3149,9 @@
2372	3149	// Save the message
2373	3150	$message_id = $this->mxchat_save_chat_message($session_id, 'agent', $message);
2374	3151
2375	3152	if (!$message_id) {
2376		- // error_log('Failed to save agent message');
	3153	+ // //error_log('Failed to save agent message');
2377	3154	return new WP_REST_Response([
2378	3155	'error' => esc_html__('Failed to save message', 'mxchat')
2379	3156	], 500);
2380	3157	}
		@@ -2384,29 +3161,141 @@
2384	3161	'response_type' => 'in_channel',
2385	3162	'text' => esc_html__("Message sent successfully to session $session_id", 'mxchat')
2386	3163	], 200);
2387	3164	}
2388		-
2389		-
2390	3165	public function mxchat_handle_switch_to_chatbot_intent($message, $user_id, $session_id) {
2391		- //error_log(esc_html__("Switching back to chatbot mode via intent.", 'mxchat'));
2392		-
2393		- // Just update mode to AI
	3166	+ // Update mode to AI
2394	3167	update_option("mxchat_mode_{$session_id}", 'ai');
	3168	+
	3169	+ // Clear any existing PDF context to start fresh
	3170	+ $this->clear_pdf_transients($session_id);
	3171	+
	3172	+ // Set the response with explicit chat_mode
	3173	+ $this->fallbackResponse = [
	3174	+ 'text' => esc_html__('You are now chatting with the AI chatbot.', 'mxchat'),
	3175	+ 'html' => '',
	3176	+ 'images' => [],
	3177	+ 'chat_mode' => 'ai' // Ensure this is set
	3178	+ ];
	3179	+
	3180	+ // Return the complete response array instead of just true
	3181	+ return $this->fallbackResponse;
	3182	+}
2395	3183
2396		- // Initialize states
2397		- $this->fallbackResponse = ['text' => '', 'html' => '', 'images' => []];
2398		- $this->productCardHtml = '';
2399		-
2400		- // Set the response message
2401		- $this->fallbackResponse['text'] = esc_html__('You are now chatting with the AI chatbot.', 'mxchat');
2402		-
2403		- return true; // Intent was handled
	3184	+public function handle_slack_messages(WP_REST_Request $request) {
	3185	+ // Log the incoming request for debugging
	3186	+ //error_log('Slack events request received: ' . $request->get_body());
	3187	+
	3188	+ $body = $request->get_body();
	3189	+ $data = json_decode($body, true);
	3190	+
	3191	+ // Handle Slack URL verification
	3192	+ if (isset($data['type']) && $data['type'] === 'url_verification') {
	3193	+ //error_log('Slack URL verification challenge: ' . $data['challenge']);
	3194	+ return new WP_REST_Response($data['challenge'], 200, ['Content-Type' => 'text/plain']);
	3195	+ }
	3196	+
	3197	+ // IMPORTANT: Handle Slack's event deduplication
	3198	+ if (isset($data['event_id'])) {
	3199	+ $event_id = $data['event_id'];
	3200	+ $processed_events = get_transient('mxchat_slack_events') ?: [];
	3201	+
	3202	+ // Check if we've already processed this event
	3203	+ if (in_array($event_id, $processed_events)) {
	3204	+ //error_log("Duplicate event detected: $event_id");
	3205	+ return new WP_REST_Response(['ok' => true]);
	3206	+ }
	3207	+
	3208	+ // Add this event to processed list
	3209	+ $processed_events[] = $event_id;
	3210	+ // Keep only last 100 events to prevent memory issues
	3211	+ if (count($processed_events) > 100) {
	3212	+ $processed_events = array_slice($processed_events, -100);
	3213	+ }
	3214	+ // Store for 1 hour
	3215	+ set_transient('mxchat_slack_events', $processed_events, HOUR_IN_SECONDS);
	3216	+ }
	3217	+
	3218	+ // Handle message events
	3219	+ if (isset($data['event']) && $data['event']['type'] === 'message') {
	3220	+ $event = $data['event'];
	3221	+
	3222	+ // Skip bot messages and messages with subtypes (like bot_message)
	3223	+ if (isset($event['bot_id']) || isset($event['subtype'])) {
	3224	+ return new WP_REST_Response(['ok' => true]);
	3225	+ }
	3226	+
	3227	+ // Additional check: Skip if this is a threaded reply to our confirmation
	3228	+ if (isset($event['thread_ts']) && $event['thread_ts'] !== $event['ts']) {
	3229	+ return new WP_REST_Response(['ok' => true]);
	3230	+ }
	3231	+
	3232	+ $channel_id = $event['channel'];
	3233	+ $message_text = $event['text'] ?? '';
	3234	+ $message_ts = $event['ts'] ?? '';
	3235	+
	3236	+ // Find session ID by looking for matching channel
	3237	+ global $wpdb;
	3238	+ $session_option = $wpdb->get_var(
	3239	+ $wpdb->prepare(
	3240	+ "SELECT option_name FROM {$wpdb->options}
	3241	+ WHERE option_name LIKE 'mxchat_channel_%'
	3242	+ AND option_value = %s",
	3243	+ $channel_id
	3244	+ )
	3245	+ );
	3246	+
	3247	+ if ($session_option) {
	3248	+ $session_id = str_replace('mxchat_channel_', '', $session_option);
	3249	+
	3250	+ // Create a unique key for this specific message
	3251	+ $message_key = md5($session_id . $message_ts . $message_text);
	3252	+ $processed_messages = get_transient('mxchat_processed_messages_' . $session_id) ?: [];
	3253	+
	3254	+ // Check if we've already processed this exact message
	3255	+ if (in_array($message_key, $processed_messages)) {
	3256	+ //error_log("Duplicate message detected for session $session_id");
	3257	+ return new WP_REST_Response(['ok' => true]);
	3258	+ }
	3259	+
	3260	+ // Add to processed messages
	3261	+ $processed_messages[] = $message_key;
	3262	+ // Keep only last 50 messages per session
	3263	+ if (count($processed_messages) > 50) {
	3264	+ $processed_messages = array_slice($processed_messages, -50);
	3265	+ }
	3266	+ set_transient('mxchat_processed_messages_' . $session_id, $processed_messages, HOUR_IN_SECONDS);
	3267	+
	3268	+ // Save the agent message
	3269	+ $this->mxchat_save_chat_message($session_id, 'agent', $message_text);
	3270	+
	3271	+ // Send confirmation back to Slack (only once)
	3272	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	3273	+ if (!empty($slack_bot_token)) {
	3274	+ // Use a transient to prevent duplicate confirmations
	3275	+ $confirm_key = 'mxchat_confirm_' . $message_key;
	3276	+ if (!get_transient($confirm_key)) {
	3277	+ wp_remote_post('https://slack.com/api/chat.postMessage', [
	3278	+ 'headers' => [
	3279	+ 'Content-Type' => 'application/json',
	3280	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	3281	+ ],
	3282	+ 'body' => json_encode([
	3283	+ 'channel' => $channel_id,
	3284	+ 'text' => "✅ _Message sent to user_",
	3285	+ 'thread_ts' => $event['ts'] // Reply in thread
	3286	+ ])
	3287	+ ]);
	3288	+ // Set transient to prevent duplicate confirmations
	3289	+ set_transient($confirm_key, true, 300); // 5 minutes
	3290	+ }
	3291	+ }
	3292	+ }
	3293	+ }
	3294	+
	3295	+ return new WP_REST_Response(['ok' => true]);
2404	3296	}
2405	3297
2406		-
2407		-
2408		-
2409	3298	// For the word upload handler
2410	3299	public function mxchat_handle_word_upload() {
2411	3300	// Delegate to word handler
2412	3301	$this->word_handler->mxchat_handle_word_upload();
		@@ -2429,21 +3318,102 @@
2429	3318	return MxChat_User::mxchat_get_user_identifier();
2430	3319	}
2431	3320
2432	3321	private function mxchat_generate_embedding($text, $api_key) {
2433		- $endpoint = 'https://api.openai.com/v1/embeddings';
2434		-
2435		- $body = wp_json_encode([
2436		- 'input' => $text,
2437		- 'model' => 'text-embedding-ada-002'
2438		- ]);
2439		-
	3322	+ try {
	3323	+ // Get options and selected model
	3324	+ $options = get_option('mxchat_options');
	3325	+ $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
	3326	+
	3327	+ // Determine endpoint and API key based on model
	3328	+ if (strpos($selected_model, 'voyage') === 0) {
	3329	+ $endpoint = 'https://api.voyageai.com/v1/embeddings';
	3330	+ $api_key = $options['voyage_api_key'] ?? '';
	3331	+
	3332	+ // Check if Voyage API key is missing
	3333	+ if (empty($api_key)) {
	3334	+ //error_log('Voyage API key is missing');
	3335	+ return [
	3336	+ 'error' => esc_html__('Voyage AI API key is not configured', 'mxchat'),
	3337	+ 'error_code' => 'missing_voyage_api_key'
	3338	+ ];
	3339	+ }
	3340	+ } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
	3341	+ $endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . $selected_model . ':embedContent';
	3342	+ $api_key = $options['gemini_api_key'] ?? '';
	3343	+
	3344	+ // Check if Gemini API key is missing
	3345	+ if (empty($api_key)) {
	3346	+ //error_log('Gemini API key is missing');
	3347	+ return [
	3348	+ 'error' => esc_html__('Google Gemini API key is not configured', 'mxchat'),
	3349	+ 'error_code' => 'missing_gemini_api_key'
	3350	+ ];
	3351	+ }
	3352	+ } else {
	3353	+ $endpoint = 'https://api.openai.com/v1/embeddings';
	3354	+ // Use the passed API key for OpenAI
	3355	+
	3356	+ // Check if OpenAI API key is missing
	3357	+ if (empty($api_key)) {
	3358	+ //error_log('OpenAI API key is missing');
	3359	+ return [
	3360	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	3361	+ 'error_code' => 'missing_openai_api_key'
	3362	+ ];
	3363	+ }
	3364	+ }
	3365	+
	3366	+ // Check if text is empty
	3367	+ if (empty($text)) {
	3368	+ //error_log('Empty text provided for embedding generation');
	3369	+ return [
	3370	+ 'error' => esc_html__('No text provided for embedding generation', 'mxchat'),
	3371	+ 'error_code' => 'empty_embedding_text'
	3372	+ ];
	3373	+ }
	3374	+
	3375	+ // Prepare request body based on provider
	3376	+ if (strpos($selected_model, 'gemini-embedding') === 0) {
	3377	+ // Gemini API format
	3378	+ $request_body = [
	3379	+ 'model' => 'models/' . $selected_model,
	3380	+ 'content' => [
	3381	+ 'parts' => [
	3382	+ ['text' => $text]
	3383	+ ]
	3384	+ ],
	3385	+ 'outputDimensionality' => 1536
	3386	+ ];
	3387	+
	3388	+ // Prepare headers for Gemini (API key as query parameter)
	3389	+ $endpoint .= '?key=' . $api_key;
	3390	+ $headers = [
	3391	+ 'Content-Type' => 'application/json'
	3392	+ ];
	3393	+ } else {
	3394	+ // OpenAI/Voyage API format
	3395	+ $request_body = [
	3396	+ 'input' => $text,
	3397	+ 'model' => $selected_model
	3398	+ ];
	3399	+
	3400	+ // Add output_dimension for voyage-3-large
	3401	+ if ($selected_model === 'voyage-3-large') {
	3402	+ $request_body['output_dimension'] = 2048;
	3403	+ }
	3404	+
	3405	+ // Prepare headers for OpenAI/Voyage
	3406	+ $headers = [
	3407	+ 'Content-Type' => 'application/json',
	3408	+ 'Authorization' => 'Bearer ' . $api_key
	3409	+ ];
	3410	+ }
	3411	+
	3412	+ // Prepare request arguments
2440	3413	$args = [
2441		- 'body' => $body,
2442		- 'headers' => [
2443		- 'Content-Type' => 'application/json',
2444		- 'Authorization' => 'Bearer ' . $api_key,
2445		- ],
	3414	+ 'body' => wp_json_encode($request_body),
	3415	+ 'headers' => $headers,
2446	3416	'timeout' => 60,
2447	3417	'redirection' => 5,
2448	3418	'blocking' => true,
2449	3419	'httpversion' => '1.0',
		@@ -2448,63 +3418,177 @@
2448	3418	'blocking' => true,
2449	3419	'httpversion' => '1.0',
2450	3420	'sslverify' => true,
2451	3421	];
2452		-
	3422	+
	3423	+ // Make the request
2453	3424	$response = wp_remote_post($endpoint, $args);
2454		-
	3425	+
	3426	+ // Handle WordPress errors
2455	3427	if (is_wp_error($response)) {
2456		- return null;
	3428	+ $error_message = $response->get_error_message();
	3429	+ //error_log('Embedding Generation Error: ' . $error_message);
	3430	+ return [
	3431	+ 'error' => esc_html__('Connection error when generating embeddings: ', 'mxchat') . esc_html($error_message),
	3432	+ 'error_code' => 'embedding_connection_error'
	3433	+ ];
2457	3434	}
2458		-
	3435	+
	3436	+ // Check HTTP status code
	3437	+ $status_code = wp_remote_retrieve_response_code($response);
	3438	+ if ($status_code !== 200) {
	3439	+ $response_body = json_decode(wp_remote_retrieve_body($response), true);
	3440	+
	3441	+ $error_message = isset($response_body['error']['message'])
	3442	+ ? $response_body['error']['message']
	3443	+ : 'HTTP Error ' . $status_code;
	3444	+
	3445	+ $error_type = isset($response_body['error']['type'])
	3446	+ ? $response_body['error']['type']
	3447	+ : 'unknown';
	3448	+
	3449	+ //error_log('Embedding API HTTP Error: ' . $status_code . ' - ' . $error_message);
	3450	+
	3451	+ // Handle specific error types
	3452	+ switch ($error_type) {
	3453	+ case 'invalid_request_error':
	3454	+ if (strpos($error_message, 'API key') !== false) {
	3455	+ return [
	3456	+ 'error' => esc_html__('Invalid API key for embedding generation. Please check your API key configuration.', 'mxchat'),
	3457	+ 'error_code' => 'embedding_invalid_api_key'
	3458	+ ];
	3459	+ }
	3460	+ break;
	3461	+
	3462	+ case 'authentication_error':
	3463	+ return [
	3464	+ 'error' => esc_html__('Authentication failed for embedding generation. Please check your API key.', 'mxchat'),
	3465	+ 'error_code' => 'embedding_auth_error'
	3466	+ ];
	3467	+
	3468	+ case 'rate_limit_exceeded':
	3469	+ return [
	3470	+ 'error' => esc_html__('Rate limit exceeded for embedding generation. Please try again later.', 'mxchat'),
	3471	+ 'error_code' => 'embedding_rate_limit'
	3472	+ ];
	3473	+
	3474	+ case 'quota_exceeded':
	3475	+ return [
	3476	+ 'error' => esc_html__('API quota exceeded for embedding generation. Please check your billing details.', 'mxchat'),
	3477	+ 'error_code' => 'embedding_quota_exceeded'
	3478	+ ];
	3479	+ }
	3480	+
	3481	+ // Generic error fallback
	3482	+ return [
	3483	+ 'error' => esc_html__('Embedding API error - check embedding API key.: ', 'mxchat') . esc_html($error_message),
	3484	+ 'error_code' => 'embedding_api_error',
	3485	+ 'status_code' => $status_code
	3486	+ ];
	3487	+ }
	3488	+
2459	3489	$response_body = json_decode(wp_remote_retrieve_body($response), true);
2460		-
2461		- if (isset($response_body['data'][0]['embedding']) && is_array($response_body['data'][0]['embedding'])) {
2462		- return $response_body['data'][0]['embedding'];
	3490	+
	3491	+ // Handle different response formats based on provider
	3492	+ if (strpos($selected_model, 'gemini-embedding') === 0) {
	3493	+ // Gemini API response format
	3494	+ if (isset($response_body['embedding']['values']) && is_array($response_body['embedding']['values'])) {
	3495	+ return $response_body['embedding']['values'];
	3496	+ } else {
	3497	+ //error_log('Invalid Gemini embedding response: ' . wp_json_encode($response_body));
	3498	+ return [
	3499	+ 'error' => esc_html__('Received invalid embedding data from the Gemini API.', 'mxchat'),
	3500	+ 'error_code' => 'invalid_gemini_embedding_response'
	3501	+ ];
	3502	+ }
2463	3503	} else {
2464		- return null;
	3504	+ // OpenAI/Voyage API response format
	3505	+ if (isset($response_body['data'][0]['embedding']) && is_array($response_body['data'][0]['embedding'])) {
	3506	+ return $response_body['data'][0]['embedding'];
	3507	+ } else {
	3508	+ //error_log('Invalid embedding response: ' . wp_json_encode($response_body));
	3509	+ return [
	3510	+ 'error' => esc_html__('Received invalid embedding data from the API.', 'mxchat'),
	3511	+ 'error_code' => 'invalid_embedding_response'
	3512	+ ];
	3513	+ }
2465	3514	}
	3515	+ } catch (Exception $e) {
	3516	+ //error_log('Embedding Exception: ' . $e->getMessage());
	3517	+ return [
	3518	+ 'error' => esc_html__('System error when generating embeddings: ', 'mxchat') . esc_html($e->getMessage()),
	3519	+ 'error_code' => 'embedding_exception'
	3520	+ ];
2466	3521	}
	3522	+}
2467	3523
2468	3524
2469		-private function mxchat_find_relevant_content($user_embedding) {
2470		- //error_log('MXChat Vector Search: Starting content search...');
	3525	+private function mxchat_find_relevant_content($user_embedding, $bot_id = 'default') {
	3526	+ error_log("MXCHAT DEBUG: find_relevant_content called with bot_id: " . $bot_id);
	3527	+
	3528	+ // Get bot-specific Pinecone configuration
	3529	+ $bot_pinecone_config = $this->get_bot_pinecone_config($bot_id);
	3530	+
	3531	+ // Debug: Log the Pinecone configuration
	3532	+ error_log("MXCHAT DEBUG: Pinecone config for bot '$bot_id':");
	3533	+ error_log(" - use_pinecone: " . ($bot_pinecone_config['use_pinecone'] ? 'true' : 'false'));
	3534	+ error_log(" - api_key: " . (empty($bot_pinecone_config['api_key']) ? 'EMPTY' : 'SET (hidden)'));
	3535	+ error_log(" - host: " . ($bot_pinecone_config['host'] ?? 'NOT SET'));
	3536	+ error_log(" - namespace: " . ($bot_pinecone_config['namespace'] ?? 'NOT SET'));
	3537	+
	3538	+ // Determine whether to use Pinecone based on bot configuration
	3539	+ $use_pinecone = isset($bot_pinecone_config['use_pinecone']) ? $bot_pinecone_config['use_pinecone'] : false;
	3540	+
	3541	+ error_log("MXCHAT DEBUG: Using " . ($use_pinecone ? "Pinecone" : "WordPress Database") . " for knowledge retrieval");
2471	3542
2472		- // Retrieve the add-on settings from the database.
2473		- $addon_options = get_option('mxchat_pinecone_addon_options', array());
2474		-
2475		- // Determine whether Pinecone is enabled.
2476		- // We expect the sanitized setting to be a string '1' if enabled, otherwise '0'.
