← All changes | includes/class-mxchat-integrator.php +4851 -1336 2.0.5 → 2.3.9 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($this, 'mxchat_handle_word_remove'));
		@@ -57,15 +57,45 @@
57	57	add_action('wp_ajax_mxchat_remove_word', array($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($this, 'mxchat_track_originating_page'));
	81	+
	82	+
	83	+ add_filter('mxchat_check_actions_only', array($this, 'check_actions_for_addons'), 10, 4);
	84	+
	85	+
66	86	}
67	87
	88	+// In your core plugin's check_actions_for_addons method:
	89	+public function check_actions_for_addons($default, $message, $user_id, $session_id) {
	90	+ //error_log('MxChat Core: check_actions_for_addons called with message: ' . $message);
	91	+
	92	+ $result = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
	93	+
	94	+ //error_log('MxChat Core: Intent check result = ' . ($result === false ? 'false' : 'true'));
	95	+
	96	+ return $result;
	97	+}
68	98
69	99	private function mxchat_increment_chat_count() {
70	100	$chat_count = get_option('mxchat_chat_count', 0);
71	101	$chat_count++;
		@@ -96,24 +126,9 @@
96	126	'chat_mode' => $chat_mode
97	127	]);
98	128	wp_die();
99	129	}
100		-private function mxchat_fetch_conversation_history_for_ajax($session_id) {
101		- $history = get_option("mxchat_history_{$session_id}", []); // Retrieve stored history based on session ID
102		- $formatted_history = [];
103	130
104		- // Format the history to align with the expected structure for OpenAI
105		- foreach ($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 $formatted_history;
113		-}
114		-
115		-
116	131	private function mxchat_fetch_conversation_history_for_ai($session_id) {
117	132	$history = get_option("mxchat_history_{$session_id}", []);
118	133	$formatted_history = [];
119	134
		@@ -150,9 +165,9 @@
150	165	if (!$has_code && $clean_content !== strip_tags($entry['content'])) {
151	166	continue;
152	167	}
153	168
154		- // More accurate token estimation (1 token ≈ 4 characters)
	169	+ // More accurate token estimation (1 token ≈ 4 characters)
155	170	$token_estimate = ceil(mb_strlen($clean_content, 'UTF-8') / 4);
156	171
157	172	// Check token budget with the new estimate
158	173	if (($current_token_count + $token_estimate + $reserved_tokens) > $max_tokens) {
		@@ -206,8 +221,14 @@
206	221	'methods' => 'POST',
207	222	'callback' => [$this, 'handle_slack_interaction'],
208	223	'permission_callback' => [$this, 'verify_slack_request'],
209	224	]);
	225	+
	226	+ register_rest_route('mxchat/v1', '/slack-messages', [
	227	+ 'methods' => 'POST',
	228	+ 'callback' => [$this, 'handle_slack_messages'],
	229	+ 'permission_callback' => [$this, 'verify_slack_request'],
	230	+ ]);
210	231
211	232	//error_log(esc_html__('MxChat REST routes registered', 'mxchat'));
212	233	}
213	234
		@@ -295,20 +316,33 @@
295	316
296	317
297	318
298	319
299		-private function mxchat_save_chat_message($session_id, $role, $message) {
	320	+private function mxchat_save_chat_message($session_id, $role, $message, $originating_page = null) {
300	321	global $wpdb;
301		-
302	322	$table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
303	323	//error_log("[DEBUG] mxchat_save_chat_message -> START for session_id: {$session_id}, role: {$role}");
304		-
	324	+
	325	+ // Check if this is the first message in a new session (before any other database operations)
	326	+ $is_new_session = false;
	327	+ if ($role === 'user') { // Only check for user messages, not bot responses
	328	+ $existing_messages = $wpdb->get_var($wpdb->prepare(
	329	+ "SELECT COUNT(*) FROM $table_name WHERE session_id = %s",
	330	+ $session_id
	331	+ ));
	332	+ $is_new_session = ($existing_messages == 0);
	333	+
	334	+ // NEW: Log for debugging
	335	+ if ($is_new_session) {
	336	+ //error_log("[DEBUG] This is a NEW session - first message");
	337	+ }
	338	+ }
	339	+
305	340	// 1) Extract agent name if present
306	341	$agent_name = '';
307	342	if (preg_match('/^Agent: (.*?) - /', $message, $matches)) {
308	343	$agent_name = $matches[1];
309	344	$message = str_replace("Agent: $agent_name - ", '', $message);
310		-
311	345	$session_meta_key = "mxchat_agent_name_{$session_id}";
312	346	if (empty(get_option($session_meta_key))) {
313	347	update_option($session_meta_key, $agent_name);
314	348	//error_log("[DEBUG] mxchat_save_chat_message -> Stored agent_name in option: {$session_meta_key} => {$agent_name}");
		@@ -313,42 +347,57 @@
313	347	update_option($session_meta_key, $agent_name);
314	348	//error_log("[DEBUG] mxchat_save_chat_message -> Stored agent_name in option: {$session_meta_key} => {$agent_name}");
315	349	}
316	350	}
317		-
	351	+
318	352	// 2) Generate unique message_id
319	353	$message_id = uniqid();
320	354	//error_log("[DEBUG] mxchat_save_chat_message -> Generated message_id: {$message_id}");
321		-
	355	+
322	356	// 3) Determine user_id
323	357	$user_id = is_user_logged_in() ? get_current_user_id() : 0;
324		-
	358	+
325	359	// 4) Determine user_identifier
326	360	$user_identifier = $agent_name
327	361	? $agent_name
328	362	: MxChat_User::mxchat_get_user_identifier();
329		-
	363	+
330	364	// 5) Determine displayed_name
331	365	$user_email = MxChat_User::mxchat_get_user_email();
332	366	$displayed_name = $agent_name ? $agent_name : ($user_email ?: $user_identifier);
333		-
	367	+
334	368	// 6) Check for a saved email in wp_options
335	369	$email_option_key = "mxchat_email_{$session_id}";
336	370	$saved_email = get_option($email_option_key);
337	371	//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}");
	372	+
	373	+ // NEW: Check for a saved name in wp_options
	374	+ $name_option_key = "mxchat_name_{$session_id}";
	375	+ $saved_name = get_option($name_option_key);
	376	+ //error_log("[DEBUG] mxchat_save_chat_message -> Checking wp_options for name_option_key: {$name_option_key}, found: {$saved_name}");
	377	+
	378	+ // If found, update DB user_email and user_name
	379	+ if ($saved_email || $saved_name) {
	380	+ $update_data = [];
	381	+ if ($saved_email) {
	382	+ $update_data['user_email'] = $saved_email;
	383	+ }
	384	+ if ($saved_name) {
	385	+ $update_data['user_name'] = $saved_name;
	386	+ }
	387	+
	388	+ if (!empty($update_data)) {
	389	+ $update_res = $wpdb->update(
	390	+ $table_name,
	391	+ $update_data,
	392	+ ['session_id' => $session_id],
	393	+ array_fill(0, count($update_data), '%s'),
	394	+ ['%s']
	395	+ );
	396	+ //error_log("[DEBUG] mxchat_save_chat_message -> Attempted DB user_email/user_name update for session_id {$session_id}. update_res: {$update_res}");
	397	+ }
349	398	}
350		-
	399	+
351	400	// 7) Save to session history in wp_options
352	401	$history_key = "mxchat_history_{$session_id}";
353	402	$history = get_option($history_key, []);
354	403	$history[] = [
		@@ -357,34 +406,149 @@
357	406	'content' => $message,
358	407	'timestamp' => round(microtime(true) * 1000),
359	408	'agent_name' => $displayed_name,
360	409	];
361		- update_option($history_key, $history);
	410	+ update_option($history_key, $history, 'no');
362	411	//error_log("[DEBUG] mxchat_save_chat_message -> Updated session history in option: {$history_key}");
363		-
	412	+
364	413	// 8) Save the message to DB (INSERT)
365	414	$insert_data = [
366	415	'user_id' => $user_id,
367	416	'user_identifier'=> $user_identifier,
368	417	'user_email' => $saved_email ?: $user_email,
	418	+ 'user_name' => $saved_name ?: '', // NEW: Add name to insert data
369	419	'session_id' => $session_id,
370	420	'role' => $role,
371	421	'message' => $message,
372	422	'timestamp' => current_time('mysql', 1),
373	423	];
	424	+
	425	+ // IMPROVED: Handle originating page data
	426	+ $columns_exist = $wpdb->get_var("SHOW COLUMNS FROM $table_name LIKE 'originating_page_url'");
	427	+
	428	+ if ($columns_exist) {
	429	+ if ($is_new_session && $role === 'user') {
	430	+ // For the first user message, set originating page data
	431	+
	432	+ // First check if we have it from the parameter
	433	+ if ($originating_page && !empty($originating_page['url'])) {
	434	+ $insert_data['originating_page_url'] = $originating_page['url'];
	435	+ $insert_data['originating_page_title'] = $originating_page['title'] ?? '';
	436	+
	437	+ //error_log("[DEBUG] Setting originating page from parameter: " . $originating_page['url']);
	438	+ }
	439	+ // Otherwise check if it's stored in the instance property
	440	+ else if (isset($this->pending_originating_page) && !empty($this->pending_originating_page['url'])) {
	441	+ $insert_data['originating_page_url'] = $this->pending_originating_page['url'];
	442	+ $insert_data['originating_page_title'] = $this->pending_originating_page['title'] ?? '';
	443	+
	444	+ //error_log("[DEBUG] Setting originating page from pending_originating_page: " . $this->pending_originating_page['url']);
	445	+
	446	+ // Clear after using
	447	+ unset($this->pending_originating_page);
	448	+ }
	449	+ // Fallback to HTTP_REFERER if nothing else is available
	450	+ else if (isset($_SERVER['HTTP_REFERER'])) {
	451	+ $referer_url = esc_url_raw($_SERVER['HTTP_REFERER']);
	452	+ $insert_data['originating_page_url'] = $referer_url;
	453	+
	454	+ // Generate title from URL
	455	+ $parsed_url = parse_url($referer_url);
	456	+ $path = isset($parsed_url['path']) ? trim($parsed_url['path'], '/') : '';
	457	+
	458	+ if (empty($path) || $path === 'index.php' || $path === 'index.html') {
	459	+ $insert_data['originating_page_title'] = 'Homepage';
	460	+ } else {
	461	+ $title = str_replace(['-', '_', '/', '.php', '.html'], ' ', $path);
	462	+ $insert_data['originating_page_title'] = ucwords(trim($title));
	463	+ }
	464	+
	465	+ //error_log("[DEBUG] Setting originating page from HTTP_REFERER: " . $referer_url);
	466	+ }
	467	+
	468	+ // Store for this session so all messages have the same originating page
	469	+ if (!empty($insert_data['originating_page_url'])) {
	470	+ update_option("mxchat_originating_page_{$session_id}", [
	471	+ 'url' => $insert_data['originating_page_url'],
	472	+ 'title' => $insert_data['originating_page_title']
	473	+ ], 'no');
	474	+ }
	475	+ } else {
	476	+ // For subsequent messages in the session, use the stored originating page
	477	+ $stored_originating = get_option("mxchat_originating_page_{$session_id}");
	478	+ if ($stored_originating && !empty($stored_originating['url'])) {
	479	+ $insert_data['originating_page_url'] = $stored_originating['url'];
	480	+ $insert_data['originating_page_title'] = $stored_originating['title'] ?? '';
	481	+ }
	482	+ }
	483	+ }
	484	+
374	485	$wpdb->insert($table_name, $insert_data);
375	486	//error_log("[DEBUG] mxchat_save_chat_message -> Inserted message into DB. row_id: {$wpdb->insert_id}, data: " . print_r($insert_data, true));
376		-
	487	+
	488	+ // 9) Send notification email if this is the first user message in a new session
	489	+ if ($wpdb->insert_id && $is_new_session && $role === 'user') {
	490	+ $this->send_new_chat_notification($session_id, array(
	491	+ 'identifier' => $user_identifier,
	492	+ 'email' => $saved_email ?: $user_email,
	493	+ 'ip' => $_SERVER['REMOTE_ADDR']
	494	+ ));
	495	+ }
	496	+
377	497	//error_log("[DEBUG] mxchat_save_chat_message -> END for session_id: {$session_id}");
378	498	return $message_id;
379	499	}
	500	+private function send_new_chat_notification($session_id, $user_info = array()) {
	501	+ $options = get_option('mxchat_transcripts_options');
	502	+
	503	+ // Check if notifications are enabled
	504	+ if (empty($options['mxchat_enable_notifications'])) {
	505	+ return false;
	506	+ }
	507	+
	508	+ // Get notification email
	509	+ $to = !empty($options['mxchat_notification_email']) ?
	510	+ $options['mxchat_notification_email'] :
	511	+ get_option('admin_email');
	512	+
	513	+ if (!is_email($to)) {
	514	+ return false;
	515	+ }
	516	+
	517	+ // Prepare email content
	518	+ $subject = sprintf('[%s] New Chat Session Started', get_bloginfo('name'));
	519	+
	520	+ $user_identifier = isset($user_info['identifier']) ? $user_info['identifier'] : 'Guest';
	521	+ $user_email = isset($user_info['email']) ? $user_info['email'] : 'Not provided';
	522	+ $user_ip = isset($user_info['ip']) ? $user_info['ip'] : $_SERVER['REMOTE_ADDR'];
	523	+
	524	+ $message = sprintf(
	525	+ "A new chat session has started on your website.\n\n" .
	526	+ "Session ID: %s\n" .
	527	+ "User: %s\n" .
	528	+ "Email: %s\n" .
	529	+ "IP Address: %s\n" .
	530	+ "Time: %s\n\n" .
	531	+ "View transcripts: %s",
	532	+ $session_id,
	533	+ $user_identifier,
	534	+ $user_email,
	535	+ $user_ip,
	536	+ current_time('mysql'),
	537	+ admin_url('admin.php?page=mxchat-transcripts')
	538	+ );
	539	+
	540	+ // Send email
	541	+ return wp_mail($to, $subject, $message);
	542	+}
380	543
381	544	public function mxchat_handle_save_email_and_response() {
382	545	//error_log('[DEBUG] ---------- mxchat_handle_save_email_and_response START ----------');
	546	+ //error_log('DEBUG: POST data: ' . print_r($_POST, true));
383	547
384	548	// Validate nonce
385	549	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'));
	550	+ //error_log(esc_html__('[ERROR] Invalid nonce in mxchat_handle_save_email_and_response', 'mxchat'));
387	551	wp_send_json_error(['message' => esc_html__('Invalid nonce.', 'mxchat')]);
388	552	wp_die();
389	553	}
390	554
		@@ -389,10 +553,11 @@
389	553	}
390	554
391	555	$session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
392	556	$email = isset($_POST['email']) ? sanitize_email($_POST['email']) : '';
	557	+ $name = isset($_POST['name']) ? sanitize_text_field($_POST['name']) : '';
393	558
394		- //error_log("[DEBUG] handle_save_email_and_response -> session_id: {$session_id}, email: {$email}");
	559	+ //error_log("[DEBUG] handle_save_email_and_response -> session_id: {$session_id}, email: {$email}, name: {$name}");
395	560
396	561	if (empty($session_id) || empty($email)) {
397	562	//error_log("[ERROR] Missing session_id or email: session_id={$session_id}, email={$email}");
398	563	wp_send_json_error(['message' => esc_html__('Session ID or email is missing.', 'mxchat')]);
		@@ -398,13 +563,31 @@
398	563	wp_send_json_error(['message' => esc_html__('Session ID or email is missing.', 'mxchat')]);
399	564	wp_die();
400	565	}
401	566
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}");
	567	+ // NEW: Validate name if provided (check if name field is enabled and name is required)
	568	+ $options = get_option('mxchat_options', []);
	569	+ $name_field_enabled = isset($options['enable_name_field']) &&
	570	+ ($options['enable_name_field'] === '1' || $options['enable_name_field'] === 'on');
	571	+
	572	+ if ($name_field_enabled && (empty($name) || strlen(trim($name)) < 2 || strlen(trim($name)) > 100)) {
	573	+ //error_log("[ERROR] Invalid name: {$name} (enabled: {$name_field_enabled})");
	574	+ wp_send_json_error(['message' => esc_html__('Name must be between 2 and 100 characters.', 'mxchat')]);
	575	+ wp_die();
	576	+ }
406	577
	578	+ // 1) Always store email in wp_options
	579	+ $email_option_key = "mxchat_email_{$session_id}";
	580	+ update_option($email_option_key, $email);
	581	+ //error_log("[DEBUG] handle_save_email_and_response -> updated option: {$email_option_key} => {$email}");
	582	+
	583	+ // NEW: Store name in wp_options if provided
	584	+ if (!empty($name)) {
	585	+ $name_option_key = "mxchat_name_{$session_id}";
	586	+ update_option($name_option_key, $name);
	587	+ //error_log("[DEBUG] handle_save_email_and_response -> updated option: {$name_option_key} => {$name}");
	588	+ }
	589	+
407	590	// 2) (Optional) Also store in DB if a row already exists
408	591	global $wpdb;
409	592	$table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
410	593
		@@ -414,21 +597,30 @@
414	597
415	598	//error_log("[DEBUG] handle_save_email_and_response -> session_count for {$session_id}: {$session_count} (SQL: {$sql})");
416	599
417	600	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		- $session_id
423		- );
	601	+ // NEW: Update both user_email and user_name if row(s) exist
	602	+ if (!empty($name)) {
	603	+ $update_sql = $wpdb->prepare(
	604	+ "UPDATE {$table_name} SET user_email = %s, user_name = %s WHERE session_id = %s",
	605	+ $email,
	606	+ $name,
	607	+ $session_id
	608	+ );
	609	+ } else {
	610	+ $update_sql = $wpdb->prepare(
	611	+ "UPDATE {$table_name} SET user_email = %s WHERE session_id = %s",
	612	+ $email,
	613	+ $session_id
	614	+ );
	615	+ }
424	616	$wpdb->query($update_sql);
425	617	//error_log("[DEBUG] handle_save_email_and_response -> DB updated: {$update_sql}");
426	618	} else {
427		- //error_log("[INFO] handle_save_email_and_response -> No DB entry for {$session_id}, so email is only in wp_options.");
	619	+ //error_log("[INFO] handle_save_email_and_response -> No DB entry for {$session_id}, so email/name is only in wp_options.");
428	620	}
429	621
430		- // Provide success response
	622	+ // Provide success response (same as original)
431	623	$bot_message = __('Thanks for providing your email! You can continue chatting now.', 'mxchat');
432	624	//error_log("[DEBUG] handle_save_email_and_response -> success, returning bot_message: {$bot_message}");
433	625	wp_send_json_success(['message' => $bot_message]);
434	626	wp_die();
		@@ -451,113 +643,83 @@
451	643	// Check if the user is logged in
452	644	if (is_user_logged_in()) {
453	645	$current_user = wp_get_current_user();
454	646	//error_log("[DEBUG] User is logged in as {$current_user->user_email}");
455		- wp_send_json_success(['logged_in' => true, 'email' => $current_user->user_email]);
	647	+
	648	+ // NEW: Get user's display name for logged in users
	649	+ $user_name = !empty($current_user->display_name) ? $current_user->display_name :
	650	+ (!empty($current_user->first_name) ? $current_user->first_name : '');
	651	+
	652	+ $response_data = ['logged_in' => true, 'email' => $current_user->user_email];
	653	+ if (!empty($user_name)) {
	654	+ $response_data['name'] = $user_name;
	655	+ }
	656	+
	657	+ wp_send_json_success($response_data);
456	658	}
457	659
458		- $option_key = "mxchat_email_{$session_id}";
459		- $stored_email = get_option($option_key, '');
	660	+ // NEW: Check if name field is required
	661	+ $options = get_option('mxchat_options', []);
	662	+ $name_field_enabled = isset($options['enable_name_field']) &&
	663	+ ($options['enable_name_field'] === '1' || $options['enable_name_field'] === 'on');
460	664
461		- //error_log("[DEBUG] mxchat_check_email_provided -> Checking option: {$option_key}, found: {$stored_email}");
	665	+ $email_option_key = "mxchat_email_{$session_id}";
	666	+ $stored_email = get_option($email_option_key, '');
	667	+
	668	+ // NEW: Check for stored name
	669	+ $name_option_key = "mxchat_name_{$session_id}";
	670	+ $stored_name = get_option($name_option_key, '');
462	671
463		- if (!empty($stored_email)) {
464		- //error_log("[DEBUG] mxchat_check_email_provided -> Email found, returning success");
465		- wp_send_json_success(['email' => $stored_email]);
466		- } else {
467		- //error_log("[DEBUG] mxchat_check_email_provided -> No email found, returning error");
468		- wp_send_json_error(['message' => esc_html__('No email found', 'mxchat')]);
469		- }
470		-}
	672	+ //error_log("[DEBUG] mxchat_check_email_provided -> Checking email option: {$email_option_key}, found: {$stored_email}");
	673	+ //error_log("[DEBUG] mxchat_check_email_provided -> Checking name option: {$name_option_key}, found: {$stored_name}, required: " . ($name_field_enabled ? 'yes' : 'no'));
471	674
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';
	675	+ // NEW: Check if we have email and name (if name is required)
	676	+ $has_required_info = !empty($stored_email);
	677	+
	678	+ if ($name_field_enabled) {
	679	+ $has_required_info = $has_required_info && !empty($stored_name);
480	680	}
481	681
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') . $role);
	682	+ if ($has_required_info) {
	683	+ //error_log("[DEBUG] mxchat_check_email_provided -> Required info found, returning success");
	684	+
	685	+ $response_data = ['email' => $stored_email];
	686	+ if (!empty($stored_name)) {
	687	+ $response_data['name'] = $stored_name;
507	688	}
	689	+
	690	+ wp_send_json_success($response_data);
	691	+ } else {
	692	+ //error_log("[DEBUG] mxchat_check_email_provided -> Required info missing, returning error");
	693	+ wp_send_json_error(['message' => esc_html__('No email found', 'mxchat')]);
508	694	}
509		-
510		- $final_limit = $max_limit > 0 ? (string)$max_limit : '100';
511		- //error_log(esc_html__("Final rate limit: ", 'mxchat') . $final_limit);
512		- return $final_limit;
513	695	}
514	696
515		-
516		-// Add this to your plugin's main PHP file
517		-public function mxchat_check_new_messages() {
518		- if (!isset($_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	697	public function mxchat_handle_chat_request() {
556	698	global $wpdb;
557	699
	700	+ // NEW: Check if this is a streaming request
	701	+ $is_streaming = isset($_POST['action']) && $_POST['action'] === 'mxchat_stream_chat';
	702	+
	703	+ // NEW: Set streaming headers if needed
	704	+ if ($is_streaming) {
	705	+ // Disable output buffering
	706	+ while (ob_get_level()) {
	707	+ ob_end_flush(); // Changed from ob_end_clean()
	708	+ }
	709	+
	710	+ // Set headers for SSE
	711	+ header('Content-Type: text/event-stream');
	712	+ header('Cache-Control: no-cache');
	713	+ header('Connection: keep-alive');
	714	+ header('X-Accel-Buffering: no');
	715	+
	716	+ // Add these new lines:
	717	+ ob_implicit_flush(true);
	718	+ flush();
	719	+ }
558	720
559		- // Check if MX Chat Moderation is active
	721	+ // Check if MX Chat Moderation is active
560	722	if (class_exists('MX_Chat_Moderation')) {
561	723	// Get user email and IP
562	724	$user_email = '';
563	725	$user_ip = $_SERVER['REMOTE_ADDR'];
		@@ -591,14 +753,12 @@
591	753	wp_die();
592	754	}
593	755	}
594	756
595		-
596		- // Reset fallback response at the start of each request
597	757	$this->fallbackResponse = ['text' => '', 'html' => '', 'images' => []];
598	758	$this->productCardHtml = '';
599	759
600		- // Get the actual WordPress user ID if logged in
	760	+ // Get the actual WordPress user ID if logged in
601	761	$is_logged_in = is_user_logged_in();
602	762	if ($is_logged_in) {
603	763	$user_id = get_current_user_id(); // This will get the actual WordPress user ID
604	764	} else {
		@@ -608,65 +768,24 @@
608	768
609	769	// Get and sanitize the user identifier
610	770	$user_id = sanitize_key($user_id);
611	771
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'));
	772	+ // Check rate limit using new settings structure
	773	+ $rate_limit_result = $this->check_rate_limit();
615	774
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, $chat_count, DAY_IN_SECONDS);
	775	+ if ($rate_limit_result !== true) {
	776	+ wp_send_json([
	777	+ 'success' => false,
	778	+ 'message' => $rate_limit_result['message'],
	779	+ 'status' => 'rate_limit_exceeded'
	780	+ ]);
	781	+ wp_die();
661	782	}
662	783
663	784	// Rest of your existing code...
664	785	$session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
665		- //error_log("Session ID: $session_id");
666	786
667	787	if (empty($session_id)) {
668		- //error_log("Error: Session ID is missing.");
669	788	wp_send_json_error(esc_html__('Session ID is missing.', 'mxchat'));
670	789	wp_die();
671	790	}
672	791
		@@ -671,75 +790,246 @@
671	790	}
672	791
673	792	// Validate and sanitize the incoming message
674	793	if (empty($_POST['message'])) {
675		- //error_log("Error: No message received.");
676	794	wp_send_json_error(esc_html__('No message received.', 'mxchat'));
677	795	wp_die();
678	796	}
	797	+
	798	+
	799	+ // NEW: Track originating page for first message in session
	800	+$table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
679	801
	802	+// Check if originating page columns exist
	803	+$columns_exist = $wpdb->get_var("SHOW COLUMNS FROM $table_name LIKE 'originating_page_url'");
680	804
681		-// Modify the message sanitization to preserve PHP tags in code blocks
682		-$allowed_tags = [
683		- 'pre' => [],
684		- 'code' => ['class' => true],
685		- 'span' => ['class' => true],
686		- 'div' => ['class' => true],
687		-];
	805	+if ($columns_exist) {
	806	+ // Check if this session already has messages
	807	+ $message_count = $wpdb->get_var($wpdb->prepare(
	808	+ "SELECT COUNT(*) FROM $table_name WHERE session_id = %s",
	809	+ $session_id
	810	+ ));
	811	+
	812	+ // If this is the first message in the session
	813	+ if ($message_count == 0) {
	814	+ // Get originating page from JavaScript (preferred) or HTTP_REFERER (fallback)
	815	+ $originating_url = '';
	816	+ $originating_title = '';
	817	+
	818	+ // Try to get from POST data first (sent by JavaScript)
	819	+ if (isset($_POST['current_page_url'])) {
	820	+ $originating_url = esc_url_raw($_POST['current_page_url']);
	821	+ $originating_title = isset($_POST['current_page_title'])
	822	+ ? sanitize_text_field($_POST['current_page_title'])
	823	+ : '';
	824	+ }
	825	+ // Fallback to HTTP_REFERER if not provided by JavaScript
	826	+ else if (isset($_SERVER['HTTP_REFERER'])) {
	827	+ $originating_url = esc_url_raw($_SERVER['HTTP_REFERER']);
	828	+ }
	829	+
	830	+ // Generate title if we have URL but no title
	831	+ if ($originating_url && empty($originating_title)) {
	832	+ $parsed_url = parse_url($originating_url);
	833	+ $path = isset($parsed_url['path']) ? trim($parsed_url['path'], '/') : '';
	834	+
	835	+ if (empty($path) || $path === 'index.php' || $path === 'index.html') {
	836	+ $originating_title = 'Homepage';
	837	+ } else {
	838	+ // Clean up the path to make a readable title
	839	+ $originating_title = str_replace(['-', '_', '/', '.php', '.html'], ' ', $path);
	840	+ $originating_title = ucwords(trim($originating_title));
	841	+ }
	842	+ }
	843	+
	844	+ // Store for later use when saving the message
	845	+ $this->pending_originating_page = [
	846	+ 'url' => $originating_url,
	847	+ 'title' => $originating_title
	848	+ ];
	849	+ }
	850	+}
	851	+
	852	+
688	853
689		-// First preserve code blocks
690		-$message = preg_replace_callback('/<pre><code.*?>.*?<\/code><\/pre>/s', function($matches) {
691		- return htmlspecialchars_decode($matches[0]);
692		-}, $_POST['message']);
	854	+ // NEW: Get page context if provided
	855	+ $page_context = null;
	856	+ if (isset($_POST['page_context']) && !empty($_POST['page_context'])) {
	857	+ $page_context_raw = stripslashes($_POST['page_context']);
	858	+ $page_context = json_decode($page_context_raw, true);
	859	+
	860	+ // Validate page context structure
	861	+ if (is_array($page_context) &&
	862	+ isset($page_context['url']) &&
	863	+ isset($page_context['title']) &&
	864	+ isset($page_context['content'])) {
	865	+
	866	+ // Sanitize page context
	867	+ $page_context['url'] = esc_url_raw($page_context['url']);
	868	+ $page_context['title'] = sanitize_text_field($page_context['title']);
	869	+ $page_context['content'] = wp_kses_post($page_context['content']);
	870	+ } else {
	871	+ $page_context = null;
	872	+ }
	873	+ }
693	874
694		-// Then apply sanitization
695		-$message = wp_kses($message, $allowed_tags);
	875	+ // Modify the message sanitization to preserve PHP tags in code blocks
	876	+ $allowed_tags = [
	877	+ 'pre' => [],
	878	+ 'code' => ['class' => true],
	879	+ 'span' => ['class' => true],
	880	+ 'div' => ['class' => true],
	881	+ ];
696	882
697		-// Decode code blocks
698		-$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);
	883	+ // First preserve code blocks
	884	+ $message = preg_replace_callback('/<pre><code.*?>.*?<\/code><\/pre>/s', function($matches) {
	885	+ return htmlspecialchars_decode($matches[0]);
	886	+ }, $_POST['message']);
701	887
702		-$message = trim($message);
	888	+ // Then apply sanitization
	889	+ $message = wp_kses($message, $allowed_tags);
703	890
704		-// Preserve code blocks from markdown conversion
705		-$message = preg_replace('/```(\w+)?\s*([\s\S]+?)```/s', '<pre><code class="$1">$2</code></pre>', $message);
	891	+ // Preserve code blocks from markdown conversion
	892	+ $message = preg_replace('/```(\w+)?\s*([\s\S]+?)```/s', '<pre><code class="$1">$2</code></pre>', $message);
	893	+ $message = apply_filters('mxchat_filter_message', $message, 'prompt', $session_id);
706	894
707		- // Save the user's message
708		- $this->mxchat_save_chat_message($session_id, 'user', $message);
	895	+// ===== SIMPLIFIED TESTING PANEL INITIALIZATION =====
	896	+ // Always initialize testing data for admins (no toggle needed)
	897	+ $testing_data = null;
	898	+ if (current_user_can('administrator')) {
	899	+ // For vision messages, use the original user message for the query display
	900	+ $query_for_testing = $message;
	901	+ if (isset($_POST['vision_processed']) && $_POST['vision_processed'] && isset($_POST['original_user_message'])) {
	902	+ $query_for_testing = sanitize_textarea_field($_POST['original_user_message']);
	903	+ }
	904	+
	905	+ $testing_data = [
	906	+ 'query' => $query_for_testing,
	907	+ 'timestamp' => time(),
	908	+ 'top_matches' => [],
	909	+ 'action_matches' => [], // NEW: Initialize action matches array
	910	+ 'page_context' => $page_context, // NEW: Include page context in testing data
	911	+ 'is_vision' => isset($_POST['vision_processed']) && $_POST['vision_processed']
	912	+ ];
	913	+
	914	+ // Get similarity threshold
	915	+ $similarity_threshold = isset($this->options['similarity_threshold'])
	916	+ ? ((int) $this->options['similarity_threshold']) / 100
	917	+ : 0.75;
	918	+
	919	+ $testing_data['similarity_threshold'] = $similarity_threshold;
	920	+
	921	+ // Determine knowledge base type
	922	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	923	+ $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1');
	924	+ $testing_data['knowledge_base_type'] = $use_pinecone ? 'Pinecone' : 'WordPress Database';
	925	+ }
	926	+ // ===== END SIMPLIFIED TESTING INITIALIZATION =====
709	927
710		- // Check if the message is an email address
711		- if (is_email($message)) {
712		- // Add the email to Loops
713		- $this->add_email_to_loops($message);
	928	+// Add debug before and after:
	929	+//error_log('MxChat Core: About to call mxchat_pre_process_message filter with message: ' . $message);
	930	+$pre_processed_result = apply_filters('mxchat_pre_process_message', $message, $user_id, $session_id);
	931	+//error_log('MxChat Core: Filter returned: ' . (is_array($pre_processed_result) ? 'array' : $pre_processed_result));
714	932
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	933
719		- wp_send_json([
720		- 'success' => true,
721		- 'status' => 'email_captured',
722		- 'message' => $response_message
723		- ]);
	934	+ // If the pre-processing returned a result (not the original message), use it directly
	935	+ if (is_array($pre_processed_result) && isset($pre_processed_result['text'])) {
	936	+ // Save the AI response
	937	+ $this->mxchat_save_chat_message($session_id, 'bot', $pre_processed_result['text']);
	938	+
	939	+ // Save HTML content if provided
	940	+ if (!empty($pre_processed_result['html'])) {
	941	+ $this->mxchat_save_chat_message($session_id, 'bot', $pre_processed_result['html']);
	942	+ }
	943	+
	944	+ // Add testing data if admin
	945	+ $response_data = [
	946	+ 'text' => $pre_processed_result['text'],
	947	+ 'html' => $pre_processed_result['html'] ?? '',
	948	+ 'session_id' => $session_id
	949	+ ];
	950	+
	951	+ if ($testing_data !== null) {
	952	+ $response_data['testing_data'] = $testing_data;
	953	+ }
	954	+
	955	+ wp_send_json($response_data);
724	956	wp_die();
725	957	}
726	958
	959	+ // Save the user's message - handle vision processed messages differently
	960	+ if (isset($_POST['vision_processed']) && $_POST['vision_processed'] && isset($_POST['original_user_message'])) {
	961	+ // For vision messages, save the original user message with image indicator
	962	+ $original_message = sanitize_textarea_field($_POST['original_user_message']);
	963	+ if (isset($_POST['vision_images_count']) && $_POST['vision_images_count'] > 0) {
	964	+ $image_count = intval($_POST['vision_images_count']);
	965	+ $original_message .= " [{$image_count} image(s)]";
	966	+ }
	967	+ $this->mxchat_save_chat_message($session_id, 'user', $original_message);
	968	+ } else {
	969	+ // Regular message - save as normal
	970	+ $this->mxchat_save_chat_message($session_id, 'user', $message);
	971	+ }
	972	+
	973	+
	974	+if (is_email($message)) {
	975	+ // Add the email to Loops
	976	+ $this->add_email_to_loops($message);
	977	+
	978	+ // Get the user's success message instruction
	979	+ $user_success_message = $this->options['email_capture_response'] ?? __('Thank you for providing your email! You\'ve been added to our list.', 'mxchat');
	980	+
	981	+ // Set instruction for AI using the user's success message
	982	+ $this->current_action_instruction = $user_success_message;
	983	+
	984	+ // Clear the email capture transient since we got the email
	985	+ delete_transient('mxchat_email_capture_' . $user_id);
	986	+ }
	987	+
	988	+ // NEW: Check if we're in an email capture flow but user hasn't provided email yet
	989	+ elseif (get_transient('mxchat_email_capture_' . $user_id)) {
	990	+ // Check if the message contains an email (not the whole message being an email)
	991	+ if (preg_match('/\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b/', $message, $matches)) {
	992	+ $extracted_email = $matches[0];
	993	+
	994	+ // Add the extracted email to Loops
	995	+ $this->add_email_to_loops($extracted_email);
	996	+
	997	+ // Get the user's success message instruction
	998	+ $user_success_message = $this->options['email_capture_response'] ?? __('Thank you for providing your email! You\'ve been added to our list.', 'mxchat');
	999	+
	1000	+ // Set instruction for AI using the user's success message
	1001	+ $this->current_action_instruction = $user_success_message;
	1002	+
	1003	+ // Clear the email capture transient since we got the email
	1004	+ delete_transient('mxchat_email_capture_' . $user_id);
	1005	+ }
	1006	+ // If no email found but we're in capture mode, remind them
	1007	+ else {
	1008	+ // Get the original instruction to remind them
	1009	+ $original_instruction = $this->options['triggered_phrase_response'] ?? __("Please provide your email address.", 'mxchat');
	1010	+ $this->current_action_instruction = $original_instruction;
	1011	+ }
	1012	+ }
	1013	+
727	1014	$intent_info = '';
728	1015
729	1016	// Check chat mode
730	1017	$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
731		- //error_log("Chat Mode: $chat_mode");
732	1018
733	1019	// Handle agent mode
	1020	+// Handle agent mode
734	1021	if ($chat_mode === 'agent') {
735	1022	// First, check for switch intent before doing anything else
736	1023	$intent_matched = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
737	1024
	1025	+ // NEW: Capture action analysis for testing panel after intent check
	1026	+ if ($testing_data !== null && isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	1027	+ $testing_data['action_matches'] = $this->last_action_analysis;
	1028	+ }
	1029	+
738	1030	// If we matched an intent and it's the switch intent, handle it
739	1031	if ($intent_matched && !empty($this->fallbackResponse['text'])) {
740		- //error_log("Switch to chatbot intent detected");
741		-
742	1032	// Update chat mode first
743	1033	update_option("mxchat_mode_{$session_id}", 'ai');
744	1034
745	1035	// Clear any existing PDF context to start fresh
		@@ -752,8 +1042,12 @@
752	1042	'session_id' => $session_id,
753	1043	'chat_mode' => 'ai'
754	1044	];
755	1045
	1046	+ if ($testing_data !== null) {
	1047	+ $response_data['testing_data'] = $testing_data;
	1048	+ }
	1049	+
756	1050	// Save the mode switch message
757	1051	$this->mxchat_save_chat_message($session_id, 'system', esc_html__('Switched to AI chat mode', 'mxchat'));
758	1052	$this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']);
759	1053
		@@ -763,16 +1057,20 @@
763	1057	} elseif (!$intent_matched) {
764	1058	// No intent matched, handle live agent message
765	1059	try {
766	1060	$this->mxchat_send_user_message_to_agent($message, $user_id, $session_id);
767		- //error_log("Message sent to agent.");
768	1061
769		- wp_send_json_success([
	1062	+ $agent_response = [
770	1063	'status' => 'waiting_for_agent',
771	1064	'message' => esc_html__('Message sent to live agent.', 'mxchat')
772		- ]);
	1065	+ ];
	1066	+
	1067	+ if ($testing_data !== null) {
	1068	+ $agent_response['testing_data'] = $testing_data;
	1069	+ }
	1070	+
	1071	+ wp_send_json_success($agent_response);
773	1072	} catch (\Exception $e) {
774		- //error_log("Error sending message to agent: " . $e->getMessage());
775	1073	wp_send_json_error(esc_html__('Failed to send message to agent', 'mxchat'));
776	1074	}
777	1075	wp_die();
778	1076	}
		@@ -777,160 +1075,303 @@
777	1075	wp_die();
778	1076	}
779	1077	}
780	1078
781		- // Step 1: Check for new PDF URL in the message
782		- if (preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) {
783		- $new_pdf_url = $matches[0];
	1079	+ // Step 1: Check for new PDF URL in the message
	1080	+ if (!isset($_POST['vision_processed']) && preg_match('/https?:\/\/[^\s"]+/i', $message, $matches)) {
	1081	+ $new_pdf_url = $matches[0];
784	1082
785		- // Check if this is likely a PDF-related request
786		- $pdf_keywords = ['pdf', 'document', 'read', 'analyze'];
787		- $is_pdf_request = false;
	1083	+ // Check if this is likely a PDF-related request
	1084	+ $pdf_keywords = ['pdf', 'document', 'read', 'analyze'];
	1085	+ $is_pdf_request = false;
788	1086
789		- foreach ($pdf_keywords as $keyword) {
790		- if (stripos($message, $keyword) !== false) {
791		- $is_pdf_request = true;
792		- break;
793		- }
	1087	+ foreach ($pdf_keywords as $keyword) {
	1088	+ if (stripos($message, $keyword) !== false) {
	1089	+ $is_pdf_request = true;
	1090	+ break;
794	1091	}
	1092	+ }
795	1093
796		- // If it looks like a PDF request or we're waiting for a PDF URL
797		- if ($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));
	1094	+ // If it looks like a PDF request or we're waiting for a PDF URL
	1095	+ if ($is_pdf_request || get_transient('mxchat_waiting_for_pdf_url_' . $session_id)) {
	1096	+ // Validate HTTPS
	1097	+ if (wp_http_validate_url($new_pdf_url) && parse_url($new_pdf_url, PHP_URL_SCHEME) === 'https') {
	1098	+ // Extract filename from URL
	1099	+ $pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH));
802	1100
803		- // Clear previous PDF transients
804		- $this->clear_pdf_transients($session_id);
	1101	+ // Clear previous PDF transients
	1102	+ $this->clear_pdf_transients($session_id);
805	1103
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);
	1104	+ // Process new PDF
	1105	+ $max_pages = $this->options['pdf_max_pages'] ?? 69;
	1106	+ $embeddings = $this->fetch_and_split_pdf_pages($new_pdf_url, $max_pages);
809	1107
810		- if ($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));
	1108	+ if ($embeddings === 'too_many_pages') {
	1109	+ $error_text = sprintf(
	1110	+ $this->options['pdf_intent_error_text'] ??
