bilibili_api/article.py

"""
bilibili_api.article

专栏相关
"""

import re
import json
from copy import copy
from enum import Enum
from html import unescape
from datetime import datetime
from urllib.parse import unquote
from typing import List, Union, TypeVar, overload

import yaml
import httpx
from yarl import URL
from bs4 import BeautifulSoup, element

from .utils.initial_state import get_initial_state, get_initial_state_sync
from .utils.utils import get_api, raise_for_statement
from .utils.credential import Credential
from .utils.network import Api, get_session
from .utils import cache_pool
from .exceptions.NetworkException import ApiException, NetworkException
from .video import get_cid_info_sync
from . import note
from . import opus

API = get_api("article")

# 文章颜色表
ARTICLE_COLOR_MAP = {
    "default": "222222",
    "blue-01": "56c1fe",
    "lblue-01": "73fdea",
    "green-01": "89fa4e",
    "yellow-01": "fff359",
    "pink-01": "ff968d",
    "purple-01": "ff8cc6",
    "blue-02": "02a2ff",
    "lblue-02": "18e7cf",
    "green-02": "60d837",
    "yellow-02": "fbe231",
    "pink-02": "ff654e",
    "purple-02": "ef5fa8",
    "blue-03": "0176ba",
    "lblue-03": "068f86",
    "green-03": "1db100",
    "yellow-03": "f8ba00",
    "pink-03": "ee230d",
    "purple-03": "cb297a",
    "blue-04": "004e80",
    "lblue-04": "017c76",
    "green-04": "017001",
    "yellow-04": "ff9201",
    "pink-04": "b41700",
    "purple-04": "99195e",
    "gray-01": "d6d5d5",
    "gray-02": "929292",
    "gray-03": "5f5f5f",
}


class ArticleType(Enum):
    """
    专栏类型

    - ARTICLE        : 普通专栏，不与 opus 图文兼容。
    - NOTE           : 公开笔记
    - SPECIAL_ARTICLE: 特殊专栏，采用笔记格式，且与 opus 图文完全兼容。
    """

    ARTICLE = 0
    NOTE = 2
    SPECIAL_ARTICLE = 3


class ArticleRankingType(Enum):
    """
    专栏排行榜类型枚举。

    + MONTH: 月榜
    + WEEK: 周榜
    + DAY_BEFORE_YESTERDAY: 前日榜
    + YESTERDAY: 昨日榜
    """

    MONTH = 1
    WEEK = 2
    DAY_BEFORE_YESTERDAY = 4
    YESTERDAY = 3


ArticleT = TypeVar("ArticleT", bound="Article")


async def get_article_rank(
    rank_type: ArticleRankingType = ArticleRankingType.YESTERDAY,
):
    """
    获取专栏排行榜

    Args:
        rank_type (ArticleRankingType): 排行榜类别. Defaults to ArticleRankingType.YESTERDAY.

    Returns:
        dict: 调用 API 返回的结果
    """
    api = API["info"]["rank"]
    params = {"cid": rank_type.value}
    return await Api(**api).update_params(**params).result


class ArticleList:
    """
    文集类

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

    def __init__(self, rlid: int, credential: Union[Credential, None] = None):
        """
        Args:
            rlid       (int)                        : 文集 id

            credential (Credential | None, optional): 凭据类. Defaults to None.
        """
        self.__rlid = rlid
        self.credential = credential

    def get_rlid(self) -> int:
        return self.__rlid

    async def get_content(self) -> dict:
        """
        获取专栏文集文章列表

        Returns:
            dict: 调用 API 返回的结果
        """
        credential = self.credential if self.credential is not None else Credential()

        api = API["info"]["list"]
        params = {"id": self.__rlid}
        return await Api(**api, credential=credential).update_params(**params).result


class Article:
    """
    专栏类

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

    def __init__(self, cvid: int, credential: Union[Credential, None] = None):
        """
        Args:
            cvid       (int)                        : cv 号

            credential (Credential | None, optional): 凭据. Defaults to None.
        """
        self.__children: List[Node] = []
        self.credential: Credential = (
            credential if credential is not None else Credential()
        )
        self.__meta = None
        self.__cvid = cvid
        self.__has_parsed: bool = False

