← All changes | includes/class-mxchat-integrator.php +4940 -1404 2.0.6 → 2.4.0 View file →

		@@ -9,50 +9,50 @@
9	9	private $chat_count;
10	10	private $fallbackResponse;
11	11	private $productCardHtml;
12	12	private $word_handler;
	13	+ private $last_similarity_analysis = null;
13	14
	15	+
	16	+/**
	17	+ * Class constructor
	18	+ */
14	19	public function __construct() {
15	20	$this->options = get_option('mxchat_options');
16	21	$this->prompts_options = get_option('mxchat_prompts_options', array());
17		-
18	22	$this->chat_count = get_option('mxchat_chat_count', 0);
19	23	$this->word_handler = new MXChat_Word_Handler($this->options);
20		-
	24	+
	25	+ // Add all action hooks
21	26	add_action('wp_enqueue_scripts', array($this, 'mxchat_enqueue_scripts_styles'));
22	27	add_action('wp_ajax_mxchat_handle_chat_request', array($this, 'mxchat_handle_chat_request'));
23	28	add_action('wp_ajax_nopriv_mxchat_handle_chat_request', array($this, 'mxchat_handle_chat_request'));
24		-
25	29	add_action('wp_ajax_mxchat_dismiss_pre_chat_message', array($this, 'mxchat_dismiss_pre_chat_message'));
26	30	add_action('wp_ajax_nopriv_mxchat_dismiss_pre_chat_message', array($this, 'mxchat_dismiss_pre_chat_message'));
	31	+
27	32	// Add the AJAX actions for checking if the pre-chat message was dismissed
28	33	add_action('wp_ajax_mxchat_check_pre_chat_message_status', array($this, 'mxchat_check_pre_chat_message_status'));
29	34	add_action('wp_ajax_nopriv_mxchat_check_pre_chat_message_status', array($this, 'mxchat_check_pre_chat_message_status'));
30		-
31	35	add_action('wp_ajax_mxchat_fetch_conversation_history', [$this, 'mxchat_fetch_conversation_history']);
32	36	add_action('wp_ajax_nopriv_mxchat_fetch_conversation_history', [$this, 'mxchat_fetch_conversation_history']);
33		-
34	37	add_action('wp_ajax_mxchat_add_to_cart', [$this, 'mxchat_add_to_cart']);
35	38	add_action('wp_ajax_nopriv_mxchat_add_to_cart', [$this, 'mxchat_add_to_cart']);
36		-
37		- if (!wp_next_scheduled('mxchat_reset_rate_limits')) {
38		- wp_schedule_event(time(), 'daily', 'mxchat_reset_rate_limits');
39		- }
40		-
	39	+
41	40	// Add REST API routes registration
42	41	add_action('rest_api_init', array($this, 'register_routes'));
43		-
44	42	add_action('wp_ajax_mxchat_fetch_new_messages', array($this, 'mxchat_fetch_new_messages'));
45	43	add_action('wp_ajax_nopriv_mxchat_fetch_new_messages', array($this, 'mxchat_fetch_new_messages'));
46		-
	44	+
	45	+ // Rate limit action - notice we removed the old schedule setup
47	46	add_action('mxchat_reset_rate_limits', array($this, 'mxchat_reset_rate_limits'));
48		-
	47	+
	48	+ // File upload and handling actions
49	49	add_action('wp_ajax_mxchat_upload_pdf', [$this, 'handle_pdf_upload']);
50	50	add_action('wp_ajax_nopriv_mxchat_upload_pdf', [$this, 'handle_pdf_upload']);
51	51	add_action('wp_ajax_mxchat_remove_pdf', [$this, 'handle_pdf_remove']);
52	52	add_action('wp_ajax_nopriv_mxchat_remove_pdf', [$this, 'handle_pdf_remove']);
53		-
54		- // Add these with your other add_action hooks
	53	+
	54	+ // Word document handling actions
55	55	add_action('wp_ajax_mxchat_upload_word', array($this, 'mxchat_handle_word_upload'));
56	56	add_action('wp_ajax_nopriv_mxchat_upload_word', array($this, 'mxchat_handle_word_upload'));
57	57	add_action('wp_ajax_mxchat_remove_word', array($this, 'mxchat_handle_word_remove'));
58	58	add_action('wp_ajax_nopriv_mxchat_remove_word', array($this, 'mxchat_handle_word_remove'));
		@@ -57,15 +57,47 @@
57	57	add_action('wp_ajax_mxchat_remove_word', array($this, 'mxchat_handle_word_remove'));
58	58	add_action('wp_ajax_nopriv_mxchat_remove_word', array($this, 'mxchat_handle_word_remove'));
59	59	add_action('wp_ajax_mxchat_check_word_status', array($this, 'mxchat_check_word_status'));
60	60	add_action('wp_ajax_nopriv_mxchat_check_word_status', array($this, 'mxchat_check_word_status'));
61		-
	61	+
	62	+ // Email handling actions
62	63	add_action('wp_ajax_nopriv_mxchat_handle_save_email_and_response', [$this, 'mxchat_handle_save_email_and_response']);
63	64	add_action('wp_ajax_mxchat_handle_save_email_and_response', [$this, 'mxchat_handle_save_email_and_response']);
64	65	add_action('wp_ajax_nopriv_mxchat_check_email_provided', [$this, 'mxchat_check_email_provided']);
65	66	add_action('wp_ajax_mxchat_check_email_provided', [$this, 'mxchat_check_email_provided']);
	67	+
	68	+ add_action('wp_ajax_mxchat_stream_chat', array($this, 'mxchat_handle_chat_request'));
	69	+ add_action('wp_ajax_nopriv_mxchat_stream_chat', array($this, 'mxchat_handle_chat_request'));
	70	+
	71	+ // Testing panel AJAX actions
	72	+ add_action('wp_ajax_mxchat_get_system_info', array($this, 'mxchat_get_system_info'));
	73	+ add_action('wp_ajax_mxchat_get_similarity_threshold', array($this, 'mxchat_get_similarity_threshold'));
	74	+ add_action('wp_ajax_mxchat_get_kb_status', array($this, 'mxchat_get_kb_status'));
	75	+ add_action('wp_ajax_mxchat_start_fresh_session', array($this, 'mxchat_start_fresh_session'));
	76	+ // Add to your existing constructor, in the section with other AJAX actions:
	77	+ add_action('wp_ajax_mxchat_track_url_click', array($this, 'mxchat_track_url_click'));
	78	+ add_action('wp_ajax_nopriv_mxchat_track_url_click', array($this, 'mxchat_track_url_click'));
	79	+ add_action('wp_ajax_mxchat_track_originating_page', array($this, 'mxchat_track_originating_page'));
	80	+ add_action('wp_ajax_nopriv_mxchat_track_originating_page', array($this, 'mxchat_track_originating_page'));
	81	+ // Add chat mode checking actions
	82	+ add_action('wp_ajax_mxchat_get_current_chat_mode', array($this, 'mxchat_get_current_chat_mode'));
	83	+ add_action('wp_ajax_nopriv_mxchat_get_current_chat_mode', array($this, 'mxchat_get_current_chat_mode'));
	84	+
	85	+ add_filter('mxchat_check_actions_only', array($this, 'check_actions_for_addons'), 10, 4);
	86	+
	87	+
66	88	}
67	89
	90	+// In your core plugin's check_actions_for_addons method:
	91	+public function check_actions_for_addons($default, $message, $user_id, $session_id) {
	92	+ //error_log('MxChat Core: check_actions_for_addons called with message: ' . $message);
	93	+
	94	+ $result = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
	95	+
	96	+ //error_log('MxChat Core: Intent check result = ' . ($result === false ? 'false' : 'true'));
	97	+
	98	+ return $result;
	99	+}
68	100
69	101	private function mxchat_increment_chat_count() {
70	102	$chat_count = get_option('mxchat_chat_count', 0);
71	103	$chat_count++;
		@@ -96,24 +128,9 @@
96	128	'chat_mode' => $chat_mode
97	129	]);
98	130	wp_die();
99	131	}
100		-private function mxchat_fetch_conversation_history_for_ajax($session_id) {
101		- $history = get_option("mxchat_history_{$session_id}", []); // Retrieve stored history based on session ID
102		- $formatted_history = [];
103	132
104		- // Format the history to align with the expected structure for OpenAI
105		- foreach ($history as $entry) {
106		- $formatted_history[] = [
107		- 'role' => $entry['role'], // Ensure this matches 'user' or 'assistant'
108		- 'content' => $entry['content']
109		- ];
110		- }
111		-
112		- return $formatted_history;
113		-}
114		-
115		-
116	133	private function mxchat_fetch_conversation_history_for_ai($session_id) {
117	134	$history = get_option("mxchat_history_{$session_id}", []);
118	135	$formatted_history = [];
119	136
		@@ -150,9 +167,9 @@
150	167	if (!$has_code && $clean_content !== strip_tags($entry['content'])) {
151	168	continue;
152	169	}
153	170
154		- // More accurate token estimation (1 token ≈ 4 characters)
	171	+ // More accurate token estimation (1 token ≈ 4 characters)
155	172	$token_estimate = ceil(mb_strlen($clean_content, 'UTF-8') / 4);
156	173
157	174	// Check token budget with the new estimate
158	175	if (($current_token_count + $token_estimate + $reserved_tokens) > $max_tokens) {
		@@ -206,8 +223,14 @@
206	223	'methods' => 'POST',
207	224	'callback' => [$this, 'handle_slack_interaction'],
208	225	'permission_callback' => [$this, 'verify_slack_request'],
209	226	]);
	227	+
	228	+ register_rest_route('mxchat/v1', '/slack-messages', [
	229	+ 'methods' => 'POST',
	230	+ 'callback' => [$this, 'handle_slack_messages'],
	231	+ 'permission_callback' => [$this, 'verify_slack_request'],
	232	+ ]);
210	233
211	234	//error_log(esc_html__('MxChat REST routes registered', 'mxchat'));
212	235	}
213	236
		@@ -295,20 +318,33 @@
295	318
296	319
297	320
298	321
299		-private function mxchat_save_chat_message($session_id, $role, $message) {
	322	+private function mxchat_save_chat_message($session_id, $role, $message, $originating_page = null) {
300	323	global $wpdb;
301		-
302	324	$table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
303	325	//error_log("[DEBUG] mxchat_save_chat_message -> START for session_id: {$session_id}, role: {$role}");
304		-
	326	+
	327	+ // Check if this is the first message in a new session (before any other database operations)
	328	+ $is_new_session = false;
	329	+ if ($role === 'user') { // Only check for user messages, not bot responses
	330	+ $existing_messages = $wpdb->get_var($wpdb->prepare(
	331	+ "SELECT COUNT(*) FROM $table_name WHERE session_id = %s",
	332	+ $session_id
	333	+ ));
	334	+ $is_new_session = ($existing_messages == 0);
	335	+
	336	+ // NEW: 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	+ // NEW: 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 ?: '', // NEW: 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	+ // NEW: 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} => {$email}");
	584	+
	585	+ // NEW: Store name in wp_options if provided
	586	+ if (!empty($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		- $session_id
423		- );
	603	+ // NEW: Update both user_email and user_name if row(s) exist
	604	+ if (!empty($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 +645,83 @@
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	+ // NEW: 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	+ // NEW: 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	+ // NEW: 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	+ // NEW: 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 $final_limit;
513	697	}
514	698
515		-
516		-// Add this to your plugin's main PHP file
517		-public function mxchat_check_new_messages() {
518		- if (!isset($_POST['session_id']) || !isset($_POST['last_seen_id'])) {
519		- wp_send_json_error(['message' => 'Missing required parameters']);
520		- wp_die();
521		- }
522		-
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();
535		- }
536		-
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	699	public function mxchat_handle_chat_request() {
556	700	global $wpdb;
557	701
	702	+ // NEW: Check if this is a streaming request
	703	+ $is_streaming = isset($_POST['action']) && $_POST['action'] === 'mxchat_stream_chat';
	704	+
	705	+ // NEW: Set streaming headers if needed
	706	+ if ($is_streaming) {
	707	+ // Disable output buffering
	708	+ while (ob_get_level()) {
	709	+ ob_end_flush(); // Changed from ob_end_clean()
	710	+ }
	711	+
	712	+ // Set headers for SSE
	713	+ header('Content-Type: text/event-stream');
	714	+ header('Cache-Control: no-cache');
	715	+ header('Connection: keep-alive');
	716	+ header('X-Accel-Buffering: no');
	717	+
	718	+ // Add these new lines:
	719	+ ob_implicit_flush(true);
	720	+ flush();
	721	+ }
558	722
559		- // Check if MX Chat Moderation is active
	723	+ // Check if MX Chat Moderation is active
560	724	if (class_exists('MX_Chat_Moderation')) {
561	725	// Get user email and IP
562	726	$user_email = '';
563	727	$user_ip = $_SERVER['REMOTE_ADDR'];
		@@ -591,14 +755,12 @@
591	755	wp_die();
592	756	}
593	757	}
594	758
595		-
596		- // Reset fallback response at the start of each request
597	759	$this->fallbackResponse = ['text' => '', 'html' => '', 'images' => []];
598	760	$this->productCardHtml = '';
599	761
600		- // Get the actual WordPress user ID if logged in
	762	+ // Get the actual WordPress user ID if logged in
601	763	$is_logged_in = is_user_logged_in();
602	764	if ($is_logged_in) {
603	765	$user_id = get_current_user_id(); // This will get the actual WordPress user ID
604	766	} else {
		@@ -608,65 +770,24 @@
608	770
609	771	// Get and sanitize the user identifier
610	772	$user_id = sanitize_key($user_id);
611	773
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'));
	774	+ // Check rate limit using new settings structure
	775	+ $rate_limit_result = $this->check_rate_limit();
615	776
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, $chat_count, DAY_IN_SECONDS);
	777	+ if ($rate_limit_result !== true) {
	778	+ wp_send_json([
	779	+ 'success' => false,
	780	+ 'message' => $rate_limit_result['message'],
	781	+ 'status' => 'rate_limit_exceeded'
	782	+ ]);
	783	+ wp_die();
661	784	}
662	785
663	786	// Rest of your existing code...
664	787	$session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
665		- //error_log("Session ID: $session_id");
666	788
667	789	if (empty($session_id)) {
668		- //error_log("Error: Session ID is missing.");
669	790	wp_send_json_error(esc_html__('Session ID is missing.', 'mxchat'));
670	791	wp_die();
671	792	}
672	793
		@@ -671,93 +792,268 @@
671	792	}
672	793
673	794	// Validate and sanitize the incoming message
674	795	if (empty($_POST['message'])) {
675		- //error_log("Error: No message received.");
676	796	wp_send_json_error(esc_html__('No message received.', 'mxchat'));
677	797	wp_die();
678	798	}
	799	+
	800	+
	801	+ // NEW: Track originating page for first message in session
	802	+$table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
679	803
	804	+// Check if originating page columns exist
	805	+$columns_exist = $wpdb->get_var("SHOW COLUMNS FROM $table_name LIKE 'originating_page_url'");
680	806
681		-// Modify the message sanitization to preserve PHP tags in code blocks
682		-$allowed_tags = [
683		- 'pre' => [],
684		- 'code' => ['class' => true],
685		- 'span' => ['class' => true],
686		- 'div' => ['class' => true],
687		-];
	807	+if ($columns_exist) {
	808	+ // Check if this session already has messages
	809	+ $message_count = $wpdb->get_var($wpdb->prepare(
	810	+ "SELECT COUNT(*) FROM $table_name WHERE session_id = %s",
	811	+ $session_id
	812	+ ));
	813	+
	814	+ // If this is the first message in the session
	815	+ if ($message_count == 0) {
	816	+ // Get originating page from JavaScript (preferred) or HTTP_REFERER (fallback)
	817	+ $originating_url = '';
	818	+ $originating_title = '';
	819	+
	820	+ // Try to get from POST data first (sent by JavaScript)
	821	+ if (isset($_POST['current_page_url'])) {
	822	+ $originating_url = esc_url_raw($_POST['current_page_url']);
	823	+ $originating_title = isset($_POST['current_page_title'])
	824	+ ? sanitize_text_field($_POST['current_page_title'])
	825	+ : '';
	826	+ }
	827	+ // Fallback to HTTP_REFERER if not provided by JavaScript
	828	+ else if (isset($_SERVER['HTTP_REFERER'])) {
	829	+ $originating_url = esc_url_raw($_SERVER['HTTP_REFERER']);
	830	+ }
	831	+
	832	+ // Generate title if we have URL but no title
	833	+ if ($originating_url && empty($originating_title)) {
	834	+ $parsed_url = parse_url($originating_url);
	835	+ $path = isset($parsed_url['path']) ? trim($parsed_url['path'], '/') : '';
	836	+
	837	+ if (empty($path) || $path === 'index.php' || $path === 'index.html') {
	838	+ $originating_title = 'Homepage';
	839	+ } else {
	840	+ // Clean up the path to make a readable title
	841	+ $originating_title = str_replace(['-', '_', '/', '.php', '.html'], ' ', $path);
	842	+ $originating_title = ucwords(trim($originating_title));
	843	+ }
	844	+ }
	845	+
	846	+ // Store for later use when saving the message
	847	+ $this->pending_originating_page = [
	848	+ 'url' => $originating_url,
	849	+ 'title' => $originating_title
	850	+ ];
	851	+ }
	852	+}
	853	+
	854	+
688	855
689		-// First preserve code blocks
690		-$message = preg_replace_callback('/<pre><code.*?>.*?<\/code><\/pre>/s', function($matches) {
691		- return htmlspecialchars_decode($matches[0]);
692		-}, $_POST['message']);
	856	+ // NEW: Get page context if provided
	857	+ $page_context = null;
	858	+ if (isset($_POST['page_context']) && !empty($_POST['page_context'])) {
	859	+ $page_context_raw = stripslashes($_POST['page_context']);
	860	+ $page_context = json_decode($page_context_raw, true);
	861	+
	862	+ // Validate page context structure
	863	+ if (is_array($page_context) &&
	864	+ isset($page_context['url']) &&
	865	+ isset($page_context['title']) &&
	866	+ isset($page_context['content'])) {
	867	+
	868	+ // Sanitize page context
	869	+ $page_context['url'] = esc_url_raw($page_context['url']);
	870	+ $page_context['title'] = sanitize_text_field($page_context['title']);
	871	+ $page_context['content'] = wp_kses_post($page_context['content']);
	872	+ } else {
	873	+ $page_context = null;
	874	+ }
	875	+ }
693	876
694		-// Then apply sanitization
695		-$message = wp_kses($message, $allowed_tags);
	877	+ // Modify the message sanitization to preserve PHP tags in code blocks
	878	+ $allowed_tags = [
	879	+ 'pre' => [],
	880	+ 'code' => ['class' => true],
	881	+ 'span' => ['class' => true],
	882	+ 'div' => ['class' => true],
	883	+ ];
696	884
697		-// Decode code blocks
698		-$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);
	885	+ // First preserve code blocks
	886	+ $message = preg_replace_callback('/<pre><code.*?>.*?<\/code><\/pre>/s', function($matches) {
	887	+ return htmlspecialchars_decode($matches[0]);
	888	+ }, $_POST['message']);
701	889
702		-$message = trim($message);
	890	+ // Then apply sanitization
	891	+ $message = wp_kses($message, $allowed_tags);
703	892
704		-// Preserve code blocks from markdown conversion
705		-$message = preg_replace('/```(\w+)?\s*([\s\S]+?)```/s', '<pre><code class="$1">$2</code></pre>', $message);
	893	+ // Preserve code blocks from markdown conversion
	894	+ $message = preg_replace('/```(\w+)?\s*([\s\S]+?)```/s', '<pre><code class="$1">$2</code></pre>', $message);
	895	+ $message = apply_filters('mxchat_filter_message', $message, 'prompt', $session_id);
706	896
707		- // Save the user's message
708		- $this->mxchat_save_chat_message($session_id, 'user', $message);
	897	+// ===== SIMPLIFIED TESTING PANEL INITIALIZATION =====
	898	+ // Always initialize testing data for admins (no toggle needed)
	899	+ $testing_data = null;
	900	+ if (current_user_can('administrator')) {
	901	+ // For vision messages, use the original user message for the query display
	902	+ $query_for_testing = $message;
	903	+ if (isset($_POST['vision_processed']) && $_POST['vision_processed'] && isset($_POST['original_user_message'])) {
	904	+ $query_for_testing = sanitize_textarea_field($_POST['original_user_message']);
	905	+ }
	906	+
	907	+ $testing_data = [
	908	+ 'query' => $query_for_testing,
	909	+ 'timestamp' => time(),
	910	+ 'top_matches' => [],
	911	+ 'action_matches' => [], // NEW: Initialize action matches array
	912	+ 'page_context' => $page_context, // NEW: Include page context in testing data
	913	+ 'is_vision' => isset($_POST['vision_processed']) && $_POST['vision_processed']
	914	+ ];
	915	+
	916	+ // Get similarity threshold
	917	+ $similarity_threshold = isset($this->options['similarity_threshold'])
	918	+ ? ((int) $this->options['similarity_threshold']) / 100
	919	+ : 0.75;
	920	+
	921	+ $testing_data['similarity_threshold'] = $similarity_threshold;
	922	+
	923	+ // Determine knowledge base type
	924	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	925	+ $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1');
	926	+ $testing_data['knowledge_base_type'] = $use_pinecone ? 'Pinecone' : 'WordPress Database';
	927	+ }
	928	+ // ===== END SIMPLIFIED TESTING INITIALIZATION =====
709	929
710		- // Check if the message is an email address
711		- if (is_email($message)) {
712		- // Add the email to Loops
713		- $this->add_email_to_loops($message);
	930	+// Add debug before and after:
	931	+//error_log('MxChat Core: About to call mxchat_pre_process_message filter with message: ' . $message);
	932	+$pre_processed_result = apply_filters('mxchat_pre_process_message', $message, $user_id, $session_id);
	933	+//error_log('MxChat Core: Filter returned: ' . (is_array($pre_processed_result) ? 'array' : $pre_processed_result));
714	934
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	935
719		- wp_send_json([
720		- 'success' => true,
721		- 'status' => 'email_captured',
722		- 'message' => $response_message
723		- ]);
	936	+ // If the pre-processing returned a result (not the original message), use it directly
	937	+ if (is_array($pre_processed_result) && isset($pre_processed_result['text'])) {
	938	+ // Save the AI response
	939	+ $this->mxchat_save_chat_message($session_id, 'bot', $pre_processed_result['text']);
	940	+
	941	+ // Save HTML content if provided
	942	+ if (!empty($pre_processed_result['html'])) {
	943	+ $this->mxchat_save_chat_message($session_id, 'bot', $pre_processed_result['html']);
	944	+ }
	945	+
	946	+ // Add testing data if admin
	947	+ $response_data = [
	948	+ 'text' => $pre_processed_result['text'],
	949	+ 'html' => $pre_processed_result['html'] ?? '',
	950	+ 'session_id' => $session_id
	951	+ ];
	952	+
	953	+ if ($testing_data !== null) {
	954	+ $response_data['testing_data'] = $testing_data;
	955	+ }
	956	+
	957	+ wp_send_json($response_data);
724	958	wp_die();
725	959	}
726	960
	961	+ // Save the user's message - handle vision processed messages differently
	962	+ if (isset($_POST['vision_processed']) && $_POST['vision_processed'] && isset($_POST['original_user_message'])) {
	963	+ // For vision messages, save the original user message with image indicator
	964	+ $original_message = sanitize_textarea_field($_POST['original_user_message']);
	965	+ if (isset($_POST['vision_images_count']) && $_POST['vision_images_count'] > 0) {
	966	+ $image_count = intval($_POST['vision_images_count']);
	967	+ $original_message .= " [{$image_count} image(s)]";
	968	+ }
	969	+ $this->mxchat_save_chat_message($session_id, 'user', $original_message);
	970	+ } else {
	971	+ // Regular message - save as normal
	972	+ $this->mxchat_save_chat_message($session_id, 'user', $message);
	973	+ }
	974	+
	975	+
	976	+if (is_email($message)) {
	977	+ // Add the email to Loops
	978	+ $this->add_email_to_loops($message);
	979	+
	980	+ // Get the user's success message instruction
	981	+ $user_success_message = $this->options['email_capture_response'] ?? __('Thank you for providing your email! You\'ve been added to our list.', 'mxchat');
	982	+
	983	+ // Set instruction for AI using the user's success message
	984	+ $this->current_action_instruction = $user_success_message;
	985	+
	986	+ // Clear the email capture transient since we got the email
	987	+ delete_transient('mxchat_email_capture_' . $user_id);
	988	+ }
	989	+
	990	+ // NEW: Check if we're in an email capture flow but user hasn't provided email yet
	991	+ elseif (get_transient('mxchat_email_capture_' . $user_id)) {
	992	+ // Check if the message contains an email (not the whole message being an email)
	993	+ if (preg_match('/\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b/', $message, $matches)) {
	994	+ $extracted_email = $matches[0];
	995	+
	996	+ // Add the extracted email to Loops
	997	+ $this->add_email_to_loops($extracted_email);
	998	+
	999	+ // Get the user's success message instruction
	1000	+ $user_success_message = $this->options['email_capture_response'] ?? __('Thank you for providing your email! You\'ve been added to our list.', 'mxchat');
	1001	+
	1002	+ // Set instruction for AI using the user's success message
	1003	+ $this->current_action_instruction = $user_success_message;
	1004	+
	1005	+ // Clear the email capture transient since we got the email
	1006	+ delete_transient('mxchat_email_capture_' . $user_id);
	1007	+ }
	1008	+ // If no email found but we're in capture mode, remind them
	1009	+ else {
	1010	+ // Get the original instruction to remind them
	1011	+ $original_instruction = $this->options['triggered_phrase_response'] ?? __("Please provide your email address.", 'mxchat');
	1012	+ $this->current_action_instruction = $original_instruction;
	1013	+ }
	1014	+ }
	1015	+
727	1016	$intent_info = '';
728	1017
729	1018	// Check chat mode
730	1019	$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
731		- //error_log("Chat Mode: $chat_mode");
732	1020
733	1021	// Handle agent mode
	1022	+// Handle agent mode
734	1023	if ($chat_mode === 'agent') {
735	1024	// First, check for switch intent before doing anything else
736	1025	$intent_matched = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
737	1026
738		- // If we matched an intent and it's the switch intent, handle it
	1027	+ // NEW: Capture action analysis for testing panel after intent check
	1028	+ if ($testing_data !== null && isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	1029	+ $testing_data['action_matches'] = $this->last_action_analysis;
	1030	+ }
	1031	+
	1032	+ // Around line 506, in the agent mode handling section:
739	1033	if ($intent_matched && !empty($this->fallbackResponse['text'])) {
740		- //error_log("Switch to chatbot intent detected");
741		-
742	1034	// Update chat mode first
743	1035	update_option("mxchat_mode_{$session_id}", 'ai');
744		-
	1036	+
745	1037	// Clear any existing PDF context to start fresh
746	1038	$this->clear_pdf_transients($session_id);
747		-
748		- // Prepare clean switch response
	1039	+
	1040	+ // Prepare clean switch response with explicit chat_mode
749	1041	$response_data = [
750	1042	'text' => $this->fallbackResponse['text'],
751		- 'html' => '',
	1043	+ 'html' => $this->fallbackResponse['html'] ?? '',
752	1044	'session_id' => $session_id,
753		- 'chat_mode' => 'ai'
	1045	+ 'chat_mode' => 'ai' // EXPLICITLY SET THIS
754	1046	];
755		-
	1047	+
	1048	+ if ($testing_data !== null) {
	1049	+ $response_data['testing_data'] = $testing_data;
	1050	+ }
	1051	+
756	1052	// Save the mode switch message
757	1053	$this->mxchat_save_chat_message($session_id, 'system', esc_html__('Switched to AI chat mode', 'mxchat'));
758	1054	$this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']);
759		-
	1055	+
760	1056	// Send response and exit
761	1057	wp_send_json($response_data);
762	1058	wp_die();
763	1059	} elseif (!$intent_matched) {
		@@ -763,16 +1059,20 @@
763	1059	} elseif (!$intent_matched) {
764	1060	// No intent matched, handle live agent message
765	1061	try {
766	1062	$this->mxchat_send_user_message_to_agent($message, $user_id, $session_id);
767		- //error_log("Message sent to agent.");
768	1063
769		- wp_send_json_success([
	1064	+ $agent_response = [
770	1065	'status' => 'waiting_for_agent',
771	1066	'message' => esc_html__('Message sent to live agent.', 'mxchat')
772		- ]);
	1067	+ ];
	1068	+
	1069	+ if ($testing_data !== null) {
	1070	+ $agent_response['testing_data'] = $testing_data;
	1071	+ }
	1072	+
	1073	+ wp_send_json_success($agent_response);
773	1074	} catch (\Exception $e) {
774		- //error_log("Error sending message to agent: " . $e->getMessage());
775	1075	wp_send_json_error(esc_html__('Failed to send message to agent', 'mxchat'));
776	1076	}
777	1077	wp_die();
778	1078	}
		@@ -777,160 +1077,307 @@
777	1077	wp_die();
778	1078	}
779	1079	}
780	1080
781		- // Step 1: Check for new PDF URL in the message
782		- if (preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) {
783		- $new_pdf_url = $matches[0];
	1081	+ // Step 1: Check for new PDF URL in the message
	1082	+ if (!isset($_POST['vision_processed']) && preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) {
	1083	+ $new_pdf_url = $matches[0];
784	1084
785		- // Check if this is likely a PDF-related request
786		- $pdf_keywords = ['pdf', 'document', 'read', 'analyze'];
787		- $is_pdf_request = false;
	1085	+ // Check if this is likely a PDF-related request
	1086	+ $pdf_keywords = ['pdf', 'document', 'read', 'analyze'];
	1087	+ $is_pdf_request = false;
788	1088
789		- foreach ($pdf_keywords as $keyword) {
790		- if (stripos($message, $keyword) !== false) {
791		- $is_pdf_request = true;
792		- break;
793		- }
	1089	+ foreach ($pdf_keywords as $keyword) {
	1090	+ if (stripos($message, $keyword) !== false) {
	1091	+ $is_pdf_request = true;
	1092	+ break;
794	1093	}
	1094	+ }
795	1095
796		- // If it looks like a PDF request or we're waiting for a PDF URL
797		- if ($is_pdf_request || get_transient('mxchat_waiting_for_pdf_url_' . $session_id)) {
798		- // Validate HTTPS
799		- if (wp_http_validate_url($new_pdf_url) && parse_url($new_pdf_url, PHP_URL_SCHEME) === 'https') {
800		- // Extract filename from URL
801		- $pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH));
	1096	+ // If it looks like a PDF request or we're waiting for a PDF URL
	1097	+ if ($is_pdf_request || get_transient('mxchat_waiting_for_pdf_url_' . $session_id)) {
	1098	+ // Validate HTTPS
	1099	+ if (wp_http_validate_url($new_pdf_url) && parse_url($new_pdf_url, PHP_URL_SCHEME) === 'https') {
	1100	+ // Extract filename from URL
	1101	+ $pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH));
802	1102
803		- // Clear previous PDF transients
804		- $this->clear_pdf_transients($session_id);
	1103	+ // Clear previous PDF transients
	1104	+ $this->clear_pdf_transients($session_id);
805	1105
806		- // Process new PDF
807		- $max_pages = $this->options['pdf_max_pages'] ?? 69;
808		- $embeddings = $this->fetch_and_split_pdf_pages($new_pdf_url, $max_pages);
	1106	+ // Process new PDF
	1107	+ $max_pages = $this->options['pdf_max_pages'] ?? 69;
	1108	+ $embeddings = $this->fetch_and_split_pdf_pages($new_pdf_url, $max_pages);
809	1109
810		- if ($embeddings === 'too_many_pages') {
811		- $error_text = sprintf(
812		- $this->options['pdf_intent_error_text'] ??
813		- esc_html__("The provided PDF exceeds the maximum allowed limit of %d pages. Please provide a smaller document.", 'mxchat'),
814		- $max_pages
815		- );
816		- $this->fallbackResponse['text'] = $error_text;
817		- } elseif ($embeddings) {
818		- // Store new PDF information
819		- // Create a more meaningful filename from URL
820		- $pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH));
	1110	+ if ($embeddings === 'too_many_pages') {
	1111	+ $error_text = sprintf(
	1112	+ $this->options['pdf_intent_error_text'] ??
	1113	+ esc_html__("The provided PDF exceeds the maximum allowed limit of %d pages. Please provide a smaller document.", 'mxchat'),
	1114	+ $max_pages
	1115	+ );
	1116	+ $this->fallbackResponse['text'] = $error_text;
	1117	+ } elseif ($embeddings) {
	1118	+ // Store new PDF information
	1119	+ $pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH));
821	1120
822		- // If the filename is generic (like results_download.php), create a more descriptive one
823		- if (in_array($pdf_filename, ['results_download.php', 'download.php', 'view.php', 'pdf.php']) ||
824		- strpos($pdf_filename, '.php') !== false) {
825		- // Create a timestamp-based name
826		- $pdf_filename = 'Document_' . date('Y-m-d_H-i') . '.pdf';
827		- }
	1121	+ // If the filename is generic, create a more descriptive one
	1122	+ if (in_array($pdf_filename, ['results_download.php', 'download.php', 'view.php', 'pdf.php']) ||
	1123	+ strpos($pdf_filename, '.php') !== false) {
	1124	+ $pdf_filename = 'Document_' . date('Y-m-d_H-i') . '.pdf';
	1125	+ }
828	1126
829		- set_transient('mxchat_pdf_url_' . $session_id, $new_pdf_url, HOUR_IN_SECONDS);
830		- set_transient('mxchat_pdf_filename_' . $session_id, $pdf_filename, HOUR_IN_SECONDS);
831		- set_transient('mxchat_pdf_embeddings_' . $session_id, $embeddings, HOUR_IN_SECONDS);
832		- set_transient('mxchat_include_pdf_in_context_' . $session_id, true, HOUR_IN_SECONDS);
	1127	+ set_transient('mxchat_pdf_url_' . $session_id, $new_pdf_url, HOUR_IN_SECONDS);
	1128	+ set_transient('mxchat_pdf_filename_' . $session_id, $pdf_filename, HOUR_IN_SECONDS);
	1129	+ set_transient('mxchat_pdf_embeddings_' . $session_id, $embeddings, HOUR_IN_SECONDS);
	1130	+ set_transient('mxchat_include_pdf_in_context_' . $session_id, true, HOUR_IN_SECONDS);
833	1131
834		- $success_text = $this->options['pdf_intent_success_text'] ??
835		- esc_html__("I've processed the new PDF '{$pdf_filename}'. What questions do you have about it?", 'mxchat');
	1132	+ $success_text = $this->options['pdf_intent_success_text'] ??
