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"""

bilibili_api.channel_series



用户合集与列表相关

"""
import json
from enum import Enum
from typing import List, Union, Optional

import httpx

from .utils.utils import get_api, raise_for_statement
from .utils.credential import Credential
from .utils.network import Api, HEADERS

API_USER = get_api("user")
API = get_api("channel-series")

channel_meta_cache = {}


class ChannelOrder(Enum):
    """

    合集视频排序顺序。

    + DEFAULT: 默认排序

    + CHANGE : 升序排序

    """

    DEFAULT = "false"
    CHANGE = "true"


class ChannelSeriesType(Enum):
    """

    合集与列表类型



    + SERIES: 相同视频分类

    + SEASON: 新概念多 P



    **SEASON 类合集与列表名字为`合集·XXX`,请注意区别**

    """

    SERIES = 0
    SEASON = 1


class ChannelSeries:
    """

    合集与列表类



    Attributes:

        credential (Credential): 凭据类. Defaults to None.

    """

    def __init__(

        self,

        uid: int = -1,

        type_: ChannelSeriesType = ChannelSeriesType.SERIES,

        id_: int = -1,

        credential: Union[Credential, None] = None,

    ):
        """

        Args:

            uid(int)                : 用户 uid. Defaults to -1.



            type_(ChannelSeriesType): 合集与列表类型. Defaults to ChannelSeriesType.SERIES.



            id_(int)                : season_id 或 series_id. Defaults to -1.



            credential(Credential)  : 凭证. Defaults to None.

        """
        global channel_meta_cache
        raise_for_statement(id_ != -1)
        raise_for_statement(type_ != None)
        from .user import User

        self.__uid = uid
        self.is_new = type_.value
        self.id_ = id_
        self.owner = User(self.__uid, credential=credential)
        self.credential = credential
        self.meta = None
        if not f"{type_.value}-{id_}" in channel_meta_cache.keys():
            if self.is_new:
                api = API_USER["channel_series"]["season_info"]
                params = {"season_id": self.id_}
            else:
                api = API_USER["channel_series"]["info"]
                params = {"series_id": self.id_}
            resp = Api(**api).update_params(**params).result_sync
            if self.is_new:
                self.meta = resp["info"]
                self.meta["mid"] = resp["info"]["upper"]["mid"]
                self.__uid = self.meta["mid"]
                self.owner = User(self.__uid, credential=credential)
            else:
                self.meta = resp["meta"]
                self.__uid = self.meta["mid"]
                self.owner = User(self.__uid, credential=credential)
        else:
            self.meta = channel_meta_cache[f"{type_.value}-{id_}"]

    def get_meta(self) -> dict:
        """

        获取元数据



        Returns:

            调用 API 返回的结果

        """
        return self.meta  # type: ignore

    async def get_videos(

        self, sort: ChannelOrder = ChannelOrder.DEFAULT, pn: int = 1, ps: int = 100

    ) -> dict:
        """

        获取合集视频

        Args:

            sort(ChannelOrder): 排序方式



            pn(int)           : 页数,默认为 1



            ps(int)           : 每一页显示的视频数量



        Returns:

            调用 API 返回的结果

        """
        if self.is_new:
            return await self.owner.get_channel_videos_season(self.id_, sort, pn, ps)
        else:
            return await self.owner.get_channel_videos_series(self.id_, sort, pn, ps)


async def create_channel_series(

    name: str,

    aids: List[int] = [],

    keywords: List[str] = [],

    description: str = "",

    credential: Union[Credential, None] = None,

) -> dict:
    """

    新建一个视频列表 (旧版合集)



    Args:

        name (str): 列表名称。



        aids (List[int]): 要加入列表的视频的 aid 列表。



        keywords (List[str]): 列表的关键词。



        description (str): 列表的描述。



        credential (Credential | None): 凭据类。



    Returns:

        dict: 调用 API 返回的结果

    """
    from .user import get_self_info

    credential = credential if credential else Credential()
    credential.raise_for_no_sessdata()
    credential.raise_for_no_bili_jct()
    api = API_USER["channel_series"]["create"]
    info = await get_self_info(credential)
    data = {
        "mid": info["mid"],
        "aids": ",".join(map(lambda x: str(x), aids)),
        "name": name,
        "keywords": ",".join(keywords),
        "description": description,
    }
    return await Api(**api, credential=credential).update_data(**data).result


async def del_channel_series(series_id: int, credential: Credential) -> dict:
    """

    删除视频列表(旧版合集)



    Args:

        series_id  (int)       : 旧版合集 id。



        credential (Credential): 凭据类。



    Returns:

        dict: 调用 API 返回的结果

    """
    from .user import User, get_self_info

    credential.raise_for_no_sessdata()
    credential.raise_for_no_bili_jct()
    series_total = ChannelSeries(
        type_=ChannelSeriesType.SERIES, id_=series_id, credential=credential
    ).get_meta()["total"]
    self_uid = (await get_self_info(credential))["mid"]
    aids = []
    pages = series_total // 20 + (1 if (series_total % 20 != 0) else 0)
    for page in range(1, pages + 1, 1):
        page_info = await User(self_uid, credential).get_channel_videos_series(
            series_id, pn=page, ps=20
        )
        for aid in page_info["aids"]:
            aids.append(aid)
    api = API_USER["channel_series"]["del_channel_series"]
    data = {
        "mid": self_uid,
        "series_id": series_id,
        "aids": ",".join(map(lambda x: str(x), aids)),
    }
    return await Api(**api, credential=credential).update_data(**data).result


async def add_aids_to_series(

    series_id: int, aids: List[int], credential: Credential

) -> dict:
    """

    添加视频至视频列表(旧版合集)



    Args:

        series_id  (int)       : 旧版合集 id。



        aids       (List[int]) : 视频 aid 列表。



        credential (Credential): 凭据类。



    Returns:

        dict: 调用 API 返回的结果

    """
    from .user import get_self_info

    credential.raise_for_no_sessdata()
    credential.raise_for_no_bili_jct()
    self_info = await get_self_info(credential)
    api = API_USER["channel_series"]["add_channel_aids_series"]
    data = {
        "mid": self_info["mid"],
        "series_id": series_id,
        "aids": ",".join(map(lambda x: str(x), aids)),
    }
    return await Api(**api, credential=credential).update_data(**data).result


async def del_aids_from_series(

    series_id: int, aids: List[int], credential: Credential

) -> dict:
    """

    从视频列表(旧版合集)删除视频



    Args:

        series_id  (int)       : 旧版合集 id。



        aids       (List[int]) : 视频 aid 列表。



        credential (Credential): 凭据类。



    Returns:

        dict: 调用 API 返回的结果

    """
    from .user import get_self_info

    credential.raise_for_no_sessdata()
    credential.raise_for_no_bili_jct()
    self_info = await get_self_info(credential)
    api = API_USER["channel_series"]["del_channel_aids_series"]
    data = {
        "mid": self_info["mid"],
        "series_id": series_id,
        "aids": ",".join(map(lambda x: str(x), aids)),
    }
    return await Api(**api, credential=credential).update_data(**data).result


async def set_follow_channel_season(

    season_id: int, status: bool = True, credential: Optional[Credential] = None

) -> dict:
    """

    设置是否订阅合集(新版)



    Args:

        season_id (int) : 合集 id



        status    (bool): 是否订阅状态. Defaults to True.

    """
    api = API["operate"]["fav"] if status else API["operate"]["unfav"]
    data = {"season_id": season_id}
    return await Api(**api, credential=credential).update_data(**data).result