	1111	+ esc_html__("The provided PDF exceeds the maximum allowed limit of %d pages. Please provide a smaller document.", 'mxchat'),
	1112	+ $max_pages
	1113	+ );
	1114	+ $this->fallbackResponse['text'] = $error_text;
	1115	+ } elseif ($embeddings) {
	1116	+ // Store new PDF information
	1117	+ $pdf_filename = basename(parse_url($new_pdf_url, PHP_URL_PATH));
821	1118
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		- $pdf_filename = 'Document_' . date('Y-m-d_H-i') . '.pdf';
827		- }
	1119	+ // If the filename is generic, create a more descriptive one
	1120	+ if (in_array($pdf_filename, ['results_download.php', 'download.php', 'view.php', 'pdf.php']) ||
	1121	+ strpos($pdf_filename, '.php') !== false) {
	1122	+ $pdf_filename = 'Document_' . date('Y-m-d_H-i') . '.pdf';
	1123	+ }
828	1124
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);
	1125	+ set_transient('mxchat_pdf_url_' . $session_id, $new_pdf_url, HOUR_IN_SECONDS);
	1126	+ set_transient('mxchat_pdf_filename_' . $session_id, $pdf_filename, HOUR_IN_SECONDS);
	1127	+ set_transient('mxchat_pdf_embeddings_' . $session_id, $embeddings, HOUR_IN_SECONDS);
	1128	+ set_transient('mxchat_include_pdf_in_context_' . $session_id, true, HOUR_IN_SECONDS);
833	1129
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');
	1130	+ $success_text = $this->options['pdf_intent_success_text'] ??
	1131	+ esc_html__("I've processed the new PDF '{$pdf_filename}'. What questions do you have about it?", 'mxchat');
836	1132
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;
	1133	+ $pdf_response = [
	1134	+ 'success' => true,
	1135	+ 'message' => $success_text,
	1136	+ 'data' => [
	1137	+ 'filename' => $pdf_filename
	1138	+ ]
	1139	+ ];
	1140	+
	1141	+ if ($testing_data !== null) {
	1142	+ $pdf_response['testing_data'] = $testing_data;
850	1143	}
851	1144
852		- wp_send_json([
853		- 'success' => false,
854		- 'message' => $this->fallbackResponse['text']
855		- ]);
	1145	+ wp_send_json($pdf_response);
856	1146	wp_die();
	1147	+ } else {
	1148	+ $error_text = $this->options['pdf_intent_error_text'] ??
	1149	+ esc_html__("Sorry, I couldn't process the PDF. Please ensure it's a valid file.", 'mxchat');
	1150	+ $this->fallbackResponse['text'] = $error_text;
857	1151	}
	1152	+
	1153	+ $pdf_error_response = [
	1154	+ 'success' => false,
	1155	+ 'message' => $this->fallbackResponse['text']
	1156	+ ];
	1157	+
	1158	+ if ($testing_data !== null) {
	1159	+ $pdf_error_response['testing_data'] = $testing_data;
	1160	+ }
	1161	+
	1162	+ wp_send_json($pdf_error_response);
	1163	+ wp_die();
858	1164	}
859	1165	}
	1166	+ }
860	1167
	1168	+ // Check if there's an active recommendation flow session
	1169	+ $flow_state = get_option("mxchat_sr_flow_state_{$session_id}", array());
	1170	+ if (!empty($flow_state) && isset($flow_state['flow_id'])) {
	1171	+ // Create a dummy intent object that matches the original intent
	1172	+ $dummy_intent = new stdClass();
	1173	+ $dummy_intent->intent_label = 'Recommendation Flow ' . $flow_state['flow_id'];
	1174	+ $dummy_intent->phrases = ''; // Empty phrases to avoid matching the original trigger
	1175	+
	1176	+ // Call the recommendation flow handler directly
	1177	+ $response_data = apply_filters('mxchat_sr_recommendation_flow', false, $message, $user_id, $session_id, $dummy_intent);
	1178	+
	1179	+ // If the handler returned a response, send it
	1180	+ if (is_array($response_data) && (isset($response_data['text']) || isset($response_data['html']))) {
	1181	+ // Save the bot's response to the chat history
	1182	+ if (!empty($response_data['text'])) {
	1183	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_data['text']);
	1184	+ }
	1185	+ if (!empty($response_data['html'])) {
	1186	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_data['html']);
	1187	+ }
	1188	+
	1189	+ if ($testing_data !== null) {
	1190	+ $response_data['testing_data'] = $testing_data;
	1191	+ }
	1192	+
	1193	+ // Send the response
	1194	+ wp_send_json($response_data);
	1195	+ wp_die();
	1196	+ }
	1197	+ }
	1198	+
861	1199	// 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"));
	1200	+ $intent_result = $this->mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id);
864	1201
865		- // Step 3: If intent is matched and handled, respond immediately
866		- if ($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();
	1202	+ // NEW: Capture action analysis for testing panel after intent check
	1203	+ if ($testing_data !== null && isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	1204	+ $testing_data['action_matches'] = $this->last_action_analysis;
876	1205	}
877	1206
878		- // If no intent matched or product not found, proceed with AI response
879		- //error_log("No matching intent or fallback. Generating AI response.");
	1207	+ // Step 3: Handle the intent result appropriately
	1208	+ if ($intent_result !== false) {
	1209	+ // Intent was matched - ALWAYS send as JSON response, never streaming
	1210	+
	1211	+ if (is_array($intent_result) && (isset($intent_result['text']) || isset($intent_result['html']))) {
	1212	+ // Intent returned a direct response array
	1213	+ $response_data = [
	1214	+ 'text' => $intent_result['text'] ?? '',
	1215	+ 'html' => $intent_result['html'] ?? '',
	1216	+ 'session_id' => $session_id
	1217	+ ];
	1218	+
	1219	+ if ($testing_data !== null) {
	1220	+ $response_data['testing_data'] = $testing_data;
	1221	+ }
	1222	+
	1223	+ // Clear streaming headers if they were set
	1224	+ if ($is_streaming) {
	1225	+ header_remove('Content-Type');
	1226	+ header_remove('Cache-Control');
	1227	+ header_remove('Connection');
	1228	+ header_remove('X-Accel-Buffering');
	1229	+ header('Content-Type: application/json');
	1230	+ }
	1231	+
	1232	+ wp_send_json($response_data);
	1233	+ wp_die();
	1234	+ } else if ($intent_result === true && (!empty($this->fallbackResponse['text']) || !empty($this->fallbackResponse['html']))) {
	1235	+ // Intent returned true and set fallbackResponse
	1236	+
	1237	+ // SAVE TO TRANSCRIPT FIRST
	1238	+ if (!empty($this->fallbackResponse['text'])) {
	1239	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['text']);
	1240	+ }
	1241	+ if (!empty($this->fallbackResponse['html'])) {
	1242	+ $this->mxchat_save_chat_message($session_id, 'bot', $this->fallbackResponse['html']);
	1243	+ }
	1244	+
	1245	+ $response_data = [
	1246	+ 'text' => $this->fallbackResponse['text'] ?? '',
	1247	+ 'html' => $this->fallbackResponse['html'] ?? '',
	1248	+ 'session_id' => $session_id
	1249	+ ];
	1250	+
	1251	+ if ($testing_data !== null) {
	1252	+ $response_data['testing_data'] = $testing_data;
	1253	+ }
	1254	+
	1255	+ // Clear streaming headers if they were set
	1256	+ if ($is_streaming) {
	1257	+ header_remove('Content-Type');
	1258	+ header_remove('Cache-Control');
	1259	+ header_remove('Connection');
	1260	+ header_remove('X-Accel-Buffering');
	1261	+ header('Content-Type: application/json');
	1262	+ }
	1263	+
	1264	+ wp_send_json($response_data);
	1265	+ wp_die();
	1266	+ }
	1267	+ }
880	1268
	1269	+ // If we get here, no intent matched OR the intent didn't provide a usable response
	1270	+
881	1271	// Step 4: Generate AI response
882	1272	$conversation_history = $this->mxchat_fetch_conversation_history_for_ai($session_id);
883	1273	$this->mxchat_increment_chat_count();
884		-
	1274	+
885	1275	// Generate embedding for the user's query
886	1276	$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 $session_id");
889		- wp_send_json_error(esc_html__('Error processing your message.', 'mxchat'));
	1277	+
	1278	+ // Check if the embedding generation returned an error
	1279	+ if (is_array($user_message_embedding) && isset($user_message_embedding['error'])) {
	1280	+ $error_message = $user_message_embedding['error'];
	1281	+ $error_code = $user_message_embedding['error_code'] ?? 'embedding_error';
	1282	+
	1283	+ wp_send_json_error([
	1284	+ 'error_message' => $error_message,
	1285	+ 'error_code' => $error_code
	1286	+ ]);
890	1287	wp_die();
891	1288	}
	1289	+
	1290	+ // Check if the embedding is valid
	1291	+ if (!is_array($user_message_embedding) || empty($user_message_embedding)) {
	1292	+ wp_send_json_error([
	1293	+ 'error_message' => esc_html__('Unable to process your message. The embedding service is not responding correctly.', 'mxchat'),
	1294	+ 'error_code' => 'invalid_embedding'
	1295	+ ]);
	1296	+ wp_die();
	1297	+ }
892	1298
893	1299	// Build context with both knowledge base and PDF content if available
894	1300	$context_content = "User asked: '{$message}'\n\n";
	1301	+
	1302	+ // NEW: Add action instruction if present (add this right after the above line)
	1303	+ if (!empty($this->current_action_instruction)) {
	1304	+ $context_content .= "===== SPECIAL INSTRUCTION =====\n";
	1305	+ $context_content .= "IMPORTANT: " . $this->current_action_instruction . "\n";
	1306	+ $context_content .= "Respond naturally and conversationally while following this instruction.\n";
	1307	+ $context_content .= "===== END SPECIAL INSTRUCTION =====\n\n";
	1308	+
	1309	+ // Clear the instruction after using it
	1310	+ $this->current_action_instruction = null;
	1311	+ }
895	1312
896		- // Get relevant content from knowledge base
	1313	+
	1314	+ // NEW: Add page context if available and contextual awareness is enabled
	1315	+ if ($page_context && isset($this->options['contextual_awareness_toggle']) && $this->options['contextual_awareness_toggle'] === 'on') {
	1316	+ $context_content .= "===== CURRENT PAGE CONTEXT =====\n";
	1317	+ $context_content .= "Page URL: " . $page_context['url'] . "\n";
	1318	+ $context_content .= "Page Title: " . $page_context['title'] . "\n";
	1319	+ $context_content .= "Page Content: " . $page_context['content'] . "\n";
	1320	+ $context_content .= "===== END CURRENT PAGE CONTEXT =====\n\n";
	1321	+ }
	1322	+
	1323	+ // Get relevant content from knowledge base - THIS IS WHERE THE SIMILARITY ANALYSIS HAPPENS
897	1324	$relevant_content = $this->mxchat_find_relevant_content($user_message_embedding);
	1325	+
	1326	+ // ===== CAPTURE REAL SIMILARITY DATA FOR ADMINS =====
	1327	+ if ($testing_data !== null && $this->last_similarity_analysis !== null) {
	1328	+ // Update testing data with the REAL similarity analysis
	1329	+ $testing_data['top_matches'] = $this->last_similarity_analysis['top_matches'];
	1330	+ $testing_data['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0;
	1331	+ $testing_data['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'];
	1332	+ }
	1333	+ // ===== END SIMILARITY DATA CAPTURE =====
	1334	+
898	1335	if (!empty($relevant_content)) {
899		- $context_content .= "Relevant content from knowledge database:\n" . $relevant_content . "\n\n";
	1336	+ $context_content .= "===== OFFICIAL KNOWLEDGE DATABASE CONTENT =====\n" . $relevant_content . "\n===== END OF OFFICIAL KNOWLEDGE DATABASE CONTENT =====\n\n";
	1337	+ } else {
	1338	+ $context_content .= "===== NO RELEVANT CONTENT FOUND IN KNOWLEDGE DATABASE =====\n";
900	1339	}
901	1340
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";
	1341	+ // Check for and include PDF content
	1342	+ $pdf_url = get_transient('mxchat_pdf_url_' . $session_id);
	1343	+ $pdf_embeddings = get_transient('mxchat_pdf_embeddings_' . $session_id);
	1344	+ $pdf_filename = get_transient('mxchat_pdf_filename_' . $session_id);
	1345	+ if ($pdf_url && $pdf_embeddings && get_transient('mxchat_include_pdf_in_context_' . $session_id)) {
	1346	+ $relevant_pdf_pages = $this->find_relevant_pdf_pages($user_message_embedding, $pdf_embeddings);
	1347	+ if (!empty($relevant_pdf_pages)) {
	1348	+ $context_content .= "Relevant content from PDF document '{$pdf_filename}':\n";
	1349	+ foreach ($relevant_pdf_pages as $page_data) {
	1350	+ $context_content .= "Page {$page_data['page_number']} of '{$pdf_filename}': {$page_data['text']}\n";
915	1351	}
	1352	+ $context_content .= "\n";
916	1353	}
	1354	+ }
917	1355
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";
	1356	+ // Check for and include Word content
	1357	+ $word_url = get_transient('mxchat_word_url_' . $session_id);
	1358	+ $word_embeddings = get_transient('mxchat_word_embeddings_' . $session_id);
	1359	+ $word_filename = get_transient('mxchat_word_filename_' . $session_id);
	1360	+ if ($word_url && $word_embeddings && get_transient('mxchat_include_word_in_context_' . $session_id)) {
	1361	+ $relevant_word_chunks = $this->word_handler->mxchat_find_relevant_word_chunks($user_message_embedding, $word_embeddings);
	1362	+ if (!empty($relevant_word_chunks)) {
	1363	+ $context_content .= "Relevant content from Word document '{$word_filename}':\n";
	1364	+ foreach ($relevant_word_chunks as $chunk_data) {
	1365	+ $context_content .= "Section {$chunk_data['chunk_number']} of '{$word_filename}': {$chunk_data['text']}\n";
930	1366	}
	1367	+ $context_content .= "\n";
931	1368	}
932		- // Generate the response using the full context
	1369	+ }
	1370	+
	1371	+ $context_content = apply_filters('mxchat_prepare_context', $context_content, $session_id);
	1372	+
	1373	+ // Generate response
933	1374	$response = $this->mxchat_generate_response(
934	1375	$context_content,
935	1376	$this->options['api_key'],
936	1377	$this->options['xai_api_key'],
		@@ -935,11 +1376,34 @@
935	1376	$this->options['api_key'],
936	1377	$this->options['xai_api_key'],
937	1378	$this->options['claude_api_key'],
938	1379	$this->options['deepseek_api_key'],
939		- $conversation_history
	1380	+ $this->options['gemini_api_key'],
	1381	+ $conversation_history,
	1382	+ $is_streaming,
	1383	+ $session_id,
	1384	+ $testing_data
940	1385	);
941		-
	1386	+
	1387	+ // Handle streaming vs non-streaming responses
	1388	+ if ($is_streaming) {
	1389	+ // Check if streaming actually happened or if it fell back to regular response
	1390	+ if ($response === true) {
	1391	+ wp_die();
	1392	+ }
	1393	+ // If we get here, streaming fell back to regular response, continue
	1394	+ }
	1395	+
	1396	+ // Check if the response is an error array
	1397	+ if (is_array($response) && isset($response['error'])) {
	1398	+ wp_send_json_error([
	1399	+ 'error_message' => $response['error'],
	1400	+ 'error_code' => $response['error_code'] ?? 'api_error'
	1401	+ ]);
	1402	+ wp_die();
	1403	+ }
	1404	+
	1405	+ // If we get here, the response is valid text
942	1406	$this->mxchat_save_chat_message($session_id, 'bot', $response);
943	1407
944	1408	// Step 5: Save additional content if available
945	1409	if (!empty($this->productCardHtml)) {
		@@ -956,48 +1420,59 @@
956	1420	'html' => !empty($this->productCardHtml) ? $this->productCardHtml : ($this->fallbackResponse['html'] ?? ''),
957	1421	'session_id' => $session_id
958	1422	];
959	1423
	1424	+ // Always add testing data for admins (no toggle needed)
	1425	+ if ($testing_data !== null) {
	1426	+ $response_data['testing_data'] = $testing_data;
	1427	+ }
	1428	+
960	1429	wp_send_json($response_data);
961	1430	wp_die();
962	1431	}
963	1432
964		-// New function to check intents and invoke the callback function
	1433	+// Updated function to check intents and invoke the callback function
965	1434	private function mxchat_check_intent_and_invoke_callback($message, $user_id, $session_id) {
966	1435	global $wpdb;
967	1436	$chat_mode = get_option("mxchat_mode_{$session_id}", 'ai');
968	1437
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	1438	// Generate the user embedding
974		- //error_log('🔄 MXCHAT DEBUG: Generating user embedding');
975	1439	$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;
	1440	+
	1441	+ // Check if embedding generation returned an error
	1442	+ if (is_array($user_embedding) && isset($user_embedding['error'])) {
	1443	+ $error_message = $user_embedding['error'];
	1444	+ $error_code = $user_embedding['error_code'] ?? 'embedding_error';
	1445	+
	1446	+ wp_send_json_error([
	1447	+ 'error_message' => $error_message,
	1448	+ 'error_code' => $error_code
	1449	+ ]);
	1450	+ wp_die();
979	1451	}
980		- //error_log('✅ MXCHAT DEBUG: User embedding generated successfully');
981	1452
	1453	+ // Check if embedding is valid
	1454	+ if (!is_array($user_embedding) || empty($user_embedding)) {
	1455	+ wp_send_json_error([
	1456	+ 'error_message' => esc_html__('Unable to process your message. The embedding service is not responding correctly.', 'mxchat'),
	1457	+ 'error_code' => 'invalid_embedding'
	1458	+ ]);
	1459	+ wp_die();
	1460	+ }
	1461	+
982	1462	// Fetch intents from the database
983	1463	$table_name = $wpdb->prefix . 'mxchat_intents';
984	1464	if ($chat_mode === 'agent') {
985		- //error_log('🔍 MXCHAT DEBUG: Agent mode - fetching only chatbot switch intent');
986	1465	$query = $wpdb->prepare(
987		- "SELECT * FROM $table_name WHERE callback_function = %s",
	1466	+ "SELECT * FROM $table_name WHERE callback_function = %s AND (enabled = 1 OR enabled IS NULL)",
988	1467	'mxchat_handle_switch_to_chatbot_intent'
989	1468	);
990	1469	$intents = $wpdb->get_results($query);
991	1470	} else {
992		- //error_log('🔍 MXCHAT DEBUG: AI mode - fetching all intents');
993		- $intents = $wpdb->get_results("SELECT * FROM $table_name");
	1471	+ $intents = $wpdb->get_results("SELECT * FROM $table_name WHERE enabled = 1 OR enabled IS NULL");
994	1472	}
995	1473
996		- //error_log('🔍 MXCHAT DEBUG: Found ' . count($intents) . ' intents to check');
997		-
998	1474	if (empty($intents)) {
999		- //error_log('❌ MXCHAT DEBUG: No intents found in database');
1000	1475	return false;
1001	1476	}
1002	1477
1003	1478	$highest_similarity = -INF;
		@@ -1002,11 +1477,17 @@
1002	1477
1003	1478	$highest_similarity = -INF;
1004	1479	$matched_intent = null;
1005	1480
1006		- //error_log('📊 MXCHAT DEBUG: Intent Similarity Scores ==================');
	1481	+ // NEW: Array to store action analysis for testing panel
	1482	+ $action_analysis = [];
	1483	+
1007	1484	foreach ($intents as $intent) {
1008		- //error_log("🔄 MXCHAT DEBUG: Checking intent: '{$intent->intent_label}' (callback: {$intent->callback_function})");
	1485	+ // Additional check for enabled state
	1486	+ $is_enabled = isset($intent->enabled) ? (bool)$intent->enabled : true;
	1487	+ if (!$is_enabled) {
	1488	+ continue;
	1489	+ }
1009	1490
1010	1491	$intent_embedding_serialized = $intent->embedding_vector;
1011	1492	$intent_embedding = $intent_embedding_serialized
1012	1493	? unserialize($intent_embedding_serialized, ['allowed_classes' => false])
		@@ -1012,9 +1493,8 @@
1012	1493	? unserialize($intent_embedding_serialized, ['allowed_classes' => false])
1013	1494	: null;
1014	1495
1015	1496	if (!is_array($intent_embedding)) {
1016		- //error_log("❌ MXCHAT DEBUG: Invalid embedding for intent: {$intent->intent_label}");
1017	1497	continue;
1018	1498	}
1019	1499
1020	1500	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $intent_embedding);
		@@ -1019,34 +1499,56 @@
1019	1499
1020	1500	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $intent_embedding);
1021	1501	$intent_threshold = isset($intent->similarity_threshold) ? $intent->similarity_threshold : 0.85;
1022	1502
	1503	+ // NEW: Store action analysis data for testing panel
	1504	+ $action_analysis[] = [
	1505	+ 'intent_label' => $intent->intent_label,
	1506	+ 'callback_function' => $intent->callback_function,
	1507	+ 'similarity' => round($similarity, 4),
	1508	+ 'similarity_percentage' => round($similarity * 100, 2),
	1509	+ 'threshold' => $intent_threshold,
	1510	+ 'threshold_percentage' => round($intent_threshold * 100, 2),
	1511	+ 'above_threshold' => $similarity >= $intent_threshold,
	1512	+ 'triggered' => false // Will be updated below if this intent is triggered
	1513	+ ];
1023	1514
1024	1515	if ($similarity >= $intent_threshold && $similarity > $highest_similarity) {
1025	1516	$highest_similarity = $similarity;
1026	1517	$matched_intent = $intent;
1027		- //error_log("✅ MXCHAT DEBUG: New best match: '{$intent->intent_label}' with similarity {$similarity}");
1028	1518	}
1029	1519	}
1030		- //error_log('📊 MXCHAT DEBUG: End Intent Scores ==================');
1031	1520
	1521	+ // NEW: Mark the triggered action if any
1032	1522	if ($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		-
	1523	+ foreach ($action_analysis as &$action) {
	1524	+ if ($action['intent_label'] === $matched_intent->intent_label) {
	1525	+ $action['triggered'] = true;
	1526	+ break;
	1527	+ }
	1528	+ }
	1529	+ }
	1530	+
	1531	+ // NEW: Sort actions by similarity (highest first) and store for testing panel
	1532	+ usort($action_analysis, function($a, $b) {
	1533	+ return $b['similarity'] <=> $a['similarity'];
	1534	+ });
	1535	+
	1536	+ // Store action analysis for testing panel capture
	1537	+ $this->last_action_analysis = $action_analysis;
	1538	+
	1539	+ if ($matched_intent) {
1036	1540	// If the callback is a method on this instance (core callback), call it directly
1037	1541	if (method_exists($this, $matched_intent->callback_function)) {
1038		- //error_log('🔍 MXCHAT DEBUG: Using direct method call for core callback');
1039	1542	$callback_result = call_user_func(
1040		- [$this, $matched_intent->callback_function],
1041		- $message,
1042		- $user_id,
1043		- $session_id,
1044		- $matched_intent,
1045		- $user_context // Add user context
1046		- );
	1543	+ [$this, $matched_intent->callback_function],
	1544	+ $message,
	1545	+ $user_id,
	1546	+ $session_id,
	1547	+ $matched_intent,
	1548	+ $user_context ?? null
	1549	+ );
1047	1550	} else {
1048		- //error_log('🔍 MXCHAT DEBUG: Using apply_filters for add-on callback');
1049	1551	// Otherwise, use apply_filters for add-on callbacks
1050	1552	$callback_result = apply_filters(
1051	1553	$matched_intent->callback_function,
1052	1554	false, // default return value
		@@ -1056,24 +1558,17 @@
1056	1558	$matched_intent
1057	1559	);
1058	1560	}
1059	1561
1060		- //error_log('🔍 MXCHAT DEBUG: Callback result type: ' . gettype($callback_result));
1061	1562	if ($callback_result !== false) {
1062		- //error_log('✅ MXCHAT DEBUG: Intent handled successfully');
1063	1563	$this->fallbackResponse = $callback_result;
1064	1564	return true;
1065	1565	}
1066		- //error_log('❌ MXCHAT DEBUG: Callback returned false');
1067		- } else {
1068		- //error_log('❌ MXCHAT DEBUG: No matching intent found');
1069	1566	}
1070	1567
1071		- //error_log('🔍 MXCHAT DEBUG: Intent Check Completed ==================');
1072	1568	return false;
1073	1569	}
1074	1570
1075		-
1076	1571	// Helper function to clear PDF and Word document related transients
1077	1572	private function clear_pdf_transients($session_id) {
1078	1573	// PDF transients
1079	1574	delete_transient('mxchat_pdf_url_' . $session_id);
		@@ -1092,61 +1587,76 @@
1092	1587
1093	1588
1094	1589	//verified good
1095	1590	public function mxchat_handle_email_capture($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		-
	1591	+ // Get the user's original instruction/message
	1592	+ $user_instruction = esc_html($this->options['triggered_phrase_response'] ?? esc_html__("Please provide your email address.", 'mxchat'));
	1593	+
	1594	+ // Set instruction for AI - just pass along what the user wanted to say
	1595	+ $this->current_action_instruction = $user_instruction;
	1596	+
	1597	+ // Set the transient to track email capture flow
1102	1598	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' => $response]);
1107		- wp_die();
	1599	+
	1600	+ // Return false to let the AI generate the response
	1601	+ return false;
1108	1602	}
1109	1603
1110		-//very good
1111	1604	public function mxchat_generate_image($message, $user_id, $session_id) {
	1605	+ //error_log("Starting image generation for message: " . $message);
	1606	+
1112	1607	// Prepare a prompt for DALL-E
1113	1608	$prompt = esc_html__('Create an image of ', 'mxchat') . sanitize_text_field($message);
1114		-
	1609	+
1115	1610	// Use the existing OpenAI API key
1116	1611	$openai_api_key = sanitize_text_field($this->options['api_key']);
1117		-
	1612	+
1118	1613	// Call DALL-E to generate an image
1119	1614	$image_response = $this->mxchat_generate_dalle_image($prompt, $openai_api_key);
1120		-
	1615	+
1121	1616	// Check if the response contains an image URL
1122	1617	if (isset($image_response['imageUrl'])) {
1123	1618	$image_url = esc_url_raw($image_response['imageUrl']);
1124		-
	1619	+
1125	1620	// Construct the HTML with a CSS class instead of inline styles
1126	1621	$response_html = '<img src="' . esc_url($image_url) . '" alt="' . esc_attr__('Generated Image', 'mxchat') . '" class="mxchat-generated-image" />';
	1622	+ $response_text = esc_html__('Here is the image I generated:', 'mxchat');
	1623	+
	1624	+ // Save the bot message with both text and HTML
	1625	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	1626	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_html);
	1627	+
	1628	+ // Set the fallback response for the chat handler
	1629	+ $this->fallbackResponse = [
	1630	+ 'text' => $response_text,
	1631	+ 'html' => $response_html,
	1632	+ 'images' => [$image_url]
	1633	+ ];
	1634	+
	1635	+ // For debugging/verification - Use json_encode to verify what's being set
	1636	+ //error_log("Image generation successful - fallbackResponse set: " . json_encode($this->fallbackResponse));
1127	1637
1128		- $response_text = esc_html__('Here is the image I generated:', 'mxchat');
	1638	+ // Return the response directly instead of relying on the property
	1639	+ return $this->fallbackResponse;
1129	1640	} else {
1130	1641	$response_text = esc_html__("I'm sorry, but I couldn't generate an image based on your request.", 'mxchat');
1131		- $response_html = '';
	1642	+
	1643	+ // Save the error message
	1644	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	1645	+
	1646	+ // Set the fallback response for the chat handler
	1647	+ $this->fallbackResponse = [
	1648	+ 'text' => $response_text,
	1649	+ 'html' => '',
	1650	+ 'images' => []
	1651	+ ];
	1652	+
1132	1653	//error_log("DALL-E image generation error: " . esc_html($image_response['error'] ?? 'Unknown error.'));
	1654	+ //error_log("Error fallbackResponse set: " . json_encode($this->fallbackResponse));
	1655	+
	1656	+ // Return the response directly instead of relying on the property
	1657	+ return $this->fallbackResponse;
1133	1658	}
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	1659	}
1150	1660	private function mxchat_generate_dalle_image($prompt, $api_key, $model = 'dall-e-3', $timeout = 60) {
1151	1661	$api_url = 'https://api.openai.com/v1/images/generations';
1152	1662	$body = json_encode([
		@@ -1185,44 +1695,43 @@
1185	1695
1186	1696	/**
1187	1697	* Handle web search requests.
1188	1698	*
1189		- * Sends the refined search query to the Brave Search API and displays neatly formatted,
1190		- * styled search results. Results are cached for performance.
	1699	+ * Sends the refined search query to the Brave Search API and uses the
	1700	+ * results to generate a conversational response with the AI model.
1191	1701	*
1192	1702	* @since 1.0.0
1193	1703	* @param string $message The user's search query.
1194	1704	* @param string $user_id The user identifier.
1195	1705	* @param string $session_id The current session ID.