	1133	+ esc_html__("I've processed the new PDF '{$pdf_filename}'. What questions do you have about it?", 'mxchat');
836	1134
837		- // Return success with filename for UI update
838		- wp_send_json([
839		- 'success' => true,
840		- 'message' => $success_text,
841		- 'data' => [
842		- 'filename' => $pdf_filename
843		- ]
844		- ]);
845		- wp_die();
846		- } else {
847		- $error_text = $this->options['pdf_intent_error_text'] ??
848		- esc_html__("Sorry, I couldn't process the PDF. Please ensure it's a valid file.", 'mxchat');
849		- $this->fallbackResponse['text'] = $error_text;
	1135	+ $pdf_response = [
	1136	+ 'success' => true,
	1137	+ 'message' => $success_text,
	1138	+ 'data' => [
	1139	+ 'filename' => $pdf_filename
	1140	+ ]
	1141	+ ];
	1142	+
	1143	+ if ($testing_data !== null) {
	1144	+ $pdf_response['testing_data'] = $testing_data;
850	1145	}
851	1146
852		- wp_send_json([
853		- 'success' => false,
854		- 'message' => $this->fallbackResponse['text']
855		- ]);
	1147	+ wp_send_json($pdf_response);
856	1148	wp_die();
	1149	+ } else {
	1150	+ $error_text = $this->options['pdf_intent_error_text'] ??
	1151	+ esc_html__("Sorry, I couldn't process the PDF. Please ensure it's a valid file.", 'mxchat');
	1152	+ $this->fallbackResponse['text'] = $error_text;
857	1153	}
	1154	+
	1155	+ $pdf_error_response = [
	1156	+ 'success' => false,
	1157	+ 'message' => $this->fallbackResponse['text']
	1158	+ ];
	1159	+
	1160	+ if ($testing_data !== null) {
	1161	+ $pdf_error_response['testing_data'] = $testing_data;
	1162	+ }
	1163	+
	1164	+ wp_send_json($pdf_error_response);
	1165	+ wp_die();
858	1166	}
859	1167	}
	1168	+ }
860	1169
	1170	+ // Check if there's an active recommendation flow session
	1171	+ $flow_state = get_option("mxchat_sr_flow_state_{$session_id}", array());
	1172	+ if (!empty($flow_state) && isset($flow_state['flow_id'])) {
	1173	+ // Create a dummy intent object that matches the original intent
	1174	+ $dummy_intent = new stdClass();
	1175	+ $dummy_intent->intent_label = 'Recommendation Flow ' . $flow_state['flow_id'];
	1176	+ $dummy_intent->phrases = ''; // Empty phrases to avoid matching the original trigger
	1177	+
	1178	+ // Call the recommendation flow handler directly
	1179	+ $response_data = apply_filters('mxchat_sr_recommendation_flow', false, $message, $user_id, $session_id, $dummy_intent);
	1180	+
	1181	+ // If the handler returned a response, send it
	1182	+ if (is_array($response_data) && (isset($response_data['text']) || isset($response_data['html']))) {
	1183	+ // Save the bot's response to the chat history
	1184	+ if (!empty($response_data['text'])) {
	1185	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_data['text']);
	1186	+ }
	1187	+ if (!empty($response_data['html'])) {
	1188	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_data['html']);
	1189	+ }
	1190	+
	1191	+ if ($testing_data !== null) {
	1192	+ $response_data['testing_data'] = $testing_data;
	1193	+ }
	1194	+
	1195	+ // Send the response
	1196	+ wp_send_json($response_data);
	1197	+ wp_die();
	1198	+ }
	1199	+ }
	1200	+
861	1201	// 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"));
	1202	+ $intent_result = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
864	1203
865		- // Step 3: If intent is matched and handled, respond immediately
866		- if ($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();
	1204	+ // NEW: Capture action analysis for testing panel after intent check
	1205	+ if ($testing_data !== null && isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	1206	+ $testing_data['action_matches'] = $this->last_action_analysis;
876	1207	}
877	1208
878		- // If no intent matched or product not found, proceed with AI response
879		- //error_log("No matching intent or fallback. Generating AI response.");
	1209	+ // Step 3: Handle the intent result appropriately
	1210	+ if ($intent_result !== false) {
	1211	+ // Intent was matched - ALWAYS send as JSON response, never streaming
	1212	+
	1213	+ if (is_array($intent_result) && (isset($intent_result['text']) || isset($intent_result['html']))) {
	1214	+ // Intent returned a direct response array
	1215	+ $response_data = [
	1216	+ 'text' => $intent_result['text'] ?? '',
	1217	+ 'html' => $intent_result['html'] ?? '',
	1218	+ 'session_id' => $session_id
	1219	+ ];
	1220	+
	1221	+ if ($testing_data !== null) {
	1222	+ $response_data['testing_data'] = $testing_data;
	1223	+ }
	1224	+
	1225	+ // Clear streaming headers if they were set
	1226	+ if ($is_streaming) {
	1227	+ header_remove('Content-Type');
	1228	+ header_remove('Cache-Control');
	1229	+ header_remove('Connection');
	1230	+ header_remove('X-Accel-Buffering');
	1231	+ header('Content-Type: application/json');
	1232	+ }
	1233	+
	1234	+ wp_send_json($response_data);
	1235	+ wp_die();
	1236	+ } else if ($intent_result === true && (!empty($this->fallbackResponse['text']) || !empty($this->fallbackResponse['html']))) {
	1237	+ // Intent returned true and set fallbackResponse
	1238	+
	1239	+ // SAVE TO TRANSCRIPT FIRST
	1240	+ if (!empty($this->fallbackResponse['text'])) {
	1241	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']);
	1242	+ }
	1243	+ if (!empty($this->fallbackResponse['html'])) {
	1244	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['html']);
	1245	+ }
	1246	+
	1247	+ $response_data = [
	1248	+ 'text' => $this->fallbackResponse['text'] ?? '',
	1249	+ 'html' => $this->fallbackResponse['html'] ?? '',
	1250	+ 'session_id' => $session_id
	1251	+ ];
	1252	+
	1253	+ if (isset($this->fallbackResponse['chat_mode'])) {
	1254	+ $response_data['chat_mode'] = $this->fallbackResponse['chat_mode'];
	1255	+ }
	1256	+
	1257	+ if ($testing_data !== null) {
	1258	+ $response_data['testing_data'] = $testing_data;
	1259	+ }
	1260	+
	1261	+ // Clear streaming headers if they were set
	1262	+ if ($is_streaming) {
	1263	+ header_remove('Content-Type');
	1264	+ header_remove('Cache-Control');
	1265	+ header_remove('Connection');
	1266	+ header_remove('X-Accel-Buffering');
	1267	+ header('Content-Type: application/json');
	1268	+ }
	1269	+
	1270	+ wp_send_json($response_data);
	1271	+ wp_die();
	1272	+ }
	1273	+ }
880	1274
	1275	+ // If we get here, no intent matched OR the intent didn't provide a usable response
	1276	+
881	1277	// Step 4: Generate AI response
882	1278	$conversation_history = $this->mxchat_fetch_conversation_history_for_ai($session_id);
883	1279	$this->mxchat_increment_chat_count();
884		-
	1280	+
885	1281	// Generate embedding for the user's query
886	1282	$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 $session_id");
889		- wp_send_json_error(esc_html__('Error processing your message.', 'mxchat'));
	1283	+
	1284	+ // Check if the embedding generation returned an error
	1285	+ if (is_array($user_message_embedding) && isset($user_message_embedding['error'])) {
	1286	+ $error_message = $user_message_embedding['error'];
	1287	+ $error_code = $user_message_embedding['error_code'] ?? 'embedding_error';
	1288	+
	1289	+ wp_send_json_error([
	1290	+ 'error_message' => $error_message,
	1291	+ 'error_code' => $error_code
	1292	+ ]);
890	1293	wp_die();
891	1294	}
	1295	+
	1296	+ // Check if the embedding is valid
	1297	+ if (!is_array($user_message_embedding) || empty($user_message_embedding)) {
	1298	+ wp_send_json_error([
	1299	+ 'error_message' => esc_html__('Unable to process your message. The embedding service is not responding correctly.', 'mxchat'),
	1300	+ 'error_code' => 'invalid_embedding'
	1301	+ ]);
	1302	+ wp_die();
	1303	+ }
892	1304
893	1305	// Build context with both knowledge base and PDF content if available
894	1306	$context_content = "User asked: '{$message}'\n\n";
	1307	+
	1308	+ // NEW: Add action instruction if present (add this right after the above line)
	1309	+ if (!empty($this->current_action_instruction)) {
	1310	+ $context_content .= "===== SPECIAL INSTRUCTION =====\n";
	1311	+ $context_content .= "IMPORTANT: " . $this->current_action_instruction . "\n";
	1312	+ $context_content .= "Respond naturally and conversationally while following this instruction.\n";
	1313	+ $context_content .= "===== END SPECIAL INSTRUCTION =====\n\n";
	1314	+
	1315	+ // Clear the instruction after using it
	1316	+ $this->current_action_instruction = null;
	1317	+ }
895	1318
896		- // Get relevant content from knowledge base
	1319	+
	1320	+ // NEW: Add page context if available and contextual awareness is enabled
	1321	+ if ($page_context && isset($this->options['contextual_awareness_toggle']) && $this->options['contextual_awareness_toggle'] === 'on') {
	1322	+ $context_content .= "===== CURRENT PAGE CONTEXT =====\n";
	1323	+ $context_content .= "Page URL: " . $page_context['url'] . "\n";
	1324	+ $context_content .= "Page Title: " . $page_context['title'] . "\n";
	1325	+ $context_content .= "Page Content: " . $page_context['content'] . "\n";
	1326	+ $context_content .= "===== END CURRENT PAGE CONTEXT =====\n\n";
	1327	+ }
	1328	+
	1329	+ // Get relevant content from knowledge base - THIS IS WHERE THE SIMILARITY ANALYSIS HAPPENS
897	1330	$relevant_content = $this->mxchat_find_relevant_content($user_message_embedding);
	1331	+
	1332	+ // ===== CAPTURE REAL SIMILARITY DATA FOR ADMINS =====
	1333	+ if ($testing_data !== null && $this->last_similarity_analysis !== null) {
	1334	+ // Update testing data with the REAL similarity analysis
	1335	+ $testing_data['top_matches'] = $this->last_similarity_analysis['top_matches'];
	1336	+ $testing_data['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0;
	1337	+ $testing_data['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'];
	1338	+ }
	1339	+ // ===== END SIMILARITY DATA CAPTURE =====
	1340	+
898	1341	if (!empty($relevant_content)) {
899		- $context_content .= "Relevant content from knowledge database:\n" . $relevant_content . "\n\n";
	1342	+ $context_content .= "===== OFFICIAL KNOWLEDGE DATABASE CONTENT =====\n" . $relevant_content . "\n===== END OF OFFICIAL KNOWLEDGE DATABASE CONTENT =====\n\n";
	1343	+ } else {
	1344	+ $context_content .= "===== NO RELEVANT CONTENT FOUND IN KNOWLEDGE DATABASE =====\n";
900	1345	}
901	1346
902		-
903		- // Check for and include PDF content
904		- $pdf_url = get_transient('mxchat_pdf_url_' . $session_id);
905		- $pdf_embeddings = get_transient('mxchat_pdf_embeddings_' . $session_id);
906		- $pdf_filename = get_transient('mxchat_pdf_filename_' . $session_id);
907		- if ($pdf_url && $pdf_embeddings && get_transient('mxchat_include_pdf_in_context_' . $session_id)) {
908		- $relevant_pdf_pages = $this->find_relevant_pdf_pages($user_message_embedding, $pdf_embeddings);
909		- if (!empty($relevant_pdf_pages)) {
910		- $context_content .= "Relevant content from PDF document '{$pdf_filename}':\n";
911		- foreach ($relevant_pdf_pages as $page_data) {
912		- $context_content .= "Page {$page_data['page_number']} of '{$pdf_filename}': {$page_data['text']}\n";
913		- }
914		- $context_content .= "\n";
	1347	+ // Check for and include PDF content
	1348	+ $pdf_url = get_transient('mxchat_pdf_url_' . $session_id);
	1349	+ $pdf_embeddings = get_transient('mxchat_pdf_embeddings_' . $session_id);
	1350	+ $pdf_filename = get_transient('mxchat_pdf_filename_' . $session_id);
	1351	+ if ($pdf_url && $pdf_embeddings && get_transient('mxchat_include_pdf_in_context_' . $session_id)) {
	1352	+ $relevant_pdf_pages = $this->find_relevant_pdf_pages($user_message_embedding, $pdf_embeddings);
	1353	+ if (!empty($relevant_pdf_pages)) {
	1354	+ $context_content .= "Relevant content from PDF document '{$pdf_filename}':\n";
	1355	+ foreach ($relevant_pdf_pages as $page_data) {
	1356	+ $context_content .= "Page {$page_data['page_number']} of '{$pdf_filename}': {$page_data['text']}\n";
915	1357	}
	1358	+ $context_content .= "\n";
916	1359	}
	1360	+ }
917	1361
918		- // Check for and include Word content
919		- $word_url = get_transient('mxchat_word_url_' . $session_id);
920		- $word_embeddings = get_transient('mxchat_word_embeddings_' . $session_id);
921		- $word_filename = get_transient('mxchat_word_filename_' . $session_id);
922		- if ($word_url && $word_embeddings && get_transient('mxchat_include_word_in_context_' . $session_id)) {
923		- $relevant_word_chunks = $this->word_handler->mxchat_find_relevant_word_chunks($user_message_embedding, $word_embeddings);
924		- if (!empty($relevant_word_chunks)) {
925		- $context_content .= "Relevant content from Word document '{$word_filename}':\n";
926		- foreach ($relevant_word_chunks as $chunk_data) {
927		- $context_content .= "Section {$chunk_data['chunk_number']} of '{$word_filename}': {$chunk_data['text']}\n";
928		- }
929		- $context_content .= "\n";
	1362	+ // Check for and include Word content
	1363	+ $word_url = get_transient('mxchat_word_url_' . $session_id);
	1364	+ $word_embeddings = get_transient('mxchat_word_embeddings_' . $session_id);
	1365	+ $word_filename = get_transient('mxchat_word_filename_' . $session_id);
	1366	+ if ($word_url && $word_embeddings && get_transient('mxchat_include_word_in_context_' . $session_id)) {
	1367	+ $relevant_word_chunks = $this->word_handler->mxchat_find_relevant_word_chunks($user_message_embedding, $word_embeddings);
	1368	+ if (!empty($relevant_word_chunks)) {
	1369	+ $context_content .= "Relevant content from Word document '{$word_filename}':\n";
	1370	+ foreach ($relevant_word_chunks as $chunk_data) {
	1371	+ $context_content .= "Section {$chunk_data['chunk_number']} of '{$word_filename}': {$chunk_data['text']}\n";
930	1372	}
	1373	+ $context_content .= "\n";
931	1374	}
932		- // Generate the response using the full context
	1375	+ }
	1376	+
	1377	+ $context_content = apply_filters('mxchat_prepare_context', $context_content, $session_id);
	1378	+
	1379	+ // Generate response
933	1380	$response = $this->mxchat_generate_response(
934	1381	$context_content,
935	1382	$this->options['api_key'],
936	1383	$this->options['xai_api_key'],
		@@ -935,11 +1382,34 @@
935	1382	$this->options['api_key'],
936	1383	$this->options['xai_api_key'],
937	1384	$this->options['claude_api_key'],
938	1385	$this->options['deepseek_api_key'],
939		- $conversation_history
	1386	+ $this->options['gemini_api_key'],
	1387	+ $conversation_history,
	1388	+ $is_streaming,
	1389	+ $session_id,
	1390	+ $testing_data
940	1391	);
941		-
	1392	+
	1393	+ // Handle streaming vs non-streaming responses
	1394	+ if ($is_streaming) {
	1395	+ // Check if streaming actually happened or if it fell back to regular response
	1396	+ if ($response === true) {
	1397	+ wp_die();
	1398	+ }
	1399	+ // If we get here, streaming fell back to regular response, continue
	1400	+ }
	1401	+
	1402	+ // Check if the response is an error array
	1403	+ if (is_array($response) && isset($response['error'])) {
	1404	+ wp_send_json_error([
	1405	+ 'error_message' => $response['error'],
	1406	+ 'error_code' => $response['error_code'] ?? 'api_error'
	1407	+ ]);
	1408	+ wp_die();
	1409	+ }
	1410	+
	1411	+ // If we get here, the response is valid text
942	1412	$this->mxchat_save_chat_message($session_id, 'bot', $response);
943	1413
944	1414	// Step 5: Save additional content if available
945	1415	if (!empty($this->productCardHtml)) {
		@@ -956,48 +1426,59 @@
956	1426	'html' => !empty($this->productCardHtml) ? $this->productCardHtml : ($this->fallbackResponse['html'] ?? ''),
957	1427	'session_id' => $session_id
958	1428	];
959	1429
	1430	+ // Always add testing data for admins (no toggle needed)
	1431	+ if ($testing_data !== null) {
	1432	+ $response_data['testing_data'] = $testing_data;
	1433	+ }
	1434	+
960	1435	wp_send_json($response_data);
961	1436	wp_die();
962	1437	}
963	1438
964		-// New function to check intents and invoke the callback function
	1439	+// Updated function to check intents and invoke the callback function
965	1440	private function mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id) {
966	1441	global $wpdb;
967	1442	$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
968	1443
969		- //error_log('🔍 MXCHAT DEBUG: Intent Check Started ==================');
970		- //error_log("🔍 MXCHAT DEBUG: Message: '$message'");
971		- //error_log("🔍 MXCHAT DEBUG: Chat Mode: $chat_mode");
972		-
973	1444	// Generate the user embedding
974		- //error_log('🔄 MXCHAT DEBUG: Generating user embedding');
975	1445	$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;
	1446	+
	1447	+ // Check if embedding generation returned an error
	1448	+ if (is_array($user_embedding) && isset($user_embedding['error'])) {
	1449	+ $error_message = $user_embedding['error'];
	1450	+ $error_code = $user_embedding['error_code'] ?? 'embedding_error';
	1451	+
	1452	+ wp_send_json_error([
	1453	+ 'error_message' => $error_message,
	1454	+ 'error_code' => $error_code
	1455	+ ]);
	1456	+ wp_die();
979	1457	}
980		- //error_log('✅ MXCHAT DEBUG: User embedding generated successfully');
981	1458
	1459	+ // Check if embedding is valid
	1460	+ if (!is_array($user_embedding) || empty($user_embedding)) {
	1461	+ wp_send_json_error([
	1462	+ 'error_message' => esc_html__('Unable to process your message. The embedding service is not responding correctly.', 'mxchat'),
	1463	+ 'error_code' => 'invalid_embedding'
	1464	+ ]);
	1465	+ wp_die();
	1466	+ }
	1467	+
982	1468	// Fetch intents from the database
983	1469	$table_name = $wpdb->prefix . 'mxchat_intents';
984	1470	if ($chat_mode === 'agent') {
985		- //error_log('🔍 MXCHAT DEBUG: Agent mode - fetching only chatbot switch intent');
986	1471	$query = $wpdb->prepare(
987		- "SELECT * FROM $table_name WHERE callback_function = %s",
	1472	+ "SELECT * FROM $table_name WHERE callback_function = %s AND (enabled = 1 OR enabled IS NULL)",
988	1473	'mxchat_handle_switch_to_chatbot_intent'
989	1474	);
990	1475	$intents = $wpdb->get_results($query);
991	1476	} else {
992		- //error_log('🔍 MXCHAT DEBUG: AI mode - fetching all intents');
993		- $intents = $wpdb->get_results("SELECT * FROM $table_name");
	1477	+ $intents = $wpdb->get_results("SELECT * FROM $table_name WHERE enabled = 1 OR enabled IS NULL");
994	1478	}
995	1479
996		- //error_log('🔍 MXCHAT DEBUG: Found ' . count($intents) . ' intents to check');
997		-
998	1480	if (empty($intents)) {
999		- //error_log('❌ MXCHAT DEBUG: No intents found in database');
1000	1481	return false;
1001	1482	}
1002	1483
1003	1484	$highest_similarity = -INF;
		@@ -1002,11 +1483,17 @@
1002	1483
1003	1484	$highest_similarity = -INF;
1004	1485	$matched_intent = null;
1005	1486
1006		- //error_log('📊 MXCHAT DEBUG: Intent Similarity Scores ==================');
	1487	+ // NEW: Array to store action analysis for testing panel
	1488	+ $action_analysis = [];
	1489	+
1007	1490	foreach ($intents as $intent) {
1008		- //error_log("🔄 MXCHAT DEBUG: Checking intent: '{$intent->intent_label}' (callback: {$intent->callback_function})");
	1491	+ // Additional check for enabled state
	1492	+ $is_enabled = isset($intent->enabled) ? (bool)$intent->enabled : true;
	1493	+ if (!$is_enabled) {
	1494	+ continue;
	1495	+ }
1009	1496
1010	1497	$intent_embedding_serialized = $intent->embedding_vector;
1011	1498	$intent_embedding = $intent_embedding_serialized
1012	1499	? unserialize($intent_embedding_serialized, ['allowed_classes' => false])
		@@ -1012,9 +1499,8 @@
1012	1499	? unserialize($intent_embedding_serialized, ['allowed_classes' => false])
1013	1500	: null;
1014	1501
1015	1502	if (!is_array($intent_embedding)) {
1016		- //error_log("❌ MXCHAT DEBUG: Invalid embedding for intent: {$intent->intent_label}");
1017	1503	continue;
1018	1504	}
1019	1505
1020	1506	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $intent_embedding);
		@@ -1019,61 +1505,84 @@
1019	1505
1020	1506	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $intent_embedding);
1021	1507	$intent_threshold = isset($intent->similarity_threshold) ? $intent->similarity_threshold : 0.85;
1022	1508
	1509	+ // NEW: Store action analysis data for testing panel
	1510	+ $action_analysis[] = [
	1511	+ 'intent_label' => $intent->intent_label,
	1512	+ 'callback_function' => $intent->callback_function,
	1513	+ 'similarity' => round($similarity, 4),
	1514	+ 'similarity_percentage' => round($similarity * 100, 2),
	1515	+ 'threshold' => $intent_threshold,
	1516	+ 'threshold_percentage' => round($intent_threshold * 100, 2),
	1517	+ 'above_threshold' => $similarity >= $intent_threshold,
	1518	+ 'triggered' => false // Will be updated below if this intent is triggered
	1519	+ ];
1023	1520
1024	1521	if ($similarity >= $intent_threshold && $similarity > $highest_similarity) {
1025	1522	$highest_similarity = $similarity;
1026	1523	$matched_intent = $intent;
1027		- //error_log("✅ MXCHAT DEBUG: New best match: '{$intent->intent_label}' with similarity {$similarity}");
1028	1524	}
1029	1525	}
1030		- //error_log('📊 MXCHAT DEBUG: End Intent Scores ==================');
1031	1526
	1527	+ // NEW: Mark the triggered action if any
1032	1528	if ($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		-
1036		- // If the callback is a method on this instance (core callback), call it directly
1037		- if (method_exists($this, $matched_intent->callback_function)) {
1038		- //error_log('🔍 MXCHAT DEBUG: Using direct method call for core callback');
1039		- $callback_result = call_user_func(
1040		- [$this, $matched_intent->callback_function],
1041		- $message,
1042		- $user_id,
1043		- $session_id,
1044		- $matched_intent,
1045		- $user_context // Add user context
1046		- );
	1529	+ foreach ($action_analysis as &$action) {
	1530	+ if ($action['intent_label'] === $matched_intent->intent_label) {
	1531	+ $action['triggered'] = true;
	1532	+ break;
	1533	+ }
	1534	+ }
	1535	+ }
	1536	+
	1537	+ // NEW: Sort actions by similarity (highest first) and store for testing panel
	1538	+ usort($action_analysis, function($a, $b) {
	1539	+ return $b['similarity'] <=> $a['similarity'];
	1540	+ });
	1541	+
	1542	+ // Store action analysis for testing panel capture
	1543	+ $this->last_action_analysis = $action_analysis;
	1544	+
	1545	+ // Around line 715 in your mxchat_check_intent_and_invoke_callback function
	1546	+if ($matched_intent) {
	1547	+ // If the callback is a method on this instance (core callback), call it directly
	1548	+ if (method_exists($this, $matched_intent->callback_function)) {
	1549	+ $callback_result = call_user_func(
	1550	+ [$this, $matched_intent->callback_function],
	1551	+ $message,
	1552	+ $user_id,
	1553	+ $session_id,
	1554	+ $matched_intent,
	1555	+ $user_context ?? null
	1556	+ );
	1557	+ } else {
	1558	+ // Otherwise, use apply_filters for add-on callbacks
	1559	+ $callback_result = apply_filters(
	1560	+ $matched_intent->callback_function,
	1561	+ false,
	1562	+ $message,
	1563	+ $user_id,
	1564	+ $session_id,
	1565	+ $matched_intent
	1566	+ );
	1567	+ }
	1568	+
	1569	+ // Handle the callback result properly
	1570	+ if ($callback_result !== false) {
	1571	+ // If callback returned an array with chat_mode, use it directly
	1572	+ if (is_array($callback_result) && isset($callback_result['chat_mode'])) {
	1573	+ $this->fallbackResponse = $callback_result;
	1574	+ return $callback_result; // Return the full array
1047	1575	} else {
1048		- //error_log('🔍 MXCHAT DEBUG: Using apply_filters for add-on callback');
1049		- // Otherwise, use apply_filters for add-on callbacks
1050		- $callback_result = apply_filters(
1051		- $matched_intent->callback_function,
1052		- false, // default return value
1053		- $message,
1054		- $user_id,
1055		- $session_id,
1056		- $matched_intent
1057		- );
1058		- }
1059		-
1060		- //error_log('🔍 MXCHAT DEBUG: Callback result type: ' . gettype($callback_result));
1061		- if ($callback_result !== false) {
1062		- //error_log('✅ MXCHAT DEBUG: Intent handled successfully');
1063	1576	$this->fallbackResponse = $callback_result;
1064	1577	return true;
1065	1578	}
1066		- //error_log('❌ MXCHAT DEBUG: Callback returned false');
1067		- } else {
1068		- //error_log('❌ MXCHAT DEBUG: No matching intent found');
1069	1579	}
	1580	+}
1070	1581
1071		- //error_log('🔍 MXCHAT DEBUG: Intent Check Completed ==================');
1072	1582	return false;
1073	1583	}
1074	1584
1075		-
1076	1585	// Helper function to clear PDF and Word document related transients
1077	1586	private function clear_pdf_transients($session_id) {
1078	1587	// PDF transients
1079	1588	delete_transient('mxchat_pdf_url_' . $session_id);
		@@ -1092,61 +1601,76 @@
1092	1601
1093	1602
1094	1603	//verified good
1095	1604	public function mxchat_handle_email_capture($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		-
	1605	+ // Get the user's original instruction/message
	1606	+ $user_instruction = esc_html($this->options['triggered_phrase_response'] ?? esc_html__("Please provide your email address.", 'mxchat'));
	1607	+
	1608	+ // Set instruction for AI - just pass along what the user wanted to say
	1609	+ $this->current_action_instruction = $user_instruction;
	1610	+
	1611	+ // Set the transient to track email capture flow
1102	1612	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' => $response]);
1107		- wp_die();
	1613	+
	1614	+ // Return false to let the AI generate the response
	1615	+ return false;
1108	1616	}
1109	1617
1110		-//very good
1111	1618	public function mxchat_generate_image($message, $user_id, $session_id) {
	1619	+ //error_log("Starting image generation for message: " . $message);
	1620	+
1112	1621	// Prepare a prompt for DALL-E
1113	1622	$prompt = esc_html__('Create an image of ', 'mxchat') . sanitize_text_field($message);
1114		-
	1623	+
1115	1624	// Use the existing OpenAI API key
1116	1625	$openai_api_key = sanitize_text_field($this->options['api_key']);
1117		-
	1626	+
1118	1627	// Call DALL-E to generate an image
1119	1628	$image_response = $this->mxchat_generate_dalle_image($prompt, $openai_api_key);
1120		-
	1629	+
1121	1630	// Check if the response contains an image URL
1122	1631	if (isset($image_response['imageUrl'])) {
1123	1632	$image_url = esc_url_raw($image_response['imageUrl']);
1124		-
	1633	+
1125	1634	// Construct the HTML with a CSS class instead of inline styles
1126	1635	$response_html = '<img src="' . esc_url($image_url) . '" alt="' . esc_attr__('Generated Image', 'mxchat') . '" class="mxchat-generated-image" />';
	1636	+ $response_text = esc_html__('Here is the image I generated:', 'mxchat');
	1637	+
	1638	+ // Save the bot message with both text and HTML
	1639	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	1640	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_html);
	1641	+
	1642	+ // Set the fallback response for the chat handler
	1643	+ $this->fallbackResponse = [
	1644	+ 'text' => $response_text,
	1645	+ 'html' => $response_html,
	1646	+ 'images' => [$image_url]
	1647	+ ];
	1648	+
	1649	+ // For debugging/verification - Use json_encode to verify what's being set
	1650	+ //error_log("Image generation successful - fallbackResponse set: " . json_encode($this->fallbackResponse));
1127	1651
1128		- $response_text = esc_html__('Here is the image I generated:', 'mxchat');
	1652	+ // Return the response directly instead of relying on the property
	1653	+ return $this->fallbackResponse;
1129	1654	} else {
1130	1655	$response_text = esc_html__("I'm sorry, but I couldn't generate an image based on your request.", 'mxchat');
1131		- $response_html = '';
	1656	+
	1657	+ // Save the error message
	1658	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	1659	+
	1660	+ // Set the fallback response for the chat handler
	1661	+ $this->fallbackResponse = [
	1662	+ 'text' => $response_text,
	1663	+ 'html' => '',
	1664	+ 'images' => []
	1665	+ ];
	1666	+
1132	1667	//error_log("DALL-E image generation error: " . esc_html($image_response['error'] ?? 'Unknown error.'));
	1668	+ //error_log("Error fallbackResponse set: " . json_encode($this->fallbackResponse));
	1669	+
	1670	+ // Return the response directly instead of relying on the property
	1671	+ return $this->fallbackResponse;
1133	1672	}
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	1673	}
1150	1674	private function mxchat_generate_dalle_image($prompt, $api_key, $model = 'dall-e-3', $timeout = 60) {
1151	1675	$api_url = 'https://api.openai.com/v1/images/generations';
1152	1676	$body = json_encode([
		@@ -1185,44 +1709,43 @@
1185	1709
1186	1710	/**
1187	1711	* Handle web search requests.
1188	1712	*
1189		- * Sends the refined search query to the Brave Search API and displays neatly formatted,
1190		- * styled search results. Results are cached for performance.
	1713	+ * Sends the refined search query to the Brave Search API and uses the
	1714	+ * results to generate a conversational response with the AI model.
1191	1715	*
1192	1716	* @since 1.0.0
1193	1717	* @param string $message The user's search query.
1194	1718	* @param string $user_id The user identifier.
1195	1719	* @param string $session_id The current session ID.
1196		- * @return void
	1720	+ * @return array Response array containing text with embedded HTML links
1197	1721	*/
1198		-public function mxchat_handle_search_request( $message, $user_id, $session_id ) {
	1722	+public function mxchat_handle_search_request($message, $user_id, $session_id) {
1199	1723	// 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' ),
	1724	+ $refined_search_query = $this->mxchat_interpret_search_query($message);
	1725	+ if (empty($refined_search_query)) {
	1726	+ return array(
	1727	+ 'text' => esc_html__('I apologize, but could you please rephrase your search request?', 'mxchat'),
	1728	+ 'html' => ''
1205	1729	);
1206		- return;
1207	1730	}
1208		-
	1731	+
1209	1732	// 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' ),
	1733	+ $options = get_option('mxchat_options');
	1734	+ $api_key = isset($options['brave_api_key']) ? sanitize_text_field($options['brave_api_key']) : '';
	1735	+ $results_count = isset($options['brave_results_count']) ? absint($options['brave_results_count']) : 5;
	1736	+
	1737	+ if (empty($api_key)) {
	1738	+ return array(
	1739	+ 'text' => esc_html__('Search functionality is temporarily unavailable. Please try again later.', 'mxchat'),
	1740	+ 'html' => ''
1217	1741	);
1218		- return;
1219	1742	}
1220		-
	1743	+
1221	1744	// Build the API request URL
1222	1745	$api_url = add_query_arg(
1223	1746	array(
1224		- 'q' => rawurlencode( $refined_search_query ),
	1747	+ 'q' => rawurlencode($refined_search_query),
1225	1748	'count' => $results_count,
1226	1749	'text_decorations' => 'true',
1227	1750	'rich_data' => 'true',
1228	1751	),
		@@ -1227,14 +1750,14 @@
1227	1750	'rich_data' => 'true',
1228	1751	),
1229	1752	'https://api.search.brave.com/res/v1/web/search'
1230	1753	);
1231		-
	1754	+
1232	1755	// 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 ) {
	1756	+ $transient_key = 'mxchat_search_' . md5($refined_search_query);
	1757	+ $results = get_transient($transient_key);
	1758	+
	1759	+ if (false === $results) {
1237	1760	// Fetch new results from the Brave Search API
1238	1761	$response = wp_remote_get(
1239	1762	$api_url,
1240	1763	array(
		@@ -1245,162 +1768,98 @@
1245	1768	),
1246	1769	'timeout' => 10,
1247	1770	)
1248	1771	);
1249		-
1250		- if ( is_wp_error( $response ) ) {
1251		- $this->fallbackResponse = array(
1252		- 'text' => esc_html__( 'I encountered an error while searching. Please try again.', 'mxchat' ),
	1772	+
	1773	+ if (is_wp_error($response)) {
	1774	+ return array(
	1775	+ 'text' => esc_html__('I encountered an error while searching. Please try again.', 'mxchat'),
	1776	+ 'html' => ''
1253	1777	);
1254		- return;
1255	1778	}
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' ),
	1779	+
	1780	+ $results = json_decode(wp_remote_retrieve_body($response), true);
	1781	+
	1782	+ if (json_last_error() !== JSON_ERROR_NONE) {
	1783	+ return array(
	1784	+ 'text' => esc_html__('I received an invalid response from the search service.', 'mxchat'),
	1785	+ 'html' => ''
1262	1786	);
1263		- return;
1264	1787	}
1265		-
	1788	+
1266	1789	// Cache results for one hour
1267		- set_transient( $transient_key, $results, HOUR_IN_SECONDS );
	1790	+ set_transient($transient_key, $results, HOUR_IN_SECONDS);
1268	1791	}
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' => $html,
	1792	+
	1793	+ // Process results
	1794	+ if (!empty($results['web']['results']) && is_array($results['web']['results'])) {
	1795	+ // Create a more straightforward summary with HTML links
	1796	+ $search_results_text = '';
	1797	+
	1798	+ // Add a simple intro
	1799	+ $search_results_text .= sprintf(
	1800	+ esc_html__("Here's what I found about '%s':", 'mxchat'),
	1801	+ esc_html($refined_search_query)
1277	1802	);
1278		-
	1803	+
	1804	+ // Add the top results with HTML links
	1805	+ foreach (array_slice($results['web']['results'], 0, 5) as $result) {
	1806	+ $title = isset($result['title']) ? wp_strip_all_tags($result['title']) : '';
	1807	+ $url = isset($result['url']) ? esc_url($result['url']) : '';
	1808	+ $description = isset($result['description']) ? wp_strip_all_tags($result['description']) : '';
	1809	+
	1810	+ // Add a line break after the intro
	1811	+ $search_results_text .= '<br><br>';
	1812	+
	1813	+ // Add title as a link
	1814	+ $search_results_text .= sprintf(
	1815	+ '<a href="%s" target="_blank" rel="noopener noreferrer">%s</a><br>',
	1816	+ $url,
	1817	+ $title
	1818	+ );
	1819	+
	1820	+ // Add a condensed description
	1821	+ $search_results_text .= sprintf("%s", $description);
	1822	+ }
	1823	+
1279	1824	// Save to chat history
1280		- $this->mxchat_save_chat_message( $session_id, 'bot', $html );
	1825	+ $this->mxchat_save_chat_message($session_id, 'bot', $search_results_text);
	1826	+
	1827	+ // Return the formatted text with embedded HTML links
	1828	+ return array(
	1829	+ 'text' => $search_results_text,
	1830	+ 'html' => ''
	1831	+ );
1281	1832	} else {
1282		- $this->fallbackResponse = array(
	1833	+ return array(
1283	1834	'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( $refined_search_query )
	1835	+ esc_html__('I searched for "%s" but couldn\'t find any relevant results. Would you like to try different search terms?', 'mxchat'),
	1836	+ esc_html($refined_search_query)
1286	1837	),
	1838	+ 'html' => ''
1287	1839	);
1288	1840	}
1289	1841	}
1290	1842
1291		-
	1843	+//very good
1292	1844	/**
1293		- * Format search results into a natural text summary.