2477		- $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1') ? 1 : 0;
2478		-
2479		- //error_log('Pinecone enabled flag: ' . $use_pinecone);
2480		-
2481		- if ($use_pinecone === 1) {
2482		- //error_log('MXChat Vector Search: Using Pinecone database');
2483		- return $this->find_relevant_content_pinecone($user_embedding);
	3543	+ if ($use_pinecone) {
	3544	+ return $this->find_relevant_content_pinecone($user_embedding, $bot_id, $bot_pinecone_config);
2484	3545	} else {
2485		- //error_log('MXChat Vector Search: Using WordPress database');
2486		- return $this->find_relevant_content_wordpress($user_embedding);
	3546	+ return $this->find_relevant_content_wordpress($user_embedding, $bot_id);
2487	3547	}
2488	3548	}
2489	3549
2490		-private function find_relevant_content_wordpress($user_embedding) {
	3550	+private function find_relevant_content_wordpress($user_embedding, $bot_id = 'default') {
2491	3551	global $wpdb;
2492	3552	$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
2493		- $cache_key = 'mxchat_system_prompt_embeddings';
	3553	+ $cache_key = 'mxchat_system_prompt_embeddings_' . $bot_id; // Bot-specific cache key
2494	3554	$batch_size = 500;
2495	3555
	3556	+ // Initialize similarity analysis storage
	3557	+ $this->last_similarity_analysis = [
	3558	+ 'knowledge_base_type' => 'WordPress Database',
	3559	+ 'bot_id' => $bot_id, // Track which bot is being used
	3560	+ 'top_matches' => [],
	3561	+ 'threshold_used' => 0,
	3562	+ 'total_checked' => 0
	3563	+ ];
	3564	+
	3565	+ // Get bot-specific options for similarity threshold
	3566	+ $bot_options = $this->get_bot_options($bot_id);
	3567	+ $current_options = !empty($bot_options) ? $bot_options : $this->options;
	3568	+
2496	3569	// Retrieve embeddings from cache or database
2497	3570	$embeddings = wp_cache_get($cache_key, 'mxchat_system_prompts');
2498	3571	if ($embeddings === false) {
	3572	+ // Cache miss - load embeddings from database WITH CONTENT and ROLE RESTRICTION for testing
2499	3573	$embeddings = [];
2500	3574	$offset = 0;
2501	3575
2502		- // Load in batches and build cache
2503	3576	do {
	3577	+ // Add bot_id filter if not default and if bot_metadata column exists
	3578	+ $bot_filter = '';
	3579	+ if ($bot_id !== 'default') {
	3580	+ // Check if bot_metadata column exists
	3581	+ $column_exists = $wpdb->get_var("SHOW COLUMNS FROM {$system_prompt_table} LIKE 'bot_metadata'");
	3582	+ if ($column_exists) {
	3583	+ $bot_filter = $wpdb->prepare(" AND (bot_metadata = %s OR bot_metadata IS NULL OR bot_metadata = '')", $bot_id);
	3584	+ }
	3585	+ }
	3586	+
2504	3587	$query = $wpdb->prepare(
2505		- "SELECT id, embedding_vector
	3588	+ "SELECT id, embedding_vector, article_content, source_url, role_restriction
2506	3589	FROM {$system_prompt_table}
	3590	+ WHERE 1=1 {$bot_filter}
2507	3591	LIMIT %d OFFSET %d",
2508	3592	$batch_size,
2509	3593	$offset
2510	3594	);
		@@ -2515,62 +3599,132 @@
2515	3599	}
2516	3600
2517	3601	$embeddings = array_merge($embeddings, $batch);
2518	3602	$offset += $batch_size;
2519		-
2520		- // Free memory
2521	3603	unset($batch);
2522		-
2523	3604	} while (true);
2524	3605
2525	3606	if (empty($embeddings)) {
2526		- return ''; // Return an empty string if no embeddings found
	3607	+ return '';
2527	3608	}
	3609	+
	3610	+ // Cache embeddings for future use (but note: this now includes content and role restrictions)
2528	3611	wp_cache_set($cache_key, $embeddings, 'mxchat_system_prompts', 3600);
2529	3612	}
2530	3613
2531		- // Initialize array to store relevant results with similarity scores
	3614	+ // Get knowledge manager instance for role checking
	3615	+ $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
	3616	+
	3617	+ // Get base similarity threshold from bot options or default options
	3618	+ $similarity_threshold = isset($current_options['similarity_threshold'])
	3619	+ ? ((int) $current_options['similarity_threshold']) / 100
	3620	+ : 0.75;
	3621	+
	3622	+ $this->last_similarity_analysis['threshold_used'] = $similarity_threshold;
	3623	+
	3624	+ // Calculate similarities and build results array
	3625	+ $all_similarities = [];
2532	3626	$relevant_results = [];
2533		- // Iterate through embeddings to calculate similarity
	3627	+
2534	3628	foreach ($embeddings as $embedding) {
2535	3629	$database_embedding = $embedding->embedding_vector
2536	3630	? unserialize($embedding->embedding_vector, ['allowed_classes' => false])
2537	3631	: null;
	3632	+
2538	3633	if (is_array($database_embedding) && is_array($user_embedding)) {
2539	3634	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $database_embedding);
2540		- $relevant_results[] = [
2541		- 'id' => $embedding->id,
2542		- 'similarity' => $similarity
	3635	+
	3636	+ // Check role access
	3637	+ $role_restriction = $embedding->role_restriction ?? 'public';
	3638	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3639	+
	3640	+ // Store ALL similarities for testing (top 10)
	3641	+ $source_display = '';
	3642	+ if (!empty($embedding->source_url) && $embedding->source_url !== '#') {
	3643	+ $source_display = $embedding->source_url;
	3644	+ } else {
	3645	+ $content_preview = strip_tags($embedding->article_content ?? '');
	3646	+ $content_preview = preg_replace('/\s+/', ' ', $content_preview);
	3647	+ $source_display = substr(trim($content_preview), 0, 50) . '...';
	3648	+ }
	3649	+
	3650	+ $all_similarities[] = [
	3651	+ 'document_id' => $embedding->id,
	3652	+ 'similarity' => $similarity,
	3653	+ 'similarity_percentage' => round($similarity * 100, 2),
	3654	+ 'above_threshold' => $similarity >= $similarity_threshold,
	3655	+ 'source_display' => $source_display,
	3656	+ 'content_preview' => substr(strip_tags($embedding->article_content ?? ''), 0, 100) . '...',
	3657	+ 'used_for_context' => false, // Initialize as false, we'll update this later
	3658	+ 'role_restriction' => $role_restriction, // Include role info for testing
	3659	+ 'has_access' => $has_access, // Include access info for testing
	3660	+ 'filtered_out' => !$has_access // Mark if filtered out by role
2543	3661	];
	3662	+
	3663	+ // Only consider results above threshold AND with access for actual content retrieval
	3664	+ if ($similarity >= $similarity_threshold && $has_access) {
	3665	+ $relevant_results[] = [
	3666	+ 'id' => $embedding->id,
	3667	+ 'similarity' => $similarity
	3668	+ ];
	3669	+ }
2544	3670	}
2545		- // Free memory
	3671	+
2546	3672	unset($database_embedding);
2547	3673	}
2548	3674
2549		- // Retrieve the similarity threshold
2550		- $similarity_threshold = ((int) get_option('mxchat_similarity_threshold', 80)) / 100;
2551		-
2552		- // Filter and sort relevant results by similarity
2553		- $relevant_results = array_filter($relevant_results, function ($result) use ($similarity_threshold) {
2554		- return $result['similarity'] >= $similarity_threshold;
	3675	+ // Sort ALL similarities for testing display (highest first)
	3676	+ usort($all_similarities, function ($a, $b) {
	3677	+ return $b['similarity'] <=> $a['similarity'];
2555	3678	});
	3679	+
	3680	+ // Sort relevant results by similarity (highest first)
2556	3681	usort($relevant_results, function ($a, $b) {
2557	3682	return $b['similarity'] <=> $a['similarity'];
2558	3683	});
2559		-
2560		- // Limit to the top 5 results
	3684	+
	3685	+ // Get top 5 results for actual content (standard approach)
2561	3686	$top_results = array_slice($relevant_results, 0, 5);
2562		-
2563		- // Initialize the final content
	3687	+
	3688	+ // NOW mark which documents are actually used for context
	3689	+ $used_document_ids = [];
	3690	+ foreach ($top_results as $result) {
	3691	+ $used_document_ids[] = $result['id'];
	3692	+ }
	3693	+
	3694	+ // Update the all_similarities array to mark which were actually used
	3695	+ foreach ($all_similarities as &$similarity_item) {
	3696	+ $similarity_item['used_for_context'] = in_array($similarity_item['document_id'], $used_document_ids);
	3697	+ }
	3698	+
	3699	+ // Store top 10 for testing panel (now with correct used_for_context flags and role info)
	3700	+ $this->last_similarity_analysis['top_matches'] = array_slice($all_similarities, 0, 10);
	3701	+ $this->last_similarity_analysis['total_checked'] = count($embeddings);
	3702	+
	3703	+ //error_log("MxChat Testing: Stored " . count($this->last_similarity_analysis['top_matches']) . " top matches for testing");
	3704	+
	3705	+ // Initialize final content
2564	3706	$content = '';
2565		-
2566		- // Fetch and combine content for the top results
2567		- foreach ($top_results as $result) {
	3707	+
	3708	+ // Track document IDs to avoid duplicates
	3709	+ $added_document_ids = [];
	3710	+
	3711	+ // Fetch and format content for each selected result
	3712	+ foreach ($top_results as $index => $result) {
	3713	+ if (in_array($result['id'], $added_document_ids)) {
	3714	+ continue;
	3715	+ }
	3716	+
2568	3717	$chunk_content = $this->fetch_content_with_product_links($result['id']);
2569		- // Check if the content is PDF-related and add surrounding pages
	3718	+ $added_document_ids[] = $result['id'];
	3719	+
	3720	+ $content .= "## Reference " . ($index + 1) . " ##\n";
	3721	+ $content .= $chunk_content . "\n\n";
	3722	+
	3723	+ // PDF surrounding pages logic (unchanged)
2570	3724	if (strpos($chunk_content, '{"document_type":"pdf"') !== false) {
2571	3725	$surrounding_content = $wpdb->get_results($wpdb->prepare(
2572		- "SELECT article_content FROM {$system_prompt_table}
	3726	+ "SELECT id, article_content, role_restriction FROM {$system_prompt_table}
2573	3727	WHERE id IN (
2574	3728	(SELECT id FROM {$system_prompt_table} WHERE id < %d ORDER BY id DESC LIMIT 1),
2575	3729	(SELECT id FROM {$system_prompt_table} WHERE id > %d ORDER BY id ASC LIMIT 1)
2576	3730	)",
		@@ -2576,52 +3730,116 @@
2576	3730	)",
2577	3731	$result['id'],
2578	3732	$result['id']
2579	3733	));
2580		- // Add previous content if it exists
	3734	+
	3735	+ // Check role access for surrounding content too
2581	3736	if (!empty($surrounding_content[0])) {
2582		- $content .= $surrounding_content[0]->article_content . "\n\n";
	3737	+ $surrounding_role = $surrounding_content[0]->role_restriction ?? 'public';
	3738	+ if ($knowledge_manager->mxchat_user_has_content_access($surrounding_role)) {
	3739	+ $content .= "## Related Content ##\n";
	3740	+ $content .= $surrounding_content[0]->article_content . "\n\n";
	3741	+ $added_document_ids[] = $surrounding_content[0]->id;
	3742	+ }
2583	3743	}
2584		- // Add the main chunk content
2585		- $content .= $chunk_content . "\n\n";
2586		- // Add next content if it exists
	3744	+
2587	3745	if (!empty($surrounding_content[1])) {
2588		- $content .= $surrounding_content[1]->article_content . "\n\n";
	3746	+ $surrounding_role = $surrounding_content[1]->role_restriction ?? 'public';
	3747	+ if ($knowledge_manager->mxchat_user_has_content_access($surrounding_role)) {
	3748	+ $content .= "## Related Content ##\n";
	3749	+ $content .= $surrounding_content[1]->article_content . "\n\n";
	3750	+ $added_document_ids[] = $surrounding_content[1]->id;
	3751	+ }
2589	3752	}
2590		- } else {
2591		- // For non-PDF content, add directly
2592		- $content .= $chunk_content . "\n\n";
2593	3753	}
2594	3754	}
	3755	+
	3756	+ // Add response guidelines
	3757	+ if (empty($top_results)) {
	3758	+ $content = "No reference information was found for this query.\n\n";
	3759	+ } else {
	3760	+ $content .= "\n## Response Guidelines ##\n" .
	3761	+ "You are an AI Chatbot. Answer naturally and helpfully using only the information from the references above. " .
	3762	+ "Be conversational and friendly, but never mention your knowledge base or training data. " .
	3763	+ "If you don't have specific information or are uncertain about any details, it's always " .
	3764	+ "better to honestly say you don't know rather than making up or guessing at answers. " .
	3765	+ "When information is incomplete, let them know you are unsure.";
	3766	+ }
2595	3767
2596	3768	return trim($content);
2597	3769	}
2598		-/**
2599		- * Find relevant content in Pinecone vector database
2600		- */
2601		-private function find_relevant_content_pinecone($user_embedding) {
2602		- $options = get_option('mxchat_pinecone_addon_options', array());
2603		- $api_key = $options['mxchat_pinecone_api_key'] ?? '';
2604		- $host = $options['mxchat_pinecone_host'] ?? '';
2605	3770
	3771	+private function find_relevant_content_pinecone($user_embedding, $bot_id = 'default', $bot_config = null) {
	3772	+ global $wpdb;
	3773	+
	3774	+ error_log("MXCHAT DEBUG: find_relevant_content_pinecone called");
	3775	+ error_log(" - bot_id: " . $bot_id);
	3776	+ error_log(" - user_embedding is array: " . (is_array($user_embedding) ? 'yes' : 'no'));
	3777	+ error_log(" - user_embedding count: " . (is_array($user_embedding) ? count($user_embedding) : 'N/A'));
	3778	+
	3779	+ // Use bot-specific config or fall back to default
	3780	+ if ($bot_config === null) {
	3781	+ $bot_config = $this->get_bot_pinecone_config($bot_id);
	3782	+ }
	3783	+
	3784	+ $api_key = $bot_config['api_key'] ?? '';
	3785	+ $host = $bot_config['host'] ?? '';
	3786	+ $namespace = $bot_config['namespace'] ?? '';
	3787	+
	3788	+ error_log("MXCHAT DEBUG: Pinecone query parameters:");
	3789	+ error_log(" - API Key: " . (empty($api_key) ? 'EMPTY - ERROR!' : 'Present (length: ' . strlen($api_key) . ')'));
	3790	+ error_log(" - Host: " . (empty($host) ? 'EMPTY - ERROR!' : $host));
	3791	+ error_log(" - Namespace: " . (empty($namespace) ? 'EMPTY (will use default)' : $namespace));
	3792	+
	3793	+ // Initialize similarity analysis storage
	3794	+ $this->last_similarity_analysis = [
	3795	+ 'knowledge_base_type' => 'Pinecone',
	3796	+ 'bot_id' => $bot_id,
	3797	+ 'namespace' => $namespace,
	3798	+ 'top_matches' => [],
	3799	+ 'threshold_used' => 0,
	3800	+ 'total_checked' => 0
	3801	+ ];
	3802	+
2606	3803	if (empty($host) || empty($api_key)) {
2607		- //error_log('Pinecone credentials not properly configured');
	3804	+ error_log("MXCHAT DEBUG ERROR: Missing Pinecone host or API key!");
	3805	+ error_log(" - Host empty: " . (empty($host) ? 'YES' : 'NO'));
	3806	+ error_log(" - API key empty: " . (empty($api_key) ? 'YES' : 'NO'));
2608	3807	return '';
2609	3808	}
2610		-
2611		- // Get similarity threshold from WordPress settings
2612		- $similarity_threshold = ((int) get_option('mxchat_similarity_threshold', 80)) / 100;
2613		-
	3809	+
	3810	+ // Get knowledge manager instance for role checking
	3811	+ $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
	3812	+
	3813	+ // Get the similarity threshold from the bot options or main options
	3814	+ $bot_options = $this->get_bot_options($bot_id);
	3815	+ $current_options = !empty($bot_options) ? $bot_options : get_option('mxchat_options', []);
	3816	+
	3817	+ $similarity_threshold = isset($current_options['similarity_threshold'])
	3818	+ ? ((int) $current_options['similarity_threshold']) / 100
	3819	+ : 0.75;
	3820	+
	3821	+ $this->last_similarity_analysis['threshold_used'] = $similarity_threshold;
	3822	+
2614	3823	// Prepare the query request for Pinecone
2615	3824	$api_endpoint = "https://{$host}/query";
2616		-
	3825	+
2617	3826	$request_body = array(
2618	3827	'vector' => $user_embedding,
2619		- 'topK' => 5,
	3828	+ 'topK' => 20, // Request more to get good testing data
2620	3829	'includeMetadata' => true,
2621	3830	'includeValues' => true
2622	3831	);
2623		-
	3832	+
	3833	+ // Add namespace if specified for this bot
	3834	+ if (!empty($namespace)) {
	3835	+ $request_body['namespace'] = $namespace;
	3836	+ }
	3837	+
	3838	+ error_log("MXCHAT DEBUG: About to call Pinecone API");
	3839	+ error_log(" - Endpoint: " . $api_endpoint);
	3840	+ error_log(" - Namespace in request: " . (!empty($namespace) ? $namespace : 'NOT SET'));
	3841	+
2624	3842	$response = wp_remote_post($api_endpoint, array(
2625	3843	'headers' => array(
2626	3844	'Api-Key' => $api_key,
2627	3845	'accept' => 'application/json',
		@@ -2629,46 +3847,195 @@
2629	3847	),
2630	3848	'body' => wp_json_encode($request_body),
2631	3849	'timeout' => 30
2632	3850	));
2633		-
	3851	+
2634	3852	if (is_wp_error($response)) {
2635		- //error_log('Pinecone query error: ' . $response->get_error_message());
	3853	+ error_log("MXCHAT DEBUG ERROR: WP Error in Pinecone request: " . $response->get_error_message());
2636	3854	return '';
2637	3855	}
2638		-
	3856	+
2639	3857	$response_code = wp_remote_retrieve_response_code($response);
	3858	+ error_log("MXCHAT DEBUG: Pinecone response code: " . $response_code);
	3859	+
2640	3860	if ($response_code !== 200) {
2641		- //error_log('Pinecone API error: ' . wp_remote_retrieve_body($response));
	3861	+ $response_body = wp_remote_retrieve_body($response);
	3862	+ error_log("MXCHAT DEBUG ERROR: Pinecone API error response: " . substr($response_body, 0, 500));
2642	3863	return '';
2643	3864	}
2644		-
2645		- $results = json_decode(wp_remote_retrieve_body($response), true);
	3865	+
	3866	+ // ADD DETAILED DEBUG SECTION HERE
	3867	+ $response_body = wp_remote_retrieve_body($response);
	3868	+ error_log("MXCHAT DEBUG: Raw Pinecone response length: " . strlen($response_body));
	3869	+
	3870	+ $results = json_decode($response_body, true);
	3871	+
	3872	+ if (json_last_error() !== JSON_ERROR_NONE) {
	3873	+ error_log("MXCHAT DEBUG ERROR: JSON decode error: " . json_last_error_msg());
	3874	+ error_log("MXCHAT DEBUG: First 500 chars of response: " . substr($response_body, 0, 500));
	3875	+ return '';
	3876	+ }
	3877	+
	3878	+ error_log("MXCHAT DEBUG: Pinecone response structure:");
	3879	+ error_log(" - Has 'matches' key: " . (isset($results['matches']) ? 'yes' : 'no'));
	3880	+ error_log(" - Has 'namespace' key: " . (isset($results['namespace']) ? 'yes (' . $results['namespace'] . ')' : 'no'));
	3881	+
2646	3882	if (empty($results['matches'])) {
	3883	+ error_log("MXCHAT DEBUG: No matches found in Pinecone response");
	3884	+ error_log("MXCHAT DEBUG: Response keys: " . implode(', ', array_keys($results)));
2647	3885	return '';
2648	3886	}
2649		-
	3887	+
	3888	+ error_log("MXCHAT DEBUG: Found " . count($results['matches']) . " matches in Pinecone");
	3889	+
	3890	+ // Log first match details for debugging
	3891	+ if (!empty($results['matches'][0])) {
	3892	+ $first_match = $results['matches'][0];
	3893	+ error_log("MXCHAT DEBUG: First match details:");
	3894	+ error_log(" - Score: " . ($first_match['score'] ?? 'no score'));
	3895	+ error_log(" - Has metadata: " . (isset($first_match['metadata']) ? 'yes' : 'no'));
	3896	+ if (isset($first_match['metadata'])) {
	3897	+ error_log(" - Metadata keys: " . implode(', ', array_keys($first_match['metadata'])));
	3898	+ }
	3899	+ }
	3900	+
2650	3901	// Initialize the final content
2651	3902	$content = '';
2652		-
2653		- // Process each match
2654		- foreach ($results['matches'] as $match) {
	3903	+ $matches_used = 0;
	3904	+ $matches_used_for_context = [];
	3905	+
	3906	+ // Process each match for actual content generation (lazy role checking)
	3907	+ foreach ($results['matches'] as $index => $match) {
2655	3908	// Skip if similarity is below threshold
2656	3909	if ($match['score'] < $similarity_threshold) {
2657	3910	continue;
2658	3911	}
2659		-
2660		- if (!empty($match['metadata']['text']) && !empty($match['metadata']['source_url'])) {
2661		- // Add content with citation
2662		- $content .= $match['metadata']['text'] . "\n";
2663		- $content .= "Source: " . $match['metadata']['source_url'] . "\n\n";
	3912	+
	3913	+ // Limit to top 5 matches above threshold
	3914	+ if ($matches_used >= 5) {
	3915	+ break;
2664	3916	}
	3917	+
	3918	+ if (!empty($match['metadata']['text'])) {
	3919	+ // LAZY ROLE CHECK: Only check role for content we're actually considering
	3920	+ $match_id = $match['id'] ?? '';
	3921	+ $role_restriction = $this->get_single_vector_role($match_id, $match['metadata']);
	3922	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3923	+
	3924	+ // Skip if user doesn't have access
	3925	+ if (!$has_access) {
	3926	+ continue;
	3927	+ }
	3928	+
	3929	+ // User has access - add to content
	3930	+ $content .= "## Reference " . ($matches_used + 1) . " ##\n";
	3931	+ $content .= $match['metadata']['text'] . "\n\n";
	3932	+
	3933	+ if (!empty($match['metadata']['source_url'])) {
	3934	+ $content .= "URL: " . $match['metadata']['source_url'] . "\n\n";
	3935	+ }
	3936	+
	3937	+ $matches_used_for_context[] = $match['id'] ?? $index;
	3938	+ $matches_used++;
	3939	+ }
2665	3940	}
2666		-
	3941	+
	3942	+ // Process ALL matches for testing data (top 10) - with role checking for testing display
	3943	+ $all_matches = [];
	3944	+ foreach ($results['matches'] as $index => $match) {
	3945	+ if ($index >= 10) break; // Limit to top 10 for testing
	3946	+
	3947	+ $match_id = $match['id'] ?? '';
	3948	+
	3949	+ // Check role access for testing display (use cache if available)
	3950	+ $role_restriction = $this->get_single_vector_role($match_id, $match['metadata']);
	3951	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3952	+
	3953	+ $source_display = '';
	3954	+ if (!empty($match['metadata']['source_url'])) {
	3955	+ $source_display = $match['metadata']['source_url'];
	3956	+ } else {
	3957	+ $content_preview = strip_tags($match['metadata']['text'] ?? '');
	3958	+ $content_preview = preg_replace('/\s+/', ' ', $content_preview);
	3959	+ $source_display = substr(trim($content_preview), 0, 50) . '...';
	3960	+ }
	3961	+
	3962	+ $match_id_for_display = $match['id'] ?? $index;
	3963	+
	3964	+ $all_matches[] = [
	3965	+ 'document_id' => $match_id_for_display,
	3966	+ 'similarity' => $match['score'],
	3967	+ 'similarity_percentage' => round($match['score'] * 100, 2),
	3968	+ 'above_threshold' => $match['score'] >= $similarity_threshold,
	3969	+ 'source_display' => $source_display,
	3970	+ 'content_preview' => substr(strip_tags($match['metadata']['text'] ?? ''), 0, 100) . '...',
	3971	+ 'used_for_context' => in_array($match_id_for_display, $matches_used_for_context),
	3972	+ 'role_restriction' => $role_restriction,
	3973	+ 'has_access' => $has_access,
	3974	+ 'filtered_out' => !$has_access
	3975	+ ];
	3976	+ }
	3977	+
	3978	+ // Store for testing panel
	3979	+ $this->last_similarity_analysis['top_matches'] = $all_matches;
	3980	+ $this->last_similarity_analysis['total_checked'] = count($results['matches']);
	3981	+
	3982	+ // Add response guidelines
	3983	+ if ($matches_used === 0) {
	3984	+ $content = "No reference information was found for this query.\n\n";
	3985	+ } else {
	3986	+ $content .= "\n## Response Guidelines ##\n" .