1196		- * @return void
	1706	+ * @return array Response array containing text with embedded HTML links
1197	1707	*/
1198		-public function mxchat_handle_search_request( $message, $user_id, $session_id ) {
	1708	+public function mxchat_handle_search_request($message, $user_id, $session_id) {
1199	1709	// 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' ),
	1710	+ $refined_search_query = $this->mxchat_interpret_search_query($message);
	1711	+ if (empty($refined_search_query)) {
	1712	+ return array(
	1713	+ 'text' => esc_html__('I apologize, but could you please rephrase your search request?', 'mxchat'),
	1714	+ 'html' => ''
1205	1715	);
1206		- return;
1207	1716	}
1208		-
	1717	+
1209	1718	// 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' ),
	1719	+ $options = get_option('mxchat_options');
	1720	+ $api_key = isset($options['brave_api_key']) ? sanitize_text_field($options['brave_api_key']) : '';
	1721	+ $results_count = isset($options['brave_results_count']) ? absint($options['brave_results_count']) : 5;
	1722	+
	1723	+ if (empty($api_key)) {
	1724	+ return array(
	1725	+ 'text' => esc_html__('Search functionality is temporarily unavailable. Please try again later.', 'mxchat'),
	1726	+ 'html' => ''
1217	1727	);
1218		- return;
1219	1728	}
1220		-
	1729	+
1221	1730	// Build the API request URL
1222	1731	$api_url = add_query_arg(
1223	1732	array(
1224		- 'q' => rawurlencode( $refined_search_query ),
	1733	+ 'q' => rawurlencode($refined_search_query),
1225	1734	'count' => $results_count,
1226	1735	'text_decorations' => 'true',
1227	1736	'rich_data' => 'true',
1228	1737	),
		@@ -1227,14 +1736,14 @@
1227	1736	'rich_data' => 'true',
1228	1737	),
1229	1738	'https://api.search.brave.com/res/v1/web/search'
1230	1739	);
1231		-
	1740	+
1232	1741	// 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 ) {
	1742	+ $transient_key = 'mxchat_search_' . md5($refined_search_query);
	1743	+ $results = get_transient($transient_key);
	1744	+
	1745	+ if (false === $results) {
1237	1746	// Fetch new results from the Brave Search API
1238	1747	$response = wp_remote_get(
1239	1748	$api_url,
1240	1749	array(
		@@ -1245,162 +1754,98 @@
1245	1754	),
1246	1755	'timeout' => 10,
1247	1756	)
1248	1757	);
1249		-
1250		- if ( is_wp_error( $response ) ) {
1251		- $this->fallbackResponse = array(
1252		- 'text' => esc_html__( 'I encountered an error while searching. Please try again.', 'mxchat' ),
	1758	+
	1759	+ if (is_wp_error($response)) {
	1760	+ return array(
	1761	+ 'text' => esc_html__('I encountered an error while searching. Please try again.', 'mxchat'),
	1762	+ 'html' => ''
1253	1763	);
1254		- return;
1255	1764	}
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' ),
	1765	+
	1766	+ $results = json_decode(wp_remote_retrieve_body($response), true);
	1767	+
	1768	+ if (json_last_error() !== JSON_ERROR_NONE) {
	1769	+ return array(
	1770	+ 'text' => esc_html__('I received an invalid response from the search service.', 'mxchat'),
	1771	+ 'html' => ''
1262	1772	);
1263		- return;
1264	1773	}
1265		-
	1774	+
1266	1775	// Cache results for one hour
1267		- set_transient( $transient_key, $results, HOUR_IN_SECONDS );
	1776	+ set_transient($transient_key, $results, HOUR_IN_SECONDS);
1268	1777	}
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' => $html,
	1778	+
	1779	+ // Process results
	1780	+ if (!empty($results['web']['results']) && is_array($results['web']['results'])) {
	1781	+ // Create a more straightforward summary with HTML links
	1782	+ $search_results_text = '';
	1783	+
	1784	+ // Add a simple intro
	1785	+ $search_results_text .= sprintf(
	1786	+ esc_html__("Here's what I found about '%s':", 'mxchat'),
	1787	+ esc_html($refined_search_query)
1277	1788	);
1278		-
	1789	+
	1790	+ // Add the top results with HTML links
	1791	+ foreach (array_slice($results['web']['results'], 0, 5) as $result) {
	1792	+ $title = isset($result['title']) ? wp_strip_all_tags($result['title']) : '';
	1793	+ $url = isset($result['url']) ? esc_url($result['url']) : '';
	1794	+ $description = isset($result['description']) ? wp_strip_all_tags($result['description']) : '';
	1795	+
	1796	+ // Add a line break after the intro
	1797	+ $search_results_text .= '<br><br>';
	1798	+
	1799	+ // Add title as a link
	1800	+ $search_results_text .= sprintf(
	1801	+ '<a href="%s" target="_blank" rel="noopener noreferrer">%s</a><br>',
	1802	+ $url,
	1803	+ $title
	1804	+ );
	1805	+
	1806	+ // Add a condensed description
	1807	+ $search_results_text .= sprintf("%s", $description);
	1808	+ }
	1809	+
1279	1810	// Save to chat history
1280		- $this->mxchat_save_chat_message( $session_id, 'bot', $html );
	1811	+ $this->mxchat_save_chat_message($session_id, 'bot', $search_results_text);
	1812	+
	1813	+ // Return the formatted text with embedded HTML links
	1814	+ return array(
	1815	+ 'text' => $search_results_text,
	1816	+ 'html' => ''
	1817	+ );
1281	1818	} else {
1282		- $this->fallbackResponse = array(
	1819	+ return array(
1283	1820	'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( $refined_search_query )
	1821	+ esc_html__('I searched for "%s" but couldn\'t find any relevant results. Would you like to try different search terms?', 'mxchat'),
	1822	+ esc_html($refined_search_query)
1286	1823	),
	1824	+ 'html' => ''
1287	1825	);
1288	1826	}
1289	1827	}
1290	1828
1291		-
	1829	+//very good
1292	1830	/**
1293		- * Format search results into a natural text summary.
	1831	+ * Handle image search requests from the chatbot
1294	1832	*
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.
	1833	+ * @param string $message The user's search query
	1834	+ * @param int $user_id The user's ID
	1835	+ * @param string $session_id The chat session ID
	1836	+ * @return array Response array with text and HTML content
1299	1837	*/
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( $description ); ?>
1379		- </div>
1380		- </div>
1381		- </div>
1382		- <?php endforeach; ?>
1383		- </div>
1384		- <?php
1385		- return ob_get_clean();
1386		-}
1387		-
1388		-
1389		-//very good
1390	1838	public function mxchat_handle_image_search_request($message, $user_id, $session_id) {
1391		-
1392		- // Step 1: Interpret the search query for better results
	1839	+ // Step 1: Interpret the search query using the user's selected AI model
1393	1840	$refined_search_query = $this->mxchat_interpret_search_query($message);
1394	1841
1395		-
1396	1842	// If no query was interpreted, return a fallback message
1397	1843	if (empty($refined_search_query)) {
1398		- $this->fallbackResponse = [
	1844	+ return array(
1399	1845	'text' => __("I'm sorry, I couldn't interpret your search query. Please specify what you'd like to see images of.", 'mxchat'),
1400	1846	'html' => "",
1401		- ];
1402		- return;
	1847	+ );
1403	1848	}
1404	1849
1405	1850	// Brave API URL
1406	1851	$api_url = 'https://api.search.brave.com/res/v1/images/search';
		@@ -1409,19 +1854,12 @@
1409	1854	$options = get_option('mxchat_options');
1410	1855	$api_key = isset($options['brave_api_key']) ? sanitize_text_field($options['brave_api_key']) : '';
1411	1856
1412	1857	if (empty($api_key)) {
1413		-/*
1414		- if (defined('WP_DEBUG') && WP_DEBUG) {
1415		- error_log("Brave API key is missing.");
1416		- }
1417		-*/
1418		-
1419		- $this->fallbackResponse = [
	1858	+ return array(
1420	1859	'text' => __("API key is not configured. Please set it in the Brave Search Settings.", 'mxchat'),
1421	1860	'html' => "",
1422		- ];
1423		- return;
	1861	+ );
1424	1862	}
1425	1863
1426	1864	$image_count = isset($options['brave_image_count']) ? intval($options['brave_image_count']) : 4;
1427	1865	$safe_search = isset($options['brave_safe_search']) ? sanitize_text_field($options['brave_safe_search']) : 'strict';
		@@ -1432,16 +1870,8 @@
1432	1870	'count' => $image_count,
1433	1871	'safesearch' => $safe_search,
1434	1872	], $api_url);
1435	1873
1436		-/*
1437		- // Log the final API URL for the search
1438		- if (defined('WP_DEBUG') && WP_DEBUG) {
1439		- error_log("Final API URL for Brave Image Search: " . esc_url_raw($api_url));
1440		- }
1441		-*/
1442		-
1443		-
1444	1874	// Implement caching
1445	1875	$transient_key = 'mxchat_image_search_' . md5($refined_search_query);
1446	1876	$body = get_transient($transient_key);
1447	1877
		@@ -1457,19 +1887,12 @@
1457	1887
1458	1888	$response = wp_remote_get($api_url, $args);
1459	1889
1460	1890	if (is_wp_error($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 = [
	1891	+ return array(
1468	1892	'text' => __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'),
1469	1893	'html' => "",
1470		- ];
1471		- return;
	1894	+ );
1472	1895	}
1473	1896
1474	1897	$body = json_decode(wp_remote_retrieve_body($response), true);
1475	1898	set_transient($transient_key, $body, HOUR_IN_SECONDS);
		@@ -1477,10 +1900,16 @@
1477	1900
1478	1901	// Process the API response
1479	1902	if (isset($body['results']) && is_array($body['results']) && count($body['results']) > 0) {
1480	1903	$html_output = '<div class="mxchat-image-gallery">';
1481		-
1482		- foreach ($body['results'] as $image) {
	1904	+
	1905	+ // Get the configured image count (1-6)
	1906	+ $display_count = isset($options['brave_image_count']) ? intval($options['brave_image_count']) : 4;
	1907	+ $display_count = min($display_count, count($body['results'])); // Make sure we don't exceed available images
	1908	+
	1909	+ // Use only the requested number of images
	1910	+ for ($i = 0; $i < $display_count; $i++) {
	1911	+ $image = $body['results'][$i];
1483	1912	$image_url = isset($image['url']) ? esc_url($image['url']) : '';
1484	1913	$thumbnail_url = isset($image['thumbnail']['src']) ? esc_url($image['thumbnail']['src']) : '';
1485	1914	$title = isset($image['title']) ? esc_html($image['title']) : esc_html__('Image', 'mxchat');
1486	1915
		@@ -1494,47 +1923,95 @@
1494	1923	}
1495	1924
1496	1925	$html_output .= '</div>';
1497	1926
1498		- $this->fallbackResponse = [
1499		- 'text' => "",
1500		- 'html' => $html_output,
1501		- ];
1502		-
1503		- // Save response in chat history
	1927	+ // Create response text
	1928	+ $response_text = sprintf(__("Here are some images of %s:", 'mxchat'), $refined_search_query);
	1929	+
	1930	+ // Save both response text and HTML to chat history
	1931	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
1504	1932	$this->mxchat_save_chat_message($session_id, 'bot', $html_output);
1505	1933
	1934	+ // Return the combined response
	1935	+ return array(
	1936	+ 'text' => $response_text,
	1937	+ 'html' => $html_output,
	1938	+ );
1506	1939	} else {
1507		-/*
1508		- if (defined('WP_DEBUG') && WP_DEBUG) {
1509		- error_log("Brave Image API response did not contain expected data structure or was empty: " . print_r($body, true));
1510		- }
1511		-*/
1512		-
1513		- $this->fallbackResponse = [
1514		- 'text' => __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat'),
	1940	+ $response_text = __("I'm sorry, I couldn't retrieve any images based on your request.", 'mxchat');
	1941	+
	1942	+ // Save the error message to chat history
	1943	+ $this->mxchat_save_chat_message($session_id, 'bot', $response_text);
	1944	+
	1945	+ return array(
	1946	+ 'text' => $response_text,
1515	1947	'html' => "",
1516		- ];
	1948	+ );
1517	1949	}
1518	1950	}
	1951	+
	1952	+/**
	1953	+ * Interpret the search query using the user's selected AI model
	1954	+ *
	1955	+ * @param string $user_query The original query from the user
	1956	+ * @return string The refined search query
	1957	+ */
1519	1958	public function mxchat_interpret_search_query($user_query) {
1520	1959	$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"));
	1960	+
	1961	+ // Get options and determine the selected model
	1962	+ $options = $this->options ?? get_option('mxchat_options');
	1963	+ $selected_model = isset($options['model']) ? $options['model'] : 'gpt-4o';
	1964	+
	1965	+ // Extract model prefix to determine the provider
	1966	+ $model_parts = explode('-', $selected_model);
	1967	+ $provider = strtolower($model_parts[0]);
	1968	+
	1969	+ // Determine which API key to use based on the provider
	1970	+ switch ($provider) {
	1971	+ case 'gemini':
	1972	+ $api_key = isset($options['gemini_api_key']) ? sanitize_text_field($options['gemini_api_key']) : '';
	1973	+ if (empty($api_key)) {
	1974	+ return sanitize_text_field($user_query); // Default to original query if API key missing
	1975	+ }
	1976	+ return $this->interpret_query_with_gemini($user_query, $system_prompt, $api_key, $selected_model);
	1977	+
	1978	+ case 'claude':
	1979	+ $api_key = isset($options['claude_api_key']) ? sanitize_text_field($options['claude_api_key']) : '';
	1980	+ if (empty($api_key)) {
	1981	+ return sanitize_text_field($user_query);
	1982	+ }
	1983	+ return $this->interpret_query_with_claude($user_query, $system_prompt, $api_key, $selected_model);
	1984	+
	1985	+ case 'grok':
	1986	+ $api_key = isset($options['xai_api_key']) ? sanitize_text_field($options['xai_api_key']) : '';
	1987	+ if (empty($api_key)) {
	1988	+ return sanitize_text_field($user_query);
	1989	+ }
	1990	+ return $this->interpret_query_with_xai($user_query, $system_prompt, $api_key, $selected_model);
	1991	+
	1992	+ case 'deepseek':
	1993	+ $api_key = isset($options['deepseek_api_key']) ? sanitize_text_field($options['deepseek_api_key']) : '';
	1994	+ if (empty($api_key)) {
	1995	+ return sanitize_text_field($user_query);
	1996	+ }
	1997	+ return $this->interpret_query_with_deepseek($user_query, $system_prompt, $api_key, $selected_model);
	1998	+
	1999	+ case 'gpt':
	2000	+ default:
	2001	+ // Default to OpenAI for custom models or unrecognized prefixes
	2002	+ $api_key = isset($options['api_key']) ? sanitize_text_field($options['api_key']) : '';
	2003	+ if (empty($api_key)) {
	2004	+ return sanitize_text_field($user_query);
	2005	+ }
	2006	+ return $this->interpret_query_with_openai($user_query, $system_prompt, $api_key, $selected_model);
1529	2007	}
1530		- */
	2008	+}
1531	2009
1532		- if (empty($api_key)) {
1533		- //error_log("OpenAI API key is missing.");
1534		- return sanitize_text_field($user_query); // Default to the original query if API key is missing
1535		- }
1536		-
	2010	+/**
	2011	+ * Interpret query using OpenAI models
	2012	+ */
	2013	+private function interpret_query_with_openai($user_query, $system_prompt, $api_key, $model = 'gpt-4o') {
1537	2014	$url = 'https://api.openai.com/v1/chat/completions';
1538	2015	$args = [
1539	2016	'headers' => [
1540	2017	'Authorization' => 'Bearer ' . $api_key,
		@@ -1540,9 +2017,9 @@
1540	2017	'Authorization' => 'Bearer ' . $api_key,
1541	2018	'Content-Type' => 'application/json',
1542	2019	],
1543	2020	'body' => wp_json_encode([
1544		- 'model' => 'gpt-3.5-turbo',
	2021	+ 'model' => $model,
1545	2022	'messages' => [
1546	2023	['role' => 'system', 'content' => $system_prompt],
1547	2024	['role' => 'user', 'content' => sanitize_text_field($user_query)],
1548	2025	],
		@@ -1549,166 +2026,178 @@
1549	2026	'temperature' => 0.2,
1550	2027	'max_tokens' => 20,
1551	2028	]),
1552	2029	'method' => 'POST',
	2030	+ 'timeout' => 15,
1553	2031	];
1554	2032
1555	2033	$response = wp_remote_post($url, $args);
1556		-
1557	2034	if (is_wp_error($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
	2035	+ return sanitize_text_field($user_query);
1560	2036	}
1561	2037
1562	2038	$body = json_decode(wp_remote_retrieve_body($response), true);
	2039	+ return isset($body['choices'][0]['message']['content'])
	2040	+ ? sanitize_text_field(trim($body['choices'][0]['message']['content']))
	2041	+ : sanitize_text_field($user_query);
	2042	+}
1563	2043
1564		- // Check for a valid response and sanitize output
1565		- if (isset($body['choices'][0]['message']['content'])) {
1566		- $interpreted_query = sanitize_text_field(trim($body['choices'][0]['message']['content']));
	2044	+/**
	2045	+ * Interpret query using Claude models
	2046	+ */
	2047	+private function interpret_query_with_claude($user_query, $system_prompt, $api_key, $model) {
	2048	+ $url = 'https://api.anthropic.com/v1/messages';
	2049	+
	2050	+ $args = [
	2051	+ 'headers' => [
	2052	+ 'Content-Type' => 'application/json',
	2053	+ 'x-api-key' => $api_key,
	2054	+ 'anthropic-version' => '2023-06-01',
	2055	+ ],
	2056	+ 'body' => wp_json_encode([
	2057	+ 'model' => $model,
	2058	+ 'system' => $system_prompt,
	2059	+ 'messages' => [
	2060	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)]
	2061	+ ],
	2062	+ 'max_tokens' => 20,
	2063	+ 'temperature' => 0.2,
	2064	+ ]),
	2065	+ 'method' => 'POST',
	2066	+ 'timeout' => 15,
	2067	+ ];
1567	2068
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		- */
	2069	+ $response = wp_remote_post($url, $args);
	2070	+ if (is_wp_error($response)) {
	2071	+ return sanitize_text_field($user_query);
	2072	+ }
1574	2073
1575		- return $interpreted_query;
1576		- } else {
1577		- //error_log("Unexpected API response format: " . print_r($body, true));
1578		- return sanitize_text_field($user_query);
	2074	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2075	+ if (!empty($body['content'][0]['text'])) {
	2076	+ return sanitize_text_field(trim($body['content'][0]['text']));
1579	2077	}
	2078	+
	2079	+ return sanitize_text_field($user_query);
1580	2080	}
1581	2081
1582		-
1583		-
1584		-private function find_product_in_message($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;
	2082	+/**
	2083	+ * Interpret query using Gemini models
	2084	+ */
	2085	+private function interpret_query_with_gemini($user_query, $system_prompt, $api_key, $model) {
	2086	+ // Strip "gemini-" prefix for the API
	2087	+ $model_version = str_replace('gemini-', '', $model);
	2088	+
	2089	+ $url = "https://generativelanguage.googleapis.com/v1/models/$model_version:generateContent?key=" . urlencode($api_key);
	2090	+
	2091	+ $args = [
	2092	+ 'headers' => [
	2093	+ 'Content-Type' => 'application/json',
	2094	+ ],
	2095	+ 'body' => wp_json_encode([
	2096	+ 'contents' => [
	2097	+ [
	2098	+ 'role' => 'user',
	2099	+ 'parts' => [
	2100	+ ['text' => $system_prompt . "\n\nQuery: " . sanitize_text_field($user_query)]
	2101	+ ]
	2102	+ ]
	2103	+ ],
	2104	+ 'generationConfig' => [
	2105	+ 'temperature' => 0.2,
	2106	+ 'maxOutputTokens' => 20,
	2107	+ ],
	2108	+ ]),
	2109	+ 'method' => 'POST',
	2110	+ 'timeout' => 15,
	2111	+ ];
	2112	+
	2113	+ $response = wp_remote_post($url, $args);
	2114	+ if (is_wp_error($response)) {
	2115	+ return sanitize_text_field($user_query);
1591	2116	}
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;
	2117	+
	2118	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2119	+ if (!empty($body['candidates'][0]['content']['parts'][0]['text'])) {
	2120	+ return sanitize_text_field(trim($body['candidates'][0]['content']['parts'][0]['text']));
1599	2121	}
	2122	+
	2123	+ return sanitize_text_field($user_query);
	2124	+}
1600	2125
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 $product_id;
1630		- }
1631		- }
1632		- }
	2126	+/**
	2127	+ * Interpret query using X.AI (Grok) models
	2128	+ */
	2129	+private function interpret_query_with_xai($user_query, $system_prompt, $api_key, $model) {
	2130	+ $url = 'https://api.xai.com/v1/chat/completions';
	2131	+
	2132	+ $args = [
	2133	+ 'headers' => [
	2134	+ 'Content-Type' => 'application/json',
	2135	+ 'Authorization' => 'Bearer ' . $api_key,
	2136	+ ],
	2137	+ 'body' => wp_json_encode([
	2138	+ 'model' => $model,
	2139	+ 'messages' => [
	2140	+ ['role' => 'system', 'content' => $system_prompt],
	2141	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)],
	2142	+ ],
	2143	+ 'temperature' => 0.2,
	2144	+ 'max_tokens' => 20,
	2145	+ ]),
	2146	+ 'method' => 'POST',
	2147	+ 'timeout' => 15,
	2148	+ ];
	2149	+
	2150	+ $response = wp_remote_post($url, $args);
	2151	+ if (is_wp_error($response)) {
	2152	+ return sanitize_text_field($user_query);
1633	2153	}
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		- }
	2154	+
	2155	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2156	+ if (isset($body['choices'][0]['message']['content'])) {
	2157	+ return sanitize_text_field(trim($body['choices'][0]['message']['content']));
1649	2158	}
1650		-
1651		- // If no product is found after all checks, set the fallback response
1652		- $this->fallbackResponse['text'] = esc_html__("I couldn't find any relevant products based on your query. Try to be more specific", 'mxchat');
1653		- return null;
	2159	+
	2160	+ return sanitize_text_field($user_query);
1654	2161	}
1655	2162
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		- $context_string .= esc_html__("\nPlease apologize to the user and suggest they try again or ask for assistance.", 'mxchat');
1701		- break;
1702		- }
1703		- }
1704		- break;
	2163	+/**
	2164	+ * Interpret query using DeepSeek models
	2165	+ */
	2166	+private function interpret_query_with_deepseek($user_query, $system_prompt, $api_key, $model) {
	2167	+ $url = 'https://api.deepseek.com/v1/chat/completions';
	2168	+
	2169	+ $args = [
	2170	+ 'headers' => [
	2171	+ 'Content-Type' => 'application/json',
	2172	+ 'Authorization' => 'Bearer ' . $api_key,
	2173	+ ],
	2174	+ 'body' => wp_json_encode([
	2175	+ 'model' => $model,
	2176	+ 'messages' => [
	2177	+ ['role' => 'system', 'content' => $system_prompt],
	2178	+ ['role' => 'user', 'content' => sanitize_text_field($user_query)],
	2179	+ ],
	2180	+ 'temperature' => 0.2,
	2181	+ 'max_tokens' => 20,
	2182	+ ]),
	2183	+ 'method' => 'POST',
	2184	+ 'timeout' => 15,
	2185	+ ];
	2186	+
	2187	+ $response = wp_remote_post($url, $args);
	2188	+ if (is_wp_error($response)) {
	2189	+ return sanitize_text_field($user_query);
1705	2190	}
1706		-
1707		- return $context_string;
	2191	+
	2192	+ $body = json_decode(wp_remote_retrieve_body($response), true);
	2193	+ if (isset($body['choices'][0]['message']['content'])) {
	2194	+ return sanitize_text_field(trim($body['choices'][0]['message']['content']));
	2195	+ }
	2196	+
	2197	+ return sanitize_text_field($user_query);
1708	2198	}
1709	2199
1710		-
1711	2200	//very good
1712	2201	private function add_email_to_loops($email) {
1713	2202	// Sanitize the email
1714	2203	$email = sanitize_email($email);
		@@ -1792,95 +2281,169 @@
1792	2281
1793	2282	// Default to proceeding with conversation if no specific PDF action is needed
1794	2283	$this->fallbackResponse['text'] = '';
1795	2284	}
	2285	+
	2286	+
	2287	+/**
	2288	+ * Enhanced fetch_and_split_pdf_pages with detailed debugging
	2289	+ */
1796	2290	private function fetch_and_split_pdf_pages($pdf_source, $max_pages) {
	2291	+ // CLEAR DEBUG LOGGING
	2292	+ //error_log("=== MXCHAT PDF PROCESSING START ===");
	2293	+ //error_log("PDF Source: " . $pdf_source);
	2294	+ //error_log("Max Pages: " . $max_pages);
	2295	+ //error_log("Session ID: " . ($this->session_id ?? 'not set'));
	2296	+
	2297	+ // Check if Advanced Claude Toolbar is available and enabled
	2298	+ $claude_available = function_exists('mxchatACT_is_advanced_claude_enabled');
	2299	+ $claude_enabled = $claude_available ? mxchatACT_is_advanced_claude_enabled() : false;
	2300	+
	2301	+ //error_log("Claude Function Available: " . ($claude_available ? 'YES' : 'NO'));
	2302	+ //error_log("Claude Enabled: " . ($claude_enabled ? 'YES' : 'NO'));
	2303	+
	2304	+ if ($claude_available && $claude_enabled) {
	2305	+ //error_log("🚀 ATTEMPTING CLAUDE PROCESSING...");
	2306	+
	2307	+ // Attempt Claude processing first
	2308	+ $claude_result = apply_filters('mxchat_process_pdf_advanced', false, $pdf_source, $max_pages, $this->session_id);
	2309	+
	2310	+ if ($claude_result !== false && is_array($claude_result) && !empty($claude_result)) {
	2311	+ //error_log("✅ CLAUDE PROCESSING SUCCESSFUL!");
	2312	+ //error_log("Claude returned " . count($claude_result) . " processed pages");
	2313	+
	2314	+ // Log first page details for verification
	2315	+ if (isset($claude_result[0])) {
	2316	+ $first_page = $claude_result[0];
	2317	+ //error_log("First page enhanced: " . (isset($first_page['enhanced']) && $first_page['enhanced'] ? 'YES' : 'NO'));
	2318	+ //error_log("Processing method: " . ($first_page['processing_method'] ?? 'not set'));
	2319	+ //error_log("First page text preview: " . substr($first_page['text'] ?? '', 0, 100) . "...");
	2320	+ }
	2321	+
	2322	+ //error_log("=== MXCHAT PDF PROCESSING END (CLAUDE) ===");
	2323	+ return $claude_result;
	2324	+ } else {
	2325	+ //error_log("❌ CLAUDE PROCESSING FAILED or returned invalid result");
	2326	+ //error_log("Claude result type: " . gettype($claude_result));
	2327	+ if (is_array($claude_result)) {
	2328	+ //error_log("Claude result count: " . count($claude_result));
	2329	+ }
	2330	+ }
	2331	+ }
	2332	+
	2333	+ // Fallback to basic processing
	2334	+ //error_log("🔄 FALLING BACK TO BASIC PDF PROCESSING...");
	2335	+
1797	2336	$upload_dir = wp_upload_dir();
1798	2337	$temp_file = null;
1799		-
	2338	+
1800	2339	try {
1801		- // Handle URL vs local file
	2340	+ // Your existing basic processing code here...