	1845	+ * Handle image search requests from the chatbot
1294	1846	*
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.
	1847	+ * @param string $message The user's search query
	1848	+ * @param int $user_id The user's ID
	1849	+ * @param string $session_id The chat session ID
	1850	+ * @return array Response array with text and HTML content
1299	1851	*/
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( $description ); ?>
1379		- </div>
1380		- </div>
1381		- </div>
1382		- <?php endforeach; ?>
1383		- </div>
1384		- <?php
1385		- return ob_get_clean();
1386		-}
1387		-
1388		-
1389		-//very good
1390	1852	public function mxchat_handle_image_search_request($message, $user_id, $session_id) {
1391		-
1392		- // Step 1: Interpret the search query for better results
	1853	+ // Step 1: Interpret the search query using the user's selected AI model
1393	1854	$refined_search_query = $this->mxchat_interpret_search_query($message);
1394	1855
1395		-
1396	1856	// If no query was interpreted, return a fallback message
1397	1857	if (empty($refined_search_query)) {
1398		- $this->fallbackResponse = [
	1858	+ return array(
1399	1859	'text' => __("I'm sorry, I couldn't interpret your search query. Please specify what you'd like to see images of.", 'mxchat'),
1400	1860	'html' => "",
1401		- ];
1402		- return;
	1861	+ );
1403	1862	}
1404	1863
1405	1864	// Brave API URL
1406	1865	$api_url = 'https://api.search.brave.com/res/v1/images/search';
		@@ -1409,19 +1868,12 @@
1409	1868	$options = get_option('mxchat_options');
1410	1869	$api_key = isset($options['brave_api_key']) ? sanitize_text_field($options['brave_api_key']) : '';
1411	1870
1412	1871	if (empty($api_key)) {
1413		-/*
1414		- if (defined('WP_DEBUG') && WP_DEBUG) {
1415		- error_log("Brave API key is missing.");
1416		- }
1417		-*/
1418		-
1419		- $this->fallbackResponse = [
	1872	+ return array(
1420	1873	'text' => __("API key is not configured. Please set it in the Brave Search Settings.", 'mxchat'),
1421	1874	'html' => "",
1422		- ];
1423		- return;
	1875	+ );
1424	1876	}
1425	1877
1426	1878	$image_count = isset($options['brave_image_count']) ? intval($options['brave_image_count']) : 4;
1427	1879	$safe_search = isset($options['brave_safe_search']) ? sanitize_text_field($options['brave_safe_search']) : 'strict';
		@@ -1432,16 +1884,8 @@
1432	1884	'count' => $image_count,
1433	1885	'safesearch' => $safe_search,
1434	1886	], $api_url);
1435	1887
1436		-/*
1437		- // Log the final API URL for the search
1438		- if (defined('WP_DEBUG') && WP_DEBUG) {
1439		- error_log("Final API URL for Brave Image Search: " . esc_url_raw($api_url));
1440		- }
1441		-*/
1442		-
1443		-
1444	1888	// Implement caching
1445	1889	$transient_key = 'mxchat_image_search_' . md5($refined_search_query);
1446	1890	$body = get_transient($transient_key);
1447	1891
		@@ -1457,19 +1901,12 @@
1457	1901
1458	1902	$response = wp_remote_get($api_url, $args);
1459	1903
1460	1904	if (is_wp_error($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 = [
	1905	+ return array(
1468	1906	'text' => __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'),
1469	1907	'html' => "",
1470		- ];
1471		- return;
	1908	+ );
1472	1909	}
1473	1910
1474	1911	$body = json_decode(wp_remote_retrieve_body($response), true);
1475	1912	set_transient($transient_key, $body, HOUR_IN_SECONDS);
		@@ -1477,10 +1914,16 @@
1477	1914
1478	1915	// Process the API response
1479	1916	if (isset($body['results']) && is_array($body['results']) && count($body['results']) > 0) {
1480	1917	$html_output = '<div class="mxchat-image-gallery">';
1481		-
1482		- foreach ($body['results'] as $image) {
	1918	+
	1919	+ // Get the configured image count (1-6)
	1920	+ $display_count = isset($options['brave_image_count']) ? intval($options['brave_image_count']) : 4;
	1921	+ $display_count = min($display_count, count($body['results'])); // Make sure we don't exceed available images
	1922	+
	1923	+ // Use only the requested number of images
	1924	+ for ($i = 0; $i < $display_count; $i++) {
	1925	+ $image = $body['results'][$i];
1483	1926	$image_url = isset($image['url']) ? esc_url($image['url']) : '';
1484	1927	$thumbnail_url = isset($image['thumbnail']['src']) ? esc_url($image['thumbnail']['src']) : '';
1485	1928	$title = isset($image['title']) ? esc_html($image['title']) : esc_html__('Image', 'mxchat');
1486	1929
		@@ -1494,47 +1937,95 @@
1494	1937	}
1495	1938
1496	1939	$html_output .= '</div>';
1497	1940
1498		- $this->fallbackResponse = [
1499		- 'text' => "",
1500		- 'html' => $html_output,
1501		- ];
1502		-
1503		- // Save response in chat history
	1941	+ // Create response text
	1942	+ $response_text = sprintf(__("Here are some images of %s:", 'mxchat'), $refined_search_query);
	1943	+
	1944	+ // Save both response text and HTML to chat history
	1945	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
1504	1946	$this->mxchat_save_chat_message($session_id, 'bot', $html_output);
1505	1947
	1948	+ // Return the combined response
	1949	+ return array(
	1950	+ 'text' => $response_text,
	1951	+ 'html' => $html_output,
	1952	+ );
1506	1953	} else {
1507		-/*
1508		- if (defined('WP_DEBUG') && WP_DEBUG) {
1509		- error_log("Brave Image API response did not contain expected data structure or was empty: " . print_r($body, true));
1510		- }
1511		-*/
1512		-
1513		- $this->fallbackResponse = [
1514		- 'text' => __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'),
	1954	+ $response_text = __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat');
	1955	+
	1956	+ // Save the error message to chat history
	1957	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	1958	+
	1959	+ return array(
	1960	+ 'text' => $response_text,
1515	1961	'html' => "",
1516		- ];
	1962	+ );
1517	1963	}
1518	1964	}
	1965	+
	1966	+/**
	1967	+ * Interpret the search query using the user's selected AI model
	1968	+ *
	1969	+ * @param string $user_query The original query from the user
	1970	+ * @return string The refined search query
	1971	+ */
1519	1972	public function mxchat_interpret_search_query($user_query) {
1520	1973	$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"));
	1974	+
	1975	+ // Get options and determine the selected model
	1976	+ $options = $this->options ?? get_option('mxchat_options');
	1977	+ $selected_model = isset($options['model']) ? $options['model'] : 'gpt-4o';
	1978	+
	1979	+ // Extract model prefix to determine the provider
	1980	+ $model_parts = explode('-', $selected_model);
	1981	+ $provider = strtolower($model_parts[0]);
	1982	+
	1983	+ // Determine which API key to use based on the provider
	1984	+ switch ($provider) {
	1985	+ case 'gemini':
	1986	+ $api_key = isset($options['gemini_api_key']) ? sanitize_text_field($options['gemini_api_key']) : '';
	1987	+ if (empty($api_key)) {
	1988	+ return sanitize_text_field($user_query); // Default to original query if API key missing
	1989	+ }
	1990	+ return $this->interpret_query_with_gemini($user_query, $system_prompt, $api_key, $selected_model);
	1991	+
	1992	+ case 'claude':
	1993	+ $api_key = isset($options['claude_api_key']) ? sanitize_text_field($options['claude_api_key']) : '';
	1994	+ if (empty($api_key)) {
	1995	+ return sanitize_text_field($user_query);
	1996	+ }
	1997	+ return $this->interpret_query_with_claude($user_query, $system_prompt, $api_key, $selected_model);
	1998	+
	1999	+ case 'grok':
	2000	+ $api_key = isset($options['xai_api_key']) ? sanitize_text_field($options['xai_api_key']) : '';
	2001	+ if (empty($api_key)) {
	2002	+ return sanitize_text_field($user_query);
	2003	+ }
	2004	+ return $this->interpret_query_with_xai($user_query, $system_prompt, $api_key, $selected_model);
	2005	+
	2006	+ case 'deepseek':
	2007	+ $api_key = isset($options['deepseek_api_key']) ? sanitize_text_field($options['deepseek_api_key']) : '';
	2008	+ if (empty($api_key)) {
	2009	+ return sanitize_text_field($user_query);
	2010	+ }
	2011	+ return $this->interpret_query_with_deepseek($user_query, $system_prompt, $api_key, $selected_model);
	2012	+
	2013	+ case 'gpt':
	2014	+ default:
	2015	+ // Default to OpenAI for custom models or unrecognized prefixes
	2016	+ $api_key = isset($options['api_key']) ? sanitize_text_field($options['api_key']) : '';
	2017	+ if (empty($api_key)) {
	2018	+ return sanitize_text_field($user_query);
	2019	+ }
	2020	+ return $this->interpret_query_with_openai($user_query, $system_prompt, $api_key, $selected_model);
1529	2021	}
1530		- */
	2022	+}
1531	2023
1532		- if (empty($api_key)) {
1533		- //error_log("OpenAI API key is missing.");
1534		- return sanitize_text_field($user_query); // Default to the original query if API key is missing
1535		- }
1536		-
	2024	+/**
	2025	+ * Interpret query using OpenAI models
	2026	+ */
	2027	+private function interpret_query_with_openai($user_query, $system_prompt, $api_key, $model = 'gpt-4o') {
1537	2028	$url = 'https://api.openai.com/v1/chat/completions';
1538	2029	$args = [
1539	2030	'headers' => [
1540	2031	'Authorization' => 'Bearer ' . $api_key,
		@@ -1540,9 +2031,9 @@
1540	2031	'Authorization' => 'Bearer ' . $api_key,
1541	2032	'Content-Type' => 'application/json',
1542	2033	],
1543	2034	'body' => wp_json_encode([
1544		- 'model' => 'gpt-3.5-turbo',
	2035	+ 'model' => $model,
1545	2036	'messages' => [
1546	2037	['role' => 'system', 'content' => $system_prompt],
1547	2038	['role' => 'user', 'content' => sanitize_text_field($user_query)],
1548	2039	],
		@@ -1549,166 +2040,178 @@
1549	2040	'temperature' => 0.2,
1550	2041	'max_tokens' => 20,
1551	2042	]),
1552	2043	'method' => 'POST',
	2044	+ 'timeout' => 15,
1553	2045	];
1554	2046
1555	2047	$response = wp_remote_post($url, $args);
1556		-
1557	2048	if (is_wp_error($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
	2049	+ return sanitize_text_field($user_query);
1560	2050	}
1561	2051
1562	2052	$body = json_decode(wp_remote_retrieve_body($response), true);
	2053	+ return isset($body['choices'][0]['message']['content'])
	2054	+ ? sanitize_text_field(trim($body['choices'][0]['message']['content']))
	2055	+ : sanitize_text_field($user_query);
	2056	+}
1563	2057
1564		- // Check for a valid response and sanitize output
1565		- if (isset($body['choices'][0]['message']['content'])) {
1566		- $interpreted_query = sanitize_text_field(trim($body['choices'][0]['message']['content']));
	2058	+/**
	2059	+ * Interpret query using Claude models
	2060	+ */
	2061	+private function interpret_query_with_claude($user_query, $system_prompt, $api_key, $model) {
	2062	+ $url = 'https://api.anthropic.com/v1/messages';
	2063	+
	2064	+ $args = [
	2065	+ 'headers' => [
	2066	+ 'Content-Type' => 'application/json',
	2067	+ 'x-api-key' => $api_key,
	2068	+ 'anthropic-version' => '2023-06-01',
	2069	+ ],
	2070	+ 'body' => wp_json_encode([
	2071	+ 'model' => $model,
	2072	+ 'system' => $system_prompt,
	2073	+ 'messages' => [
	2074	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)]
	2075	+ ],
	2076	+ 'max_tokens' => 20,
	2077	+ 'temperature' => 0.2,
	2078	+ ]),
	2079	+ 'method' => 'POST',
	2080	+ 'timeout' => 15,
	2081	+ ];
1567	2082
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		- */
	2083	+ $response = wp_remote_post($url, $args);
	2084	+ if (is_wp_error($response)) {
	2085	+ return sanitize_text_field($user_query);
	2086	+ }
1574	2087
1575		- return $interpreted_query;
1576		- } else {
1577		- //error_log("Unexpected API response format: " . print_r($body, true));
1578		- return sanitize_text_field($user_query);
	2088	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2089	+ if (!empty($body['content'][0]['text'])) {
	2090	+ return sanitize_text_field(trim($body['content'][0]['text']));
1579	2091	}
	2092	+
	2093	+ return sanitize_text_field($user_query);
1580	2094	}
1581	2095
1582		-
1583		-
1584		-private function find_product_in_message($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;
	2096	+/**
	2097	+ * Interpret query using Gemini models
	2098	+ */
	2099	+private function interpret_query_with_gemini($user_query, $system_prompt, $api_key, $model) {
	2100	+ // Strip "gemini-" prefix for the API
	2101	+ $model_version = str_replace('gemini-', '', $model);
	2102	+
	2103	+ $url = "https://generativelanguage.googleapis.com/v1/models/$model_version:generateContent?key=" . urlencode($api_key);
	2104	+
	2105	+ $args = [
	2106	+ 'headers' => [
	2107	+ 'Content-Type' => 'application/json',
	2108	+ ],
	2109	+ 'body' => wp_json_encode([
	2110	+ 'contents' => [
	2111	+ [
	2112	+ 'role' => 'user',
	2113	+ 'parts' => [
	2114	+ ['text' => $system_prompt . "\n\nQuery: " . sanitize_text_field($user_query)]
	2115	+ ]
	2116	+ ]
	2117	+ ],
	2118	+ 'generationConfig' => [
	2119	+ 'temperature' => 0.2,
	2120	+ 'maxOutputTokens' => 20,
	2121	+ ],
	2122	+ ]),
	2123	+ 'method' => 'POST',
	2124	+ 'timeout' => 15,
	2125	+ ];
	2126	+
	2127	+ $response = wp_remote_post($url, $args);
	2128	+ if (is_wp_error($response)) {
	2129	+ return sanitize_text_field($user_query);
1591	2130	}
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;
	2131	+
	2132	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2133	+ if (!empty($body['candidates'][0]['content']['parts'][0]['text'])) {
	2134	+ return sanitize_text_field(trim($body['candidates'][0]['content']['parts'][0]['text']));
1599	2135	}
	2136	+
	2137	+ return sanitize_text_field($user_query);
	2138	+}
1600	2139
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 $product_id;
1630		- }
1631		- }
1632		- }
	2140	+/**
	2141	+ * Interpret query using X.AI (Grok) models
	2142	+ */
	2143	+private function interpret_query_with_xai($user_query, $system_prompt, $api_key, $model) {
	2144	+ $url = 'https://api.xai.com/v1/chat/completions';
	2145	+
	2146	+ $args = [
	2147	+ 'headers' => [
	2148	+ 'Content-Type' => 'application/json',
	2149	+ 'Authorization' => 'Bearer ' . $api_key,
	2150	+ ],
	2151	+ 'body' => wp_json_encode([
	2152	+ 'model' => $model,
	2153	+ 'messages' => [
	2154	+ ['role' => 'system', 'content' => $system_prompt],
	2155	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)],
	2156	+ ],
	2157	+ 'temperature' => 0.2,
	2158	+ 'max_tokens' => 20,
	2159	+ ]),
	2160	+ 'method' => 'POST',
	2161	+ 'timeout' => 15,
	2162	+ ];
	2163	+
	2164	+ $response = wp_remote_post($url, $args);
	2165	+ if (is_wp_error($response)) {
	2166	+ return sanitize_text_field($user_query);
1633	2167	}
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		- }
	2168	+
	2169	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2170	+ if (isset($body['choices'][0]['message']['content'])) {
	2171	+ return sanitize_text_field(trim($body['choices'][0]['message']['content']));
1649	2172	}
1650		-
1651		- // If no product is found after all checks, set the fallback response
1652		- $this->fallbackResponse['text'] = esc_html__("I couldn't find any relevant products based on your query. Try to be more specific", 'mxchat');
1653		- return null;
	2173	+
	2174	+ return sanitize_text_field($user_query);
1654	2175	}
1655	2176
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		- $context_string .= esc_html__("\nPlease apologize to the user and suggest they try again or ask for assistance.", 'mxchat');
1701		- break;
1702		- }
1703		- }
1704		- break;
	2177	+/**
	2178	+ * Interpret query using DeepSeek models
	2179	+ */
	2180	+private function interpret_query_with_deepseek($user_query, $system_prompt, $api_key, $model) {
	2181	+ $url = 'https://api.deepseek.com/v1/chat/completions';
	2182	+
	2183	+ $args = [
	2184	+ 'headers' => [
	2185	+ 'Content-Type' => 'application/json',
	2186	+ 'Authorization' => 'Bearer ' . $api_key,
	2187	+ ],
	2188	+ 'body' => wp_json_encode([
	2189	+ 'model' => $model,
	2190	+ 'messages' => [
	2191	+ ['role' => 'system', 'content' => $system_prompt],
	2192	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)],
	2193	+ ],
	2194	+ 'temperature' => 0.2,
	2195	+ 'max_tokens' => 20,
	2196	+ ]),
	2197	+ 'method' => 'POST',
	2198	+ 'timeout' => 15,
	2199	+ ];
	2200	+
	2201	+ $response = wp_remote_post($url, $args);
	2202	+ if (is_wp_error($response)) {
	2203	+ return sanitize_text_field($user_query);
1705	2204	}
1706		-
1707		- return $context_string;
	2205	+
	2206	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2207	+ if (isset($body['choices'][0]['message']['content'])) {
	2208	+ return sanitize_text_field(trim($body['choices'][0]['message']['content']));
	2209	+ }
	2210	+
	2211	+ return sanitize_text_field($user_query);
1708	2212	}
1709	2213
1710		-
1711	2214	//very good
1712	2215	private function add_email_to_loops($email) {
1713	2216	// Sanitize the email
1714	2217	$email = sanitize_email($email);
		@@ -1792,95 +2295,169 @@
1792	2295
1793	2296	// Default to proceeding with conversation if no specific PDF action is needed
1794	2297	$this->fallbackResponse['text'] = '';
1795	2298	}
	2299	+
	2300	+
	2301	+/**
	2302	+ * Enhanced fetch_and_split_pdf_pages with detailed debugging
	2303	+ */
1796	2304	private function fetch_and_split_pdf_pages($pdf_source, $max_pages) {
	2305	+ // CLEAR DEBUG LOGGING
	2306	+ //error_log("=== MXCHAT PDF PROCESSING START ===");
	2307	+ //error_log("PDF Source: " . $pdf_source);
	2308	+ //error_log("Max Pages: " . $max_pages);
	2309	+ //error_log("Session ID: " . ($this->session_id ?? 'not set'));
	2310	+
	2311	+ // Check if Advanced Claude Toolbar is available and enabled
	2312	+ $claude_available = function_exists('mxchatACT_is_advanced_claude_enabled');
	2313	+ $claude_enabled = $claude_available ? mxchatACT_is_advanced_claude_enabled() : false;
	2314	+
	2315	+ //error_log("Claude Function Available: " . ($claude_available ? 'YES' : 'NO'));
	2316	+ //error_log("Claude Enabled: " . ($claude_enabled ? 'YES' : 'NO'));
	2317	+
	2318	+ if ($claude_available && $claude_enabled) {
	2319	+ //error_log("🚀 ATTEMPTING CLAUDE PROCESSING...");
	2320	+
	2321	+ // Attempt Claude processing first
	2322	+ $claude_result = apply_filters('mxchat_process_pdf_advanced', false, $pdf_source, $max_pages, $this->session_id);
	2323	+
	2324	+ if ($claude_result !== false && is_array($claude_result) && !empty($claude_result)) {
	2325	+ //error_log("✅ CLAUDE PROCESSING SUCCESSFUL!");
	2326	+ //error_log("Claude returned " . count($claude_result) . " processed pages");
	2327	+
	2328	+ // Log first page details for verification
	2329	+ if (isset($claude_result[0])) {
	2330	+ $first_page = $claude_result[0];
	2331	+ //error_log("First page enhanced: " . (isset($first_page['enhanced']) && $first_page['enhanced'] ? 'YES' : 'NO'));
	2332	+ //error_log("Processing method: " . ($first_page['processing_method'] ?? 'not set'));
	2333	+ //error_log("First page text preview: " . substr($first_page['text'] ?? '', 0, 100) . "...");
	2334	+ }
	2335	+
	2336	+ //error_log("=== MXCHAT PDF PROCESSING END (CLAUDE) ===");
	2337	+ return $claude_result;
	2338	+ } else {
	2339	+ //error_log("❌ CLAUDE PROCESSING FAILED or returned invalid result");
	2340	+ //error_log("Claude result type: " . gettype($claude_result));
	2341	+ if (is_array($claude_result)) {
	2342	+ //error_log("Claude result count: " . count($claude_result));
	2343	+ }
	2344	+ }
	2345	+ }
	2346	+
	2347	+ // Fallback to basic processing
	2348	+ //error_log("🔄 FALLING BACK TO BASIC PDF PROCESSING...");
	2349	+
1797	2350	$upload_dir = wp_upload_dir();
1798	2351	$temp_file = null;
1799		-
	2352	+
1800	2353	try {
1801		- // Handle URL vs local file
	2354	+ // Your existing basic processing code here...
	2355	+ // (I'll include the key parts with debug logging)
	2356	+
1802	2357	if (filter_var($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		-
	2358	+ //error_log("Downloading PDF from URL...");
	2359	+ $temp_file = wp_tempnam($pdf_source);
	2360	+ $response = wp_remote_get($pdf_source, [
	2361	+ 'timeout' => 60,
	2362	+ 'headers' => ['User-Agent' => 'MxChat PDF Processor']
	2363	+ ]);
	2364	+
1807	2365	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));
	2366	+ $error_message = is_wp_error($response) ? $response->get_error_message() : 'HTTP ' . wp_remote_retrieve_response_code($response);
	2367	+ //error_log("❌ BASIC PROCESSING: Failed to download PDF: " . $error_message);
1809	2368	return false;
1810	2369	}
1811		-
	2370	+
1812	2371	file_put_contents($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		- }
	2372	+ //error_log("✅ PDF downloaded successfully");
1821	2373	} else {
1822		- // For local files, use the provided path directly
1823	2374	$temp_file = $pdf_source;
	2375	+ //error_log("Using local PDF file: " . $temp_file);
1824	2376	}
1825		-
1826		- // Parse and process the PDF
	2377	+
	2378	+ // Parse PDF
	2379	+ //error_log("Parsing PDF with basic parser...");
1827	2380	$parser = new \Smalot\PdfParser\Parser();
1828	2381	$pdf = $parser->parseFile($temp_file);
1829	2382	$pages = $pdf->getPages();
1830		-
	2383	+
	2384	+ //error_log("PDF contains " . count($pages) . " pages");
	2385	+
1831	2386	if (count($pages) > $max_pages) {
1832		- //error_log(esc_html__("PDF exceeds the maximum allowed pages: ", 'mxchat') . count($pages));
1833		- if (filter_var($pdf_source, FILTER_VALIDATE_URL)) {
	2387	+ //error_log("❌ BASIC PROCESSING: Too many pages (" . count($pages) . " > " . $max_pages . ")");
	2388	+ if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file) {
1834	2389	unlink($temp_file);
1835	2390	}
1836		- return esc_html__('too_many_pages', 'mxchat');
	2391	+ return 'too_many_pages';
1837	2392	}
1838		-
	2393	+
1839	2394	$embeddings = [];
	2395	+ $processed_pages = 0;
	2396	+
1840	2397	foreach ($pages as $page_number => $page) {
1841	2398	$text = $page->getText();
1842		-
1843		- // Ensure text is non-empty before generating embeddings
	2399	+
1844	2400	if (empty(trim($text))) {
1845		- //error_log(esc_html__("Skipping empty page: ", 'mxchat') . ($page_number + 1));
	2401	+ //error_log("Skipping empty page: " . ($page_number + 1));
1846	2402	continue;
1847	2403	}
1848		-
	2404	+
	2405	+ $text = $this->mxchat_clean_text($text);
	2406	+
1849	2407	$embedding = $this->mxchat_generate_embedding(
1850		- esc_html__("Page ", 'mxchat') . ($page_number + 1) . ": " . $text,
	2408	+ __("Page ", 'mxchat') . ($page_number + 1) . ": " . $text,
1851	2409	$this->options['api_key']
1852	2410	);
1853		-
	2411	+
1854	2412	if ($embedding) {
1855	2413	$embeddings[] = [
1856	2414	'page_number' => $page_number + 1,
1857	2415	'embedding' => $embedding,
1858	2416	'text' => $text,
	2417	+ 'enhanced' => false, // CLEARLY MARK AS BASIC
	2418	+ 'processing_method' => 'basic_pdf_parser'
1859	2419	];
1860		- } else {
1861		- //error_log(esc_html__("Failed to generate embedding for page ", 'mxchat') . ($page_number + 1));
	2420	+ $processed_pages++;
1862	2421	}
1863	2422	}
1864		-
1865		- // Clean up downloaded file if it was from URL
1866		- if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file) {
	2423	+
	2424	+ //error_log("✅ BASIC PROCESSING COMPLETE: " . $processed_pages . " pages processed");
	2425	+
	2426	+ // Cleanup
	2427	+ if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file && file_exists($temp_file)) {
1867	2428	unlink($temp_file);
1868	2429	}
1869		-
	2430	+
	2431	+ //error_log("=== MXCHAT PDF PROCESSING END (BASIC) ===");
1870	2432	return $embeddings;
1871		-
	2433	+
1872	2434	} catch (\Exception $e) {
1873		- // error_log(esc_html__("Error parsing or processing PDF: ", 'mxchat') . $e->getMessage());
1874		-
1875		- // Cleanup in case of exception
	2435	+ //error_log("❌ BASIC PROCESSING ERROR: " . $e->getMessage());
1876	2436	if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file && file_exists($temp_file)) {
1877	2437	unlink($temp_file);
1878	2438	}
1879		-
	2439	+ //error_log("=== MXCHAT PDF PROCESSING END (ERROR) ===");
1880	2440	return false;
1881	2441	}
1882	2442	}
	2443	+
	2444	+private function mxchat_clean_text($text) {
	2445	+ // Remove excessive whitespace
	2446	+ $text = preg_replace('/\s+/', ' ', $text);
	2447	+
	2448	+ // Remove control characters except newlines and tabs
	2449	+ $text = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/', '', $text);
	2450	+
	2451	+ // Normalize line endings
	2452	+ $text = str_replace(["\r\n", "\r"], "\n", $text);
	2453	+
	2454	+ // Trim whitespace
	2455	+ $text = trim($text);
	2456	+
	2457	+ return $text;
	2458	+}
	2459	+
1883	2460	private function find_relevant_pdf_pages($query_embedding, $embeddings) {
1884	2461	//error_log(esc_html__("find_relevant_pdf_pages called.", 'mxchat'));
1885	2462
1886	2463	$most_relevant = null;
		@@ -2038,10 +2615,8 @@
2038	2615	'new_messages' => array_values($new_messages)
2039	2616	]);
2040	2617	wp_die();
2041	2618	}
2042		-
2043		-
2044	2619	public function mxchat_live_agent_handover($message, $user_id, $session_id) {
2045	2620	// First check if live agents are available
2046	2621	$live_agent_available = $this->options['live_agent_status'] ?? 'off';
2047	2622	if ($live_agent_available !== 'on') {
		@@ -2060,18 +2635,101 @@
2060	2635	]);
2061	2636	wp_die();
2062	2637	}
2063	2638
2064		- $slack_webhook_url = $this->options['live_agent_webhook_url'] ?? '';
2065		- if (empty($slack_webhook_url)) {
	2639	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	2640	+
	2641	+ if (empty($slack_bot_token)) {
2066	2642	return false;
2067	2643	}
2068	2644
2069		- // Get recent chat history (last 5 messages)
	2645	+ // Check if channel already exists for this session
	2646	+ $channel_id = get_option("mxchat_channel_{$session_id}", '');
	2647	+
	2648	+ if (empty($channel_id)) {
	2649	+ // Create new channel with session ID as name
	2650	+ $channel_name = $this->generate_channel_name($session_id);
	2651	+
	2652	+ //error_log("Attempting to create channel: $channel_name");
	2653	+
	2654	+ $response = wp_remote_post('https://slack.com/api/conversations.create', [
	2655	+ 'headers' => [
	2656	+ 'Content-Type' => 'application/json',
	2657	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	2658	+ ],
	2659	+ 'body' => json_encode([
	2660	+ 'name' => $channel_name,
	2661	+ 'is_private' => false // Public channel - anyone in workspace can join
	2662	+ ])
	2663	+ ]);
	2664	+
	2665	+ if (!is_wp_error($response)) {
	2666	+ $response_body = wp_remote_retrieve_body($response);
	2667	+ $response_data = json_decode($response_body, true);
	2668	+
	2669	+ //error_log("Channel creation response: " . $response_body);
	2670	+
	2671	+ if (isset($response_data['ok']) && $response_data['ok']) {
	2672	+ $channel_id = $response_data['channel']['id'];
	2673	+ $actual_channel_name = $response_data['channel']['name'] ?? 'unknown';
	2674	+ //error_log("Channel created successfully: ID=$channel_id, Name=$actual_channel_name");
	2675	+ update_option("mxchat_channel_{$session_id}", $channel_id);
	2676	+
	2677	+ // Auto-invite agents to the channel
	2678	+ $agent_user_ids = $this->options['live_agent_user_ids'] ?? '';
	2679	+
	2680	+ if (!empty($agent_user_ids)) {
	2681	+ // Parse user IDs (one per line)
	2682	+ $user_ids = array_filter(array_map('trim', explode("\n", $agent_user_ids)));
	2683	+
	2684	+ foreach ($user_ids as $user_id_to_invite) {
	2685	+ //error_log("Inviting user to channel: $user_id_to_invite");
	2686	+
	2687	+ $invite_response = wp_remote_post('https://slack.com/api/conversations.invite', [
	2688	+ 'headers' => [
	2689	+ 'Content-Type' => 'application/json',
	2690	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	2691	+ ],
	2692	+ 'body' => json_encode([
	2693	+ 'channel' => $channel_id,
	2694	+ 'users' => $user_id_to_invite
	2695	+ ])
	2696	+ ]);
	2697	+
	2698	+ if (!is_wp_error($invite_response)) {
	2699	+ $invite_body = wp_remote_retrieve_body($invite_response);
	2700	+ $invite_data = json_decode($invite_body, true);
	2701	+ //error_log("Invite response for $user_id_to_invite: " . $invite_body);
	2702	+
	2703	+ if (isset($invite_data['ok']) && $invite_data['ok']) {
	2704	+ //error_log("Successfully invited user $user_id_to_invite to channel");
	2705	+ } else {
	2706	+ //error_log("Failed to invite user $user_id_to_invite: " . ($invite_data['error'] ?? 'Unknown error'));
	2707	+ }
	2708	+ } else {
	2709	+ //error_log("WP Error inviting user $user_id_to_invite: " . $invite_response->get_error_message());
	2710	+ }
	2711	+ }
	2712	+ } else {
	2713	+ //error_log("No agent user IDs configured for auto-invite");
	2714	+ }
	2715	+ } else {
	2716	+ //error_log("Channel creation failed: " . ($response_data['error'] ?? 'Unknown error'));
	2717	+ }
	2718	+ } else {
	2719	+ //error_log("WP Error creating channel: " . $response->get_error_message());
	2720	+ }
	2721	+
	2722	+ if (empty($channel_id)) {
	2723	+ return false; // Failed to create channel
	2724	+ }
	2725	+ }
	2726	+
	2727	+ // Get recent chat history
2070	2728	$history = get_option("mxchat_history_{$session_id}", []);
2071		- $recent_history = array_slice($history, -5); // Get last 5 messages
	2729	+ $recent_history = array_slice($history, -5);
2072	2730
2073		- // Format conversation history
	2731	+ // Format conversation context
2074	2732	$conversation_context = "";
2075	2733	if (!empty($recent_history)) {
2076	2734	$conversation_context = "*Recent Conversation:*\n";
2077	2735	foreach ($recent_history as $hist_message) {
		@@ -2082,83 +2740,32 @@
2082	2740	}
2083	2741
2084	2742	update_option("mxchat_mode_{$session_id}", 'agent');
2085	2743
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
	2744	+ // Send message to channel
	2745	+ $channel_message = "🔔 *New Live Agent Request*\n\n";
	2746	+ $channel_message .= "*Session ID:* `{$session_id}`\n";
	2747	+ $channel_message .= "*User ID:* `{$user_id}`\n\n";
	2748	+
2113	2749	if (!empty($conversation_context)) {
2114		- $webhook_data['blocks'][] = [
2115		- 'type' => 'section',
2116		- 'text' => [
2117		- 'type' => 'mrkdwn',
2118		- 'text' => $conversation_context
2119		- ]
2120		- ];
	2750	+ $channel_message .= $conversation_context;
2121	2751	}
	2752	+
	2753	+ $channel_message .= "*Current Message:*\n{$message}\n\n";
	2754	+ $channel_message .= "_Reply directly in this channel - all messages will go to the user_";
2122	2755
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),
	2756	+ wp_remote_post('https://slack.com/api/chat.postMessage', [
2152	2757	'headers' => [
2153	2758	'Content-Type' => 'application/json',
	2759	+ 'Authorization' => 'Bearer ' . $slack_bot_token
2154	2760	],
	2761	+ 'body' => json_encode([
	2762	+ 'channel' => $channel_id,
	2763	+ 'text' => $channel_message,
	2764	+ 'mrkdwn' => true
	2765	+ ])
2155	2766	]);
2156	2767
2157		- if (is_wp_error($response)) {
2158		- return false;
2159		- }
2160		-
2161	2768	$success_message = $this->options['live_agent_notification_message'] ?? 'Live agent has been notified.';
2162	2769	$this->mxchat_save_chat_message($session_id, 'bot', $success_message);
2163	2770
2164	2771	$this->fallbackResponse = [
		@@ -2177,79 +2784,145 @@
2177	2784	'fallbackResponse' => $this->fallbackResponse
2178	2785	]);
2179	2786	wp_die();
2180	2787	}
	2788	+
	2789	+private function generate_channel_name($session_id) {
	2790	+ $email = null;
	2791	+ $name = null;
	2792	+
	2793	+ // 1. First priority: Check if user is logged in and get their info
	2794	+ if (is_user_logged_in()) {
	2795	+ $current_user = wp_get_current_user();
	2796	+ if (!empty($current_user->user_email)) {
	2797	+ $email = $current_user->user_email;
	2798	+ //error_log("[DEBUG] Using logged-in user email for channel: {$email}");
	2799	+ }
	2800	+ if (!empty($current_user->display_name)) {
	2801	+ $name = $current_user->display_name;
	2802	+ //error_log("[DEBUG] Using logged-in user name for channel: {$name}");
	2803	+ }
	2804	+ }
	2805	+
	2806	+ // 2. Second priority: Check for saved email/name from "require email to chat" option
	2807	+ if (empty($email)) {
	2808	+ $email_option_key = "mxchat_email_{$session_id}";
	2809	+ $saved_email = get_option($email_option_key);
	2810	+ if (!empty($saved_email)) {
	2811	+ $email = $saved_email;
	2812	+ //error_log("[DEBUG] Using saved email from session for channel: {$email}");
	2813	+ }
	2814	+ }
	2815	+
	2816	+ if (empty($name)) {
	2817	+ $name_option_key = "mxchat_name_{$session_id}";
	2818	+ $saved_name = get_option($name_option_key);
	2819	+ if (!empty($saved_name)) {
	2820	+ $name = $saved_name;
	2821	+ //error_log("[DEBUG] Using saved name from session for channel: {$name}");
	2822	+ }
	2823	+ }
	2824	+
	2825	+ // 3. Third priority: Check existing chat transcript for email/name
	2826	+ if (empty($email) || empty($name)) {
	2827	+ global $wpdb;
	2828	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
