# male_voice.py
import pyttsx3
from pathlib import Path
import asyncio
from typing import Union

def text_to_speech(text: str, output_path: Union[str, Path]) -> bool:
    """
    Convert text to speech and save to file using pyttsx3.
    Returns True on success.
    """
    try:
        engine = pyttsx3.init()
        engine.setProperty('rate', 150)  # Speaking speed

        # Select male voice (prioritize David, then any non-Zira)
        voices = engine.getProperty('voices')
        selected = False
        for voice in voices:
            name = voice.name.lower()
            if 'david' in name or ('male' in name and 'zira' not in name):
                engine.setProperty('voice', voice.id)
                selected = True
                break

        if not selected and voices:
            engine.setProperty('voice', voices[0].id)  # fallback

        # Ensure output path is Path object
        output_path = Path(output_path)
        output_path.parent.mkdir(parents=True, exist_ok=True)

        # Save to file
        engine.save_to_file(text, str(output_path))
        engine.runAndWait()

        print(f"[pyttsx3] Saved: {output_path}")
        return True

    except Exception as e:
        print(f"[pyttsx3] Error: {e}")
        return False


async def text_to_speech_async(text: str, output_path: Union[str, Path]) -> bool:
    """
    Async wrapper for text_to_speech using asyncio.to_thread.
    Prevents blocking the Streamlit event loop.
    """
    return await asyncio.to_thread(text_to_speech, text, output_path)