	2341	+ // (I'll include the key parts with debug logging)
	2342	+
1802	2343	if (filter_var($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		-
	2344	+ //error_log("Downloading PDF from URL...");
	2345	+ $temp_file = wp_tempnam($pdf_source);
	2346	+ $response = wp_remote_get($pdf_source, [
	2347	+ 'timeout' => 60,
	2348	+ 'headers' => ['User-Agent' => 'MxChat PDF Processor']
	2349	+ ]);
	2350	+
1807	2351	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));
	2352	+ $error_message = is_wp_error($response) ? $response->get_error_message() : 'HTTP ' . wp_remote_retrieve_response_code($response);
	2353	+ //error_log("❌ BASIC PROCESSING: Failed to download PDF: " . $error_message);
1809	2354	return false;
1810	2355	}
1811		-
	2356	+
1812	2357	file_put_contents($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		- }
	2358	+ //error_log("✅ PDF downloaded successfully");
1821	2359	} else {
1822		- // For local files, use the provided path directly
1823	2360	$temp_file = $pdf_source;
	2361	+ //error_log("Using local PDF file: " . $temp_file);
1824	2362	}
1825		-
1826		- // Parse and process the PDF
	2363	+
	2364	+ // Parse PDF
	2365	+ //error_log("Parsing PDF with basic parser...");
1827	2366	$parser = new \Smalot\PdfParser\Parser();
1828	2367	$pdf = $parser->parseFile($temp_file);
1829	2368	$pages = $pdf->getPages();
1830		-
	2369	+
	2370	+ //error_log("PDF contains " . count($pages) . " pages");
	2371	+
1831	2372	if (count($pages) > $max_pages) {
1832		- //error_log(esc_html__("PDF exceeds the maximum allowed pages: ", 'mxchat') . count($pages));
1833		- if (filter_var($pdf_source, FILTER_VALIDATE_URL)) {
	2373	+ //error_log("❌ BASIC PROCESSING: Too many pages (" . count($pages) . " > " . $max_pages . ")");
	2374	+ if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file) {
1834	2375	unlink($temp_file);
1835	2376	}
1836		- return esc_html__('too_many_pages', 'mxchat');
	2377	+ return 'too_many_pages';
1837	2378	}
1838		-
	2379	+
1839	2380	$embeddings = [];
	2381	+ $processed_pages = 0;
	2382	+
1840	2383	foreach ($pages as $page_number => $page) {
1841	2384	$text = $page->getText();
1842		-
1843		- // Ensure text is non-empty before generating embeddings
	2385	+
1844	2386	if (empty(trim($text))) {
1845		- //error_log(esc_html__("Skipping empty page: ", 'mxchat') . ($page_number + 1));
	2387	+ //error_log("Skipping empty page: " . ($page_number + 1));
1846	2388	continue;
1847	2389	}
1848		-
	2390	+
	2391	+ $text = $this->mxchat_clean_text($text);
	2392	+
1849	2393	$embedding = $this->mxchat_generate_embedding(
1850		- esc_html__("Page ", 'mxchat') . ($page_number + 1) . ": " . $text,
	2394	+ __("Page ", 'mxchat') . ($page_number + 1) . ": " . $text,
1851	2395	$this->options['api_key']
1852	2396	);
1853		-
	2397	+
1854	2398	if ($embedding) {
1855	2399	$embeddings[] = [
1856	2400	'page_number' => $page_number + 1,
1857	2401	'embedding' => $embedding,
1858	2402	'text' => $text,
	2403	+ 'enhanced' => false, // CLEARLY MARK AS BASIC
	2404	+ 'processing_method' => 'basic_pdf_parser'
1859	2405	];
1860		- } else {
1861		- //error_log(esc_html__("Failed to generate embedding for page ", 'mxchat') . ($page_number + 1));
	2406	+ $processed_pages++;
1862	2407	}
1863	2408	}
1864		-
1865		- // Clean up downloaded file if it was from URL
1866		- if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file) {
	2409	+
	2410	+ //error_log("✅ BASIC PROCESSING COMPLETE: " . $processed_pages . " pages processed");
	2411	+
	2412	+ // Cleanup
	2413	+ if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file && file_exists($temp_file)) {
1867	2414	unlink($temp_file);
1868	2415	}
1869		-
	2416	+
	2417	+ //error_log("=== MXCHAT PDF PROCESSING END (BASIC) ===");
1870	2418	return $embeddings;
1871		-
	2419	+
1872	2420	} catch (\Exception $e) {
1873		- // error_log(esc_html__("Error parsing or processing PDF: ", 'mxchat') . $e->getMessage());
1874		-
1875		- // Cleanup in case of exception
	2421	+ //error_log("❌ BASIC PROCESSING ERROR: " . $e->getMessage());
1876	2422	if (filter_var($pdf_source, FILTER_VALIDATE_URL) && $temp_file && file_exists($temp_file)) {
1877	2423	unlink($temp_file);
1878	2424	}
1879		-
	2425	+ //error_log("=== MXCHAT PDF PROCESSING END (ERROR) ===");
1880	2426	return false;
1881	2427	}
1882	2428	}
	2429	+
	2430	+private function mxchat_clean_text($text) {
	2431	+ // Remove excessive whitespace
	2432	+ $text = preg_replace('/\s+/', ' ', $text);
	2433	+
	2434	+ // Remove control characters except newlines and tabs
	2435	+ $text = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/', '', $text);
	2436	+
	2437	+ // Normalize line endings
	2438	+ $text = str_replace(["\r\n", "\r"], "\n", $text);
	2439	+
	2440	+ // Trim whitespace
	2441	+ $text = trim($text);
	2442	+
	2443	+ return $text;
	2444	+}
	2445	+
1883	2446	private function find_relevant_pdf_pages($query_embedding, $embeddings) {
1884	2447	//error_log(esc_html__("find_relevant_pdf_pages called.", 'mxchat'));
1885	2448
1886	2449	$most_relevant = null;
		@@ -2038,10 +2601,8 @@
2038	2601	'new_messages' => array_values($new_messages)
2039	2602	]);
2040	2603	wp_die();
2041	2604	}
2042		-
2043		-
2044	2605	public function mxchat_live_agent_handover($message, $user_id, $session_id) {
2045	2606	// First check if live agents are available
2046	2607	$live_agent_available = $this->options['live_agent_status'] ?? 'off';
2047	2608	if ($live_agent_available !== 'on') {
		@@ -2060,18 +2621,101 @@
2060	2621	]);
2061	2622	wp_die();
2062	2623	}
2063	2624
2064		- $slack_webhook_url = $this->options['live_agent_webhook_url'] ?? '';
2065		- if (empty($slack_webhook_url)) {
	2625	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	2626	+
	2627	+ if (empty($slack_bot_token)) {
2066	2628	return false;
2067	2629	}
2068	2630
2069		- // Get recent chat history (last 5 messages)
	2631	+ // Check if channel already exists for this session
	2632	+ $channel_id = get_option("mxchat_channel_{$session_id}", '');
	2633	+
	2634	+ if (empty($channel_id)) {
	2635	+ // Create new channel with session ID as name
	2636	+ $channel_name = $this->generate_channel_name($session_id);
	2637	+
	2638	+ //error_log("Attempting to create channel: $channel_name");
	2639	+
	2640	+ $response = wp_remote_post('https://slack.com/api/conversations.create', [
	2641	+ 'headers' => [
	2642	+ 'Content-Type' => 'application/json',
	2643	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	2644	+ ],
	2645	+ 'body' => json_encode([
	2646	+ 'name' => $channel_name,
	2647	+ 'is_private' => false // Public channel - anyone in workspace can join
	2648	+ ])
	2649	+ ]);
	2650	+
	2651	+ if (!is_wp_error($response)) {
	2652	+ $response_body = wp_remote_retrieve_body($response);
	2653	+ $response_data = json_decode($response_body, true);
	2654	+
	2655	+ //error_log("Channel creation response: " . $response_body);
	2656	+
	2657	+ if (isset($response_data['ok']) && $response_data['ok']) {
	2658	+ $channel_id = $response_data['channel']['id'];
	2659	+ $actual_channel_name = $response_data['channel']['name'] ?? 'unknown';
	2660	+ //error_log("Channel created successfully: ID=$channel_id, Name=$actual_channel_name");
	2661	+ update_option("mxchat_channel_{$session_id}", $channel_id);
	2662	+
	2663	+ // Auto-invite agents to the channel
	2664	+ $agent_user_ids = $this->options['live_agent_user_ids'] ?? '';
	2665	+
	2666	+ if (!empty($agent_user_ids)) {
	2667	+ // Parse user IDs (one per line)
	2668	+ $user_ids = array_filter(array_map('trim', explode("\n", $agent_user_ids)));
	2669	+
	2670	+ foreach ($user_ids as $user_id_to_invite) {
	2671	+ //error_log("Inviting user to channel: $user_id_to_invite");
	2672	+
	2673	+ $invite_response = wp_remote_post('https://slack.com/api/conversations.invite', [
	2674	+ 'headers' => [
	2675	+ 'Content-Type' => 'application/json',
	2676	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	2677	+ ],
	2678	+ 'body' => json_encode([
	2679	+ 'channel' => $channel_id,
	2680	+ 'users' => $user_id_to_invite
	2681	+ ])
	2682	+ ]);
	2683	+
	2684	+ if (!is_wp_error($invite_response)) {
	2685	+ $invite_body = wp_remote_retrieve_body($invite_response);
	2686	+ $invite_data = json_decode($invite_body, true);
	2687	+ //error_log("Invite response for $user_id_to_invite: " . $invite_body);
	2688	+
	2689	+ if (isset($invite_data['ok']) && $invite_data['ok']) {
	2690	+ //error_log("Successfully invited user $user_id_to_invite to channel");
	2691	+ } else {
	2692	+ //error_log("Failed to invite user $user_id_to_invite: " . ($invite_data['error'] ?? 'Unknown error'));
	2693	+ }
	2694	+ } else {
	2695	+ //error_log("WP Error inviting user $user_id_to_invite: " . $invite_response->get_error_message());
	2696	+ }
	2697	+ }
	2698	+ } else {
	2699	+ //error_log("No agent user IDs configured for auto-invite");
	2700	+ }
	2701	+ } else {
	2702	+ //error_log("Channel creation failed: " . ($response_data['error'] ?? 'Unknown error'));
	2703	+ }
	2704	+ } else {
	2705	+ //error_log("WP Error creating channel: " . $response->get_error_message());
	2706	+ }
	2707	+
	2708	+ if (empty($channel_id)) {
	2709	+ return false; // Failed to create channel
	2710	+ }
	2711	+ }
	2712	+
	2713	+ // Get recent chat history
2070	2714	$history = get_option("mxchat_history_{$session_id}", []);
2071		- $recent_history = array_slice($history, -5); // Get last 5 messages
	2715	+ $recent_history = array_slice($history, -5);
2072	2716
2073		- // Format conversation history
	2717	+ // Format conversation context
2074	2718	$conversation_context = "";
2075	2719	if (!empty($recent_history)) {
2076	2720	$conversation_context = "*Recent Conversation:*\n";
2077	2721	foreach ($recent_history as $hist_message) {
		@@ -2082,83 +2726,32 @@
2082	2726	}
2083	2727
2084	2728	update_option("mxchat_mode_{$session_id}", 'agent');
2085	2729
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
	2730	+ // Send message to channel
	2731	+ $channel_message = "🔔 *New Live Agent Request*\n\n";
	2732	+ $channel_message .= "*Session ID:* `{$session_id}`\n";
	2733	+ $channel_message .= "*User ID:* `{$user_id}`\n\n";
	2734	+
2113	2735	if (!empty($conversation_context)) {
2114		- $webhook_data['blocks'][] = [
2115		- 'type' => 'section',
2116		- 'text' => [
2117		- 'type' => 'mrkdwn',
2118		- 'text' => $conversation_context
2119		- ]
2120		- ];
	2736	+ $channel_message .= $conversation_context;
2121	2737	}
	2738	+
	2739	+ $channel_message .= "*Current Message:*\n{$message}\n\n";
	2740	+ $channel_message .= "_Reply directly in this channel - all messages will go to the user_";
2122	2741
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),
	2742	+ wp_remote_post('https://slack.com/api/chat.postMessage', [
2152	2743	'headers' => [
2153	2744	'Content-Type' => 'application/json',
	2745	+ 'Authorization' => 'Bearer ' . $slack_bot_token
2154	2746	],
	2747	+ 'body' => json_encode([
	2748	+ 'channel' => $channel_id,
	2749	+ 'text' => $channel_message,
	2750	+ 'mrkdwn' => true
	2751	+ ])
2155	2752	]);
2156	2753
2157		- if (is_wp_error($response)) {
2158		- return false;
2159		- }
2160		-
2161	2754	$success_message = $this->options['live_agent_notification_message'] ?? 'Live agent has been notified.';
2162	2755	$this->mxchat_save_chat_message($session_id, 'bot', $success_message);
2163	2756
2164	2757	$this->fallbackResponse = [
		@@ -2177,79 +2770,145 @@
2177	2770	'fallbackResponse' => $this->fallbackResponse
2178	2771	]);
2179	2772	wp_die();
2180	2773	}
	2774	+
	2775	+private function generate_channel_name($session_id) {
	2776	+ $email = null;
	2777	+ $name = null;
	2778	+
	2779	+ // 1. First priority: Check if user is logged in and get their info
	2780	+ if (is_user_logged_in()) {
	2781	+ $current_user = wp_get_current_user();
	2782	+ if (!empty($current_user->user_email)) {
	2783	+ $email = $current_user->user_email;
	2784	+ //error_log("[DEBUG] Using logged-in user email for channel: {$email}");
	2785	+ }
	2786	+ if (!empty($current_user->display_name)) {
	2787	+ $name = $current_user->display_name;
	2788	+ //error_log("[DEBUG] Using logged-in user name for channel: {$name}");
	2789	+ }
	2790	+ }
	2791	+
	2792	+ // 2. Second priority: Check for saved email/name from "require email to chat" option
	2793	+ if (empty($email)) {
	2794	+ $email_option_key = "mxchat_email_{$session_id}";
	2795	+ $saved_email = get_option($email_option_key);
	2796	+ if (!empty($saved_email)) {
	2797	+ $email = $saved_email;
	2798	+ //error_log("[DEBUG] Using saved email from session for channel: {$email}");
	2799	+ }
	2800	+ }
	2801	+
	2802	+ if (empty($name)) {
	2803	+ $name_option_key = "mxchat_name_{$session_id}";
	2804	+ $saved_name = get_option($name_option_key);
	2805	+ if (!empty($saved_name)) {
	2806	+ $name = $saved_name;
	2807	+ //error_log("[DEBUG] Using saved name from session for channel: {$name}");
	2808	+ }
	2809	+ }
	2810	+
	2811	+ // 3. Third priority: Check existing chat transcript for email/name
	2812	+ if (empty($email) || empty($name)) {
	2813	+ global $wpdb;
	2814	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
	2815	+ $existing_data = $wpdb->get_row($wpdb->prepare(
	2816	+ "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",
	2817	+ $session_id
	2818	+ ));
	2819	+
	2820	+ if ($existing_data) {
	2821	+ if (empty($email) && !empty($existing_data->user_email)) {
	2822	+ $email = $existing_data->user_email;
	2823	+ //error_log("[DEBUG] Using email from chat transcript for channel: {$email}");
	2824	+ }
	2825	+ if (empty($name) && !empty($existing_data->user_name)) {
	2826	+ $name = $existing_data->user_name;
	2827	+ //error_log("[DEBUG] Using name from chat transcript for channel: {$name}");
	2828	+ }
	2829	+ }
	2830	+ }
	2831	+
	2832	+ // 4. Generate channel name based on priority: Name > Email > Session ID
	2833	+ $channel_name = '';
	2834	+
	2835	+ if (!empty($name)) {
	2836	+ // Convert name to valid Slack channel name
	2837	+ $base_name = strtolower(trim($name));
	2838	+ // Replace spaces and invalid characters
	2839	+ $base_name = preg_replace('/[^a-z0-9\s]/', '', $base_name);
	2840	+ $base_name = preg_replace('/\s+/', '-', $base_name);
	2841	+ $base_name = trim($base_name, '-');
	2842	+
	2843	+ // Get last 4 characters of session ID for uniqueness
	2844	+ $session_suffix = substr($session_id, -4);
	2845	+ $channel_name = 'chat-' . $base_name . '-' . strtolower($session_suffix);
	2846	+
	2847	+ // Slack channel names have a 21 character limit
	2848	+ if (strlen($channel_name) > 21) {
	2849	+ // Calculate available space for name (21 - 'chat-' - '-' - session_suffix)
	2850	+ $available_space = 21 - 5 - 1 - strlen($session_suffix); // 'chat-' = 5, '-' = 1
	2851	+ $truncated_name = substr($base_name, 0, $available_space);
	2852	+ $truncated_name = rtrim($truncated_name, '-'); // Remove trailing hyphen
	2853	+ $channel_name = 'chat-' . $truncated_name . '-' . strtolower($session_suffix);
	2854	+ }
	2855	+
	2856	+ //error_log("[DEBUG] Using name for channel: {$channel_name} (from name: {$name})");
	2857	+
	2858	+ } elseif (!empty($email)) {
	2859	+ // Convert email to valid Slack channel name (your existing logic)
	2860	+ $channel_name = 'chat-' . strtolower(str_replace(['@', '.', '+', '_'], ['-at-', '-', '-plus-', '-'], $email));
	2861	+ // Remove any remaining invalid characters
	2862	+ $channel_name = preg_replace('/[^a-z0-9\-]/', '', $channel_name);
	2863	+ // Ensure it doesn't end with a hyphen
	2864	+ $channel_name = rtrim($channel_name, '-');
	2865	+ // Slack channel names have a 21 character limit, so truncate if needed
	2866	+ if (strlen($channel_name) > 21) {
	2867	+ $channel_name = substr($channel_name, 0, 21);
	2868	+ $channel_name = rtrim($channel_name, '-'); // Remove trailing hyphen if truncation created one
	2869	+ }
	2870	+
	2871	+ //error_log("[DEBUG] Using email for channel: {$channel_name} (from email: {$email})");
	2872	+
	2873	+ } else {
	2874	+ // Fallback to session ID if no name or email found
	2875	+ $channel_name = 'chat-' . strtolower(preg_replace('/[^a-zA-Z0-9]/', '', $session_id));
	2876	+ //error_log("[DEBUG] No name or email found, using session ID for channel: {$channel_name}");
	2877	+ }
	2878	+
	2879	+ // Final validation - ensure channel name meets Slack requirements
	2880	+ if (strlen($channel_name) > 21) {
	2881	+ $channel_name = substr($channel_name, 0, 21);
	2882	+ $channel_name = rtrim($channel_name, '-');
	2883	+ }
	2884	+
	2885	+ //error_log("[DEBUG] Generated channel name: {$channel_name}");
	2886	+ return $channel_name;
	2887	+}
2181	2888	public function mxchat_send_user_message_to_agent($message, $user_id, $session_id) {
2182		- $slack_webhook_url = $this->options['live_agent_webhook_url'] ?? '';
	2889	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	2890	+ $channel_id = get_option("mxchat_channel_{$session_id}", '');
2183	2891
2184		- if (empty($slack_webhook_url)) {
2185		- //error_log(esc_html__('Slack Webhook URL is not configured.', 'mxchat'));
	2892	+ if (empty($slack_bot_token) || empty($channel_id)) {
2186	2893	return false;
2187	2894	}
2188	2895
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		- ];
	2896	+ $user_message = "💬 *User:* {$message}";
2237	2897
2238		- $response = wp_remote_post($slack_webhook_url, [
2239		- 'body' => json_encode($webhook_data),
	2898	+ $response = wp_remote_post('https://slack.com/api/chat.postMessage', [
2240	2899	'headers' => [
2241	2900	'Content-Type' => 'application/json',
	2901	+ 'Authorization' => 'Bearer ' . $slack_bot_token
2242	2902	],
	2903	+ 'body' => json_encode([
	2904	+ 'channel' => $channel_id,
	2905	+ 'text' => $user_message,
	2906	+ 'mrkdwn' => true
	2907	+ ])
2243	2908	]);
2244	2909
2245		- if (is_wp_error($response)) {
2246		- //error_log(esc_html__('Error sending message to Slack: ', 'mxchat') . $response->get_error_message());
2247		- return false;
2248		- }
2249		-
2250		- //error_log(esc_html__('Message sent to Slack successfully.', 'mxchat'));
2251		- return true;
	2910	+ return !is_wp_error($response);
2252	2911	}
2253	2912	public function handle_slack_interaction(WP_REST_Request $request) {
2254	2913	//error_log('Received Slack interaction');
2255	2914
		@@ -2337,17 +2996,16 @@
2337	2996
2338	2997	// Default acknowledgment
2339	2998	return new WP_REST_Response(['ok' => true]);
2340	2999	}
2341		-
2342	3000	public function mxchat_handle_agent_response(WP_REST_Request $request) {
2343	3001	//error_log('Received agent response request');
2344	3002	//error_log('Request data: ' . print_r($request->get_params(), true));
2345		- // error_log('Raw body: ' . file_get_contents('php://input'));
	3003	+ // //error_log('Raw body: ' . file_get_contents('php://input'));
2346	3004
2347	3005	// Get the data from Slack's slash command format
2348	3006	$command_text = $request->get_param('text');
2349		- // error_log('Command text: ' . $command_text);
	3007	+ // //error_log('Command text: ' . $command_text);
2350	3008
2351	3009	if (empty($command_text)) {
2352	3010	//error_log(esc_html__('Agent response error: No command text received', 'mxchat'));
2353	3011	return new WP_REST_Response([
		@@ -2372,9 +3030,9 @@
2372	3030	// Save the message
2373	3031	$message_id = $this->mxchat_save_chat_message($session_id, 'agent', $message);
2374	3032
2375	3033	if (!$message_id) {
2376		- // error_log('Failed to save agent message');
	3034	+ // //error_log('Failed to save agent message');
2377	3035	return new WP_REST_Response([
2378	3036	'error' => esc_html__('Failed to save message', 'mxchat')
2379	3037	], 500);
2380	3038	}
		@@ -2384,10 +3042,8 @@
2384	3042	'response_type' => 'in_channel',
2385	3043	'text' => esc_html__("Message sent successfully to session $session_id", 'mxchat')
2386	3044	], 200);
2387	3045	}
2388		-
2389		-
2390	3046	public function mxchat_handle_switch_to_chatbot_intent($message, $user_id, $session_id) {
2391	3047	//error_log(esc_html__("Switching back to chatbot mode via intent.", 'mxchat'));
2392	3048
2393	3049	// Just update mode to AI
		@@ -2401,12 +3057,122 @@
2401	3057	$this->fallbackResponse['text'] = esc_html__('You are now chatting with the AI chatbot.', 'mxchat');
2402	3058
2403	3059	return true; // Intent was handled
2404	3060	}
	3061	+public function handle_slack_messages(WP_REST_Request $request) {
	3062	+ // Log the incoming request for debugging
	3063	+ //error_log('Slack events request received: ' . $request->get_body());
	3064	+
	3065	+ $body = $request->get_body();
	3066	+ $data = json_decode($body, true);
	3067	+
	3068	+ // Handle Slack URL verification
	3069	+ if (isset($data['type']) && $data['type'] === 'url_verification') {
	3070	+ //error_log('Slack URL verification challenge: ' . $data['challenge']);
	3071	+ return new WP_REST_Response($data['challenge'], 200, ['Content-Type' => 'text/plain']);
	3072	+ }
	3073	+
	3074	+ // IMPORTANT: Handle Slack's event deduplication
	3075	+ if (isset($data['event_id'])) {
	3076	+ $event_id = $data['event_id'];
	3077	+ $processed_events = get_transient('mxchat_slack_events') ?: [];
	3078	+
	3079	+ // Check if we've already processed this event
	3080	+ if (in_array($event_id, $processed_events)) {
	3081	+ //error_log("Duplicate event detected: $event_id");
	3082	+ return new WP_REST_Response(['ok' => true]);
	3083	+ }
	3084	+
	3085	+ // Add this event to processed list
	3086	+ $processed_events[] = $event_id;
	3087	+ // Keep only last 100 events to prevent memory issues
	3088	+ if (count($processed_events) > 100) {
	3089	+ $processed_events = array_slice($processed_events, -100);
	3090	+ }
	3091	+ // Store for 1 hour
	3092	+ set_transient('mxchat_slack_events', $processed_events, HOUR_IN_SECONDS);
	3093	+ }
	3094	+
	3095	+ // Handle message events
	3096	+ if (isset($data['event']) && $data['event']['type'] === 'message') {
	3097	+ $event = $data['event'];
	3098	+
	3099	+ // Skip bot messages and messages with subtypes (like bot_message)
	3100	+ if (isset($event['bot_id']) || isset($event['subtype'])) {
	3101	+ return new WP_REST_Response(['ok' => true]);
	3102	+ }
	3103	+
	3104	+ // Additional check: Skip if this is a threaded reply to our confirmation
	3105	+ if (isset($event['thread_ts']) && $event['thread_ts'] !== $event['ts']) {
	3106	+ return new WP_REST_Response(['ok' => true]);
	3107	+ }
	3108	+
	3109	+ $channel_id = $event['channel'];
	3110	+ $message_text = $event['text'] ?? '';
	3111	+ $message_ts = $event['ts'] ?? '';
	3112	+
	3113	+ // Find session ID by looking for matching channel
	3114	+ global $wpdb;
	3115	+ $session_option = $wpdb->get_var(
	3116	+ $wpdb->prepare(
	3117	+ "SELECT option_name FROM {$wpdb->options}
	3118	+ WHERE option_name LIKE 'mxchat_channel_%'
	3119	+ AND option_value = %s",
	3120	+ $channel_id
	3121	+ )
	3122	+ );
	3123	+
	3124	+ if ($session_option) {
	3125	+ $session_id = str_replace('mxchat_channel_', '', $session_option);
	3126	+
	3127	+ // Create a unique key for this specific message
	3128	+ $message_key = md5($session_id . $message_ts . $message_text);
	3129	+ $processed_messages = get_transient('mxchat_processed_messages_' . $session_id) ?: [];
	3130	+
	3131	+ // Check if we've already processed this exact message
	3132	+ if (in_array($message_key, $processed_messages)) {
	3133	+ //error_log("Duplicate message detected for session $session_id");
	3134	+ return new WP_REST_Response(['ok' => true]);
	3135	+ }
	3136	+
	3137	+ // Add to processed messages
	3138	+ $processed_messages[] = $message_key;
	3139	+ // Keep only last 50 messages per session
	3140	+ if (count($processed_messages) > 50) {
	3141	+ $processed_messages = array_slice($processed_messages, -50);
	3142	+ }
	3143	+ set_transient('mxchat_processed_messages_' . $session_id, $processed_messages, HOUR_IN_SECONDS);
	3144	+
	3145	+ // Save the agent message
	3146	+ $this->mxchat_save_chat_message($session_id, 'agent', $message_text);
	3147	+
	3148	+ // Send confirmation back to Slack (only once)
	3149	+ $slack_bot_token = $this->options['live_agent_bot_token'] ?? '';
	3150	+ if (!empty($slack_bot_token)) {
	3151	+ // Use a transient to prevent duplicate confirmations
	3152	+ $confirm_key = 'mxchat_confirm_' . $message_key;
	3153	+ if (!get_transient($confirm_key)) {
	3154	+ wp_remote_post('https://slack.com/api/chat.postMessage', [
	3155	+ 'headers' => [
	3156	+ 'Content-Type' => 'application/json',
	3157	+ 'Authorization' => 'Bearer ' . $slack_bot_token
	3158	+ ],
	3159	+ 'body' => json_encode([
	3160	+ 'channel' => $channel_id,
	3161	+ 'text' => "✅ _Message sent to user_",
	3162	+ 'thread_ts' => $event['ts'] // Reply in thread
	3163	+ ])
	3164	+ ]);
	3165	+ // Set transient to prevent duplicate confirmations
	3166	+ set_transient($confirm_key, true, 300); // 5 minutes
	3167	+ }
	3168	+ }
	3169	+ }
	3170	+ }
	3171	+
	3172	+ return new WP_REST_Response(['ok' => true]);
	3173	+}
2405	3174
2406		-
2407		-
2408		-
2409	3175	// For the word upload handler
2410	3176	public function mxchat_handle_word_upload() {
2411	3177	// Delegate to word handler
2412	3178	$this->word_handler->mxchat_handle_word_upload();
		@@ -2429,21 +3195,102 @@
2429	3195	return MxChat_User::mxchat_get_user_identifier();
2430	3196	}
2431	3197
2432	3198	private function mxchat_generate_embedding($text, $api_key) {
2433		- $endpoint = 'https://api.openai.com/v1/embeddings';
2434		-
2435		- $body = wp_json_encode([
2436		- 'input' => $text,
2437		- 'model' => 'text-embedding-ada-002'
2438		- ]);
2439		-
	3199	+ try {
	3200	+ // Get options and selected model
	3201	+ $options = get_option('mxchat_options');
	3202	+ $selected_model = $options['embedding_model'] ?? 'text-embedding-ada-002';
	3203	+
	3204	+ // Determine endpoint and API key based on model
	3205	+ if (strpos($selected_model, 'voyage') === 0) {
	3206	+ $endpoint = 'https://api.voyageai.com/v1/embeddings';
	3207	+ $api_key = $options['voyage_api_key'] ?? '';
	3208	+
	3209	+ // Check if Voyage API key is missing
	3210	+ if (empty($api_key)) {
	3211	+ //error_log('Voyage API key is missing');
	3212	+ return [
	3213	+ 'error' => esc_html__('Voyage AI API key is not configured', 'mxchat'),
	3214	+ 'error_code' => 'missing_voyage_api_key'
	3215	+ ];
	3216	+ }
	3217	+ } elseif (strpos($selected_model, 'gemini-embedding') === 0) {
	3218	+ $endpoint = 'https://generativelanguage.googleapis.com/v1beta/models/' . $selected_model . ':embedContent';
	3219	+ $api_key = $options['gemini_api_key'] ?? '';
	3220	+
	3221	+ // Check if Gemini API key is missing
	3222	+ if (empty($api_key)) {
	3223	+ //error_log('Gemini API key is missing');
	3224	+ return [
	3225	+ 'error' => esc_html__('Google Gemini API key is not configured', 'mxchat'),
	3226	+ 'error_code' => 'missing_gemini_api_key'
	3227	+ ];
	3228	+ }
	3229	+ } else {
	3230	+ $endpoint = 'https://api.openai.com/v1/embeddings';
	3231	+ // Use the passed API key for OpenAI
	3232	+
	3233	+ // Check if OpenAI API key is missing
	3234	+ if (empty($api_key)) {
	3235	+ //error_log('OpenAI API key is missing');
	3236	+ return [
	3237	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	3238	+ 'error_code' => 'missing_openai_api_key'
	3239	+ ];
	3240	+ }
	3241	+ }
	3242	+
	3243	+ // Check if text is empty
	3244	+ if (empty($text)) {
	3245	+ //error_log('Empty text provided for embedding generation');
	3246	+ return [
	3247	+ 'error' => esc_html__('No text provided for embedding generation', 'mxchat'),
	3248	+ 'error_code' => 'empty_embedding_text'
	3249	+ ];
	3250	+ }
	3251	+
	3252	+ // Prepare request body based on provider
	3253	+ if (strpos($selected_model, 'gemini-embedding') === 0) {
	3254	+ // Gemini API format
	3255	+ $request_body = [
	3256	+ 'model' => 'models/' . $selected_model,
	3257	+ 'content' => [
	3258	+ 'parts' => [
	3259	+ ['text' => $text]
	3260	+ ]
	3261	+ ],
	3262	+ 'outputDimensionality' => 1536
	3263	+ ];
	3264	+
	3265	+ // Prepare headers for Gemini (API key as query parameter)
	3266	+ $endpoint .= '?key=' . $api_key;
	3267	+ $headers = [
	3268	+ 'Content-Type' => 'application/json'
	3269	+ ];
	3270	+ } else {
	3271	+ // OpenAI/Voyage API format
	3272	+ $request_body = [
	3273	+ 'input' => $text,
	3274	+ 'model' => $selected_model
	3275	+ ];
	3276	+
	3277	+ // Add output_dimension for voyage-3-large
	3278	+ if ($selected_model === 'voyage-3-large') {
	3279	+ $request_body['output_dimension'] = 2048;
	3280	+ }
	3281	+
	3282	+ // Prepare headers for OpenAI/Voyage
	3283	+ $headers = [
	3284	+ 'Content-Type' => 'application/json',
	3285	+ 'Authorization' => 'Bearer ' . $api_key
	3286	+ ];
	3287	+ }
	3288	+
	3289	+ // Prepare request arguments
2440	3290	$args = [
2441		- 'body' => $body,
2442		- 'headers' => [
2443		- 'Content-Type' => 'application/json',
2444		- 'Authorization' => 'Bearer ' . $api_key,
2445		- ],
	3291	+ 'body' => wp_json_encode($request_body),
	3292	+ 'headers' => $headers,
2446	3293	'timeout' => 60,
2447	3294	'redirection' => 5,
2448	3295	'blocking' => true,
2449	3296	'httpversion' => '1.0',
		@@ -2448,25 +3295,110 @@
2448	3295	'blocking' => true,
2449	3296	'httpversion' => '1.0',
2450	3297	'sslverify' => true,
2451	3298	];
2452		-
	3299	+
	3300	+ // Make the request
2453	3301	$response = wp_remote_post($endpoint, $args);
2454		-
	3302	+
	3303	+ // Handle WordPress errors
2455	3304	if (is_wp_error($response)) {
2456		- return null;
	3305	+ $error_message = $response->get_error_message();
	3306	+ //error_log('Embedding Generation Error: ' . $error_message);
	3307	+ return [
	3308	+ 'error' => esc_html__('Connection error when generating embeddings: ', 'mxchat') . esc_html($error_message),
	3309	+ 'error_code' => 'embedding_connection_error'
	3310	+ ];
2457	3311	}
2458		-
	3312	+
	3313	+ // Check HTTP status code
	3314	+ $status_code = wp_remote_retrieve_response_code($response);
	3315	+ if ($status_code !== 200) {
	3316	+ $response_body = json_decode(wp_remote_retrieve_body($response), true);
	3317	+
	3318	+ $error_message = isset($response_body['error']['message'])
	3319	+ ? $response_body['error']['message']
	3320	+ : 'HTTP Error ' . $status_code;
	3321	+
	3322	+ $error_type = isset($response_body['error']['type'])
	3323	+ ? $response_body['error']['type']
	3324	+ : 'unknown';
	3325	+
	3326	+ //error_log('Embedding API HTTP Error: ' . $status_code . ' - ' . $error_message);
	3327	+
	3328	+ // Handle specific error types
	3329	+ switch ($error_type) {
	3330	+ case 'invalid_request_error':
	3331	+ if (strpos($error_message, 'API key') !== false) {
	3332	+ return [
	3333	+ 'error' => esc_html__('Invalid API key for embedding generation. Please check your API key configuration.', 'mxchat'),
	3334	+ 'error_code' => 'embedding_invalid_api_key'
	3335	+ ];
	3336	+ }
	3337	+ break;
	3338	+
	3339	+ case 'authentication_error':
	3340	+ return [
	3341	+ 'error' => esc_html__('Authentication failed for embedding generation. Please check your API key.', 'mxchat'),
	3342	+ 'error_code' => 'embedding_auth_error'
	3343	+ ];
	3344	+
	3345	+ case 'rate_limit_exceeded':
	3346	+ return [
	3347	+ 'error' => esc_html__('Rate limit exceeded for embedding generation. Please try again later.', 'mxchat'),
	3348	+ 'error_code' => 'embedding_rate_limit'
	3349	+ ];
	3350	+
	3351	+ case 'quota_exceeded':
	3352	+ return [
	3353	+ 'error' => esc_html__('API quota exceeded for embedding generation. Please check your billing details.', 'mxchat'),
	3354	+ 'error_code' => 'embedding_quota_exceeded'
	3355	+ ];
	3356	+ }
	3357	+
	3358	+ // Generic error fallback
	3359	+ return [
	3360	+ 'error' => esc_html__('Embedding API error - check embedding API key.: ', 'mxchat') . esc_html($error_message),
	3361	+ 'error_code' => 'embedding_api_error',
	3362	+ 'status_code' => $status_code
	3363	+ ];
	3364	+ }
	3365	+
2459	3366	$response_body = json_decode(wp_remote_retrieve_body($response), true);
2460		-
2461		- if (isset($response_body['data'][0]['embedding']) && is_array($response_body['data'][0]['embedding'])) {
2462		- return $response_body['data'][0]['embedding'];
	3367	+
	3368	+ // Handle different response formats based on provider
	3369	+ if (strpos($selected_model, 'gemini-embedding') === 0) {
	3370	+ // Gemini API response format
	3371	+ if (isset($response_body['embedding']['values']) && is_array($response_body['embedding']['values'])) {
	3372	+ return $response_body['embedding']['values'];
	3373	+ } else {
	3374	+ //error_log('Invalid Gemini embedding response: ' . wp_json_encode($response_body));
	3375	+ return [
	3376	+ 'error' => esc_html__('Received invalid embedding data from the Gemini API.', 'mxchat'),
	3377	+ 'error_code' => 'invalid_gemini_embedding_response'
	3378	+ ];
	3379	+ }
2463	3380	} else {
2464		- return null;
	3381	+ // OpenAI/Voyage API response format
	3382	+ if (isset($response_body['data'][0]['embedding']) && is_array($response_body['data'][0]['embedding'])) {
	3383	+ return $response_body['data'][0]['embedding'];
	3384	+ } else {
	3385	+ //error_log('Invalid embedding response: ' . wp_json_encode($response_body));
	3386	+ return [
	3387	+ 'error' => esc_html__('Received invalid embedding data from the API.', 'mxchat'),
	3388	+ 'error_code' => 'invalid_embedding_response'
	3389	+ ];
	3390	+ }
2465	3391	}
	3392	+ } catch (Exception $e) {
	3393	+ //error_log('Embedding Exception: ' . $e->getMessage());
	3394	+ return [
	3395	+ 'error' => esc_html__('System error when generating embeddings: ', 'mxchat') . esc_html($e->getMessage()),
	3396	+ 'error_code' => 'embedding_exception'
	3397	+ ];
2466	3398	}
	3399	+}
2467	3400
2468		-
2469	3401	private function mxchat_find_relevant_content($user_embedding) {
2470	3402	//error_log('MXChat Vector Search: Starting content search...');
2471	3403
2472	3404	// Retrieve the add-on settings from the database.
		@@ -2472,9 +3404,8 @@
2472	3404	// Retrieve the add-on settings from the database.
2473	3405	$addon_options = get_option('mxchat_pinecone_addon_options', array());
2474	3406
2475	3407	// Determine whether Pinecone is enabled.
2476		- // We expect the sanitized setting to be a string '1' if enabled, otherwise '0'.
2477	3408	$use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1') ? 1 : 0;
2478	3409
2479	3410	//error_log('Pinecone enabled flag: ' . $use_pinecone);
2480	3411
		@@ -2492,18 +3423,26 @@
2492	3423	$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
2493	3424	$cache_key = 'mxchat_system_prompt_embeddings';
2494	3425	$batch_size = 500;
2495	3426
	3427	+ // Initialize similarity analysis storage
	3428	+ $this->last_similarity_analysis = [
	3429	+ 'knowledge_base_type' => 'WordPress Database',
	3430	+ 'top_matches' => [],
	3431	+ 'threshold_used' => 0,
	3432	+ 'total_checked' => 0
	3433	+ ];
	3434	+
2496	3435	// Retrieve embeddings from cache or database
2497	3436	$embeddings = wp_cache_get($cache_key, 'mxchat_system_prompts');
2498	3437	if ($embeddings === false) {
	3438	+ // Cache miss - load embeddings from database WITH CONTENT and ROLE RESTRICTION for testing
2499	3439	$embeddings = [];
2500	3440	$offset = 0;
2501	3441
2502		- // Load in batches and build cache
2503	3442	do {
2504	3443	$query = $wpdb->prepare(
2505		- "SELECT id, embedding_vector
	3444	+ "SELECT id, embedding_vector, article_content, source_url, role_restriction
2506	3445	FROM {$system_prompt_table}
2507	3446	LIMIT %d OFFSET %d",
2508	3447	$batch_size,
2509	3448	$offset
		@@ -2515,62 +3454,135 @@
2515	3454	}
2516	3455
2517	3456	$embeddings = array_merge($embeddings, $batch);
2518	3457	$offset += $batch_size;
2519		-
2520		- // Free memory
2521	3458	unset($batch);
2522		-
2523	3459	} while (true);
2524	3460
2525	3461	if (empty($embeddings)) {
2526		- return ''; // Return an empty string if no embeddings found
	3462	+ return '';
2527	3463	}
	3464	+
	3465	+ // Cache embeddings for future use (but note: this now includes content and role restrictions)
2528	3466	wp_cache_set($cache_key, $embeddings, 'mxchat_system_prompts', 3600);
2529	3467	}
2530	3468
2531		- // Initialize array to store relevant results with similarity scores
	3469	+ // NEW: Get knowledge manager instance for role checking
	3470	+ $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
	3471	+
	3472	+ // Get configuration options
	3473	+ $main_options = get_option('mxchat_options', []);
	3474	+
	3475	+ // Get base similarity threshold (default 75%)
	3476	+ $similarity_threshold = isset($main_options['similarity_threshold'])
	3477	+ ? ((int) $main_options['similarity_threshold']) / 100
	3478	+ : 0.75;
	3479	+
	3480	+ $this->last_similarity_analysis['threshold_used'] = $similarity_threshold;
	3481	+
	3482	+ // Calculate similarities and build results array
	3483	+ $all_similarities = [];
2532	3484	$relevant_results = [];
2533		- // Iterate through embeddings to calculate similarity
	3485	+
2534	3486	foreach ($embeddings as $embedding) {
2535	3487	$database_embedding = $embedding->embedding_vector
2536	3488	? unserialize($embedding->embedding_vector, ['allowed_classes' => false])
2537	3489	: null;
	3490	+
2538	3491	if (is_array($database_embedding) && is_array($user_embedding)) {
2539	3492	$similarity = $this->mxchat_calculate_cosine_similarity($user_embedding, $database_embedding);
2540		- $relevant_results[] = [
2541		- 'id' => $embedding->id,
2542		- 'similarity' => $similarity
	3493	+
	3494	+ // NEW: Check role access
	3495	+ $role_restriction = $embedding->role_restriction ?? 'public';
	3496	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3497	+
	3498	+ // Store ALL similarities for testing (top 10)
	3499	+ $source_display = '';
	3500	+ if (!empty($embedding->source_url) && $embedding->source_url !== '#') {
	3501	+ $source_display = $embedding->source_url;
	3502	+ } else {
	3503	+ $content_preview = strip_tags($embedding->article_content ?? '');
	3504	+ $content_preview = preg_replace('/\s+/', ' ', $content_preview);
	3505	+ $source_display = substr(trim($content_preview), 0, 50) . '...';
	3506	+ }
	3507	+
	3508	+ $all_similarities[] = [
	3509	+ 'document_id' => $embedding->id,
	3510	+ 'similarity' => $similarity,
	3511	+ 'similarity_percentage' => round($similarity * 100, 2),
	3512	+ 'above_threshold' => $similarity >= $similarity_threshold,
	3513	+ 'source_display' => $source_display,
	3514	+ 'content_preview' => substr(strip_tags($embedding->article_content ?? ''), 0, 100) . '...',
	3515	+ 'used_for_context' => false, // Initialize as false, we'll update this later
	3516	+ 'role_restriction' => $role_restriction, // NEW: Include role info for testing
	3517	+ 'has_access' => $has_access, // NEW: Include access info for testing
	3518	+ 'filtered_out' => !$has_access // NEW: Mark if filtered out by role
2543	3519	];
	3520	+
	3521	+ // Only consider results above threshold AND with access for actual content retrieval
	3522	+ if ($similarity >= $similarity_threshold && $has_access) {
	3523	+ $relevant_results[] = [
	3524	+ 'id' => $embedding->id,
	3525	+ 'similarity' => $similarity
	3526	+ ];
	3527	+ }
2544	3528	}
2545		- // Free memory
	3529	+
2546	3530	unset($database_embedding);
2547	3531	}
2548	3532
2549		- // Retrieve the similarity threshold
2550		- $similarity_threshold = ((int) get_option('mxchat_similarity_threshold', 80)) / 100;
2551		-
2552		- // Filter and sort relevant results by similarity
2553		- $relevant_results = array_filter($relevant_results, function ($result) use ($similarity_threshold) {
2554		- return $result['similarity'] >= $similarity_threshold;
	3533	+ // Sort ALL similarities for testing display (highest first)
	3534	+ usort($all_similarities, function ($a, $b) {
	3535	+ return $b['similarity'] <=> $a['similarity'];
2555	3536	});
	3537	+
	3538	+ // Sort relevant results by similarity (highest first)
2556	3539	usort($relevant_results, function ($a, $b) {
2557	3540	return $b['similarity'] <=> $a['similarity'];
2558	3541	});
2559		-
2560		- // Limit to the top 5 results
	3542	+
	3543	+ // Get top 5 results for actual content (standard approach)
2561	3544	$top_results = array_slice($relevant_results, 0, 5);
2562		-
2563		- // Initialize the final content
	3545	+
	3546	+ // NOW mark which documents are actually used for context
	3547	+ $used_document_ids = [];
	3548	+ foreach ($top_results as $result) {
	3549	+ $used_document_ids[] = $result['id'];
	3550	+ }
	3551	+
	3552	+ // Update the all_similarities array to mark which were actually used
	3553	+ foreach ($all_similarities as &$similarity_item) {
	3554	+ $similarity_item['used_for_context'] = in_array($similarity_item['document_id'], $used_document_ids);
	3555	+ }
	3556	+
	3557	+ // Store top 10 for testing panel (now with correct used_for_context flags and role info)
	3558	+ $this->last_similarity_analysis['top_matches'] = array_slice($all_similarities, 0, 10);
	3559	+ $this->last_similarity_analysis['total_checked'] = count($embeddings);
	3560	+
	3561	+ //error_log("MxChat Testing: Stored " . count($this->last_similarity_analysis['top_matches']) . " top matches for testing");
	3562	+
	3563	+ // Initialize final content
2564	3564	$content = '';
2565		-
2566		- // Fetch and combine content for the top results
2567		- foreach ($top_results as $result) {
	3565	+
	3566	+ // Track document IDs to avoid duplicates
	3567	+ $added_document_ids = [];
	3568	+
	3569	+ // Fetch and format content for each selected result
	3570	+ foreach ($top_results as $index => $result) {
	3571	+ if (in_array($result['id'], $added_document_ids)) {
	3572	+ continue;
	3573	+ }
	3574	+
2568	3575	$chunk_content = $this->fetch_content_with_product_links($result['id']);
2569		- // Check if the content is PDF-related and add surrounding pages
	3576	+ $added_document_ids[] = $result['id'];
	3577	+
	3578	+ $content .= "## Reference " . ($index + 1) . " ##\n";
	3579	+ $content .= $chunk_content . "\n\n";
	3580	+
	3581	+ // PDF surrounding pages logic (unchanged)
2570	3582	if (strpos($chunk_content, '{"document_type":"pdf"') !== false) {
2571	3583	$surrounding_content = $wpdb->get_results($wpdb->prepare(
2572		- "SELECT article_content FROM {$system_prompt_table}
	3584	+ "SELECT id, article_content, role_restriction FROM {$system_prompt_table}
2573	3585	WHERE id IN (
2574	3586	(SELECT id FROM {$system_prompt_table} WHERE id < %d ORDER BY id DESC LIMIT 1),
2575	3587	(SELECT id FROM {$system_prompt_table} WHERE id > %d ORDER BY id ASC LIMIT 1)
2576	3588	)",
		@@ -2576,52 +3588,84 @@
2576	3588	)",
2577	3589	$result['id'],
2578	3590	$result['id']
2579	3591	));
2580		- // Add previous content if it exists
	3592	+
	3593	+ // NEW: Check role access for surrounding content too
2581	3594	if (!empty($surrounding_content[0])) {
2582		- $content .= $surrounding_content[0]->article_content . "\n\n";
	3595	+ $surrounding_role = $surrounding_content[0]->role_restriction ?? 'public';
	3596	+ if ($knowledge_manager->mxchat_user_has_content_access($surrounding_role)) {
	3597	+ $content .= "## Related Content ##\n";
	3598	+ $content .= $surrounding_content[0]->article_content . "\n\n";
	3599	+ $added_document_ids[] = $surrounding_content[0]->id;
	3600	+ }
2583	3601	}
2584		- // Add the main chunk content
2585		- $content .= $chunk_content . "\n\n";
2586		- // Add next content if it exists
	3602	+
2587	3603	if (!empty($surrounding_content[1])) {
2588		- $content .= $surrounding_content[1]->article_content . "\n\n";
	3604	+ $surrounding_role = $surrounding_content[1]->role_restriction ?? 'public';
	3605	+ if ($knowledge_manager->mxchat_user_has_content_access($surrounding_role)) {
	3606	+ $content .= "## Related Content ##\n";
	3607	+ $content .= $surrounding_content[1]->article_content . "\n\n";
	3608	+ $added_document_ids[] = $surrounding_content[1]->id;
	3609	+ }
2589	3610	}
2590		- } else {
2591		- // For non-PDF content, add directly
2592		- $content .= $chunk_content . "\n\n";
2593	3611	}
2594	3612	}
	3613	+
	3614	+ // Add response guidelines
	3615	+ if (empty($top_results)) {
	3616	+ $content = "No reference information was found for this query.\n\n";
	3617	+ } else {
	3618	+ $content .= "\n## Response Guidelines ##\n" .