	3987	+ "You are an AI Chatbot. Answer naturally and helpfully using only the information from the references above. " .
	3988	+ "Be conversational and friendly, but never mention your knowledge base or training data. " .
	3989	+ "If you don't have specific information or are uncertain about any details, it's always " .
	3990	+ "better to honestly say you don't know rather than making up or guessing at answers. " .
	3991	+ "When information is incomplete, let them know you are unsure.";
	3992	+ }
	3993	+
2667	3994	return trim($content);
2668	3995	}
	3996	+/**
	3997	+ * Get role restriction for a single vector (with caching)
	3998	+ */
	3999	+private function get_single_vector_role($vector_id, $metadata = array()) {
	4000	+ global $wpdb;
	4001	+
	4002	+ if (empty($vector_id)) {
	4003	+ return 'public';
	4004	+ }
	4005	+
	4006	+ // Check cache first
	4007	+ $cache_key = 'mxchat_vector_role_' . $vector_id;
	4008	+ $cached_role = wp_cache_get($cache_key, 'mxchat_vector_roles');
	4009	+
	4010	+ if ($cached_role !== false) {
	4011	+ return $cached_role;
	4012	+ }
	4013	+
	4014	+ $role_restriction = 'public';
	4015	+
	4016	+ // First try Pinecone metadata
	4017	+ if (!empty($metadata['role_restriction'])) {
	4018	+ $role_restriction = $metadata['role_restriction'];
	4019	+ } else {
	4020	+ // Check WordPress table for user-modified roles
	4021	+ $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
	4022	+ $stored_role = $wpdb->get_var($wpdb->prepare(
	4023	+ "SELECT role_restriction FROM {$roles_table} WHERE vector_id = %s",
	4024	+ $vector_id
	4025	+ ));
	4026	+
	4027	+ if ($stored_role) {
	4028	+ $role_restriction = $stored_role;
	4029	+ }
	4030	+ }
	4031	+
	4032	+ // Cache individual role for 1 hour
	4033	+ wp_cache_set($cache_key, $role_restriction, 'mxchat_vector_roles', 3600);
	4034	+
	4035	+ return $role_restriction;
	4036	+}
2669	4037
2670		-
2671	4038	private function mxchat_find_relevant_products($user_embedding) {
2672	4039	//error_log('MXChat Vector Search: Starting product search...');
2673	4040
2674	4041	// Retrieve the add-on settings from the database
		@@ -2686,9 +4053,8 @@
2686	4053	//error_log('MXChat Vector Search: Using WordPress database for products');
2687	4054	return $this->find_relevant_products_wordpress($user_embedding);
2688	4055	}
2689	4056	}
2690		-
2691	4057	private function find_relevant_products_wordpress($user_embedding) {
2692	4058	global $wpdb;
2693	4059	$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
2694	4060	$cache_key = 'mxchat_system_prompt_embeddings';
		@@ -2763,9 +4129,9 @@
2763	4129
2764	4130	return trim($content);
2765	4131	}
2766	4132
2767		-// Modified search function with correct filter syntax
	4133	+
2768	4134	private function find_relevant_products_pinecone($user_embedding) {
2769	4135	//error_log('Starting Pinecone product search...');
2770	4136
2771	4137	$options = get_option('mxchat_pinecone_addon_options', array());
		@@ -2862,321 +4228,1123 @@
2862	4228
2863	4229	return null;
2864	4230	}
2865	4231
2866		-// Function definition
2867		-private function mxchat_generate_response($relevant_content, $api_key, $xai_api_key, $claude_api_key, $deepseek_api_key, $conversation_history) {
	4232	+/**
	4233	+ * Get system instructions for a specific bot or default
	4234	+ * Checks for multi-bot add-on and uses bot-specific instructions if available
	4235	+ */
	4236	+private function get_system_instructions($bot_id = 'default') {
	4237	+ // Check if multi-bot add-on is active
	4238	+ if (class_exists('MxChat_Multi_Bot_Core_Manager') && $bot_id !== 'default') {
	4239	+ // Get bot-specific options from multi-bot add-on
	4240	+ $bot_options = apply_filters('mxchat_get_bot_options', array(), $bot_id);
	4241	+
	4242	+ // If bot has custom system instructions, use those
	4243	+ if (!empty($bot_options['system_prompt_instructions'])) {
	4244	+ return $bot_options['system_prompt_instructions'];
	4245	+ }
	4246	+ }
	4247	+
	4248	+ // Fall back to default system instructions
	4249	+ return isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4250	+}
	4251	+/**
	4252	+ * Get the current bot ID from session or request context
	4253	+ */
	4254	+private function get_current_bot_id($session_id = '') {
	4255	+ // First, check if bot_id is passed in the current request
	4256	+ if (isset($_POST['bot_id']) && !empty($_POST['bot_id'])) {
	4257	+ return sanitize_key($_POST['bot_id']);
	4258	+ }
	4259	+
	4260	+ // If not in POST, try to get it from session data
	4261	+ if (!empty($session_id)) {
	4262	+ $bot_id = get_option("mxchat_session_bot_{$session_id}", '');
	4263	+ if (!empty($bot_id)) {
	4264	+ return $bot_id;
	4265	+ }
	4266	+ }
	4267	+
	4268	+ // Fall back to default
	4269	+ return 'default';
	4270	+}
	4271	+private function mxchat_generate_response($relevant_content, $api_key, $xai_api_key, $claude_api_key, $deepseek_api_key, $gemini_api_key, $conversation_history, $streaming = false, $session_id = '', $testing_data = null) {
2868	4272	try {
2869	4273	if (!$relevant_content) {
2870		- return esc_html__("I'm sorry, I couldn't find relevant information on that topic.", 'mxchat');
	4274	+ $error_response = [
	4275	+ 'error' => esc_html__("I couldn't find relevant information on that topic.", 'mxchat'),
	4276	+ 'error_code' => 'no_relevant_content'
	4277	+ ];
	4278	+
	4279	+ // Add testing data to error response if available
	4280	+ if ($testing_data !== null) {
	4281	+ $error_response['testing_data'] = $testing_data;
	4282	+ //error_log("MxChat Testing: Added testing data to no_relevant_content error");
	4283	+ }
	4284	+
	4285	+ return $error_response;
2871	4286	}
2872		-
	4287	+
2873	4288	// Ensure conversation_history is an array
2874	4289	if (!is_array($conversation_history)) {
2875	4290	$conversation_history = array();
2876	4291	}
2877		-
	4292	+
2878	4293	// Get selected model with default fallback
2879	4294	$selected_model = isset($this->options['model']) ? $this->options['model'] : 'gpt-4o';
2880		-
	4295	+
2881	4296	// Extract model prefix to determine the provider
2882	4297	$model_parts = explode('-', $selected_model);
2883	4298	$provider = strtolower($model_parts[0]);
2884		-
	4299	+
2885	4300	// Handle model selection based on provider prefix
2886	4301	switch ($provider) {
2887		- case 'claude':
2888		- if (empty($claude_api_key)) {
2889		- throw new Exception(esc_html__('Claude API key is not configured', 'mxchat'));
	4302	+ case 'gemini':
	4303	+ if (empty($gemini_api_key)) {
	4304	+ $error_response = [
	4305	+ 'error' => esc_html__('Google Gemini API key is not configured', 'mxchat'),
	4306	+ 'error_code' => 'missing_gemini_api_key'
	4307	+ ];
	4308	+ if ($testing_data !== null) {
	4309	+ $error_response['testing_data'] = $testing_data;
	4310	+ }
	4311	+ return $error_response;
2890	4312	}
2891		- return $this->mxchat_generate_response_claude(
	4313	+ $response = $this->mxchat_generate_response_gemini(
2892	4314	$selected_model,
2893		- $claude_api_key,
	4315	+ $gemini_api_key,
2894	4316	$conversation_history,
2895	4317	$relevant_content
2896	4318	);
2897		-
	4319	+ break;
	4320	+
	4321	+ case 'claude':
	4322	+ if (empty($claude_api_key)) {
	4323	+ $error_response = [
	4324	+ 'error' => esc_html__('Claude API key is not configured', 'mxchat'),
	4325	+ 'error_code' => 'missing_claude_api_key'
	4326	+ ];
	4327	+ if ($testing_data !== null) {
	4328	+ $error_response['testing_data'] = $testing_data;
	4329	+ }
	4330	+ return $error_response;
	4331	+ }
	4332	+ if ($streaming) {
	4333	+ return $this->mxchat_generate_response_claude_stream(
	4334	+ $selected_model,
	4335	+ $claude_api_key,
	4336	+ $conversation_history,
	4337	+ $relevant_content,
	4338	+ $session_id,
	4339	+ $testing_data // Pass testing data
	4340	+ );
	4341	+ } else {
	4342	+ $response = $this->mxchat_generate_response_claude(
	4343	+ $selected_model,
	4344	+ $claude_api_key,
	4345	+ $conversation_history,
	4346	+ $relevant_content
	4347	+ );
	4348	+ }
	4349	+ break;
	4350	+
2898	4351	case 'grok':
2899	4352	if (empty($xai_api_key)) {
2900		- throw new Exception(esc_html__('X.AI API key is not configured', 'mxchat'));
	4353	+ $error_response = [
	4354	+ 'error' => esc_html__('X.AI API key is not configured', 'mxchat'),
	4355	+ 'error_code' => 'missing_xai_api_key'
	4356	+ ];
	4357	+ if ($testing_data !== null) {
	4358	+ $error_response['testing_data'] = $testing_data;
	4359	+ }
	4360	+ return $error_response;
2901	4361	}
2902		- return $this->mxchat_generate_response_xai(
2903		- $selected_model,
2904		- $xai_api_key,
2905		- $conversation_history,
2906		- $relevant_content
2907		- );
2908		-
	4362	+ if ($streaming) {
	4363	+ return $this->mxchat_generate_response_xai_stream(
	4364	+ $selected_model,
	4365	+ $xai_api_key,
	4366	+ $conversation_history,
	4367	+ $relevant_content,
	4368	+ $session_id,
	4369	+ $testing_data // Pass testing data
	4370	+ );
	4371	+ } else {
	4372	+ $response = $this->mxchat_generate_response_xai(
	4373	+ $selected_model,
	4374	+ $xai_api_key,
	4375	+ $conversation_history,
	4376	+ $relevant_content
	4377	+ );
	4378	+ }
	4379	+ break;
	4380	+
2909	4381	case 'deepseek':
2910	4382	if (empty($deepseek_api_key)) {
2911		- throw new Exception(esc_html__('DeepSeek API key is not configured', 'mxchat'));
	4383	+ $error_response = [
	4384	+ 'error' => esc_html__('DeepSeek API key is not configured', 'mxchat'),
	4385	+ 'error_code' => 'missing_deepseek_api_key'
	4386	+ ];
	4387	+ if ($testing_data !== null) {
	4388	+ $error_response['testing_data'] = $testing_data;
	4389	+ }
	4390	+ return $error_response;
2912	4391	}
2913		- return $this->mxchat_generate_response_deepseek(
2914		- $selected_model,
2915		- $deepseek_api_key,
2916		- $conversation_history,
2917		- $relevant_content
2918		- );
2919		-
	4392	+ if ($streaming) {
	4393	+ return $this->mxchat_generate_response_deepseek_stream(
	4394	+ $selected_model,
	4395	+ $deepseek_api_key,
	4396	+ $conversation_history,
	4397	+ $relevant_content,
	4398	+ $session_id,
	4399	+ $testing_data // Pass testing data
	4400	+ );
	4401	+ } else {
	4402	+ $response = $this->mxchat_generate_response_deepseek(
	4403	+ $selected_model,
	4404	+ $deepseek_api_key,
	4405	+ $conversation_history,
	4406	+ $relevant_content
	4407	+ );
	4408	+ }
	4409	+ break;
	4410	+
2920	4411	case 'gpt':
	4412	+ case 'o1':
2921	4413	if (empty($api_key)) {
2922		- throw new Exception(esc_html__('OpenAI API key is not configured', 'mxchat'));
	4414	+ $error_response = [
	4415	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	4416	+ 'error_code' => 'missing_openai_api_key'
	4417	+ ];
	4418	+ if ($testing_data !== null) {
	4419	+ $error_response['testing_data'] = $testing_data;
	4420	+ }
	4421	+ return $error_response;
2923	4422	}
2924		- return $this->mxchat_generate_response_openai(
2925		- $selected_model,
2926		- $api_key,
2927		- $conversation_history,
2928		- $relevant_content
2929		- );
2930		-
	4423	+ if ($streaming) {
	4424	+ return $this->mxchat_generate_response_openai_stream(
	4425	+ $selected_model,
	4426	+ $api_key,
	4427	+ $conversation_history,
	4428	+ $relevant_content,
	4429	+ $session_id,
	4430	+ $testing_data // Pass testing data
	4431	+ );
	4432	+ } else {
	4433	+ $response = $this->mxchat_generate_response_openai(
	4434	+ $selected_model,
	4435	+ $api_key,
	4436	+ $conversation_history,
	4437	+ $relevant_content
	4438	+ );
	4439	+ }
	4440	+ break;
	4441	+
2931	4442	default:
2932	4443	// Default to OpenAI for custom models or unrecognized prefixes
2933	4444	if (empty($api_key)) {
2934		- throw new Exception(esc_html__('OpenAI API key is not configured', 'mxchat'));
	4445	+ $error_response = [
	4446	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	4447	+ 'error_code' => 'missing_openai_api_key'
	4448	+ ];
	4449	+ if ($testing_data !== null) {
	4450	+ $error_response['testing_data'] = $testing_data;
	4451	+ }
	4452	+ return $error_response;
2935	4453	}
2936		- return $this->mxchat_generate_response_openai(
2937		- $selected_model,
2938		- $api_key,
2939		- $conversation_history,
2940		- $relevant_content
2941		- );
	4454	+ if ($streaming) {
	4455	+ return $this->mxchat_generate_response_openai_stream(
	4456	+ $selected_model,
	4457	+ $api_key,
	4458	+ $conversation_history,
	4459	+ $relevant_content,
	4460	+ $session_id,
	4461	+ $testing_data // Pass testing data
	4462	+ );
	4463	+ } else {
	4464	+ $response = $this->mxchat_generate_response_openai(
	4465	+ $selected_model,
	4466	+ $api_key,
	4467	+ $conversation_history,
	4468	+ $relevant_content
	4469	+ );
	4470	+ }
	4471	+ break;
2942	4472	}
	4473	+
	4474	+ // Check if the response is an error array from the provider-specific function
	4475	+ if (is_array($response) && isset($response['error'])) {
	4476	+ // Add testing data to error response if available
	4477	+ if ($testing_data !== null) {
	4478	+ $response['testing_data'] = $testing_data;
	4479	+ //error_log("MxChat Testing: Added testing data to provider error response");
	4480	+ }
	4481	+ return $response; // Pass through the error with testing data
	4482	+ }
	4483	+
	4484	+ // For successful non-streaming responses, we don't add testing data here
	4485	+ // because it will be added in the main handler
	4486	+ return $response;
	4487	+
2943	4488	} catch (Exception $e) {
2944	4489	//error_log('MXChat Error: ' . $e->getMessage());
2945		- return sprintf(
2946		- esc_html__('An error occurred: %s', 'mxchat'),
2947		- esc_html($e->getMessage())
2948		- );
	4490	+ $error_response = [
	4491	+ 'error' => sprintf(esc_html__('An error occurred: %s', 'mxchat'), esc_html($e->getMessage())),
	4492	+ 'error_code' => 'system_exception',
	4493	+ 'exception_details' => $e->getMessage()
	4494	+ ];
	4495	+
	4496	+ // Add testing data to exception response if available
	4497	+ if ($testing_data !== null) {
	4498	+ $error_response['testing_data'] = $testing_data;
	4499	+ //error_log("MxChat Testing: Added testing data to exception response");
	4500	+ }
	4501	+
	4502	+ return $error_response;
2949	4503	}
2950	4504	}
	4505	+private function mxchat_generate_response_openai_stream($selected_model, $api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4506	+ try {
	4507	+ $bot_id = $this->get_current_bot_id($session_id);
	4508	+
	4509	+ // Get system prompt instructions using centralized function
	4510	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	4511	+
	4512	+ // Ensure conversation_history is an array
	4513	+ if (!is_array($conversation_history)) {
	4514	+ $conversation_history = array();
	4515	+ }
2951	4516
	4517	+ // Format conversation history for OpenAI
	4518	+ $formatted_conversation = array();
2952	4519
2953		-private function mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content) {
2954		- // Ensure conversation_history is an array
2955		- if (!is_array($conversation_history)) {
2956		- $conversation_history = array();
2957		- }
	4520	+ $formatted_conversation[] = array(
	4521	+ 'role' => 'system',
	4522	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	4523	+ );
2958	4524
2959		- // Get system prompt instructions from options
2960		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4525	+ foreach ($conversation_history as $message) {
	4526	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	4527	+ $role = $message['role'];
	4528	+ if ($role === 'bot' || $role === 'agent') {
	4529	+ $role = 'assistant';
	4530	+ }
	4531	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	4532	+ $role = 'user';
	4533	+ }
	4534	+ $formatted_conversation[] = array(
	4535	+ 'role' => $role,
	4536	+ 'content' => $message['content']
	4537	+ );
	4538	+ }
	4539	+ }
2961	4540
2962		- // Create a new array for the formatted conversation
2963		- $formatted_conversation = array();
	4541	+ // Check if we can actually stream
	4542	+ if (headers_sent() || !function_exists('curl_init')) {
	4543	+ // Fallback to regular response with testing data
	4544	+ //error_log("MxChat: OpenAI streaming not possible, falling back to regular response");
	4545	+ $regular_response = $this->mxchat_generate_response_openai(
	4546	+ $selected_model,
	4547	+ $api_key,
	4548	+ $conversation_history,
	4549	+ $relevant_content
	4550	+ );
	4551	+
	4552	+ $response_data = [
	4553	+ 'text' => $regular_response,
	4554	+ 'html' => '',
	4555	+ 'session_id' => $session_id
	4556	+ ];
	4557	+
	4558	+ if ($testing_data !== null) {
	4559	+ $response_data['testing_data'] = $testing_data;
	4560	+ //error_log("MxChat Testing: Added testing data to OpenAI fallback response");
	4561	+ }
	4562	+
	4563	+ header('Content-Type: application/json');
	4564	+ echo json_encode($response_data);
	4565	+ return true;
	4566	+ }
2964	4567
2965		- // Add system message first
2966		- $formatted_conversation[] = array(
2967		- 'role' => 'system',
2968		- 'content' => $system_prompt_instructions . " " . $relevant_content
2969		- );
	4568	+ // Prepare the request body with stream: true
	4569	+ $body = json_encode([
	4570	+ 'model' => $selected_model,
	4571	+ 'messages' => $formatted_conversation,
	4572	+ 'temperature' => 1,
	4573	+ 'stream' => true
	4574	+ ]);
2970	4575
2971		- // Add the rest of the conversation history
2972		- foreach ($conversation_history as $message) {
2973		- if (is_array($message) && isset($message['role']) && isset($message['content'])) {
2974		- $role = $message['role'];
	4576	+ // Use cURL for streaming support
	4577	+ $ch = curl_init();
	4578	+ curl_setopt($ch, CURLOPT_URL, 'https://api.openai.com/v1/chat/completions');
	4579	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4580	+ curl_setopt($ch, CURLOPT_POST, true);
	4581	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4582	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4583	+ 'Content-Type: application/json',
	4584	+ 'Authorization: Bearer ' . $api_key
	4585	+ ));
	4586	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4587	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	4588	+
	4589	+ $full_response = ''; // Accumulate full response for saving
	4590	+ $stream_started = false;
	4591	+
	4592	+ // Buffer control for real-time streaming
	4593	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	4594	+ // Send testing data as the first event if available
	4595	+ if (!$stream_started && $testing_data !== null) {
	4596	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4597	+ flush();
	4598	+ $stream_started = true;
	4599	+ //error_log("MxChat Testing: Sent testing data in OpenAI stream");
	4600	+ }
	4601	+
	4602	+ // Process each chunk of data
	4603	+ $lines = explode("\n", $data);
	4604	+
	4605	+ foreach ($lines as $line) {
	4606	+ if (trim($line) === '' || strpos($line, 'data: ') !== 0) {
	4607	+ continue;
	4608	+ }
	4609	+
	4610	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	4611	+
	4612	+ if ($json_str === '[DONE]') {
	4613	+ echo "data: [DONE]\n\n";
	4614	+ flush();
	4615	+ continue;
	4616	+ }
	4617	+
	4618	+ $json = json_decode($json_str, true);
	4619	+ if (isset($json['choices'][0]['delta']['content'])) {
	4620	+ $content = $json['choices'][0]['delta']['content'];
	4621	+ $full_response .= $content; // Accumulate
	4622	+ // Send as SSE format
	4623	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	4624	+ flush();
	4625	+ }
	4626	+ }
	4627	+
	4628	+ return strlen($data);
	4629	+ });
	4630	+
	4631	+ $response = curl_exec($ch);
	4632	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	4633	+
	4634	+ if (curl_errno($ch) || $http_code !== 200) {
	4635	+ curl_close($ch);
	4636	+
	4637	+ // Fallback to regular response
	4638	+ //error_log("MxChat: OpenAI streaming failed, falling back");
	4639	+ $regular_response = $this->mxchat_generate_response_openai(
	4640	+ $selected_model,
	4641	+ $api_key,
	4642	+ $conversation_history,
	4643	+ $relevant_content
	4644	+ );
	4645	+
	4646	+ $response_data = [
	4647	+ 'text' => $regular_response,
	4648	+ 'html' => '',
	4649	+ 'session_id' => $session_id
	4650	+ ];
	4651	+
	4652	+ if ($testing_data !== null) {
	4653	+ $response_data['testing_data'] = $testing_data;
	4654	+ //error_log("MxChat Testing: Added testing data to OpenAI error fallback");
	4655	+ }
	4656	+
	4657	+ header('Content-Type: application/json');
	4658	+ echo json_encode($response_data);
	4659	+ return true;
	4660	+ }
	4661	+
	4662	+ curl_close($ch);
	4663	+
	4664	+ // Save the complete response to maintain chat persistence
	4665	+ if (!empty($full_response) && !empty($session_id)) {
	4666	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	4667	+ }
	4668	+
	4669	+ return true; // Indicate streaming completed successfully
	4670	+
	4671	+ } catch (Exception $e) {
	4672	+ //error_log("MxChat OpenAI streaming exception: " . $e->getMessage());
	4673	+
	4674	+ // Fallback to regular response
	4675	+ $regular_response = $this->mxchat_generate_response_openai(
	4676	+ $selected_model,
	4677	+ $api_key,
	4678	+ $conversation_history,
	4679	+ $relevant_content
	4680	+ );
	4681	+
	4682	+ $response_data = [
	4683	+ 'text' => $regular_response,
	4684	+ 'html' => '',
	4685	+ 'session_id' => $session_id
	4686	+ ];
	4687	+
	4688	+ if ($testing_data !== null) {
	4689	+ $response_data['testing_data'] = $testing_data;
	4690	+ //error_log("MxChat Testing: Added testing data to OpenAI exception fallback");
	4691	+ }
	4692	+
	4693	+ header('Content-Type: application/json');
	4694	+ echo json_encode($response_data);
	4695	+ return true;
	4696	+ }
	4697	+}
	4698	+private function mxchat_generate_response_claude_stream($selected_model, $claude_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4699	+ try {
	4700	+ // Get bot ID from session or request
	4701	+ $bot_id = $this->get_current_bot_id($session_id);
	4702	+
	4703	+ // Get system prompt instructions using centralized function
	4704	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	4705	+ // Ensure conversation_history is an array
	4706	+ if (!is_array($conversation_history)) {
	4707	+ $conversation_history = array();
	4708	+ }
2975	4709
2976		- // Convert roles to supported format
2977		- if ($role === 'bot' || $role === 'agent') {
2978		- $role = 'assistant';
	4710	+ // Clean and validate conversation history
	4711	+ foreach ($conversation_history as &$message) {
	4712	+ // Convert bot and agent roles to assistant
	4713	+ if ($message['role'] === 'bot' || $message['role'] === 'agent') {
	4714	+ $message['role'] = 'assistant';
2979	4715	}
2980		- if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
2981		- $role = 'user';
	4716	+
	4717	+ // Remove unsupported roles - Claude only supports 'assistant' and 'user'
	4718	+ if (!in_array($message['role'], ['assistant', 'user'])) {
	4719	+ $message['role'] = 'user';
2982	4720	}
2983	4721
2984		- $formatted_conversation[] = array(
2985		- 'role' => $role,
2986		- 'content' => $message['content']
	4722	+ // Ensure content field exists
	4723	+ if (!isset($message['content']) || empty($message['content'])) {
	4724	+ $message['content'] = '';
	4725	+ }
	4726	+
	4727	+ // Remove any unsupported fields
	4728	+ $message = array_intersect_key($message, array_flip(['role', 'content']));
	4729	+ }
	4730	+
	4731	+ // Add relevant content as the latest user message
	4732	+ $conversation_history[] = [
	4733	+ 'role' => 'user',
	4734	+ 'content' => $relevant_content
	4735	+ ];
	4736	+
	4737	+ // Prepare the request body with stream: true
	4738	+ $body = json_encode([
	4739	+ 'model' => $selected_model,
	4740	+ 'messages' => $conversation_history,
	4741	+ 'max_tokens' => 1000,
	4742	+ 'temperature' => 0.8,
	4743	+ 'system' => $system_prompt_instructions,
	4744	+ 'stream' => true
	4745	+ ]);
	4746	+
	4747	+ // Check if we can actually stream (headers not sent, etc.)
