/**
 * mock TMDB 固定数据。电影/剧集 ID 取自公开 TMDB 条目以便对照,但标题/集数/日期只保证"合理",
 * 不作为真实数据的权威来源;国产综艺条目 ID(900001)为虚构。
 */
export interface TmdbFixtureEpisode {
  episode_number: number;
  air_date: string | null;
  /** 按语言的集名;请求语言没有时 mock 返回 TMDB 式占位名("第 N 集" / "Episode N") */
  names: Record<string, string>;
  /** MD-1:按语言的简介;没有时返回空串 */
  overviews?: Record<string, string>;
  runtime?: number | null;
  still_path?: string | null;
  vote_average?: number;
  vote_count?: number;
}
export interface TmdbFixtureSeason {
  season_number: number;
  air_date: string | null;
  names: Record<string, string>;
  overviews?: Record<string, string>;
  poster_path?: string | null;
  episodes: TmdbFixtureEpisode[];
}
/** MD-1 富详情字段(credits / 类型 / 评分 / 状态…);缺省不返回 */
export interface TmdbFixtureRich {
  genres?: string[];
  vote_average?: number;
  vote_count?: number;
  status?: string;
  runtime?: number;
  episode_run_time?: number[];
  last_air_date?: string;
  backdrop_path?: string;
  networks?: string[];
  tagline?: Record<string, string>;
  cast?: { id: number; name: string; character: string; profile_path: string | null }[];
  crew?: { id: number; name: string; job: string; profile_path: string | null }[];
  created_by?: { id: number; name: string; profile_path: string | null }[];
}
export interface TmdbFixture {
  type: "movie" | "tv";
  id: number;
  original_title: string;
  original_language: string;
  origin_country: string[];
  date: string;
  titles: Record<string, string>;
  overviews?: Record<string, string>;
  popularity: number;
  alternative_titles: { iso_3166_1: string; title: string; type: string }[];
  external_ids: { imdb_id?: string | null; tvdb_id?: number | null };
  /** 额外译名(titles 中的语言会自动生成 translations);title 为空串表示该语言只有简介没有译名(TMDB 常见) */
  extra_translations?: { iso_639_1: string; iso_3166_1: string; title: string; overview?: string }[];
  rich?: TmdbFixtureRich;
  seasons?: TmdbFixtureSeason[];
  /** 海报路径(拼 image.tmdb.org);缺省 null */
  poster_path?: string | null;
  /** 列表接口(trending / discover / 榜单)返回的 genre_ids;缺省空 */
  genre_ids?: number[];
  /** 剧集组(`/tv/{id}/episode_groups`、`/tv/episode_group/{id}`);组内集按 TMDB 默认季集号引用 seasons 里的集 */
  episode_groups?: TmdbFixtureEpisodeGroup[];
  /** 标志(append_to_response=images 与 `/{type}/{id}/images` 按 include_image_language 过滤);缺省没有 */
  logos?: { file_path: string; iso_639_1: string | null; vote_average?: number; vote_count?: number }[];
}

export interface TmdbFixtureEpisodeGroup {
  id: string;
  name: string;
  type: number;
  description?: string;
  network?: string | null;
  groups: { id?: string; name: string; order: number; episodes: { season_number: number; episode_number: number }[] }[];
}

function eps(n: number, start: string, zh: (i: number) => string, en: (i: number) => string): TmdbFixtureEpisode[] {
  const base = Date.parse(start);
  return Array.from({ length: n }, (_, k) => ({
    episode_number: k + 1,
    air_date: new Date(base + k * 7 * 86400_000).toISOString().slice(0, 10),
    names: { "zh-CN": zh(k + 1), "en-US": en(k + 1) },
  }));
}

export const TMDB_FIXTURES: TmdbFixture[] = [
  {
    type: "movie",
    id: 872585,
    genre_ids: [18, 36],
    original_title: "Oppenheimer",
    original_language: "en",
    origin_country: ["US"],
    date: "2023-07-19",
    titles: { "zh-CN": "奥本海默", "en-US": "Oppenheimer" },
    overviews: { "zh-CN": "原子弹之父的故事。", "en-US": "The story of J. Robert Oppenheimer." },
    popularity: 120.5,
    alternative_titles: [
      { iso_3166_1: "TW", title: "奧本海默", type: "" },
      { iso_3166_1: "CN", title: "奥本海默传", type: "" },
    ],
    external_ids: { imdb_id: "tt15398776" },