	3619	+ "You are an AI Chatbot. Answer naturally and helpfully using only the information from the references above. " .
	3620	+ "Be conversational and friendly, but never mention your knowledge base or training data. " .
	3621	+ "If you don't have specific information or are uncertain about any details, it's always " .
	3622	+ "better to honestly say you don't know rather than making up or guessing at answers. " .
	3623	+ "When information is incomplete, let them know you are unsure.";
	3624	+ }
2595	3625
2596	3626	return trim($content);
2597	3627	}
2598		-/**
2599		- * Find relevant content in Pinecone vector database
2600		- */
	3628	+
2601	3629	private function find_relevant_content_pinecone($user_embedding) {
	3630	+ global $wpdb; // For single role lookups
2602	3631	$options = get_option('mxchat_pinecone_addon_options', array());
2603	3632	$api_key = $options['mxchat_pinecone_api_key'] ?? '';
2604	3633	$host = $options['mxchat_pinecone_host'] ?? '';
2605		-
	3634	+
	3635	+ // Initialize similarity analysis storage
	3636	+ $this->last_similarity_analysis = [
	3637	+ 'knowledge_base_type' => 'Pinecone',
	3638	+ 'top_matches' => [],
	3639	+ 'threshold_used' => 0,
	3640	+ 'total_checked' => 0
	3641	+ ];
	3642	+
2606	3643	if (empty($host) || empty($api_key)) {
2607		- //error_log('Pinecone credentials not properly configured');
2608	3644	return '';
2609	3645	}
2610		-
2611		- // Get similarity threshold from WordPress settings
2612		- $similarity_threshold = ((int) get_option('mxchat_similarity_threshold', 80)) / 100;
2613		-
2614		- // Prepare the query request for Pinecone
	3646	+
	3647	+ // Get knowledge manager instance for role checking
	3648	+ $knowledge_manager = MxChat_Knowledge_Manager::get_instance();
	3649	+
	3650	+ // Get the similarity threshold from the main options
	3651	+ $main_options = get_option('mxchat_options', []);
	3652	+ $similarity_threshold = isset($main_options['similarity_threshold'])
	3653	+ ? ((int) $main_options['similarity_threshold']) / 100
	3654	+ : 0.75;
	3655	+
	3656	+ $this->last_similarity_analysis['threshold_used'] = $similarity_threshold;
	3657	+
	3658	+ // Prepare the query request for Pinecone (request more for testing)
2615	3659	$api_endpoint = "https://{$host}/query";
2616		-
	3660	+
2617	3661	$request_body = array(
2618	3662	'vector' => $user_embedding,
2619		- 'topK' => 5,
	3663	+ 'topK' => 20, // Request more to get good testing data
2620	3664	'includeMetadata' => true,
2621	3665	'includeValues' => true
2622	3666	);
2623		-
	3667	+
2624	3668	$response = wp_remote_post($api_endpoint, array(
2625	3669	'headers' => array(
2626	3670	'Api-Key' => $api_key,
2627	3671	'accept' => 'application/json',
		@@ -2629,45 +3673,162 @@
2629	3673	),
2630	3674	'body' => wp_json_encode($request_body),
2631	3675	'timeout' => 30
2632	3676	));
2633		-
	3677	+
2634	3678	if (is_wp_error($response)) {
2635		- //error_log('Pinecone query error: ' . $response->get_error_message());
2636	3679	return '';
2637	3680	}
2638		-
	3681	+
2639	3682	$response_code = wp_remote_retrieve_response_code($response);
2640	3683	if ($response_code !== 200) {
2641		- //error_log('Pinecone API error: ' . wp_remote_retrieve_body($response));
2642	3684	return '';
2643	3685	}
2644		-
	3686	+
2645	3687	$results = json_decode(wp_remote_retrieve_body($response), true);
2646	3688	if (empty($results['matches'])) {
2647	3689	return '';
2648	3690	}
2649		-
	3691	+
2650	3692	// Initialize the final content
2651	3693	$content = '';
2652		-
2653		- // Process each match
2654		- foreach ($results['matches'] as $match) {
	3694	+ $matches_used = 0;
	3695	+ $matches_used_for_context = [];
	3696	+
	3697	+ // Process each match for actual content generation (lazy role checking)
	3698	+ foreach ($results['matches'] as $index => $match) {
2655	3699	// Skip if similarity is below threshold
2656	3700	if ($match['score'] < $similarity_threshold) {
2657	3701	continue;
2658	3702	}
2659		-
2660		- if (!empty($match['metadata']['text']) && !empty($match['metadata']['source_url'])) {
2661		- // Add content with citation
2662		- $content .= $match['metadata']['text'] . "\n";
2663		- $content .= "Source: " . $match['metadata']['source_url'] . "\n\n";
	3703	+
	3704	+ // Limit to top 5 matches above threshold
	3705	+ if ($matches_used >= 5) {
	3706	+ break;
2664	3707	}
	3708	+
	3709	+ if (!empty($match['metadata']['text'])) {
	3710	+ // LAZY ROLE CHECK: Only check role for content we're actually considering
	3711	+ $match_id = $match['id'] ?? '';
	3712	+ $role_restriction = $this->get_single_vector_role($match_id, $match['metadata']);
	3713	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3714	+
	3715	+ // Skip if user doesn't have access
	3716	+ if (!$has_access) {
	3717	+ continue;
	3718	+ }
	3719	+
	3720	+ // User has access - add to content
	3721	+ $content .= "## Reference " . ($matches_used + 1) . " ##\n";
	3722	+ $content .= $match['metadata']['text'] . "\n\n";
	3723	+
	3724	+ if (!empty($match['metadata']['source_url'])) {
	3725	+ $content .= "URL: " . $match['metadata']['source_url'] . "\n\n";
	3726	+ }
	3727	+
	3728	+ $matches_used_for_context[] = $match['id'] ?? $index;
	3729	+ $matches_used++;
	3730	+ }
2665	3731	}
2666		-
	3732	+
	3733	+ // Process ALL matches for testing data (top 10) - with role checking for testing display
	3734	+ $all_matches = [];
	3735	+ foreach ($results['matches'] as $index => $match) {
	3736	+ if ($index >= 10) break; // Limit to top 10 for testing
	3737	+
	3738	+ $match_id = $match['id'] ?? '';
	3739	+
	3740	+ // Check role access for testing display (use cache if available)
	3741	+ $role_restriction = $this->get_single_vector_role($match_id, $match['metadata']);
	3742	+ $has_access = $knowledge_manager->mxchat_user_has_content_access($role_restriction);
	3743	+
	3744	+ $source_display = '';
	3745	+ if (!empty($match['metadata']['source_url'])) {
	3746	+ $source_display = $match['metadata']['source_url'];
	3747	+ } else {
	3748	+ $content_preview = strip_tags($match['metadata']['text'] ?? '');
	3749	+ $content_preview = preg_replace('/\s+/', ' ', $content_preview);
	3750	+ $source_display = substr(trim($content_preview), 0, 50) . '...';
	3751	+ }
	3752	+
	3753	+ $match_id_for_display = $match['id'] ?? $index;
	3754	+
	3755	+ $all_matches[] = [
	3756	+ 'document_id' => $match_id_for_display,
	3757	+ 'similarity' => $match['score'],
	3758	+ 'similarity_percentage' => round($match['score'] * 100, 2),
	3759	+ 'above_threshold' => $match['score'] >= $similarity_threshold,
	3760	+ 'source_display' => $source_display,
	3761	+ 'content_preview' => substr(strip_tags($match['metadata']['text'] ?? ''), 0, 100) . '...',
	3762	+ 'used_for_context' => in_array($match_id_for_display, $matches_used_for_context),
	3763	+ 'role_restriction' => $role_restriction,
	3764	+ 'has_access' => $has_access,
	3765	+ 'filtered_out' => !$has_access
	3766	+ ];
	3767	+ }
	3768	+
	3769	+ // Store for testing panel
	3770	+ $this->last_similarity_analysis['top_matches'] = $all_matches;
	3771	+ $this->last_similarity_analysis['total_checked'] = count($results['matches']);
	3772	+
	3773	+ //error_log("MxChat Testing: Stored " . count($this->last_similarity_analysis['top_matches']) . " Pinecone matches for testing");
	3774	+
	3775	+ // Add response guidelines
	3776	+ if ($matches_used === 0) {
	3777	+ $content = "No reference information was found for this query.\n\n";
	3778	+ } else {
	3779	+ $content .= "\n## Response Guidelines ##\n" .
	3780	+ "You are an AI Chatbot. Answer naturally and helpfully using only the information from the references above. " .
	3781	+ "Be conversational and friendly, but never mention your knowledge base or training data. " .
	3782	+ "If you don't have specific information or are uncertain about any details, it's always " .
	3783	+ "better to honestly say you don't know rather than making up or guessing at answers. " .
	3784	+ "When information is incomplete, let them know you are unsure.";
	3785	+ }
	3786	+
2667	3787	return trim($content);
2668	3788	}
2669	3789
	3790	+/**
	3791	+ * Get role restriction for a single vector (with caching)
	3792	+ */
	3793	+private function get_single_vector_role($vector_id, $metadata = array()) {
	3794	+ global $wpdb;
	3795	+
	3796	+ if (empty($vector_id)) {
	3797	+ return 'public';
	3798	+ }
	3799	+
	3800	+ // Check cache first
	3801	+ $cache_key = 'mxchat_vector_role_' . $vector_id;
	3802	+ $cached_role = wp_cache_get($cache_key, 'mxchat_vector_roles');
	3803	+
	3804	+ if ($cached_role !== false) {
	3805	+ return $cached_role;
	3806	+ }
	3807	+
	3808	+ $role_restriction = 'public';
	3809	+
	3810	+ // First try Pinecone metadata
	3811	+ if (!empty($metadata['role_restriction'])) {
	3812	+ $role_restriction = $metadata['role_restriction'];
	3813	+ } else {
	3814	+ // Check WordPress table for user-modified roles
	3815	+ $roles_table = $wpdb->prefix . 'mxchat_pinecone_roles';
	3816	+ $stored_role = $wpdb->get_var($wpdb->prepare(
	3817	+ "SELECT role_restriction FROM {$roles_table} WHERE vector_id = %s",
	3818	+ $vector_id
	3819	+ ));
	3820	+
	3821	+ if ($stored_role) {
	3822	+ $role_restriction = $stored_role;
	3823	+ }
	3824	+ }
	3825	+
	3826	+ // Cache individual role for 1 hour
	3827	+ wp_cache_set($cache_key, $role_restriction, 'mxchat_vector_roles', 3600);
	3828	+
	3829	+ return $role_restriction;
	3830	+}
2670	3831
2671	3832	private function mxchat_find_relevant_products($user_embedding) {
2672	3833	//error_log('MXChat Vector Search: Starting product search...');
2673	3834
		@@ -2686,9 +3847,8 @@
2686	3847	//error_log('MXChat Vector Search: Using WordPress database for products');
2687	3848	return $this->find_relevant_products_wordpress($user_embedding);
2688	3849	}
2689	3850	}
2690		-
2691	3851	private function find_relevant_products_wordpress($user_embedding) {
2692	3852	global $wpdb;
2693	3853	$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
2694	3854	$cache_key = 'mxchat_system_prompt_embeddings';
		@@ -2762,10 +3922,8 @@
2762	3922	}
2763	3923
2764	3924	return trim($content);
2765	3925	}
2766		-
2767		-// Modified search function with correct filter syntax
2768	3926	private function find_relevant_products_pinecone($user_embedding) {
2769	3927	//error_log('Starting Pinecone product search...');
2770	3928
2771	3929	$options = get_option('mxchat_pinecone_addon_options', array());
		@@ -2840,10 +3998,8 @@
2840	3998	}
2841	3999
2842	4000	return trim($content);
2843	4001	}
2844		-
2845		-
2846	4002	private function fetch_content_with_product_links($most_relevant_id) {
2847	4003	global $wpdb;
2848	4004	$system_prompt_table = $wpdb->prefix . 'mxchat_system_prompt_content';
2849	4005
		@@ -2862,314 +4018,1068 @@
2862	4018
2863	4019	return null;
2864	4020	}
2865	4021
2866		-// Function definition
2867		-private function mxchat_generate_response($relevant_content, $api_key, $xai_api_key, $claude_api_key, $deepseek_api_key, $conversation_history) {
	4022	+/**
	4023	+ * Modified streaming functions to include testing data
	4024	+ */
	4025	+
	4026	+private function mxchat_generate_response($relevant_content, $api_key, $xai_api_key, $claude_api_key, $deepseek_api_key, $gemini_api_key, $conversation_history, $streaming = false, $session_id = '', $testing_data = null) {
2868	4027	try {
2869	4028	if (!$relevant_content) {
2870		- return esc_html__("I'm sorry, I couldn't find relevant information on that topic.", 'mxchat');
	4029	+ $error_response = [
	4030	+ 'error' => esc_html__("I couldn't find relevant information on that topic.", 'mxchat'),
	4031	+ 'error_code' => 'no_relevant_content'
	4032	+ ];
	4033	+
	4034	+ // Add testing data to error response if available
	4035	+ if ($testing_data !== null) {
	4036	+ $error_response['testing_data'] = $testing_data;
	4037	+ //error_log("MxChat Testing: Added testing data to no_relevant_content error");
	4038	+ }
	4039	+
	4040	+ return $error_response;
2871	4041	}
2872		-
	4042	+
2873	4043	// Ensure conversation_history is an array
2874	4044	if (!is_array($conversation_history)) {
2875	4045	$conversation_history = array();
2876	4046	}
2877		-
	4047	+
2878	4048	// Get selected model with default fallback
2879	4049	$selected_model = isset($this->options['model']) ? $this->options['model'] : 'gpt-4o';
2880		-
	4050	+
2881	4051	// Extract model prefix to determine the provider
2882	4052	$model_parts = explode('-', $selected_model);
2883	4053	$provider = strtolower($model_parts[0]);
2884		-
	4054	+
2885	4055	// Handle model selection based on provider prefix
2886	4056	switch ($provider) {
2887		- case 'claude':
2888		- if (empty($claude_api_key)) {
2889		- throw new Exception(esc_html__('Claude API key is not configured', 'mxchat'));
	4057	+ case 'gemini':
	4058	+ if (empty($gemini_api_key)) {
	4059	+ $error_response = [
	4060	+ 'error' => esc_html__('Google Gemini API key is not configured', 'mxchat'),
	4061	+ 'error_code' => 'missing_gemini_api_key'
	4062	+ ];
	4063	+ if ($testing_data !== null) {
	4064	+ $error_response['testing_data'] = $testing_data;
	4065	+ }
	4066	+ return $error_response;
2890	4067	}
2891		- return $this->mxchat_generate_response_claude(
	4068	+ $response = $this->mxchat_generate_response_gemini(
2892	4069	$selected_model,
2893		- $claude_api_key,
	4070	+ $gemini_api_key,
2894	4071	$conversation_history,
2895	4072	$relevant_content
2896	4073	);
2897		-
	4074	+ break;
	4075	+
	4076	+ case 'claude':
	4077	+ if (empty($claude_api_key)) {
	4078	+ $error_response = [
	4079	+ 'error' => esc_html__('Claude API key is not configured', 'mxchat'),
	4080	+ 'error_code' => 'missing_claude_api_key'
	4081	+ ];
	4082	+ if ($testing_data !== null) {
	4083	+ $error_response['testing_data'] = $testing_data;
	4084	+ }
	4085	+ return $error_response;
	4086	+ }
	4087	+ if ($streaming) {
	4088	+ return $this->mxchat_generate_response_claude_stream(
	4089	+ $selected_model,
	4090	+ $claude_api_key,
	4091	+ $conversation_history,
	4092	+ $relevant_content,
	4093	+ $session_id,
	4094	+ $testing_data // Pass testing data
	4095	+ );
	4096	+ } else {
	4097	+ $response = $this->mxchat_generate_response_claude(
	4098	+ $selected_model,
	4099	+ $claude_api_key,
	4100	+ $conversation_history,
	4101	+ $relevant_content
	4102	+ );
	4103	+ }
	4104	+ break;
	4105	+
2898	4106	case 'grok':
2899	4107	if (empty($xai_api_key)) {
2900		- throw new Exception(esc_html__('X.AI API key is not configured', 'mxchat'));
	4108	+ $error_response = [
	4109	+ 'error' => esc_html__('X.AI API key is not configured', 'mxchat'),
	4110	+ 'error_code' => 'missing_xai_api_key'
	4111	+ ];
	4112	+ if ($testing_data !== null) {
	4113	+ $error_response['testing_data'] = $testing_data;
	4114	+ }
	4115	+ return $error_response;
2901	4116	}
2902		- return $this->mxchat_generate_response_xai(
2903		- $selected_model,
2904		- $xai_api_key,
2905		- $conversation_history,
2906		- $relevant_content
2907		- );
2908		-
	4117	+ if ($streaming) {
	4118	+ return $this->mxchat_generate_response_xai_stream(
	4119	+ $selected_model,
	4120	+ $xai_api_key,
	4121	+ $conversation_history,
	4122	+ $relevant_content,
	4123	+ $session_id,
	4124	+ $testing_data // Pass testing data
	4125	+ );
	4126	+ } else {
	4127	+ $response = $this->mxchat_generate_response_xai(
	4128	+ $selected_model,
	4129	+ $xai_api_key,
	4130	+ $conversation_history,
	4131	+ $relevant_content
	4132	+ );
	4133	+ }
	4134	+ break;
	4135	+
2909	4136	case 'deepseek':
2910	4137	if (empty($deepseek_api_key)) {
2911		- throw new Exception(esc_html__('DeepSeek API key is not configured', 'mxchat'));
	4138	+ $error_response = [
	4139	+ 'error' => esc_html__('DeepSeek API key is not configured', 'mxchat'),
	4140	+ 'error_code' => 'missing_deepseek_api_key'
	4141	+ ];
	4142	+ if ($testing_data !== null) {
	4143	+ $error_response['testing_data'] = $testing_data;
	4144	+ }
	4145	+ return $error_response;
2912	4146	}
2913		- return $this->mxchat_generate_response_deepseek(
2914		- $selected_model,
2915		- $deepseek_api_key,
2916		- $conversation_history,
2917		- $relevant_content
2918		- );
2919		-
	4147	+ if ($streaming) {
	4148	+ return $this->mxchat_generate_response_deepseek_stream(
	4149	+ $selected_model,
	4150	+ $deepseek_api_key,
	4151	+ $conversation_history,
	4152	+ $relevant_content,
	4153	+ $session_id,
	4154	+ $testing_data // Pass testing data
	4155	+ );
	4156	+ } else {
	4157	+ $response = $this->mxchat_generate_response_deepseek(
	4158	+ $selected_model,
	4159	+ $deepseek_api_key,
	4160	+ $conversation_history,
	4161	+ $relevant_content
	4162	+ );
	4163	+ }
	4164	+ break;
	4165	+
2920	4166	case 'gpt':
	4167	+ case 'o1':
2921	4168	if (empty($api_key)) {
2922		- throw new Exception(esc_html__('OpenAI API key is not configured', 'mxchat'));
	4169	+ $error_response = [
	4170	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	4171	+ 'error_code' => 'missing_openai_api_key'
	4172	+ ];
	4173	+ if ($testing_data !== null) {
	4174	+ $error_response['testing_data'] = $testing_data;
	4175	+ }
	4176	+ return $error_response;
2923	4177	}
2924		- return $this->mxchat_generate_response_openai(
2925		- $selected_model,
2926		- $api_key,
2927		- $conversation_history,
2928		- $relevant_content
2929		- );
2930		-
	4178	+ if ($streaming) {
	4179	+ return $this->mxchat_generate_response_openai_stream(
	4180	+ $selected_model,
	4181	+ $api_key,
	4182	+ $conversation_history,
	4183	+ $relevant_content,
	4184	+ $session_id,
	4185	+ $testing_data // Pass testing data
	4186	+ );
	4187	+ } else {
	4188	+ $response = $this->mxchat_generate_response_openai(
	4189	+ $selected_model,
	4190	+ $api_key,
	4191	+ $conversation_history,
	4192	+ $relevant_content
	4193	+ );
	4194	+ }
	4195	+ break;
	4196	+
2931	4197	default:
2932	4198	// Default to OpenAI for custom models or unrecognized prefixes
2933	4199	if (empty($api_key)) {
2934		- throw new Exception(esc_html__('OpenAI API key is not configured', 'mxchat'));
	4200	+ $error_response = [
	4201	+ 'error' => esc_html__('OpenAI API key is not configured', 'mxchat'),
	4202	+ 'error_code' => 'missing_openai_api_key'
	4203	+ ];
	4204	+ if ($testing_data !== null) {
	4205	+ $error_response['testing_data'] = $testing_data;
	4206	+ }
	4207	+ return $error_response;
2935	4208	}
2936		- return $this->mxchat_generate_response_openai(
2937		- $selected_model,
2938		- $api_key,
2939		- $conversation_history,
2940		- $relevant_content
2941		- );
	4209	+ if ($streaming) {
	4210	+ return $this->mxchat_generate_response_openai_stream(
	4211	+ $selected_model,
	4212	+ $api_key,
	4213	+ $conversation_history,
	4214	+ $relevant_content,
	4215	+ $session_id,
	4216	+ $testing_data // Pass testing data
	4217	+ );
	4218	+ } else {
	4219	+ $response = $this->mxchat_generate_response_openai(
	4220	+ $selected_model,
	4221	+ $api_key,
	4222	+ $conversation_history,
	4223	+ $relevant_content
	4224	+ );
	4225	+ }
	4226	+ break;
2942	4227	}
	4228	+
	4229	+ // Check if the response is an error array from the provider-specific function
	4230	+ if (is_array($response) && isset($response['error'])) {
	4231	+ // Add testing data to error response if available
	4232	+ if ($testing_data !== null) {
	4233	+ $response['testing_data'] = $testing_data;
	4234	+ //error_log("MxChat Testing: Added testing data to provider error response");
	4235	+ }
	4236	+ return $response; // Pass through the error with testing data
	4237	+ }
	4238	+
	4239	+ // For successful non-streaming responses, we don't add testing data here
	4240	+ // because it will be added in the main handler
	4241	+ return $response;
	4242	+
2943	4243	} catch (Exception $e) {
2944	4244	//error_log('MXChat Error: ' . $e->getMessage());
2945		- return sprintf(
2946		- esc_html__('An error occurred: %s', 'mxchat'),
2947		- esc_html($e->getMessage())
2948		- );
	4245	+ $error_response = [
	4246	+ 'error' => sprintf(esc_html__('An error occurred: %s', 'mxchat'), esc_html($e->getMessage())),
	4247	+ 'error_code' => 'system_exception',
	4248	+ 'exception_details' => $e->getMessage()
	4249	+ ];
	4250	+
	4251	+ // Add testing data to exception response if available
	4252	+ if ($testing_data !== null) {
	4253	+ $error_response['testing_data'] = $testing_data;
	4254	+ //error_log("MxChat Testing: Added testing data to exception response");
	4255	+ }
	4256	+
	4257	+ return $error_response;
2949	4258	}
2950	4259	}
2951	4260
	4261	+private function mxchat_generate_response_openai_stream($selected_model, $api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4262	+ try {
	4263	+ // Get system prompt instructions from options
	4264	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4265	+
	4266	+ // Ensure conversation_history is an array
	4267	+ if (!is_array($conversation_history)) {
	4268	+ $conversation_history = array();
	4269	+ }
2952	4270
2953		-private function mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content) {
2954		- // Ensure conversation_history is an array
2955		- if (!is_array($conversation_history)) {
2956		- $conversation_history = array();
2957		- }
	4271	+ // Format conversation history for OpenAI
	4272	+ $formatted_conversation = array();
2958	4273
2959		- // Get system prompt instructions from options
2960		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4274	+ $formatted_conversation[] = array(
	4275	+ 'role' => 'system',
	4276	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	4277	+ );
2961	4278
2962		- // Create a new array for the formatted conversation
2963		- $formatted_conversation = array();
	4279	+ foreach ($conversation_history as $message) {
	4280	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	4281	+ $role = $message['role'];
	4282	+ if ($role === 'bot' || $role === 'agent') {
	4283	+ $role = 'assistant';
	4284	+ }
	4285	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	4286	+ $role = 'user';
	4287	+ }
	4288	+ $formatted_conversation[] = array(
	4289	+ 'role' => $role,
	4290	+ 'content' => $message['content']
	4291	+ );
	4292	+ }
	4293	+ }
2964	4294
2965		- // Add system message first
2966		- $formatted_conversation[] = array(
2967		- 'role' => 'system',
2968		- 'content' => $system_prompt_instructions . " " . $relevant_content
2969		- );
	4295	+ // Check if we can actually stream
	4296	+ if (headers_sent() || !function_exists('curl_init')) {
	4297	+ // Fallback to regular response with testing data
	4298	+ //error_log("MxChat: OpenAI streaming not possible, falling back to regular response");
	4299	+ $regular_response = $this->mxchat_generate_response_openai(
	4300	+ $selected_model,
	4301	+ $api_key,
	4302	+ $conversation_history,
	4303	+ $relevant_content
	4304	+ );
	4305	+
	4306	+ $response_data = [
	4307	+ 'text' => $regular_response,
	4308	+ 'html' => '',
	4309	+ 'session_id' => $session_id
	4310	+ ];
	4311	+
	4312	+ if ($testing_data !== null) {
	4313	+ $response_data['testing_data'] = $testing_data;
	4314	+ //error_log("MxChat Testing: Added testing data to OpenAI fallback response");
	4315	+ }
	4316	+
	4317	+ header('Content-Type: application/json');
	4318	+ echo json_encode($response_data);
	4319	+ return true;
	4320	+ }
2970	4321
2971		- // Add the rest of the conversation history
2972		- foreach ($conversation_history as $message) {
2973		- if (is_array($message) && isset($message['role']) && isset($message['content'])) {
2974		- $role = $message['role'];
	4322	+ // Prepare the request body with stream: true
	4323	+ $body = json_encode([
	4324	+ 'model' => $selected_model,
	4325	+ 'messages' => $formatted_conversation,
	4326	+ 'temperature' => 1,
	4327	+ 'stream' => true
	4328	+ ]);
2975	4329
2976		- // Convert roles to supported format
2977		- if ($role === 'bot' || $role === 'agent') {
2978		- $role = 'assistant';
	4330	+ // Use cURL for streaming support
	4331	+ $ch = curl_init();
	4332	+ curl_setopt($ch, CURLOPT_URL, 'https://api.openai.com/v1/chat/completions');
	4333	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4334	+ curl_setopt($ch, CURLOPT_POST, true);
	4335	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4336	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4337	+ 'Content-Type: application/json',
	4338	+ 'Authorization: Bearer ' . $api_key
	4339	+ ));
	4340	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4341	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	4342	+
	4343	+ $full_response = ''; // Accumulate full response for saving
	4344	+ $stream_started = false;
	4345	+
	4346	+ // Buffer control for real-time streaming
	4347	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	4348	+ // Send testing data as the first event if available
	4349	+ if (!$stream_started && $testing_data !== null) {
	4350	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4351	+ flush();
	4352	+ $stream_started = true;
	4353	+ //error_log("MxChat Testing: Sent testing data in OpenAI stream");
2979	4354	}
2980		- if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
2981		- $role = 'user';
	4355	+
	4356	+ // Process each chunk of data
	4357	+ $lines = explode("\n", $data);
	4358	+
	4359	+ foreach ($lines as $line) {
	4360	+ if (trim($line) === '' || strpos($line, 'data: ') !== 0) {
	4361	+ continue;
	4362	+ }
	4363	+
	4364	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	4365	+
	4366	+ if ($json_str === '[DONE]') {
	4367	+ echo "data: [DONE]\n\n";
	4368	+ flush();
	4369	+ continue;
	4370	+ }
	4371	+
	4372	+ $json = json_decode($json_str, true);
	4373	+ if (isset($json['choices'][0]['delta']['content'])) {
	4374	+ $content = $json['choices'][0]['delta']['content'];
	4375	+ $full_response .= $content; // Accumulate
	4376	+ // Send as SSE format
	4377	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	4378	+ flush();
	4379	+ }
2982	4380	}
2983		-
2984		- $formatted_conversation[] = array(
2985		- 'role' => $role,
2986		- 'content' => $message['content']
	4381	+
	4382	+ return strlen($data);
	4383	+ });
	4384	+
	4385	+ $response = curl_exec($ch);
	4386	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	4387	+
	4388	+ if (curl_errno($ch) || $http_code !== 200) {
	4389	+ curl_close($ch);
	4390	+
	4391	+ // Fallback to regular response
	4392	+ //error_log("MxChat: OpenAI streaming failed, falling back");
	4393	+ $regular_response = $this->mxchat_generate_response_openai(
	4394	+ $selected_model,
	4395	+ $api_key,
	4396	+ $conversation_history,
	4397	+ $relevant_content
2987	4398	);
	4399	+
	4400	+ $response_data = [
	4401	+ 'text' => $regular_response,
	4402	+ 'html' => '',
	4403	+ 'session_id' => $session_id
	4404	+ ];
	4405	+
	4406	+ if ($testing_data !== null) {
	4407	+ $response_data['testing_data'] = $testing_data;
	4408	+ //error_log("MxChat Testing: Added testing data to OpenAI error fallback");
	4409	+ }
	4410	+
	4411	+ header('Content-Type: application/json');
	4412	+ echo json_encode($response_data);
	4413	+ return true;
2988	4414	}
	4415	+
	4416	+ curl_close($ch);
	4417	+
	4418	+ // Save the complete response to maintain chat persistence
	4419	+ if (!empty($full_response) && !empty($session_id)) {
	4420	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	4421	+ }
	4422	+
	4423	+ return true; // Indicate streaming completed successfully
	4424	+
	4425	+ } catch (Exception $e) {
	4426	+ //error_log("MxChat OpenAI streaming exception: " . $e->getMessage());
	4427	+
	4428	+ // Fallback to regular response
	4429	+ $regular_response = $this->mxchat_generate_response_openai(
	4430	+ $selected_model,
	4431	+ $api_key,
	4432	+ $conversation_history,
	4433	+ $relevant_content
	4434	+ );
	4435	+
	4436	+ $response_data = [
	4437	+ 'text' => $regular_response,
	4438	+ 'html' => '',
	4439	+ 'session_id' => $session_id
	4440	+ ];
	4441	+
	4442	+ if ($testing_data !== null) {
	4443	+ $response_data['testing_data'] = $testing_data;
	4444	+ //error_log("MxChat Testing: Added testing data to OpenAI exception fallback");
	4445	+ }
	4446	+
	4447	+ header('Content-Type: application/json');
	4448	+ echo json_encode($response_data);
	4449	+ return true;
2989	4450	}
	4451	+}
	4452	+private function mxchat_generate_response_claude_stream($selected_model, $claude_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4453	+ try {
	4454	+ // Get system prompt instructions from options
	4455	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
2990	4456
2991		- $body = json_encode([
2992		- 'model' => $selected_model,
2993		- 'messages' => $formatted_conversation,
2994		- 'temperature' => 0.8,
2995		- 'stream' => false
2996		- ]);
	4457	+ // Ensure conversation_history is an array
	4458	+ if (!is_array($conversation_history)) {
	4459	+ $conversation_history = array();
	4460	+ }
2997	4461
2998		- $args = [
2999		- 'body' => $body,
3000		- 'headers' => [
3001		- 'Content-Type' => 'application/json',
3002		- 'Authorization' => 'Bearer ' . $deepseek_api_key,
3003		- ],
3004		- 'timeout' => 60,
3005		- 'redirection' => 5,
3006		- 'blocking' => true,
3007		- 'httpversion' => '1.0',
3008		- 'sslverify' => true,
3009		- ];
	4462	+ // Clean and validate conversation history
	4463	+ foreach ($conversation_history as &$message) {
	4464	+ // Convert bot and agent roles to assistant
	4465	+ if ($message['role'] === 'bot' || $message['role'] === 'agent') {
	4466	+ $message['role'] = 'assistant';
	4467	+ }
	4468	+
	4469	+ // Remove unsupported roles - Claude only supports 'assistant' and 'user'
	4470	+ if (!in_array($message['role'], ['assistant', 'user'])) {
	4471	+ $message['role'] = 'user';
	4472	+ }
3010	4473
3011		- $response = wp_remote_post('https://api.deepseek.com/v1/chat/completions', $args);
	4474	+ // Ensure content field exists
	4475	+ if (!isset($message['content']) || empty($message['content'])) {
	4476	+ $message['content'] = '';
	4477	+ }
3012	4478
3013		- if (is_wp_error($response)) {
3014		- //error_log('DeepSeek API Error: ' . $response->get_error_message());
3015		- return "Sorry, there was an error processing your request.";
3016		- }
	4479	+ // Remove any unsupported fields
	4480	+ $message = array_intersect_key($message, array_flip(['role', 'content']));
	4481	+ }
3017	4482
3018		- $response_body = wp_remote_retrieve_body($response);
3019		- $decoded_response = json_decode($response_body, true);
	4483	+ // Add relevant content as the latest user message
	4484	+ $conversation_history[] = [
	4485	+ 'role' => 'user',
	4486	+ 'content' => $relevant_content
	4487	+ ];
3020	4488
3021		- if (isset($decoded_response['choices'][0]['message']['content'])) {
3022		- return trim($decoded_response['choices'][0]['message']['content']);
3023		- } else {
3024		- //error_log('DeepSeek API Response Format Error: ' . print_r($decoded_response, true));
3025		- return "Sorry, I couldn't process that request.";
3026		- }
3027		-}
	4489	+ // Prepare the request body with stream: true
	4490	+ $body = json_encode([
	4491	+ 'model' => $selected_model,
	4492	+ 'messages' => $conversation_history,
	4493	+ 'max_tokens' => 1000,
	4494	+ 'temperature' => 0.8,
	4495	+ 'system' => $system_prompt_instructions,
	4496	+ 'stream' => true
	4497	+ ]);
3028	4498
3029		-private function mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content) {
3030		- // Ensure conversation_history is an array
3031		- if (!is_array($conversation_history)) {
3032		- $conversation_history = array();
3033		- }
	4499	+ // Check if we can actually stream (headers not sent, etc.)