	4748	+ if (headers_sent() || !function_exists('curl_init')) {
	4749	+ // Fallback to regular response with testing data
	4750	+ //error_log("MxChat: Streaming not possible, falling back to regular response");
	4751	+ $regular_response = $this->mxchat_generate_response_claude(
	4752	+ $selected_model,
	4753	+ $claude_api_key,
	4754	+ array_slice($conversation_history, 0, -1), // Remove the added content
	4755	+ $relevant_content
2987	4756	);
	4757	+
	4758	+ // Return as JSON with testing data
	4759	+ $response_data = [
	4760	+ 'text' => $regular_response,
	4761	+ 'html' => '',
	4762	+ 'session_id' => $session_id
	4763	+ ];
	4764	+
	4765	+ if ($testing_data !== null) {
	4766	+ $response_data['testing_data'] = $testing_data;
	4767	+ //error_log("MxChat Testing: Added testing data to Claude fallback response");
	4768	+ }
	4769	+
	4770	+ // Clear any streaming headers and send JSON
	4771	+ if (headers_sent() === false) {
	4772	+ header('Content-Type: application/json');
	4773	+ }
	4774	+ echo json_encode($response_data);
	4775	+ return true; // Indicate we handled the response
2988	4776	}
2989		- }
2990	4777
2991		- $body = json_encode([
2992		- 'model' => $selected_model,
2993		- 'messages' => $formatted_conversation,
2994		- 'temperature' => 0.8,
2995		- 'stream' => false
2996		- ]);
	4778	+ // Use cURL for streaming support
	4779	+ $ch = curl_init();
	4780	+ curl_setopt($ch, CURLOPT_URL, 'https://api.anthropic.com/v1/messages');
	4781	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4782	+ curl_setopt($ch, CURLOPT_POST, true);
	4783	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4784	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4785	+ 'Content-Type: application/json',
	4786	+ 'x-api-key: ' . $claude_api_key,
	4787	+ 'anthropic-version: 2023-06-01'
	4788	+ ));
	4789	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4790	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
2997	4791
2998		- $args = [
2999		- 'body' => $body,
3000		- 'headers' => [
3001		- 'Content-Type' => 'application/json',
3002		- 'Authorization' => 'Bearer ' . $deepseek_api_key,
3003		- ],
3004		- 'timeout' => 60,
3005		- 'redirection' => 5,
3006		- 'blocking' => true,
3007		- 'httpversion' => '1.0',
3008		- 'sslverify' => true,
3009		- ];
	4792	+ $full_response = ''; // Accumulate full response for saving
	4793	+ $stream_started = false;
3010	4794
3011		- $response = wp_remote_post('https://api.deepseek.com/v1/chat/completions', $args);
	4795	+ // Buffer control for real-time streaming
	4796	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	4797	+ // Send testing data as the first event if available
	4798	+ if (!$stream_started && $testing_data !== null) {
	4799	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4800	+ flush();
	4801	+ $stream_started = true;
	4802	+ //error_log("MxChat Testing: Sent testing data in Claude stream");
	4803	+ }
	4804	+
	4805	+ // Process each chunk of data
	4806	+ $lines = explode("\n", $data);
3012	4807
3013		- if (is_wp_error($response)) {
3014		- //error_log('DeepSeek API Error: ' . $response->get_error_message());
3015		- return "Sorry, there was an error processing your request.";
3016		- }
	4808	+ foreach ($lines as $line) {
	4809	+ if (trim($line) === '') {
	4810	+ continue;
	4811	+ }
3017	4812
3018		- $response_body = wp_remote_retrieve_body($response);
3019		- $decoded_response = json_decode($response_body, true);
	4813	+ // Claude uses event: and data: format
	4814	+ if (strpos($line, 'event: ') === 0) {
	4815	+ // Store the event type for the next data line
	4816	+ continue;
	4817	+ }
3020	4818
3021		- if (isset($decoded_response['choices'][0]['message']['content'])) {
3022		- return trim($decoded_response['choices'][0]['message']['content']);
3023		- } else {
3024		- //error_log('DeepSeek API Response Format Error: ' . print_r($decoded_response, true));
3025		- return "Sorry, I couldn't process that request.";
3026		- }
3027		-}
	4819	+ if (strpos($line, 'data: ') === 0) {
	4820	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
3028	4821
3029		-private function mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content) {
3030		- // Ensure conversation_history is an array
3031		- if (!is_array($conversation_history)) {
3032		- $conversation_history = array();
3033		- }
	4822	+ $json = json_decode($json_str, true);
	4823	+ if (json_last_error() !== JSON_ERROR_NONE) {
	4824	+ continue;
	4825	+ }
3034	4826
3035		- // Get system prompt instructions from options
3036		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4827	+ // Handle different event types
	4828	+ if (isset($json['type'])) {
	4829	+ switch ($json['type']) {
	4830	+ case 'content_block_delta':
	4831	+ if (isset($json['delta']['text'])) {
	4832	+ $content = $json['delta']['text'];
	4833	+ $full_response .= $content; // Accumulate
	4834	+ // Send as SSE format compatible with your frontend
	4835	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	4836	+ flush();
	4837	+ }
	4838	+ break;
3037	4839
3038		- // Create a new array for the formatted conversation
3039		- $formatted_conversation = array();
	4840	+ case 'message_stop':
	4841	+ echo "data: [DONE]\n\n";
	4842	+ flush();
	4843	+ break;
3040	4844
3041		- // Add system message first
3042		- $formatted_conversation[] = array(
3043		- 'role' => 'system',
3044		- 'content' => $system_prompt_instructions . " " . $relevant_content
3045		- );
	4845	+ case 'error':
	4846	+ echo "data: " . json_encode(['error' => $json['error']['message'] ?? 'Unknown error']) . "\n\n";
	4847	+ flush();
	4848	+ break;
	4849	+ }
	4850	+ }
	4851	+ }
	4852	+ }
3046	4853
3047		- // Add the rest of the conversation history
3048		- foreach ($conversation_history as $message) {
3049		- if (is_array($message) && isset($message['role']) && isset($message['content'])) {
3050		- $role = $message['role'];
	4854	+ return strlen($data);
	4855	+ });
3051	4856
3052		- // Convert roles to supported format
3053		- if ($role === 'bot' || $role === 'agent') {
3054		- $role = 'assistant';
3055		- }
3056		- if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
3057		- $role = 'user';
3058		- }
	4857	+ $response = curl_exec($ch);
	4858	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
3059	4859
3060		- $formatted_conversation[] = array(
3061		- 'role' => $role,
3062		- 'content' => $message['content']
3063		- );
	4860	+ if (curl_errno($ch)) {
	4861	+ curl_close($ch);
	4862	+ throw new Exception('cURL Error: ' . curl_error($ch));
3064	4863	}
3065		- }
3066	4864
3067		- $body = json_encode([
3068		- 'model' => $selected_model,
3069		- 'messages' => $formatted_conversation,
3070		- 'temperature' => 0.8,
3071		- 'stream' => false
3072		- ]);
	4865	+ curl_close($ch);
3073	4866
3074		- $args = [
3075		- 'body' => $body,
3076		- 'headers' => [
3077		- 'Content-Type' => 'application/json',
3078		- 'Authorization' => 'Bearer ' . $api_key,
3079		- ],
3080		- 'timeout' => 60,
3081		- 'redirection' => 5,
3082		- 'blocking' => true,
3083		- 'httpversion' => '1.0',
3084		- 'sslverify' => true,
3085		- ];
	4867	+ if ($http_code !== 200) {
	4868	+ // Fallback to regular response
	4869	+ //error_log("MxChat: Claude streaming failed with HTTP $http_code, falling back");
	4870	+ $regular_response = $this->mxchat_generate_response_claude(
	4871	+ $selected_model,
	4872	+ $claude_api_key,
	4873	+ array_slice($conversation_history, 0, -1), // Remove the added content
	4874	+ $relevant_content
	4875	+ );
	4876	+
	4877	+ $response_data = [
	4878	+ 'text' => $regular_response,
	4879	+ 'html' => '',
	4880	+ 'session_id' => $session_id
	4881	+ ];
	4882	+
	4883	+ if ($testing_data !== null) {
	4884	+ $response_data['testing_data'] = $testing_data;
	4885	+ //error_log("MxChat Testing: Added testing data to Claude error fallback");
	4886	+ }
	4887	+
	4888	+ header('Content-Type: application/json');
	4889	+ echo json_encode($response_data);
	4890	+ return true;
	4891	+ }
3086	4892
3087		- $response = wp_remote_post('https://api.openai.com/v1/chat/completions', $args);
	4893	+ // Save the complete response to maintain chat persistence
	4894	+ if (!empty($full_response) && !empty($session_id)) {
	4895	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	4896	+ }
3088	4897
3089		- if (is_wp_error($response)) {
3090		- //error_log('OpenAI API Error: ' . $response->get_error_message());
3091		- return "Sorry, there was an error processing your request.";
3092		- }
	4898	+ return true; // Indicate streaming completed successfully
3093	4899
3094		- $response_body = wp_remote_retrieve_body($response);
3095		- $decoded_response = json_decode($response_body, true);
3096		-
3097		- if (isset($decoded_response['choices'][0]['message']['content'])) {
3098		- return trim($decoded_response['choices'][0]['message']['content']);
3099		- } else {
3100		- //error_log('OpenAI API Response Format Error: ' . print_r($decoded_response, true));
3101		- return "Sorry, I couldn't process that request.";
	4900	+ } catch (Exception $e) {
	4901	+ //error_log("MxChat Claude streaming exception: " . $e->getMessage());
	4902	+
	4903	+ // Fallback to regular response on exception
	4904	+ $regular_response = $this->mxchat_generate_response_claude(
	4905	+ $selected_model,
	4906	+ $claude_api_key,
	4907	+ $conversation_history,
	4908	+ $relevant_content
	4909	+ );
	4910	+
	4911	+ $response_data = [
	4912	+ 'text' => $regular_response,
	4913	+ 'html' => '',
	4914	+ 'session_id' => $session_id
	4915	+ ];
	4916	+
	4917	+ if ($testing_data !== null) {
	4918	+ $response_data['testing_data'] = $testing_data;
	4919	+ //error_log("MxChat Testing: Added testing data to Claude exception fallback");
	4920	+ }
	4921	+
	4922	+ header('Content-Type: application/json');
	4923	+ echo json_encode($response_data);
	4924	+ return true;
3102	4925	}
3103	4926	}
3104		-private function mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content) {
3105		- // Get system prompt instructions from options
3106		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4927	+private function mxchat_generate_response_xai_stream($selected_model, $xai_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4928	+ try {
	4929	+ // Get bot ID from session or request
	4930	+ $bot_id = $this->get_current_bot_id($session_id);
	4931	+
	4932	+ // Get system prompt instructions using centralized function
	4933	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	4934	+
	4935	+ // Ensure conversation_history is an array
	4936	+ if (!is_array($conversation_history)) {
	4937	+ $conversation_history = array();
	4938	+ }
3107	4939
3108		- // Add system prompt to relevant content
3109		- $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	4940	+ // Format conversation history for X.AI (same as OpenAI format)
	4941	+ $formatted_conversation = array();
3110	4942
3111		- // Prepend system instructions to the conversation history
3112		- array_unshift($conversation_history, [
3113		- 'role' => 'system',
3114		- 'content' => "Here are your instructions: " . $content_with_instructions
3115		- ]);
	4943	+ $formatted_conversation[] = array(
	4944	+ 'role' => 'system',
	4945	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	4946	+ );
3116	4947
3117		- // Ensure consistency: Replace 'bot' and 'agent' roles with supported values
3118		- foreach ($conversation_history as &$message) {
3119		- if ($message['role'] === 'bot') {
3120		- $message['role'] = 'assistant';
3121		- } elseif ($message['role'] === 'agent') {
3122		- // Tag the message as coming from a live agent
3123		- $message['role'] = 'assistant';
3124		- if (!isset($message['metadata'])) {
3125		- $message['metadata'] = ['source' => 'live_agent'];
	4948	+ foreach ($conversation_history as $message) {
	4949	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	4950	+ $role = $message['role'];
	4951	+ if ($role === 'bot' || $role === 'agent') {
	4952	+ $role = 'assistant';
	4953	+ }
	4954	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	4955	+ $role = 'user';
	4956	+ }
	4957	+ $formatted_conversation[] = array(
	4958	+ 'role' => $role,
	4959	+ 'content' => $message['content']
	4960	+ );
3126	4961	}
3127	4962	}
3128	4963
3129		- // Ensure all roles are valid
3130		- if (!in_array($message['role'], ['system', 'assistant', 'user', 'function', 'tool'])) {
3131		- $message['role'] = 'user'; // Default to 'user'
	4964	+ // Check if we can actually stream
	4965	+ if (headers_sent() || !function_exists('curl_init')) {
	4966	+ // Fallback to regular response with testing data
	4967	+ //error_log("MxChat: X.AI streaming not possible, falling back to regular response");
	4968	+ $regular_response = $this->mxchat_generate_response_xai(
	4969	+ $selected_model,
	4970	+ $xai_api_key,
	4971	+ $conversation_history,
	4972	+ $relevant_content
	4973	+ );
	4974	+
	4975	+ $response_data = [
	4976	+ 'text' => $regular_response,
	4977	+ 'html' => '',
	4978	+ 'session_id' => $session_id
	4979	+ ];
	4980	+
	4981	+ if ($testing_data !== null) {
	4982	+ $response_data['testing_data'] = $testing_data;
	4983	+ //error_log("MxChat Testing: Added testing data to X.AI fallback response");
	4984	+ }
	4985	+
	4986	+ header('Content-Type: application/json');
	4987	+ echo json_encode($response_data);
	4988	+ return true;
3132	4989	}
	4990	+
	4991	+ // Prepare the request body with stream: true
	4992	+ $body = json_encode([
	4993	+ 'model' => $selected_model,
	4994	+ 'messages' => $formatted_conversation,
	4995	+ 'temperature' => 0.8,
	4996	+ 'stream' => true
	4997	+ ]);
	4998	+
	4999	+ // Use cURL for streaming support
	5000	+ $ch = curl_init();
	5001	+ curl_setopt($ch, CURLOPT_URL, 'https://api.x.ai/v1/chat/completions');
	5002	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	5003	+ curl_setopt($ch, CURLOPT_POST, true);
	5004	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	5005	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	5006	+ 'Content-Type: application/json',
	5007	+ 'Authorization: Bearer ' . $xai_api_key
	5008	+ ));
	5009	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	5010	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	5011	+
	5012	+ $full_response = ''; // Accumulate full response for saving
	5013	+ $stream_started = false;
	5014	+
	5015	+ // Buffer control for real-time streaming
	5016	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	5017	+ // Send testing data as the first event if available
	5018	+ if (!$stream_started && $testing_data !== null) {
	5019	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	5020	+ flush();
	5021	+ $stream_started = true;
	5022	+ //error_log("MxChat Testing: Sent testing data in X.AI stream");
	5023	+ }
	5024	+
	5025	+ // Process each chunk of data
	5026	+ $lines = explode("\n", $data);
	5027	+
	5028	+ foreach ($lines as $line) {
	5029	+ if (trim($line) === '' || strpos($line, 'data: ') !== 0) {
	5030	+ continue;
	5031	+ }
	5032	+
	5033	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	5034	+
	5035	+ if ($json_str === '[DONE]') {
	5036	+ echo "data: [DONE]\n\n";
	5037	+ flush();
	5038	+ continue;
	5039	+ }
	5040	+
	5041	+ $json = json_decode($json_str, true);
	5042	+ if (isset($json['choices'][0]['delta']['content'])) {
	5043	+ $content = $json['choices'][0]['delta']['content'];
	5044	+ $full_response .= $content; // Accumulate
	5045	+ // Send as SSE format
	5046	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	5047	+ flush();
	5048	+ }
	5049	+ }
	5050	+
	5051	+ return strlen($data);
	5052	+ });
	5053	+
	5054	+ $response = curl_exec($ch);
	5055	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	5056	+
	5057	+ if (curl_errno($ch) || $http_code !== 200) {
	5058	+ curl_close($ch);
	5059	+
	5060	+ // Fallback to regular response
	5061	+ //error_log("MxChat: X.AI streaming failed, falling back");
	5062	+ $regular_response = $this->mxchat_generate_response_xai(
	5063	+ $selected_model,
	5064	+ $xai_api_key,
	5065	+ $conversation_history,
	5066	+ $relevant_content
	5067	+ );
	5068	+
	5069	+ $response_data = [
	5070	+ 'text' => $regular_response,
	5071	+ 'html' => '',
	5072	+ 'session_id' => $session_id
	5073	+ ];
	5074	+
	5075	+ if ($testing_data !== null) {
	5076	+ $response_data['testing_data'] = $testing_data;
	5077	+ //error_log("MxChat Testing: Added testing data to X.AI error fallback");
	5078	+ }
	5079	+
	5080	+ header('Content-Type: application/json');
	5081	+ echo json_encode($response_data);
	5082	+ return true;
	5083	+ }
	5084	+
	5085	+ curl_close($ch);
	5086	+
	5087	+ // Save the complete response to maintain chat persistence
	5088	+ if (!empty($full_response) && !empty($session_id)) {
	5089	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	5090	+ }
	5091	+
	5092	+ return true; // Indicate streaming completed successfully
	5093	+
	5094	+ } catch (Exception $e) {
	5095	+ //error_log("MxChat X.AI streaming exception: " . $e->getMessage());
	5096	+
	5097	+ // Fallback to regular response
	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'] = $testing_data;
	5113	+ //error_log("MxChat Testing: Added testing data to X.AI exception fallback");
	5114	+ }
	5115	+
	5116	+ header('Content-Type: application/json');
	5117	+ echo json_encode($response_data);
	5118	+ return true;
3133	5119	}
	5120	+}
	5121	+private function mxchat_generate_response_deepseek_stream($selected_model, $deepseek_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	5122	+ try {
	5123	+ // Get bot ID from session or request
	5124	+ $bot_id = $this->get_current_bot_id($session_id);
	5125	+
	5126	+ // Get system prompt instructions using centralized function
	5127	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	5128	+
	5129	+ // Ensure conversation_history is an array
	5130	+ if (!is_array($conversation_history)) {
	5131	+ $conversation_history = array();
	5132	+ }
3134	5133
	5134	+ // Format conversation history for DeepSeek
	5135	+ $formatted_conversation = array();
3135	5136
3136		- // Build the request body
3137		- $body = json_encode([
3138		- 'model' => $selected_model,
3139		- 'messages' => $conversation_history,
3140		- 'temperature' => 0.8,
3141		- 'stream' => false
3142		- ]);
	5137	+ $formatted_conversation[] = array(
	5138	+ 'role' => 'system',
	5139	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	5140	+ );
3143	5141
3144		- // Set up the API request
3145		- $args = [
3146		- 'body' => $body,
3147		- 'headers' => [
3148		- 'Content-Type' => 'application/json',
3149		- 'Authorization' => 'Bearer ' . $xai_api_key,
3150		- ],
3151		- 'timeout' => 60,
3152		- 'redirection' => 5,
3153		- 'blocking' => true,
3154		- 'httpversion' => '1.0',
3155		- 'sslverify' => true,
3156		- ];
	5142	+ foreach ($conversation_history as $message) {
