from __future__ import annotations

import asyncio
from pathlib import Path

from engine.audio_gen import synthesize_one
from engine.config import AppConfig

from .base import BaseTTS


class EdgeTTS(BaseTTS):
    def __init__(self, cfg: AppConfig):
        self.cfg = cfg

    def generate(self, text: str, output_path: str | Path) -> str:
        text = text or " "
        output_path = Path(output_path)
        voice = str(self.cfg.get("tts.voice", "zh-CN-XiaoxiaoNeural"))
        rate = str(self.cfg.get("tts.rate", "+0%"))
        volume = str(self.cfg.get("tts.volume", "+0%"))

        async def _run():
            asset = await synthesize_one(text, output_path, voice, rate, volume)
            return str(asset.path)

        return asyncio.run(_run())