	2829	+ $existing_data = $wpdb->get_row($wpdb->prepare(
	2830	+ "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",
	2831	+ $session_id
	2832	+ ));
	2833	+
	2834	+ if ($existing_data) {
	2835	+ if (empty($email) && !empty($existing_data->user_email)) {
	2836	+ $email = $existing_data->user_email;
	2837	+ //error_log("[DEBUG] Using email from chat transcript for channel: {$email}");
	2838	+ }
	2839	+ if (empty($name) && !empty($existing_data->user_name)) {
	2840	+ $name = $existing_data->user_name;
	2841	+ //error_log("[DEBUG] Using name from chat transcript for channel: {$name}");
	2842	+ }
	2843	+ }
	2844	+ }
	2845	+
	2846	+ // 4. Generate channel name based on priority: Name > Email > Session ID
	2847	+ $channel_name = '';
	2848	+
	2849	+ if (!empty($name)) {
	2850	+ // Convert name to valid Slack channel name
	2851	+ $base_name = strtolower(trim($name));
	2852	+ // Replace spaces and invalid characters
	2853	+ $base_name = preg_replace('/[^a-z0-9\s]/', '', $base_name);
	2854	+ $base_name = preg_replace('/\s+/', '-', $base_name);
	2855	+ $base_name = trim($base_name, '-');
	2856	+
	2857	+ // Get last 4 characters of session ID for uniqueness
	2858	+ $session_suffix = substr($session_id, -4);
	2859	+ $channel_name = 'chat-' . $base_name . '-' . strtolower($session_suffix);
	2860	+
	2861	+ // Slack channel names have a 21 character limit
	2862	+ if (strlen($channel_name) > 21) {
	2863	+ // Calculate available space for name (21 - 'chat-' - '-' - session_suffix)
	2864	+ $available_space = 21 - 5 - 1 - strlen($session_suffix); // 'chat-' = 5, '-' = 1
	2865	+ $truncated_name = substr($base_name, 0, $available_space);
	2866	+ $truncated_name = rtrim($truncated_name, '-'); // Remove trailing hyphen
	2867	+ $channel_name = 'chat-' . $truncated_name . '-' . strtolower($session_suffix);
	2868	+ }
	2869	+
	2870	+ //error_log("[DEBUG] Using name for channel: {$channel_name} (from name: {$name})");
	2871	+
	2872	+ } elseif (!empty($email)) {
	2873	+ // Convert email to valid Slack channel name (your existing logic)
	2874	+ $channel_name = 'chat-' . strtolower(str_replace(['@', '.', '+', '_'], ['-at-', '-', '-plus-', '-'], $email));
	2875	+ // Remove any remaining invalid characters
	2876	+ $channel_name = preg_replace('/[^a-z0-9\-]/', '', $channel_name);
	2877	+ // Ensure it doesn't end with a hyphen
	2878	+ $channel_name = rtrim($channel_name, '-');
	2879	+ // Slack channel names have a 21 character limit, so truncate if needed
	2880	+ if (strlen($channel_name) > 21) {
	2881	+ $channel_name = substr($channel_name, 0, 21);
	2882	+ $channel_name = rtrim($channel_name, '-'); // Remove trailing hyphen if truncation created one
	2883	+ }
	2884	+
	2885	+ //error_log("[DEBUG] Using email for channel: {$channel_name} (from email: {$email})");
	2886	+
	2887	+ } else {
	2888	+ // Fallback to session ID if no name or email found
	2889	+ $channel_name = 'chat-' . strtolower(preg_replace('/[^a-zA-Z0-9]/', '', $session_id));
	2890	+ //error_log("[DEBUG] No name or email found, using session ID for channel: {$channel_name}");
	2891	+ }
	2892	+
	2893	+ // Final validation - ensure channel name meets Slack requirements
	2894	+ if (strlen($channel_name) > 21) {
	2895	+ $channel_name = substr($channel_name, 0, 21);
	2896	+ $channel_name = rtrim($channel_name, '-');
	2897	+ }
	2898	+
	2899	+ //error_log("[DEBUG] Generated channel name: {$channel_name}");
	2900	+ return $channel_name;
	2901	+}
2181	2902	public function mxchat_send_user_message_to_agent($message, $user_id, $session_id) {
2182		- $slack_webhook_url = $this->options['live_agent_webhook_url'] ?? '';
	2903	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	2904	+ $channel_id = get_option("mxchat_channel_{$session_id}", '');
2183	2905
2184		- if (empty($slack_webhook_url)) {
2185		- //error_log(esc_html__('Slack Webhook URL is not configured.', 'mxchat'));
	2906	+ if (empty($slack_bot_token) || empty($channel_id)) {
2186	2907	return false;
2187	2908	}
2188	2909
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		- ];
	2910	+ $user_message = "💬 *User:* {$message}";
2237	2911
2238		- $response = wp_remote_post($slack_webhook_url, [
2239		- 'body' => json_encode($webhook_data),
	2912	+ $response = wp_remote_post('https://slack.com/api/chat.postMessage', [
2240	2913	'headers' => [
2241	2914	'Content-Type' => 'application/json',
	2915	+ 'Authorization' => 'Bearer ' . $slack_bot_token
2242	2916	],
	2917	+ 'body' => json_encode([
	2918	+ 'channel' => $channel_id,
	2919	+ 'text' => $user_message,
	2920	+ 'mrkdwn' => true
	2921	+ ])
2243	2922	]);
2244	2923
2245		- if (is_wp_error($response)) {
2246		- //error_log(esc_html__('Error sending message to Slack: ', 'mxchat') . $response->get_error_message());
2247		- return false;
2248		- }
2249		-
2250		- //error_log(esc_html__('Message sent to Slack successfully.', 'mxchat'));
2251		- return true;
	2924	+ return !is_wp_error($response);
2252	2925	}
2253	2926	public function handle_slack_interaction(WP_REST_Request $request) {
2254	2927	//error_log('Received Slack interaction');
2255	2928
		@@ -2337,17 +3010,16 @@
2337	3010
2338	3011	// Default acknowledgment
2339	3012	return new WP_REST_Response(['ok' => true]);
2340	3013	}
2341		-
2342	3014	public function mxchat_handle_agent_response(WP_REST_Request $request) {
2343	3015	//error_log('Received agent response request');
2344	3016	//error_log('Request data: ' . print_r($request->get_params(), true));
2345		- // error_log('Raw body: ' . file_get_contents('php://input'));
	3017	+ // //error_log('Raw body: ' . file_get_contents('php://input'));
2346	3018
2347	3019	// Get the data from Slack's slash command format
2348	3020	$command_text = $request->get_param('text');
2349		- // error_log('Command text: ' . $command_text);
	3021	+ // //error_log('Command text: ' . $command_text);
2350	3022
2351	3023	if (empty($command_text)) {
2352	3024	//error_log(esc_html__('Agent response error: No command text received', 'mxchat'));
2353	3025	return new WP_REST_Response([
		@@ -2372,9 +3044,9 @@
2372	3044	// Save the message
2373	3045	$message_id = $this->mxchat_save_chat_message($session_id, 'agent', $message);
2374	3046
2375	3047	if (!$message_id) {
2376		- // error_log('Failed to save agent message');
	3048	+ // //error_log('Failed to save agent message');
2377	3049	return new WP_REST_Response([
2378	3050	'error' => esc_html__('Failed to save message', 'mxchat')
2379	3051	], 500);
2380	3052	}
		@@ -2384,29 +3056,141 @@
2384	3056	'response_type' => 'in_channel',
2385	3057	'text' => esc_html__("Message sent successfully to session $session_id", 'mxchat')
2386	3058	], 200);
2387	3059	}
2388		-
2389		-
2390	3060	public function mxchat_handle_switch_to_chatbot_intent($message, $user_id, $session_id) {
2391		- //error_log(esc_html__("Switching back to chatbot mode via intent.", 'mxchat'));
2392		-
2393		- // Just update mode to AI
	3061	+ // Update mode to AI
2394	3062	update_option("mxchat_mode_{$session_id}", 'ai');
	3063	+
	3064	+ // Clear any existing PDF context to start fresh
	3065	+ $this->clear_pdf_transients($session_id);
	3066	+
	3067	+ // Set the response with explicit chat_mode
	3068	+ $this->fallbackResponse = [
	3069	+ 'text' => esc_html__('You are now chatting with the AI chatbot.', 'mxchat'),
	3070	+ 'html' => '',
	3071	+ 'images' => [],
	3072	+ 'chat_mode' => 'ai' // Ensure this is set
	3073	+ ];
	3074	+
	3075	+ // Return the complete response array instead of just true
	3076	+ return $this->fallbackResponse;
	3077	+}
2395	3078
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
	3079	+public function handle_slack_messages(WP_REST_Request $request) {
	3080	+ // Log the incoming request for debugging
	3081	+ //error_log('Slack events request received: ' . $request->get_body());
	3082	+
	3083	+ $body = $request->get_body();
	3084	+ $data = json_decode($body, true);
	3085	+
	3086	+ // Handle Slack URL verification
	3087	+ if (isset($data['type']) && $data['type'] === 'url_verification') {
	3088	+ //error_log('Slack URL verification challenge: ' . $data['challenge']);
	3089	+ return new WP_REST_Response($data['challenge'], 200, ['Content-Type' => 'text/plain']);
	3090	+ }
	3091	+
	3092	+ // IMPORTANT: Handle Slack's event deduplication
	3093	+ if (isset($data['event_id'])) {
	3094	+ $event_id = $data['event_id'];
	3095	+ $processed_events = get_transient('mxchat_slack_events') ?: [];
	3096	+
	3097	+ // Check if we've already processed this event
	3098	+ if (in_array($event_id, $processed_events)) {
	3099	+ //error_log("Duplicate event detected: $event_id");
	3100	+ return new WP_REST_Response(['ok' => true]);
	3101	+ }
	3102	+
	3103	+ // Add this event to processed list
	3104	+ $processed_events[] = $event_id;
	3105	+ // Keep only last 100 events to prevent memory issues
	3106	+ if (count($processed_events) > 100) {
	3107	+ $processed_events = array_slice($processed_events, -100);
	3108	+ }
	3109	+ // Store for 1 hour
	3110	+ set_transient('mxchat_slack_events', $processed_events, HOUR_IN_SECONDS);
	3111	+ }
	3112	+
	3113	+ // Handle message events
	3114	+ if (isset($data['event']) && $data['event']['type'] === 'message') {
	3115	+ $event = $data['event'];
	3116	+
	3117	+ // Skip bot messages and messages with subtypes (like bot_message)
	3118	+ if (isset($event['bot_id']) || isset($event['subtype'])) {
	3119	+ return new WP_REST_Response(['ok' => true]);
	3120	+ }
	3121	+
	3122	+ // Additional check: Skip if this is a threaded reply to our confirmation
	3123	+ if (isset($event['thread_ts']) && $event['thread_ts'] !== $event['ts']) {
	3124	+ return new WP_REST_Response(['ok' => true]);
	3125	+ }
	3126	+
	3127	+ $channel_id = $event['channel'];
	3128	+ $message_text = $event['text'] ?? '';
	3129	+ $message_ts = $event['ts'] ?? '';
	3130	+
	3131	+ // Find session ID by looking for matching channel
	3132	+ global $wpdb;
	3133	+ $session_option = $wpdb->get_var(
	3134	+ $wpdb->prepare(
	3135	+ "SELECT option_name FROM {$wpdb->options}
	3136	+ WHERE option_name LIKE 'mxchat_channel_%'
	3137	+ AND option_value = %s",
	3138	+ $channel_id
	3139	+ )
	3140	+ );
	3141	+
	3142	+ if ($session_option) {
	3143	+ $session_id = str_replace('mxchat_channel_', '', $session_option);
	3144	+
	3145	+ // Create a unique key for this specific message
	3146	+ $message_key = md5($session_id . $message_ts . $message_text);
	3147	+ $processed_messages = get_transient('mxchat_processed_messages_' . $session_id) ?: [];
	3148	+
	3149	+ // Check if we've already processed this exact message
	3150	+ if (in_array($message_key, $processed_messages)) {
	3151	+ //error_log("Duplicate message detected for session $session_id");
	3152	+ return new WP_REST_Response(['ok' => true]);
	3153	+ }
	3154	+
	3155	+ // Add to processed messages
	3156	+ $processed_messages[] = $message_key;
	3157	+ // Keep only last 50 messages per session
	3158	+ if (count($processed_messages) > 50) {
	3159	+ $processed_messages = array_slice($processed_messages, -50);
	3160	+ }
	3161	+ set_transient('mxchat_processed_messages_' . $session_id, $processed_messages, HOUR_IN_SECONDS);
	3162	+
	3163	+ // Save the agent message
	3164	+ $this->mxchat_save_chat_message($session_id, 'agent', $message_text);
	3165	+
	3166	+ // Send confirmation back to Slack (only once)
	3167	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	3168	+ if (!empty($slack_bot_token)) {
	3169	+ // Use a transient to prevent duplicate confirmations
	3170	+ $confirm_key = 'mxchat_confirm_' . $message_key;
	3171	+ if (!get_transient($confirm_key)) {
	3172	+ wp_remote_post('https://slack.com/api/chat.postMessage', [
	3173	+ 'headers' => [
	3174	+ 'Content-Type' => 'application/json',
	3175	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	3176	+ ],
	3177	+ 'body' => json_encode([
	3178	+ 'channel' => $channel_id,
	3179	+ 'text' => "✅ _Message sent to user_",
	3180	+ 'thread_ts' => $event['ts'] // Reply in thread
	3181	+ ])
	3182	+ ]);
	3183	+ // Set transient to prevent duplicate confirmations
	3184	+ set_transient($confirm_key, true, 300); // 5 minutes
	3185	+ }
	3186	+ }
	3187	+ }
	3188	+ }
	3189	+
	3190	+ return new WP_REST_Response(['ok' => true]);
2404	3191	}
2405	3192
2406		-
2407		-
2408		-
2409	3193	// For the word upload handler
2410	3194	public function mxchat_handle_word_upload() {
2411	3195	// Delegate to word handler
2412	3196	$this->word_handler->mxchat_handle_word_upload();
		@@ -2429,66 +3213,210 @@
2429	3213	return MxChat_User::mxchat_get_user_identifier();
2430	3214	}
2431	3215
2432	3216	private function mxchat_generate_embedding($text, $api_key) {
2433		- // Get options and selected model
2434		- $options = get_option('mxchat_options');
2435		- $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
2436		-
2437		- // Determine endpoint and API key based on model
2438		- if (strpos($selected_model, 'voyage') === 0) {
2439		- $endpoint = 'https://api.voyageai.com/v1/embeddings';
2440		- $api_key = $options['voyage_api_key'] ?? '';
2441		- } else {
2442		- $endpoint = 'https://api.openai.com/v1/embeddings';
2443		- // Use the passed API key for OpenAI
	3217	+ try {
	3218	+ // Get options and selected model
	3219	+ $options = get_option('mxchat_options');
	3220	+ $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
	3221	+
	3222	+ // Determine endpoint and API key based on model
	3223	+ if (strpos($selected_model, 'voyage') === 0) {
	3224	+ $endpoint = 'https://api.voyageai.com/v1/embeddings';
	3225	+ $api_key = $options['voyage_api_key'] ?? '';
	3226	+
	3227	+ // Check if Voyage API key is missing
	3228	+ if (empty($api_key)) {
	3229	+ //error_log('Voyage API key is missing');
	3230	+ return [
	3231	+ 'error' => esc_html__('Voyage AI API key is not configured', 'mxchat'),
	3232	+ 'error_code' => 'missing_voyage_api_key'
	3233	+ ];
	3234	+ }
	3235	+ } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
	3236	+ $endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . $selected_model . ':embedContent';
	3237	+ $api_key = $options['gemini_api_key'] ?? '';
	3238	+
	3239	+ // Check if Gemini API key is missing
	3240	+ if (empty($api_key)) {
	3241	+ //error_log('Gemini API key is missing');
	3242	+ return [
	3243	+ 'error' => esc_html__('Google Gemini API key is not configured', 'mxchat'),
	3244	+ 'error_code' => 'missing_gemini_api_key'
	3245	+ ];
	3246	+ }
	3247	+ } else {
	3248	+ $endpoint = 'https://api.openai.com/v1/embeddings';
	3249	+ // Use the passed API key for OpenAI
	3250	+
	3251	+ // Check if OpenAI API key is missing
	3252	+ if (empty($api_key)) {
	3253	+ //error_log('OpenAI API key is missing');
	3254	+ return [
	3255	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	3256	+ 'error_code' => 'missing_openai_api_key'
	3257	+ ];
	3258	+ }
	3259	+ }
	3260	+
	3261	+ // Check if text is empty
	3262	+ if (empty($text)) {
	3263	+ //error_log('Empty text provided for embedding generation');
	3264	+ return [
	3265	+ 'error' => esc_html__('No text provided for embedding generation', 'mxchat'),
	3266	+ 'error_code' => 'empty_embedding_text'
	3267	+ ];
	3268	+ }
	3269	+
	3270	+ // Prepare request body based on provider
	3271	+ if (strpos($selected_model, 'gemini-embedding') === 0) {
	3272	+ // Gemini API format
	3273	+ $request_body = [
	3274	+ 'model' => 'models/' . $selected_model,
	3275	+ 'content' => [
	3276	+ 'parts' => [
	3277	+ ['text' => $text]
	3278	+ ]
	3279	+ ],
	3280	+ 'outputDimensionality' => 1536
	3281	+ ];
	3282	+
	3283	+ // Prepare headers for Gemini (API key as query parameter)
	3284	+ $endpoint .= '?key=' . $api_key;
	3285	+ $headers = [
	3286	+ 'Content-Type' => 'application/json'
	3287	+ ];
	3288	+ } else {
	3289	+ // OpenAI/Voyage API format
	3290	+ $request_body = [
	3291	+ 'input' => $text,
	3292	+ 'model' => $selected_model
	3293	+ ];
	3294	+
	3295	+ // Add output_dimension for voyage-3-large
	3296	+ if ($selected_model === 'voyage-3-large') {
	3297	+ $request_body['output_dimension'] = 2048;
	3298	+ }
	3299	+
	3300	+ // Prepare headers for OpenAI/Voyage
	3301	+ $headers = [
	3302	+ 'Content-Type' => 'application/json',
	3303	+ 'Authorization' => 'Bearer ' . $api_key
	3304	+ ];
	3305	+ }
	3306	+
	3307	+ // Prepare request arguments
	3308	+ $args = [
	3309	+ 'body' => wp_json_encode($request_body),
	3310	+ 'headers' => $headers,
	3311	+ 'timeout' => 60,
	3312	+ 'redirection' => 5,
	3313	+ 'blocking' => true,
	3314	+ 'httpversion' => '1.0',
	3315	+ 'sslverify' => true,
	3316	+ ];
	3317	+
	3318	+ // Make the request
	3319	+ $response = wp_remote_post($endpoint, $args);
	3320	+
	3321	+ // Handle WordPress errors
	3322	+ if (is_wp_error($response)) {
	3323	+ $error_message = $response->get_error_message();
	3324	+ //error_log('Embedding Generation Error: ' . $error_message);
	3325	+ return [
	3326	+ 'error' => esc_html__('Connection error when generating embeddings: ', 'mxchat') . esc_html($error_message),
	3327	+ 'error_code' => 'embedding_connection_error'
	3328	+ ];
	3329	+ }
	3330	+
	3331	+ // Check HTTP status code
	3332	+ $status_code = wp_remote_retrieve_response_code($response);
	3333	+ if ($status_code !== 200) {
	3334	+ $response_body = json_decode(wp_remote_retrieve_body($response), true);
	3335	+
	3336	+ $error_message = isset($response_body['error']['message'])
	3337	+ ? $response_body['error']['message']
	3338	+ : 'HTTP Error ' . $status_code;
	3339	+
	3340	+ $error_type = isset($response_body['error']['type'])
	3341	+ ? $response_body['error']['type']
	3342	+ : 'unknown';
	3343	+
	3344	+ //error_log('Embedding API HTTP Error: ' . $status_code . ' - ' . $error_message);
	3345	+
	3346	+ // Handle specific error types
	3347	+ switch ($error_type) {
	3348	+ case 'invalid_request_error':
	3349	+ if (strpos($error_message, 'API key') !== false) {
	3350	+ return [
	3351	+ 'error' => esc_html__('Invalid API key for embedding generation. Please check your API key configuration.', 'mxchat'),
	3352	+ 'error_code' => 'embedding_invalid_api_key'
	3353	+ ];
	3354	+ }
	3355	+ break;
	3356	+
	3357	+ case 'authentication_error':
	3358	+ return [
	3359	+ 'error' => esc_html__('Authentication failed for embedding generation. Please check your API key.', 'mxchat'),
	3360	+ 'error_code' => 'embedding_auth_error'
	3361	+ ];
	3362	+
	3363	+ case 'rate_limit_exceeded':
	3364	+ return [
	3365	+ 'error' => esc_html__('Rate limit exceeded for embedding generation. Please try again later.', 'mxchat'),
	3366	+ 'error_code' => 'embedding_rate_limit'
	3367	+ ];
	3368	+
	3369	+ case 'quota_exceeded':
	3370	+ return [
	3371	+ 'error' => esc_html__('API quota exceeded for embedding generation. Please check your billing details.', 'mxchat'),
	3372	+ 'error_code' => 'embedding_quota_exceeded'
	3373	+ ];
	3374	+ }
	3375	+
	3376	+ // Generic error fallback
	3377	+ return [
	3378	+ 'error' => esc_html__('Embedding API error - check embedding API key.: ', 'mxchat') . esc_html($error_message),
	3379	+ 'error_code' => 'embedding_api_error',
	3380	+ 'status_code' => $status_code
	3381	+ ];
	3382	+ }
	3383	+
	3384	+ $response_body = json_decode(wp_remote_retrieve_body($response), true);
	3385	+
	3386	+ // Handle different response formats based on provider
	3387	+ if (strpos($selected_model, 'gemini-embedding') === 0) {
	3388	+ // Gemini API response format
	3389	+ if (isset($response_body['embedding']['values']) && is_array($response_body['embedding']['values'])) {
	3390	+ return $response_body['embedding']['values'];
	3391	+ } else {
	3392	+ //error_log('Invalid Gemini embedding response: ' . wp_json_encode($response_body));
	3393	+ return [
	3394	+ 'error' => esc_html__('Received invalid embedding data from the Gemini API.', 'mxchat'),
	3395	+ 'error_code' => 'invalid_gemini_embedding_response'
	3396	+ ];
	3397	+ }
	3398	+ } else {
	3399	+ // OpenAI/Voyage API response format
	3400	+ if (isset($response_body['data'][0]['embedding']) && is_array($response_body['data'][0]['embedding'])) {
	3401	+ return $response_body['data'][0]['embedding'];
	3402	+ } else {
	3403	+ //error_log('Invalid embedding response: ' . wp_json_encode($response_body));
	3404	+ return [
	3405	+ 'error' => esc_html__('Received invalid embedding data from the API.', 'mxchat'),
	3406	+ 'error_code' => 'invalid_embedding_response'
	3407	+ ];
	3408	+ }
	3409	+ }
	3410	+ } catch (Exception $e) {
	3411	+ //error_log('Embedding Exception: ' . $e->getMessage());
	3412	+ return [
	3413	+ 'error' => esc_html__('System error when generating embeddings: ', 'mxchat') . esc_html($e->getMessage()),
	3414	+ 'error_code' => 'embedding_exception'
	3415	+ ];
2444	3416	}
2445		-
2446		- // Prepare request body with conditional output_dimension
2447		- $request_body = [
2448		- 'input' => $text,
2449		- 'model' => $selected_model
2450		- ];
2451		-
2452		- // Add output_dimension for voyage-3-large
2453		- if ($selected_model === 'voyage-3-large') {
2454		- $request_body['output_dimension'] = 2048;
2455		- }
2456		-
2457		- // Prepare request arguments
2458		- $args = [
2459		- 'body' => wp_json_encode($request_body),
2460		- 'headers' => [
2461		- 'Content-Type' => 'application/json',
2462		- 'Authorization' => 'Bearer ' . $api_key,
2463		- ],
2464		- 'timeout' => 60,
2465		- 'redirection' => 5,
2466		- 'blocking' => true,
2467		- 'httpversion' => '1.0',
2468		- 'sslverify' => true,
2469		- ];
2470		-
2471		- // Make the request
2472		- $response = wp_remote_post($endpoint, $args);
2473		-
2474		- // Rest of your existing code...
2475		- if (is_wp_error($response)) {
2476		- //error_log('Embedding Generation Error: ' . $response->get_error_message());
2477		- return null;
2478		- }
2479		-
2480		- $response_body = json_decode(wp_remote_retrieve_body($response), true);
2481		-
2482		- if (isset($response_body['data'][0]['embedding']) && is_array($response_body['data'][0]['embedding'])) {
2483		- return $response_body['data'][0]['embedding'];
2484		- } else {
2485		- //error_log('Invalid embedding response: ' . wp_json_encode($response_body));
2486		- return null;
2487		- }
2488	3417	}
2489	3418
2490		-
2491	3419	private function mxchat_find_relevant_content($user_embedding) {
2492	3420	//error_log('MXChat Vector Search: Starting content search...');
2493	3421
2494	3422	// Retrieve the add-on settings from the database.
		@@ -2494,9 +3422,8 @@
2494	3422	// Retrieve the add-on settings from the database.
2495	3423	$addon_options = get_option('mxchat_pinecone_addon_options', array());
2496	3424
2497	3425	// Determine whether Pinecone is enabled.
2498		- // We expect the sanitized setting to be a string '1' if enabled, otherwise '0'.
2499	3426	$use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1') ? 1 : 0;
2500	3427
2501	3428	//error_log('Pinecone enabled flag: ' . $use_pinecone);
2502	3429
		@@ -2514,18 +3441,26 @@
2514	3441	$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
2515	3442	$cache_key = 'mxchat_system_prompt_embeddings';
2516	3443	$batch_size = 500;
2517	3444
	3445	+ // Initialize similarity analysis storage
	3446	+ $this->last_similarity_analysis = [
	3447	+ 'knowledge_base_type' => 'WordPress Database',
	3448	+ 'top_matches' => [],
	3449	+ 'threshold_used' => 0,
	3450	+ 'total_checked' => 0
	3451	+ ];
	3452	+
2518	3453	// Retrieve embeddings from cache or database
2519	3454	$embeddings = wp_cache_get($cache_key, 'mxchat_system_prompts');
2520	3455	if ($embeddings === false) {
	3456	+ // Cache miss - load embeddings from database WITH CONTENT and ROLE RESTRICTION for testing
2521	3457	$embeddings = [];
2522	3458	$offset = 0;
2523	3459
2524		- // Load in batches and build cache
2525	3460	do {
2526	3461	$query = $wpdb->prepare(
2527		- "SELECT id, embedding_vector
	3462	+ "SELECT id, embedding_vector, article_content, source_url, role_restriction
2528	3463	FROM {$system_prompt_table}
2529	3464	LIMIT %d OFFSET %d",
2530	3465	$batch_size,
2531	3466	$offset
		@@ -2537,62 +3472,135 @@
2537	3472	}
2538	3473
2539	3474	$embeddings = array_merge($embeddings, $batch);
2540	3475	$offset += $batch_size;
2541		-
2542		- // Free memory
2543	3476	unset($batch);
2544		-
2545	3477	} while (true);
2546	3478
2547	3479	if (empty($embeddings)) {
2548		- return ''; // Return an empty string if no embeddings found
	3480	+ return '';
2549	3481	}
	3482	+
	3483	+ // Cache embeddings for future use (but note: this now includes content and role restrictions)
2550	3484	wp_cache_set($cache_key, $embeddings, 'mxchat_system_prompts', 3600);
2551	3485	}
2552	3486
2553		- // Initialize array to store relevant results with similarity scores
	3487	+ // NEW: Get knowledge manager instance for role checking
	3488	+ $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
	3489	+
	3490	+ // Get configuration options
	3491	+ $main_options = get_option('mxchat_options', []);
	3492	+
	3493	+ // Get base similarity threshold (default 75%)
	3494	+ $similarity_threshold = isset($main_options['similarity_threshold'])
	3495	+ ? ((int) $main_options['similarity_threshold']) / 100
	3496	+ : 0.75;
	3497	+
	3498	+ $this->last_similarity_analysis['threshold_used'] = $similarity_threshold;
	3499	+
	3500	+ // Calculate similarities and build results array
	3501	+ $all_similarities = [];
2554	3502	$relevant_results = [];
2555		- // Iterate through embeddings to calculate similarity
	3503	+
2556	3504	foreach ($embeddings as $embedding) {
2557	3505	$database_embedding = $embedding->embedding_vector
2558	3506	? unserialize($embedding->embedding_vector, ['allowed_classes' => false])
2559	3507	: null;
	3508	+
2560	3509	if (is_array($database_embedding) && is_array($user_embedding)) {
2561	3510	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $database_embedding);
2562		- $relevant_results[] = [
2563		- 'id' => $embedding->id,
2564		- 'similarity' => $similarity
	3511	+
	3512	+ // NEW: Check role access
	3513	+ $role_restriction = $embedding->role_restriction ?? 'public';
	3514	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3515	+
	3516	+ // Store ALL similarities for testing (top 10)
	3517	+ $source_display = '';
	3518	+ if (!empty($embedding->source_url) && $embedding->source_url !== '#') {
	3519	+ $source_display = $embedding->source_url;
	3520	+ } else {
	3521	+ $content_preview = strip_tags($embedding->article_content ?? '');
	3522	+ $content_preview = preg_replace('/\s+/', ' ', $content_preview);
	3523	+ $source_display = substr(trim($content_preview), 0, 50) . '...';
	3524	+ }
	3525	+
	3526	+ $all_similarities[] = [
	3527	+ 'document_id' => $embedding->id,
	3528	+ 'similarity' => $similarity,
	3529	+ 'similarity_percentage' => round($similarity * 100, 2),
	3530	+ 'above_threshold' => $similarity >= $similarity_threshold,
	3531	+ 'source_display' => $source_display,
	3532	+ 'content_preview' => substr(strip_tags($embedding->article_content ?? ''), 0, 100) . '...',
	3533	+ 'used_for_context' => false, // Initialize as false, we'll update this later
	3534	+ 'role_restriction' => $role_restriction, // NEW: Include role info for testing
	3535	+ 'has_access' => $has_access, // NEW: Include access info for testing
	3536	+ 'filtered_out' => !$has_access // NEW: Mark if filtered out by role
2565	3537	];
	3538	+
	3539	+ // Only consider results above threshold AND with access for actual content retrieval
	3540	+ if ($similarity >= $similarity_threshold && $has_access) {
	3541	+ $relevant_results[] = [
	3542	+ 'id' => $embedding->id,
	3543	+ 'similarity' => $similarity
	3544	+ ];
	3545	+ }
2566	3546	}
2567		- // Free memory
	3547	+
2568	3548	unset($database_embedding);
2569	3549	}
2570	3550
2571		- // Retrieve the similarity threshold
2572		- $similarity_threshold = ((int) get_option('mxchat_similarity_threshold', 80)) / 100;
2573		-
2574		- // Filter and sort relevant results by similarity
2575		- $relevant_results = array_filter($relevant_results, function ($result) use ($similarity_threshold) {
2576		- return $result['similarity'] >= $similarity_threshold;
	3551	+ // Sort ALL similarities for testing display (highest first)
	3552	+ usort($all_similarities, function ($a, $b) {
	3553	+ return $b['similarity'] <=> $a['similarity'];
2577	3554	});
	3555	+
	3556	+ // Sort relevant results by similarity (highest first)
2578	3557	usort($relevant_results, function ($a, $b) {
2579	3558	return $b['similarity'] <=> $a['similarity'];
2580	3559	});
2581		-
2582		- // Limit to the top 5 results
	3560	+
	3561	+ // Get top 5 results for actual content (standard approach)
2583	3562	$top_results = array_slice($relevant_results, 0, 5);
2584		-
2585		- // Initialize the final content
	3563	+
	3564	+ // NOW mark which documents are actually used for context
	3565	+ $used_document_ids = [];
	3566	+ foreach ($top_results as $result) {
	3567	+ $used_document_ids[] = $result['id'];
	3568	+ }
	3569	+
	3570	+ // Update the all_similarities array to mark which were actually used
	3571	+ foreach ($all_similarities as &$similarity_item) {
	3572	+ $similarity_item['used_for_context'] = in_array($similarity_item['document_id'], $used_document_ids);
	3573	+ }
	3574	+
	3575	+ // Store top 10 for testing panel (now with correct used_for_context flags and role info)
	3576	+ $this->last_similarity_analysis['top_matches'] = array_slice($all_similarities, 0, 10);
	3577	+ $this->last_similarity_analysis['total_checked'] = count($embeddings);
	3578	+
	3579	+ //error_log("MxChat Testing: Stored " . count($this->last_similarity_analysis['top_matches']) . " top matches for testing");
	3580	+
	3581	+ // Initialize final content
2586	3582	$content = '';
2587		-
2588		- // Fetch and combine content for the top results
2589		- foreach ($top_results as $result) {
	3583	+
	3584	+ // Track document IDs to avoid duplicates
	3585	+ $added_document_ids = [];
	3586	+
	3587	+ // Fetch and format content for each selected result
	3588	+ foreach ($top_results as $index => $result) {
	3589	+ if (in_array($result['id'], $added_document_ids)) {
	3590	+ continue;
	3591	+ }
	3592	+
2590	3593	$chunk_content = $this->fetch_content_with_product_links($result['id']);
2591		- // Check if the content is PDF-related and add surrounding pages
	3594	+ $added_document_ids[] = $result['id'];
	3595	+
	3596	+ $content .= "## Reference " . ($index + 1) . " ##\n";
	3597	+ $content .= $chunk_content . "\n\n";
	3598	+
	3599	+ // PDF surrounding pages logic (unchanged)
2592	3600	if (strpos($chunk_content, '{"document_type":"pdf"') !== false) {
2593	3601	$surrounding_content = $wpdb->get_results($wpdb->prepare(
2594		- "SELECT article_content FROM {$system_prompt_table}
	3602	+ "SELECT id, article_content, role_restriction FROM {$system_prompt_table}
2595	3603	WHERE id IN (
2596	3604	(SELECT id FROM {$system_prompt_table} WHERE id < %d ORDER BY id DESC LIMIT 1),
2597	3605	(SELECT id FROM {$system_prompt_table} WHERE id > %d ORDER BY id ASC LIMIT 1)
2598	3606	)",
		@@ -2598,52 +3606,84 @@
2598	3606	)",
2599	3607	$result['id'],
2600	3608	$result['id']
2601	3609	));
2602		- // Add previous content if it exists
	3610	+
	3611	+ // NEW: Check role access for surrounding content too
2603	3612	if (!empty($surrounding_content[0])) {
2604		- $content .= $surrounding_content[0]->article_content . "\n\n";
	3613	+ $surrounding_role = $surrounding_content[0]->role_restriction ?? 'public';
	3614	+ if ($knowledge_manager->mxchat_user_has_content_access($surrounding_role)) {
	3615	+ $content .= "## Related Content ##\n";
	3616	+ $content .= $surrounding_content[0]->article_content . "\n\n";
	3617	+ $added_document_ids[] = $surrounding_content[0]->id;
	3618	+ }
2605	3619	}
2606		- // Add the main chunk content
2607		- $content .= $chunk_content . "\n\n";
2608		- // Add next content if it exists
	3620	+
2609	3621	if (!empty($surrounding_content[1])) {
2610		- $content .= $surrounding_content[1]->article_content . "\n\n";
	3622	+ $surrounding_role = $surrounding_content[1]->role_restriction ?? 'public';
	3623	+ if ($knowledge_manager->mxchat_user_has_content_access($surrounding_role)) {
	3624	+ $content .= "## Related Content ##\n";
	3625	+ $content .= $surrounding_content[1]->article_content . "\n\n";
	3626	+ $added_document_ids[] = $surrounding_content[1]->id;
	3627	+ }
2611	3628	}
2612		- } else {
2613		- // For non-PDF content, add directly
2614		- $content .= $chunk_content . "\n\n";
2615	3629	}
2616	3630	}
	3631	+
	3632	+ // Add response guidelines
	3633	+ if (empty($top_results)) {
	3634	+ $content = "No reference information was found for this query.\n\n";
	3635	+ } else {
	3636	+ $content .= "\n## Response Guidelines ##\n" .