    poster_path: "/oppenheimer.jpg",
    extra_translations: [{ iso_639_1: "ja", iso_3166_1: "JP", title: "オッペンハイマー" }],
  },
  {
    type: "movie",
    id: 693134,
    genre_ids: [878, 12],
    original_title: "Dune: Part Two",
    original_language: "en",
    origin_country: ["US"],
    date: "2024-02-27",
    titles: { "zh-CN": "沙丘2", "en-US": "Dune: Part Two" },
    popularity: 210.1,
    alternative_titles: [
      { iso_3166_1: "US", title: "Dune 2", type: "" },
      { iso_3166_1: "CN", title: "沙丘:第二部", type: "" },
      { iso_3166_1: "TW", title: "沙丘：第二部", type: "" },
    ],
    external_ids: { imdb_id: "tt15239678" },
  },
  {
    type: "movie",
    id: 842675,
    genre_ids: [878, 28],
    original_title: "流浪地球2",
    original_language: "zh",
    origin_country: ["CN"],
    date: "2023-01-22",
    titles: { "zh-CN": "流浪地球2", "en-US": "The Wandering Earth II" },
    popularity: 45.3,
    alternative_titles: [
      { iso_3166_1: "US", title: "The Wandering Earth 2", type: "" },
      { iso_3166_1: "CN", title: "流浪地球 2", type: "" },
    ],
    external_ids: { imdb_id: "tt13539646" },
  },
  {
    type: "tv",
    id: 136315,
    genre_ids: [35, 18],
    original_title: "The Bear",
    original_language: "en",
    origin_country: ["US"],
    date: "2022-06-23",
    titles: { "zh-CN": "熊家餐馆", "en-US": "The Bear" },
    popularity: 88.2,
    alternative_titles: [
      { iso_3166_1: "TW", title: "大熊餐廳", type: "" },
      { iso_3166_1: "CN", title: "熊家小馆", type: "" },
    ],
    external_ids: { imdb_id: "tt14452776", tvdb_id: 401654 },
    seasons: [
      {
        season_number: 1,
        air_date: "2022-06-23",
        names: { "zh-CN": "第 1 季", "en-US": "Season 1" },
        episodes: eps(
          8,
          "2022-06-23",
          (i) => `第 ${i} 集`,
          (i) => `Episode ${i}`,
        ),
      },
      {
        season_number: 2,
        air_date: "2023-06-22",
        names: { "zh-CN": "第 2 季", "en-US": "Season 2" },
        episodes: eps(
          10,
          "2023-06-22",
          (i) => `第 ${i} 集`,
          (i) => `Episode ${i}`,
        ),
      },
      {
        season_number: 3,
        air_date: "2024-06-26",
        names: { "zh-CN": "第 3 季", "en-US": "Season 3" },
        episodes: eps(
          10,
          "2024-06-26",
          (i) => `第 ${i} 集`,
          (i) => `Episode ${i}`,
        ),
      },
    ],
  },
  {
    type: "tv",
    id: 100088,
    genre_ids: [18, 10765],
    original_title: "The Last of Us",
    original_language: "en",
    origin_country: ["US"],
    date: "2023-01-15",
    titles: { "zh-CN": "最后生还者", "en-US": "The Last of Us" },
    popularity: 150.7,
    alternative_titles: [
      { iso_3166_1: "CN", title: "最后的生还者", type: "" },
      { iso_3166_1: "TW", title: "最後生還者", type: "" },
    ],
    external_ids: { imdb_id: "tt3581920", tvdb_id: 392256 },
    seasons: [
      {
        season_number: 1,
        air_date: "2023-01-15",
        names: { "zh-CN": "第 1 季", "en-US": "Season 1" },
        episodes: eps(
          9,
          "2023-01-15",
          (i) => `第 ${i} 集`,
          (i) => `Episode ${i}`,
        ),
      },
    ],
  },
  {
    type: "tv",
    id: 900001,
    genre_ids: [10764],
    original_title: "向往的生活",
    original_language: "zh",
    origin_country: ["CN"],
    date: "2017-01-15",
    titles: { "zh-CN": "向往的生活", "en-US": "Back to Field" },
    popularity: 12.4,
    alternative_titles: [
      { iso_3166_1: "CN", title: "向往的生活 第一季", type: "" },
      { iso_3166_1: "CN", title: "向往", type: "简称" },
    ],
    external_ids: { imdb_id: null, tvdb_id: null },
    seasons: [
      {
        season_number: 0,
        air_date: "2017-01-10",