	5143	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	5144	+ $role = $message['role'];
	5145	+ if ($role === 'bot' || $role === 'agent') {
	5146	+ $role = 'assistant';
	5147	+ }
	5148	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	5149	+ $role = 'user';
	5150	+ }
	5151	+ $formatted_conversation[] = array(
	5152	+ 'role' => $role,
	5153	+ 'content' => $message['content']
	5154	+ );
	5155	+ }
	5156	+ }
3157	5157
3158		- // Make the API request
3159		- $response = wp_remote_post('https://api.x.ai/v1/chat/completions', $args);
	5158	+ // Check if we can actually stream
	5159	+ if (headers_sent() || !function_exists('curl_init')) {
	5160	+ // Fallback to regular response with testing data
	5161	+ //error_log("MxChat: DeepSeek streaming not possible, falling back to regular response");
	5162	+ $regular_response = $this->mxchat_generate_response_deepseek(
	5163	+ $selected_model,
	5164	+ $deepseek_api_key,
	5165	+ $conversation_history,
	5166	+ $relevant_content
	5167	+ );
	5168	+
	5169	+ $response_data = [
	5170	+ 'text' => $regular_response,
	5171	+ 'html' => '',
	5172	+ 'session_id' => $session_id
	5173	+ ];
	5174	+
	5175	+ if ($testing_data !== null) {
	5176	+ $response_data['testing_data'] = $testing_data;
	5177	+ //error_log("MxChat Testing: Added testing data to DeepSeek fallback response");
	5178	+ }
	5179	+
	5180	+ header('Content-Type: application/json');
	5181	+ echo json_encode($response_data);
	5182	+ return true;
	5183	+ }
3160	5184
3161		- // Process the response
3162		- if (is_wp_error($response)) {
3163		- return "Sorry, there was an error processing your request.";
3164		- }
	5185	+ // Prepare the request body with stream: true
	5186	+ $body = json_encode([
	5187	+ 'model' => $selected_model,
	5188	+ 'messages' => $formatted_conversation,
	5189	+ 'temperature' => 0.8,
	5190	+ 'stream' => true
	5191	+ ]);
3165	5192
3166		- $response_body = json_decode(wp_remote_retrieve_body($response), true);
3167		-
3168		- if (isset($response_body['choices'][0]['message']['content'])) {
3169		- return trim($response_body['choices'][0]['message']['content']);
3170		- } else {
3171		- return "Sorry, I couldn't process that request.";
	5193	+ // Use cURL for streaming support
	5194	+ $ch = curl_init();
	5195	+ curl_setopt($ch, CURLOPT_URL, 'https://api.deepseek.com/v1/chat/completions');
	5196	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	5197	+ curl_setopt($ch, CURLOPT_POST, true);
	5198	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	5199	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	5200	+ 'Content-Type: application/json',
	5201	+ 'Authorization: Bearer ' . $deepseek_api_key
	5202	+ ));
	5203	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	5204	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	5205	+
	5206	+ $full_response = ''; // Accumulate full response for saving
	5207	+ $stream_started = false;
	5208	+
	5209	+ // Buffer control for real-time streaming
	5210	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	5211	+ // Send testing data as the first event if available
	5212	+ if (!$stream_started && $testing_data !== null) {
	5213	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	5214	+ flush();
	5215	+ $stream_started = true;
	5216	+ //error_log("MxChat Testing: Sent testing data in DeepSeek stream");
	5217	+ }
	5218	+
	5219	+ // Process each chunk of data
	5220	+ $lines = explode("\n", $data);
	5221	+
	5222	+ foreach ($lines as $line) {
	5223	+ if (trim($line) === '' || strpos($line, 'data: ') !== 0) {
	5224	+ continue;
	5225	+ }
	5226	+
	5227	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	5228	+
	5229	+ if ($json_str === '[DONE]') {
	5230	+ echo "data: [DONE]\n\n";
	5231	+ flush();
	5232	+ continue;
	5233	+ }
	5234	+
	5235	+ $json = json_decode($json_str, true);
	5236	+ if (isset($json['choices'][0]['delta']['content'])) {
	5237	+ $content = $json['choices'][0]['delta']['content'];
	5238	+ $full_response .= $content; // Accumulate
	5239	+ // Send as SSE format
	5240	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	5241	+ flush();
	5242	+ }
	5243	+ }
	5244	+
	5245	+ return strlen($data);
	5246	+ });
	5247	+
	5248	+ $response = curl_exec($ch);
	5249	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	5250	+
	5251	+ if (curl_errno($ch) || $http_code !== 200) {
	5252	+ $curl_error = curl_error($ch);
	5253	+ curl_close($ch);
	5254	+
	5255	+ // Log the specific error for debugging
	5256	+ //error_log("MxChat: DeepSeek streaming failed - HTTP: $http_code, cURL: $curl_error");
	5257	+
	5258	+ // Fallback to regular response
	5259	+ $regular_response = $this->mxchat_generate_response_deepseek(
	5260	+ $selected_model,
	5261	+ $deepseek_api_key,
	5262	+ $conversation_history,
	5263	+ $relevant_content
	5264	+ );
	5265	+
	5266	+ // Handle error response from regular function
	5267	+ if (is_array($regular_response) && isset($regular_response['error'])) {
	5268	+ if ($testing_data !== null) {
	5269	+ $regular_response['testing_data'] = $testing_data;
	5270	+ }
	5271	+ header('Content-Type: application/json');
	5272	+ echo json_encode($regular_response);
	5273	+ return true;
	5274	+ }
	5275	+
	5276	+ $response_data = [
	5277	+ 'text' => $regular_response,
	5278	+ 'html' => '',
	5279	+ 'session_id' => $session_id
	5280	+ ];
	5281	+
	5282	+ if ($testing_data !== null) {
	5283	+ $response_data['testing_data'] = $testing_data;
	5284	+ //error_log("MxChat Testing: Added testing data to DeepSeek error fallback");
	5285	+ }
	5286	+
	5287	+ header('Content-Type: application/json');
	5288	+ echo json_encode($response_data);
	5289	+ return true;
	5290	+ }
	5291	+
	5292	+ curl_close($ch);
	5293	+
	5294	+ // Save the complete response to maintain chat persistence
	5295	+ if (!empty($full_response) && !empty($session_id)) {
	5296	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	5297	+ }
	5298	+
	5299	+ return true; // Indicate streaming completed successfully
	5300	+
	5301	+ } catch (Exception $e) {
	5302	+ //error_log("MxChat DeepSeek streaming exception: " . $e->getMessage());
	5303	+
	5304	+ // Fallback to regular response
	5305	+ $regular_response = $this->mxchat_generate_response_deepseek(
	5306	+ $selected_model,
	5307	+ $deepseek_api_key,
	5308	+ $conversation_history,
	5309	+ $relevant_content
	5310	+ );
	5311	+
	5312	+ // Handle error response from regular function
	5313	+ if (is_array($regular_response) && isset($regular_response['error'])) {
	5314	+ if ($testing_data !== null) {
	5315	+ $regular_response['testing_data'] = $testing_data;
	5316	+ }
	5317	+ header('Content-Type: application/json');
	5318	+ echo json_encode($regular_response);
	5319	+ return true;
	5320	+ }
	5321	+
	5322	+ $response_data = [
	5323	+ 'text' => $regular_response,
	5324	+ 'html' => '',
	5325	+ 'session_id' => $session_id
	5326	+ ];
	5327	+
	5328	+ if ($testing_data !== null) {
	5329	+ $response_data['testing_data'] = $testing_data;
	5330	+ //error_log("MxChat Testing: Added testing data to DeepSeek exception fallback");
	5331	+ }
	5332	+
	5333	+ header('Content-Type: application/json');
	5334	+ echo json_encode($response_data);
	5335	+ return true;
3172	5336	}
3173	5337	}
3174	5338
3175	5339	private function mxchat_generate_response_claude($selected_model, $claude_api_key, $conversation_history, $relevant_content) {
3176		- // Get system prompt instructions from options
3177		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
3178		-
	5340	+
	5341	+ // Get bot ID from session or request
	5342	+ $bot_id = $this->get_current_bot_id($session_id);
	5343	+
	5344	+ // Get system prompt instructions using centralized function
	5345	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	5346	+
3179	5347	// Clean and validate conversation history
3180	5348	foreach ($conversation_history as &$message) {
3181	5349	// Convert bot and agent roles to assistant
3182	5350	if ($message['role'] === 'bot' || $message['role'] === 'agent') {
		@@ -3271,8 +5439,796 @@
3271	5439	// Log unexpected response format
3272	5440	//error_log("Claude API unexpected response format: " . print_r($response_body, true));
3273	5441	return "Sorry, I received an unexpected response format from the API.";
3274	5442	}
	5443	+private function mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content) {
	5444	+ try {
	5445	+ // Ensure conversation_history is an array
	5446	+ if (!is_array($conversation_history)) {
	5447	+ $conversation_history = array();
	5448	+ }
	5449	+
	5450	+ // Get bot ID from session or request
	5451	+ $bot_id = $this->get_current_bot_id($session_id);
	5452	+
	5453	+ // Get system prompt instructions using centralized function
	5454	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	5455	+
	5456	+ // Create a new array for the formatted conversation
	5457	+ $formatted_conversation = array();
	5458	+
	5459	+ // Add system message first
	5460	+ $formatted_conversation[] = array(
	5461	+ 'role' => 'system',
	5462	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	5463	+ );
	5464	+
	5465	+ // Add the rest of the conversation history
	5466	+ foreach ($conversation_history as $message) {
	5467	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	5468	+ $role = $message['role'];
	5469	+
	5470	+ // Convert roles to supported format
	5471	+ if ($role === 'bot' || $role === 'agent') {
	5472	+ $role = 'assistant';
	5473	+ }
	5474	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	5475	+ $role = 'user';
	5476	+ }
	5477	+
	5478	+ $formatted_conversation[] = array(
	5479	+ 'role' => $role,
	5480	+ 'content' => $message['content']
	5481	+ );
	5482	+ }
	5483	+ }
	5484	+
	5485	+ $body = json_encode([
	5486	+ 'model' => $selected_model,
	5487	+ 'messages' => $formatted_conversation,
	5488	+ 'temperature' => 1,
	5489	+ 'stream' => false
	5490	+ ]);
	5491	+
	5492	+ $args = [
	5493	+ 'body' => $body,
	5494	+ 'headers' => [
	5495	+ 'Content-Type' => 'application/json',
	5496	+ 'Authorization' => 'Bearer ' . $api_key,
	5497	+ ],
	5498	+ 'timeout' => 60,
	5499	+ 'redirection' => 5,
	5500	+ 'blocking' => true,
	5501	+ 'httpversion' => '1.0',
	5502	+ 'sslverify' => true,
	5503	+ ];
	5504	+
	5505	+ $response = wp_remote_post('https://api.openai.com/v1/chat/completions', $args);
	5506	+
	5507	+ if (is_wp_error($response)) {
	5508	+ $error_message = $response->get_error_message();
	5509	+ //error_log('OpenAI API Error: ' . $error_message);
	5510	+ return [
	5511	+ 'error' => esc_html__('Connection error when contacting OpenAI: ', 'mxchat') . esc_html($error_message),
	5512	+ 'error_code' => 'openai_connection_error',
	5513	+ 'provider' => 'openai'
	5514	+ ];
	5515	+ }
	5516	+
	5517	+ $status_code = wp_remote_retrieve_response_code($response);
	5518	+ if ($status_code !== 200) {
	5519	+ $response_body = wp_remote_retrieve_body($response);
	5520	+ $decoded_response = json_decode($response_body, true);
	5521	+
	5522	+ $error_message = isset($decoded_response['error']['message'])
	5523	+ ? $decoded_response['error']['message']
	5524	+ : 'HTTP Error ' . $status_code;
	5525	+
	5526	+ $error_type = isset($decoded_response['error']['type'])
	5527	+ ? $decoded_response['error']['type']
	5528	+ : 'unknown';
	5529	+
	5530	+ //error_log('OpenAI API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5531	+
	5532	+ // Handle specific error types
	5533	+ switch ($error_type) {
	5534	+ case 'invalid_request_error':
	5535	+ if (strpos($error_message, 'API key') !== false) {
	5536	+ return [
	5537	+ 'error' => esc_html__('Invalid OpenAI API key. Please check your API key configuration.', 'mxchat'),
	5538	+ 'error_code' => 'openai_invalid_api_key',
	5539	+ 'provider' => 'openai'
	5540	+ ];
	5541	+ }
	5542	+ break;
	5543	+
	5544	+ case 'authentication_error':
	5545	+ return [
	5546	+ 'error' => esc_html__('Authentication failed with OpenAI. Please check your API key.', 'mxchat'),
	5547	+ 'error_code' => 'openai_auth_error',
	5548	+ 'provider' => 'openai'
	5549	+ ];
	5550	+
	5551	+ case 'rate_limit_exceeded':
	5552	+ return [
	5553	+ 'error' => esc_html__('OpenAI rate limit exceeded. Please try again later.', 'mxchat'),
	5554	+ 'error_code' => 'openai_rate_limit',
	5555	+ 'provider' => 'openai'
	5556	+ ];
	5557	+
	5558	+ case 'quota_exceeded':
	5559	+ return [
	5560	+ 'error' => esc_html__('OpenAI API quota exceeded. Please check your billing details.', 'mxchat'),
	5561	+ 'error_code' => 'openai_quota_exceeded',
	5562	+ 'provider' => 'openai'
	5563	+ ];
	5564	+ }
	5565	+
	5566	+ // Generic error fallback
	5567	+ return [
	5568	+ 'error' => esc_html__('OpenAI API error: ', 'mxchat') . esc_html($error_message),
	5569	+ 'error_code' => 'openai_api_error',
	5570	+ 'provider' => 'openai',
	5571	+ 'status_code' => $status_code
	5572	+ ];
	5573	+ }
	5574	+
	5575	+ $response_body = wp_remote_retrieve_body($response);
	5576	+ $decoded_response = json_decode($response_body, true);
	5577	+
	5578	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5579	+ return trim($decoded_response['choices'][0]['message']['content']);
	5580	+ } else {
	5581	+ //error_log('OpenAI API Response Format Error: ' . print_r($decoded_response, true));
	5582	+ return [
	5583	+ 'error' => esc_html__('Unexpected response format from OpenAI.', 'mxchat'),
	5584	+ 'error_code' => 'openai_response_format_error',
	5585	+ 'provider' => 'openai'
	5586	+ ];
	5587	+ }
	5588	+ } catch (Exception $e) {
	5589	+ //error_log('OpenAI Exception: ' . $e->getMessage());
	5590	+ return [
	5591	+ 'error' => esc_html__('System error when processing OpenAI request: ', 'mxchat') . esc_html($e->getMessage()),
	5592	+ 'error_code' => 'openai_exception',
	5593	+ 'provider' => 'openai'
	5594	+ ];
	5595	+ }
	5596	+}
	5597	+private function mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content) {
	5598	+ try {
	5599	+ // Get bot ID from session or request
	5600	+ $bot_id = $this->get_current_bot_id($session_id);
	5601	+
	5602	+ // Get system prompt instructions using centralized function
	5603	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	5604	+
	5605	+ // Add system prompt to relevant content
	5606	+ $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	5607	+
	5608	+ // Prepend system instructions to the conversation history
	5609	+ array_unshift($conversation_history, [
	5610	+ 'role' => 'system',
	5611	+ 'content' => "Here are your instructions: " . $content_with_instructions
	5612	+ ]);
	5613	+
	5614	+ // Ensure consistency: Replace 'bot' and 'agent' roles with supported values
	5615	+ foreach ($conversation_history as &$message) {
	5616	+ if ($message['role'] === 'bot') {
	5617	+ $message['role'] = 'assistant';
	5618	+ } elseif ($message['role'] === 'agent') {
	5619	+ // Tag the message as coming from a live agent
	5620	+ $message['role'] = 'assistant';
	5621	+ if (!isset($message['metadata'])) {
	5622	+ $message['metadata'] = ['source' => 'live_agent'];
	5623	+ }
	5624	+ }
	5625	+
	5626	+ // Ensure all roles are valid
	5627	+ if (!in_array($message['role'], ['system', 'assistant', 'user', 'function', 'tool'])) {
	5628	+ $message['role'] = 'user'; // Default to 'user'
	5629	+ }
	5630	+ }
	5631	+
	5632	+ // Build the request body
	5633	+ $body = json_encode([
	5634	+ 'model' => $selected_model,
	5635	+ 'messages' => $conversation_history,
	5636	+ 'temperature' => 0.8,
	5637	+ 'stream' => false
	5638	+ ]);
	5639	+
	5640	+ // Set up the API request
	5641	+ $args = [
	5642	+ 'body' => $body,
	5643	+ 'headers' => [
	5644	+ 'Content-Type' => 'application/json',
	5645	+ 'Authorization' => 'Bearer ' . $xai_api_key,
	5646	+ ],
	5647	+ 'timeout' => 60,
	5648	+ 'redirection' => 5,
	5649	+ 'blocking' => true,
	5650	+ 'httpversion' => '1.0',
	5651	+ 'sslverify' => true,
	5652	+ ];
	5653	+
	5654	+ // Make the API request
	5655	+ $response = wp_remote_post('https://api.x.ai/v1/chat/completions', $args);
	5656	+
	5657	+ // Process the response
	5658	+ if (is_wp_error($response)) {
	5659	+ $error_message = $response->get_error_message();
	5660	+ //error_log('X.AI API Error: ' . $error_message);
	5661	+ return [
	5662	+ 'error' => esc_html__('Connection error when contacting X.AI: ', 'mxchat') . esc_html($error_message),
	5663	+ 'error_code' => 'xai_connection_error',
	5664	+ 'provider' => 'xai'
	5665	+ ];
	5666	+ }
	5667	+
	5668	+ $status_code = wp_remote_retrieve_response_code($response);
	5669	+ if ($status_code !== 200) {
	5670	+ $response_body = wp_remote_retrieve_body($response);
	5671	+ $decoded_response = json_decode($response_body, true);
	5672	+
	5673	+ // Log the full response for debugging
	5674	+ //error_log('X.AI Error Response: ' . print_r($decoded_response, true));
	5675	+
	5676	+ // Extract error message from X.AI's specific format
	5677	+ $error_message = '';
	5678	+
	5679	+ // Check for direct error string (as seen in your logs)
	5680	+ if (isset($decoded_response['error']) && is_string($decoded_response['error'])) {
	5681	+ $error_message = $decoded_response['error'];
	5682	+ }
	5683	+ // Check for nested error object (OpenAI style)
	5684	+ elseif (isset($decoded_response['error']['message'])) {
	5685	+ $error_message = $decoded_response['error']['message'];
	5686	+ }
	5687	+ // Check for top-level message
	5688	+ elseif (isset($decoded_response['message'])) {
	5689	+ $error_message = $decoded_response['message'];
	5690	+ }
	5691	+ // Fallback
	5692	+ else {
	5693	+ $error_message = 'HTTP Error ' . $status_code;
	5694	+ }
	5695	+
	5696	+ //error_log('X.AI API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5697	+
	5698	+ // Check for API key errors using string matching
	5699	+ if (stripos($error_message, 'api key') !== false ||
	5700	+ stripos($error_message, 'incorrect api key') !== false ||
	5701	+ stripos($error_message, 'invalid api key') !== false) {
	5702	+ return [
	5703	+ 'error' => esc_html__('Invalid X.AI API key. Please check your API key configuration.', 'mxchat'),
	5704	+ 'error_code' => 'xai_invalid_api_key',
	5705	+ 'provider' => 'xai'
	5706	+ ];
	5707	+ }
	5708	+
	5709	+ // Authentication errors
	5710	+ if ($status_code === 401 || $status_code === 403 ||
	5711	+ stripos($error_message, 'auth') !== false) {
	5712	+ return [
	5713	+ 'error' => esc_html__('Authentication failed with X.AI. Please check your API key.', 'mxchat'),
	5714	+ 'error_code' => 'xai_auth_error',
	5715	+ 'provider' => 'xai'
	5716	+ ];
	5717	+ }
	5718	+
	5719	+ // Model errors
	5720	+ if (stripos($error_message, 'model') !== false) {
	5721	+ return [
	5722	+ 'error' => esc_html__('Invalid model specified for X.AI. Please check your model configuration.', 'mxchat'),
	5723	+ 'error_code' => 'xai_invalid_model',
	5724	+ 'provider' => 'xai'
	5725	+ ];
	5726	+ }
	5727	+
	5728	+ // Rate limit errors
	5729	+ if ($status_code === 429 ||
	5730	+ stripos($error_message, 'rate') !== false ||
