import os
from pathlib import Path
import aiofiles
from ..utils.http_util import aiorequests


def get_path(dirname, filename):
    return Path() / 'data' / 'LittlePaimon' / 'guess_voice' / dirname / filename


async def require_file(file=None,
                       r_mode='rb',
                       encoding=None,
                       url=None,
                       use_cache=True,
                       w_mode='wb',
                       timeout=30):
    async def read():
        async with aiofiles.open(file, r_mode, encoding=encoding) as fp:
            return await fp.read()

    if not any([file, url]):
        raise ValueError('file or url not null')

    file = file and Path(file)

    if file and file.exists() and use_cache:
        return await read()

    if not url:
        raise ValueError('url not null')

    res = await aiorequests.get(url, timeout=timeout)
    content = res.read()

    if file:
        os.makedirs(os.path.dirname(file), exist_ok=True)
        async with aiofiles.open(file, w_mode, encoding=encoding) as fp:
            await fp.write(content)
            return content
    return await read()