	4500	+ if (headers_sent() || !function_exists('curl_init')) {
	4501	+ // Fallback to regular response with testing data
	4502	+ //error_log("MxChat: Streaming not possible, falling back to regular response");
	4503	+ $regular_response = $this->mxchat_generate_response_claude(
	4504	+ $selected_model,
	4505	+ $claude_api_key,
	4506	+ array_slice($conversation_history, 0, -1), // Remove the added content
	4507	+ $relevant_content
	4508	+ );
	4509	+
	4510	+ // Return as JSON with testing data
	4511	+ $response_data = [
	4512	+ 'text' => $regular_response,
	4513	+ 'html' => '',
	4514	+ 'session_id' => $session_id
	4515	+ ];
	4516	+
	4517	+ if ($testing_data !== null) {
	4518	+ $response_data['testing_data'] = $testing_data;
	4519	+ //error_log("MxChat Testing: Added testing data to Claude fallback response");
	4520	+ }
	4521	+
	4522	+ // Clear any streaming headers and send JSON
	4523	+ if (headers_sent() === false) {
	4524	+ header('Content-Type: application/json');
	4525	+ }
	4526	+ echo json_encode($response_data);
	4527	+ return true; // Indicate we handled the response
	4528	+ }
3034	4529
3035		- // Get system prompt instructions from options
3036		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4530	+ // Use cURL for streaming support
	4531	+ $ch = curl_init();
	4532	+ curl_setopt($ch, CURLOPT_URL, 'https://api.anthropic.com/v1/messages');
	4533	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4534	+ curl_setopt($ch, CURLOPT_POST, true);
	4535	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4536	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4537	+ 'Content-Type: application/json',
	4538	+ 'x-api-key: ' . $claude_api_key,
	4539	+ 'anthropic-version: 2023-06-01'
	4540	+ ));
	4541	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4542	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
3037	4543
3038		- // Create a new array for the formatted conversation
3039		- $formatted_conversation = array();
	4544	+ $full_response = ''; // Accumulate full response for saving
	4545	+ $stream_started = false;
3040	4546
3041		- // Add system message first
3042		- $formatted_conversation[] = array(
3043		- 'role' => 'system',
3044		- 'content' => $system_prompt_instructions . " " . $relevant_content
3045		- );
	4547	+ // Buffer control for real-time streaming
	4548	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	4549	+ // Send testing data as the first event if available
	4550	+ if (!$stream_started && $testing_data !== null) {
	4551	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4552	+ flush();
	4553	+ $stream_started = true;
	4554	+ //error_log("MxChat Testing: Sent testing data in Claude stream");
	4555	+ }
	4556	+
	4557	+ // Process each chunk of data
	4558	+ $lines = explode("\n", $data);
3046	4559
3047		- // Add the rest of the conversation history
3048		- foreach ($conversation_history as $message) {
3049		- if (is_array($message) && isset($message['role']) && isset($message['content'])) {
3050		- $role = $message['role'];
	4560	+ foreach ($lines as $line) {
	4561	+ if (trim($line) === '') {
	4562	+ continue;
	4563	+ }
3051	4564
3052		- // Convert roles to supported format
3053		- if ($role === 'bot' || $role === 'agent') {
3054		- $role = 'assistant';
	4565	+ // Claude uses event: and data: format
	4566	+ if (strpos($line, 'event: ') === 0) {
	4567	+ // Store the event type for the next data line
	4568	+ continue;
	4569	+ }
	4570	+
	4571	+ if (strpos($line, 'data: ') === 0) {
	4572	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	4573	+
	4574	+ $json = json_decode($json_str, true);
	4575	+ if (json_last_error() !== JSON_ERROR_NONE) {
	4576	+ continue;
	4577	+ }
	4578	+
	4579	+ // Handle different event types
	4580	+ if (isset($json['type'])) {
	4581	+ switch ($json['type']) {
	4582	+ case 'content_block_delta':
	4583	+ if (isset($json['delta']['text'])) {
	4584	+ $content = $json['delta']['text'];
	4585	+ $full_response .= $content; // Accumulate
	4586	+ // Send as SSE format compatible with your frontend
	4587	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	4588	+ flush();
	4589	+ }
	4590	+ break;
	4591	+
	4592	+ case 'message_stop':
	4593	+ echo "data: [DONE]\n\n";
	4594	+ flush();
	4595	+ break;
	4596	+
	4597	+ case 'error':
	4598	+ echo "data: " . json_encode(['error' => $json['error']['message'] ?? 'Unknown error']) . "\n\n";
	4599	+ flush();
	4600	+ break;
	4601	+ }
	4602	+ }
	4603	+ }
3055	4604	}
3056		- if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
3057		- $role = 'user';
3058		- }
3059	4605
3060		- $formatted_conversation[] = array(
3061		- 'role' => $role,
3062		- 'content' => $message['content']
3063		- );
	4606	+ return strlen($data);
	4607	+ });
	4608	+
	4609	+ $response = curl_exec($ch);
	4610	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	4611	+
	4612	+ if (curl_errno($ch)) {
	4613	+ curl_close($ch);
	4614	+ throw new Exception('cURL Error: ' . curl_error($ch));
3064	4615	}
3065		- }
3066	4616
3067		- $body = json_encode([
3068		- 'model' => $selected_model,
3069		- 'messages' => $formatted_conversation,
3070		- 'temperature' => 0.8,
3071		- 'stream' => false
3072		- ]);
	4617	+ curl_close($ch);
3073	4618
3074		- $args = [
3075		- 'body' => $body,
3076		- 'headers' => [
3077		- 'Content-Type' => 'application/json',
3078		- 'Authorization' => 'Bearer ' . $api_key,
3079		- ],
3080		- 'timeout' => 60,
3081		- 'redirection' => 5,
3082		- 'blocking' => true,
3083		- 'httpversion' => '1.0',
3084		- 'sslverify' => true,
3085		- ];
	4619	+ if ($http_code !== 200) {
	4620	+ // Fallback to regular response
	4621	+ //error_log("MxChat: Claude streaming failed with HTTP $http_code, falling back");
	4622	+ $regular_response = $this->mxchat_generate_response_claude(
	4623	+ $selected_model,
	4624	+ $claude_api_key,
	4625	+ array_slice($conversation_history, 0, -1), // Remove the added content
	4626	+ $relevant_content
	4627	+ );
	4628	+
	4629	+ $response_data = [
	4630	+ 'text' => $regular_response,
	4631	+ 'html' => '',
	4632	+ 'session_id' => $session_id
	4633	+ ];
	4634	+
	4635	+ if ($testing_data !== null) {
	4636	+ $response_data['testing_data'] = $testing_data;
	4637	+ //error_log("MxChat Testing: Added testing data to Claude error fallback");
	4638	+ }
	4639	+
	4640	+ header('Content-Type: application/json');
	4641	+ echo json_encode($response_data);
	4642	+ return true;
	4643	+ }
3086	4644
3087		- $response = wp_remote_post('https://api.openai.com/v1/chat/completions', $args);
	4645	+ // Save the complete response to maintain chat persistence
	4646	+ if (!empty($full_response) && !empty($session_id)) {
	4647	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	4648	+ }
3088	4649
3089		- if (is_wp_error($response)) {
3090		- //error_log('OpenAI API Error: ' . $response->get_error_message());
3091		- return "Sorry, there was an error processing your request.";
3092		- }
	4650	+ return true; // Indicate streaming completed successfully
3093	4651
3094		- $response_body = wp_remote_retrieve_body($response);
3095		- $decoded_response = json_decode($response_body, true);
3096		-
3097		- if (isset($decoded_response['choices'][0]['message']['content'])) {
3098		- return trim($decoded_response['choices'][0]['message']['content']);
3099		- } else {
3100		- //error_log('OpenAI API Response Format Error: ' . print_r($decoded_response, true));
3101		- return "Sorry, I couldn't process that request.";
	4652	+ } catch (Exception $e) {
	4653	+ //error_log("MxChat Claude streaming exception: " . $e->getMessage());
	4654	+
	4655	+ // Fallback to regular response on exception
	4656	+ $regular_response = $this->mxchat_generate_response_claude(
	4657	+ $selected_model,
	4658	+ $claude_api_key,
	4659	+ $conversation_history,
	4660	+ $relevant_content
	4661	+ );
	4662	+
	4663	+ $response_data = [
	4664	+ 'text' => $regular_response,
	4665	+ 'html' => '',
	4666	+ 'session_id' => $session_id
	4667	+ ];
	4668	+
	4669	+ if ($testing_data !== null) {
	4670	+ $response_data['testing_data'] = $testing_data;
	4671	+ //error_log("MxChat Testing: Added testing data to Claude exception fallback");
	4672	+ }
	4673	+
	4674	+ header('Content-Type: application/json');
	4675	+ echo json_encode($response_data);
	4676	+ return true;
3102	4677	}
3103	4678	}
3104		-private function mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content) {
3105		- // Get system prompt instructions from options
3106		- $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4679	+private function mxchat_generate_response_xai_stream($selected_model, $xai_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4680	+ try {
	4681	+ // Get system prompt instructions from options
	4682	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4683	+
	4684	+ // Ensure conversation_history is an array
	4685	+ if (!is_array($conversation_history)) {
	4686	+ $conversation_history = array();
	4687	+ }
3107	4688
3108		- // Add system prompt to relevant content
3109		- $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	4689	+ // Format conversation history for X.AI (same as OpenAI format)
	4690	+ $formatted_conversation = array();
3110	4691
3111		- // Prepend system instructions to the conversation history
3112		- array_unshift($conversation_history, [
3113		- 'role' => 'system',
3114		- 'content' => "Here are your instructions: " . $content_with_instructions
3115		- ]);
	4692	+ $formatted_conversation[] = array(
	4693	+ 'role' => 'system',
	4694	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	4695	+ );
3116	4696
3117		- // Ensure consistency: Replace 'bot' and 'agent' roles with supported values
3118		- foreach ($conversation_history as &$message) {
3119		- if ($message['role'] === 'bot') {
3120		- $message['role'] = 'assistant';
3121		- } elseif ($message['role'] === 'agent') {
3122		- // Tag the message as coming from a live agent
3123		- $message['role'] = 'assistant';
3124		- if (!isset($message['metadata'])) {
3125		- $message['metadata'] = ['source' => 'live_agent'];
	4697	+ foreach ($conversation_history as $message) {
	4698	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	4699	+ $role = $message['role'];
	4700	+ if ($role === 'bot' || $role === 'agent') {
	4701	+ $role = 'assistant';
	4702	+ }
	4703	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	4704	+ $role = 'user';
	4705	+ }
	4706	+ $formatted_conversation[] = array(
	4707	+ 'role' => $role,
	4708	+ 'content' => $message['content']
	4709	+ );
3126	4710	}
3127	4711	}
3128	4712
3129		- // Ensure all roles are valid
3130		- if (!in_array($message['role'], ['system', 'assistant', 'user', 'function', 'tool'])) {
3131		- $message['role'] = 'user'; // Default to 'user'
	4713	+ // Check if we can actually stream
	4714	+ if (headers_sent() || !function_exists('curl_init')) {
	4715	+ // Fallback to regular response with testing data
	4716	+ //error_log("MxChat: X.AI streaming not possible, falling back to regular response");
	4717	+ $regular_response = $this->mxchat_generate_response_xai(
	4718	+ $selected_model,
	4719	+ $xai_api_key,
	4720	+ $conversation_history,
	4721	+ $relevant_content
	4722	+ );
	4723	+
	4724	+ $response_data = [
	4725	+ 'text' => $regular_response,
	4726	+ 'html' => '',
	4727	+ 'session_id' => $session_id
	4728	+ ];
	4729	+
	4730	+ if ($testing_data !== null) {
	4731	+ $response_data['testing_data'] = $testing_data;
	4732	+ //error_log("MxChat Testing: Added testing data to X.AI fallback response");
	4733	+ }
	4734	+
	4735	+ header('Content-Type: application/json');
	4736	+ echo json_encode($response_data);
	4737	+ return true;
3132	4738	}
	4739	+
	4740	+ // Prepare the request body with stream: true
	4741	+ $body = json_encode([
	4742	+ 'model' => $selected_model,
	4743	+ 'messages' => $formatted_conversation,
	4744	+ 'temperature' => 0.8,
	4745	+ 'stream' => true
	4746	+ ]);
	4747	+
	4748	+ // Use cURL for streaming support
	4749	+ $ch = curl_init();
	4750	+ curl_setopt($ch, CURLOPT_URL, 'https://api.x.ai/v1/chat/completions');
	4751	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4752	+ curl_setopt($ch, CURLOPT_POST, true);
	4753	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4754	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4755	+ 'Content-Type: application/json',
	4756	+ 'Authorization: Bearer ' . $xai_api_key
	4757	+ ));
	4758	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4759	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	4760	+
	4761	+ $full_response = ''; // Accumulate full response for saving
	4762	+ $stream_started = false;
	4763	+
	4764	+ // Buffer control for real-time streaming
	4765	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	4766	+ // Send testing data as the first event if available
	4767	+ if (!$stream_started && $testing_data !== null) {
	4768	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4769	+ flush();
	4770	+ $stream_started = true;
	4771	+ //error_log("MxChat Testing: Sent testing data in X.AI stream");
	4772	+ }
	4773	+
	4774	+ // Process each chunk of data
	4775	+ $lines = explode("\n", $data);
	4776	+
	4777	+ foreach ($lines as $line) {
	4778	+ if (trim($line) === '' || strpos($line, 'data: ') !== 0) {
	4779	+ continue;
	4780	+ }
	4781	+
	4782	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	4783	+
	4784	+ if ($json_str === '[DONE]') {
	4785	+ echo "data: [DONE]\n\n";
	4786	+ flush();
	4787	+ continue;
	4788	+ }
	4789	+
	4790	+ $json = json_decode($json_str, true);
	4791	+ if (isset($json['choices'][0]['delta']['content'])) {
	4792	+ $content = $json['choices'][0]['delta']['content'];
	4793	+ $full_response .= $content; // Accumulate
	4794	+ // Send as SSE format
	4795	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	4796	+ flush();
	4797	+ }
	4798	+ }
	4799	+
	4800	+ return strlen($data);
	4801	+ });
	4802	+
	4803	+ $response = curl_exec($ch);
	4804	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	4805	+
	4806	+ if (curl_errno($ch) || $http_code !== 200) {
	4807	+ curl_close($ch);
	4808	+
	4809	+ // Fallback to regular response
	4810	+ //error_log("MxChat: X.AI streaming failed, falling back");
	4811	+ $regular_response = $this->mxchat_generate_response_xai(
	4812	+ $selected_model,
	4813	+ $xai_api_key,
	4814	+ $conversation_history,
	4815	+ $relevant_content
	4816	+ );
	4817	+
	4818	+ $response_data = [
	4819	+ 'text' => $regular_response,
	4820	+ 'html' => '',
	4821	+ 'session_id' => $session_id
	4822	+ ];
	4823	+
	4824	+ if ($testing_data !== null) {
	4825	+ $response_data['testing_data'] = $testing_data;
	4826	+ //error_log("MxChat Testing: Added testing data to X.AI error fallback");
	4827	+ }
	4828	+
	4829	+ header('Content-Type: application/json');
	4830	+ echo json_encode($response_data);
	4831	+ return true;
	4832	+ }
	4833	+
	4834	+ curl_close($ch);
	4835	+
	4836	+ // Save the complete response to maintain chat persistence
	4837	+ if (!empty($full_response) && !empty($session_id)) {
	4838	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	4839	+ }
	4840	+
	4841	+ return true; // Indicate streaming completed successfully
	4842	+
	4843	+ } catch (Exception $e) {
	4844	+ //error_log("MxChat X.AI streaming exception: " . $e->getMessage());
	4845	+
	4846	+ // Fallback to regular response
	4847	+ $regular_response = $this->mxchat_generate_response_xai(
	4848	+ $selected_model,
	4849	+ $xai_api_key,
	4850	+ $conversation_history,
	4851	+ $relevant_content
	4852	+ );
	4853	+
	4854	+ $response_data = [
	4855	+ 'text' => $regular_response,
	4856	+ 'html' => '',
	4857	+ 'session_id' => $session_id
	4858	+ ];
	4859	+
	4860	+ if ($testing_data !== null) {
	4861	+ $response_data['testing_data'] = $testing_data;
	4862	+ //error_log("MxChat Testing: Added testing data to X.AI exception fallback");
	4863	+ }
	4864	+
	4865	+ header('Content-Type: application/json');
	4866	+ echo json_encode($response_data);
	4867	+ return true;
3133	4868	}
	4869	+}
	4870	+private function mxchat_generate_response_deepseek_stream($selected_model, $deepseek_api_key, $conversation_history, $relevant_content, $session_id, $testing_data = null) {
	4871	+ try {
	4872	+ // Get system prompt instructions from options
	4873	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	4874	+
	4875	+ // Ensure conversation_history is an array
	4876	+ if (!is_array($conversation_history)) {
	4877	+ $conversation_history = array();
	4878	+ }
3134	4879
	4880	+ // Format conversation history for DeepSeek
	4881	+ $formatted_conversation = array();
3135	4882
3136		- // Build the request body
3137		- $body = json_encode([
3138		- 'model' => $selected_model,
3139		- 'messages' => $conversation_history,
3140		- 'temperature' => 0.8,
3141		- 'stream' => false
3142		- ]);
	4883	+ $formatted_conversation[] = array(
	4884	+ 'role' => 'system',
	4885	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	4886	+ );
3143	4887
3144		- // Set up the API request
3145		- $args = [
3146		- 'body' => $body,
3147		- 'headers' => [
3148		- 'Content-Type' => 'application/json',
3149		- 'Authorization' => 'Bearer ' . $xai_api_key,
3150		- ],
3151		- 'timeout' => 60,
3152		- 'redirection' => 5,
3153		- 'blocking' => true,
3154		- 'httpversion' => '1.0',
3155		- 'sslverify' => true,
3156		- ];
	4888	+ foreach ($conversation_history as $message) {
	4889	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	4890	+ $role = $message['role'];
	4891	+ if ($role === 'bot' || $role === 'agent') {
	4892	+ $role = 'assistant';
	4893	+ }
	4894	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	4895	+ $role = 'user';
	4896	+ }
	4897	+ $formatted_conversation[] = array(
	4898	+ 'role' => $role,
	4899	+ 'content' => $message['content']
	4900	+ );
	4901	+ }
	4902	+ }
3157	4903
3158		- // Make the API request
3159		- $response = wp_remote_post('https://api.x.ai/v1/chat/completions', $args);
	4904	+ // Check if we can actually stream
	4905	+ if (headers_sent() || !function_exists('curl_init')) {
	4906	+ // Fallback to regular response with testing data
	4907	+ //error_log("MxChat: DeepSeek streaming not possible, falling back to regular response");
	4908	+ $regular_response = $this->mxchat_generate_response_deepseek(
	4909	+ $selected_model,
	4910	+ $deepseek_api_key,
	4911	+ $conversation_history,
	4912	+ $relevant_content
	4913	+ );
	4914	+
	4915	+ $response_data = [
	4916	+ 'text' => $regular_response,
	4917	+ 'html' => '',
	4918	+ 'session_id' => $session_id
	4919	+ ];
	4920	+
	4921	+ if ($testing_data !== null) {
	4922	+ $response_data['testing_data'] = $testing_data;
	4923	+ //error_log("MxChat Testing: Added testing data to DeepSeek fallback response");
	4924	+ }
	4925	+
	4926	+ header('Content-Type: application/json');
	4927	+ echo json_encode($response_data);
	4928	+ return true;
	4929	+ }
3160	4930
3161		- // Process the response
3162		- if (is_wp_error($response)) {
3163		- return "Sorry, there was an error processing your request.";
3164		- }
	4931	+ // Prepare the request body with stream: true
	4932	+ $body = json_encode([
	4933	+ 'model' => $selected_model,
	4934	+ 'messages' => $formatted_conversation,
	4935	+ 'temperature' => 0.8,
	4936	+ 'stream' => true
	4937	+ ]);
3165	4938
3166		- $response_body = json_decode(wp_remote_retrieve_body($response), true);
3167		-
3168		- if (isset($response_body['choices'][0]['message']['content'])) {
3169		- return trim($response_body['choices'][0]['message']['content']);
3170		- } else {
3171		- return "Sorry, I couldn't process that request.";
	4939	+ // Use cURL for streaming support
	4940	+ $ch = curl_init();
	4941	+ curl_setopt($ch, CURLOPT_URL, 'https://api.deepseek.com/v1/chat/completions');
	4942	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
	4943	+ curl_setopt($ch, CURLOPT_POST, true);
	4944	+ curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
	4945	+ curl_setopt($ch, CURLOPT_HTTPHEADER, array(
	4946	+ 'Content-Type: application/json',
	4947	+ 'Authorization: Bearer ' . $deepseek_api_key
	4948	+ ));
	4949	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	4950	+ curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	4951	+
	4952	+ $full_response = ''; // Accumulate full response for saving
	4953	+ $stream_started = false;
	4954	+
	4955	+ // Buffer control for real-time streaming
	4956	+ curl_setopt($ch, CURLOPT_WRITEFUNCTION, function($ch, $data) use (&$full_response, &$stream_started, $testing_data) {
	4957	+ // Send testing data as the first event if available
	4958	+ if (!$stream_started && $testing_data !== null) {
	4959	+ echo "data: " . json_encode(['testing_data' => $testing_data]) . "\n\n";
	4960	+ flush();
	4961	+ $stream_started = true;
	4962	+ //error_log("MxChat Testing: Sent testing data in DeepSeek stream");
	4963	+ }
	4964	+
	4965	+ // Process each chunk of data
	4966	+ $lines = explode("\n", $data);
	4967	+
	4968	+ foreach ($lines as $line) {
	4969	+ if (trim($line) === '' || strpos($line, 'data: ') !== 0) {
	4970	+ continue;
	4971	+ }
	4972	+
	4973	+ $json_str = substr($line, 6); // Remove 'data: ' prefix
	4974	+
	4975	+ if ($json_str === '[DONE]') {
	4976	+ echo "data: [DONE]\n\n";
	4977	+ flush();
	4978	+ continue;
	4979	+ }
	4980	+
	4981	+ $json = json_decode($json_str, true);
	4982	+ if (isset($json['choices'][0]['delta']['content'])) {
	4983	+ $content = $json['choices'][0]['delta']['content'];
	4984	+ $full_response .= $content; // Accumulate
	4985	+ // Send as SSE format
	4986	+ echo "data: " . json_encode(['content' => $content]) . "\n\n";
	4987	+ flush();
	4988	+ }
	4989	+ }
	4990	+
	4991	+ return strlen($data);
	4992	+ });
	4993	+
	4994	+ $response = curl_exec($ch);
	4995	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	4996	+
	4997	+ if (curl_errno($ch) || $http_code !== 200) {
	4998	+ $curl_error = curl_error($ch);
	4999	+ curl_close($ch);
	5000	+
	5001	+ // Log the specific error for debugging
	5002	+ //error_log("MxChat: DeepSeek streaming failed - HTTP: $http_code, cURL: $curl_error");
	5003	+
	5004	+ // Fallback to regular response
	5005	+ $regular_response = $this->mxchat_generate_response_deepseek(
	5006	+ $selected_model,
	5007	+ $deepseek_api_key,
	5008	+ $conversation_history,
	5009	+ $relevant_content
	5010	+ );
	5011	+
	5012	+ // Handle error response from regular function
	5013	+ if (is_array($regular_response) && isset($regular_response['error'])) {
	5014	+ if ($testing_data !== null) {
	5015	+ $regular_response['testing_data'] = $testing_data;
	5016	+ }
	5017	+ header('Content-Type: application/json');
	5018	+ echo json_encode($regular_response);
	5019	+ return true;
	5020	+ }
	5021	+
	5022	+ $response_data = [
	5023	+ 'text' => $regular_response,
	5024	+ 'html' => '',
	5025	+ 'session_id' => $session_id
	5026	+ ];
	5027	+
	5028	+ if ($testing_data !== null) {
	5029	+ $response_data['testing_data'] = $testing_data;
	5030	+ //error_log("MxChat Testing: Added testing data to DeepSeek error fallback");
	5031	+ }
	5032	+
	5033	+ header('Content-Type: application/json');
	5034	+ echo json_encode($response_data);
	5035	+ return true;
	5036	+ }
	5037	+
	5038	+ curl_close($ch);
	5039	+
	5040	+ // Save the complete response to maintain chat persistence
	5041	+ if (!empty($full_response) && !empty($session_id)) {
	5042	+ $this->mxchat_save_chat_message($session_id, 'bot', $full_response);
	5043	+ }
	5044	+
	5045	+ return true; // Indicate streaming completed successfully
	5046	+
	5047	+ } catch (Exception $e) {
	5048	+ //error_log("MxChat DeepSeek streaming exception: " . $e->getMessage());
	5049	+
	5050	+ // Fallback to regular response
	5051	+ $regular_response = $this->mxchat_generate_response_deepseek(
	5052	+ $selected_model,
	5053	+ $deepseek_api_key,
	5054	+ $conversation_history,
	5055	+ $relevant_content
	5056	+ );
	5057	+
	5058	+ // Handle error response from regular function
	5059	+ if (is_array($regular_response) && isset($regular_response['error'])) {
	5060	+ if ($testing_data !== null) {
	5061	+ $regular_response['testing_data'] = $testing_data;
	5062	+ }
	5063	+ header('Content-Type: application/json');
	5064	+ echo json_encode($regular_response);
	5065	+ return true;
	5066	+ }
	5067	+
	5068	+ $response_data = [
	5069	+ 'text' => $regular_response,
	5070	+ 'html' => '',
	5071	+ 'session_id' => $session_id
	5072	+ ];
	5073	+
	5074	+ if ($testing_data !== null) {
	5075	+ $response_data['testing_data'] = $testing_data;
	5076	+ //error_log("MxChat Testing: Added testing data to DeepSeek exception fallback");
	5077	+ }
	5078	+
	5079	+ header('Content-Type: application/json');
	5080	+ echo json_encode($response_data);
	5081	+ return true;
3172	5082	}
3173	5083	}
3174	5084
3175	5085	private function mxchat_generate_response_claude($selected_model, $claude_api_key, $conversation_history, $relevant_content) {
		@@ -3271,8 +5181,784 @@
3271	5181	// Log unexpected response format
3272	5182	//error_log("Claude API unexpected response format: " . print_r($response_body, true));
3273	5183	return "Sorry, I received an unexpected response format from the API.";
3274	5184	}
	5185	+private function mxchat_generate_response_openai($selected_model, $api_key, $conversation_history, $relevant_content) {
	5186	+ try {
	5187	+ // Ensure conversation_history is an array
	5188	+ if (!is_array($conversation_history)) {
	5189	+ $conversation_history = array();
	5190	+ }
	5191	+
	5192	+ // Get system prompt instructions from options
	5193	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	5194	+
	5195	+ // Create a new array for the formatted conversation
	5196	+ $formatted_conversation = array();
	5197	+
	5198	+ // Add system message first
	5199	+ $formatted_conversation[] = array(
	5200	+ 'role' => 'system',
	5201	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	5202	+ );
	5203	+
	5204	+ // Add the rest of the conversation history
	5205	+ foreach ($conversation_history as $message) {
	5206	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	5207	+ $role = $message['role'];
	5208	+
	5209	+ // Convert roles to supported format
	5210	+ if ($role === 'bot' || $role === 'agent') {
	5211	+ $role = 'assistant';
	5212	+ }
	5213	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	5214	+ $role = 'user';
	5215	+ }
	5216	+
	5217	+ $formatted_conversation[] = array(
	5218	+ 'role' => $role,
	5219	+ 'content' => $message['content']
	5220	+ );
	5221	+ }
	5222	+ }
	5223	+
	5224	+ $body = json_encode([
	5225	+ 'model' => $selected_model,
	5226	+ 'messages' => $formatted_conversation,
	5227	+ 'temperature' => 1,
	5228	+ 'stream' => false
	5229	+ ]);
	5230	+
	5231	+ $args = [
	5232	+ 'body' => $body,
	5233	+ 'headers' => [
	5234	+ 'Content-Type' => 'application/json',
	5235	+ 'Authorization' => 'Bearer ' . $api_key,
	5236	+ ],
	5237	+ 'timeout' => 60,
	5238	+ 'redirection' => 5,
	5239	+ 'blocking' => true,
	5240	+ 'httpversion' => '1.0',
	5241	+ 'sslverify' => true,
	5242	+ ];
	5243	+
	5244	+ $response = wp_remote_post('https://api.openai.com/v1/chat/completions', $args);
	5245	+
	5246	+ if (is_wp_error($response)) {
	5247	+ $error_message = $response->get_error_message();
	5248	+ //error_log('OpenAI API Error: ' . $error_message);
	5249	+ return [
	5250	+ 'error' => esc_html__('Connection error when contacting OpenAI: ', 'mxchat') . esc_html($error_message),
	5251	+ 'error_code' => 'openai_connection_error',
	5252	+ 'provider' => 'openai'
	5253	+ ];
	5254	+ }
	5255	+
	5256	+ $status_code = wp_remote_retrieve_response_code($response);
	5257	+ if ($status_code !== 200) {
	5258	+ $response_body = wp_remote_retrieve_body($response);
	5259	+ $decoded_response = json_decode($response_body, true);
	5260	+
	5261	+ $error_message = isset($decoded_response['error']['message'])
	5262	+ ? $decoded_response['error']['message']
	5263	+ : 'HTTP Error ' . $status_code;
	5264	+
	5265	+ $error_type = isset($decoded_response['error']['type'])
	5266	+ ? $decoded_response['error']['type']
	5267	+ : 'unknown';
	5268	+
	5269	+ //error_log('OpenAI API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5270	+
	5271	+ // Handle specific error types
	5272	+ switch ($error_type) {
	5273	+ case 'invalid_request_error':
	5274	+ if (strpos($error_message, 'API key') !== false) {
	5275	+ return [
	5276	+ 'error' => esc_html__('Invalid OpenAI API key. Please check your API key configuration.', 'mxchat'),
	5277	+ 'error_code' => 'openai_invalid_api_key',
	5278	+ 'provider' => 'openai'
	5279	+ ];
	5280	+ }
	5281	+ break;
	5282	+
	5283	+ case 'authentication_error':
	5284	+ return [
	5285	+ 'error' => esc_html__('Authentication failed with OpenAI. Please check your API key.', 'mxchat'),
	5286	+ 'error_code' => 'openai_auth_error',
	5287	+ 'provider' => 'openai'
	5288	+ ];
	5289	+
	5290	+ case 'rate_limit_exceeded':
	5291	+ return [
	5292	+ 'error' => esc_html__('OpenAI rate limit exceeded. Please try again later.', 'mxchat'),
	5293	+ 'error_code' => 'openai_rate_limit',
	5294	+ 'provider' => 'openai'
	5295	+ ];
	5296	+
	5297	+ case 'quota_exceeded':
	5298	+ return [
	5299	+ 'error' => esc_html__('OpenAI API quota exceeded. Please check your billing details.', 'mxchat'),
	5300	+ 'error_code' => 'openai_quota_exceeded',
	5301	+ 'provider' => 'openai'
	5302	+ ];
	5303	+ }
	5304	+
	5305	+ // Generic error fallback
	5306	+ return [
	5307	+ 'error' => esc_html__('OpenAI API error: ', 'mxchat') . esc_html($error_message),
	5308	+ 'error_code' => 'openai_api_error',
	5309	+ 'provider' => 'openai',
	5310	+ 'status_code' => $status_code
	5311	+ ];
	5312	+ }
	5313	+
	5314	+ $response_body = wp_remote_retrieve_body($response);
	5315	+ $decoded_response = json_decode($response_body, true);
	5316	+
	5317	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5318	+ return trim($decoded_response['choices'][0]['message']['content']);
	5319	+ } else {
	5320	+ //error_log('OpenAI API Response Format Error: ' . print_r($decoded_response, true));
	5321	+ return [
	5322	+ 'error' => esc_html__('Unexpected response format from OpenAI.', 'mxchat'),
	5323	+ 'error_code' => 'openai_response_format_error',
	5324	+ 'provider' => 'openai'
	5325	+ ];
	5326	+ }
	5327	+ } catch (Exception $e) {
	5328	+ //error_log('OpenAI Exception: ' . $e->getMessage());
	5329	+ return [
	5330	+ 'error' => esc_html__('System error when processing OpenAI request: ', 'mxchat') . esc_html($e->getMessage()),
	5331	+ 'error_code' => 'openai_exception',
	5332	+ 'provider' => 'openai'
	5333	+ ];
	5334	+ }
	5335	+}
	5336	+private function mxchat_generate_response_xai($selected_model, $xai_api_key, $conversation_history, $relevant_content) {
	5337	+ try {
	5338	+ // Get system prompt instructions from options
	5339	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	5340	+
	5341	+ // Add system prompt to relevant content
	5342	+ $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	5343	+
	5344	+ // Prepend system instructions to the conversation history
	5345	+ array_unshift($conversation_history, [
	5346	+ 'role' => 'system',
	5347	+ 'content' => "Here are your instructions: " . $content_with_instructions
	5348	+ ]);
	5349	+
	5350	+ // Ensure consistency: Replace 'bot' and 'agent' roles with supported values
	5351	+ foreach ($conversation_history as &$message) {
	5352	+ if ($message['role'] === 'bot') {
	5353	+ $message['role'] = 'assistant';
	5354	+ } elseif ($message['role'] === 'agent') {
	5355	+ // Tag the message as coming from a live agent
	5356	+ $message['role'] = 'assistant';
	5357	+ if (!isset($message['metadata'])) {
	5358	+ $message['metadata'] = ['source' => 'live_agent'];