	5731	+ stripos($error_message, 'limit') !== false) {
	5732	+ return [
	5733	+ 'error' => esc_html__('X.AI rate limit exceeded. Please try again later.', 'mxchat'),
	5734	+ 'error_code' => 'xai_rate_limit',
	5735	+ 'provider' => 'xai'
	5736	+ ];
	5737	+ }
	5738	+
	5739	+ // Quota errors
	5740	+ if (stripos($error_message, 'quota') !== false ||
	5741	+ stripos($error_message, 'billing') !== false) {
	5742	+ return [
	5743	+ 'error' => esc_html__('X.AI API quota exceeded. Please check your billing details.', 'mxchat'),
	5744	+ 'error_code' => 'xai_quota_exceeded',
	5745	+ 'provider' => 'xai'
	5746	+ ];
	5747	+ }
	5748	+
	5749	+ // Server errors
	5750	+ if ($status_code >= 500) {
	5751	+ return [
	5752	+ 'error' => esc_html__('X.AI service is currently unavailable. Please try again later.', 'mxchat'),
	5753	+ 'error_code' => 'xai_service_unavailable',
	5754	+ 'provider' => 'xai'
	5755	+ ];
	5756	+ }
	5757	+
	5758	+ // Generic error fallback with the actual error message
	5759	+ return [
	5760	+ 'error' => esc_html__('X.AI API error: ', 'mxchat') . esc_html($error_message),
	5761	+ 'error_code' => 'xai_api_error',
	5762	+ 'provider' => 'xai',
	5763	+ 'status_code' => $status_code
	5764	+ ];
	5765	+ }
	5766	+
	5767	+ $response_body = wp_remote_retrieve_body($response);
	5768	+ $decoded_response = json_decode($response_body, true);
	5769	+
	5770	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5771	+ return trim($decoded_response['choices'][0]['message']['content']);
	5772	+ } else {
	5773	+ //error_log('X.AI API Response Format Error: ' . print_r($decoded_response, true));
	5774	+ return [
	5775	+ 'error' => esc_html__('Unexpected response format from X.AI.', 'mxchat'),
	5776	+ 'error_code' => 'xai_response_format_error',
	5777	+ 'provider' => 'xai'
	5778	+ ];
	5779	+ }
	5780	+} catch (Exception $e) {
	5781	+ //error_log('X.AI Exception: ' . $e->getMessage());
	5782	+ return [
	5783	+ 'error' => esc_html__('System error when processing X.AI request: ', 'mxchat') . esc_html($e->getMessage()),
	5784	+ 'error_code' => 'xai_exception',
	5785	+ 'provider' => 'xai'
	5786	+ ];
	5787	+}
	5788	+
	5789	+
	5790	+}
	5791	+private function mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content) {
	5792	+ try {
	5793	+ // Ensure conversation_history is an array
	5794	+ if (!is_array($conversation_history)) {
	5795	+ $conversation_history = array();
	5796	+ }
	5797	+
	5798	+ // Get bot ID from session or request
	5799	+ $bot_id = $this->get_current_bot_id($session_id);
	5800	+
	5801	+ // Get system prompt instructions using centralized function
	5802	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	5803	+
	5804	+ // Create a new array for the formatted conversation
	5805	+ $formatted_conversation = array();
	5806	+
	5807	+ // Add system message first
	5808	+ $formatted_conversation[] = array(
	5809	+ 'role' => 'system',
	5810	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	5811	+ );
	5812	+
	5813	+ // Add the rest of the conversation history
	5814	+ foreach ($conversation_history as $message) {
	5815	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	5816	+ $role = $message['role'];
	5817	+
	5818	+ // Convert roles to supported format
	5819	+ if ($role === 'bot' || $role === 'agent') {
	5820	+ $role = 'assistant';
	5821	+ }
	5822	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	5823	+ $role = 'user';
	5824	+ }
	5825	+
	5826	+ $formatted_conversation[] = array(
	5827	+ 'role' => $role,
	5828	+ 'content' => $message['content']
	5829	+ );
	5830	+ }
	5831	+ }
	5832	+
	5833	+ $body = json_encode([
	5834	+ 'model' => $selected_model,
	5835	+ 'messages' => $formatted_conversation,
	5836	+ 'temperature' => 0.8,
	5837	+ 'stream' => false
	5838	+ ]);
	5839	+
	5840	+ $args = [
	5841	+ 'body' => $body,
	5842	+ 'headers' => [
	5843	+ 'Content-Type' => 'application/json',
	5844	+ 'Authorization' => 'Bearer ' . $deepseek_api_key,
	5845	+ ],
	5846	+ 'timeout' => 60,
	5847	+ 'redirection' => 5,
	5848	+ 'blocking' => true,
	5849	+ 'httpversion' => '1.0',
	5850	+ 'sslverify' => true,
	5851	+ ];
	5852	+
	5853	+ $response = wp_remote_post('https://api.deepseek.com/v1/chat/completions', $args);
	5854	+
	5855	+ if (is_wp_error($response)) {
	5856	+ $error_message = $response->get_error_message();
	5857	+ //error_log('DeepSeek API Error: ' . $error_message);
	5858	+ return [
	5859	+ 'error' => esc_html__('Connection error when contacting DeepSeek: ', 'mxchat') . esc_html($error_message),
	5860	+ 'error_code' => 'deepseek_connection_error',
	5861	+ 'provider' => 'deepseek'
	5862	+ ];
	5863	+ }
	5864	+
	5865	+ $status_code = wp_remote_retrieve_response_code($response);
	5866	+ if ($status_code !== 200) {
	5867	+ $response_body = wp_remote_retrieve_body($response);
	5868	+ $decoded_response = json_decode($response_body, true);
	5869	+
	5870	+ $error_message = isset($decoded_response['error']['message'])
	5871	+ ? $decoded_response['error']['message']
	5872	+ : 'HTTP Error ' . $status_code;
	5873	+
	5874	+ $error_type = isset($decoded_response['error']['type'])
	5875	+ ? $decoded_response['error']['type']
	5876	+ : 'unknown';
	5877	+
	5878	+ //error_log('DeepSeek API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5879	+
	5880	+ // Handle specific error types
	5881	+ switch ($status_code) {
	5882	+ case 401:
	5883	+ return [
	5884	+ 'error' => esc_html__('Authentication failed with DeepSeek. Please check your API key.', 'mxchat'),
	5885	+ 'error_code' => 'deepseek_auth_error',
	5886	+ 'provider' => 'deepseek'
	5887	+ ];
	5888	+
	5889	+ case 400:
	5890	+ if (strpos($error_message, 'API key') !== false) {
	5891	+ return [
	5892	+ 'error' => esc_html__('Invalid DeepSeek API key. Please check your API key configuration.', 'mxchat'),
	5893	+ 'error_code' => 'deepseek_invalid_api_key',
	5894	+ 'provider' => 'deepseek'
	5895	+ ];
	5896	+ }
	5897	+ break;
	5898	+
	5899	+ case 429:
	5900	+ if (strpos($error_message, 'quota') !== false) {
	5901	+ return [
	5902	+ 'error' => esc_html__('DeepSeek API quota exceeded. Please check your billing details.', 'mxchat'),
	5903	+ 'error_code' => 'deepseek_quota_exceeded',
	5904	+ 'provider' => 'deepseek'
	5905	+ ];
	5906	+ } else {
	5907	+ return [
	5908	+ 'error' => esc_html__('DeepSeek rate limit exceeded. Please try again later.', 'mxchat'),
	5909	+ 'error_code' => 'deepseek_rate_limit',
	5910	+ 'provider' => 'deepseek'
	5911	+ ];
	5912	+ }
	5913	+
	5914	+ case 500:
	5915	+ case 502:
	5916	+ case 503:
	5917	+ case 504:
	5918	+ return [
	5919	+ 'error' => esc_html__('DeepSeek service is currently unavailable. Please try again later.', 'mxchat'),
	5920	+ 'error_code' => 'deepseek_service_unavailable',
	5921	+ 'provider' => 'deepseek'
	5922	+ ];
	5923	+ }
	5924	+
	5925	+ // Generic error fallback
	5926	+ return [
	5927	+ 'error' => esc_html__('DeepSeek API error: ', 'mxchat') . esc_html($error_message),
	5928	+ 'error_code' => 'deepseek_api_error',
	5929	+ 'provider' => 'deepseek',
	5930	+ 'status_code' => $status_code
	5931	+ ];
	5932	+ }
	5933	+
	5934	+ $response_body = wp_remote_retrieve_body($response);
	5935	+ $decoded_response = json_decode($response_body, true);
	5936	+
	5937	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5938	+ return trim($decoded_response['choices'][0]['message']['content']);
	5939	+ } else {
	5940	+ //error_log('DeepSeek API Response Format Error: ' . print_r($decoded_response, true));
	5941	+ return [
	5942	+ 'error' => esc_html__('Unexpected response format from DeepSeek.', 'mxchat'),
	5943	+ 'error_code' => 'deepseek_response_format_error',
	5944	+ 'provider' => 'deepseek'
	5945	+ ];
	5946	+ }
	5947	+ } catch (Exception $e) {
	5948	+ //error_log('DeepSeek Exception: ' . $e->getMessage());
	5949	+ return [
	5950	+ 'error' => esc_html__('System error when processing DeepSeek request: ', 'mxchat') . esc_html($e->getMessage()),
	5951	+ 'error_code' => 'deepseek_exception',
	5952	+ 'provider' => 'deepseek'
	5953	+ ];
	5954	+ }
	5955	+}
	5956	+private function mxchat_generate_response_gemini($selected_model, $gemini_api_key, $conversation_history, $relevant_content) {
	5957	+ // Get bot ID from session or request
	5958	+ $bot_id = $this->get_current_bot_id($session_id);
	5959	+
	5960	+ // Get system prompt instructions using centralized function
	5961	+ $system_prompt_instructions = $this->get_system_instructions($bot_id);
	5962	+
	5963	+ // Add system prompt to relevant content
	5964	+ $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	5965	+
	5966	+ // Format messages for Gemini API
	5967	+ $formatted_messages = [];
	5968	+
	5969	+ // Add system message as the first user message with role prefix
	5970	+ // Note: Gemini doesn't have a dedicated system role, so we use a prefixed user message
	5971	+ $formatted_messages[] = [
	5972	+ 'role' => 'user',
	5973	+ 'parts' => [
	5974	+ ['text' => "[System Instructions] " . $content_with_instructions]
	5975	+ ]
	5976	+ ];
	5977	+
	5978	+ // Add model response to acknowledge system instructions
	5979	+ $formatted_messages[] = [
	5980	+ 'role' => 'model',
	5981	+ 'parts' => [
	5982	+ ['text' => "I understand and will follow these instructions."]
	5983	+ ]
	5984	+ ];
	5985	+
	5986	+ // Process the rest of the conversation history
	5987	+ $current_role = null;
	5988	+ $current_parts = [];
	5989	+
	5990	+ foreach ($conversation_history as $message) {
	5991	+ // Skip the first system message as we already handled it
	5992	+ if ($message['role'] === 'system') {
	5993	+ continue;
	5994	+ }
	5995	+
	5996	+ // Map roles to Gemini format
	5997	+ $gemini_role = '';
	5998	+ if ($message['role'] === 'user') {
	5999	+ $gemini_role = 'user';
	6000	+ } else if (in_array($message['role'], ['assistant', 'bot', 'agent'])) {
	6001	+ $gemini_role = 'model';
	6002	+ } else {
	6003	+ // Skip unsupported roles
	6004	+ continue;
	6005	+ }
	6006	+
	6007	+ // If we have a new role, add the previous message
	6008	+ if ($current_role !== null && $current_role !== $gemini_role && !empty($current_parts)) {
	6009	+ $formatted_messages[] = [
	6010	+ 'role' => $current_role,
	6011	+ 'parts' => $current_parts
	6012	+ ];
	6013	+ $current_parts = [];
	6014	+ }
	6015	+
	6016	+ // Set current role and add text to parts
	6017	+ $current_role = $gemini_role;
	6018	+ $current_parts[] = ['text' => $message['content']];
	6019	+ }
	6020	+
	6021	+ // Add the last message if there's content
	6022	+ if ($current_role !== null && !empty($current_parts)) {
	6023	+ $formatted_messages[] = [
	6024	+ 'role' => $current_role,
	6025	+ 'parts' => $current_parts
	6026	+ ];
	6027	+ }
	6028	+
	6029	+ // Build the request body
	6030	+ $body = json_encode([
	6031	+ 'contents' => $formatted_messages,
	6032	+ 'generationConfig' => [
	6033	+ 'temperature' => 0.7,
	6034	+ 'topP' => 0.95,
	6035	+ 'topK' => 40,
	6036	+ 'maxOutputTokens' => 8192,
	6037	+ ],
	6038	+ 'safetySettings' => [
	6039	+ [
	6040	+ 'category' => 'HARM_CATEGORY_HARASSMENT',
	6041	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	6042	+ ],
	6043	+ [
	6044	+ 'category' => 'HARM_CATEGORY_HATE_SPEECH',
	6045	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	6046	+ ],
	6047	+ [
	6048	+ 'category' => 'HARM_CATEGORY_SEXUALLY_EXPLICIT',
	6049	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	6050	+ ],
	6051	+ [
	6052	+ 'category' => 'HARM_CATEGORY_DANGEROUS_CONTENT',
	6053	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	6054	+ ]
	6055	+ ]
	6056	+ ]);
	6057	+
	6058	+ // Prepare the API endpoint
	6059	+ $api_endpoint = 'https://generativelanguage.googleapis.com/v1/models/' . $selected_model . ':generateContent?key=' . $gemini_api_key;
	6060	+
	6061	+ // Set up the API request
	6062	+ $args = [
	6063	+ 'body' => $body,
	6064	+ 'headers' => [
	6065	+ 'Content-Type' => 'application/json',
	6066	+ ],
	6067	+ 'timeout' => 60,
	6068	+ 'redirection' => 5,
	6069	+ 'blocking' => true,
	6070	+ 'httpversion' => '1.0',
	6071	+ 'sslverify' => true,
	6072	+ ];
	6073	+
	6074	+ // Make the API request
	6075	+ $response = wp_remote_post($api_endpoint, $args);
	6076	+
	6077	+ // Process the response
	6078	+ if (is_wp_error($response)) {
	6079	+ return "Sorry, there was an error processing your request: " . $response->get_error_message();
	6080	+ }
	6081	+
	6082	+ $response_body = json_decode(wp_remote_retrieve_body($response), true);
	6083	+
	6084	+ // Handle potential errors in the response
	6085	+ if (isset($response_body['error'])) {
	6086	+ //error_log('Gemini API Error: ' . json_encode($response_body['error']));
	6087	+ return "Sorry, there was an error with the Gemini API: " .
	6088	+ (isset($response_body['error']['message']) ? $response_body['error']['message'] : 'Unknown error');
	6089	+ }
	6090	+
	6091	+ // Extract the response text
	6092	+ if (isset($response_body['candidates'][0]['content']['parts'][0]['text'])) {
	6093	+ return trim($response_body['candidates'][0]['content']['parts'][0]['text']);
	6094	+ } else {
	6095	+ //error_log('Unexpected Gemini API response format: ' . json_encode($response_body));
	6096	+ return "Sorry, I couldn't process that request. The response format was unexpected.";
	6097	+ }
	6098	+}
	6099	+
	6100	+
	6101	+public function test_streaming_request() {
	6102	+ $options = get_option('mxchat_options', []);
	6103	+ $model = $options['model'] ?? 'gpt-4o';
	6104	+
	6105	+ // Detect provider from model prefix
	6106	+ $provider = strtolower(explode('-', $model)[0]);
	6107	+
	6108	+ $sample_prompt = 'Hello! Can you stream this response back to me?';
	6109	+ $messages = [['role' => 'user', 'content' => $sample_prompt]];
	6110	+ $headers = [];
	6111	+ $body = [];
	6112	+ $url = '';
	6113	+ $api_key = '';
	6114	+
	6115	+ switch ($provider) {
	6116	+ case 'gpt':
	6117	+ case 'o1':
	6118	+ $api_key = $options['api_key'] ?? '';
	6119	+ if (empty($api_key)) return '❌ Missing API key for OpenAI';
	6120	+ $url = 'https://api.openai.com/v1/chat/completions';
	6121	+ $headers = [
	6122	+ 'Content-Type: application/json',
	6123	+ 'Authorization: Bearer ' . $api_key
	6124	+ ];
	6125	+ $body = [
	6126	+ 'model' => $model,
	6127	+ 'messages' => $messages,
	6128	+ 'stream' => true
	6129	+ ];
	6130	+ break;
	6131	+
	6132	+ case 'claude':
	6133	+ $api_key = $options['claude_api_key'] ?? '';
	6134	+ if (empty($api_key)) return '❌ Missing API key for Claude';
	6135	+ $url = 'https://api.anthropic.com/v1/messages';
	6136	+ $headers = [
	6137	+ 'Content-Type: application/json',
	6138	+ 'x-api-key: ' . $api_key,
	6139	+ 'anthropic-version: 2023-06-01'
	6140	+ ];
	6141	+ $body = [
	6142	+ 'model' => $model,
	6143	+ 'messages' => $messages,
	6144	+ 'max_tokens' => 100,
	6145	+ 'stream' => true
	6146	+ ];
	6147	+ break;
	6148	+
	6149	+ case 'grok':
	6150	+ $api_key = $options['xai_api_key'] ?? '';
	6151	+ if (empty($api_key)) return '❌ Missing API key for X.AI';
	6152	+ $url = 'https://api.x.ai/v1/chat/completions';
	6153	+ $headers = [
	6154	+ 'Content-Type: application/json',
	6155	+ 'Authorization: Bearer ' . $api_key
	6156	+ ];
	6157	+ $body = [
	6158	+ 'model' => $model,
	6159	+ 'messages' => $messages,
	6160	+ 'stream' => true
	6161	+ ];
	6162	+ break;
	6163	+
	6164	+ case 'deepseek':
	6165	+ if (empty($deepseek_api_key)) {
	6166	+ $error_response = [
	6167	+ 'error' => esc_html__('DeepSeek API key is not configured', 'mxchat'),
	6168	+ 'error_code' => 'missing_deepseek_api_key'
	6169	+ ];
	6170	+ if ($testing_data !== null) {
	6171	+ $error_response['testing_data'] = $testing_data;
	6172	+ }
	6173	+ return $error_response;
	6174	+ }
	6175	+ if ($streaming) {
	6176	+ return $this->mxchat_generate_response_deepseek_stream(
	6177	+ $selected_model,
	6178	+ $deepseek_api_key,
	6179	+ $conversation_history,
	6180	+ $relevant_content,
	6181	+ $session_id,
	6182	+ $testing_data // Pass testing data
	6183	+ );
	6184	+ } else {
	6185	+ $response = $this->mxchat_generate_response_deepseek(
	6186	+ $selected_model,
	6187	+ $deepseek_api_key,
	6188	+ $conversation_history,
	6189	+ $relevant_content
	6190	+ );
	6191	+ }
	6192	+ break;
	6193	+
	6194	+ case 'gemini':
	6195	+ $api_key = $options['gemini_api_key'] ?? '';
	6196	+ if (empty($api_key)) return '❌ Missing API key for Gemini';
	6197	+ $url = 'https://generativelanguage.googleapis.com/v1beta/models/' . $model . ':streamGenerateContent?key=' . $api_key;
	6198	+ $headers = ['Content-Type: application/json'];
	6199	+ $body = [
	6200	+ 'contents' => [['role' => 'user', 'parts' => [['text' => $sample_prompt]]]],
	6201	+ 'generationConfig' => ['temperature' => 0.7]
	6202	+ ];
	6203	+ break;
	6204	+
	6205	+ default:
	6206	+ return '❌ Unsupported provider: ' . $provider;
	6207	+ }
	6208	+
	6209	+ // Do the actual streaming test
	6210	+ $ch = curl_init($url);
	6211	+ curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($body));
	6212	+ curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
	6213	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	6214	+ curl_setopt($ch, CURLOPT_TIMEOUT, 15);
	6215	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	6216	+
	6217	+ $response = curl_exec($ch);
	6218	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	6219	+ $error = curl_error($ch);
	6220	+ curl_close($ch);
	6221	+
	6222	+ if ($error) return "❌ cURL error: $error";
	6223	+ if ($http_code !== 200) {
	6224	+ $error_message = json_decode($response, true)['error']['message'] ?? 'Unknown';
	6225	+ return "❌ HTTP $http_code: $error_message";
	6226	+ }
	6227	+
	6228	+ return true;
	6229	+}
	6230	+
3275	6231	public function mxchat_dismiss_pre_chat_message() {
3276	6232	// Get and sanitize the user identifier
3277	6233	$user_id = $this->mxchat_get_user_identifier();
3278	6234	$user_id = sanitize_key($user_id);
		@@ -3326,13 +6282,13 @@
3326	6282
3327	6283	return $dotProduct / ($normA * $normB);
3328	6284	}
3329	6285
	6286	+
3330	6287	public function mxchat_enqueue_scripts_styles() {
3331	6288	// Define version numbers for the styles and scripts
3332		- $chat_style_version = '2.0.4'; // Replace with your actual version
3333		- $chat_script_version = '2.0.4'; // Replace with your actual version
3334		-
	6289	+ $chat_style_version = '2.4.2';
	6290	+ $chat_script_version = '2.4.2';
3335	6291	// Enqueue the script
3336	6292	wp_enqueue_script(
3337	6293	'mxchat-chat-js',
3338	6294	plugin_dir_url(__FILE__) . '../js/chat-script.js',
		@@ -3339,9 +6295,8 @@
3339	6295	array('jquery'),
3340	6296	$chat_script_version,
3341	6297	true
3342	6298	);
3343		-
3344	6299	// Enqueue the CSS
3345	6300	wp_enqueue_style(
3346	6301	'mxchat-chat-css',
3347	6302	plugin_dir_url(__FILE__) . '../css/chat-style.css',
		@@ -3347,17 +6302,19 @@
3347	6302	plugin_dir_url(__FILE__) . '../css/chat-style.css',
3348	6303	array(),
3349	6304	$chat_style_version
3350	6305	);
3351		-