	3637	+ "You are an AI Chatbot. Answer naturally and helpfully using only the information from the references above. " .
	3638	+ "Be conversational and friendly, but never mention your knowledge base or training data. " .
	3639	+ "If you don't have specific information or are uncertain about any details, it's always " .
	3640	+ "better to honestly say you don't know rather than making up or guessing at answers. " .
	3641	+ "When information is incomplete, let them know you are unsure.";
	3642	+ }
2617	3643
2618	3644	return trim($content);
2619	3645	}
2620		-/**
2621		- * Find relevant content in Pinecone vector database
2622		- */
	3646	+
2623	3647	private function find_relevant_content_pinecone($user_embedding) {
	3648	+ global $wpdb; // For single role lookups
2624	3649	$options = get_option('mxchat_pinecone_addon_options', array());
2625	3650	$api_key = $options['mxchat_pinecone_api_key'] ?? '';
2626	3651	$host = $options['mxchat_pinecone_host'] ?? '';
2627		-
	3652	+
	3653	+ // Initialize similarity analysis storage
	3654	+ $this->last_similarity_analysis = [
	3655	+ 'knowledge_base_type' => 'Pinecone',
	3656	+ 'top_matches' => [],
	3657	+ 'threshold_used' => 0,
	3658	+ 'total_checked' => 0
	3659	+ ];
	3660	+
2628	3661	if (empty($host) || empty($api_key)) {
2629		- //error_log('Pinecone credentials not properly configured');
2630	3662	return '';
2631	3663	}
2632		-
2633		- // Get similarity threshold from WordPress settings
2634		- $similarity_threshold = ((int) get_option('mxchat_similarity_threshold', 80)) / 100;
2635		-
2636		- // Prepare the query request for Pinecone
	3664	+
	3665	+ // Get knowledge manager instance for role checking
	3666	+ $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
	3667	+
	3668	+ // Get the similarity threshold from the main options
	3669	+ $main_options = get_option('mxchat_options', []);
	3670	+ $similarity_threshold = isset($main_options['similarity_threshold'])
	3671	+ ? ((int) $main_options['similarity_threshold']) / 100
	3672	+ : 0.75;
	3673	+
	3674	+ $this->last_similarity_analysis['threshold_used'] = $similarity_threshold;
	3675	+
	3676	+ // Prepare the query request for Pinecone (request more for testing)
2637	3677	$api_endpoint = "https://{$host}/query";
2638		-
	3678	+
2639	3679	$request_body = array(
2640	3680	'vector' => $user_embedding,
2641		- 'topK' => 5,
	3681	+ 'topK' => 20, // Request more to get good testing data
2642	3682	'includeMetadata' => true,
2643	3683	'includeValues' => true
2644	3684	);
2645		-
	3685	+
2646	3686	$response = wp_remote_post($api_endpoint, array(
2647	3687	'headers' => array(
2648	3688	'Api-Key' => $api_key,
2649	3689	'accept' => 'application/json',
		@@ -2651,45 +3691,162 @@
2651	3691	),
2652	3692	'body' => wp_json_encode($request_body),
2653	3693	'timeout' => 30
2654	3694	));
2655		-
	3695	+
2656	3696	if (is_wp_error($response)) {
2657		- //error_log('Pinecone query error: ' . $response->get_error_message());
2658	3697	return '';
2659	3698	}
2660		-
	3699	+
2661	3700	$response_code = wp_remote_retrieve_response_code($response);
2662	3701	if ($response_code !== 200) {
2663		- //error_log('Pinecone API error: ' . wp_remote_retrieve_body($response));
2664	3702	return '';
2665	3703	}
2666		-
	3704	+
2667	3705	$results = json_decode(wp_remote_retrieve_body($response), true);
2668	3706	if (empty($results['matches'])) {
2669	3707	return '';
2670	3708	}
2671		-
	3709	+
2672	3710	// Initialize the final content
2673	3711	$content = '';
2674		-
2675		- // Process each match
2676		- foreach ($results['matches'] as $match) {
	3712	+ $matches_used = 0;
	3713	+ $matches_used_for_context = [];
	3714	+
	3715	+ // Process each match for actual content generation (lazy role checking)
	3716	+ foreach ($results['matches'] as $index => $match) {
2677	3717	// Skip if similarity is below threshold
2678	3718	if ($match['score'] < $similarity_threshold) {
2679	3719	continue;
2680	3720	}
2681		-
2682		- if (!empty($match['metadata']['text']) && !empty($match['metadata']['source_url'])) {
2683		- // Add content with citation
2684		- $content .= $match['metadata']['text'] . "\n";
2685		- $content .= "Source: " . $match['metadata']['source_url'] . "\n\n";
	3721	+
	3722	+ // Limit to top 5 matches above threshold
	3723	+ if ($matches_used >= 5) {
	3724	+ break;
2686	3725	}
	3726	+
	3727	+ if (!empty($match['metadata']['text'])) {
	3728	+ // LAZY ROLE CHECK: Only check role for content we're actually considering
	3729	+ $match_id = $match['id'] ?? '';
	3730	+ $role_restriction = $this->get_single_vector_role($match_id, $match['metadata']);
	3731	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3732	+
	3733	+ // Skip if user doesn't have access
	3734	+ if (!$has_access) {
	3735	+ continue;
	3736	+ }
	3737	+
	3738	+ // User has access - add to content
	3739	+ $content .= "## Reference " . ($matches_used + 1) . " ##\n";
	3740	+ $content .= $match['metadata']['text'] . "\n\n";
	3741	+
	3742	+ if (!empty($match['metadata']['source_url'])) {
	3743	+ $content .= "URL: " . $match['metadata']['source_url'] . "\n\n";
	3744	+ }
	3745	+
	3746	+ $matches_used_for_context[] = $match['id'] ?? $index;
	3747	+ $matches_used++;
	3748	+ }
2687	3749	}
2688		-
	3750	+
	3751	+ // Process ALL matches for testing data (top 10) - with role checking for testing display
	3752	+ $all_matches = [];
	3753	+ foreach ($results['matches'] as $index => $match) {
	3754	+ if ($index >= 10) break; // Limit to top 10 for testing
	3755	+
	3756	+ $match_id = $match['id'] ?? '';
	3757	+
	3758	+ // Check role access for testing display (use cache if available)
	3759	+ $role_restriction = $this->get_single_vector_role($match_id, $match['metadata']);
	3760	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3761	+
	3762	+ $source_display = '';
	3763	+ if (!empty($match['metadata']['source_url'])) {
	3764	+ $source_display = $match['metadata']['source_url'];
	3765	+ } else {
	3766	+ $content_preview = strip_tags($match['metadata']['text'] ?? '');
	3767	+ $content_preview = preg_replace('/\s+/', ' ', $content_preview);
	3768	+ $source_display = substr(trim($content_preview), 0, 50) . '...';
	3769	+ }
	3770	+
	3771	+ $match_id_for_display = $match['id'] ?? $index;
	3772	+
	3773	+ $all_matches[] = [
	3774	+ 'document_id' => $match_id_for_display,
	3775	+ 'similarity' => $match['score'],
	3776	+ 'similarity_percentage' => round($match['score'] * 100, 2),
	3777	+ 'above_threshold' => $match['score'] >= $similarity_threshold,
	3778	+ 'source_display' => $source_display,
	3779	+ 'content_preview' => substr(strip_tags($match['metadata']['text'] ?? ''), 0, 100) . '...',
	3780	+ 'used_for_context' => in_array($match_id_for_display, $matches_used_for_context),
	3781	+ 'role_restriction' => $role_restriction,
	3782	+ 'has_access' => $has_access,
	3783	+ 'filtered_out' => !$has_access
	3784	+ ];
	3785	+ }
	3786	+
	3787	+ // Store for testing panel
	3788	+ $this->last_similarity_analysis['top_matches'] = $all_matches;
	3789	+ $this->last_similarity_analysis['total_checked'] = count($results['matches']);
	3790	+
	3791	+ //error_log("MxChat Testing: Stored " . count($this->last_similarity_analysis['top_matches']) . " Pinecone matches for testing");
	3792	+
	3793	+ // Add response guidelines
	3794	+ if ($matches_used === 0) {
	3795	+ $content = "No reference information was found for this query.\n\n";
	3796	+ } else {
	3797	+ $content .= "\n## Response Guidelines ##\n" .
	3798	+ "You are an AI Chatbot. Answer naturally and helpfully using only the information from the references above. " .
	3799	+ "Be conversational and friendly, but never mention your knowledge base or training data. " .
	3800	+ "If you don't have specific information or are uncertain about any details, it's always " .
	3801	+ "better to honestly say you don't know rather than making up or guessing at answers. " .
	3802	+ "When information is incomplete, let them know you are unsure.";
	3803	+ }
	3804	+
2689	3805	return trim($content);
2690	3806	}
2691	3807
	3808	+/**
	3809	+ * Get role restriction for a single vector (with caching)
	3810	+ */
	3811	+private function get_single_vector_role($vector_id, $metadata = array()) {
	3812	+ global $wpdb;
	3813	+
	3814	+ if (empty($vector_id)) {
	3815	+ return 'public';
	3816	+ }
	3817	+
	3818	+ // Check cache first
	3819	+ $cache_key = 'mxchat_vector_role_' . $vector_id;
	3820	+ $cached_role = wp_cache_get($cache_key, 'mxchat_vector_roles');
	3821	+
	3822	+ if ($cached_role !== false) {
	3823	+ return $cached_role;
	3824	+ }
	3825	+
	3826	+ $role_restriction = 'public';
	3827	+
	3828	+ // First try Pinecone metadata
	3829	+ if (!empty($metadata['role_restriction'])) {
	3830	+ $role_restriction = $metadata['role_restriction'];
	3831	+ } else {
	3832	+ // Check WordPress table for user-modified roles
	3833	+ $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
	3834	+ $stored_role = $wpdb->get_var($wpdb->prepare(
	3835	+ "SELECT role_restriction FROM {$roles_table} WHERE vector_id = %s",
	3836	+ $vector_id
	3837	+ ));
	3838	+
	3839	+ if ($stored_role) {
	3840	+ $role_restriction = $stored_role;
	3841	+ }
	3842	+ }
	3843	+
	3844	+ // Cache individual role for 1 hour
	3845	+ wp_cache_set($cache_key, $role_restriction, 'mxchat_vector_roles', 3600);
	3846	+
	3847	+ return $role_restriction;
	3848	+}
2692	3849
2693	3850	private function mxchat_find_relevant_products($user_embedding) {
2694	3851	//error_log('MXChat Vector Search: Starting product search...');
2695	3852
		@@ -2708,9 +3865,8 @@
2708	3865	//error_log('MXChat Vector Search: Using WordPress database for products');
2709	3866	return $this->find_relevant_products_wordpress($user_embedding);
2710	3867	}
2711	3868	}
2712		-
2713	3869	private function find_relevant_products_wordpress($user_embedding) {
2714	3870	global $wpdb;
2715	3871	$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
2716	3872	$cache_key = 'mxchat_system_prompt_embeddings';
		@@ -2784,10 +3940,8 @@
2784	3940	}
2785	3941
2786	3942	return trim($content);
2787	3943	}
2788		-
2789		-// Modified search function with correct filter syntax
2790	3944	private function find_relevant_products_pinecone($user_embedding) {
2791	3945	//error_log('Starting Pinecone product search...');
2792	3946
2793	3947	$options = get_option('mxchat_pinecone_addon_options', array());
		@@ -2862,10 +4016,8 @@
2862	4016	}
2863	4017
2864	4018	return trim($content);
2865	4019	}
2866		-
2867		-
2868	4020	private function fetch_content_with_product_links($most_relevant_id) {
2869	4021	global $wpdb;
2870	4022	$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
2871	4023
		@@ -2884,315 +4036,1071 @@
2884	4036
2885	4037	return null;
2886	4038	}
2887	4039
2888		-// Function definition
2889		-private function mxchat_generate_response($relevant_content, $api_key, $xai_api_key, $claude_api_key, $deepseek_api_key, $conversation_history) {
	4040	+/**
	4041	+ * Modified streaming functions to include testing data
	4042	+ */
	4043	+
	4044	+private function mxchat_generate_response($relevant_content, $api_key, $xai_api_key, $claude_api_key, $deepseek_api_key, $gemini_api_key, $conversation_history, $streaming = false, $session_id = '', $testing_data = null) {
2890	4045	try {
2891	4046	if (!$relevant_content) {
2892		- return esc_html__("I'm sorry, I couldn't find relevant information on that topic.", 'mxchat');
	4047	+ $error_response = [
	4048	+ 'error' => esc_html__("I couldn't find relevant information on that topic.", 'mxchat'),
	4049	+ 'error_code' => 'no_relevant_content'
	4050	+ ];
	4051	+
	4052	+ // Add testing data to error response if available
	4053	+ if ($testing_data !== null) {
	4054	+ $error_response['testing_data'] = $testing_data;
	4055	+ //error_log("MxChat Testing: Added testing data to no_relevant_content error");
	4056	+ }
	4057	+
	4058	+ return $error_response;
2893	4059	}
2894		-
	4060	+
2895	4061	// Ensure conversation_history is an array
2896	4062	if (!is_array($conversation_history)) {
2897	4063	$conversation_history = array();
2898	4064	}
2899		-
	4065	+
2900	4066	// Get selected model with default fallback
2901	4067	$selected_model = isset($this->options['model']) ? $this->options['model'] : 'gpt-4o';
2902		-
	4068	+
2903	4069	// Extract model prefix to determine the provider
2904	4070	$model_parts = explode('-', $selected_model);
2905	4071	$provider = strtolower($model_parts[0]);
2906		-
	4072	+
2907	4073	// Handle model selection based on provider prefix
2908	4074	switch ($provider) {
2909		- case 'claude':
2910		- if (empty($claude_api_key)) {
2911		- throw new Exception(esc_html__('Claude API key is not configured', 'mxchat'));
	4075	+ case 'gemini':
	4076	+ if (empty($gemini_api_key)) {
	4077	+ $error_response = [
	4078	+ 'error' => esc_html__('Google Gemini API key is not configured', 'mxchat'),
	4079	+ 'error_code' => 'missing_gemini_api_key'
	4080	+ ];
	4081	+ if ($testing_data !== null) {
	4082	+ $error_response['testing_data'] = $testing_data;
	4083	+ }
	4084	+ return $error_response;
2912	4085	}
2913		- return $this->mxchat_generate_response_claude(
	4086	+ $response = $this->mxchat_generate_response_gemini(
2914	4087	$selected_model,
2915		- $claude_api_key,
	4088	+ $gemini_api_key,
2916	4089	$conversation_history,
2917	4090	$relevant_content
2918	4091	);
2919		-
	4092	+ break;
	4093	+
	4094	+ case 'claude':
	4095	+ if (empty($claude_api_key)) {
	4096	+ $error_response = [
	4097	+ 'error' => esc_html__('Claude API key is not configured', 'mxchat'),
	4098	+ 'error_code' => 'missing_claude_api_key'
	4099	+ ];
	4100	+ if ($testing_data !== null) {
	4101	+ $error_response['testing_data'] = $testing_data;
	4102	+ }
	4103	+ return $error_response;
	4104	+ }
	4105	+ if ($streaming) {
	4106	+ return $this->mxchat_generate_response_claude_stream(
	4107	+ $selected_model,
	4108	+ $claude_api_key,
	4109	+ $conversation_history,
	4110	+ $relevant_content,
	4111	+ $session_id,
	4112	+ $testing_data // Pass testing data
	4113	+ );
	4114	+ } else {
	4115	+ $response = $this->mxchat_generate_response_claude(
	4116	+ $selected_model,
	4117	+ $claude_api_key,
	4118	+ $conversation_history,
	4119	+ $relevant_content
	4120	+ );
	4121	+ }
	4122	+ break;
	4123	+
2920	4124	case 'grok':
2921	4125	if (empty($xai_api_key)) {
2922		- throw new Exception(esc_html__('X.AI API key is not configured', 'mxchat'));
	4126	+ $error_response = [
	4127	+ 'error' => esc_html__('X.AI API key is not configured', 'mxchat'),
	4128	+ 'error_code' => 'missing_xai_api_key'
	4129	+ ];
	4130	+ if ($testing_data !== null) {
	4131	+ $error_response['testing_data'] = $testing_data;
	4132	+ }
	4133	+ return $error_response;
2923	4134	}
2924		- return $this->mxchat_generate_response_xai(
2925		- $selected_model,
2926		- $xai_api_key,
2927		- $conversation_history,
2928		- $relevant_content
2929		- );
2930		-
	4135	+ if ($streaming) {
	4136	+ return $this->mxchat_generate_response_xai_stream(
	4137	+ $selected_model,
	4138	+ $xai_api_key,
	4139	+ $conversation_history,
	4140	+ $relevant_content,
	4141	+ $session_id,
	4142	+ $testing_data // Pass testing data
	4143	+ );
	4144	+ } else {
	4145	+ $response = $this->mxchat_generate_response_xai(
	4146	+ $selected_model,
	4147	+ $xai_api_key,
	4148	+ $conversation_history,
	4149	+ $relevant_content
	4150	+ );
	4151	+ }
	4152	+ break;
	4153	+
2931	4154	case 'deepseek':
2932	4155	if (empty($deepseek_api_key)) {
2933		- throw new Exception(esc_html__('DeepSeek API key is not configured', 'mxchat'));
	4156	+ $error_response = [
	4157	+ 'error' => esc_html__('DeepSeek API key is not configured', 'mxchat'),
	4158	+ 'error_code' => 'missing_deepseek_api_key'
	4159	+ ];
	4160	+ if ($testing_data !== null) {
	4161	+ $error_response['testing_data'] = $testing_data;
	4162	+ }
	4163	+ return $error_response;
2934	4164	}
2935		- return $this->mxchat_generate_response_deepseek(
2936		- $selected_model,
2937		- $deepseek_api_key,
2938		- $conversation_history,
2939		- $relevant_content
2940		- );
2941		-
	4165	+ if ($streaming) {
	4166	+ return $this->mxchat_generate_response_deepseek_stream(
	4167	+ $selected_model,
	4168	+ $deepseek_api_key,
	4169	+ $conversation_history,
	4170	+ $relevant_content,
	4171	+ $session_id,
	4172	+ $testing_data // Pass testing data
	4173	+ );
	4174	+ } else {
	4175	+ $response = $this->mxchat_generate_response_deepseek(
	4176	+ $selected_model,
	4177	+ $deepseek_api_key,
	4178	+ $conversation_history,
	4179	+ $relevant_content
	4180	+ );
	4181	+ }
	4182	+ break;
	4183	+
2942	4184	case 'gpt':
	4185	+ case 'o1':
2943	4186	if (empty($api_key)) {
2944		- throw new Exception(esc_html__('OpenAI API key is not configured', 'mxchat'));
	4187	+ $error_response = [
	4188	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	4189	+ 'error_code' => 'missing_openai_api_key'
	4190	+ ];
	4191	+ if ($testing_data !== null) {
	4192	+ $error_response['testing_data'] = $testing_data;
	4193	+ }
	4194	+ return $error_response;
2945	4195	}
2946		- return $this->mxchat_generate_response_openai(
2947		- $selected_model,
2948		- $api_key,
2949		- $conversation_history,
2950		- $relevant_content
2951		- );
2952		-
	4196	+ if ($streaming) {
	4197	+ return $this->mxchat_generate_response_openai_stream(
	4198	+ $selected_model,
	4199	+ $api_key,
	4200	+ $conversation_history,
	4201	+ $relevant_content,
	4202	+ $session_id,
	4203	+ $testing_data // Pass testing data
	4204	+ );
	4205	+ } else {
	4206	+ $response = $this->mxchat_generate_response_openai(
	4207	+ $selected_model,
	4208	+ $api_key,
	4209	+ $conversation_history,
	4210	+ $relevant_content
	4211	+ );
	4212	+ }
	4213	+ break;
	4214	+
2953	4215	default:
2954	4216	// Default to OpenAI for custom models or unrecognized prefixes
2955	4217	if (empty($api_key)) {
2956		- throw new Exception(esc_html__('OpenAI API key is not configured', 'mxchat'));
	4218	+ $error_response = [
	4219	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	4220	+ 'error_code' => 'missing_openai_api_key'
	4221	+ ];
	4222	+ if ($testing_data !== null) {
	4223	+ $error_response['testing_data'] = $testing_data;
	4224	+ }
	4225	+ return $error_response;
2957	4226	}
2958		- return $this->mxchat_generate_response_openai(
2959		- $selected_model,
2960		- $api_key,
2961		- $conversation_history,
2962		- $relevant_content
2963		- );
	4227	+ if ($streaming) {
	4228	+ return $this->mxchat_generate_response_openai_stream(
	4229	+ $selected_model,
	4230	+ $api_key,
	4231	+ $conversation_history,
	4232	+ $relevant_content,
	4233	+ $session_id,
	4234	+ $testing_data // Pass testing data
	4235	+ );
	4236	+ } else {
	4237	+ $response = $this->mxchat_generate_response_openai(
	4238	+ $selected_model,
	4239	+ $api_key,
	4240	+ $conversation_history,
	4241	+ $relevant_content
	4242	+ );
	4243	+ }
	4244	+ break;
2964	4245	}
	4246	+
	4247	+ // Check if the response is an error array from the provider-specific function
	4248	+ if (is_array($response) && isset($response['error'])) {
	4249	+ // Add testing data to error response if available
	4250	+ if ($testing_data !== null) {
	4251	+ $response['testing_data'] = $testing_data;
	4252	+ //error_log("MxChat Testing: Added testing data to provider error response");
	4253	+ }
	4254	+ return $response; // Pass through the error with testing data
	4255	+ }
	4256	+
	4257	+ // For successful non-streaming responses, we don't add testing data here
	4258	+ // because it will be added in the main handler
	4259	+ return $response;
	4260	+
2965	4261	} catch (Exception $e) {
2966	4262	//error_log('MXChat Error: ' . $e->getMessage());
2967		- return sprintf(
2968		- esc_html__('An error occurred: %s', 'mxchat'),
2969		- esc_html($e->getMessage())
2970		- );
	4263	+ $error_response = [
	4264	+ 'error' => sprintf(esc_html__('An error occurred: %s', 'mxchat'), esc_html($e->getMessage())),
	4265	+ 'error_code' => 'system_exception',
	4266	+ 'exception_details' => $e->getMessage()
	4267	+ ];
	4268	+
	4269	+ // Add testing data to exception response if available
	4270	+ if ($testing_data !== null) {
	4271	+ $error_response['testing_data'] = $testing_data;
	4272	+ //error_log("MxChat Testing: Added testing data to exception response");
	4273	+ }
	4274	+
	4275	+ return $error_response;
2971	4276	}
2972	4277	}
2973	4278
	4279	+private function mxchat_generate_response_openai_stream($selected_model, $api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4280	+ try {
	4281	+ // Get system prompt instructions from options
	4282	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4283	+
	4284	+ // Ensure conversation_history is an array
	4285	+ if (!is_array($conversation_history)) {
	4286	+ $conversation_history = array();
	4287	+ }
2974	4288
2975		-private function mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content) {
2976		- // Ensure conversation_history is an array
2977		- if (!is_array($conversation_history)) {
2978		- $conversation_history = array();
2979		- }
	4289	+ // Format conversation history for OpenAI
	4290	+ $formatted_conversation = array();
2980	4291
2981		- // Get system prompt instructions from options
2982		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4292	+ $formatted_conversation[] = array(
	4293	+ 'role' => 'system',
	4294	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	4295	+ );
2983	4296
2984		- // Create a new array for the formatted conversation
2985		- $formatted_conversation = array();
	4297	+ foreach ($conversation_history as $message) {
	4298	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	4299	+ $role = $message['role'];
	4300	+ if ($role === 'bot' || $role === 'agent') {
	4301	+ $role = 'assistant';
	4302	+ }
	4303	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	4304	+ $role = 'user';
	4305	+ }
	4306	+ $formatted_conversation[] = array(
	4307	+ 'role' => $role,
	4308	+ 'content' => $message['content']
	4309	+ );
	4310	+ }
	4311	+ }
2986	4312
2987		- // Add system message first
2988		- $formatted_conversation[] = array(
2989		- 'role' => 'system',
2990		- 'content' => $system_prompt_instructions . " " . $relevant_content
2991		- );
	4313	+ // Check if we can actually stream
	4314	+ if (headers_sent() || !function_exists('curl_init')) {
	4315	+ // Fallback to regular response with testing data
	4316	+ //error_log("MxChat: OpenAI streaming not possible, falling back to regular response");
	4317	+ $regular_response = $this->mxchat_generate_response_openai(
	4318	+ $selected_model,
	4319	+ $api_key,
	4320	+ $conversation_history,
	4321	+ $relevant_content
	4322	+ );
	4323	+
	4324	+ $response_data = [
	4325	+ 'text' => $regular_response,
	4326	+ 'html' => '',
	4327	+ 'session_id' => $session_id
	4328	+ ];
	4329	+
	4330	+ if ($testing_data !== null) {
	4331	+ $response_data['testing_data'] = $testing_data;
	4332	+ //error_log("MxChat Testing: Added testing data to OpenAI fallback response");
	4333	+ }
	4334	+
	4335	+ header('Content-Type: application/json');
	4336	+ echo json_encode($response_data);
	4337	+ return true;
	4338	+ }
2992	4339
2993		- // Add the rest of the conversation history
2994		- foreach ($conversation_history as $message) {
2995		- if (is_array($message) && isset($message['role']) && isset($message['content'])) {
2996		- $role = $message['role'];
	4340	+ // Prepare the request body with stream: true
	4341	+ $body = json_encode([
	4342	+ 'model' => $selected_model,
	4343	+ 'messages' => $formatted_conversation,
	4344	+ 'temperature' => 1,
	4345	+ 'stream' => true
	4346	+ ]);
2997	4347
2998		- // Convert roles to supported format
2999		- if ($role === 'bot' || $role === 'agent') {
3000		- $role = 'assistant';
	4348	+ // Use cURL for streaming support
	4349	+ $ch = curl_init();
	4350	+ curl_setopt($ch, CURLOPT_URL, 'https://api.openai.com/v1/chat/completions');
	4351	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4352	+ curl_setopt($ch, CURLOPT_POST, true);
	4353	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4354	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4355	+ 'Content-Type: application/json',
	4356	+ 'Authorization: Bearer ' . $api_key
	4357	+ ));
	4358	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4359	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	4360	+
	4361	+ $full_response = ''; // Accumulate full response for saving
	4362	+ $stream_started = false;
	4363	+
	4364	+ // Buffer control for real-time streaming
	4365	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	4366	+ // Send testing data as the first event if available
	4367	+ if (!$stream_started && $testing_data !== null) {
	4368	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4369	+ flush();
	4370	+ $stream_started = true;
	4371	+ //error_log("MxChat Testing: Sent testing data in OpenAI stream");
3001	4372	}
3002		- if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
3003		- $role = 'user';
	4373	+
	4374	+ // Process each chunk of data
	4375	+ $lines = explode("\n", $data);
	4376	+
	4377	+ foreach ($lines as $line) {
	4378	+ if (trim($line) === '' || strpos($line, 'data: ') !== 0) {
	4379	+ continue;
	4380	+ }
	4381	+
	4382	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	4383	+
	4384	+ if ($json_str === '[DONE]') {
	4385	+ echo "data: [DONE]\n\n";
	4386	+ flush();
	4387	+ continue;
	4388	+ }
	4389	+
	4390	+ $json = json_decode($json_str, true);
	4391	+ if (isset($json['choices'][0]['delta']['content'])) {
	4392	+ $content = $json['choices'][0]['delta']['content'];
	4393	+ $full_response .= $content; // Accumulate
	4394	+ // Send as SSE format
	4395	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	4396	+ flush();
	4397	+ }
3004	4398	}
3005		-
3006		- $formatted_conversation[] = array(
3007		- 'role' => $role,
3008		- 'content' => $message['content']
	4399	+
	4400	+ return strlen($data);
	4401	+ });
	4402	+
	4403	+ $response = curl_exec($ch);
	4404	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	4405	+
	4406	+ if (curl_errno($ch) || $http_code !== 200) {
	4407	+ curl_close($ch);
	4408	+
	4409	+ // Fallback to regular response
	4410	+ //error_log("MxChat: OpenAI streaming failed, falling back");
	4411	+ $regular_response = $this->mxchat_generate_response_openai(
	4412	+ $selected_model,
	4413	+ $api_key,
	4414	+ $conversation_history,
	4415	+ $relevant_content
3009	4416	);
	4417	+
	4418	+ $response_data = [
	4419	+ 'text' => $regular_response,
	4420	+ 'html' => '',
	4421	+ 'session_id' => $session_id
	4422	+ ];
	4423	+
	4424	+ if ($testing_data !== null) {
	4425	+ $response_data['testing_data'] = $testing_data;
	4426	+ //error_log("MxChat Testing: Added testing data to OpenAI error fallback");
	4427	+ }
	4428	+
	4429	+ header('Content-Type: application/json');
	4430	+ echo json_encode($response_data);
	4431	+ return true;
3010	4432	}
	4433	+
	4434	+ curl_close($ch);
	4435	+
	4436	+ // Save the complete response to maintain chat persistence
	4437	+ if (!empty($full_response) && !empty($session_id)) {
	4438	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	4439	+ }
	4440	+
	4441	+ return true; // Indicate streaming completed successfully
	4442	+
	4443	+ } catch (Exception $e) {
	4444	+ //error_log("MxChat OpenAI streaming exception: " . $e->getMessage());
	4445	+
	4446	+ // Fallback to regular response
	4447	+ $regular_response = $this->mxchat_generate_response_openai(
	4448	+ $selected_model,
	4449	+ $api_key,
	4450	+ $conversation_history,
	4451	+ $relevant_content
	4452	+ );
	4453	+
	4454	+ $response_data = [
	4455	+ 'text' => $regular_response,
	4456	+ 'html' => '',
	4457	+ 'session_id' => $session_id
	4458	+ ];
	4459	+
	4460	+ if ($testing_data !== null) {
	4461	+ $response_data['testing_data'] = $testing_data;
	4462	+ //error_log("MxChat Testing: Added testing data to OpenAI exception fallback");
	4463	+ }
	4464	+
	4465	+ header('Content-Type: application/json');
	4466	+ echo json_encode($response_data);
	4467	+ return true;
3011	4468	}
	4469	+}
	4470	+private function mxchat_generate_response_claude_stream($selected_model, $claude_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4471	+ try {
	4472	+ // Get system prompt instructions from options
	4473	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
3012	4474
3013		- $body = json_encode([
3014		- 'model' => $selected_model,
3015		- 'messages' => $formatted_conversation,
3016		- 'temperature' => 0.8,
3017		- 'stream' => false
3018		- ]);
	4475	+ // Ensure conversation_history is an array
	4476	+ if (!is_array($conversation_history)) {
	4477	+ $conversation_history = array();
	4478	+ }
3019	4479
3020		- $args = [
3021		- 'body' => $body,
3022		- 'headers' => [
3023		- 'Content-Type' => 'application/json',
3024		- 'Authorization' => 'Bearer ' . $deepseek_api_key,
3025		- ],
3026		- 'timeout' => 60,
3027		- 'redirection' => 5,
3028		- 'blocking' => true,
3029		- 'httpversion' => '1.0',
3030		- 'sslverify' => true,
3031		- ];
	4480	+ // Clean and validate conversation history
	4481	+ foreach ($conversation_history as &$message) {
	4482	+ // Convert bot and agent roles to assistant
	4483	+ if ($message['role'] === 'bot' || $message['role'] === 'agent') {
	4484	+ $message['role'] = 'assistant';
	4485	+ }
	4486	+
	4487	+ // Remove unsupported roles - Claude only supports 'assistant' and 'user'
	4488	+ if (!in_array($message['role'], ['assistant', 'user'])) {
	4489	+ $message['role'] = 'user';
	4490	+ }
3032	4491
3033		- $response = wp_remote_post('https://api.deepseek.com/v1/chat/completions', $args);
	4492	+ // Ensure content field exists
	4493	+ if (!isset($message['content']) || empty($message['content'])) {
	4494	+ $message['content'] = '';
	4495	+ }
3034	4496
3035		- if (is_wp_error($response)) {
3036		- //error_log('DeepSeek API Error: ' . $response->get_error_message());
3037		- return "Sorry, there was an error processing your request.";
3038		- }
	4497	+ // Remove any unsupported fields
	4498	+ $message = array_intersect_key($message, array_flip(['role', 'content']));
	4499	+ }
3039	4500
3040		- $response_body = wp_remote_retrieve_body($response);
3041		- $decoded_response = json_decode($response_body, true);
	4501	+ // Add relevant content as the latest user message
	4502	+ $conversation_history[] = [
	4503	+ 'role' => 'user',
	4504	+ 'content' => $relevant_content
	4505	+ ];
3042	4506
3043		- if (isset($decoded_response['choices'][0]['message']['content'])) {
3044		- return trim($decoded_response['choices'][0]['message']['content']);
3045		- } else {
3046		- //error_log('DeepSeek API Response Format Error: ' . print_r($decoded_response, true));
3047		- return "Sorry, I couldn't process that request.";
3048		- }
3049		-}
3050		-private function mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content) {
3051		- // Ensure conversation_history is an array
3052		- if (!is_array($conversation_history)) {
3053		- $conversation_history = array();
3054		- }
	4507	+ // Prepare the request body with stream: true
	4508	+ $body = json_encode([
	4509	+ 'model' => $selected_model,
	4510	+ 'messages' => $conversation_history,
	4511	+ 'max_tokens' => 1000,
	4512	+ 'temperature' => 0.8,
	4513	+ 'system' => $system_prompt_instructions,
	4514	+ 'stream' => true
	4515	+ ]);
3055	4516
3056		- // Get system prompt instructions from options
3057		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4517	+ // Check if we can actually stream (headers not sent, etc.)