	5359	+ }
	5360	+ }
	5361	+
	5362	+ // Ensure all roles are valid
	5363	+ if (!in_array($message['role'], ['system', 'assistant', 'user', 'function', 'tool'])) {
	5364	+ $message['role'] = 'user'; // Default to 'user'
	5365	+ }
	5366	+ }
	5367	+
	5368	+ // Build the request body
	5369	+ $body = json_encode([
	5370	+ 'model' => $selected_model,
	5371	+ 'messages' => $conversation_history,
	5372	+ 'temperature' => 0.8,
	5373	+ 'stream' => false
	5374	+ ]);
	5375	+
	5376	+ // Set up the API request
	5377	+ $args = [
	5378	+ 'body' => $body,
	5379	+ 'headers' => [
	5380	+ 'Content-Type' => 'application/json',
	5381	+ 'Authorization' => 'Bearer ' . $xai_api_key,
	5382	+ ],
	5383	+ 'timeout' => 60,
	5384	+ 'redirection' => 5,
	5385	+ 'blocking' => true,
	5386	+ 'httpversion' => '1.0',
	5387	+ 'sslverify' => true,
	5388	+ ];
	5389	+
	5390	+ // Make the API request
	5391	+ $response = wp_remote_post('https://api.x.ai/v1/chat/completions', $args);
	5392	+
	5393	+ // Process the response
	5394	+ if (is_wp_error($response)) {
	5395	+ $error_message = $response->get_error_message();
	5396	+ //error_log('X.AI API Error: ' . $error_message);
	5397	+ return [
	5398	+ 'error' => esc_html__('Connection error when contacting X.AI: ', 'mxchat') . esc_html($error_message),
	5399	+ 'error_code' => 'xai_connection_error',
	5400	+ 'provider' => 'xai'
	5401	+ ];
	5402	+ }
	5403	+
	5404	+ $status_code = wp_remote_retrieve_response_code($response);
	5405	+ if ($status_code !== 200) {
	5406	+ $response_body = wp_remote_retrieve_body($response);
	5407	+ $decoded_response = json_decode($response_body, true);
	5408	+
	5409	+ // Log the full response for debugging
	5410	+ //error_log('X.AI Error Response: ' . print_r($decoded_response, true));
	5411	+
	5412	+ // Extract error message from X.AI's specific format
	5413	+ $error_message = '';
	5414	+
	5415	+ // Check for direct error string (as seen in your logs)
	5416	+ if (isset($decoded_response['error']) && is_string($decoded_response['error'])) {
	5417	+ $error_message = $decoded_response['error'];
	5418	+ }
	5419	+ // Check for nested error object (OpenAI style)
	5420	+ elseif (isset($decoded_response['error']['message'])) {
	5421	+ $error_message = $decoded_response['error']['message'];
	5422	+ }
	5423	+ // Check for top-level message
	5424	+ elseif (isset($decoded_response['message'])) {
	5425	+ $error_message = $decoded_response['message'];
	5426	+ }
	5427	+ // Fallback
	5428	+ else {
	5429	+ $error_message = 'HTTP Error ' . $status_code;
	5430	+ }
	5431	+
	5432	+ //error_log('X.AI API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5433	+
	5434	+ // Check for API key errors using string matching
	5435	+ if (stripos($error_message, 'api key') !== false ||
	5436	+ stripos($error_message, 'incorrect api key') !== false ||
	5437	+ stripos($error_message, 'invalid api key') !== false) {
	5438	+ return [
	5439	+ 'error' => esc_html__('Invalid X.AI API key. Please check your API key configuration.', 'mxchat'),
	5440	+ 'error_code' => 'xai_invalid_api_key',
	5441	+ 'provider' => 'xai'
	5442	+ ];
	5443	+ }
	5444	+
	5445	+ // Authentication errors
	5446	+ if ($status_code === 401 || $status_code === 403 ||
	5447	+ stripos($error_message, 'auth') !== false) {
	5448	+ return [
	5449	+ 'error' => esc_html__('Authentication failed with X.AI. Please check your API key.', 'mxchat'),
	5450	+ 'error_code' => 'xai_auth_error',
	5451	+ 'provider' => 'xai'
	5452	+ ];
	5453	+ }
	5454	+
	5455	+ // Model errors
	5456	+ if (stripos($error_message, 'model') !== false) {
	5457	+ return [
	5458	+ 'error' => esc_html__('Invalid model specified for X.AI. Please check your model configuration.', 'mxchat'),
	5459	+ 'error_code' => 'xai_invalid_model',
	5460	+ 'provider' => 'xai'
	5461	+ ];
	5462	+ }
	5463	+
	5464	+ // Rate limit errors
	5465	+ if ($status_code === 429 ||
	5466	+ stripos($error_message, 'rate') !== false ||
	5467	+ stripos($error_message, 'limit') !== false) {
	5468	+ return [
	5469	+ 'error' => esc_html__('X.AI rate limit exceeded. Please try again later.', 'mxchat'),
	5470	+ 'error_code' => 'xai_rate_limit',
	5471	+ 'provider' => 'xai'
	5472	+ ];
	5473	+ }
	5474	+
	5475	+ // Quota errors
	5476	+ if (stripos($error_message, 'quota') !== false ||
	5477	+ stripos($error_message, 'billing') !== false) {
	5478	+ return [
	5479	+ 'error' => esc_html__('X.AI API quota exceeded. Please check your billing details.', 'mxchat'),
	5480	+ 'error_code' => 'xai_quota_exceeded',
	5481	+ 'provider' => 'xai'
	5482	+ ];
	5483	+ }
	5484	+
	5485	+ // Server errors
	5486	+ if ($status_code >= 500) {
	5487	+ return [
	5488	+ 'error' => esc_html__('X.AI service is currently unavailable. Please try again later.', 'mxchat'),
	5489	+ 'error_code' => 'xai_service_unavailable',
	5490	+ 'provider' => 'xai'
	5491	+ ];
	5492	+ }
	5493	+
	5494	+ // Generic error fallback with the actual error message
	5495	+ return [
	5496	+ 'error' => esc_html__('X.AI API error: ', 'mxchat') . esc_html($error_message),
	5497	+ 'error_code' => 'xai_api_error',
	5498	+ 'provider' => 'xai',
	5499	+ 'status_code' => $status_code
	5500	+ ];
	5501	+ }
	5502	+
	5503	+ $response_body = wp_remote_retrieve_body($response);
	5504	+ $decoded_response = json_decode($response_body, true);
	5505	+
	5506	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5507	+ return trim($decoded_response['choices'][0]['message']['content']);
	5508	+ } else {
	5509	+ //error_log('X.AI API Response Format Error: ' . print_r($decoded_response, true));
	5510	+ return [
	5511	+ 'error' => esc_html__('Unexpected response format from X.AI.', 'mxchat'),
	5512	+ 'error_code' => 'xai_response_format_error',
	5513	+ 'provider' => 'xai'
	5514	+ ];
	5515	+ }
	5516	+} catch (Exception $e) {
	5517	+ //error_log('X.AI Exception: ' . $e->getMessage());
	5518	+ return [
	5519	+ 'error' => esc_html__('System error when processing X.AI request: ', 'mxchat') . esc_html($e->getMessage()),
	5520	+ 'error_code' => 'xai_exception',
	5521	+ 'provider' => 'xai'
	5522	+ ];
	5523	+}
	5524	+
	5525	+
	5526	+}
	5527	+private function mxchat_generate_response_deepseek($selected_model, $deepseek_api_key, $conversation_history, $relevant_content) {
	5528	+ try {
	5529	+ // Ensure conversation_history is an array
	5530	+ if (!is_array($conversation_history)) {
	5531	+ $conversation_history = array();
	5532	+ }
	5533	+
	5534	+ // Get system prompt instructions from options
	5535	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	5536	+
	5537	+ // Create a new array for the formatted conversation
	5538	+ $formatted_conversation = array();
	5539	+
	5540	+ // Add system message first
	5541	+ $formatted_conversation[] = array(
	5542	+ 'role' => 'system',
	5543	+ 'content' => $system_prompt_instructions . " " . $relevant_content
	5544	+ );
	5545	+
	5546	+ // Add the rest of the conversation history
	5547	+ foreach ($conversation_history as $message) {
	5548	+ if (is_array($message) && isset($message['role']) && isset($message['content'])) {
	5549	+ $role = $message['role'];
	5550	+
	5551	+ // Convert roles to supported format
	5552	+ if ($role === 'bot' || $role === 'agent') {
	5553	+ $role = 'assistant';
	5554	+ }
	5555	+ if (!in_array($role, ['system', 'assistant', 'user', 'function', 'tool'])) {
	5556	+ $role = 'user';
	5557	+ }
	5558	+
	5559	+ $formatted_conversation[] = array(
	5560	+ 'role' => $role,
	5561	+ 'content' => $message['content']
	5562	+ );
	5563	+ }
	5564	+ }
	5565	+
	5566	+ $body = json_encode([
	5567	+ 'model' => $selected_model,
	5568	+ 'messages' => $formatted_conversation,
	5569	+ 'temperature' => 0.8,
	5570	+ 'stream' => false
	5571	+ ]);
	5572	+
	5573	+ $args = [
	5574	+ 'body' => $body,
	5575	+ 'headers' => [
	5576	+ 'Content-Type' => 'application/json',
	5577	+ 'Authorization' => 'Bearer ' . $deepseek_api_key,
	5578	+ ],
	5579	+ 'timeout' => 60,
	5580	+ 'redirection' => 5,
	5581	+ 'blocking' => true,
	5582	+ 'httpversion' => '1.0',
	5583	+ 'sslverify' => true,
	5584	+ ];
	5585	+
	5586	+ $response = wp_remote_post('https://api.deepseek.com/v1/chat/completions', $args);
	5587	+
	5588	+ if (is_wp_error($response)) {
	5589	+ $error_message = $response->get_error_message();
	5590	+ //error_log('DeepSeek API Error: ' . $error_message);
	5591	+ return [
	5592	+ 'error' => esc_html__('Connection error when contacting DeepSeek: ', 'mxchat') . esc_html($error_message),
	5593	+ 'error_code' => 'deepseek_connection_error',
	5594	+ 'provider' => 'deepseek'
	5595	+ ];
	5596	+ }
	5597	+
	5598	+ $status_code = wp_remote_retrieve_response_code($response);
	5599	+ if ($status_code !== 200) {
	5600	+ $response_body = wp_remote_retrieve_body($response);
	5601	+ $decoded_response = json_decode($response_body, true);
	5602	+
	5603	+ $error_message = isset($decoded_response['error']['message'])
	5604	+ ? $decoded_response['error']['message']
	5605	+ : 'HTTP Error ' . $status_code;
	5606	+
	5607	+ $error_type = isset($decoded_response['error']['type'])
	5608	+ ? $decoded_response['error']['type']
	5609	+ : 'unknown';
	5610	+
	5611	+ //error_log('DeepSeek API HTTP Error: ' . $status_code . ' - ' . $error_message);
	5612	+
	5613	+ // Handle specific error types
	5614	+ switch ($status_code) {
	5615	+ case 401:
	5616	+ return [
	5617	+ 'error' => esc_html__('Authentication failed with DeepSeek. Please check your API key.', 'mxchat'),
	5618	+ 'error_code' => 'deepseek_auth_error',
	5619	+ 'provider' => 'deepseek'
	5620	+ ];
	5621	+
	5622	+ case 400:
	5623	+ if (strpos($error_message, 'API key') !== false) {
	5624	+ return [
	5625	+ 'error' => esc_html__('Invalid DeepSeek API key. Please check your API key configuration.', 'mxchat'),
	5626	+ 'error_code' => 'deepseek_invalid_api_key',
	5627	+ 'provider' => 'deepseek'
	5628	+ ];
	5629	+ }
	5630	+ break;
	5631	+
	5632	+ case 429:
	5633	+ if (strpos($error_message, 'quota') !== false) {
	5634	+ return [
	5635	+ 'error' => esc_html__('DeepSeek API quota exceeded. Please check your billing details.', 'mxchat'),
	5636	+ 'error_code' => 'deepseek_quota_exceeded',
	5637	+ 'provider' => 'deepseek'
	5638	+ ];
	5639	+ } else {
	5640	+ return [
	5641	+ 'error' => esc_html__('DeepSeek rate limit exceeded. Please try again later.', 'mxchat'),
	5642	+ 'error_code' => 'deepseek_rate_limit',
	5643	+ 'provider' => 'deepseek'
	5644	+ ];
	5645	+ }
	5646	+
	5647	+ case 500:
	5648	+ case 502:
	5649	+ case 503:
	5650	+ case 504:
	5651	+ return [
	5652	+ 'error' => esc_html__('DeepSeek service is currently unavailable. Please try again later.', 'mxchat'),
	5653	+ 'error_code' => 'deepseek_service_unavailable',
	5654	+ 'provider' => 'deepseek'
	5655	+ ];
	5656	+ }
	5657	+
	5658	+ // Generic error fallback
	5659	+ return [
	5660	+ 'error' => esc_html__('DeepSeek API error: ', 'mxchat') . esc_html($error_message),
	5661	+ 'error_code' => 'deepseek_api_error',
	5662	+ 'provider' => 'deepseek',
	5663	+ 'status_code' => $status_code
	5664	+ ];
	5665	+ }
	5666	+
	5667	+ $response_body = wp_remote_retrieve_body($response);
	5668	+ $decoded_response = json_decode($response_body, true);
	5669	+
	5670	+ if (isset($decoded_response['choices'][0]['message']['content'])) {
	5671	+ return trim($decoded_response['choices'][0]['message']['content']);
	5672	+ } else {
	5673	+ //error_log('DeepSeek API Response Format Error: ' . print_r($decoded_response, true));
	5674	+ return [
	5675	+ 'error' => esc_html__('Unexpected response format from DeepSeek.', 'mxchat'),
	5676	+ 'error_code' => 'deepseek_response_format_error',
	5677	+ 'provider' => 'deepseek'
	5678	+ ];
	5679	+ }
	5680	+ } catch (Exception $e) {
	5681	+ //error_log('DeepSeek Exception: ' . $e->getMessage());
	5682	+ return [
	5683	+ 'error' => esc_html__('System error when processing DeepSeek request: ', 'mxchat') . esc_html($e->getMessage()),
	5684	+ 'error_code' => 'deepseek_exception',
	5685	+ 'provider' => 'deepseek'
	5686	+ ];
	5687	+ }
	5688	+}
	5689	+private function mxchat_generate_response_gemini($selected_model, $gemini_api_key, $conversation_history, $relevant_content) {
	5690	+ // Get system prompt instructions from options
	5691	+ $system_prompt_instructions = isset($this->options['system_prompt_instructions']) ? $this->options['system_prompt_instructions'] : '';
	5692	+
	5693	+ // Add system prompt to relevant content
	5694	+ $content_with_instructions = $system_prompt_instructions . " " . $relevant_content;
	5695	+
	5696	+ // Format messages for Gemini API
	5697	+ $formatted_messages = [];
	5698	+
	5699	+ // Add system message as the first user message with role prefix
	5700	+ // Note: Gemini doesn't have a dedicated system role, so we use a prefixed user message
	5701	+ $formatted_messages[] = [
	5702	+ 'role' => 'user',
	5703	+ 'parts' => [
	5704	+ ['text' => "[System Instructions] " . $content_with_instructions]
	5705	+ ]
	5706	+ ];
	5707	+
	5708	+ // Add model response to acknowledge system instructions
	5709	+ $formatted_messages[] = [
	5710	+ 'role' => 'model',
	5711	+ 'parts' => [
	5712	+ ['text' => "I understand and will follow these instructions."]
	5713	+ ]
	5714	+ ];
	5715	+
	5716	+ // Process the rest of the conversation history
	5717	+ $current_role = null;
	5718	+ $current_parts = [];
	5719	+
	5720	+ foreach ($conversation_history as $message) {
	5721	+ // Skip the first system message as we already handled it
	5722	+ if ($message['role'] === 'system') {
	5723	+ continue;
	5724	+ }
	5725	+
	5726	+ // Map roles to Gemini format
	5727	+ $gemini_role = '';
	5728	+ if ($message['role'] === 'user') {
	5729	+ $gemini_role = 'user';
	5730	+ } else if (in_array($message['role'], ['assistant', 'bot', 'agent'])) {
	5731	+ $gemini_role = 'model';
	5732	+ } else {
	5733	+ // Skip unsupported roles
	5734	+ continue;
	5735	+ }
	5736	+
	5737	+ // If we have a new role, add the previous message
	5738	+ if ($current_role !== null && $current_role !== $gemini_role && !empty($current_parts)) {
	5739	+ $formatted_messages[] = [
	5740	+ 'role' => $current_role,
	5741	+ 'parts' => $current_parts
	5742	+ ];
	5743	+ $current_parts = [];
	5744	+ }
	5745	+
	5746	+ // Set current role and add text to parts
	5747	+ $current_role = $gemini_role;
	5748	+ $current_parts[] = ['text' => $message['content']];
	5749	+ }
	5750	+
	5751	+ // Add the last message if there's content
	5752	+ if ($current_role !== null && !empty($current_parts)) {
	5753	+ $formatted_messages[] = [
	5754	+ 'role' => $current_role,
	5755	+ 'parts' => $current_parts
	5756	+ ];
	5757	+ }
	5758	+
	5759	+ // Build the request body
	5760	+ $body = json_encode([
	5761	+ 'contents' => $formatted_messages,
	5762	+ 'generationConfig' => [
	5763	+ 'temperature' => 0.7,
	5764	+ 'topP' => 0.95,
	5765	+ 'topK' => 40,
	5766	+ 'maxOutputTokens' => 8192,
	5767	+ ],
	5768	+ 'safetySettings' => [
	5769	+ [
	5770	+ 'category' => 'HARM_CATEGORY_HARASSMENT',
	5771	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	5772	+ ],
	5773	+ [
	5774	+ 'category' => 'HARM_CATEGORY_HATE_SPEECH',
	5775	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	5776	+ ],
	5777	+ [
	5778	+ 'category' => 'HARM_CATEGORY_SEXUALLY_EXPLICIT',
	5779	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	5780	+ ],
	5781	+ [
	5782	+ 'category' => 'HARM_CATEGORY_DANGEROUS_CONTENT',
	5783	+ 'threshold' => 'BLOCK_MEDIUM_AND_ABOVE'
	5784	+ ]
	5785	+ ]
	5786	+ ]);
	5787	+
	5788	+ // Prepare the API endpoint
	5789	+ $api_endpoint = 'https://generativelanguage.googleapis.com/v1/models/' . $selected_model . ':generateContent?key=' . $gemini_api_key;
	5790	+
	5791	+ // Set up the API request
	5792	+ $args = [
	5793	+ 'body' => $body,
	5794	+ 'headers' => [
	5795	+ 'Content-Type' => 'application/json',
	5796	+ ],
	5797	+ 'timeout' => 60,
	5798	+ 'redirection' => 5,
	5799	+ 'blocking' => true,
	5800	+ 'httpversion' => '1.0',
	5801	+ 'sslverify' => true,
	5802	+ ];
	5803	+
	5804	+ // Make the API request
	5805	+ $response = wp_remote_post($api_endpoint, $args);
	5806	+
	5807	+ // Process the response
	5808	+ if (is_wp_error($response)) {
	5809	+ return "Sorry, there was an error processing your request: " . $response->get_error_message();
	5810	+ }
	5811	+
	5812	+ $response_body = json_decode(wp_remote_retrieve_body($response), true);
	5813	+
	5814	+ // Handle potential errors in the response
	5815	+ if (isset($response_body['error'])) {
	5816	+ //error_log('Gemini API Error: ' . json_encode($response_body['error']));
	5817	+ return "Sorry, there was an error with the Gemini API: " .
	5818	+ (isset($response_body['error']['message']) ? $response_body['error']['message'] : 'Unknown error');
	5819	+ }
	5820	+
	5821	+ // Extract the response text
	5822	+ if (isset($response_body['candidates'][0]['content']['parts'][0]['text'])) {
	5823	+ return trim($response_body['candidates'][0]['content']['parts'][0]['text']);
	5824	+ } else {
	5825	+ //error_log('Unexpected Gemini API response format: ' . json_encode($response_body));
	5826	+ return "Sorry, I couldn't process that request. The response format was unexpected.";
	5827	+ }
	5828	+}
	5829	+
	5830	+public function test_streaming_request() {
	5831	+ $options = get_option('mxchat_options', []);
	5832	+ $model = $options['model'] ?? 'gpt-4o';
	5833	+
	5834	+ // Detect provider from model prefix
	5835	+ $provider = strtolower(explode('-', $model)[0]);
	5836	+
	5837	+ $sample_prompt = 'Hello! Can you stream this response back to me?';
	5838	+ $messages = [['role' => 'user', 'content' => $sample_prompt]];
	5839	+ $headers = [];
	5840	+ $body = [];
	5841	+ $url = '';
	5842	+ $api_key = '';
	5843	+
	5844	+ switch ($provider) {
	5845	+ case 'gpt':
	5846	+ case 'o1':
	5847	+ $api_key = $options['api_key'] ?? '';
	5848	+ if (empty($api_key)) return '❌ Missing API key for OpenAI';
	5849	+ $url = 'https://api.openai.com/v1/chat/completions';
	5850	+ $headers = [
	5851	+ 'Content-Type: application/json',
	5852	+ 'Authorization: Bearer ' . $api_key
	5853	+ ];
	5854	+ $body = [
	5855	+ 'model' => $model,
	5856	+ 'messages' => $messages,
	5857	+ 'stream' => true
	5858	+ ];
	5859	+ break;
	5860	+
	5861	+ case 'claude':
	5862	+ $api_key = $options['claude_api_key'] ?? '';
	5863	+ if (empty($api_key)) return '❌ Missing API key for Claude';
	5864	+ $url = 'https://api.anthropic.com/v1/messages';
	5865	+ $headers = [
	5866	+ 'Content-Type: application/json',
	5867	+ 'x-api-key: ' . $api_key,
	5868	+ 'anthropic-version: 2023-06-01'
	5869	+ ];
	5870	+ $body = [
	5871	+ 'model' => $model,
	5872	+ 'messages' => $messages,
	5873	+ 'max_tokens' => 100,
	5874	+ 'stream' => true
	5875	+ ];
	5876	+ break;
	5877	+
	5878	+ case 'grok':
	5879	+ $api_key = $options['xai_api_key'] ?? '';
	5880	+ if (empty($api_key)) return '❌ Missing API key for X.AI';
	5881	+ $url = 'https://api.x.ai/v1/chat/completions';
	5882	+ $headers = [
	5883	+ 'Content-Type: application/json',
	5884	+ 'Authorization: Bearer ' . $api_key
	5885	+ ];
	5886	+ $body = [
	5887	+ 'model' => $model,
	5888	+ 'messages' => $messages,
	5889	+ 'stream' => true
	5890	+ ];
	5891	+ break;
	5892	+
	5893	+ case 'deepseek':
	5894	+ if (empty($deepseek_api_key)) {
	5895	+ $error_response = [
	5896	+ 'error' => esc_html__('DeepSeek API key is not configured', 'mxchat'),
	5897	+ 'error_code' => 'missing_deepseek_api_key'
	5898	+ ];
	5899	+ if ($testing_data !== null) {
	5900	+ $error_response['testing_data'] = $testing_data;
	5901	+ }
	5902	+ return $error_response;
	5903	+ }
	5904	+ if ($streaming) {
	5905	+ return $this->mxchat_generate_response_deepseek_stream(
	5906	+ $selected_model,
	5907	+ $deepseek_api_key,
	5908	+ $conversation_history,
	5909	+ $relevant_content,
	5910	+ $session_id,
	5911	+ $testing_data // Pass testing data
	5912	+ );
	5913	+ } else {
	5914	+ $response = $this->mxchat_generate_response_deepseek(
	5915	+ $selected_model,
	5916	+ $deepseek_api_key,
	5917	+ $conversation_history,
	5918	+ $relevant_content
	5919	+ );
	5920	+ }
	5921	+ break;
	5922	+
	5923	+ case 'gemini':
	5924	+ $api_key = $options['gemini_api_key'] ?? '';
	5925	+ if (empty($api_key)) return '❌ Missing API key for Gemini';
	5926	+ $url = 'https://generativelanguage.googleapis.com/v1beta/models/' . $model . ':streamGenerateContent?key=' . $api_key;
	5927	+ $headers = ['Content-Type: application/json'];
	5928	+ $body = [
	5929	+ 'contents' => [['role' => 'user', 'parts' => [['text' => $sample_prompt]]]],
	5930	+ 'generationConfig' => ['temperature' => 0.7]
	5931	+ ];
	5932	+ break;
	5933	+
	5934	+ default:
	5935	+ return '❌ Unsupported provider: ' . $provider;
	5936	+ }
	5937	+
	5938	+ // Do the actual streaming test
	5939	+ $ch = curl_init($url);
	5940	+ curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($body));
	5941	+ curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
	5942	+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	5943	+ curl_setopt($ch, CURLOPT_TIMEOUT, 15);
	5944	+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
	5945	+
	5946	+ $response = curl_exec($ch);
	5947	+ $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
	5948	+ $error = curl_error($ch);
	5949	+ curl_close($ch);
	5950	+
	5951	+ if ($error) return "❌ cURL error: $error";
	5952	+ if ($http_code !== 200) {
	5953	+ $error_message = json_decode($response, true)['error']['message'] ?? 'Unknown';
	5954	+ return "❌ HTTP $http_code: $error_message";
	5955	+ }
	5956	+
	5957	+ return true;
	5958	+}
	5959	+
	5960	+
3275	5961	public function mxchat_dismiss_pre_chat_message() {
3276	5962	// Get and sanitize the user identifier
3277	5963	$user_id = $this->mxchat_get_user_identifier();
3278	5964	$user_id = sanitize_key($user_id);
		@@ -3328,11 +6014,10 @@
3328	6014	}
3329	6015
3330	6016	public function mxchat_enqueue_scripts_styles() {
3331	6017	// Define version numbers for the styles and scripts
3332		- $chat_style_version = '2.0.5'; // Replace with your actual version
3333		- $chat_script_version = '2.0.5'; // Replace with your actual version
3334		-
	6018	+ $chat_style_version = '2.3.9';
	6019	+ $chat_script_version = '2.3.9';
3335	6020	// Enqueue the script
3336	6021	wp_enqueue_script(
3337	6022	'mxchat-chat-js',
3338	6023	plugin_dir_url(__FILE__) . '../js/chat-script.js',
		@@ -3339,9 +6024,8 @@
3339	6024	array('jquery'),
3340	6025	$chat_script_version,
3341	6026	true
3342	6027	);
3343		-
3344	6028	// Enqueue the CSS
3345	6029	wp_enqueue_style(
3346	6030	'mxchat-chat-css',
3347	6031	plugin_dir_url(__FILE__) . '../css/chat-style.css',
		@@ -3347,17 +6031,19 @@
3347	6031	plugin_dir_url(__FILE__) . '../css/chat-style.css',
3348	6032	array(),
3349	6033	$chat_style_version
3350	6034	);
3351		-
3352	6035	// Fetch options from the database
3353	6036	$this->options = get_option('mxchat_options');
3354	6037	$prompts_options = get_option('mxchat_prompts_options', array());
3355		-
	6038	+
3356	6039	// Prepare settings for JavaScript
3357	6040	$style_settings = array(
3358	6041	'ajax_url' => admin_url('admin-ajax.php'),
3359	6042	'nonce' => wp_create_nonce('mxchat_chat_nonce'),
	6043	+ 'model' => isset($this->options['model']) ? $this->options['model'] : 'gpt-4o',
	6044	+ 'enable_streaming_toggle' => isset($this->options['enable_streaming_toggle']) ? $this->options['enable_streaming_toggle'] : 'on',
	6045	+ 'contextual_awareness_toggle' => isset($this->options['contextual_awareness_toggle']) ? $this->options['contextual_awareness_toggle'] : 'off',
3360	6046	'link_target_toggle' => $this->options['link_target_toggle'] ?? 'off',
3361	6047	'rate_limit_message' => $this->options['rate_limit_message'] ?? 'Rate limit exceeded. Please try again later.',
3362	6048	'complianz_toggle' => isset($this->options['complianz_toggle']) && $this->options['complianz_toggle'] === 'on',
3363	6049	'user_message_bg_color' => $this->options['user_message_bg_color'] ?? '#fff',
		@@ -3371,10 +6057,9 @@
3371	6057	'chatbot_bg_color' => $this->options['chatbot_bg_color'] ?? '#fff',
3372	6058	'icon_color' => $this->options['icon_color'] ?? '#fff',
3373	6059	'chat_input_font_color' => $this->options['chat_input_font_color'] ?? '#212121',
3374	6060	'chat_persistence_toggle' => $this->options['chat_persistence_toggle'] ?? 'off',
3375		- 'appendWidgetToBody' => $this->options['append_to_body'] ?? 'off', // Example for consistency
3376		-
	6061	+ 'appendWidgetToBody' => $this->options['append_to_body'] ?? 'off',
3377	6062	'live_agent_message_bg_color' => $this->options['live_agent_message_bg_color'] ?? '#ffffff',
3378	6063	'live_agent_message_font_color' => $this->options['live_agent_message_font_color'] ?? '#333333',
3379	6064	'chat_toolbar_toggle' => $this->options['chat_toolbar_toggle'] ?? 'off',
3380	6065	'mode_indicator_bg_color' => $this->options['mode_indicator_bg_color'] ?? '#767676',
		@@ -3379,76 +6064,906 @@
3379	6064	'chat_toolbar_toggle' => $this->options['chat_toolbar_toggle'] ?? 'off',
3380	6065	'mode_indicator_bg_color' => $this->options['mode_indicator_bg_color'] ?? '#767676',
3381	6066	'mode_indicator_font_color' => $this->options['mode_indicator_font_color'] ?? '#ffffff',
3382	6067	'toolbar_icon_color' => $this->options['toolbar_icon_color'] ?? '#212121',
3383		-
3384	6068	'use_pinecone' => $prompts_options['mxchat_use_pinecone'] ?? '0',
	6069	+ 'email_collection_enabled' => $this->options['enable_email_block'] ?? 'off', // FIXED
	6070	+ 'initial_email_state' => null, // Also fixed this undefined variable
	6071	+ 'skip_email_check' => true,
3385	6072	'pinecone_enabled' => isset($prompts_options['mxchat_use_pinecone']) && $prompts_options['mxchat_use_pinecone'] === '1'
3386	6073	);
3387		-
3388	6074	// Pass the settings to the script
3389	6075	wp_localize_script('mxchat-chat-js', 'mxchatChat', $style_settings);
3390	6076	}
3391	6077
3392	6078
	6079	+/**
	6080	+ * Setup the cron jobs for rate limits with guard against multiple calls
	6081	+ */
	6082	+public function setup_rate_limit_cron_jobs() {
	6083	+ // Add a guard to prevent multiple rapid calls
	6084	+ $last_setup = get_transient('mxchat_cron_setup_guard');
	6085	+ if ($last_setup && (time() - $last_setup) < 60) {
	6086	+ // Don't run again if we ran less than 60 seconds ago
	6087	+ return;
	6088	+ }
	6089	+
	6090	+ // Set the guard
	6091	+ set_transient('mxchat_cron_setup_guard', time(), 300); // 5 minutes
	6092	+
	6093	+ try {
	6094	+ // First, check if WordPress cron is disabled
	6095	+ if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) {
	6096	+ //error_log('MxChat: WordPress cron is disabled (DISABLE_WP_CRON = true), using fallback system');
	6097	+ $this->setup_fallback_rate_limit_system();
	6098	+ return;
	6099	+ }
	6100	+
	6101	+ // Check if cron is already scheduled - if so, don't mess with it
	6102	+ if (wp_next_scheduled('mxchat_reset_rate_limits')) {
	6103	+ //error_log('MxChat: Rate limit cron already scheduled, skipping setup');
	6104	+ return;
	6105	+ }
	6106	+
	6107	+ // Clear any orphaned hooks (but don't loop indefinitely)
	6108	+ $hooks_to_clear = [
	6109	+ 'mxchat_reset_rate_limits',
	6110	+ 'mxchat_reset_hourly_rate_limits',
	6111	+ 'mxchat_reset_daily_rate_limits',
	6112	+ 'mxchat_reset_weekly_rate_limits',
	6113	+ 'mxchat_reset_monthly_rate_limits'
	6114	+ ];
	6115	+
	6116	+ foreach ($hooks_to_clear as $hook) {
	6117	+ // Only clear a maximum of 3 instances to prevent infinite loops
	6118	+ $cleared = 0;
	6119	+ while (wp_next_scheduled($hook) && $cleared < 3) {
	6120	+ wp_clear_scheduled_hook($hook);
	6121	+ $cleared++;
	6122	+ }
	6123	+ }
	6124	+
	6125	+ // Small delay after clearing
	6126	+ usleep(100000); // 0.1 seconds
	6127	+
	6128	+ // Try to schedule the event
	6129	+ $initial_time = time() + 300; // Start in 5 minutes
	6130	+ $result = wp_schedule_event($initial_time, 'hourly', 'mxchat_reset_rate_limits');
	6131	+
	6132	+ if ($result === false) {
	6133	+ //error_log('MxChat: Failed to schedule cron, using fallback system');
	6134	+ $this->setup_fallback_rate_limit_system();
	6135	+ } else {
	6136	+ //error_log('MxChat: Successfully scheduled rate limit reset cron');
	6137	+ }
	6138	+
	6139	+ } catch (Exception $e) {
	6140	+ //error_log('MxChat: Cron setup exception: ' . $e->getMessage());
	6141	+ $this->setup_fallback_rate_limit_system();
	6142	+ }
	6143	+}
	6144	+
	6145	+/**
	6146	+ * Try alternative cron scheduling methods
	6147	+ */
	6148	+private function try_alternative_cron_scheduling($initial_time) {
	6149	+ try {
	6150	+ // Method 1: Try with current time instead of future time
	6151	+ $result1 = wp_schedule_event(time(), 'hourly', 'mxchat_reset_rate_limits');
	6152	+ if ($result1 !== false) {
	6153	+ //error_log('MxChat: Alternative method 1 (current time) succeeded');
	6154	+ return true;
	6155	+ }
	6156	+
	6157	+ // Method 2: Try with a different interval
	6158	+ $result2 = wp_schedule_event($initial_time, 'daily', 'mxchat_reset_rate_limits');
	6159	+ if ($result2 !== false) {
	6160	+ //error_log('MxChat: Alternative method 2 (daily interval) succeeded');
	6161	+ return true;
	6162	+ }
	6163	+
	6164	+ // Method 3: Try wp_schedule_single_event first, then recurring
	6165	+ $result3 = wp_schedule_single_event($initial_time, 'mxchat_reset_rate_limits');
	6166	+ if ($result3 !== false) {
	6167	+ //error_log('MxChat: Alternative method 3 (single event) succeeded');
	6168	+ // Schedule the next one manually in the handler
	6169	+ return true;
	6170	+ }
	6171	+
	6172	+ return false;
	6173	+
	6174	+ } catch (Exception $e) {
	6175	+ //error_log('MxChat: Alternative cron scheduling exception: ' . $e->getMessage());
	6176	+ return false;
	6177	+ }
	6178	+}
	6179	+
	6180	+/**
	6181	+ * Enhanced fallback rate limit system
	6182	+ */
	6183	+private function setup_fallback_rate_limit_system() {
	6184	+ // Set a flag to use database-based rate limit cleanup
	6185	+ update_option('mxchat_use_fallback_rate_limits', true);
	6186	+
	6187	+ // Schedule a one-time check to happen on the next plugin load
	6188	+ update_option('mxchat_next_rate_limit_check', time() + 3600);
	6189	+
	6190	+ // Also set up a more frequent fallback check (every 4 hours)
	6191	+ update_option('mxchat_fallback_check_interval', 4 * 3600);
	6192	+
	6193	+ //error_log('MxChat: Fallback rate limit system activated');
	6194	+}
	6195	+
	6196	+/**
	6197	+ * Enhanced fallback check method
	6198	+ */
	6199	+public function check_fallback_rate_limits() {
	6200	+ $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
	6201	+
	6202	+ if (!$use_fallback) {
	6203	+ return; // Regular cron is working
	6204	+ }
	6205	+
	6206	+ $next_check = get_option('mxchat_next_rate_limit_check', 0);
	6207	+ $check_interval = get_option('mxchat_fallback_check_interval', 3600);
	6208	+
	6209	+ if (time() >= $next_check) {
	6210	+ //error_log('MxChat: Running fallback rate limit cleanup');
	6211	+ $this->mxchat_reset_rate_limits();
	6212	+
	6213	+ // Schedule next check
	6214	+ update_option('mxchat_next_rate_limit_check', time() + $check_interval);
	6215	+ }
	6216	+}
	6217	+/**
	6218	+ * Enhanced rate limit check that includes fallback cleanup
	6219	+ */
	6220	+public function check_rate_limit() {
	6221	+ // Check if we need to run fallback cleanup
	6222	+ $use_fallback = get_option('mxchat_use_fallback_rate_limits', false);
	6223	+ $next_check = get_option('mxchat_next_rate_limit_check', 0);
	6224	+
	6225	+ if ($use_fallback && time() >= $next_check) {
	6226	+ $this->mxchat_reset_rate_limits();
	6227	+ update_option('mxchat_next_rate_limit_check', time() + 3600); // Next hour
	6228	+ }
	6229	+
	6230	+ // Continue with your existing rate limit logic...