3352	6306	// Fetch options from the database
3353	6307	$this->options = get_option('mxchat_options');
3354	6308	$prompts_options = get_option('mxchat_prompts_options', array());
3355		-
	6309	+
3356	6310	// Prepare settings for JavaScript
3357	6311	$style_settings = array(
3358	6312	'ajax_url' => admin_url('admin-ajax.php'),
3359	6313	'nonce' => wp_create_nonce('mxchat_chat_nonce'),
	6314	+ 'model' => isset($this->options['model']) ? $this->options['model'] : 'gpt-4o',
	6315	+ 'enable_streaming_toggle' => isset($this->options['enable_streaming_toggle']) ? $this->options['enable_streaming_toggle'] : 'on',
	6316	+ 'contextual_awareness_toggle' => isset($this->options['contextual_awareness_toggle']) ? $this->options['contextual_awareness_toggle'] : 'off',
3360	6317	'link_target_toggle' => $this->options['link_target_toggle'] ?? 'off',
3361	6318	'rate_limit_message' => $this->options['rate_limit_message'] ?? 'Rate limit exceeded. Please try again later.',
3362	6319	'complianz_toggle' => isset($this->options['complianz_toggle']) && $this->options['complianz_toggle'] === 'on',
3363	6320	'user_message_bg_color' => $this->options['user_message_bg_color'] ?? '#fff',
		@@ -3371,10 +6328,9 @@
3371	6328	'chatbot_bg_color' => $this->options['chatbot_bg_color'] ?? '#fff',
3372	6329	'icon_color' => $this->options['icon_color'] ?? '#fff',
3373	6330	'chat_input_font_color' => $this->options['chat_input_font_color'] ?? '#212121',
3374	6331	'chat_persistence_toggle' => $this->options['chat_persistence_toggle'] ?? 'off',
3375		- 'appendWidgetToBody' => $this->options['append_to_body'] ?? 'off', // Example for consistency
3376		-
	6332	+ 'appendWidgetToBody' => $this->options['append_to_body'] ?? 'off',
3377	6333	'live_agent_message_bg_color' => $this->options['live_agent_message_bg_color'] ?? '#ffffff',
3378	6334	'live_agent_message_font_color' => $this->options['live_agent_message_font_color'] ?? '#333333',
3379	6335	'chat_toolbar_toggle' => $this->options['chat_toolbar_toggle'] ?? 'off',
3380	6336	'mode_indicator_bg_color' => $this->options['mode_indicator_bg_color'] ?? '#767676',
		@@ -3379,76 +6335,932 @@
3379	6335	'chat_toolbar_toggle' => $this->options['chat_toolbar_toggle'] ?? 'off',
3380	6336	'mode_indicator_bg_color' => $this->options['mode_indicator_bg_color'] ?? '#767676',
3381	6337	'mode_indicator_font_color' => $this->options['mode_indicator_font_color'] ?? '#ffffff',
3382	6338	'toolbar_icon_color' => $this->options['toolbar_icon_color'] ?? '#212121',
3383		-
3384	6339	'use_pinecone' => $prompts_options['mxchat_use_pinecone'] ?? '0',
	6340	+ 'email_collection_enabled' => $this->options['enable_email_block'] ?? 'off', // FIXED
	6341	+ 'initial_email_state' => null, // Also fixed this undefined variable
	6342	+ 'skip_email_check' => true,
3385	6343	'pinecone_enabled' => isset($prompts_options['mxchat_use_pinecone']) && $prompts_options['mxchat_use_pinecone'] === '1'
3386	6344	);
3387		-
3388	6345	// Pass the settings to the script
3389	6346	wp_localize_script('mxchat-chat-js', 'mxchatChat', $style_settings);
3390	6347	}
3391	6348
3392	6349
	6350	+/**
	6351	+ * Setup the cron jobs for rate limits with guard against multiple calls
	6352	+ */
	6353	+public function setup_rate_limit_cron_jobs() {
	6354	+ // Add a guard to prevent multiple rapid calls
	6355	+ $last_setup = get_transient('mxchat_cron_setup_guard');
	6356	+ if ($last_setup && (time() - $last_setup) < 60) {
	6357	+ // Don't run again if we ran less than 60 seconds ago
	6358	+ return;
	6359	+ }
	6360	+
	6361	+ // Set the guard
	6362	+ set_transient('mxchat_cron_setup_guard', time(), 300); // 5 minutes
	6363	+
	6364	+ try {
	6365	+ // First, check if WordPress cron is disabled
	6366	+ if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
	6367	+ //error_log('MxChat: WordPress cron is disabled (DISABLE_WP_CRON = true), using fallback system');
	6368	+ $this->setup_fallback_rate_limit_system();
	6369	+ return;
	6370	+ }
	6371	+
	6372	+ // Check if cron is already scheduled - if so, don't mess with it
	6373	+ if (wp_next_scheduled('mxchat_reset_rate_limits')) {
	6374	+ //error_log('MxChat: Rate limit cron already scheduled, skipping setup');
	6375	+ return;
	6376	+ }
	6377	+
	6378	+ // Clear any orphaned hooks (but don't loop indefinitely)
	6379	+ $hooks_to_clear = [
	6380	+ 'mxchat_reset_rate_limits',
	6381	+ 'mxchat_reset_hourly_rate_limits',
	6382	+ 'mxchat_reset_daily_rate_limits',
	6383	+ 'mxchat_reset_weekly_rate_limits',
	6384	+ 'mxchat_reset_monthly_rate_limits'
	6385	+ ];
	6386	+
	6387	+ foreach ($hooks_to_clear as $hook) {
	6388	+ // Only clear a maximum of 3 instances to prevent infinite loops
	6389	+ $cleared = 0;
	6390	+ while (wp_next_scheduled($hook) && $cleared < 3) {
	6391	+ wp_clear_scheduled_hook($hook);
	6392	+ $cleared++;
	6393	+ }
	6394	+ }
	6395	+
	6396	+ // Small delay after clearing
	6397	+ usleep(100000); // 0.1 seconds
	6398	+
	6399	+ // Try to schedule the event
	6400	+ $initial_time = time() + 300; // Start in 5 minutes
	6401	+ $result = wp_schedule_event($initial_time, 'hourly', 'mxchat_reset_rate_limits');
	6402	+
	6403	+ if ($result === false) {
	6404	+ //error_log('MxChat: Failed to schedule cron, using fallback system');
	6405	+ $this->setup_fallback_rate_limit_system();
	6406	+ } else {
	6407	+ //error_log('MxChat: Successfully scheduled rate limit reset cron');
	6408	+ }
	6409	+
	6410	+ } catch (Exception $e) {
	6411	+ //error_log('MxChat: Cron setup exception: ' . $e->getMessage());
	6412	+ $this->setup_fallback_rate_limit_system();
	6413	+ }
	6414	+}
	6415	+
	6416	+/**
	6417	+ * Try alternative cron scheduling methods
	6418	+ */
	6419	+private function try_alternative_cron_scheduling($initial_time) {
	6420	+ try {
	6421	+ // Method 1: Try with current time instead of future time
	6422	+ $result1 = wp_schedule_event(time(), 'hourly', 'mxchat_reset_rate_limits');
	6423	+ if ($result1 !== false) {
	6424	+ //error_log('MxChat: Alternative method 1 (current time) succeeded');
	6425	+ return true;
	6426	+ }
	6427	+
	6428	+ // Method 2: Try with a different interval
	6429	+ $result2 = wp_schedule_event($initial_time, 'daily', 'mxchat_reset_rate_limits');
	6430	+ if ($result2 !== false) {
	6431	+ //error_log('MxChat: Alternative method 2 (daily interval) succeeded');
	6432	+ return true;
	6433	+ }
	6434	+
	6435	+ // Method 3: Try wp_schedule_single_event first, then recurring
	6436	+ $result3 = wp_schedule_single_event($initial_time, 'mxchat_reset_rate_limits');
	6437	+ if ($result3 !== false) {
	6438	+ //error_log('MxChat: Alternative method 3 (single event) succeeded');
	6439	+ // Schedule the next one manually in the handler
	6440	+ return true;
	6441	+ }
	6442	+
	6443	+ return false;
	6444	+
	6445	+ } catch (Exception $e) {
	6446	+ //error_log('MxChat: Alternative cron scheduling exception: ' . $e->getMessage());
	6447	+ return false;
	6448	+ }
	6449	+}
	6450	+
	6451	+/**
	6452	+ * Enhanced fallback rate limit system
	6453	+ */
	6454	+private function setup_fallback_rate_limit_system() {
	6455	+ // Set a flag to use database-based rate limit cleanup
	6456	+ update_option('mxchat_use_fallback_rate_limits', true);
	6457	+
	6458	+ // Schedule a one-time check to happen on the next plugin load
	6459	+ update_option('mxchat_next_rate_limit_check', time() + 3600);
	6460	+
	6461	+ // Also set up a more frequent fallback check (every 4 hours)
	6462	+ update_option('mxchat_fallback_check_interval', 4 * 3600);
	6463	+
	6464	+ //error_log('MxChat: Fallback rate limit system activated');
	6465	+}
	6466	+
	6467	+/**
	6468	+ * Enhanced fallback check method
	6469	+ */
	6470	+public function check_fallback_rate_limits() {
	6471	+ $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
	6472	+
	6473	+ if (!$use_fallback) {
	6474	+ return; // Regular cron is working
	6475	+ }
	6476	+
	6477	+ $next_check = get_option('mxchat_next_rate_limit_check', 0);
	6478	+ $check_interval = get_option('mxchat_fallback_check_interval', 3600);
	6479	+
	6480	+ if (time() >= $next_check) {
	6481	+ //error_log('MxChat: Running fallback rate limit cleanup');
	6482	+ $this->mxchat_reset_rate_limits();
	6483	+
	6484	+ // Schedule next check
	6485	+ update_option('mxchat_next_rate_limit_check', time() + $check_interval);
	6486	+ }
	6487	+}
	6488	+/**
	6489	+ * Enhanced rate limit check that includes fallback cleanup
	6490	+ */
	6491	+public function check_rate_limit() {
	6492	+ // Check if we need to run fallback cleanup
	6493	+ $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
	6494	+ $next_check = get_option('mxchat_next_rate_limit_check', 0);
	6495	+
	6496	+ if ($use_fallback && time() >= $next_check) {
	6497	+ $this->mxchat_reset_rate_limits();
	6498	+ update_option('mxchat_next_rate_limit_check', time() + 3600); // Next hour
	6499	+ }
	6500	+
	6501	+ // Continue with your existing rate limit logic...
	6502	+ $all_options = get_option('mxchat_options', []);
	6503	+
	6504	+ // Determine user role or if logged out
	6505	+ if (is_user_logged_in()) {
	6506	+ $user = wp_get_current_user();
	6507	+ $user_id = $user->ID;
	6508	+
	6509	+ // Get the user's primary role using reset() to safely get the first element
	6510	+ $user_roles = $user->roles;
	6511	+
	6512	+ // Safely get the first role regardless of array key structure
	6513	+ if (!empty($user_roles) && is_array($user_roles)) {
	6514	+ $role = reset($user_roles); // This safely gets the first element regardless of key
	6515	+ } else {
	6516	+ $role = 'subscriber'; // Default to subscriber if no role found
	6517	+ }
	6518	+ } else {
	6519	+ $role = 'logged_out';
	6520	+ // Use IP address for non-logged-in users
	6521	+ $user_id = $this->get_client_ip();
	6522	+ }
	6523	+
	6524	+ // Check if rate limits are configured for this role
	6525	+ if (!isset($all_options['rate_limits'][$role])) {
	6526	+ return true; // No limit set for this role
	6527	+ }
	6528	+
	6529	+ $limit = $all_options['rate_limits'][$role]['limit'];
	6530	+
	6531	+ // If unlimited, return true immediately
	6532	+ if ($limit === 'unlimited') {
	6533	+ return true;
	6534	+ }
	6535	+
	6536	+ // Get the option name for this user/role with safer naming
	6537	+ $safe_role = preg_replace('/[^a-zA-Z0-9_]/', '_', $role);
	6538	+ $safe_user_id = preg_replace('/[^a-zA-Z0-9_]/', '_', $user_id);
	6539	+ $option_name = 'mxchat_chat_limit_' . $safe_role . '_' . $safe_user_id;
	6540	+
	6541	+ // Get the counter data
	6542	+ $limit_data = get_option($option_name, ['count' => 0, 'timestamp' => time()]);
	6543	+
	6544	+ // If first request or counter reset needed, set the initial timestamp
	6545	+ if ($limit_data['count'] === 0) {
	6546	+ $limit_data['timestamp'] = time();
	6547	+ update_option($option_name, $limit_data);
	6548	+ }
	6549	+
	6550	+ // Get the timeframe
	6551	+ $timeframe = isset($all_options['rate_limits'][$role]['timeframe']) ?
	6552	+ $all_options['rate_limits'][$role]['timeframe'] : 'daily';
	6553	+
	6554	+ // Check if the counter needs to be reset based on timeframe
	6555	+ $current_time = time();
	6556	+ $timestamp = $limit_data['timestamp'];
	6557	+ $should_reset = false;
	6558	+
	6559	+ switch ($timeframe) {
	6560	+ case 'hourly':
	6561	+ $should_reset = ($current_time - $timestamp) >= 3600; // 1 hour
	6562	+ break;
	6563	+ case 'daily':
	6564	+ $should_reset = ($current_time - $timestamp) >= 86400; // 24 hours
	6565	+ break;
	6566	+ case 'weekly':
	6567	+ $should_reset = ($current_time - $timestamp) >= 604800; // 7 days
	6568	+ break;
	6569	+ case 'monthly':
	6570	+ $should_reset = ($current_time - $timestamp) >= 2592000; // 30 days
	6571	+ break;
	6572	+ }
	6573	+
	6574	+ // Reset the counter if the timeframe has passed
	6575	+ if ($should_reset) {
	6576	+ $limit_data = ['count' => 0, 'timestamp' => $current_time];
	6577	+ update_option($option_name, $limit_data);
	6578	+ }
	6579	+
	6580	+ // Check if user has exceeded their limit
	6581	+ if ($limit_data['count'] >= intval($limit)) {
	6582	+ // Get the custom message for this role
	6583	+ $message = !empty($all_options['rate_limits'][$role]['message'])
	6584	+ ? $all_options['rate_limits'][$role]['message']
	6585	+ : __('Rate limit exceeded. Please try again later.', 'mxchat');
	6586	+
	6587	+ // Add timeframe information to the message if placeholders exist
	6588	+ $timeframe_label = '';
	6589	+ switch ($timeframe) {
	6590	+ case 'hourly':
	6591	+ $timeframe_label = __('hour', 'mxchat');
	6592	+ break;
	6593	+ case 'daily':
	6594	+ $timeframe_label = __('day', 'mxchat');
	6595	+ break;
	6596	+ case 'weekly':
	6597	+ $timeframe_label = __('week', 'mxchat');
	6598	+ break;
	6599	+ case 'monthly':
	6600	+ $timeframe_label = __('month', 'mxchat');
	6601	+ break;
	6602	+ }
	6603	+
	6604	+ // Replace placeholders in the message
	6605	+ $message = str_replace(
	6606	+ ['{limit}', '{count}', '{remaining}', '{timeframe}'],
	6607	+ [intval($limit), $limit_data['count'], max(0, intval($limit) - $limit_data['count']), $timeframe_label],
	6608	+ $message
	6609	+ );
	6610	+
	6611	+ // Process HTML links in the message
	6612	+ $message = $this->process_rate_limit_message_html($message);
	6613	+
	6614	+ // Return error with the processed message
	6615	+ return [
	6616	+ 'error' => true,
	6617	+ 'message' => $message
	6618	+ ];
	6619	+ }
	6620	+
	6621	+ // Increment the counter
	6622	+ $limit_data['count']++;
	6623	+ update_option($option_name, $limit_data);
	6624	+
	6625	+ return true;
	6626	+}
	6627	+
	6628	+/**
	6629	+ * Enhanced rate limit reset with better error handling
	6630	+ */
3393	6631	public function mxchat_reset_rate_limits() {
	6632	+ try {
3394	6633	global $wpdb;
	6634	+ $all_options = get_option('mxchat_options', []);
	6635	+ $current_time = time();
	6636	+
	6637	+ // Get rate limit options with a safer query and limit
	6638	+ $option_names = $wpdb->get_col(
	6639	+ $wpdb->prepare(
	6640	+ "SELECT option_name FROM {$wpdb->options}
	6641	+ WHERE option_name LIKE %s
	6642	+ LIMIT 1000",
	6643	+ 'mxchat_chat_limit_%'
	6644	+ )
	6645	+ );
	6646	+
	6647	+ if (empty($option_names)) {
	6648	+ return;
	6649	+ }
	6650	+
	6651	+ $processed_count = 0;
	6652	+ $max_processing_time = 30; // Maximum 30 seconds
	6653	+ $start_time = time();
	6654	+
	6655	+ foreach ($option_names as $option_name) {
	6656	+ // Check processing time limit
	6657	+ if ((time() - $start_time) > $max_processing_time) {
	6658	+ //error_log('MxChat: Rate limit reset timeout after processing ' . $processed_count . ' entries');
	6659	+ break;
	6660	+ }
	6661	+
	6662	+ // Parse the option name more safely
	6663	+ if (!preg_match('/^mxchat_chat_limit_(.+)_(.+)$/', $option_name, $matches)) {
	6664	+ continue;
	6665	+ }
	6666	+
	6667	+ $role_and_user = $matches[1] . '_' . $matches[2];
	6668	+ $parts = explode('_', $role_and_user);
	6669	+
	6670	+ if (count($parts) < 2) {
	6671	+ continue;
	6672	+ }
	6673	+
	6674	+ // Extract role (everything except the last part which is user ID)
	6675	+ $user_id_part = array_pop($parts);
	6676	+ $role = implode('_', $parts);
	6677	+
	6678	+ // Skip if role doesn't exist in our settings
	6679	+ if (!isset($all_options['rate_limits'][$role])) {
	6680	+ // Clean up orphaned entries
	6681	+ delete_option($option_name);
	6682	+ continue;
	6683	+ }
	6684	+
	6685	+ $timeframe = $all_options['rate_limits'][$role]['timeframe'] ?? 'daily';
	6686	+ $limit_data = get_option($option_name);
	6687	+
	6688	+ if (!$limit_data || !is_array($limit_data) || !isset($limit_data['timestamp'])) {
	6689	+ // Clean up invalid entries
	6690	+ delete_option($option_name);
	6691	+ continue;
	6692	+ }
	6693	+
	6694	+ $timestamp = $limit_data['timestamp'];
	6695	+ $should_reset = false;
	6696	+
	6697	+ // Determine if we should reset based on the timeframe
	6698	+ switch ($timeframe) {
	6699	+ case 'hourly':
	6700	+ $should_reset = ($current_time - $timestamp) >= 3600;
	6701	+ break;
	6702	+ case 'daily':
	6703	+ $should_reset = ($current_time - $timestamp) >= 86400;
	6704	+ break;
	6705	+ case 'weekly':
	6706	+ $should_reset = ($current_time - $timestamp) >= 604800;
	6707	+ break;
	6708	+ case 'monthly':
	6709	+ $should_reset = ($current_time - $timestamp) >= 2592000;
	6710	+ break;
	6711	+ }
	6712	+
	6713	+ // Reset the counter if the timeframe has passed
	6714	+ if ($should_reset) {
	6715	+ delete_option($option_name);
	6716	+ wp_cache_delete($option_name, 'options');
	6717	+ $processed_count++;
	6718	+ }
	6719	+ }
	6720	+
	6721	+ // Clean up any orphaned cache entries
	6722	+ wp_cache_delete('mxchat_all_chat_limits', 'options');
	6723	+
	6724	+ //error_log("MxChat: Rate limit reset completed. Processed {$processed_count} entries.");
	6725	+
	6726	+ } catch (Exception $e) {
	6727	+ //error_log('MxChat: Rate limit reset error: ' . $e->getMessage());
	6728	+ }
	6729	+}
3395	6730
3396		- // Define a cache key pattern for rate limits
3397		- $cache_key_pattern = 'mxchat_chat_limit_%';
3398	6731
3399		- // Retrieve all option names matching the pattern
3400		- // phpcs:ignore WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.DirectQuery
3401		- $option_names = $wpdb->get_col("SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE 'mxchat_chat_limit_%'");
	6732	+/**
	6733	+ * Process HTML links in rate limit messages
	6734	+ *
	6735	+ * @param string $message The rate limit message
	6736	+ * @return string The processed message with safe HTML links
	6737	+ */
	6738	+private function process_rate_limit_message_html($message) {
	6739	+ // Return original message if empty
	6740	+ if (empty($message)) {
	6741	+ return $message;
	6742	+ }
	6743	+
	6744	+ // First, convert markdown links to HTML
	6745	+ $message = $this->convert_markdown_links($message);
	6746	+
	6747	+ // Then, auto-convert any remaining plain URLs to links
	6748	+ $message = $this->auto_link_urls($message);
	6749	+
	6750	+ // Allow basic HTML tags for links and formatting
	6751	+ $allowed_tags = [
	6752	+ 'a' => [
	6753	+ 'href' => true,
	6754	+ 'target' => true,
	6755	+ 'rel' => true,
	6756	+ 'title' => true,
	6757	+ 'class' => true
	6758	+ ],
	6759	+ 'strong' => [],
	6760	+ 'em' => [],
	6761	+ 'br' => [],
	6762	+ 'b' => [],
	6763	+ 'i' => [],
	6764	+ 'span' => ['class' => true]
	6765	+ ];
	6766	+
	6767	+ // Sanitize but allow the specified HTML tags
	6768	+ $processed_message = wp_kses($message, $allowed_tags);
	6769	+
	6770	+ // If wp_kses stripped everything, return the original message as plain text
	6771	+ if (empty($processed_message) && !empty($message)) {
	6772	+ // Strip all HTML and return plain text as fallback
	6773	+ return wp_strip_all_tags($message);
	6774	+ }
	6775	+
	6776	+ return $processed_message;
	6777	+}
3402	6778
3403		- // db call ok; no-cache ok
3404		- // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery -- db call ok