        names: { "zh-CN": "特别篇", "en-US": "Specials" },
        episodes: eps(
          2,
          "2017-01-10",
          (i) => `先导片 ${i}`,
          (i) => `Special ${i}`,
        ),
      },
      {
        season_number: 1,
        air_date: "2017-01-15",
        names: { "zh-CN": "第 1 季", "en-US": "Season 1" },
        episodes: eps(
          12,
          "2017-01-15",
          (i) => `第 ${i} 期`,
          (i) => `Episode ${i}`,
        ),
      },
      {
        season_number: 2,
        air_date: "2018-04-20",
        names: { "zh-CN": "第 2 季", "en-US": "Season 2" },
        episodes: eps(
          3,
          "2018-04-20",
          (i) => `第 ${i} 期`,
          (i) => `Episode ${i}`,
        ),
      },
    ],
  },
  // MD-1 语言回退链:zh-CN 译名为空(只有简介)、CN 地区别名是简中名、zh-TW / zh-HK 有译名(对照 TMDB tv/95396 真实形态)
  {
    type: "tv",
    id: 95396,
    genre_ids: [18, 9648],
    original_title: "Severance",
    original_language: "en",
    origin_country: ["US"],
    date: "2022-02-17",
    titles: { "en-US": "Severance", "zh-TW": "人生切割術", "zh-HK": "生活割離術" },
    overviews: { "en-US": "Mark leads a team of office workers.", "zh-TW": "馬克帶領的辦公團隊成員全都接受手術。" },
    popularity: 95.1,
    alternative_titles: [
      { iso_3166_1: "CN", title: "人生切割术", type: "" },
      { iso_3166_1: "HK", title: "生活割離術", type: "" },
    ],
    external_ids: { imdb_id: "tt11280740", tvdb_id: 371980 },
    extra_translations: [
      { iso_639_1: "zh", iso_3166_1: "CN", title: "", overview: "故事发生在一家名为卢蒙的超级大公司内。" },
      { iso_639_1: "zh", iso_3166_1: "SG", title: "", overview: "马克领导着一个办公室里的团队。" },
    ],
    poster_path: "/severance.jpg",
    rich: {
      genres: ["剧情", "悬疑", "Sci-Fi & Fantasy"],
      vote_average: 8.395,
      vote_count: 2400,
      status: "Returning Series",
      episode_run_time: [],
      last_air_date: "2025-03-21",
      backdrop_path: "/severance-bg.jpg",
      networks: ["Apple TV"],
      cast: [
        { id: 4495, name: "亚当·斯科特", character: "Mark Scout", profile_path: "/adam.jpg" },
        { id: 1319469, name: "布丽特·洛薇尔", character: "Helly Riggs", profile_path: null },
      ],
      created_by: [{ id: 3442409, name: "丹·埃里克森", profile_path: "/dan.jpg" }],
    },
    seasons: [
      {
        season_number: 1,
        air_date: "2022-02-17",
        names: { "zh-CN": "第 1 季", "en-US": "Season 1" },
        overviews: { "zh-CN": "在卢蒙工业公司，员工们接受了一种名为“分离”的手术。" },
        poster_path: "/sev-s1.jpg",
        episodes: [
          {
            episode_number: 1,
            air_date: "2022-02-17",
            names: { "zh-CN": "有关地狱的好消息", "en-US": "Good News About Hell" },
            overviews: { "zh-CN": "马克升职成为部门主管。", "en-US": "Mark is promoted." },
            runtime: 59,
            still_path: "/sev-101.jpg",
            vote_average: 8.2,
            vote_count: 171,
          },
          {
            episode_number: 2,
            air_date: "2022-02-17",
            names: { "zh-TW": "半循環", "en-US": "Half Loop" },
            overviews: { "zh-TW": "馬克帶領新員工參觀。", "en-US": "Mark gives Helly a tour." },
            runtime: 53,
            still_path: "/sev-102.jpg",
            vote_average: 8.0,
            vote_count: 150,
          },
          {
            episode_number: 3,
            air_date: "2022-02-25",
            names: { "en-US": "In Perpetuity" },
            overviews: {},
            runtime: 52,
            still_path: null,
          },
        ],
      },
      {
        season_number: 2,
        air_date: "2099-01-17",
        names: { "zh-CN": "第 2 季", "en-US": "Season 2" },
        episodes: [{ episode_number: 1, air_date: "2099-01-17", names: {} }],