        # 设置专栏类别
        if cache_pool.article_is_opus.get(self.__cvid):
            self.__type = ArticleType.SPECIAL_ARTICLE
        else:
            api = API["info"]["view"]
            params = {"id": self.__cvid}
            resp = Api(**api).update_params(**params).request_sync(raw=True)

            if resp["code"] != 0:
                self.__type = ArticleType.ARTICLE
            elif resp["data"]["type"] == 0:
                self.__type = ArticleType.ARTICLE
            elif resp["data"]["type"] == 2:
                self.__type = ArticleType.NOTE
            else:
                self.__type = ArticleType.SPECIAL_ARTICLE

        if cache_pool.article_dyn_id.get(self.__cvid):
            self.__dyn_id = cache_pool.article_dyn_id[self.__cvid]
        else:
            initial_state = get_initial_state_sync(
                f"https://www.bilibili.com/read/cv{self.__cvid}"
            )
            self.__dyn_id = int(initial_state[0]["readInfo"]["dyn_id_str"])

    def get_cvid(self) -> int:
        return self.__cvid

    def get_type(self) -> ArticleType:
        """
        获取专栏类型(专栏/笔记)

        Returns:
            ArticleType: 专栏类型
        """
        return self.__type

    def is_note(self) -> bool:
        """
        检查专栏是否笔记

        Returns:
            bool: 是否笔记
        """
        return self.__type == ArticleType.NOTE

    def turn_to_note(self) -> "note.Note":
        """
        对于完全与 opus 兼容的部分的特殊专栏，将 Article 对象转换为 Dynamic 对象。

        Returns:
            Note: 笔记类
        """
        raise_for_statement(
            self.__type == ArticleType.NOTE, "仅支持公开笔记 (ArticleType.NOTE)"
        )
        return note.Note(
            cvid=self.__cvid, note_type=note.NoteType.PUBLIC, credential=self.credential
        )

    def turn_to_opus(self) -> "opus.Opus":
        """
        对于 SPECIAL_ARTICLE，将其转为图文
        """
        raise_for_statement(
            self.__type == ArticleType.SPECIAL_ARTICLE, "仅支持图文专栏"
        )
        cache_pool.opus_type[self.__dyn_id] = 1
        cache_pool.opus_info[self.__dyn_id] = {"basic": {"rid_str": str(self.__cvid)}}
        return opus.Opus(self.__dyn_id, credential=self.credential)

    def markdown(self) -> str:
        """
        转换为 Markdown

        请先调用 fetch_content()

        Returns:
            str: Markdown 内容
        """
        if not self.__has_parsed:
            raise ApiException("请先调用 fetch_content()")

        content = ""

        for node in self.__children:
            try:
                markdown_text = node.markdown()
            except:
                continue
            else:
                content += markdown_text

        meta_yaml = yaml.safe_dump(self.__meta, allow_unicode=True)
        content = f"---\n{meta_yaml}\n---\n\n{content}"
        return content

    def json(self) -> dict:
        """
        转换为 JSON 数据

        请先调用 fetch_content()

