"""Audio playback for WAV files."""

import asyncio
import io
import logging

import numpy as np
import sounddevice as sd
import soundfile as sf

logger = logging.getLogger(__name__)


def play_wav(wav_data: bytes, volume: int = 100) -> None:
    data, samplerate = sf.read(io.BytesIO(wav_data), dtype="float32")
    if volume != 100:
        gain = max(0.0, volume / 100.0)
        data = np.clip(data * gain, -1.0, 1.0)
    sd.play(data, samplerate)
    sd.wait()


async def play_wav_async(wav_data: bytes, volume: int = 100) -> None:
    loop = asyncio.get_running_loop()
    await loop.run_in_executor(None, play_wav, wav_data, volume)


def get_output_devices() -> list[dict]:
    devices = sd.query_devices()
    result = []
    for i, dev in enumerate(devices):
        if dev["max_output_channels"] > 0:
            result.append({
                "index": i,
                "name": dev["name"],
                "channels": dev["max_output_channels"],
                "default_samplerate": dev["default_samplerate"],
            })
    return result