	4518	+ if (headers_sent() || !function_exists('curl_init')) {
	4519	+ // Fallback to regular response with testing data
	4520	+ //error_log("MxChat: Streaming not possible, falling back to regular response");
	4521	+ $regular_response = $this->mxchat_generate_response_claude(
	4522	+ $selected_model,
	4523	+ $claude_api_key,
	4524	+ array_slice($conversation_history, 0, -1), // Remove the added content
	4525	+ $relevant_content
	4526	+ );
	4527	+
	4528	+ // Return as JSON with testing data
	4529	+ $response_data = [
	4530	+ 'text' => $regular_response,
	4531	+ 'html' => '',
	4532	+ 'session_id' => $session_id
	4533	+ ];
	4534	+
	4535	+ if ($testing_data !== null) {
	4536	+ $response_data['testing_data'] = $testing_data;
	4537	+ //error_log("MxChat Testing: Added testing data to Claude fallback response");
	4538	+ }
	4539	+
	4540	+ // Clear any streaming headers and send JSON
	4541	+ if (headers_sent() === false) {
	4542	+ header('Content-Type: application/json');
	4543	+ }
	4544	+ echo json_encode($response_data);
	4545	+ return true; // Indicate we handled the response
	4546	+ }
3058	4547
3059		- // Create a new array for the formatted conversation
3060		- $formatted_conversation = array();
	4548	+ // Use cURL for streaming support
	4549	+ $ch = curl_init();
	4550	+ curl_setopt($ch, CURLOPT_URL, 'https://api.anthropic.com/v1/messages');
	4551	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4552	+ curl_setopt($ch, CURLOPT_POST, true);
	4553	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4554	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4555	+ 'Content-Type: application/json',
	4556	+ 'x-api-key: ' . $claude_api_key,
	4557	+ 'anthropic-version: 2023-06-01'
	4558	+ ));
	4559	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4560	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
3061	4561
3062		- // Add system message first
3063		- $formatted_conversation[] = array(
3064		- 'role' => 'system',
3065		- 'content' => $system_prompt_instructions . " " . $relevant_content
3066		- );
	4562	+ $full_response = ''; // Accumulate full response for saving
	4563	+ $stream_started = false;
3067	4564
3068		- // Add the rest of the conversation history
3069		- foreach ($conversation_history as $message) {
3070		- if (is_array($message) && isset($message['role']) && isset($message['content'])) {
3071		- $role = $message['role'];
	4565	+ // Buffer control for real-time streaming
	4566	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	4567	+ // Send testing data as the first event if available
	4568	+ if (!$stream_started && $testing_data !== null) {
	4569	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4570	+ flush();
	4571	+ $stream_started = true;
	4572	+ //error_log("MxChat Testing: Sent testing data in Claude stream");
	4573	+ }
	4574	+
	4575	+ // Process each chunk of data
	4576	+ $lines = explode("\n", $data);
3072	4577
3073		- // Convert roles to supported format
3074		- if ($role === 'bot' || $role === 'agent') {
3075		- $role = 'assistant';
	4578	+ foreach ($lines as $line) {
	4579	+ if (trim($line) === '') {
	4580	+ continue;
	4581	+ }
	4582	+
	4583	+ // Claude uses event: and data: format
	4584	+ if (strpos($line, 'event: ') === 0) {
	4585	+ // Store the event type for the next data line
	4586	+ continue;
	4587	+ }
	4588	+
	4589	+ if (strpos($line, 'data: ') === 0) {
	4590	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	4591	+
	4592	+ $json = json_decode($json_str, true);
	4593	+ if (json_last_error() !== JSON_ERROR_NONE) {
	4594	+ continue;
	4595	+ }
	4596	+
	4597	+ // Handle different event types
	4598	+ if (isset($json['type'])) {
	4599	+ switch ($json['type']) {
	4600	+ case 'content_block_delta':
	4601	+ if (isset($json['delta']['text'])) {
	4602	+ $content = $json['delta']['text'];
	4603	+ $full_response .= $content; // Accumulate
	4604	+ // Send as SSE format compatible with your frontend
	4605	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	4606	+ flush();
	4607	+ }
	4608	+ break;
	4609	+
	4610	+ case 'message_stop':
	4611	+ echo "data: [DONE]\n\n";
	4612	+ flush();
	4613	+ break;
	4614	+
	4615	+ case 'error':
	4616	+ echo "data: " . json_encode(['error' => $json['error']['message'] ?? 'Unknown error']) . "\n\n";
	4617	+ flush();
	4618	+ break;
	4619	+ }
	4620	+ }
	4621	+ }
3076	4622	}
3077		- if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
3078		- $role = 'user';
3079		- }
3080	4623
3081		- $formatted_conversation[] = array(
3082		- 'role' => $role,
3083		- 'content' => $message['content']
3084		- );
	4624	+ return strlen($data);
	4625	+ });
	4626	+
	4627	+ $response = curl_exec($ch);
	4628	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	4629	+
	4630	+ if (curl_errno($ch)) {
	4631	+ curl_close($ch);
	4632	+ throw new Exception('cURL Error: ' . curl_error($ch));
3085	4633	}
3086		- }
3087	4634
3088		- $body = json_encode([
3089		- 'model' => $selected_model,
3090		- 'messages' => $formatted_conversation,
3091		- 'temperature' => 0.8,
3092		- 'stream' => false
3093		- ]);
	4635	+ curl_close($ch);
3094	4636
3095		- $args = [
3096		- 'body' => $body,
3097		- 'headers' => [
3098		- 'Content-Type' => 'application/json',
3099		- 'Authorization' => 'Bearer ' . $api_key,
3100		- ],
3101		- 'timeout' => 60,
3102		- 'redirection' => 5,
3103		- 'blocking' => true,
3104		- 'httpversion' => '1.0',
3105		- 'sslverify' => true,
3106		- ];
	4637	+ if ($http_code !== 200) {
	4638	+ // Fallback to regular response
	4639	+ //error_log("MxChat: Claude streaming failed with HTTP $http_code, falling back");
	4640	+ $regular_response = $this->mxchat_generate_response_claude(
	4641	+ $selected_model,
	4642	+ $claude_api_key,
	4643	+ array_slice($conversation_history, 0, -1), // Remove the added content
	4644	+ $relevant_content
	4645	+ );
	4646	+
	4647	+ $response_data = [
	4648	+ 'text' => $regular_response,
	4649	+ 'html' => '',
	4650	+ 'session_id' => $session_id
	4651	+ ];
	4652	+
	4653	+ if ($testing_data !== null) {
	4654	+ $response_data['testing_data'] = $testing_data;
	4655	+ //error_log("MxChat Testing: Added testing data to Claude error fallback");
	4656	+ }
	4657	+
	4658	+ header('Content-Type: application/json');
	4659	+ echo json_encode($response_data);
	4660	+ return true;
	4661	+ }
3107	4662
3108		- $response = wp_remote_post('https://api.openai.com/v1/chat/completions', $args);
	4663	+ // Save the complete response to maintain chat persistence
	4664	+ if (!empty($full_response) && !empty($session_id)) {
	4665	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	4666	+ }
3109	4667
3110		- if (is_wp_error($response)) {
3111		- //error_log('OpenAI API Error: ' . $response->get_error_message());
3112		- return "Sorry, there was an error processing your request.";
3113		- }
	4668	+ return true; // Indicate streaming completed successfully
3114	4669
3115		- $response_body = wp_remote_retrieve_body($response);
3116		- $decoded_response = json_decode($response_body, true);
3117		-
3118		- if (isset($decoded_response['choices'][0]['message']['content'])) {
3119		- return trim($decoded_response['choices'][0]['message']['content']);
3120		- } else {
3121		- //error_log('OpenAI API Response Format Error: ' . print_r($decoded_response, true));
3122		- return "Sorry, I couldn't process that request.";
	4670	+ } catch (Exception $e) {
	4671	+ //error_log("MxChat Claude streaming exception: " . $e->getMessage());
	4672	+
	4673	+ // Fallback to regular response on exception
	4674	+ $regular_response = $this->mxchat_generate_response_claude(
	4675	+ $selected_model,
	4676	+ $claude_api_key,
	4677	+ $conversation_history,
	4678	+ $relevant_content
	4679	+ );
	4680	+
	4681	+ $response_data = [
	4682	+ 'text' => $regular_response,
	4683	+ 'html' => '',
	4684	+ 'session_id' => $session_id
	4685	+ ];
	4686	+
	4687	+ if ($testing_data !== null) {
	4688	+ $response_data['testing_data'] = $testing_data;
	4689	+ //error_log("MxChat Testing: Added testing data to Claude exception fallback");
	4690	+ }
	4691	+
	4692	+ header('Content-Type: application/json');
	4693	+ echo json_encode($response_data);
	4694	+ return true;
3123	4695	}
3124	4696	}
3125		-private function mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content) {
3126		- // Get system prompt instructions from options
3127		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4697	+private function mxchat_generate_response_xai_stream($selected_model, $xai_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4698	+ try {
	4699	+ // Get system prompt instructions from options
	4700	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4701	+
	4702	+ // Ensure conversation_history is an array
	4703	+ if (!is_array($conversation_history)) {
	4704	+ $conversation_history = array();
	4705	+ }
3128	4706
3129		- // Add system prompt to relevant content
3130		- $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	4707	+ // Format conversation history for X.AI (same as OpenAI format)
	4708	+ $formatted_conversation = array();
3131	4709
3132		- // Prepend system instructions to the conversation history
3133		- array_unshift($conversation_history, [
3134		- 'role' => 'system',
3135		- 'content' => "Here are your instructions: " . $content_with_instructions
3136		- ]);
	4710	+ $formatted_conversation[] = array(
	4711	+ 'role' => 'system',
	4712	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	4713	+ );
3137	4714
3138		- // Ensure consistency: Replace 'bot' and 'agent' roles with supported values
3139		- foreach ($conversation_history as &$message) {
3140		- if ($message['role'] === 'bot') {
3141		- $message['role'] = 'assistant';
3142		- } elseif ($message['role'] === 'agent') {
3143		- // Tag the message as coming from a live agent
3144		- $message['role'] = 'assistant';
3145		- if (!isset($message['metadata'])) {
3146		- $message['metadata'] = ['source' => 'live_agent'];
	4715	+ foreach ($conversation_history as $message) {
	4716	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	4717	+ $role = $message['role'];
	4718	+ if ($role === 'bot' || $role === 'agent') {
	4719	+ $role = 'assistant';
	4720	+ }
	4721	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	4722	+ $role = 'user';
	4723	+ }
	4724	+ $formatted_conversation[] = array(
	4725	+ 'role' => $role,
	4726	+ 'content' => $message['content']
	4727	+ );
3147	4728	}
3148	4729	}
3149	4730
3150		- // Ensure all roles are valid
3151		- if (!in_array($message['role'], ['system', 'assistant', 'user', 'function', 'tool'])) {
3152		- $message['role'] = 'user'; // Default to 'user'
	4731	+ // Check if we can actually stream
	4732	+ if (headers_sent() || !function_exists('curl_init')) {
	4733	+ // Fallback to regular response with testing data
	4734	+ //error_log("MxChat: X.AI streaming not possible, falling back to regular response");
	4735	+ $regular_response = $this->mxchat_generate_response_xai(
	4736	+ $selected_model,
	4737	+ $xai_api_key,
	4738	+ $conversation_history,
	4739	+ $relevant_content
	4740	+ );
	4741	+
	4742	+ $response_data = [
	4743	+ 'text' => $regular_response,
	4744	+ 'html' => '',
	4745	+ 'session_id' => $session_id
	4746	+ ];
	4747	+
	4748	+ if ($testing_data !== null) {
	4749	+ $response_data['testing_data'] = $testing_data;
	4750	+ //error_log("MxChat Testing: Added testing data to X.AI fallback response");
	4751	+ }
	4752	+
	4753	+ header('Content-Type: application/json');
	4754	+ echo json_encode($response_data);
	4755	+ return true;
3153	4756	}
	4757	+
	4758	+ // Prepare the request body with stream: true
	4759	+ $body = json_encode([
	4760	+ 'model' => $selected_model,
	4761	+ 'messages' => $formatted_conversation,
	4762	+ 'temperature' => 0.8,
	4763	+ 'stream' => true
	4764	+ ]);
	4765	+
	4766	+ // Use cURL for streaming support
	4767	+ $ch = curl_init();
	4768	+ curl_setopt($ch, CURLOPT_URL, 'https://api.x.ai/v1/chat/completions');
	4769	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4770	+ curl_setopt($ch, CURLOPT_POST, true);
	4771	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4772	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4773	+ 'Content-Type: application/json',
	4774	+ 'Authorization: Bearer ' . $xai_api_key
	4775	+ ));
	4776	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4777	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	4778	+
	4779	+ $full_response = ''; // Accumulate full response for saving
	4780	+ $stream_started = false;
	4781	+
	4782	+ // Buffer control for real-time streaming
	4783	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	4784	+ // Send testing data as the first event if available
	4785	+ if (!$stream_started && $testing_data !== null) {
	4786	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4787	+ flush();
	4788	+ $stream_started = true;
	4789	+ //error_log("MxChat Testing: Sent testing data in X.AI stream");
	4790	+ }
	4791	+
	4792	+ // Process each chunk of data
	4793	+ $lines = explode("\n", $data);
	4794	+
	4795	+ foreach ($lines as $line) {
	4796	+ if (trim($line) === '' || strpos($line, 'data: ') !== 0) {
	4797	+ continue;
	4798	+ }
	4799	+
	4800	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	4801	+
	4802	+ if ($json_str === '[DONE]') {
	4803	+ echo "data: [DONE]\n\n";
	4804	+ flush();
	4805	+ continue;
	4806	+ }
	4807	+
	4808	+ $json = json_decode($json_str, true);
	4809	+ if (isset($json['choices'][0]['delta']['content'])) {
	4810	+ $content = $json['choices'][0]['delta']['content'];
	4811	+ $full_response .= $content; // Accumulate
	4812	+ // Send as SSE format
	4813	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	4814	+ flush();
	4815	+ }
	4816	+ }
	4817	+
	4818	+ return strlen($data);
	4819	+ });
	4820	+
	4821	+ $response = curl_exec($ch);
	4822	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	4823	+
	4824	+ if (curl_errno($ch) || $http_code !== 200) {
	4825	+ curl_close($ch);
	4826	+
	4827	+ // Fallback to regular response
	4828	+ //error_log("MxChat: X.AI streaming failed, falling back");
	4829	+ $regular_response = $this->mxchat_generate_response_xai(
	4830	+ $selected_model,
	4831	+ $xai_api_key,
	4832	+ $conversation_history,
	4833	+ $relevant_content
	4834	+ );
	4835	+
	4836	+ $response_data = [
	4837	+ 'text' => $regular_response,
	4838	+ 'html' => '',
	4839	+ 'session_id' => $session_id
	4840	+ ];
	4841	+
	4842	+ if ($testing_data !== null) {
	4843	+ $response_data['testing_data'] = $testing_data;
	4844	+ //error_log("MxChat Testing: Added testing data to X.AI error fallback");
	4845	+ }
	4846	+
	4847	+ header('Content-Type: application/json');
	4848	+ echo json_encode($response_data);
	4849	+ return true;
	4850	+ }
	4851	+
	4852	+ curl_close($ch);
	4853	+
	4854	+ // Save the complete response to maintain chat persistence
	4855	+ if (!empty($full_response) && !empty($session_id)) {
	4856	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	4857	+ }
	4858	+
	4859	+ return true; // Indicate streaming completed successfully
	4860	+
	4861	+ } catch (Exception $e) {
	4862	+ //error_log("MxChat X.AI streaming exception: " . $e->getMessage());
	4863	+
	4864	+ // Fallback to regular response
	4865	+ $regular_response = $this->mxchat_generate_response_xai(
	4866	+ $selected_model,
	4867	+ $xai_api_key,
	4868	+ $conversation_history,
	4869	+ $relevant_content
	4870	+ );
	4871	+
	4872	+ $response_data = [
	4873	+ 'text' => $regular_response,
	4874	+ 'html' => '',
	4875	+ 'session_id' => $session_id
	4876	+ ];
	4877	+
	4878	+ if ($testing_data !== null) {
	4879	+ $response_data['testing_data'] = $testing_data;
	4880	+ //error_log("MxChat Testing: Added testing data to X.AI exception fallback");
	4881	+ }
	4882	+
	4883	+ header('Content-Type: application/json');
	4884	+ echo json_encode($response_data);
	4885	+ return true;
3154	4886	}
	4887	+}
	4888	+private function mxchat_generate_response_deepseek_stream($selected_model, $deepseek_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4889	+ try {
	4890	+ // Get system prompt instructions from options
	4891	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4892	+
	4893	+ // Ensure conversation_history is an array
	4894	+ if (!is_array($conversation_history)) {
	4895	+ $conversation_history = array();
	4896	+ }
3155	4897
	4898	+ // Format conversation history for DeepSeek
	4899	+ $formatted_conversation = array();
3156	4900
3157		- // Build the request body
3158		- $body = json_encode([
3159		- 'model' => $selected_model,
3160		- 'messages' => $conversation_history,
3161		- 'temperature' => 0.8,
3162		- 'stream' => false
3163		- ]);
	4901	+ $formatted_conversation[] = array(
	4902	+ 'role' => 'system',
	4903	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	4904	+ );
3164	4905
3165		- // Set up the API request
3166		- $args = [
3167		- 'body' => $body,
3168		- 'headers' => [
3169		- 'Content-Type' => 'application/json',
3170		- 'Authorization' => 'Bearer ' . $xai_api_key,
3171		- ],
3172		- 'timeout' => 60,
3173		- 'redirection' => 5,
3174		- 'blocking' => true,
3175		- 'httpversion' => '1.0',
3176		- 'sslverify' => true,
3177		- ];
	4906	+ foreach ($conversation_history as $message) {
	4907	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	4908	+ $role = $message['role'];
	4909	+ if ($role === 'bot' || $role === 'agent') {
	4910	+ $role = 'assistant';
	4911	+ }
	4912	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	4913	+ $role = 'user';
	4914	+ }
	4915	+ $formatted_conversation[] = array(
	4916	+ 'role' => $role,
	4917	+ 'content' => $message['content']
	4918	+ );
	4919	+ }
	4920	+ }
3178	4921
3179		- // Make the API request
3180		- $response = wp_remote_post('https://api.x.ai/v1/chat/completions', $args);
	4922	+ // Check if we can actually stream
	4923	+ if (headers_sent() || !function_exists('curl_init')) {
	4924	+ // Fallback to regular response with testing data
	4925	+ //error_log("MxChat: DeepSeek streaming not possible, falling back to regular response");
	4926	+ $regular_response = $this->mxchat_generate_response_deepseek(
	4927	+ $selected_model,
	4928	+ $deepseek_api_key,
	4929	+ $conversation_history,
	4930	+ $relevant_content
	4931	+ );
	4932	+
	4933	+ $response_data = [
	4934	+ 'text' => $regular_response,
	4935	+ 'html' => '',
	4936	+ 'session_id' => $session_id
	4937	+ ];
	4938	+
	4939	+ if ($testing_data !== null) {
	4940	+ $response_data['testing_data'] = $testing_data;
	4941	+ //error_log("MxChat Testing: Added testing data to DeepSeek fallback response");
	4942	+ }
	4943	+
	4944	+ header('Content-Type: application/json');
	4945	+ echo json_encode($response_data);
	4946	+ return true;
	4947	+ }
3181	4948
3182		- // Process the response
3183		- if (is_wp_error($response)) {
3184		- return "Sorry, there was an error processing your request.";
3185		- }
	4949	+ // Prepare the request body with stream: true
	4950	+ $body = json_encode([
	4951	+ 'model' => $selected_model,
	4952	+ 'messages' => $formatted_conversation,
	4953	+ 'temperature' => 0.8,
	4954	+ 'stream' => true
	4955	+ ]);
3186	4956
3187		- $response_body = json_decode(wp_remote_retrieve_body($response), true);
3188		-
3189		- if (isset($response_body['choices'][0]['message']['content'])) {
3190		- return trim($response_body['choices'][0]['message']['content']);
3191		- } else {
3192		- return "Sorry, I couldn't process that request.";
	4957	+ // Use cURL for streaming support
	4958	+ $ch = curl_init();
	4959	+ curl_setopt($ch, CURLOPT_URL, 'https://api.deepseek.com/v1/chat/completions');
	4960	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4961	+ curl_setopt($ch, CURLOPT_POST, true);
	4962	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4963	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4964	+ 'Content-Type: application/json',
	4965	+ 'Authorization: Bearer ' . $deepseek_api_key
	4966	+ ));
	4967	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4968	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	4969	+
	4970	+ $full_response = ''; // Accumulate full response for saving
	4971	+ $stream_started = false;
	4972	+
	4973	+ // Buffer control for real-time streaming
	4974	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	4975	+ // Send testing data as the first event if available
	4976	+ if (!$stream_started && $testing_data !== null) {
	4977	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4978	+ flush();
	4979	+ $stream_started = true;
	4980	+ //error_log("MxChat Testing: Sent testing data in DeepSeek stream");
	4981	+ }
	4982	+
	4983	+ // Process each chunk of data
	4984	+ $lines = explode("\n", $data);
	4985	+
	4986	+ foreach ($lines as $line) {
	4987	+ if (trim($line) === '' || strpos($line, 'data: ') !== 0) {
	4988	+ continue;
	4989	+ }
	4990	+
	4991	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	4992	+
	4993	+ if ($json_str === '[DONE]') {
	4994	+ echo "data: [DONE]\n\n";
	4995	+ flush();
	4996	+ continue;
	4997	+ }
	4998	+
	4999	+ $json = json_decode($json_str, true);
	5000	+ if (isset($json['choices'][0]['delta']['content'])) {
	5001	+ $content = $json['choices'][0]['delta']['content'];
	5002	+ $full_response .= $content; // Accumulate
	5003	+ // Send as SSE format
	5004	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	5005	+ flush();
	5006	+ }
	5007	+ }
	5008	+
	5009	+ return strlen($data);
	5010	+ });
	5011	+
	5012	+ $response = curl_exec($ch);
	5013	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	5014	+
	5015	+ if (curl_errno($ch) || $http_code !== 200) {
	5016	+ $curl_error = curl_error($ch);
	5017	+ curl_close($ch);
	5018	+
	5019	+ // Log the specific error for debugging
	5020	+ //error_log("MxChat: DeepSeek streaming failed - HTTP: $http_code, cURL: $curl_error");
	5021	+
	5022	+ // Fallback to regular response
	5023	+ $regular_response = $this->mxchat_generate_response_deepseek(
	5024	+ $selected_model,
	5025	+ $deepseek_api_key,
	5026	+ $conversation_history,
	5027	+ $relevant_content
	5028	+ );
	5029	+
	5030	+ // Handle error response from regular function
	5031	+ if (is_array($regular_response) && isset($regular_response['error'])) {
	5032	+ if ($testing_data !== null) {
	5033	+ $regular_response['testing_data'] = $testing_data;
	5034	+ }
	5035	+ header('Content-Type: application/json');
	5036	+ echo json_encode($regular_response);
	5037	+ return true;
	5038	+ }
	5039	+
	5040	+ $response_data = [
	5041	+ 'text' => $regular_response,
	5042	+ 'html' => '',
	5043	+ 'session_id' => $session_id
	5044	+ ];
	5045	+
	5046	+ if ($testing_data !== null) {
	5047	+ $response_data['testing_data'] = $testing_data;
	5048	+ //error_log("MxChat Testing: Added testing data to DeepSeek error fallback");
	5049	+ }
	5050	+
	5051	+ header('Content-Type: application/json');
	5052	+ echo json_encode($response_data);
	5053	+ return true;
	5054	+ }
	5055	+
	5056	+ curl_close($ch);
	5057	+
	5058	+ // Save the complete response to maintain chat persistence
	5059	+ if (!empty($full_response) && !empty($session_id)) {
	5060	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	5061	+ }
	5062	+
	5063	+ return true; // Indicate streaming completed successfully
	5064	+
	5065	+ } catch (Exception $e) {
	5066	+ //error_log("MxChat DeepSeek streaming exception: " . $e->getMessage());
	5067	+
	5068	+ // Fallback to regular response
	5069	+ $regular_response = $this->mxchat_generate_response_deepseek(
	5070	+ $selected_model,
	5071	+ $deepseek_api_key,
	5072	+ $conversation_history,
	5073	+ $relevant_content
	5074	+ );
	5075	+
	5076	+ // Handle error response from regular function
	5077	+ if (is_array($regular_response) && isset($regular_response['error'])) {
	5078	+ if ($testing_data !== null) {
	5079	+ $regular_response['testing_data'] = $testing_data;
	5080	+ }
	5081	+ header('Content-Type: application/json');
	5082	+ echo json_encode($regular_response);
	5083	+ return true;
	5084	+ }
	5085	+
	5086	+ $response_data = [
	5087	+ 'text' => $regular_response,
	5088	+ 'html' => '',
	5089	+ 'session_id' => $session_id
	5090	+ ];
	5091	+
	5092	+ if ($testing_data !== null) {
	5093	+ $response_data['testing_data'] = $testing_data;
	5094	+ //error_log("MxChat Testing: Added testing data to DeepSeek exception fallback");
	5095	+ }
	5096	+
	5097	+ header('Content-Type: application/json');
	5098	+ echo json_encode($response_data);
	5099	+ return true;
3193	5100	}
3194	5101	}
	5102	+
3195	5103	private function mxchat_generate_response_claude($selected_model, $claude_api_key, $conversation_history, $relevant_content) {
3196	5104	// Get system prompt instructions from options
3197	5105	$system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
3198	5106
		@@ -3291,11 +5199,784 @@
3291	5199	// Log unexpected response format
3292	5200	//error_log("Claude API unexpected response format: " . print_r($response_body, true));
3293	5201	return "Sorry, I received an unexpected response format from the API.";
3294	5202	}
	5203	+private function mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content) {
	5204	+ try {
	5205	+ // Ensure conversation_history is an array
	5206	+ if (!is_array($conversation_history)) {
	5207	+ $conversation_history = array();
	5208	+ }
3295	5209
	5210	+ // Get system prompt instructions from options
	5211	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
3296	5212
	5213	+ // Create a new array for the formatted conversation
	5214	+ $formatted_conversation = array();
3297	5215
	5216	+ // Add system message first
	5217	+ $formatted_conversation[] = array(
	5218	+ 'role' => 'system',
	5219	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	5220	+ );
	5221	+
	5222	+ // Add the rest of the conversation history
	5223	+ foreach ($conversation_history as $message) {
	5224	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	5225	+ $role = $message['role'];
	5226	+
	5227	+ // Convert roles to supported format
	5228	+ if ($role === 'bot' || $role === 'agent') {
	5229	+ $role = 'assistant';
	5230	+ }
	5231	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	5232	+ $role = 'user';
	5233	+ }
	5234	+
	5235	+ $formatted_conversation[] = array(
	5236	+ 'role' => $role,
	5237	+ 'content' => $message['content']
	5238	+ );
	5239	+ }
	5240	+ }
	5241	+
	5242	+ $body = json_encode([
	5243	+ 'model' => $selected_model,
	5244	+ 'messages' => $formatted_conversation,
	5245	+ 'temperature' => 1,
	5246	+ 'stream' => false
	5247	+ ]);
	5248	+
	5249	+ $args = [
	5250	+ 'body' => $body,
	5251	+ 'headers' => [
	5252	+ 'Content-Type' => 'application/json',
	5253	+ 'Authorization' => 'Bearer ' . $api_key,
	5254	+ ],
	5255	+ 'timeout' => 60,
	5256	+ 'redirection' => 5,
	5257	+ 'blocking' => true,
	5258	+ 'httpversion' => '1.0',
	5259	+ 'sslverify' => true,
	5260	+ ];
	5261	+
	5262	+ $response = wp_remote_post('https://api.openai.com/v1/chat/completions', $args);
	5263	+
	5264	+ if (is_wp_error($response)) {
	5265	+ $error_message = $response->get_error_message();
	5266	+ //error_log('OpenAI API Error: ' . $error_message);
	5267	+ return [
	5268	+ 'error' => esc_html__('Connection error when contacting OpenAI: ', 'mxchat') . esc_html($error_message),
	5269	+ 'error_code' => 'openai_connection_error',
	5270	+ 'provider' => 'openai'
	5271	+ ];
	5272	+ }
	5273	+
	5274	+ $status_code = wp_remote_retrieve_response_code($response);
	5275	+ if ($status_code !== 200) {
	5276	+ $response_body = wp_remote_retrieve_body($response);
	5277	+ $decoded_response = json_decode($response_body, true);
	5278	+
	5279	+ $error_message = isset($decoded_response['error']['message'])
	5280	+ ? $decoded_response['error']['message']
	5281	+ : 'HTTP Error ' . $status_code;
	5282	+
	5283	+ $error_type = isset($decoded_response['error']['type'])
	5284	+ ? $decoded_response['error']['type']
	5285	+ : 'unknown';
	5286	+
	5287	+ //error_log('OpenAI API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5288	+
	5289	+ // Handle specific error types
	5290	+ switch ($error_type) {
	5291	+ case 'invalid_request_error':
	5292	+ if (strpos($error_message, 'API key') !== false) {
	5293	+ return [
	5294	+ 'error' => esc_html__('Invalid OpenAI API key. Please check your API key configuration.', 'mxchat'),
	5295	+ 'error_code' => 'openai_invalid_api_key',
	5296	+ 'provider' => 'openai'
	5297	+ ];
	5298	+ }
	5299	+ break;
	5300	+
	5301	+ case 'authentication_error':
	5302	+ return [
	5303	+ 'error' => esc_html__('Authentication failed with OpenAI. Please check your API key.', 'mxchat'),
	5304	+ 'error_code' => 'openai_auth_error',
	5305	+ 'provider' => 'openai'
	5306	+ ];
	5307	+
	5308	+ case 'rate_limit_exceeded':
	5309	+ return [
	5310	+ 'error' => esc_html__('OpenAI rate limit exceeded. Please try again later.', 'mxchat'),
	5311	+ 'error_code' => 'openai_rate_limit',
	5312	+ 'provider' => 'openai'
	5313	+ ];
	5314	+
	5315	+ case 'quota_exceeded':
	5316	+ return [
	5317	+ 'error' => esc_html__('OpenAI API quota exceeded. Please check your billing details.', 'mxchat'),
	5318	+ 'error_code' => 'openai_quota_exceeded',
	5319	+ 'provider' => 'openai'
	5320	+ ];
	5321	+ }
	5322	+
	5323	+ // Generic error fallback
	5324	+ return [
	5325	+ 'error' => esc_html__('OpenAI API error: ', 'mxchat') . esc_html($error_message),
	5326	+ 'error_code' => 'openai_api_error',
	5327	+ 'provider' => 'openai',
	5328	+ 'status_code' => $status_code
	5329	+ ];
	5330	+ }
	5331	+
	5332	+ $response_body = wp_remote_retrieve_body($response);
	5333	+ $decoded_response = json_decode($response_body, true);
	5334	+
	5335	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5336	+ return trim($decoded_response['choices'][0]['message']['content']);
	5337	+ } else {
	5338	+ //error_log('OpenAI API Response Format Error: ' . print_r($decoded_response, true));
	5339	+ return [
	5340	+ 'error' => esc_html__('Unexpected response format from OpenAI.', 'mxchat'),
	5341	+ 'error_code' => 'openai_response_format_error',
	5342	+ 'provider' => 'openai'
	5343	+ ];
	5344	+ }
	5345	+ } catch (Exception $e) {
	5346	+ //error_log('OpenAI Exception: ' . $e->getMessage());
	5347	+ return [
	5348	+ 'error' => esc_html__('System error when processing OpenAI request: ', 'mxchat') . esc_html($e->getMessage()),
	5349	+ 'error_code' => 'openai_exception',
	5350	+ 'provider' => 'openai'
	5351	+ ];
	5352	+ }
	5353	+}
	5354	+private function mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content) {
	5355	+ try {
	5356	+ // Get system prompt instructions from options
	5357	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	5358	+
	5359	+ // Add system prompt to relevant content
	5360	+ $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	5361	+
	5362	+ // Prepend system instructions to the conversation history
	5363	+ array_unshift($conversation_history, [
	5364	+ 'role' => 'system',
	5365	+ 'content' => "Here are your instructions: " . $content_with_instructions
	5366	+ ]);
	5367	+
	5368	+ // Ensure consistency: Replace 'bot' and 'agent' roles with supported values
	5369	+ foreach ($conversation_history as &$message) {
	5370	+ if ($message['role'] === 'bot') {
	5371	+ $message['role'] = 'assistant';
	5372	+ } elseif ($message['role'] === 'agent') {
	5373	+ // Tag the message as coming from a live agent
	5374	+ $message['role'] = 'assistant';
	5375	+ if (!isset($message['metadata'])) {