        Returns:
            dict: JSON 数据
        """
        if not self.__has_parsed:
            raise ApiException("请先调用 fetch_content()")

        return {
            "type": "Article",
            "meta": self.__meta,
            "children": list(map(lambda x: x.json(), self.__children)),
        }

    async def fetch_content(self) -> None:
        """
        获取并解析专栏内容

        该返回不会返回任何值，调用该方法后请再调用 `self.markdown()` 或 `self.json()` 来获取你需要的值。
        """

        resp = await self.get_all()

        document = BeautifulSoup(f"<div>{resp['readInfo']['content']}</div>", "lxml")

        async def parse(el: BeautifulSoup):
            node_list = []

            for e in el.contents:  # type: ignore
                if type(e) == element.NavigableString:
                    # 文本节点
                    node = TextNode(e)  # type: ignore
                    node_list.append(node)
                    continue

                e: BeautifulSoup = e
                if e.name == "p":
                    # 段落
                    node = ParagraphNode()
                    node_list.append(node)

                    if "style" in e.attrs:
                        if "text-align: center" in e.attrs["style"]:
                            node.align = "center"

                        elif "text-align: right" in e.attrs["style"]:
                            node.align = "right"

                        else:
                            node.align = "left"

                    node.children = await parse(e)

                elif e.name == "h1":
                    # 标题
                    node = HeadingNode()
                    node_list.append(node)

                    node.children = await parse(e)

                elif e.name == "strong":
                    # 粗体
                    node = BoldNode()
                    node_list.append(node)

                    node.children = await parse(e)

                elif e.name == "span":
                    # 各种样式
                    if "style" in e.attrs:
                        style = e.attrs["style"]

                        if "text-decoration: line-through" in style:
                            # 删除线
                            node = DelNode()
                            node_list.append(node)

                            node.children = await parse(e)

                    elif "class" in e.attrs:
                        className = e.attrs["class"][0]

                        if "font-size" in className:
                            # 字体大小
                            node = FontSizeNode()
                            node_list.append(node)

                            node.size = int(re.search("font-size-(\d\d)", className)[1])  # type: ignore
                            node.children = await parse(e)

                        elif "color" in className:
                            # 字体颜色
                            node = ColorNode()
                            node_list.append(node)

                            color_text = re.search("color-(.*);?", className)[1]  # type: ignore
                            node.color = ARTICLE_COLOR_MAP[color_text]

                            node.children = await parse(e)
                        else:
                            if e.text != "":
                                # print(e.text.replace("\n", ""))
                                # print()
                                node = TextNode(e.text)
                                # print("Add a text node: ", e.text)
                                node_list.append(node)
                                node.children = parse(e)  # type: ignore

                elif e.name == "blockquote":
                    # 引用块
                    # print(e.text)
                    node = BlockquoteNode()
                    node_list.append(node)
                    node.children = await parse(e)

                elif e.name == "figure":
                    if "class" in e.attrs:
                        className = e.attrs["class"]

                        if "img-box" in className:
                            img_el: BeautifulSoup = e.find("img")  # type: ignore
                            if img_el == None:
                                pass
                            elif "class" in img_el.attrs:
                                className = img_el.attrs["class"]

                                if "cut-off" in className:
                                    # 分割线
                                    node = SeparatorNode()
                                    node_list.append(node)

                                if "aid" in img_el.attrs:
                                    # 各种卡片
                                    aid = img_el.attrs["aid"]

                                    if "video-card" in className:
                                        # 视频卡片，考虑有两列视频
                                        for a in aid.split(","):
                                            node = VideoCardNode()
                                            node_list.append(node)

                                            node.aid = int(a)

                                    elif "article-card" in className:
                                        # 文章卡片
                                        node = ArticleCardNode()
                                        node_list.append(node)

                                        node.cvid = int(aid)

                                    elif "fanju-card" in className:
                                        # 番剧卡片
                                        node = BangumiCardNode()
                                        node_list.append(node)

                                        node.epid = int(aid[2:])

                                    elif "music-card" in className:
                                        # 音乐卡片
                                        node = MusicCardNode()
                                        node_list.append(node)

                                        node.auid = int(aid[2:])

                                    elif "shop-card" in className:
                                        # 会员购卡片
                                        node = ShopCardNode()
                                        node_list.append(node)

                                        node.pwid = int(aid[2:])

