Deploy: 2026-05-23 01:13:51

backend/app/Services/TTSService.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Services;
+
+class TTSService
+{
+    /**
+     * Convert text to speech using Google Translate TTS API (Free/No authentication required).
+     * Returns the MP3 audio file content base64-encoded.
+     *
+     * @param string $text Arabic text to convert (e.g. "رمز التحقق الخاص بك هو 5 4 2 1")
+     * @return string|null Base64 encoded audio string or null on failure
+     */
+    public static function textToSpeechArabic(string $text): ?string
+    {
+        try {
+            $encodedText = urlencode($text);
+            $url = "https://translate.google.com/translate_tts?ie=UTF-8&client=tw-ob&tl=ar&q={$encodedText}";
+
+            $ch = curl_init($url);
+            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+            curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+            curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36');
+            curl_setopt($ch, CURLOPT_TIMEOUT, 10);
+            
+            $audioBinary = curl_exec($ch);
+            $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+            $contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
+            curl_close($ch);
+
+            if ($httpCode !== 200 || empty($audioBinary)) {
+                error_log("[TTS Service Error] Failed to fetch audio from Google TTS. HTTP Code: {$httpCode}");
+                return null;
+            }
+
+            // Verify if the response is actually audio
+            if (strpos(strtolower($contentType), 'audio') === false && strlen($audioBinary) < 1000) {
+                error_log("[TTS Service Error] Response content-type was not audio: {$contentType}. Body: " . substr($audioBinary, 0, 100));
+                return null;
+            }
+
+            return base64_encode($audioBinary);
+        } catch (\Exception $e) {
+            error_log("[TTS Service Exception] " . $e->getMessage());
+            return null;
+        }
+    }
+}