	6231	+ $all_options = get_option('mxchat_options', []);
	6232	+
	6233	+ // Determine user role or if logged out
	6234	+ if (is_user_logged_in()) {
	6235	+ $user = wp_get_current_user();
	6236	+ $user_id = $user->ID;
	6237	+
	6238	+ // Get the user's primary role using reset() to safely get the first element
	6239	+ $user_roles = $user->roles;
	6240	+
	6241	+ // Safely get the first role regardless of array key structure
	6242	+ if (!empty($user_roles) && is_array($user_roles)) {
	6243	+ $role = reset($user_roles); // This safely gets the first element regardless of key
	6244	+ } else {
	6245	+ $role = 'subscriber'; // Default to subscriber if no role found
	6246	+ }
	6247	+ } else {
	6248	+ $role = 'logged_out';
	6249	+ // Use IP address for non-logged-in users
	6250	+ $user_id = $this->get_client_ip();
	6251	+ }
	6252	+
	6253	+ // Check if rate limits are configured for this role
	6254	+ if (!isset($all_options['rate_limits'][$role])) {
	6255	+ return true; // No limit set for this role
	6256	+ }
	6257	+
	6258	+ $limit = $all_options['rate_limits'][$role]['limit'];
	6259	+
	6260	+ // If unlimited, return true immediately
	6261	+ if ($limit === 'unlimited') {
	6262	+ return true;
	6263	+ }
	6264	+
	6265	+ // Get the option name for this user/role with safer naming
	6266	+ $safe_role = preg_replace('/[^a-zA-Z0-9_]/', '_', $role);
	6267	+ $safe_user_id = preg_replace('/[^a-zA-Z0-9_]/', '_', $user_id);
	6268	+ $option_name = 'mxchat_chat_limit_' . $safe_role . '_' . $safe_user_id;
	6269	+
	6270	+ // Get the counter data
	6271	+ $limit_data = get_option($option_name, ['count' => 0, 'timestamp' => time()]);
	6272	+
	6273	+ // If first request or counter reset needed, set the initial timestamp
	6274	+ if ($limit_data['count'] === 0) {
	6275	+ $limit_data['timestamp'] = time();
	6276	+ update_option($option_name, $limit_data);
	6277	+ }
	6278	+
	6279	+ // Get the timeframe
	6280	+ $timeframe = isset($all_options['rate_limits'][$role]['timeframe']) ?
	6281	+ $all_options['rate_limits'][$role]['timeframe'] : 'daily';
	6282	+
	6283	+ // Check if the counter needs to be reset based on timeframe
	6284	+ $current_time = time();
	6285	+ $timestamp = $limit_data['timestamp'];
	6286	+ $should_reset = false;
	6287	+
	6288	+ switch ($timeframe) {
	6289	+ case 'hourly':
	6290	+ $should_reset = ($current_time - $timestamp) >= 3600; // 1 hour
	6291	+ break;
	6292	+ case 'daily':
	6293	+ $should_reset = ($current_time - $timestamp) >= 86400; // 24 hours
	6294	+ break;
	6295	+ case 'weekly':
	6296	+ $should_reset = ($current_time - $timestamp) >= 604800; // 7 days
	6297	+ break;
	6298	+ case 'monthly':
	6299	+ $should_reset = ($current_time - $timestamp) >= 2592000; // 30 days
	6300	+ break;
	6301	+ }
	6302	+
	6303	+ // Reset the counter if the timeframe has passed
	6304	+ if ($should_reset) {
	6305	+ $limit_data = ['count' => 0, 'timestamp' => $current_time];
	6306	+ update_option($option_name, $limit_data);
	6307	+ }
	6308	+
	6309	+ // Check if user has exceeded their limit
	6310	+ if ($limit_data['count'] >= intval($limit)) {
	6311	+ // Get the custom message for this role
	6312	+ $message = !empty($all_options['rate_limits'][$role]['message'])
	6313	+ ? $all_options['rate_limits'][$role]['message']
	6314	+ : __('Rate limit exceeded. Please try again later.', 'mxchat');
	6315	+
	6316	+ // Add timeframe information to the message if placeholders exist
	6317	+ $timeframe_label = '';
	6318	+ switch ($timeframe) {
	6319	+ case 'hourly':
	6320	+ $timeframe_label = __('hour', 'mxchat');
	6321	+ break;
	6322	+ case 'daily':
	6323	+ $timeframe_label = __('day', 'mxchat');
	6324	+ break;
	6325	+ case 'weekly':
	6326	+ $timeframe_label = __('week', 'mxchat');
	6327	+ break;
	6328	+ case 'monthly':
	6329	+ $timeframe_label = __('month', 'mxchat');
	6330	+ break;
	6331	+ }
	6332	+
	6333	+ // Replace placeholders in the message
	6334	+ $message = str_replace(
	6335	+ ['{limit}', '{count}', '{remaining}', '{timeframe}'],
	6336	+ [intval($limit), $limit_data['count'], max(0, intval($limit) - $limit_data['count']), $timeframe_label],
	6337	+ $message
	6338	+ );
	6339	+
	6340	+ // Process HTML links in the message
	6341	+ $message = $this->process_rate_limit_message_html($message);
	6342	+
	6343	+ // Return error with the processed message
	6344	+ return [
	6345	+ 'error' => true,
	6346	+ 'message' => $message
	6347	+ ];
	6348	+ }
	6349	+
	6350	+ // Increment the counter
	6351	+ $limit_data['count']++;
	6352	+ update_option($option_name, $limit_data);
	6353	+
	6354	+ return true;
	6355	+}
	6356	+
	6357	+/**
	6358	+ * Enhanced rate limit reset with better error handling
	6359	+ */
3393	6360	public function mxchat_reset_rate_limits() {
	6361	+ try {
3394	6362	global $wpdb;
	6363	+ $all_options = get_option('mxchat_options', []);
	6364	+ $current_time = time();
	6365	+
	6366	+ // Get rate limit options with a safer query and limit
	6367	+ $option_names = $wpdb->get_col(
	6368	+ $wpdb->prepare(
	6369	+ "SELECT option_name FROM {$wpdb->options}
	6370	+ WHERE option_name LIKE %s
	6371	+ LIMIT 1000",
	6372	+ 'mxchat_chat_limit_%'
	6373	+ )
	6374	+ );
	6375	+
	6376	+ if (empty($option_names)) {
	6377	+ return;
	6378	+ }
	6379	+
	6380	+ $processed_count = 0;
	6381	+ $max_processing_time = 30; // Maximum 30 seconds
	6382	+ $start_time = time();
	6383	+
	6384	+ foreach ($option_names as $option_name) {
	6385	+ // Check processing time limit
	6386	+ if ((time() - $start_time) > $max_processing_time) {
	6387	+ //error_log('MxChat: Rate limit reset timeout after processing ' . $processed_count . ' entries');
	6388	+ break;
	6389	+ }
	6390	+
	6391	+ // Parse the option name more safely
	6392	+ if (!preg_match('/^mxchat_chat_limit_(.+)_(.+)$/', $option_name, $matches)) {
	6393	+ continue;
	6394	+ }
	6395	+
	6396	+ $role_and_user = $matches[1] . '_' . $matches[2];
	6397	+ $parts = explode('_', $role_and_user);
	6398	+
	6399	+ if (count($parts) < 2) {
	6400	+ continue;
	6401	+ }
	6402	+
	6403	+ // Extract role (everything except the last part which is user ID)
	6404	+ $user_id_part = array_pop($parts);
	6405	+ $role = implode('_', $parts);
	6406	+
	6407	+ // Skip if role doesn't exist in our settings
	6408	+ if (!isset($all_options['rate_limits'][$role])) {
	6409	+ // Clean up orphaned entries
	6410	+ delete_option($option_name);
	6411	+ continue;
	6412	+ }
	6413	+
	6414	+ $timeframe = $all_options['rate_limits'][$role]['timeframe'] ?? 'daily';
	6415	+ $limit_data = get_option($option_name);
	6416	+
	6417	+ if (!$limit_data || !is_array($limit_data) || !isset($limit_data['timestamp'])) {
	6418	+ // Clean up invalid entries
	6419	+ delete_option($option_name);
	6420	+ continue;
	6421	+ }
	6422	+
	6423	+ $timestamp = $limit_data['timestamp'];
	6424	+ $should_reset = false;
	6425	+
	6426	+ // Determine if we should reset based on the timeframe
	6427	+ switch ($timeframe) {
	6428	+ case 'hourly':
	6429	+ $should_reset = ($current_time - $timestamp) >= 3600;
	6430	+ break;
	6431	+ case 'daily':
	6432	+ $should_reset = ($current_time - $timestamp) >= 86400;
	6433	+ break;
	6434	+ case 'weekly':
	6435	+ $should_reset = ($current_time - $timestamp) >= 604800;
	6436	+ break;
	6437	+ case 'monthly':
	6438	+ $should_reset = ($current_time - $timestamp) >= 2592000;
	6439	+ break;
	6440	+ }
	6441	+
	6442	+ // Reset the counter if the timeframe has passed
	6443	+ if ($should_reset) {
	6444	+ delete_option($option_name);
	6445	+ wp_cache_delete($option_name, 'options');
	6446	+ $processed_count++;
	6447	+ }
	6448	+ }
	6449	+
	6450	+ // Clean up any orphaned cache entries
	6451	+ wp_cache_delete('mxchat_all_chat_limits', 'options');
	6452	+
	6453	+ //error_log("MxChat: Rate limit reset completed. Processed {$processed_count} entries.");
	6454	+
	6455	+ } catch (Exception $e) {
	6456	+ //error_log('MxChat: Rate limit reset error: ' . $e->getMessage());
	6457	+ }
	6458	+}
3395	6459
3396		- // Define a cache key pattern for rate limits
3397		- $cache_key_pattern = 'mxchat_chat_limit_%';
3398	6460
3399		- // Retrieve all option names matching the pattern
3400		- // phpcs:ignore WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.DirectQuery
3401		- $option_names = $wpdb->get_col("SELECT option_name FROM {$wpdb->options} WHERE option_name LIKE 'mxchat_chat_limit_%'");
	6461	+/**
	6462	+ * Process HTML links in rate limit messages
	6463	+ *
	6464	+ * @param string $message The rate limit message
	6465	+ * @return string The processed message with safe HTML links
	6466	+ */
	6467	+private function process_rate_limit_message_html($message) {
	6468	+ // Return original message if empty
	6469	+ if (empty($message)) {
	6470	+ return $message;
	6471	+ }
	6472	+
	6473	+ // First, convert markdown links to HTML
	6474	+ $message = $this->convert_markdown_links($message);
	6475	+
	6476	+ // Then, auto-convert any remaining plain URLs to links
	6477	+ $message = $this->auto_link_urls($message);
	6478	+
	6479	+ // Allow basic HTML tags for links and formatting
	6480	+ $allowed_tags = [
	6481	+ 'a' => [
	6482	+ 'href' => true,
	6483	+ 'target' => true,
	6484	+ 'rel' => true,
	6485	+ 'title' => true,
	6486	+ 'class' => true
	6487	+ ],
	6488	+ 'strong' => [],
	6489	+ 'em' => [],
	6490	+ 'br' => [],
	6491	+ 'b' => [],
	6492	+ 'i' => [],
	6493	+ 'span' => ['class' => true]
	6494	+ ];
	6495	+
	6496	+ // Sanitize but allow the specified HTML tags
	6497	+ $processed_message = wp_kses($message, $allowed_tags);
	6498	+
	6499	+ // If wp_kses stripped everything, return the original message as plain text
	6500	+ if (empty($processed_message) && !empty($message)) {
	6501	+ // Strip all HTML and return plain text as fallback
	6502	+ return wp_strip_all_tags($message);
	6503	+ }
	6504	+
	6505	+ return $processed_message;
	6506	+}
3402	6507
3403		- // db call ok; no-cache ok
3404		- // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery -- db call ok
3405		- $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE 'mxchat_chat_limit_%'");
	6508	+/**
	6509	+ * Convert markdown links to HTML
	6510	+ *
	6511	+ * @param string $text The text to process
	6512	+ * @return string The text with markdown links converted to HTML
	6513	+ */
	6514	+private function convert_markdown_links($text) {
	6515	+ // Return original text if empty
	6516	+ if (empty($text)) {
	6517	+ return $text;
	6518	+ }
	6519	+
	6520	+ // Pattern to match markdown links: [text](url)
	6521	+ $pattern = '/\[([^\]]+)\]\(([^)]+)\)/';
	6522	+
	6523	+ $processed_text = preg_replace_callback($pattern, function($matches) {
	6524	+ $link_text = $matches[1];
	6525	+ $url = $matches[2];
	6526	+
	6527	+ // Clean up any trailing punctuation from the URL
	6528	+ $url = rtrim($url, '.,;:!?');
	6529	+
	6530	+ // Sanitize the link text and URL
	6531	+ $safe_text = esc_html($link_text);
	6532	+ $safe_url = esc_url($url);
	6533	+
	6534	+ // Create the HTML link
	6535	+ return '<a href="' . $safe_url . '" target="_blank" rel="noopener noreferrer">' . $safe_text . '</a>';
	6536	+ }, $text);
	6537	+
	6538	+ // If preg_replace_callback failed, return original text
	6539	+ if ($processed_text === null) {
	6540	+ return $text;
	6541	+ }
	6542	+
	6543	+ return $processed_text;
	6544	+}
3406	6545
3407		- // Clear the relevant cache entries
3408		- foreach ($option_names as $option_name) {
3409		- wp_cache_delete($option_name, 'options');
3410		- }
	6546	+/**
	6547	+ * Auto-convert plain URLs to clickable links
	6548	+ *
	6549	+ * @param string $text The text to process
	6550	+ * @return string The text with URLs converted to links
	6551	+ */
	6552	+private function auto_link_urls($text) {
	6553	+ // Return original text if empty
	6554	+ if (empty($text)) {
	6555	+ return $text;
	6556	+ }
	6557	+
	6558	+ // Simple pattern that avoids complex lookbehinds
	6559	+ // This will match URLs that are not already inside href attributes or markdown links
	6560	+ $pattern = '/(?<!href=["\'])(?<!\]\()https?:\/\/[^\s<>"\')\]]+/i';
	6561	+
	6562	+ $processed_text = preg_replace_callback($pattern, function($matches) {
	6563	+ $url = $matches[0];
	6564	+ // Clean up any trailing punctuation that might have been captured
	6565	+ $url = rtrim($url, '.,;:!?');
	6566	+
	6567	+ // Add target="_blank" and rel="noopener noreferrer" for security
	6568	+ return '<a href="' . esc_url($url) . '" target="_blank" rel="noopener noreferrer">' . esc_html($url) . '</a>';
	6569	+ }, $text);
	6570	+
	6571	+ // If preg_replace_callback failed, return original text
	6572	+ if ($processed_text === null) {
	6573	+ return $text;
	6574	+ }
	6575	+
	6576	+ return $processed_text;
	6577	+}
3411	6578
3412		- // Optionally, clear a general cache if you have one
3413		- wp_cache_delete('mxchat_all_chat_limits', 'options');
	6579	+
	6580	+// Helper function to get client IP address
	6581	+private function get_client_ip() {
	6582	+ // Check for shared internet/ISP IP
	6583	+ if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
	6584	+ return sanitize_text_field($_SERVER['HTTP_CLIENT_IP']);
3414	6585	}
	6586	+
	6587	+ // Check for IPs passing through proxies
	6588	+ if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
	6589	+ // Use the first value in the comma-separated list
	6590	+ $forwarded_for = explode(',', sanitize_text_field($_SERVER['HTTP_X_FORWARDED_FOR']));
	6591	+ return trim($forwarded_for[0]);
	6592	+ }
	6593	+
	6594	+ if (!empty($_SERVER['REMOTE_ADDR'])) {
	6595	+ return sanitize_text_field($_SERVER['REMOTE_ADDR']);
	6596	+ }
	6597	+
	6598	+ // Fallback
	6599	+ return 'unknown';
	6600	+}
3415	6601
3416		-private function mxchat_fetch_woocommerce_products() {
3417		- // Ensure WooCommerce is active
3418		- if (!class_exists('WooCommerce')) {
3419		- return [];
	6602	+/**
	6603	+ * AJAX handler to get system information for testing panel
	6604	+ */
	6605	+public function mxchat_get_system_info() {
	6606	+ // Verify nonce for security
	6607	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6608	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6609	+ return;
3420	6610	}
	6611	+
	6612	+ // Only allow admin users
	6613	+ if (!current_user_can('administrator')) {
	6614	+ wp_send_json_error(['message' => 'Unauthorized']);
	6615	+ return;
	6616	+ }
	6617	+
	6618	+ // Get system prompt from options
	6619	+ $system_prompt = isset($this->options['system_prompt_instructions'])
	6620	+ ? $this->options['system_prompt_instructions']
	6621	+ : 'No system prompt configured';
	6622	+
	6623	+ // Get selected model
	6624	+ $selected_model = isset($this->options['model']) ? $this->options['model'] : 'gpt-4o';
	6625	+
	6626	+ // Get API key status (just check if they exist, don't expose the keys)
	6627	+ $api_status = [];
	6628	+ $api_status['openai'] = !empty($this->options['api_key']);
	6629	+ $api_status['claude'] = !empty($this->options['claude_api_key']);
	6630	+ $api_status['gemini'] = !empty($this->options['gemini_api_key']);
	6631	+ $api_status['xai'] = !empty($this->options['xai_api_key']);
	6632	+ $api_status['deepseek'] = !empty($this->options['deepseek_api_key']);
	6633	+
	6634	+ wp_send_json_success([
	6635	+ 'system_prompt' => $system_prompt,
	6636	+ 'selected_model' => $selected_model,
	6637	+ 'api_status' => $api_status
	6638	+ ]);
	6639	+}
3421	6640
3422		- $args = array(
3423		- 'post_type' => 'product',
3424		- 'post_status' => 'publish',
3425		- 'posts_per_page' => -1,
3426		- );
	6641	+/**
	6642	+ * AJAX handler to get similarity threshold
	6643	+ */
	6644	+public function mxchat_get_similarity_threshold() {
	6645	+ // Verify nonce for security
	6646	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6647	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6648	+ return;
	6649	+ }
	6650	+
	6651	+ // Only allow admin users
	6652	+ if (!current_user_can('administrator')) {
	6653	+ wp_send_json_error(['message' => 'Unauthorized']);
	6654	+ return;
	6655	+ }
	6656	+
	6657	+ // Get similarity threshold from main options (default 75%)
	6658	+ $similarity_threshold = isset($this->options['similarity_threshold'])
	6659	+ ? ((int) $this->options['similarity_threshold']) / 100
	6660	+ : 0.75;
	6661	+
	6662	+ wp_send_json_success([
	6663	+ 'threshold' => $similarity_threshold,
	6664	+ 'threshold_percentage' => ($similarity_threshold * 100) . '%'
	6665	+ ]);
	6666	+}
3427	6667
3428		- $products = get_posts($args);
3429		- $product_data = [];
	6668	+/**
	6669	+ * AJAX handler to get knowledge base status
	6670	+ */
	6671	+public function mxchat_get_kb_status() {
	6672	+ // Verify nonce for security
	6673	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6674	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6675	+ return;
	6676	+ }
	6677	+
	6678	+ // Only allow admin users
	6679	+ if (!current_user_can('administrator')) {
	6680	+ wp_send_json_error(['message' => 'Unauthorized']);
	6681	+ return;
	6682	+ }
	6683	+
	6684	+ // Check Pinecone vs WordPress
	6685	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	6686	+ $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1');
	6687	+
	6688	+ $kb_info = [
	6689	+ 'type' => $use_pinecone ? 'Pinecone' : 'WordPress Database',
	6690	+ 'status' => 'Active'
	6691	+ ];
	6692	+
	6693	+ // Get document count
	6694	+ if ($use_pinecone) {
	6695	+ $kb_info['documents'] = 'Connected to Pinecone';
	6696	+ $kb_info['api_configured'] = !empty($addon_options['mxchat_pinecone_api_key']);
	6697	+ } else {
	6698	+ // Count documents in WordPress database
	6699	+ global $wpdb;
	6700	+ $table_name = $wpdb->prefix . 'mxchat_system_prompt_content';
	6701	+ $count = $wpdb->get_var("SELECT COUNT(*) FROM {$table_name}");
	6702	+ $kb_info['documents'] = $count ? $count . ' documents' : 'No documents';
	6703	+ }
	6704	+
	6705	+ wp_send_json_success($kb_info);
	6706	+}
3430	6707
3431		- foreach ($products as $product) {
3432		- $product_id = $product->ID;
3433		- $product_obj = wc_get_product($product_id);
	6708	+/**
	6709	+ * AJAX handler to start a completely fresh session (NEW - replaces old clear session)
	6710	+ */
	6711	+public function mxchat_start_fresh_session() {
	6712	+ // Verify nonce for security
	6713	+ if (!wp_verify_nonce($_POST['nonce'], 'mxchat_test_nonce')) {
	6714	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6715	+ return;
	6716	+ }
	6717	+
	6718	+ // Only allow admin users
	6719	+ if (!current_user_can('administrator')) {
	6720	+ wp_send_json_error(['message' => 'Unauthorized']);
	6721	+ return;
	6722	+ }
	6723	+
	6724	+ $old_session_id = isset($_POST['old_session_id']) ? sanitize_text_field($_POST['old_session_id']) : '';
	6725	+ $new_session_id = isset($_POST['new_session_id']) ? sanitize_text_field($_POST['new_session_id']) : '';
	6726	+
	6727	+ if (empty($old_session_id)) {
	6728	+ wp_send_json_error(['message' => 'Old session ID required']);
	6729	+ return;
	6730	+ }
	6731	+
	6732	+ // If no new session ID provided, generate one
	6733	+ if (empty($new_session_id)) {
	6734	+ $new_session_id = 'mxchat_chat_' . substr(md5(uniqid()), 0, 9);
	6735	+ }
	6736	+
	6737	+ // Clear ALL data associated with the old session
	6738	+ $this->clear_complete_session_data($old_session_id);
	6739	+
	6740	+ // Initialize the new session
	6741	+ $this->initialize_fresh_session($new_session_id);
	6742	+
	6743	+ wp_send_json_success([
	6744	+ 'message' => 'Fresh session started successfully',
	6745	+ 'new_session_id' => $new_session_id,
	6746	+ 'old_session_id' => $old_session_id
	6747	+ ]);
	6748	+}
3434	6749
3435		- $product_data[] = array(
3436		- 'id' => $product_id,
3437		- 'name' => $product_obj->get_name(),
3438		- 'description' => $product_obj->get_description(),
3439		- 'short_description' => $product_obj->get_short_description(),
3440		- 'url' => get_permalink($product_id),
3441		- 'price' => $product_obj->get_regular_price(),
3442		- 'sale_price' => $product_obj->get_sale_price(),
3443		- 'stock_status' => $product_obj->get_stock_status(),
3444		- 'sku' => $product_obj->get_sku(),
3445		- 'in_stock' => $product_obj->is_in_stock(),
3446		- 'total_sales' => $product_obj->get_total_sales(),
3447		- );
	6750	+/**
	6751	+ * Clear ALL data associated with a session (ENHANCED)
	6752	+ */
	6753	+private function clear_complete_session_data($session_id) {
	6754	+ // Clear chat history
	6755	+ delete_option("mxchat_history_{$session_id}");
	6756	+
	6757	+ // Clear chat mode
	6758	+ delete_option("mxchat_mode_{$session_id}");
	6759	+
	6760	+ // Clear any PDF/Word transients
	6761	+ $this->clear_pdf_transients($session_id);
	6762	+ if (method_exists($this, 'clear_word_transients')) {
	6763	+ $this->clear_word_transients($session_id);
3448	6764	}
	6765	+
	6766	+ // Clear agent-related data
	6767	+ delete_option("mxchat_channel_{$session_id}");
	6768	+ delete_option("mxchat_agent_name_{$session_id}");
	6769	+ delete_option("mxchat_email_{$session_id}");
	6770	+
	6771	+ // Clear any recommendation flow state
	6772	+ delete_option("mxchat_sr_flow_state_{$session_id}");
	6773	+
	6774	+ // Clear any cached embeddings or context
	6775	+ delete_transient("mxchat_context_{$session_id}");
	6776	+ delete_transient("mxchat_last_query_{$session_id}");
	6777	+
	6778	+ // Clear any testing data
	6779	+ delete_transient("mxchat_testing_data_{$session_id}");
	6780	+
	6781	+ // Clear any rate limiting data for this session
	6782	+ delete_transient("mxchat_rate_limit_{$session_id}");
	6783	+
	6784	+ // Clear any other session-specific transients
	6785	+ delete_transient("mxchat_waiting_for_pdf_url_{$session_id}");
	6786	+ delete_transient("mxchat_include_pdf_in_context_{$session_id}");
	6787	+ delete_transient("mxchat_include_word_in_context_{$session_id}");
	6788	+
	6789	+ //error_log("MxChat: Cleared all data for session: {$session_id}");
	6790	+}
3449	6791
3450		- return $product_data;
	6792	+/**
	6793	+ * Initialize a fresh session with default data
	6794	+ */
	6795	+private function initialize_fresh_session($session_id) {
	6796	+ // Set default chat mode
	6797	+ update_option("mxchat_mode_{$session_id}", 'ai');
	6798	+
	6799	+ //error_log("MxChat: Initialized fresh session: {$session_id}");
3451	6800	}
	6801	+
	6802	+/**
	6803	+ * Helper method to clear Word document transients (if you have Word support)
	6804	+ */
	6805	+private function clear_word_transients($session_id) {
	6806	+ delete_transient('mxchat_word_url_' . $session_id);
	6807	+ delete_transient('mxchat_word_filename_' . $session_id);
	6808	+ delete_transient('mxchat_word_embeddings_' . $session_id);
	6809	+ delete_transient('mxchat_include_word_in_context_' . $session_id);
	6810	+}
	6811	+
	6812	+/**
	6813	+ * Simplified testing data capture method (CLEANED UP)
	6814	+ */
	6815	+private function capture_testing_data($user_embedding, $message, $session_id) {
	6816	+ // Only capture for admin users
	6817	+ if (!current_user_can('administrator')) {
	6818	+ return null;
	6819	+ }
	6820	+
	6821	+ $testing_data = [
	6822	+ 'query' => $message,
	6823	+ 'timestamp' => time(),
	6824	+ 'top_matches' => [],
	6825	+ 'action_matches' => [] // NEW: Add action matches
	6826	+ ];
	6827	+
	6828	+ // Get similarity threshold
	6829	+ $similarity_threshold = isset($this->options['similarity_threshold'])
	6830	+ ? ((int) $this->options['similarity_threshold']) / 100
	6831	+ : 0.75;
	6832	+
	6833	+ $testing_data['similarity_threshold'] = $similarity_threshold;
	6834	+
	6835	+ // Use the real similarity analysis if available
	6836	+ if ($this->last_similarity_analysis !== null) {
	6837	+ $testing_data['knowledge_base_type'] = $this->last_similarity_analysis['knowledge_base_type'];
	6838	+ $testing_data['top_matches'] = $this->last_similarity_analysis['top_matches'];
	6839	+ $testing_data['total_documents_checked'] = $this->last_similarity_analysis['total_checked'] ?? 0;
	6840	+ } else {
	6841	+ // Fallback: determine knowledge base type
	6842	+ $addon_options = get_option('mxchat_pinecone_addon_options', array());
	6843	+ $use_pinecone = (isset($addon_options['mxchat_use_pinecone']) && $addon_options['mxchat_use_pinecone'] === '1');
	6844	+
	6845	+ $testing_data['knowledge_base_type'] = $use_pinecone ? 'Pinecone' : 'WordPress Database';
	6846	+ }
	6847	+
	6848	+ // NEW: Include action analysis if available
	6849	+ if (isset($this->last_action_analysis) && !empty($this->last_action_analysis)) {
	6850	+ $testing_data['action_matches'] = $this->last_action_analysis;
	6851	+
	6852	+ // Clear it after capturing to avoid stale data
	6853	+ $this->last_action_analysis = null;
	6854	+ }
	6855	+
	6856	+ return $testing_data;
	6857	+}
	6858	+
	6859	+
	6860	+/**
	6861	+ * NEW: Track URL clicks from chatbot responses
	6862	+ */
	6863	+public function mxchat_track_url_click() {
	6864	+ // Verify nonce for security
	6865	+ if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
	6866	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6867	+ wp_die();
	6868	+ }
	6869	+
	6870	+ $session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
	6871	+ $clicked_url = isset($_POST['url']) ? esc_url_raw($_POST['url']) : '';
	6872	+ $message_context = isset($_POST['message_context']) ? sanitize_textarea_field($_POST['message_context']) : '';
	6873	+
	6874	+ if (empty($session_id) || empty($clicked_url)) {
	6875	+ wp_send_json_error(['message' => 'Missing required data']);
	6876	+ wp_die();
	6877	+ }
	6878	+
	6879	+ global $wpdb;
	6880	+ $table_name = $wpdb->prefix . 'mxchat_url_clicks';
	6881	+
	6882	+ // Insert click tracking record
	6883	+ $wpdb->insert(
	6884	+ $table_name,
	6885	+ [
	6886	+ 'session_id' => $session_id,
	6887	+ 'clicked_url' => $clicked_url,
	6888	+ 'message_context' => $message_context,
	6889	+ 'click_timestamp' => current_time('mysql', 1),
	6890	+ 'user_ip' => $_SERVER['REMOTE_ADDR'],
	6891	+ 'user_agent' => $_SERVER['HTTP_USER_AGENT']
	6892	+ ]
	6893	+ );
	6894	+
	6895	+ wp_send_json_success(['message' => 'Click tracked']);
	6896	+ wp_die();
	6897	+}
	6898	+
	6899	+/**
	6900	+ * NEW: Get URL click analytics for a session
	6901	+ */
	6902	+public function mxchat_get_url_clicks($session_id) {
	6903	+ global $wpdb;
	6904	+ $table_name = $wpdb->prefix . 'mxchat_url_clicks';
	6905	+
	6906	+ $clicks = $wpdb->get_results($wpdb->prepare(
	6907	+ "SELECT * FROM $table_name WHERE session_id = %s ORDER BY click_timestamp ASC",
	6908	+ $session_id
	6909	+ ));
	6910	+
	6911	+ return $clicks;
	6912	+}
	6913	+/**
	6914	+ * NEW: Track the originating page where chat was started
	6915	+ */
	6916	+public function mxchat_track_originating_page() {
	6917	+ // Verify nonce
	6918	+ if (!isset($_POST['nonce']) || !wp_verify_nonce($_POST['nonce'], 'mxchat_chat_nonce')) {
	6919	+ wp_send_json_error(['message' => 'Invalid nonce']);
	6920	+ wp_die();
	6921	+ }
	6922	+
	6923	+ $session_id = isset($_POST['session_id']) ? sanitize_text_field($_POST['session_id']) : '';
	6924	+ $page_url = isset($_POST['page_url']) ? esc_url_raw($_POST['page_url']) : '';
	6925	+ $page_title = isset($_POST['page_title']) ? sanitize_text_field($_POST['page_title']) : '';
	6926	+
	6927	+ if (empty($session_id)) {
	6928	+ wp_send_json_error(['message' => 'Missing session ID']);
	6929	+ wp_die();
	6930	+ }
	6931	+
	6932	+ global $wpdb;
	6933	+ $table_name = $wpdb->prefix . 'mxchat_chat_transcripts';
	6934	+
	6935	+ // Check if we've already tracked for this session
	6936	+ $existing = $wpdb->get_var($wpdb->prepare(
	6937	+ "SELECT COUNT(*) FROM $table_name
	6938	+ WHERE session_id = %s
	6939	+ AND originating_page_url IS NOT NULL",
	6940	+ $session_id
	6941	+ ));
	6942	+
	6943	+ if ($existing > 0) {
	6944	+ wp_send_json_success(['message' => 'Already tracked']);
	6945	+ wp_die();
	6946	+ }
	6947	+
	6948	+ // Update the first message in this session with originating page info
	6949	+ $wpdb->query($wpdb->prepare(
	6950	+ "UPDATE $table_name
	6951	+ SET originating_page_url = %s,
	6952	+ originating_page_title = %s
	6953	+ WHERE session_id = %s
	6954	+ ORDER BY timestamp ASC
	6955	+ LIMIT 1",
	6956	+ $page_url,
	6957	+ $page_title,
	6958	+ $session_id
	6959	+ ));
	6960	+
	6961	+ wp_send_json_success(['message' => 'Originating page tracked']);
	6962	+ wp_die();
	6963	+}
	6964	+
	6965	+
	6966	+
3452	6967
3453	6968	}
3454	6969	?>