                                    elif "caricature-card" in className:
                                        # 漫画卡片，考虑有两列

                                        for i in aid.split(","):
                                            node = ComicCardNode()
                                            node_list.append(node)

                                            node.mcid = int(i)

                                    elif "live-card" in className:
                                        # 直播卡片
                                        node = LiveCardNode()
                                        node_list.append(node)

                                        node.room_id = int(aid)
                            else:
                                # 图片节点
                                node = ImageNode()
                                node_list.append(node)

                                node.url = "https:" + e.find("img").attrs["data-src"]  # type: ignore

                                figcaption_el: BeautifulSoup = e.find("figcaption")  # type: ignore

                                if figcaption_el:
                                    if figcaption_el.contents:
                                        node.alt = figcaption_el.contents[0]  # type: ignore

                        elif "code-box" in className:
                            # 代码块
                            node = CodeNode()
                            node_list.append(node)

                            pre_el: BeautifulSoup = e.find("pre")  # type: ignore
                            node.lang = pre_el.attrs["data-lang"].split("@")[0].lower()
                            node.code = unquote(pre_el.attrs["codecontent"])

                elif e.name == "ol":
                    # 有序列表
                    node = OlNode()
                    node_list.append(node)

                    node.children = await parse(e)

                elif e.name == "li":
                    # 列表元素
                    node = LiNode()
                    node_list.append(node)

                    node.children = await parse(e)

                elif e.name == "ul":
                    # 无序列表
                    node = UlNode()
                    node_list.append(node)

                    node.children = await parse(e)

                elif e.name == "a":
                    # 超链接
                    if len(e.contents) == 0:
                        from .utils.parse_link import ResourceType, parse_link

                        parse_link_res = await parse_link(e.attrs["href"])
                        if parse_link_res[1] == ResourceType.VIDEO:
                            node = VideoCardNode()
                            node.aid = parse_link_res[0].get_aid()
                            node_list.append(node)
                        elif parse_link_res[1] == ResourceType.AUDIO:
                            node = MusicCardNode()
                            node.auid = parse_link_res[0].get_auid()
                            node_list.append(node)
                        elif parse_link_res[1] == ResourceType.LIVE:
                            node = LiveCardNode()
                            node.room_id = parse_link_res[0].room_display_id
                            node_list.append(node)
                        elif parse_link_res[1] == ResourceType.ARTICLE:
                            node = ArticleCardNode()
                            node.cvid = parse_link_res[0].get_cvid()
                            node_list.append(node)
                        else:
                            # XXX: 暂不支持其他的站内链接
                            pass
                    else:
                        node = AnchorNode()
                        node_list.append(node)

                        node.url = e.attrs["href"]
                        node.text = e.contents[0]  # type: ignore

                elif e.name == "img":
                    className = e.attrs.get("class")

                    if not className:
                        # 图片
                        node = ImageNode()
                        node.url = e.attrs.get("data-src")  # type: ignore
                        node_list.append(node)

                    elif "latex" in className:
                        # 公式
                        node = LatexNode()
                        node_list.append(node)