	5376	+ $message['metadata'] = ['source' => 'live_agent'];
	5377	+ }
	5378	+ }
	5379	+
	5380	+ // Ensure all roles are valid
	5381	+ if (!in_array($message['role'], ['system', 'assistant', 'user', 'function', 'tool'])) {
	5382	+ $message['role'] = 'user'; // Default to 'user'
	5383	+ }
	5384	+ }
	5385	+
	5386	+ // Build the request body
	5387	+ $body = json_encode([
	5388	+ 'model' => $selected_model,
	5389	+ 'messages' => $conversation_history,
	5390	+ 'temperature' => 0.8,
	5391	+ 'stream' => false
	5392	+ ]);
	5393	+
	5394	+ // Set up the API request
	5395	+ $args = [
	5396	+ 'body' => $body,
	5397	+ 'headers' => [
	5398	+ 'Content-Type' => 'application/json',
	5399	+ 'Authorization' => 'Bearer ' . $xai_api_key,
	5400	+ ],
	5401	+ 'timeout' => 60,
	5402	+ 'redirection' => 5,
	5403	+ 'blocking' => true,
	5404	+ 'httpversion' => '1.0',
	5405	+ 'sslverify' => true,
	5406	+ ];
	5407	+
	5408	+ // Make the API request
	5409	+ $response = wp_remote_post('https://api.x.ai/v1/chat/completions', $args);
	5410	+
	5411	+ // Process the response
	5412	+ if (is_wp_error($response)) {
	5413	+ $error_message = $response->get_error_message();
	5414	+ //error_log('X.AI API Error: ' . $error_message);
	5415	+ return [
	5416	+ 'error' => esc_html__('Connection error when contacting X.AI: ', 'mxchat') . esc_html($error_message),
	5417	+ 'error_code' => 'xai_connection_error',
	5418	+ 'provider' => 'xai'
	5419	+ ];
	5420	+ }
	5421	+
	5422	+ $status_code = wp_remote_retrieve_response_code($response);
	5423	+ if ($status_code !== 200) {
	5424	+ $response_body = wp_remote_retrieve_body($response);
	5425	+ $decoded_response = json_decode($response_body, true);
	5426	+
	5427	+ // Log the full response for debugging
	5428	+ //error_log('X.AI Error Response: ' . print_r($decoded_response, true));
	5429	+
	5430	+ // Extract error message from X.AI's specific format
	5431	+ $error_message = '';
	5432	+
	5433	+ // Check for direct error string (as seen in your logs)
	5434	+ if (isset($decoded_response['error']) && is_string($decoded_response['error'])) {
	5435	+ $error_message = $decoded_response['error'];
	5436	+ }
	5437	+ // Check for nested error object (OpenAI style)
	5438	+ elseif (isset($decoded_response['error']['message'])) {
	5439	+ $error_message = $decoded_response['error']['message'];
	5440	+ }
	5441	+ // Check for top-level message
	5442	+ elseif (isset($decoded_response['message'])) {
	5443	+ $error_message = $decoded_response['message'];
	5444	+ }
	5445	+ // Fallback
	5446	+ else {
	5447	+ $error_message = 'HTTP Error ' . $status_code;
	5448	+ }
	5449	+
	5450	+ //error_log('X.AI API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5451	+
	5452	+ // Check for API key errors using string matching
	5453	+ if (stripos($error_message, 'api key') !== false ||
	5454	+ stripos($error_message, 'incorrect api key') !== false ||
	5455	+ stripos($error_message, 'invalid api key') !== false) {
	5456	+ return [
	5457	+ 'error' => esc_html__('Invalid X.AI API key. Please check your API key configuration.', 'mxchat'),
	5458	+ 'error_code' => 'xai_invalid_api_key',
	5459	+ 'provider' => 'xai'
	5460	+ ];
	5461	+ }
	5462	+
	5463	+ // Authentication errors
	5464	+ if ($status_code === 401 || $status_code === 403 ||
	5465	+ stripos($error_message, 'auth') !== false) {
	5466	+ return [
	5467	+ 'error' => esc_html__('Authentication failed with X.AI. Please check your API key.', 'mxchat'),
	5468	+ 'error_code' => 'xai_auth_error',
	5469	+ 'provider' => 'xai'
	5470	+ ];
	5471	+ }
	5472	+
	5473	+ // Model errors
	5474	+ if (stripos($error_message, 'model') !== false) {
	5475	+ return [
	5476	+ 'error' => esc_html__('Invalid model specified for X.AI. Please check your model configuration.', 'mxchat'),
	5477	+ 'error_code' => 'xai_invalid_model',
	5478	+ 'provider' => 'xai'
	5479	+ ];
	5480	+ }
	5481	+
	5482	+ // Rate limit errors
	5483	+ if ($status_code === 429 ||
	5484	+ stripos($error_message, 'rate') !== false ||
	5485	+ stripos($error_message, 'limit') !== false) {
	5486	+ return [
	5487	+ 'error' => esc_html__('X.AI rate limit exceeded. Please try again later.', 'mxchat'),
	5488	+ 'error_code' => 'xai_rate_limit',
	5489	+ 'provider' => 'xai'
	5490	+ ];
	5491	+ }
	5492	+
	5493	+ // Quota errors
	5494	+ if (stripos($error_message, 'quota') !== false ||
	5495	+ stripos($error_message, 'billing') !== false) {
	5496	+ return [
	5497	+ 'error' => esc_html__('X.AI API quota exceeded. Please check your billing details.', 'mxchat'),
	5498	+ 'error_code' => 'xai_quota_exceeded',
	5499	+ 'provider' => 'xai'
	5500	+ ];
	5501	+ }
	5502	+
	5503	+ // Server errors
	5504	+ if ($status_code >= 500) {
	5505	+ return [
	5506	+ 'error' => esc_html__('X.AI service is currently unavailable. Please try again later.', 'mxchat'),
	5507	+ 'error_code' => 'xai_service_unavailable',
	5508	+ 'provider' => 'xai'
	5509	+ ];
	5510	+ }
	5511	+
	5512	+ // Generic error fallback with the actual error message
	5513	+ return [
	5514	+ 'error' => esc_html__('X.AI API error: ', 'mxchat') . esc_html($error_message),
	5515	+ 'error_code' => 'xai_api_error',
	5516	+ 'provider' => 'xai',
	5517	+ 'status_code' => $status_code
	5518	+ ];
	5519	+ }
	5520	+
	5521	+ $response_body = wp_remote_retrieve_body($response);
	5522	+ $decoded_response = json_decode($response_body, true);
	5523	+
	5524	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5525	+ return trim($decoded_response['choices'][0]['message']['content']);
	5526	+ } else {
	5527	+ //error_log('X.AI API Response Format Error: ' . print_r($decoded_response, true));
	5528	+ return [
	5529	+ 'error' => esc_html__('Unexpected response format from X.AI.', 'mxchat'),
	5530	+ 'error_code' => 'xai_response_format_error',
	5531	+ 'provider' => 'xai'
	5532	+ ];
	5533	+ }
	5534	+} catch (Exception $e) {
	5535	+ //error_log('X.AI Exception: ' . $e->getMessage());
	5536	+ return [
	5537	+ 'error' => esc_html__('System error when processing X.AI request: ', 'mxchat') . esc_html($e->getMessage()),
	5538	+ 'error_code' => 'xai_exception',
	5539	+ 'provider' => 'xai'
	5540	+ ];
	5541	+}
	5542	+
	5543	+
	5544	+}
	5545	+private function mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content) {
	5546	+ try {
	5547	+ // Ensure conversation_history is an array
	5548	+ if (!is_array($conversation_history)) {
	5549	+ $conversation_history = array();
	5550	+ }
	5551	+
	5552	+ // Get system prompt instructions from options
	5553	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	5554	+
	5555	+ // Create a new array for the formatted conversation
	5556	+ $formatted_conversation = array();
	5557	+
	5558	+ // Add system message first
	5559	+ $formatted_conversation[] = array(
	5560	+ 'role' => 'system',
	5561	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	5562	+ );
	5563	+
	5564	+ // Add the rest of the conversation history
	5565	+ foreach ($conversation_history as $message) {
	5566	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	5567	+ $role = $message['role'];
	5568	+
	5569	+ // Convert roles to supported format
	5570	+ if ($role === 'bot' || $role === 'agent') {
	5571	+ $role = 'assistant';
	5572	+ }
	5573	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	5574	+ $role = 'user';
	5575	+ }
	5576	+
	5577	+ $formatted_conversation[] = array(
	5578	+ 'role' => $role,
	5579	+ 'content' => $message['content']
	5580	+ );
	5581	+ }
	5582	+ }
	5583	+
	5584	+ $body = json_encode([
	5585	+ 'model' => $selected_model,
	5586	+ 'messages' => $formatted_conversation,
	5587	+ 'temperature' => 0.8,
	5588	+ 'stream' => false
	5589	+ ]);
	5590	+
	5591	+ $args = [
	5592	+ 'body' => $body,
	5593	+ 'headers' => [
	5594	+ 'Content-Type' => 'application/json',
	5595	+ 'Authorization' => 'Bearer ' . $deepseek_api_key,
	5596	+ ],
	5597	+ 'timeout' => 60,
	5598	+ 'redirection' => 5,
	5599	+ 'blocking' => true,
	5600	+ 'httpversion' => '1.0',
	5601	+ 'sslverify' => true,
	5602	+ ];
	5603	+
	5604	+ $response = wp_remote_post('https://api.deepseek.com/v1/chat/completions', $args);
	5605	+
	5606	+ if (is_wp_error($response)) {
	5607	+ $error_message = $response->get_error_message();
	5608	+ //error_log('DeepSeek API Error: ' . $error_message);
	5609	+ return [
	5610	+ 'error' => esc_html__('Connection error when contacting DeepSeek: ', 'mxchat') . esc_html($error_message),
	5611	+ 'error_code' => 'deepseek_connection_error',
	5612	+ 'provider' => 'deepseek'
	5613	+ ];
	5614	+ }
	5615	+
	5616	+ $status_code = wp_remote_retrieve_response_code($response);
	5617	+ if ($status_code !== 200) {
	5618	+ $response_body = wp_remote_retrieve_body($response);
	5619	+ $decoded_response = json_decode($response_body, true);
	5620	+
	5621	+ $error_message = isset($decoded_response['error']['message'])
	5622	+ ? $decoded_response['error']['message']
	5623	+ : 'HTTP Error ' . $status_code;
	5624	+
	5625	+ $error_type = isset($decoded_response['error']['type'])
	5626	+ ? $decoded_response['error']['type']
	5627	+ : 'unknown';
	5628	+
	5629	+ //error_log('DeepSeek API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5630	+
	5631	+ // Handle specific error types
	5632	+ switch ($status_code) {
	5633	+ case 401:
	5634	+ return [
	5635	+ 'error' => esc_html__('Authentication failed with DeepSeek. Please check your API key.', 'mxchat'),
	5636	+ 'error_code' => 'deepseek_auth_error',
	5637	+ 'provider' => 'deepseek'
	5638	+ ];
	5639	+
	5640	+ case 400:
	5641	+ if (strpos($error_message, 'API key') !== false) {
	5642	+ return [
	5643	+ 'error' => esc_html__('Invalid DeepSeek API key. Please check your API key configuration.', 'mxchat'),
	5644	+ 'error_code' => 'deepseek_invalid_api_key',
	5645	+ 'provider' => 'deepseek'
	5646	+ ];
	5647	+ }
	5648	+ break;
	5649	+
	5650	+ case 429:
	5651	+ if (strpos($error_message, 'quota') !== false) {
	5652	+ return [
	5653	+ 'error' => esc_html__('DeepSeek API quota exceeded. Please check your billing details.', 'mxchat'),
	5654	+ 'error_code' => 'deepseek_quota_exceeded',
	5655	+ 'provider' => 'deepseek'
	5656	+ ];
	5657	+ } else {
	5658	+ return [
	5659	+ 'error' => esc_html__('DeepSeek rate limit exceeded. Please try again later.', 'mxchat'),
	5660	+ 'error_code' => 'deepseek_rate_limit',
	5661	+ 'provider' => 'deepseek'
	5662	+ ];
	5663	+ }
	5664	+
	5665	+ case 500:
	5666	+ case 502:
	5667	+ case 503:
	5668	+ case 504:
	5669	+ return [
	5670	+ 'error' => esc_html__('DeepSeek service is currently unavailable. Please try again later.', 'mxchat'),
	5671	+ 'error_code' => 'deepseek_service_unavailable',
	5672	+ 'provider' => 'deepseek'
	5673	+ ];
	5674	+ }
	5675	+
	5676	+ // Generic error fallback
	5677	+ return [
	5678	+ 'error' => esc_html__('DeepSeek API error: ', 'mxchat') . esc_html($error_message),
	5679	+ 'error_code' => 'deepseek_api_error',
	5680	+ 'provider' => 'deepseek',
	5681	+ 'status_code' => $status_code
	5682	+ ];
	5683	+ }
	5684	+
	5685	+ $response_body = wp_remote_retrieve_body($response);
	5686	+ $decoded_response = json_decode($response_body, true);
	5687	+
	5688	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5689	+ return trim($decoded_response['choices'][0]['message']['content']);
	5690	+ } else {
	5691	+ //error_log('DeepSeek API Response Format Error: ' . print_r($decoded_response, true));
	5692	+ return [
	5693	+ 'error' => esc_html__('Unexpected response format from DeepSeek.', 'mxchat'),
	5694	+ 'error_code' => 'deepseek_response_format_error',
	5695	+ 'provider' => 'deepseek'
	5696	+ ];
	5697	+ }
	5698	+ } catch (Exception $e) {
	5699	+ //error_log('DeepSeek Exception: ' . $e->getMessage());
	5700	+ return [
	5701	+ 'error' => esc_html__('System error when processing DeepSeek request: ', 'mxchat') . esc_html($e->getMessage()),
	5702	+ 'error_code' => 'deepseek_exception',
	5703	+ 'provider' => 'deepseek'
	5704	+ ];
	5705	+ }
	5706	+}
	5707	+private function mxchat_generate_response_gemini($selected_model, $gemini_api_key, $conversation_history, $relevant_content) {
	5708	+ // Get system prompt instructions from options
	5709	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	5710	+
	5711	+ // Add system prompt to relevant content
	5712	+ $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	5713	+
	5714	+ // Format messages for Gemini API
	5715	+ $formatted_messages = [];
	5716	+
	5717	+ // Add system message as the first user message with role prefix
	5718	+ // Note: Gemini doesn't have a dedicated system role, so we use a prefixed user message
	5719	+ $formatted_messages[] = [
	5720	+ 'role' => 'user',
	5721	+ 'parts' => [
	5722	+ ['text' => "[System Instructions] " . $content_with_instructions]
	5723	+ ]
	5724	+ ];
	5725	+
	5726	+ // Add model response to acknowledge system instructions
	5727	+ $formatted_messages[] = [
	5728	+ 'role' => 'model',
	5729	+ 'parts' => [
	5730	+ ['text' => "I understand and will follow these instructions."]
	5731	+ ]
	5732	+ ];
	5733	+
	5734	+ // Process the rest of the conversation history
	5735	+ $current_role = null;
	5736	+ $current_parts = [];
	5737	+
	5738	+ foreach ($conversation_history as $message) {
	5739	+ // Skip the first system message as we already handled it
	5740	+ if ($message['role'] === 'system') {
	5741	+ continue;
	5742	+ }
	5743	+
	5744	+ // Map roles to Gemini format
	5745	+ $gemini_role = '';
	5746	+ if ($message['role'] === 'user') {
	5747	+ $gemini_role = 'user';
	5748	+ } else if (in_array($message['role'], ['assistant', 'bot', 'agent'])) {
	5749	+ $gemini_role = 'model';
	5750	+ } else {
	5751	+ // Skip unsupported roles
	5752	+ continue;
	5753	+ }
	5754	+
	5755	+ // If we have a new role, add the previous message
	5756	+ if ($current_role !== null && $current_role !== $gemini_role && !empty($current_parts)) {
	5757	+ $formatted_messages[] = [
	5758	+ 'role' => $current_role,
	5759	+ 'parts' => $current_parts
	5760	+ ];
	5761	+ $current_parts = [];
	5762	+ }
	5763	+
	5764	+ // Set current role and add text to parts
	5765	+ $current_role = $gemini_role;
	5766	+ $current_parts[] = ['text' => $message['content']];
	5767	+ }
	5768	+
	5769	+ // Add the last message if there's content
	5770	+ if ($current_role !== null && !empty($current_parts)) {
	5771	+ $formatted_messages[] = [
	5772	+ 'role' => $current_role,
	5773	+ 'parts' => $current_parts
	5774	+ ];
	5775	+ }
	5776	+
	5777	+ // Build the request body
	5778	+ $body = json_encode([
	5779	+ 'contents' => $formatted_messages,
	5780	+ 'generationConfig' => [
	5781	+ 'temperature' => 0.7,
	5782	+ 'topP' => 0.95,
	5783	+ 'topK' => 40,
	5784	+ 'maxOutputTokens' => 8192,
	5785	+ ],
	5786	+ 'safetySettings' => [
	5787	+ [
	5788	+ 'category' => 'HARM_CATEGORY_HARASSMENT',
	5789	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	5790	+ ],
	5791	+ [
	5792	+ 'category' => 'HARM_CATEGORY_HATE_SPEECH',
	5793	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	5794	+ ],
	5795	+ [
	5796	+ 'category' => 'HARM_CATEGORY_SEXUALLY_EXPLICIT',
	5797	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	5798	+ ],
	5799	+ [
	5800	+ 'category' => 'HARM_CATEGORY_DANGEROUS_CONTENT',
	5801	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	5802	+ ]
	5803	+ ]
	5804	+ ]);
	5805	+
	5806	+ // Prepare the API endpoint
	5807	+ $api_endpoint = 'https://generativelanguage.googleapis.com/v1/models/' . $selected_model . ':generateContent?key=' . $gemini_api_key;
	5808	+
	5809	+ // Set up the API request
	5810	+ $args = [
	5811	+ 'body' => $body,
	5812	+ 'headers' => [
	5813	+ 'Content-Type' => 'application/json',
	5814	+ ],
	5815	+ 'timeout' => 60,
	5816	+ 'redirection' => 5,
	5817	+ 'blocking' => true,
	5818	+ 'httpversion' => '1.0',
	5819	+ 'sslverify' => true,
	5820	+ ];
	5821	+
	5822	+ // Make the API request
	5823	+ $response = wp_remote_post($api_endpoint, $args);
	5824	+
	5825	+ // Process the response
	5826	+ if (is_wp_error($response)) {
	5827	+ return "Sorry, there was an error processing your request: " . $response->get_error_message();
	5828	+ }
	5829	+
	5830	+ $response_body = json_decode(wp_remote_retrieve_body($response), true);
	5831	+
	5832	+ // Handle potential errors in the response
	5833	+ if (isset($response_body['error'])) {
	5834	+ //error_log('Gemini API Error: ' . json_encode($response_body['error']));
	5835	+ return "Sorry, there was an error with the Gemini API: " .
	5836	+ (isset($response_body['error']['message']) ? $response_body['error']['message'] : 'Unknown error');
	5837	+ }
	5838	+
	5839	+ // Extract the response text
	5840	+ if (isset($response_body['candidates'][0]['content']['parts'][0]['text'])) {
	5841	+ return trim($response_body['candidates'][0]['content']['parts'][0]['text']);
	5842	+ } else {
	5843	+ //error_log('Unexpected Gemini API response format: ' . json_encode($response_body));
	5844	+ return "Sorry, I couldn't process that request. The response format was unexpected.";
	5845	+ }
	5846	+}
	5847	+
	5848	+public function test_streaming_request() {
	5849	+ $options = get_option('mxchat_options', []);
	5850	+ $model = $options['model'] ?? 'gpt-4o';
	5851	+
	5852	+ // Detect provider from model prefix
	5853	+ $provider = strtolower(explode('-', $model)[0]);
	5854	+
	5855	+ $sample_prompt = 'Hello! Can you stream this response back to me?';
	5856	+ $messages = [['role' => 'user', 'content' => $sample_prompt]];
	5857	+ $headers = [];
	5858	+ $body = [];
	5859	+ $url = '';
	5860	+ $api_key = '';
	5861	+
	5862	+ switch ($provider) {
	5863	+ case 'gpt':
	5864	+ case 'o1':
	5865	+ $api_key = $options['api_key'] ?? '';
	5866	+ if (empty($api_key)) return '❌ Missing API key for OpenAI';
	5867	+ $url = 'https://api.openai.com/v1/chat/completions';
	5868	+ $headers = [
	5869	+ 'Content-Type: application/json',
	5870	+ 'Authorization: Bearer ' . $api_key
	5871	+ ];
	5872	+ $body = [
	5873	+ 'model' => $model,
	5874	+ 'messages' => $messages,
	5875	+ 'stream' => true
	5876	+ ];
	5877	+ break;
	5878	+
	5879	+ case 'claude':
	5880	+ $api_key = $options['claude_api_key'] ?? '';
	5881	+ if (empty($api_key)) return '❌ Missing API key for Claude';
	5882	+ $url = 'https://api.anthropic.com/v1/messages';
	5883	+ $headers = [
	5884	+ 'Content-Type: application/json',
	5885	+ 'x-api-key: ' . $api_key,
	5886	+ 'anthropic-version: 2023-06-01'
	5887	+ ];
	5888	+ $body = [
	5889	+ 'model' => $model,
	5890	+ 'messages' => $messages,
	5891	+ 'max_tokens' => 100,
	5892	+ 'stream' => true
	5893	+ ];
	5894	+ break;
	5895	+
	5896	+ case 'grok':
	5897	+ $api_key = $options['xai_api_key'] ?? '';
	5898	+ if (empty($api_key)) return '❌ Missing API key for X.AI';
	5899	+ $url = 'https://api.x.ai/v1/chat/completions';
	5900	+ $headers = [
	5901	+ 'Content-Type: application/json',
	5902	+ 'Authorization: Bearer ' . $api_key
	5903	+ ];
	5904	+ $body = [
	5905	+ 'model' => $model,
	5906	+ 'messages' => $messages,
	5907	+ 'stream' => true
	5908	+ ];
	5909	+ break;
	5910	+
	5911	+ case 'deepseek':
	5912	+ if (empty($deepseek_api_key)) {
	5913	+ $error_response = [
	5914	+ 'error' => esc_html__('DeepSeek API key is not configured', 'mxchat'),
	5915	+ 'error_code' => 'missing_deepseek_api_key'
	5916	+ ];
	5917	+ if ($testing_data !== null) {
	5918	+ $error_response['testing_data'] = $testing_data;
	5919	+ }
	5920	+ return $error_response;
	5921	+ }
	5922	+ if ($streaming) {
	5923	+ return $this->mxchat_generate_response_deepseek_stream(
	5924	+ $selected_model,
	5925	+ $deepseek_api_key,
	5926	+ $conversation_history,
	5927	+ $relevant_content,
	5928	+ $session_id,
	5929	+ $testing_data // Pass testing data
	5930	+ );
	5931	+ } else {
	5932	+ $response = $this->mxchat_generate_response_deepseek(
	5933	+ $selected_model,
	5934	+ $deepseek_api_key,
	5935	+ $conversation_history,
	5936	+ $relevant_content
	5937	+ );
	5938	+ }
	5939	+ break;
	5940	+
	5941	+ case 'gemini':
	5942	+ $api_key = $options['gemini_api_key'] ?? '';
	5943	+ if (empty($api_key)) return '❌ Missing API key for Gemini';
	5944	+ $url = 'https://generativelanguage.googleapis.com/v1beta/models/' . $model . ':streamGenerateContent?key=' . $api_key;
	5945	+ $headers = ['Content-Type: application/json'];
	5946	+ $body = [
	5947	+ 'contents' => [['role' => 'user', 'parts' => [['text' => $sample_prompt]]]],
	5948	+ 'generationConfig' => ['temperature' => 0.7]
	5949	+ ];
	5950	+ break;
	5951	+
	5952	+ default:
	5953	+ return '❌ Unsupported provider: ' . $provider;
	5954	+ }
	5955	+
	5956	+ // Do the actual streaming test
	5957	+ $ch = curl_init($url);
	5958	+ curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($body));
	5959	+ curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
	5960	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	5961	+ curl_setopt($ch, CURLOPT_TIMEOUT, 15);
	5962	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	5963	+
	5964	+ $response = curl_exec($ch);
	5965	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	5966	+ $error = curl_error($ch);
	5967	+ curl_close($ch);
	5968	+
	5969	+ if ($error) return "❌ cURL error: $error";
	5970	+ if ($http_code !== 200) {
	5971	+ $error_message = json_decode($response, true)['error']['message'] ?? 'Unknown';
	5972	+ return "❌ HTTP $http_code: $error_message";
	5973	+ }
	5974	+
	5975	+ return true;
	5976	+}
	5977	+
	5978	+
3298	5979	public function mxchat_dismiss_pre_chat_message() {
3299	5980	// Get and sanitize the user identifier
3300	5981	$user_id = $this->mxchat_get_user_identifier();
3301	5982	$user_id = sanitize_key($user_id);
		@@ -3351,11 +6032,10 @@
3351	6032	}
3352	6033
3353	6034	public function mxchat_enqueue_scripts_styles() {
3354	6035	// Define version numbers for the styles and scripts
3355		- $chat_style_version = '2.0.6'; // Replace with your actual version
3356		- $chat_script_version = '2.0.6'; // Replace with your actual version
3357		-
	6036	+ $chat_style_version = '2.4.0';
	6037	+ $chat_script_version = '2.4.0';
3358	6038	// Enqueue the script
3359	6039	wp_enqueue_script(
3360	6040	'mxchat-chat-js',
3361	6041	plugin_dir_url(__FILE__) . '../js/chat-script.js',
		@@ -3362,9 +6042,8 @@
3362	6042	array('jquery'),
3363	6043	$chat_script_version,
3364	6044	true
3365	6045	);
3366		-
3367	6046	// Enqueue the CSS
3368	6047	wp_enqueue_style(
3369	6048	'mxchat-chat-css',
3370	6049	plugin_dir_url(__FILE__) . '../css/chat-style.css',
		@@ -3370,17 +6049,19 @@
3370	6049	plugin_dir_url(__FILE__) . '../css/chat-style.css',
3371	6050	array(),
3372	6051	$chat_style_version
3373	6052	);
3374		-
3375	6053	// Fetch options from the database
3376	6054	$this->options = get_option('mxchat_options');
3377	6055	$prompts_options = get_option('mxchat_prompts_options', array());
3378		-
	6056	+
3379	6057	// Prepare settings for JavaScript
3380	6058	$style_settings = array(
3381	6059	'ajax_url' => admin_url('admin-ajax.php'),
3382	6060	'nonce' => wp_create_nonce('mxchat_chat_nonce'),
	6061	+ 'model' => isset($this->options['model']) ? $this->options['model'] : 'gpt-4o',
	6062	+ 'enable_streaming_toggle' => isset($this->options['enable_streaming_toggle']) ? $this->options['enable_streaming_toggle'] : 'on',
	6063	+ 'contextual_awareness_toggle' => isset($this->options['contextual_awareness_toggle']) ? $this->options['contextual_awareness_toggle'] : 'off',
3383	6064	'link_target_toggle' => $this->options['link_target_toggle'] ?? 'off',
3384	6065	'rate_limit_message' => $this->options['rate_limit_message'] ?? 'Rate limit exceeded. Please try again later.',
3385	6066	'complianz_toggle' => isset($this->options['complianz_toggle']) && $this->options['complianz_toggle'] === 'on',
3386	6067	'user_message_bg_color' => $this->options['user_message_bg_color'] ?? '#fff',
		@@ -3394,10 +6075,9 @@
3394	6075	'chatbot_bg_color' => $this->options['chatbot_bg_color'] ?? '#fff',
3395	6076	'icon_color' => $this->options['icon_color'] ?? '#fff',
3396	6077	'chat_input_font_color' => $this->options['chat_input_font_color'] ?? '#212121',
3397	6078	'chat_persistence_toggle' => $this->options['chat_persistence_toggle'] ?? 'off',
3398		- 'appendWidgetToBody' => $this->options['append_to_body'] ?? 'off', // Example for consistency
3399		-
	6079	+ 'appendWidgetToBody' => $this->options['append_to_body'] ?? 'off',
3400	6080	'live_agent_message_bg_color' => $this->options['live_agent_message_bg_color'] ?? '#ffffff',
3401	6081	'live_agent_message_font_color' => $this->options['live_agent_message_font_color'] ?? '#333333',
3402	6082	'chat_toolbar_toggle' => $this->options['chat_toolbar_toggle'] ?? 'off',
3403	6083	'mode_indicator_bg_color' => $this->options['mode_indicator_bg_color'] ?? '#767676',
		@@ -3402,76 +6082,932 @@
3402	6082	'chat_toolbar_toggle' => $this->options['chat_toolbar_toggle'] ?? 'off',
3403	6083	'mode_indicator_bg_color' => $this->options['mode_indicator_bg_color'] ?? '#767676',
3404	6084	'mode_indicator_font_color' => $this->options['mode_indicator_font_color'] ?? '#ffffff',
3405	6085	'toolbar_icon_color' => $this->options['toolbar_icon_color'] ?? '#212121',
3406		-
3407	6086	'use_pinecone' => $prompts_options['mxchat_use_pinecone'] ?? '0',
	6087	+ 'email_collection_enabled' => $this->options['enable_email_block'] ?? 'off', // FIXED
	6088	+ 'initial_email_state' => null, // Also fixed this undefined variable
	6089	+ 'skip_email_check' => true,
3408	6090	'pinecone_enabled' => isset($prompts_options['mxchat_use_pinecone']) && $prompts_options['mxchat_use_pinecone'] === '1'
3409	6091	);
3410		-
3411	6092	// Pass the settings to the script
3412	6093	wp_localize_script('mxchat-chat-js', 'mxchatChat', $style_settings);
3413	6094	}
3414	6095
3415	6096
	6097	+/**
	6098	+ * Setup the cron jobs for rate limits with guard against multiple calls
	6099	+ */
	6100	+public function setup_rate_limit_cron_jobs() {
	6101	+ // Add a guard to prevent multiple rapid calls
	6102	+ $last_setup = get_transient('mxchat_cron_setup_guard');
	6103	+ if ($last_setup && (time() - $last_setup) < 60) {
	6104	+ // Don't run again if we ran less than 60 seconds ago
	6105	+ return;
	6106	+ }
	6107	+
	6108	+ // Set the guard
	6109	+ set_transient('mxchat_cron_setup_guard', time(), 300); // 5 minutes
	6110	+
	6111	+ try {
	6112	+ // First, check if WordPress cron is disabled
	6113	+ if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
	6114	+ //error_log('MxChat: WordPress cron is disabled (DISABLE_WP_CRON = true), using fallback system');
	6115	+ $this->setup_fallback_rate_limit_system();
	6116	+ return;
	6117	+ }
	6118	+
	6119	+ // Check if cron is already scheduled - if so, don't mess with it
	6120	+ if (wp_next_scheduled('mxchat_reset_rate_limits')) {
	6121	+ //error_log('MxChat: Rate limit cron already scheduled, skipping setup');
	6122	+ return;
	6123	+ }
	6124	+
	6125	+ // Clear any orphaned hooks (but don't loop indefinitely)
	6126	+ $hooks_to_clear = [
	6127	+ 'mxchat_reset_rate_limits',
	6128	+ 'mxchat_reset_hourly_rate_limits',
	6129	+ 'mxchat_reset_daily_rate_limits',
	6130	+ 'mxchat_reset_weekly_rate_limits',
	6131	+ 'mxchat_reset_monthly_rate_limits'
	6132	+ ];
	6133	+
	6134	+ foreach ($hooks_to_clear as $hook) {
	6135	+ // Only clear a maximum of 3 instances to prevent infinite loops
	6136	+ $cleared = 0;
	6137	+ while (wp_next_scheduled($hook) && $cleared < 3) {
	6138	+ wp_clear_scheduled_hook($hook);
	6139	+ $cleared++;
	6140	+ }
	6141	+ }
	6142	+
	6143	+ // Small delay after clearing
	6144	+ usleep(100000); // 0.1 seconds
	6145	+
	6146	+ // Try to schedule the event
	6147	+ $initial_time = time() + 300; // Start in 5 minutes
	6148	+ $result = wp_schedule_event($initial_time, 'hourly', 'mxchat_reset_rate_limits');
	6149	+
	6150	+ if ($result === false) {
	6151	+ //error_log('MxChat: Failed to schedule cron, using fallback system');
	6152	+ $this->setup_fallback_rate_limit_system();
	6153	+ } else {
	6154	+ //error_log('MxChat: Successfully scheduled rate limit reset cron');
	6155	+ }
	6156	+
	6157	+ } catch (Exception $e) {
	6158	+ //error_log('MxChat: Cron setup exception: ' . $e->getMessage());
	6159	+ $this->setup_fallback_rate_limit_system();
	6160	+ }
	6161	+}
	6162	+
	6163	+/**
	6164	+ * Try alternative cron scheduling methods
	6165	+ */
	6166	+private function try_alternative_cron_scheduling($initial_time) {
	6167	+ try {
	6168	+ // Method 1: Try with current time instead of future time
	6169	+ $result1 = wp_schedule_event(time(), 'hourly', 'mxchat_reset_rate_limits');
	6170	+ if ($result1 !== false) {
	6171	+ //error_log('MxChat: Alternative method 1 (current time) succeeded');
	6172	+ return true;
	6173	+ }
	6174	+
	6175	+ // Method 2: Try with a different interval
	6176	+ $result2 = wp_schedule_event($initial_time, 'daily', 'mxchat_reset_rate_limits');
	6177	+ if ($result2 !== false) {
	6178	+ //error_log('MxChat: Alternative method 2 (daily interval) succeeded');
	6179	+ return true;
	6180	+ }
	6181	+
	6182	+ // Method 3: Try wp_schedule_single_event first, then recurring
	6183	+ $result3 = wp_schedule_single_event($initial_time, 'mxchat_reset_rate_limits');
	6184	+ if ($result3 !== false) {
	6185	+ //error_log('MxChat: Alternative method 3 (single event) succeeded');
	6186	+ // Schedule the next one manually in the handler
	6187	+ return true;
	6188	+ }
	6189	+
	6190	+ return false;
	6191	+
	6192	+ } catch (Exception $e) {
	6193	+ //error_log('MxChat: Alternative cron scheduling exception: ' . $e->getMessage());
	6194	+ return false;
	6195	+ }
	6196	+}
	6197	+
	6198	+/**
	6199	+ * Enhanced fallback rate limit system
	6200	+ */
	6201	+private function setup_fallback_rate_limit_system() {
	6202	+ // Set a flag to use database-based rate limit cleanup
	6203	+ update_option('mxchat_use_fallback_rate_limits', true);
	6204	+
	6205	+ // Schedule a one-time check to happen on the next plugin load
	6206	+ update_option('mxchat_next_rate_limit_check', time() + 3600);
	6207	+
	6208	+ // Also set up a more frequent fallback check (every 4 hours)
	6209	+ update_option('mxchat_fallback_check_interval', 4 * 3600);
	6210	+
	6211	+ //error_log('MxChat: Fallback rate limit system activated');
	6212	+}
	6213	+
	6214	+/**
	6215	+ * Enhanced fallback check method
	6216	+ */
	6217	+public function check_fallback_rate_limits() {
	6218	+ $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
	6219	+
	6220	+ if (!$use_fallback) {
	6221	+ return; // Regular cron is working
	6222	+ }
	6223	+
	6224	+ $next_check = get_option('mxchat_next_rate_limit_check', 0);
	6225	+ $check_interval = get_option('mxchat_fallback_check_interval', 3600);
	6226	+
	6227	+ if (time() >= $next_check) {
	6228	+ //error_log('MxChat: Running fallback rate limit cleanup');
	6229	+ $this->mxchat_reset_rate_limits();
	6230	+
	6231	+ // Schedule next check
	6232	+ update_option('mxchat_next_rate_limit_check', time() + $check_interval);
	6233	+ }
	6234	+}
	6235	+/**
	6236	+ * Enhanced rate limit check that includes fallback cleanup
	6237	+ */
	6238	+public function check_rate_limit() {
	6239	+ // Check if we need to run fallback cleanup
	6240	+ $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
	6241	+ $next_check = get_option('mxchat_next_rate_limit_check', 0);
	6242	+
	6243	+ if ($use_fallback && time() >= $next_check) {
	6244	+ $this->mxchat_reset_rate_limits();
	6245	+ update_option('mxchat_next_rate_limit_check', time() + 3600); // Next hour
	6246	+ }
	6247	+
	6248	+ // Continue with your existing rate limit logic...
