"""
bilibili_api.audio

音频相关
"""

from enum import Enum
from typing import Union, Optional

from .utils.utils import get_api
from .utils.credential import Credential
from .utils.network import Api

API = get_api("audio")


class Audio:
    """
    音频

    Attributes:
        credential (Credential): 凭据类
    """

    def __init__(self, auid: int, credential: Union[Credential, None] = None):
        """
        Args:
            auid       (int)                        : 音频 AU 号

            credential (Credential | None, optional): 凭据. Defaults to None
        """
        self.credential = credential if credential is not None else Credential()
        self.__auid = auid

    def get_auid(self) -> int:
        return self.__auid

    async def get_info(self) -> dict:
        """
        获取音频信息

        Returns:
            dict: 调用 API 返回的结果
        """

        api = API["audio_info"]["info"]
        params = {"sid": self.__auid}
        return (
            await Api(**api, credential=self.credential).update_params(**params).result
        )

    async def get_tags(self) -> dict:
        """
        获取音频 tags

        Returns:
            dict: 调用 API 返回的结果
        """
        api = API["audio_info"]["tag"]
        params = {"sid": self.__auid}
        return (
            await Api(**api, credential=self.credential).update_params(**params).result
        )

    async def get_download_url(self) -> dict:
        """
        获取音频下载链接

        Returns:
            dict: 调用 API 返回的结果
        """
        api = API["audio_info"]["download_url"]
        params = {"sid": self.__auid, "privilege": 2, "quality": 2}
        return (
            await Api(**api, credential=self.credential).update_params(**params).result
        )

    async def add_coins(self, num: int = 2) -> dict:
        """
        投币

        Args:
            num (int, optional): 投币数量。Defaults to 2.

        Returns:
            dict: 调用 API 返回的结果
        """
        self.credential.raise_for_no_sessdata()

        api = API["audio_operate"]["coin"]
        data = {"sid": self.__auid, "multiply": num}

        return await Api(**api, credential=self.credential).update_data(**data).result

    # TODO: 音频编辑


class AudioList:
    """
    歌单

    Attributes:
        credential (Credential): 凭据类
    """

    def __init__(self, amid: int, credential: Union[Credential, None] = None):
        """
        Args:
            amid       (int)                        : 歌单 ID

            credential (Credential | None, optional): 凭据. Defaults to None.
        """
        self.__amid = amid
        self.credential = credential if credential is not None else Credential()

    def get_amid(self) -> int:
        return self.__amid

    async def get_info(self) -> dict:
        """
        获取歌单信息

        Returns:
            dict: 调用 API 返回的结果
        """

        api = API["list_info"]["info"]
        params = {"sid": self.__amid}
        return (
            await Api(**api, credential=self.credential).update_params(**params).result
        )

    async def get_tags(self) -> dict:
        """
        获取歌单 tags

        Returns:
            dict: 调用 API 返回的结果
        """

        api = API["list_info"]["tag"]
        params = {"sid": self.__amid}
        return (
            await Api(**api, credential=self.credential).update_params(**params).result
        )

    async def get_song_list(self, pn: int = 1) -> dict:
        """
        获取歌单歌曲列表

        Args:
            pn (int, optional): 页码. Defaults to 1

        Returns:
            dict: 调用 API 返回的结果
        """
        api = API["list_info"]["song_list"]
        params = {"sid": self.__amid, "pn": pn, "ps": 100}

        return (
            await Api(**api, credential=self.credential).update_params(**params).result
        )

    # TODO: 歌单编辑


async def get_user_stat(uid: int, credential: Union[Credential, None] = None) -> dict:
    """
    获取用户数据（收听数，粉丝数等）

    Args:
        uid        (int)                        : 用户 UID

        credential (Credential | None, optional): 凭据. Defaults to None

    Returns:
        dict: 调用 API 返回的结果
    """
    credential = credential if credential is not None else Credential()
    api = API["audio_info"]["user"]
    params = {"uid": uid}
    return await Api(**api, credential=credential).update_params(**params).result


async def get_hot_song_list(
    pn: int = 1, credential: Union[Credential, None] = None
) -> dict:
    """
    获取热门歌单

    Args:
        pn(int, optional)                       : 页数. Defaults to 1

        credential (Credential | None, optional): 凭据. Defaults to None

    Returns:
        dict: 调用 API 返回的结果
    """
    credential = credential if credential is not None else Credential()
    api = API["list_info"]["hot"]
    params = {"pn": pn, "ps": 100}
    return await Api(**api, credential=credential).update_params(**params).result