                        node.code = unquote(e["alt"])  # type: ignore

            return node_list

        def parse_note(data: List[dict]):
            for field in data:
                if not isinstance(field["insert"], str):
                    if "tag" in field["insert"].keys():
                        node = VideoCardNode()
                        node.aid = get_cid_info_sync(field["insert"]["tag"]["cid"])[
                            "cid"
                        ]
                        self.__children.append(node)
                    elif "imageUpload" in field["insert"].keys():
                        node = ImageNode()
                        node.url = field["insert"]["imageUpload"]["url"]
                        self.__children.append(node)
                    elif "cut-off" in field["insert"].keys():
                        node = ImageNode()
                        node.url = field["insert"]["cut-off"]["url"]
                        self.__children.append(node)
                    elif "native-image" in field["insert"].keys():
                        node = ImageNode()
                        node.url = field["insert"]["native-image"]["url"]
                        self.__children.append(node)
                    else:
                        raise Exception()
                else:
                    node = TextNode(field["insert"])
                    if "attributes" in field.keys():
                        if field["attributes"].get("bold") == True:
                            bold = BoldNode()
                            bold.children = [node]
                            node = bold
                        if field["attributes"].get("strike") == True:
                            delete = DelNode()
                            delete.children = [node]
                            node = delete
                        if field["attributes"].get("underline") == True:
                            underline = UnderlineNode()
                            underline.children = [node]
                            node = underline
                        if field["attributes"].get("background") == True:
                            # FIXME: 暂不支持背景颜色
                            pass
                        if field["attributes"].get("color") != None:
                            color = ColorNode()
                            color.color = field["attributes"]["color"].replace("#", "")
                            color.children = [node]
                            node = color
                        if field["attributes"].get("size") != None:
                            size = FontSizeNode()
                            size.size = field["attributes"]["size"]
                            size.children = [node]
                            node = size
                    else:
                        pass
                    self.__children.append(node)

        # 文章元数据
        self.__meta = copy(resp["readInfo"])
        del self.__meta["content"]

        # 解析正文
        if self.__type != ArticleType.SPECIAL_ARTICLE:
            self.__children = await parse(document.find("div"))  # type: ignore
        else:
            s = resp["readInfo"]["content"]
            s = unescape(s)
            parse_note(json.loads(s)["ops"])

        self.__has_parsed = True

    async def get_info(self) -> dict:
        """
        获取专栏信息

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

        api = API["info"]["view"]
        params = {"id": self.__cvid}
        return (
            await Api(**api, credential=self.credential).update_params(**params).result
        )

    async def get_all(self) -> dict:
        """
        一次性获取专栏尽可能详细数据，包括原始内容、标签、发布时间、标题、相关专栏推荐等

        Returns:
            dict: 调用 API 返回的结果
        """
        return (
            await get_initial_state(f"https://www.bilibili.com/read/cv{self.__cvid}")
        )[0]

    async def set_like(self, status: bool = True) -> dict:
        """
        设置专栏点赞状态

        Args:
            status (bool, optional): 点赞状态. Defaults to True

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

        api = API["operate"]["like"]
        data = {"id": self.__cvid, "type": 1 if status else 2}
        return await Api(**api, credential=self.credential).update_data(**data).result

    async def set_favorite(self, status: bool = True) -> dict:
        """
        设置专栏收藏状态

        Args:
            status (bool, optional): 收藏状态. Defaults to True

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

        api = (
            API["operate"]["add_favorite"] if status else API["operate"]["del_favorite"]
        )

        data = {"id": self.__cvid}
        return await Api(**api, credential=self.credential).update_data(**data).result

    async def add_coins(self) -> dict:
        """
        给专栏投币，目前只能投一个

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

        upid = (await self.get_info())["mid"]
        api = API["operate"]["coin"]
        data = {"aid": self.__cvid, "multiply": 1, "upid": upid, "avtype": 2}
        return await Api(**api, credential=self.credential).update_data(**data).result

    # TODO: 专栏上传/编辑/删除


class Node:
    def __init__(self):
        pass

    @overload
    def markdown(self) -> str:  # type: ignore
        pass

    @overload
    def json(self) -> dict:  # type: ignore
        pass


class ParagraphNode(Node):
    def __init__(self):
        self.children = []
        self.align = "left"

    def markdown(self):
        content = "".join([node.markdown() for node in self.children])
        return content + "\n\n"

    def json(self):
        return {
            "type": "ParagraphNode",
            "children": list(map(lambda x: x.json(), self.children)),
        }


class HeadingNode(Node):
    def __init__(self):
        self.children = []

    def markdown(self):
        text = "".join([node.markdown() for node in self.children])
        if len(text) == 0:
            return ""
        return f"## {text}\n\n"

