Deploy ElevenLabs TTS integration and diagnostics

backend/app/Controllers/WhatsAppController.php

@@ -377,8 +377,19 @@ class WhatsAppController extends BaseController
                         if (strpos($mimeType, ';') !== false) {
                             $mimeType = trim(explode(';', $mimeType)[0]);
                         }
+                        $elApiKey = !empty($rule['elevenlabs_api_key']) ? $rule['elevenlabs_api_key'] : (getenv('ELEVENLABS_API_KEY') ?: null);
+                        $elVoiceId = !empty($rule['elevenlabs_voice_id']) ? $rule['elevenlabs_voice_id'] : (getenv('ELEVENLABS_VOICE_ID') ?: null);
+
                         // Try generating native audio response first
-                        $audioResponse = \App\Services\GeminiService::generateAudioResponseFromAudio($apiKey, $systemPrompt, $msgData['audio'], $mimeType);
+                        $audioResponse = \App\Services\GeminiService::generateAudioResponseFromAudio(
+                            $apiKey,
+                            $systemPrompt,
+                            $msgData['audio'],
+                            $mimeType,
+                            'Puck',
+                            $elApiKey,
+                            $elVoiceId
+                        );
                         if ($audioResponse && !empty($audioResponse['audio'])) {
                             $replyAudio = $audioResponse['audio'];
                             $replyText = '[صوت من الذكاء الاصطناعي]';

backend/public/test_elevenlabs.php

@@ -0,0 +1,84 @@
+<?php
+// Secure token check to prevent unauthorized execution on production
+if (($_GET['token'] ?? '') !== 'nabeh_test_elevenlabs_1298') {
+    http_response_code(403);
+    die('Unauthorized access');
+}
+
+require_once dirname(__DIR__) . '/app/bootstrap.php';
+
+use App\Services\GeminiService;
+use App\Models\ChatbotRule;
+use App\Core\Database;
+
+header('Content-Type: text/plain; charset=utf-8');
+
+echo "=== Starting ElevenLabs Audio Response Diagnostics ===\n\n";
+
+// 1. Load active rule and extract ElevenLabs configuration
+$rules = Database::select("SELECT * FROM chatbot_rules WHERE trigger_type = 'gemini_ai' AND is_active = 1 LIMIT 1");
+$rule = !empty($rules) ? $rules[0] : null;
+
+if ($rule) {
+    echo "✅ [Database] Found active rule for Company ID: {$rule['company_id']}\n";
+    // Check if keys are defined in the database rule
+    $elApiKey = !empty($rule['elevenlabs_api_key']) ? \App\Core\Security::decrypt($rule['elevenlabs_api_key']) : null;
+    $elVoiceId = $rule['elevenlabs_voice_id'] ?? null;
+} else {
+    echo "ℹ️ [Database] No active rule found. Checking environment variables.\n";
+    $elApiKey = null;
+    $elVoiceId = null;
+}
+
+// Fallback to .env configuration if database values are empty
+if (empty($elApiKey)) {
+    $elApiKey = getenv('ELEVENLABS_API_KEY');
+    echo "ℹ️ [Config] ElevenLabs API Key loaded from environment variable (.env).\n";
+} else {
+    echo "ℹ️ [Config] ElevenLabs API Key loaded from active chatbot rule.\n";
+}
+
+if (empty($elVoiceId)) {
+    $elVoiceId = getenv('ELEVENLABS_VOICE_ID') ?: 'pNInz6obpgDQGcFmaJgB'; // Default to Adam
+    echo "ℹ️ [Config] ElevenLabs Voice ID loaded from environment/default: {$elVoiceId}\n";
+} else {
+    echo "ℹ️ [Config] ElevenLabs Voice ID loaded from active chatbot rule: {$elVoiceId}\n";
+}
+
+if (empty($elApiKey)) {
+    echo "❌ [Config] ElevenLabs API Key is missing. Diagnostics stopped.\n";
+    exit(1);
+}
+
+echo "ℹ️ [Config] API Key starts with: " . substr($elApiKey, 0, 6) . "...\n";
+
+// 2. Execute Test Voice Generation using ElevenLabs
+echo "\n--- Generating Speech with ElevenLabs ---\n";
+$testText = "مرحباً بك! أنا مساعدك الذكي من نبيه، كيف يمكنني مساعدتك اليوم؟";
+echo "Text to generate: \"{$testText}\"\n";
+
+// We pass an empty/dummy Gemini API Key and systemPrompt because we are only testing ElevenLabs TTS path
+$response = GeminiService::generateAudioResponse(
+    'dummy_gemini_key',
+    'dummy_system_prompt',
+    $testText,
+    'Puck',
+    $elApiKey,
+    $elVoiceId
+);
+
+if ($response && !empty($response['audio'])) {
+    echo "✅ [ElevenLabs] Speech generation successful!\n";
+    echo "ℹ️ [ElevenLabs] Audio MimeType: {$response['mimeType']}\n";
+    echo "ℹ️ [ElevenLabs] Audio size: " . strlen($response['audio']) . " base64 chars\n";
+    
+    // Save to test file
+    $binaryAudio = base64_decode($response['audio']);
+    $outputPath = __DIR__ . '/test_elevenlabs_out.mp3';
+    file_put_contents($outputPath, $binaryAudio);
+    echo "✅ [ElevenLabs] Audio successfully written to: " . basename($outputPath) . "\n";
+} else {
+    echo "❌ [ElevenLabs] Speech generation failed. Check error log or verify API Key quota/limits.\n";
+}
+
+echo "\n=== Diagnostics Complete ===\n";