3405		- $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE 'mxchat_chat_limit_%'");
	6779	+/**
	6780	+ * Convert markdown links to HTML
	6781	+ *
	6782	+ * @param string $text The text to process
	6783	+ * @return string The text with markdown links converted to HTML
	6784	+ */
	6785	+private function convert_markdown_links($text) {
	6786	+ // Return original text if empty
	6787	+ if (empty($text)) {
	6788	+ return $text;
	6789	+ }
	6790	+
	6791	+ // Pattern to match markdown links: [text](url)
	6792	+ $pattern = '/\[([^\]]+)\]\(([^)]+)\)/';
	6793	+
	6794	+ $processed_text = preg_replace_callback($pattern, function($matches) {
	6795	+ $link_text = $matches[1];
	6796	+ $url = $matches[2];
	6797	+
	6798	+ // Clean up any trailing punctuation from the URL
	6799	+ $url = rtrim($url, '.,;:!?');
	6800	+
	6801	+ // Sanitize the link text and URL
	6802	+ $safe_text = esc_html($link_text);
	6803	+ $safe_url = esc_url($url);
	6804	+
	6805	+ // Create the HTML link
	6806	+ return '<a href="' . $safe_url . '" target="_blank" rel="noopener noreferrer">' . $safe_text . '</a>';
	6807	+ }, $text);
	6808	+
	6809	+ // If preg_replace_callback failed, return original text
	6810	+ if ($processed_text === null) {
	6811	+ return $text;
	6812	+ }
	6813	+
	6814	+ return $processed_text;
	6815	+}
3406	6816
3407		- // Clear the relevant cache entries
3408		- foreach ($option_names as $option_name) {
3409		- wp_cache_delete($option_name, 'options');
3410		- }
	6817	+/**
	6818	+ * Auto-convert plain URLs to clickable links
	6819	+ *
	6820	+ * @param string $text The text to process
	6821	+ * @return string The text with URLs converted to links
	6822	+ */
	6823	+private function auto_link_urls($text) {
	6824	+ // Return original text if empty
	6825	+ if (empty($text)) {
	6826	+ return $text;
	6827	+ }
	6828	+
	6829	+ // Simple pattern that avoids complex lookbehinds
	6830	+ // This will match URLs that are not already inside href attributes or markdown links
	6831	+ $pattern = '/(?<!href=["\'])(?<!\]\()https?:\/\/[^\s<>"\')\]]+/i';
	6832	+
	6833	+ $processed_text = preg_replace_callback($pattern, function($matches) {
	6834	+ $url = $matches[0];
	6835	+ // Clean up any trailing punctuation that might have been captured
	6836	+ $url = rtrim($url, '.,;:!?');
	6837	+
	6838	+ // Add target="_blank" and rel="noopener noreferrer" for security
	6839	+ return '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($url) . '</a>';
	6840	+ }, $text);
	6841	+
	6842	+ // If preg_replace_callback failed, return original text
	6843	+ if ($processed_text === null) {
	6844	+ return $text;
	6845	+ }
	6846	+
	6847	+ return $processed_text;
	6848	+}
3411	6849
3412		- // Optionally, clear a general cache if you have one
3413		- wp_cache_delete('mxchat_all_chat_limits', 'options');
	6850	+
	6851	+// Helper function to get client IP address
	6852	+private function get_client_ip() {
	6853	+ // Check for shared internet/ISP IP
	6854	+ if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
	6855	+ return sanitize_text_field($_SERVER['HTTP_CLIENT_IP']);
3414	6856	}
	6857	+
	6858	+ // Check for IPs passing through proxies
	6859	+ if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
	6860	+ // Use the first value in the comma-separated list
	6861	+ $forwarded_for = explode(',', sanitize_text_field($_SERVER['HTTP_X_FORWARDED_FOR']));
	6862	+ return trim($forwarded_for[0]);
	6863	+ }
	6864	+
	6865	+ if (!empty($_SERVER['REMOTE_ADDR'])) {
	6866	+ return sanitize_text_field($_SERVER['REMOTE_ADDR']);
	6867	+ }
	6868	+
	6869	+ // Fallback
	6870	+ return 'unknown';
	6871	+}
3415	6872
3416		-private function mxchat_fetch_woocommerce_products() {
3417		- // Ensure WooCommerce is active
3418		- if (!class_exists('WooCommerce')) {
3419		- return [];
	6873	+/**
	6874	+ * AJAX handler to get system information for testing panel
	6875	+ */
	6876	+public function mxchat_get_system_info() {
	6877	+ // Verify nonce for security
	6878	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6879	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6880	+ return;
3420	6881	}
	6882	+
	6883	+ // Only allow admin users
	6884	+ if (!current_user_can('administrator')) {
	6885	+ wp_send_json_error(['message' => 'Unauthorized']);
	6886	+ return;
	6887	+ }
	6888	+
	6889	+ // Get system prompt from options
	6890	+ $system_prompt = isset($this->options['system_prompt_instructions'])
	6891	+ ? $this->options['system_prompt_instructions']
	6892	+ : 'No system prompt configured';
	6893	+
	6894	+ // Get selected model
	6895	+ $selected_model = isset($this->options['model']) ? $this->options['model'] : 'gpt-4o';
	6896	+
	6897	+ // Get API key status (just check if they exist, don't expose the keys)
	6898	+ $api_status = [];
	6899	+ $api_status['openai'] = !empty($this->options['api_key']);
	6900	+ $api_status['claude'] = !empty($this->options['claude_api_key']);
	6901	+ $api_status['gemini'] = !empty($this->options['gemini_api_key']);
	6902	+ $api_status['xai'] = !empty($this->options['xai_api_key']);
	6903	+ $api_status['deepseek'] = !empty($this->options['deepseek_api_key']);
	6904	+
	6905	+ wp_send_json_success([
	6906	+ 'system_prompt' => $system_prompt,
	6907	+ 'selected_model' => $selected_model,
	6908	+ 'api_status' => $api_status
	6909	+ ]);
	6910	+}
3421	6911
3422		- $args = array(
3423		- 'post_type' => 'product',
3424		- 'post_status' => 'publish',
3425		- 'posts_per_page' => -1,
	6912	+/**
	6913	+ * AJAX handler to get similarity threshold
	6914	+ */
	6915	+public function mxchat_get_similarity_threshold() {
	6916	+ // Verify nonce for security
	6917	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6918	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6919	+ return;
	6920	+ }
	6921	+
	6922	+ // Only allow admin users
	6923	+ if (!current_user_can('administrator')) {
	6924	+ wp_send_json_error(['message' => 'Unauthorized']);
	6925	+ return;
	6926	+ }
	6927	+
	6928	+ // Get similarity threshold from main options (default 75%)
	6929	+ $similarity_threshold = isset($this->options['similarity_threshold'])
	6930	+ ? ((int) $this->options['similarity_threshold']) / 100
	6931	+ : 0.75;
	6932	+
	6933	+ wp_send_json_success([
	6934	+ 'threshold' => $similarity_threshold,
	6935	+ 'threshold_percentage' => ($similarity_threshold * 100) . '%'
	6936	+ ]);
	6937	+}
	6938	+
	6939	+/**
	6940	+ * AJAX handler to get knowledge base status
	6941	+ */
	6942	+public function mxchat_get_kb_status() {
	6943	+ // Verify nonce for security
	6944	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6945	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6946	+ return;
	6947	+ }
	6948	+
	6949	+ // Only allow admin users
	6950	+ if (!current_user_can('administrator')) {
	6951	+ wp_send_json_error(['message' => 'Unauthorized']);
	6952	+ return;
	6953	+ }
	6954	+
	6955	+ // Check Pinecone vs WordPress
	6956	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	6957	+ $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1');
	6958	+
	6959	+ $kb_info = [
	6960	+ 'type' => $use_pinecone ? 'Pinecone' : 'WordPress Database',
	6961	+ 'status' => 'Active'
	6962	+ ];
	6963	+
	6964	+ // Get document count
	6965	+ if ($use_pinecone) {
	6966	+ $kb_info['documents'] = 'Connected to Pinecone';
	6967	+ $kb_info['api_configured'] = !empty($addon_options['mxchat_pinecone_api_key']);
	6968	+ } else {
	6969	+ // Count documents in WordPress database
	6970	+ global $wpdb;
	6971	+ $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
	6972	+ $count = $wpdb->get_var("SELECT COUNT(*) FROM {$table_name}");
	6973	+ $kb_info['documents'] = $count ? $count . ' documents' : 'No documents';
	6974	+ }
	6975	+
	6976	+ wp_send_json_success($kb_info);
	6977	+}
	6978	+
	6979	+/**
	6980	+ * AJAX handler to start a completely fresh session (NEW - replaces old clear session)
	6981	+ */
	6982	+public function mxchat_start_fresh_session() {
	6983	+ // Verify nonce for security
	6984	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6985	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6986	+ return;
	6987	+ }
	6988	+
	6989	+ // Only allow admin users
	6990	+ if (!current_user_can('administrator')) {
	6991	+ wp_send_json_error(['message' => 'Unauthorized']);
	6992	+ return;
	6993	+ }
	6994	+
	6995	+ $old_session_id = isset($_POST['old_session_id']) ? sanitize_text_field($_POST['old_session_id']) : '';
	6996	+ $new_session_id = isset($_POST['new_session_id']) ? sanitize_text_field($_POST['new_session_id']) : '';
	6997	+
	6998	+ if (empty($old_session_id)) {
	6999	+ wp_send_json_error(['message' => 'Old session ID required']);
	7000	+ return;
	7001	+ }
	7002	+
	7003	+ // If no new session ID provided, generate one
	7004	+ if (empty($new_session_id)) {
	7005	+ $new_session_id = 'mxchat_chat_' . substr(md5(uniqid()), 0, 9);
	7006	+ }
	7007	+
	7008	+ // Clear ALL data associated with the old session
	7009	+ $this->clear_complete_session_data($old_session_id);
	7010	+
	7011	+ // Initialize the new session
	7012	+ $this->initialize_fresh_session($new_session_id);
	7013	+
	7014	+ wp_send_json_success([
	7015	+ 'message' => 'Fresh session started successfully',
	7016	+ 'new_session_id' => $new_session_id,
	7017	+ 'old_session_id' => $old_session_id
	7018	+ ]);
	7019	+}
	7020	+
	7021	+/**
	7022	+ * Clear ALL data associated with a session (ENHANCED)
	7023	+ */
	7024	+private function clear_complete_session_data($session_id) {
	7025	+ // Clear chat history
	7026	+ delete_option("mxchat_history_{$session_id}");
	7027	+
	7028	+ // Clear chat mode
	7029	+ delete_option("mxchat_mode_{$session_id}");
	7030	+
	7031	+ // Clear any PDF/Word transients
	7032	+ $this->clear_pdf_transients($session_id);
	7033	+ if (method_exists($this, 'clear_word_transients')) {
	7034	+ $this->clear_word_transients($session_id);
	7035	+ }
	7036	+
	7037	+ // Clear agent-related data
	7038	+ delete_option("mxchat_channel_{$session_id}");
	7039	+ delete_option("mxchat_agent_name_{$session_id}");
	7040	+ delete_option("mxchat_email_{$session_id}");
	7041	+
	7042	+ // Clear any recommendation flow state
	7043	+ delete_option("mxchat_sr_flow_state_{$session_id}");
	7044	+
	7045	+ // Clear any cached embeddings or context
	7046	+ delete_transient("mxchat_context_{$session_id}");
	7047	+ delete_transient("mxchat_last_query_{$session_id}");
	7048	+
	7049	+ // Clear any testing data
	7050	+ delete_transient("mxchat_testing_data_{$session_id}");
	7051	+
	7052	+ // Clear any rate limiting data for this session
	7053	+ delete_transient("mxchat_rate_limit_{$session_id}");
	7054	+
	7055	+ // Clear any other session-specific transients
	7056	+ delete_transient("mxchat_waiting_for_pdf_url_{$session_id}");
	7057	+ delete_transient("mxchat_include_pdf_in_context_{$session_id}");
	7058	+ delete_transient("mxchat_include_word_in_context_{$session_id}");
	7059	+
	7060	+ //error_log("MxChat: Cleared all data for session: {$session_id}");
	7061	+}
	7062	+
	7063	+/**
	7064	+ * Initialize a fresh session with default data
	7065	+ */
	7066	+private function initialize_fresh_session($session_id) {
	7067	+ // Set default chat mode
	7068	+ update_option("mxchat_mode_{$session_id}", 'ai');
	7069	+
	7070	+ //error_log("MxChat: Initialized fresh session: {$session_id}");
	7071	+}
	7072	+
	7073	+/**
	7074	+ * Helper method to clear Word document transients (if you have Word support)
	7075	+ */
	7076	+private function clear_word_transients($session_id) {
	7077	+ delete_transient('mxchat_word_url_' . $session_id);
	7078	+ delete_transient('mxchat_word_filename_' . $session_id);
	7079	+ delete_transient('mxchat_word_embeddings_' . $session_id);
	7080	+ delete_transient('mxchat_include_word_in_context_' . $session_id);
	7081	+}
	7082	+
	7083	+/**
	7084	+ * Simplified testing data capture method (CLEANED UP)
	7085	+ */
	7086	+private function capture_testing_data($user_embedding, $message, $session_id) {
	7087	+ // Only capture for admin users
	7088	+ if (!current_user_can('administrator')) {
	7089	+ return null;
	7090	+ }
	7091	+
	7092	+ $testing_data = [
	7093	+ 'query' => $message,
	7094	+ 'timestamp' => time(),
	7095	+ 'top_matches' => [],
	7096	+ 'action_matches' => [] // Add action matches
	7097	+ ];
	7098	+
	7099	+ // Get similarity threshold
	7100	+ $similarity_threshold = isset($this->options['similarity_threshold'])
	7101	+ ? ((int) $this->options['similarity_threshold']) / 100
	7102	+ : 0.75;
	7103	+
	7104	+ $testing_data['similarity_threshold'] = $similarity_threshold;
	7105	+
	7106	+ // Use the real similarity analysis if available
	7107	+ if ($this->last_similarity_analysis !== null) {
	7108	+ $testing_data['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'];
	7109	+ $testing_data['top_matches'] = $this->last_similarity_analysis['top_matches'];
	7110	+ $testing_data['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0;
	7111	+ } else {
	7112	+ // Fallback: determine knowledge base type
	7113	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	7114	+ $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1');
	7115	+
	7116	+ $testing_data['knowledge_base_type'] = $use_pinecone ? 'Pinecone' : 'WordPress Database';
	7117	+ }
	7118	+
	7119	+ // Include action analysis if available
	7120	+ if (isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	7121	+ $testing_data['action_matches'] = $this->last_action_analysis;
	7122	+
	7123	+ // Clear it after capturing to avoid stale data
	7124	+ $this->last_action_analysis = null;
	7125	+ }
	7126	+
	7127	+ return $testing_data;
	7128	+}
	7129	+
	7130	+
	7131	+/**
	7132	+ * Track URL clicks from chatbot responses
	7133	+ */
	7134	+public function mxchat_track_url_click() {
	7135	+ // Verify nonce for security
	7136	+ if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
	7137	+ wp_send_json_error(['message' => 'Invalid nonce']);
	7138	+ wp_die();
	7139	+ }
	7140	+
	7141	+ $session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
	7142	+ $clicked_url = isset($_POST['url']) ? esc_url_raw($_POST['url']) : '';
	7143	+ $message_context = isset($_POST['message_context']) ? sanitize_textarea_field($_POST['message_context']) : '';
	7144	+
	7145	+ if (empty($session_id) || empty($clicked_url)) {
	7146	+ wp_send_json_error(['message' => 'Missing required data']);
	7147	+ wp_die();
	7148	+ }
	7149	+
	7150	+ global $wpdb;
	7151	+ $table_name = $wpdb->prefix . 'mxchat_url_clicks';
	7152	+
	7153	+ // Insert click tracking record
	7154	+ $wpdb->insert(
	7155	+ $table_name,
	7156	+ [
	7157	+ 'session_id' => $session_id,
	7158	+ 'clicked_url' => $clicked_url,
	7159	+ 'message_context' => $message_context,
	7160	+ 'click_timestamp' => current_time('mysql', 1),
	7161	+ 'user_ip' => $_SERVER['REMOTE_ADDR'],
	7162	+ 'user_agent' => $_SERVER['HTTP_USER_AGENT']
	7163	+ ]
3426	7164	);
	7165	+
	7166	+ wp_send_json_success(['message' => 'Click tracked']);
	7167	+ wp_die();
	7168	+}
3427	7169
3428		- $products = get_posts($args);
3429		- $product_data = [];
	7170	+/**
	7171	+ * Get URL click analytics for a session
	7172	+ */
	7173	+public function mxchat_get_url_clicks($session_id) {
	7174	+ global $wpdb;
	7175	+ $table_name = $wpdb->prefix . 'mxchat_url_clicks';
	7176	+
	7177	+ $clicks = $wpdb->get_results($wpdb->prepare(
	7178	+ "SELECT * FROM $table_name WHERE session_id = %s ORDER BY click_timestamp ASC",
	7179	+ $session_id
	7180	+ ));
	7181	+
	7182	+ return $clicks;
	7183	+}
	7184	+/**
	7185	+ * Track the originating page where chat was started
	7186	+ */
	7187	+public function mxchat_track_originating_page() {
	7188	+ // Verify nonce
	7189	+ if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
	7190	+ wp_send_json_error(['message' => 'Invalid nonce']);
	7191	+ wp_die();
	7192	+ }
	7193	+
	7194	+ $session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
	7195	+ $page_url = isset($_POST['page_url']) ? esc_url_raw($_POST['page_url']) : '';
	7196	+ $page_title = isset($_POST['page_title']) ? sanitize_text_field($_POST['page_title']) : '';
	7197	+
	7198	+ if (empty($session_id)) {
	7199	+ wp_send_json_error(['message' => 'Missing session ID']);
	7200	+ wp_die();
	7201	+ }
	7202	+
	7203	+ global $wpdb;
	7204	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
	7205	+
	7206	+ // Check if we've already tracked for this session
	7207	+ $existing = $wpdb->get_var($wpdb->prepare(
	7208	+ "SELECT COUNT(*) FROM $table_name
	7209	+ WHERE session_id = %s
	7210	+ AND originating_page_url IS NOT NULL",
	7211	+ $session_id
	7212	+ ));
	7213	+
	7214	+ if ($existing > 0) {
	7215	+ wp_send_json_success(['message' => 'Already tracked']);
	7216	+ wp_die();
	7217	+ }
	7218	+
	7219	+ // Update the first message in this session with originating page info
	7220	+ $wpdb->query($wpdb->prepare(
	7221	+ "UPDATE $table_name
	7222	+ SET originating_page_url = %s,
	7223	+ originating_page_title = %s
	7224	+ WHERE session_id = %s
	7225	+ ORDER BY timestamp ASC
	7226	+ LIMIT 1",
	7227	+ $page_url,
	7228	+ $page_title,
	7229	+ $session_id
	7230	+ ));
	7231	+
	7232	+ wp_send_json_success(['message' => 'Originating page tracked']);
	7233	+ wp_die();
	7234	+}
3430	7235
3431		- foreach ($products as $product) {
3432		- $product_id = $product->ID;
3433		- $product_obj = wc_get_product($product_id);
3434	7236
3435		- $product_data[] = array(
3436		- 'id' => $product_id,
3437		- 'name' => $product_obj->get_name(),
3438		- 'description' => $product_obj->get_description(),
3439		- 'short_description' => $product_obj->get_short_description(),
3440		- 'url' => get_permalink($product_id),
3441		- 'price' => $product_obj->get_regular_price(),
3442		- 'sale_price' => $product_obj->get_sale_price(),
3443		- 'stock_status' => $product_obj->get_stock_status(),
3444		- 'sku' => $product_obj->get_sku(),
3445		- 'in_stock' => $product_obj->is_in_stock(),
3446		- 'total_sales' => $product_obj->get_total_sales(),
3447		- );
	7237	+/**
	7238	+ * AJAX handler to get current chat mode for a session
	7239	+ */
	7240	+public function mxchat_get_current_chat_mode() {
	7241	+ // Verify nonce for security
	7242	+ if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
	7243	+ wp_send_json_error(['message' => 'Invalid nonce']);
	7244	+ wp_die();
3448	7245	}
	7246	+
	7247	+ $session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
	7248	+
	7249	+ if (empty($session_id)) {
	7250	+ wp_send_json_error(['message' => 'Session ID missing']);
	7251	+ wp_die();
	7252	+ }
	7253	+
	7254	+ // Get the current chat mode for this session
	7255	+ $chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
	7256	+
	7257	+ wp_send_json_success([
	7258	+ 'chat_mode' => $chat_mode
	7259	+ ]);
	7260	+ wp_die();
	7261	+}
3449	7262
3450		- return $product_data;
3451		-}
	7263	+
3452	7264
3453	7265	}
3454	7266	?>