    def json(self):
        return {
            "type": "HeadingNode",
            "children": list(map(lambda x: x.json(), self.children)),
        }


class BlockquoteNode(Node):
    def __init__(self):
        self.children = []

    def markdown(self):
        t = "".join([node.markdown() for node in self.children])
        # 填补空白行的 > 并加上标识符
        t = "\n".join(["> " + line for line in t.split("\n")]) + "\n\n"

        return t

    def json(self):
        return {
            "type": "BlockquoteNode",
            "children": list(map(lambda x: x.json(), self.children)),
        }


class ItalicNode(Node):
    def __init__(self):
        self.children = []

    def markdown(self):
        text = "".join([node.markdown() for node in self.children])
        if len(text) == 0:
            return ""
        return f" *{text}* "

    def json(self):
        return {
            "type": "ItalicNode",
            "children": list(map(lambda x: x.json(), self.children)),
        }


class BoldNode(Node):
    def __init__(self):
        self.children = []

    def markdown(self):
        t = "".join([node.markdown() for node in self.children])
        if len(t) == 0:
            return ""
        return f" **{t.lstrip().rstrip()}** "

    def json(self):
        return {
            "type": "BoldNode",
            "children": list(map(lambda x: x.json(), self.children)),
        }


class DelNode(Node):
    def __init__(self):
        self.children = []

    def markdown(self):
        text = "".join([node.markdown() for node in self.children])
        if len(text) == 0:
            return ""
        return f" ~~{text}~~ "

    def json(self):
        return {
            "type": "DelNode",
            "children": list(map(lambda x: x.json(), self.children)),
        }


class UnderlineNode(Node):
    def __init__(self):
        self.children = []

    def markdown(self):
        text = "".join([node.markdown() for node in self.children])
        if len(text) == 0:
            return ""
        return " $\\underline{" + text + "}$ "

    def json(self):
        return {
            "type": "UnderlineNode",
            "children": list(map(lambda x: x.json(), self.children)),
        }


class UlNode(Node):
    def __init__(self):
        self.children = []

    def markdown(self):
        return "\n".join(["- " + node.markdown() for node in self.children])

    def json(self):
        return {
            "type": "UlNode",
            "children": list(map(lambda x: x.json(), self.children)),
        }


class OlNode(Node):
    def __init__(self):
        self.children = []

    def markdown(self):
        t = []
        for i, node in enumerate(self.children):
            t.append(f"{i + 1}. {node.markdown()}")
        return "\n".join(t)

    def json(self):
        return {
            "type": "OlNode",
            "children": list(map(lambda x: x.json(), self.children)),
        }


class LiNode(Node):
    def __init__(self):
        self.children = []

    def markdown(self):
        return "".join([node.markdown() for node in self.children])

    def json(self):
        return {
            "type": "LiNode",
            "children": list(map(lambda x: x.json(), self.children)),
        }


class ColorNode(Node):
    def __init__(self):
        self.color = "000000"
        self.children = []

    def markdown(self):
        return "".join([node.markdown() for node in self.children])

    def json(self):
        return {
            "type": "ColorNode",
            "color": self.color,
            "children": list(map(lambda x: x.json(), self.children)),
        }


class FontSizeNode(Node):
    def __init__(self):
        self.size = 16
        self.children = []

    def markdown(self):
        return "".join([node.markdown() for node in self.children])

    def json(self):
        return {
            "type": "FontSizeNode",
            "size": self.size,
            "children": list(map(lambda x: x.json(), self.children)),
        }