	6249	+ $all_options = get_option('mxchat_options', []);
	6250	+
	6251	+ // Determine user role or if logged out
	6252	+ if (is_user_logged_in()) {
	6253	+ $user = wp_get_current_user();
	6254	+ $user_id = $user->ID;
	6255	+
	6256	+ // Get the user's primary role using reset() to safely get the first element
	6257	+ $user_roles = $user->roles;
	6258	+
	6259	+ // Safely get the first role regardless of array key structure
	6260	+ if (!empty($user_roles) && is_array($user_roles)) {
	6261	+ $role = reset($user_roles); // This safely gets the first element regardless of key
	6262	+ } else {
	6263	+ $role = 'subscriber'; // Default to subscriber if no role found
	6264	+ }
	6265	+ } else {
	6266	+ $role = 'logged_out';
	6267	+ // Use IP address for non-logged-in users
	6268	+ $user_id = $this->get_client_ip();
	6269	+ }
	6270	+
	6271	+ // Check if rate limits are configured for this role
	6272	+ if (!isset($all_options['rate_limits'][$role])) {
	6273	+ return true; // No limit set for this role
	6274	+ }
	6275	+
	6276	+ $limit = $all_options['rate_limits'][$role]['limit'];
	6277	+
	6278	+ // If unlimited, return true immediately
	6279	+ if ($limit === 'unlimited') {
	6280	+ return true;
	6281	+ }
	6282	+
	6283	+ // Get the option name for this user/role with safer naming
	6284	+ $safe_role = preg_replace('/[^a-zA-Z0-9_]/', '_', $role);
	6285	+ $safe_user_id = preg_replace('/[^a-zA-Z0-9_]/', '_', $user_id);
	6286	+ $option_name = 'mxchat_chat_limit_' . $safe_role . '_' . $safe_user_id;
	6287	+
	6288	+ // Get the counter data
	6289	+ $limit_data = get_option($option_name, ['count' => 0, 'timestamp' => time()]);
	6290	+
	6291	+ // If first request or counter reset needed, set the initial timestamp
	6292	+ if ($limit_data['count'] === 0) {
	6293	+ $limit_data['timestamp'] = time();
	6294	+ update_option($option_name, $limit_data);
	6295	+ }
	6296	+
	6297	+ // Get the timeframe
	6298	+ $timeframe = isset($all_options['rate_limits'][$role]['timeframe']) ?
	6299	+ $all_options['rate_limits'][$role]['timeframe'] : 'daily';
	6300	+
	6301	+ // Check if the counter needs to be reset based on timeframe
	6302	+ $current_time = time();
	6303	+ $timestamp = $limit_data['timestamp'];
	6304	+ $should_reset = false;
	6305	+
	6306	+ switch ($timeframe) {
	6307	+ case 'hourly':
	6308	+ $should_reset = ($current_time - $timestamp) >= 3600; // 1 hour
	6309	+ break;
	6310	+ case 'daily':
	6311	+ $should_reset = ($current_time - $timestamp) >= 86400; // 24 hours
	6312	+ break;
	6313	+ case 'weekly':
	6314	+ $should_reset = ($current_time - $timestamp) >= 604800; // 7 days
	6315	+ break;
	6316	+ case 'monthly':
	6317	+ $should_reset = ($current_time - $timestamp) >= 2592000; // 30 days
	6318	+ break;
	6319	+ }
	6320	+
	6321	+ // Reset the counter if the timeframe has passed
	6322	+ if ($should_reset) {
	6323	+ $limit_data = ['count' => 0, 'timestamp' => $current_time];
	6324	+ update_option($option_name, $limit_data);
	6325	+ }
	6326	+
	6327	+ // Check if user has exceeded their limit
	6328	+ if ($limit_data['count'] >= intval($limit)) {
	6329	+ // Get the custom message for this role
	6330	+ $message = !empty($all_options['rate_limits'][$role]['message'])
	6331	+ ? $all_options['rate_limits'][$role]['message']
	6332	+ : __('Rate limit exceeded. Please try again later.', 'mxchat');
	6333	+
	6334	+ // Add timeframe information to the message if placeholders exist
	6335	+ $timeframe_label = '';
	6336	+ switch ($timeframe) {
	6337	+ case 'hourly':
	6338	+ $timeframe_label = __('hour', 'mxchat');
	6339	+ break;
	6340	+ case 'daily':
	6341	+ $timeframe_label = __('day', 'mxchat');
	6342	+ break;
	6343	+ case 'weekly':
	6344	+ $timeframe_label = __('week', 'mxchat');
	6345	+ break;
	6346	+ case 'monthly':
	6347	+ $timeframe_label = __('month', 'mxchat');
	6348	+ break;
	6349	+ }
	6350	+
	6351	+ // Replace placeholders in the message
	6352	+ $message = str_replace(
	6353	+ ['{limit}', '{count}', '{remaining}', '{timeframe}'],
	6354	+ [intval($limit), $limit_data['count'], max(0, intval($limit) - $limit_data['count']), $timeframe_label],
	6355	+ $message
	6356	+ );
	6357	+
	6358	+ // Process HTML links in the message
	6359	+ $message = $this->process_rate_limit_message_html($message);
	6360	+
	6361	+ // Return error with the processed message
	6362	+ return [
	6363	+ 'error' => true,
	6364	+ 'message' => $message
	6365	+ ];
	6366	+ }
	6367	+
	6368	+ // Increment the counter
	6369	+ $limit_data['count']++;
	6370	+ update_option($option_name, $limit_data);
	6371	+
	6372	+ return true;
	6373	+}
	6374	+
	6375	+/**
	6376	+ * Enhanced rate limit reset with better error handling
	6377	+ */
3416	6378	public function mxchat_reset_rate_limits() {
	6379	+ try {
3417	6380	global $wpdb;
	6381	+ $all_options = get_option('mxchat_options', []);
	6382	+ $current_time = time();
	6383	+
	6384	+ // Get rate limit options with a safer query and limit
	6385	+ $option_names = $wpdb->get_col(
	6386	+ $wpdb->prepare(
	6387	+ "SELECT option_name FROM {$wpdb->options}
	6388	+ WHERE option_name LIKE %s
	6389	+ LIMIT 1000",
	6390	+ 'mxchat_chat_limit_%'
	6391	+ )
	6392	+ );
	6393	+
	6394	+ if (empty($option_names)) {
	6395	+ return;
	6396	+ }
	6397	+
	6398	+ $processed_count = 0;
	6399	+ $max_processing_time = 30; // Maximum 30 seconds
	6400	+ $start_time = time();
	6401	+
	6402	+ foreach ($option_names as $option_name) {
	6403	+ // Check processing time limit
	6404	+ if ((time() - $start_time) > $max_processing_time) {
	6405	+ //error_log('MxChat: Rate limit reset timeout after processing ' . $processed_count . ' entries');
	6406	+ break;
	6407	+ }
	6408	+
	6409	+ // Parse the option name more safely
	6410	+ if (!preg_match('/^mxchat_chat_limit_(.+)_(.+)$/', $option_name, $matches)) {
	6411	+ continue;
	6412	+ }
	6413	+
	6414	+ $role_and_user = $matches[1] . '_' . $matches[2];
	6415	+ $parts = explode('_', $role_and_user);
	6416	+
	6417	+ if (count($parts) < 2) {
	6418	+ continue;
	6419	+ }
	6420	+
	6421	+ // Extract role (everything except the last part which is user ID)
	6422	+ $user_id_part = array_pop($parts);
	6423	+ $role = implode('_', $parts);
	6424	+
	6425	+ // Skip if role doesn't exist in our settings
	6426	+ if (!isset($all_options['rate_limits'][$role])) {
	6427	+ // Clean up orphaned entries
	6428	+ delete_option($option_name);
	6429	+ continue;
	6430	+ }
	6431	+
	6432	+ $timeframe = $all_options['rate_limits'][$role]['timeframe'] ?? 'daily';
	6433	+ $limit_data = get_option($option_name);
	6434	+
	6435	+ if (!$limit_data || !is_array($limit_data) || !isset($limit_data['timestamp'])) {
	6436	+ // Clean up invalid entries
	6437	+ delete_option($option_name);
	6438	+ continue;
	6439	+ }
	6440	+
	6441	+ $timestamp = $limit_data['timestamp'];
	6442	+ $should_reset = false;
	6443	+
	6444	+ // Determine if we should reset based on the timeframe
	6445	+ switch ($timeframe) {
	6446	+ case 'hourly':
	6447	+ $should_reset = ($current_time - $timestamp) >= 3600;
	6448	+ break;
	6449	+ case 'daily':
	6450	+ $should_reset = ($current_time - $timestamp) >= 86400;
	6451	+ break;
	6452	+ case 'weekly':
	6453	+ $should_reset = ($current_time - $timestamp) >= 604800;
	6454	+ break;
	6455	+ case 'monthly':
	6456	+ $should_reset = ($current_time - $timestamp) >= 2592000;
	6457	+ break;
	6458	+ }
	6459	+
	6460	+ // Reset the counter if the timeframe has passed
	6461	+ if ($should_reset) {
	6462	+ delete_option($option_name);
	6463	+ wp_cache_delete($option_name, 'options');
	6464	+ $processed_count++;
	6465	+ }
	6466	+ }
	6467	+
	6468	+ // Clean up any orphaned cache entries
	6469	+ wp_cache_delete('mxchat_all_chat_limits', 'options');
	6470	+
	6471	+ //error_log("MxChat: Rate limit reset completed. Processed {$processed_count} entries.");
	6472	+
	6473	+ } catch (Exception $e) {
	6474	+ //error_log('MxChat: Rate limit reset error: ' . $e->getMessage());
	6475	+ }
	6476	+}
3418	6477
3419		- // Define a cache key pattern for rate limits
3420		- $cache_key_pattern = 'mxchat_chat_limit_%';
3421	6478
3422		- // Retrieve all option names matching the pattern
3423		- // phpcs:ignore WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.DirectQuery
3424		- $option_names = $wpdb->get_col("SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE 'mxchat_chat_limit_%'");
	6479	+/**
	6480	+ * Process HTML links in rate limit messages
	6481	+ *
	6482	+ * @param string $message The rate limit message
	6483	+ * @return string The processed message with safe HTML links
	6484	+ */
	6485	+private function process_rate_limit_message_html($message) {
	6486	+ // Return original message if empty
	6487	+ if (empty($message)) {
	6488	+ return $message;
	6489	+ }
	6490	+
	6491	+ // First, convert markdown links to HTML
	6492	+ $message = $this->convert_markdown_links($message);
	6493	+
	6494	+ // Then, auto-convert any remaining plain URLs to links
	6495	+ $message = $this->auto_link_urls($message);
	6496	+
	6497	+ // Allow basic HTML tags for links and formatting
	6498	+ $allowed_tags = [
	6499	+ 'a' => [
	6500	+ 'href' => true,
	6501	+ 'target' => true,
	6502	+ 'rel' => true,
	6503	+ 'title' => true,
	6504	+ 'class' => true
	6505	+ ],
	6506	+ 'strong' => [],
	6507	+ 'em' => [],
	6508	+ 'br' => [],
	6509	+ 'b' => [],
	6510	+ 'i' => [],
	6511	+ 'span' => ['class' => true]
	6512	+ ];
	6513	+
	6514	+ // Sanitize but allow the specified HTML tags
	6515	+ $processed_message = wp_kses($message, $allowed_tags);
	6516	+
	6517	+ // If wp_kses stripped everything, return the original message as plain text
	6518	+ if (empty($processed_message) && !empty($message)) {
	6519	+ // Strip all HTML and return plain text as fallback
	6520	+ return wp_strip_all_tags($message);
	6521	+ }
	6522	+
	6523	+ return $processed_message;
	6524	+}
3425	6525
3426		- // db call ok; no-cache ok
3427		- // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery -- db call ok
3428		- $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE 'mxchat_chat_limit_%'");
	6526	+/**
	6527	+ * Convert markdown links to HTML
	6528	+ *
	6529	+ * @param string $text The text to process
	6530	+ * @return string The text with markdown links converted to HTML
	6531	+ */
	6532	+private function convert_markdown_links($text) {
	6533	+ // Return original text if empty
	6534	+ if (empty($text)) {
	6535	+ return $text;
	6536	+ }
	6537	+
	6538	+ // Pattern to match markdown links: [text](url)
	6539	+ $pattern = '/\[([^\]]+)\]\(([^)]+)\)/';
	6540	+
	6541	+ $processed_text = preg_replace_callback($pattern, function($matches) {
	6542	+ $link_text = $matches[1];
	6543	+ $url = $matches[2];
	6544	+
	6545	+ // Clean up any trailing punctuation from the URL
	6546	+ $url = rtrim($url, '.,;:!?');
	6547	+
	6548	+ // Sanitize the link text and URL
	6549	+ $safe_text = esc_html($link_text);
	6550	+ $safe_url = esc_url($url);
	6551	+
	6552	+ // Create the HTML link
	6553	+ return '<a href="' . $safe_url . '" target="_blank" rel="noopener noreferrer">' . $safe_text . '</a>';
	6554	+ }, $text);
	6555	+
	6556	+ // If preg_replace_callback failed, return original text
	6557	+ if ($processed_text === null) {
	6558	+ return $text;
	6559	+ }
	6560	+
	6561	+ return $processed_text;
	6562	+}
3429	6563
3430		- // Clear the relevant cache entries
3431		- foreach ($option_names as $option_name) {
3432		- wp_cache_delete($option_name, 'options');
3433		- }
	6564	+/**
	6565	+ * Auto-convert plain URLs to clickable links
	6566	+ *
	6567	+ * @param string $text The text to process
	6568	+ * @return string The text with URLs converted to links
	6569	+ */
	6570	+private function auto_link_urls($text) {
	6571	+ // Return original text if empty
	6572	+ if (empty($text)) {
	6573	+ return $text;
	6574	+ }
	6575	+
	6576	+ // Simple pattern that avoids complex lookbehinds
	6577	+ // This will match URLs that are not already inside href attributes or markdown links
	6578	+ $pattern = '/(?<!href=["\'])(?<!\]\()https?:\/\/[^\s<>"\')\]]+/i';
	6579	+
	6580	+ $processed_text = preg_replace_callback($pattern, function($matches) {
	6581	+ $url = $matches[0];
	6582	+ // Clean up any trailing punctuation that might have been captured
	6583	+ $url = rtrim($url, '.,;:!?');
	6584	+
	6585	+ // Add target="_blank" and rel="noopener noreferrer" for security
	6586	+ return '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($url) . '</a>';
	6587	+ }, $text);
	6588	+
	6589	+ // If preg_replace_callback failed, return original text
	6590	+ if ($processed_text === null) {
	6591	+ return $text;
	6592	+ }
	6593	+
	6594	+ return $processed_text;
	6595	+}
3434	6596
3435		- // Optionally, clear a general cache if you have one
3436		- wp_cache_delete('mxchat_all_chat_limits', 'options');
	6597	+
	6598	+// Helper function to get client IP address
	6599	+private function get_client_ip() {
	6600	+ // Check for shared internet/ISP IP
	6601	+ if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
	6602	+ return sanitize_text_field($_SERVER['HTTP_CLIENT_IP']);
3437	6603	}
	6604	+
	6605	+ // Check for IPs passing through proxies
	6606	+ if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
	6607	+ // Use the first value in the comma-separated list
	6608	+ $forwarded_for = explode(',', sanitize_text_field($_SERVER['HTTP_X_FORWARDED_FOR']));
	6609	+ return trim($forwarded_for[0]);
	6610	+ }
	6611	+
	6612	+ if (!empty($_SERVER['REMOTE_ADDR'])) {
	6613	+ return sanitize_text_field($_SERVER['REMOTE_ADDR']);
	6614	+ }
	6615	+
	6616	+ // Fallback
	6617	+ return 'unknown';
	6618	+}
3438	6619
3439		-private function mxchat_fetch_woocommerce_products() {
3440		- // Ensure WooCommerce is active
3441		- if (!class_exists('WooCommerce')) {
3442		- return [];
	6620	+/**
	6621	+ * AJAX handler to get system information for testing panel
	6622	+ */
	6623	+public function mxchat_get_system_info() {
	6624	+ // Verify nonce for security
	6625	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6626	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6627	+ return;
3443	6628	}
	6629	+
	6630	+ // Only allow admin users
	6631	+ if (!current_user_can('administrator')) {
	6632	+ wp_send_json_error(['message' => 'Unauthorized']);
	6633	+ return;
	6634	+ }
	6635	+
	6636	+ // Get system prompt from options
	6637	+ $system_prompt = isset($this->options['system_prompt_instructions'])
	6638	+ ? $this->options['system_prompt_instructions']
	6639	+ : 'No system prompt configured';
	6640	+
	6641	+ // Get selected model
	6642	+ $selected_model = isset($this->options['model']) ? $this->options['model'] : 'gpt-4o';
	6643	+
	6644	+ // Get API key status (just check if they exist, don't expose the keys)
	6645	+ $api_status = [];
	6646	+ $api_status['openai'] = !empty($this->options['api_key']);
	6647	+ $api_status['claude'] = !empty($this->options['claude_api_key']);
	6648	+ $api_status['gemini'] = !empty($this->options['gemini_api_key']);
	6649	+ $api_status['xai'] = !empty($this->options['xai_api_key']);
	6650	+ $api_status['deepseek'] = !empty($this->options['deepseek_api_key']);
	6651	+
	6652	+ wp_send_json_success([
	6653	+ 'system_prompt' => $system_prompt,
	6654	+ 'selected_model' => $selected_model,
	6655	+ 'api_status' => $api_status
	6656	+ ]);
	6657	+}
3444	6658
3445		- $args = array(
3446		- 'post_type' => 'product',
3447		- 'post_status' => 'publish',
3448		- 'posts_per_page' => -1,
	6659	+/**
	6660	+ * AJAX handler to get similarity threshold
	6661	+ */
	6662	+public function mxchat_get_similarity_threshold() {
	6663	+ // Verify nonce for security
	6664	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6665	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6666	+ return;
	6667	+ }
	6668	+
	6669	+ // Only allow admin users
	6670	+ if (!current_user_can('administrator')) {
	6671	+ wp_send_json_error(['message' => 'Unauthorized']);
	6672	+ return;
	6673	+ }
	6674	+
	6675	+ // Get similarity threshold from main options (default 75%)
	6676	+ $similarity_threshold = isset($this->options['similarity_threshold'])
	6677	+ ? ((int) $this->options['similarity_threshold']) / 100
	6678	+ : 0.75;
	6679	+
	6680	+ wp_send_json_success([
	6681	+ 'threshold' => $similarity_threshold,
	6682	+ 'threshold_percentage' => ($similarity_threshold * 100) . '%'
	6683	+ ]);
	6684	+}
	6685	+
	6686	+/**
	6687	+ * AJAX handler to get knowledge base status
	6688	+ */
	6689	+public function mxchat_get_kb_status() {
	6690	+ // Verify nonce for security
	6691	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6692	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6693	+ return;
	6694	+ }
	6695	+
	6696	+ // Only allow admin users
	6697	+ if (!current_user_can('administrator')) {
	6698	+ wp_send_json_error(['message' => 'Unauthorized']);
	6699	+ return;
	6700	+ }
	6701	+
	6702	+ // Check Pinecone vs WordPress
	6703	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	6704	+ $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1');
	6705	+
	6706	+ $kb_info = [
	6707	+ 'type' => $use_pinecone ? 'Pinecone' : 'WordPress Database',
	6708	+ 'status' => 'Active'
	6709	+ ];
	6710	+
	6711	+ // Get document count
	6712	+ if ($use_pinecone) {
	6713	+ $kb_info['documents'] = 'Connected to Pinecone';
	6714	+ $kb_info['api_configured'] = !empty($addon_options['mxchat_pinecone_api_key']);
	6715	+ } else {
	6716	+ // Count documents in WordPress database
	6717	+ global $wpdb;
	6718	+ $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
	6719	+ $count = $wpdb->get_var("SELECT COUNT(*) FROM {$table_name}");
	6720	+ $kb_info['documents'] = $count ? $count . ' documents' : 'No documents';
	6721	+ }
	6722	+
	6723	+ wp_send_json_success($kb_info);
	6724	+}
	6725	+
	6726	+/**
	6727	+ * AJAX handler to start a completely fresh session (NEW - replaces old clear session)
	6728	+ */
	6729	+public function mxchat_start_fresh_session() {
	6730	+ // Verify nonce for security
	6731	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6732	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6733	+ return;
	6734	+ }
	6735	+
	6736	+ // Only allow admin users
	6737	+ if (!current_user_can('administrator')) {
	6738	+ wp_send_json_error(['message' => 'Unauthorized']);
	6739	+ return;
	6740	+ }
	6741	+
	6742	+ $old_session_id = isset($_POST['old_session_id']) ? sanitize_text_field($_POST['old_session_id']) : '';
	6743	+ $new_session_id = isset($_POST['new_session_id']) ? sanitize_text_field($_POST['new_session_id']) : '';
	6744	+
	6745	+ if (empty($old_session_id)) {
	6746	+ wp_send_json_error(['message' => 'Old session ID required']);
	6747	+ return;
	6748	+ }
	6749	+
	6750	+ // If no new session ID provided, generate one
	6751	+ if (empty($new_session_id)) {
	6752	+ $new_session_id = 'mxchat_chat_' . substr(md5(uniqid()), 0, 9);
	6753	+ }
	6754	+
	6755	+ // Clear ALL data associated with the old session
	6756	+ $this->clear_complete_session_data($old_session_id);
	6757	+
	6758	+ // Initialize the new session
	6759	+ $this->initialize_fresh_session($new_session_id);
	6760	+
	6761	+ wp_send_json_success([
	6762	+ 'message' => 'Fresh session started successfully',
	6763	+ 'new_session_id' => $new_session_id,
	6764	+ 'old_session_id' => $old_session_id
	6765	+ ]);
	6766	+}
	6767	+
	6768	+/**
	6769	+ * Clear ALL data associated with a session (ENHANCED)
	6770	+ */
	6771	+private function clear_complete_session_data($session_id) {
	6772	+ // Clear chat history
	6773	+ delete_option("mxchat_history_{$session_id}");
	6774	+
	6775	+ // Clear chat mode
	6776	+ delete_option("mxchat_mode_{$session_id}");
	6777	+
	6778	+ // Clear any PDF/Word transients
	6779	+ $this->clear_pdf_transients($session_id);
	6780	+ if (method_exists($this, 'clear_word_transients')) {
	6781	+ $this->clear_word_transients($session_id);
	6782	+ }
	6783	+
	6784	+ // Clear agent-related data
	6785	+ delete_option("mxchat_channel_{$session_id}");
	6786	+ delete_option("mxchat_agent_name_{$session_id}");
	6787	+ delete_option("mxchat_email_{$session_id}");
	6788	+
	6789	+ // Clear any recommendation flow state
	6790	+ delete_option("mxchat_sr_flow_state_{$session_id}");
	6791	+
	6792	+ // Clear any cached embeddings or context
	6793	+ delete_transient("mxchat_context_{$session_id}");
	6794	+ delete_transient("mxchat_last_query_{$session_id}");
	6795	+
	6796	+ // Clear any testing data
	6797	+ delete_transient("mxchat_testing_data_{$session_id}");
	6798	+
	6799	+ // Clear any rate limiting data for this session
	6800	+ delete_transient("mxchat_rate_limit_{$session_id}");
	6801	+
	6802	+ // Clear any other session-specific transients
	6803	+ delete_transient("mxchat_waiting_for_pdf_url_{$session_id}");
	6804	+ delete_transient("mxchat_include_pdf_in_context_{$session_id}");
	6805	+ delete_transient("mxchat_include_word_in_context_{$session_id}");
	6806	+
	6807	+ //error_log("MxChat: Cleared all data for session: {$session_id}");
	6808	+}
	6809	+
	6810	+/**
	6811	+ * Initialize a fresh session with default data
	6812	+ */
	6813	+private function initialize_fresh_session($session_id) {
	6814	+ // Set default chat mode
	6815	+ update_option("mxchat_mode_{$session_id}", 'ai');
	6816	+
	6817	+ //error_log("MxChat: Initialized fresh session: {$session_id}");
	6818	+}
	6819	+
	6820	+/**
	6821	+ * Helper method to clear Word document transients (if you have Word support)
	6822	+ */
	6823	+private function clear_word_transients($session_id) {
	6824	+ delete_transient('mxchat_word_url_' . $session_id);
	6825	+ delete_transient('mxchat_word_filename_' . $session_id);
	6826	+ delete_transient('mxchat_word_embeddings_' . $session_id);
	6827	+ delete_transient('mxchat_include_word_in_context_' . $session_id);
	6828	+}
	6829	+
	6830	+/**
	6831	+ * Simplified testing data capture method (CLEANED UP)
	6832	+ */
	6833	+private function capture_testing_data($user_embedding, $message, $session_id) {
	6834	+ // Only capture for admin users
	6835	+ if (!current_user_can('administrator')) {
	6836	+ return null;
	6837	+ }
	6838	+
	6839	+ $testing_data = [
	6840	+ 'query' => $message,
	6841	+ 'timestamp' => time(),
	6842	+ 'top_matches' => [],
	6843	+ 'action_matches' => [] // NEW: Add action matches
	6844	+ ];
	6845	+
	6846	+ // Get similarity threshold
	6847	+ $similarity_threshold = isset($this->options['similarity_threshold'])
	6848	+ ? ((int) $this->options['similarity_threshold']) / 100
	6849	+ : 0.75;
	6850	+
	6851	+ $testing_data['similarity_threshold'] = $similarity_threshold;
	6852	+
	6853	+ // Use the real similarity analysis if available
	6854	+ if ($this->last_similarity_analysis !== null) {
	6855	+ $testing_data['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'];
	6856	+ $testing_data['top_matches'] = $this->last_similarity_analysis['top_matches'];
	6857	+ $testing_data['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0;
	6858	+ } else {
	6859	+ // Fallback: determine knowledge base type
	6860	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	6861	+ $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1');
	6862	+
	6863	+ $testing_data['knowledge_base_type'] = $use_pinecone ? 'Pinecone' : 'WordPress Database';
	6864	+ }
	6865	+
	6866	+ // NEW: Include action analysis if available
	6867	+ if (isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	6868	+ $testing_data['action_matches'] = $this->last_action_analysis;
	6869	+
	6870	+ // Clear it after capturing to avoid stale data
	6871	+ $this->last_action_analysis = null;
	6872	+ }
	6873	+
	6874	+ return $testing_data;
	6875	+}
	6876	+
	6877	+
	6878	+/**
	6879	+ * NEW: Track URL clicks from chatbot responses
	6880	+ */
	6881	+public function mxchat_track_url_click() {
	6882	+ // Verify nonce for security
	6883	+ if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
	6884	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6885	+ wp_die();
	6886	+ }
	6887	+
	6888	+ $session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
	6889	+ $clicked_url = isset($_POST['url']) ? esc_url_raw($_POST['url']) : '';
	6890	+ $message_context = isset($_POST['message_context']) ? sanitize_textarea_field($_POST['message_context']) : '';
	6891	+
	6892	+ if (empty($session_id) || empty($clicked_url)) {
	6893	+ wp_send_json_error(['message' => 'Missing required data']);
	6894	+ wp_die();
	6895	+ }
	6896	+
	6897	+ global $wpdb;
	6898	+ $table_name = $wpdb->prefix . 'mxchat_url_clicks';
	6899	+
	6900	+ // Insert click tracking record
	6901	+ $wpdb->insert(
	6902	+ $table_name,
	6903	+ [
	6904	+ 'session_id' => $session_id,
	6905	+ 'clicked_url' => $clicked_url,
	6906	+ 'message_context' => $message_context,
	6907	+ 'click_timestamp' => current_time('mysql', 1),
	6908	+ 'user_ip' => $_SERVER['REMOTE_ADDR'],
	6909	+ 'user_agent' => $_SERVER['HTTP_USER_AGENT']
	6910	+ ]
3449	6911	);
	6912	+
	6913	+ wp_send_json_success(['message' => 'Click tracked']);
	6914	+ wp_die();
	6915	+}
3450	6916
3451		- $products = get_posts($args);
3452		- $product_data = [];
	6917	+/**
	6918	+ * NEW: Get URL click analytics for a session
	6919	+ */
	6920	+public function mxchat_get_url_clicks($session_id) {
	6921	+ global $wpdb;
	6922	+ $table_name = $wpdb->prefix . 'mxchat_url_clicks';
	6923	+
	6924	+ $clicks = $wpdb->get_results($wpdb->prepare(
	6925	+ "SELECT * FROM $table_name WHERE session_id = %s ORDER BY click_timestamp ASC",
	6926	+ $session_id
	6927	+ ));
	6928	+
	6929	+ return $clicks;
	6930	+}
	6931	+/**
	6932	+ * NEW: Track the originating page where chat was started
	6933	+ */
	6934	+public function mxchat_track_originating_page() {
	6935	+ // Verify nonce
	6936	+ if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
	6937	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6938	+ wp_die();
	6939	+ }
	6940	+
	6941	+ $session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
	6942	+ $page_url = isset($_POST['page_url']) ? esc_url_raw($_POST['page_url']) : '';
	6943	+ $page_title = isset($_POST['page_title']) ? sanitize_text_field($_POST['page_title']) : '';
	6944	+
	6945	+ if (empty($session_id)) {
	6946	+ wp_send_json_error(['message' => 'Missing session ID']);
	6947	+ wp_die();
	6948	+ }
	6949	+
	6950	+ global $wpdb;
	6951	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
	6952	+
	6953	+ // Check if we've already tracked for this session
	6954	+ $existing = $wpdb->get_var($wpdb->prepare(
	6955	+ "SELECT COUNT(*) FROM $table_name
	6956	+ WHERE session_id = %s
	6957	+ AND originating_page_url IS NOT NULL",
	6958	+ $session_id
	6959	+ ));
	6960	+
	6961	+ if ($existing > 0) {
	6962	+ wp_send_json_success(['message' => 'Already tracked']);
	6963	+ wp_die();
	6964	+ }
	6965	+
	6966	+ // Update the first message in this session with originating page info
	6967	+ $wpdb->query($wpdb->prepare(
	6968	+ "UPDATE $table_name
	6969	+ SET originating_page_url = %s,
	6970	+ originating_page_title = %s
	6971	+ WHERE session_id = %s
	6972	+ ORDER BY timestamp ASC
	6973	+ LIMIT 1",
	6974	+ $page_url,
	6975	+ $page_title,
	6976	+ $session_id
	6977	+ ));
	6978	+
	6979	+ wp_send_json_success(['message' => 'Originating page tracked']);
	6980	+ wp_die();
	6981	+}
3453	6982
3454		- foreach ($products as $product) {
3455		- $product_id = $product->ID;
3456		- $product_obj = wc_get_product($product_id);
3457	6983
3458		- $product_data[] = array(
3459		- 'id' => $product_id,
3460		- 'name' => $product_obj->get_name(),
3461		- 'description' => $product_obj->get_description(),
3462		- 'short_description' => $product_obj->get_short_description(),
3463		- 'url' => get_permalink($product_id),
3464		- 'price' => $product_obj->get_regular_price(),
3465		- 'sale_price' => $product_obj->get_sale_price(),
3466		- 'stock_status' => $product_obj->get_stock_status(),
3467		- 'sku' => $product_obj->get_sku(),
3468		- 'in_stock' => $product_obj->is_in_stock(),
3469		- 'total_sales' => $product_obj->get_total_sales(),
3470		- );
	6984	+/**
	6985	+ * AJAX handler to get current chat mode for a session
	6986	+ */
	6987	+public function mxchat_get_current_chat_mode() {
	6988	+ // Verify nonce for security
	6989	+ if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
	6990	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6991	+ wp_die();
3471	6992	}
	6993	+
	6994	+ $session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
	6995	+
	6996	+ if (empty($session_id)) {
	6997	+ wp_send_json_error(['message' => 'Session ID missing']);
	6998	+ wp_die();
	6999	+ }
	7000	+
	7001	+ // Get the current chat mode for this session
	7002	+ $chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
	7003	+
	7004	+ wp_send_json_success([
	7005	+ 'chat_mode' => $chat_mode
	7006	+ ]);
	7007	+ wp_die();
	7008	+}
3472	7009
3473		- return $product_data;
3474		-}
	7010	+
3475	7011
3476	7012	}
3477	7013	?>