      },
    ],
  },
];

/**
 * MD-2:《心动的信号》(TMDB tv/103147 的真实形态):作品与每期标题有 zh-CN,简介只有 en-US(实为标题英译)。
 * 不在 TMDB_FIXTURES 里,用到的测试自行拼进 fixtures。
 */
export const HEART_SIGNAL_FIXTURE: TmdbFixture = {
  type: "tv",
  id: 103147,
  original_title: "心动的信号",
  original_language: "zh",
  origin_country: ["CN"],
  date: "2018-08-01",
  titles: { "zh-CN": "心动的信号", "en-US": "Heart Signal" },
  overviews: { "en-US": "A Chinese dating reality show." },
  popularity: 6.2,
  alternative_titles: [],
  external_ids: { imdb_id: null, tvdb_id: null },
  rich: { genres: ["真人秀"], status: "Returning Series" },
  seasons: [
    {
      season_number: 1,
      air_date: "2018-08-01",
      names: { "zh-CN": "第 1 季", "en-US": "Season 1" },
      episodes: [
        {
          episode_number: 1,
          air_date: "2018-08-01",
          names: { "zh-CN": "心动不如行动，大胆亮出底牌！", "en-US": "Episode 1" },
          overviews: { "en-US": "If Your Heart Skips a Beat, Play Your Cards Openly!" },
        },
        {
          episode_number: 2,
          air_date: "2018-08-08",
          names: { "zh-CN": "第 2 集", "en-US": "Who Is the One?" },
          overviews: { "en-US": "Who Is the One?" },
        },
        {
          episode_number: 3,
          air_date: "2018-08-15",
          names: { "zh-CN": "约会之夜", "en-US": "Date Night" },
          overviews: { "zh-TW": "約會之夜。", "en-US": "Date Night." },
        },
      ],
    },
  ],
};

/**
 * 两个 cour 被 TMDB 默认季合成一季的番剧(剧集组测试用):默认 S1 共 25 集(含季 0 特别篇 1 集);
 * 剧集组「制作季」把它拆成 S1(1–12)、S2(13–25),不含特别篇;剧集组「播出顺序」把全部 25 集放在一季。
 * 不在 TMDB_FIXTURES 里,用到的测试自行拼进 fixtures。
 */
export const SPLIT_COUR_FIXTURE: TmdbFixture = {
  type: "tv",
  id: 990001,
  original_title: "Split Cour",
  original_language: "ja",
  origin_country: ["JP"],
  date: "2024-01-07",
  titles: { "zh-CN": "分割番", "en-US": "Split Cour" },
  overviews: { "zh-CN": "两个 cour 的番剧。" },
  popularity: 30,
  alternative_titles: [],
  external_ids: { imdb_id: null, tvdb_id: null },
  rich: { genres: ["动画"], status: "Ended" },
  poster_path: "/split.jpg",
  seasons: [
    {
      season_number: 0,
      air_date: "2024-12-25",
      names: { "zh-CN": "特别篇", "en-US": "Specials" },
      episodes: [{ episode_number: 1, air_date: "2024-12-25", names: { "zh-CN": "圣诞特别篇", "en-US": "Xmas" } }],
    },
    {
      season_number: 1,
      air_date: "2024-01-07",
      names: { "zh-CN": "第 1 季", "en-US": "Season 1" },
      poster_path: "/split-s1.jpg",
      episodes: [
        ...eps(
          12,
          "2024-01-07",
          (i) => `上篇第${i}话`,
          (i) => `Part1 Ep${i}`,
        ),
        ...eps(
          13,
          "2024-07-07",
          (i) => `下篇第${i}话`,
          (i) => `Part2 Ep${i}`,
        ).map((e, k) => ({
          ...e,
          episode_number: 13 + k,
        })),
      ],
    },
  ],
  episode_groups: [
    {
      id: "grp-production",
      name: "制作季",
      type: 6,
      network: "TOKYO MX",
      groups: [
        {
          id: "g1",
          name: "第一部",
          order: 1,
          episodes: Array.from({ length: 12 }, (_, k) => ({ season_number: 1, episode_number: k + 1 })),
        },
        {
          id: "g2",
          name: "第二部",
          order: 2,
          episodes: Array.from({ length: 13 }, (_, k) => ({ season_number: 1, episode_number: 13 + k })),
        },
      ],
    },
    {
      id: "grp-aired",
      name: "播出顺序",
      type: 1,
      groups: [
        {
          id: "a1",
          name: "全集",
          order: 1,
          episodes: Array.from({ length: 25 }, (_, k) => ({ season_number: 1, episode_number: k + 1 })),
        },
      ],
    },
  ],
};