# 特殊节点，即无子节点


class TextNode(Node):
    def __init__(self, text: str):
        self.text = text

    def markdown(self):
        txt = self.text
        txt = txt.replace("\t", " ")
        txt = txt.replace(" ", "&emsp;")
        txt = txt.replace(chr(160), "&emsp;")
        special_chars = ["\\", "*", "$", "<", ">", "|"]
        for c in special_chars:
            txt = txt.replace(c, "\\" + c)
        return txt

    def json(self):
        return {"type": "TextNode", "text": self.text}


class ImageNode(Node):
    def __init__(self):
        self.url = ""
        self.alt = ""

    def markdown(self):
        if URL(self.url).scheme == "":
            self.url = "https:" + self.url
        alt = self.alt.replace("[", "\\[")
        return f"![{alt}]({self.url})\n\n"

    def json(self):
        if URL(self.url).scheme == "":
            self.url = "https:" + self.url
        return {"type": "ImageNode", "url": self.url, "alt": self.alt}


class LatexNode(Node):
    def __init__(self):
        self.code = ""

    def markdown(self):
        if "\n" in self.code:
            # 块级公式
            return f"$$\n{self.code}\n$$"
        else:
            # 行内公式
            return f"${self.code}$"

    def json(self):
        return {"type": "LatexNode", "code": self.code}


class CodeNode(Node):
    def __init__(self):
        self.code = ""
        self.lang = ""

    def markdown(self):
        return f"```{self.lang if self.lang else ''}\n{self.code}\n```\n\n"

    def json(self):
        return {"type": "CodeNode", "code": self.code, "lang": self.lang}


# 卡片


class VideoCardNode(Node):
    def __init__(self):
        self.aid = 0

    def markdown(self):
        return f"[视频 av{self.aid}](https://www.bilibili.com/av{self.aid})\n\n"

    def json(self):
        return {"type": "VideoCardNode", "aid": self.aid}


class ArticleCardNode(Node):
    def __init__(self):
        self.cvid = 0

    def markdown(self):
        return f"[文章 cv{self.cvid}](https://www.bilibili.com/read/cv{self.cvid})\n\n"

    def json(self):
        return {"type": "ArticleCardNode", "cvid": self.cvid}


class BangumiCardNode(Node):
    def __init__(self):
        self.epid = 0

    def markdown(self):
        return f"[番剧 ep{self.epid}](https://www.bilibili.com/bangumi/play/ep{self.epid})\n\n"

    def json(self):
        return {"type": "BangumiCardNode", "epid": self.epid}


class MusicCardNode(Node):
    def __init__(self):
        self.auid = 0

    def markdown(self):
        return f"[音乐 au{self.auid}](https://www.bilibili.com/audio/au{self.auid})\n\n"

    def json(self):
        return {"type": "MusicCardNode", "auid": self.auid}


class ShopCardNode(Node):
    def __init__(self):
        self.pwid = 0

    def markdown(self):
        return f"[会员购 {self.pwid}](https://show.bilibili.com/platform/detail.html?id={self.pwid})\n\n"

    def json(self):
        return {"type": "ShopCardNode", "pwid": self.pwid}


class ComicCardNode(Node):
    def __init__(self):
        self.mcid = 0

    def markdown(self):
        return (
            f"[漫画 mc{self.mcid}](https://manga.bilibili.com/m/detail/mc{self.mcid})\n\n"
        )

    def json(self):
        return {"type": "ComicCardNode", "mcid": self.mcid}


class LiveCardNode(Node):
    def __init__(self):
        self.room_id = 0

    def markdown(self):
        return f"[直播 {self.room_id}](https://live.bilibili.com/{self.room_id})\n\n"

    def json(self):
        return {"type": "LiveCardNode", "room_id": self.room_id}


class AnchorNode(Node):
    def __init__(self):
        self.url = ""
        self.text = ""

    def markdown(self):
        text = self.text.replace("[", "\\[")
        return f"[{text}]({self.url})"

    def json(self):
        return {"type": "AnchorNode", "url": self.url, "text": self.text}


class SeparatorNode(Node):
    def __init__(self):
        pass

    def markdown(self):
        return "\n------\n"

    def json(self):
        return {"type": "SeparatorNode"}