from gtts import gTTS
import io

# Function to convert translated text to speech with debugging
def text_to_speech(text, target_lang):
    try:
        if not text or not text.strip():
            print("Error: Empty or invalid text for speech synthesis")
            return None
        lang_map = {"en": "en", "fr": "fr", "es": "es", "de": "de", "hi": "hi", "zh": "zh-cn", "ar": "ar", "ru": "ru", "ja": "ja"}
        lang_code = lang_map.get(target_lang, "en")
        if lang_code not in lang_map.values():
            print(f"Error: Unsupported language code {lang_code} for speech synthesis")
            return None
        tts = gTTS(text=text[:200], lang=lang_code, slow=False)
        audio_buffer = io.BytesIO()
        tts.write_to_fp(audio_buffer)
        audio_buffer.seek(0)
        if audio_buffer.getbuffer().nbytes > 0:
            return audio_buffer
        print("Error: Audio buffer is empty")
        return None
    except Exception as e:
        print(f"Audio error: {e}")
        return None