import {
  REAL_DETAIL_HH_DV_ONLY,
  REAL_DETAIL_HH_INFO_CARD,
  REAL_RSS_DESCR_AWARDS,
  REAL_RSS_DESCR_CAST,
  REAL_RSS_DESCR_INFO_BLOCK,
  REAL_RSS_DESCR_PLAIN,
  SYNTH_BDINFO_FULL,
  SYNTH_BDINFO_QUICK,
  SYNTH_DESCR_BRACKETS,
  SYNTH_FILES_BDMV,
  SYNTH_FILES_DIRECTORY,
  SYNTH_MEDIAINFO_MULTI_TRACK,
} from "@umt/testkit";
import { describe, expect, it } from "vitest";
import {
  cleanDescription,
  DEFAULT_DESCRIPTION_RULES,
  stripMarkup,
  structureDescription,
} from "./detail-description.ts";
import { formatDetailPage } from "./detail-format.ts";
import { buildFileTree } from "./file-tree.ts";
import { parseMediaSummary } from "./mediainfo.ts";

const info = (text: string | null) =>
  Object.fromEntries(structureDescription(text).infoBlock.map((x) => [x.key, x.value]));

describe("简介结构化:真实缓存样本", () => {
  it("憨憨豆瓣信息块:「片名:」换行取值,卡片摘要与更新提示去掉,主演拆开", () => {
    const d = structureDescription(REAL_DETAIL_HH_INFO_CARD.descriptionText);
    expect(Object.fromEntries(d.infoBlock.map((x) => [x.key, x.value]))).toMatchObject({
      片名: "一瓯春",
      年代: "2026",
      片长: "45分钟",
      类别: "爱情,古装",
      导演: "潘安子 Anzi Pan",
      编剧: "尤四姐",
      主演: "许凯 Kai Xu / 周也 Ye Zhou / 白澍 Shu Bai",
    });
    // 空值键(别名 / 标语)不出现
    expect(d.infoBlock.map((x) => x.key)).not.toContain("别名");
    expect(d.infoBlock.map((x) => x.key)).not.toContain("标语");
    expect(d.paragraphs).toHaveLength(2);
    expect(d.paragraphs[0]).toMatch(/^“杀伐千面腹黑男”/);
    expect(d.paragraphs.join("\n")).not.toMatch(/该信息最后更新于|更新信息|^-{5,}|\(11053\)/m);
  });

  it("◎ 信息块 + ◎简介:链接键去掉,简介进段落", () => {
    const d = structureDescription(REAL_RSS_DESCR_INFO_BLOCK);
    expect(d.infoBlock.map((x) => x.key)).toEqual([
      "译名",
      "片名",
      "年代",
      "产地",
      "类别",
      "语言",
      "上映日期",
      "集数",
      "片长",
      "主演",
    ]);
    expect(info(REAL_RSS_DESCR_INFO_BLOCK).译名).toBe("Stay Low Profile, Sect Chief / 掌门低调点 3D动画版");
    expect(d.paragraphs).toHaveLength(1);
    expect(d.paragraphs[0]).toMatch(/^大雪覆门/);
    expect(JSON.stringify(d)).not.toMatch(/<|&nbsp;|douban\.com/);
  });

  it("主演多行续行合并;◎获奖情况进信息块;站点截断的半个标签去掉", () => {
    const i = info(REAL_RSS_DESCR_AWARDS);
    expect(i.主演).toBe(
      "张维为 Weiwei Zhang / 亚历山大·杜金 Alexander Dugin / 李世默 Eric Li / 范勇鹏 Yongpeng Fan / 余亮 Liang Yu",
    );
    expect(i.获奖情况).toBe("第28届上海电视节白玉兰奖 (2023) / 综艺节目 最佳电视综艺节目(提名)…");
    const d = structureDescription(REAL_RSS_DESCR_AWARDS);
    expect(d.paragraphs).toHaveLength(2);
    expect(d.paragraphs[1]).toMatch(/^《这就是中国》/);
  });

  it("豆瓣评分 / 导演 / 编剧,长主演列表", () => {
    const i = info(REAL_RSS_DESCR_CAST);
    expect(i).toMatchObject({ 豆瓣评分: "5.4/10 from 11075 users", 导演: "潘安子 Anzi Pan", 编剧: "尤四姐" });
    expect(i.主演!.split(" / ")).toHaveLength(16);
    expect(structureDescription(REAL_RSS_DESCR_CAST).paragraphs).toEqual([]);
  });

  it("没有信息块:整段是正文,海报图去掉", () => {
    const d = structureDescription(REAL_RSS_DESCR_PLAIN);
    expect(d.infoBlock).toEqual([]);
    expect(d.paragraphs).toHaveLength(1);
    expect(d.paragraphs[0]).toMatch(/^21岁的玉雕师方雾/);
  });

  it("只有 MediaInfo 的详情页:信息块和段落都为空", () => {
    expect(structureDescription(REAL_DETAIL_HH_DV_ONLY.descriptionText)).toEqual({ infoBlock: [], paragraphs: [] });
  });
});

describe("简介清洗:【】『』、BBCode / HTML 残留、广告签名", () => {
  const d = structureDescription(SYNTH_DESCR_BRACKETS);

  it("【】『』键认得,正文里的「【第一版】」不当键", () => {
    expect(Object.fromEntries(d.infoBlock.map((x) => [x.key, x.value]))).toMatchObject({
      译名: "示例电影 / Example Movie",
      字幕: "中英双语",
      IMDb评分: "8.1/10 from 12,345 users",
      导演: "某导演 Some Director",
      主演: "演员甲 Actor A / 演员乙 Actor B",
    });
    expect(d.infoBlock.map((x) => x.key)).not.toContain("IMDb链接");
    expect(structureDescription("◎简　　介\n\n　　【第一版】仙界至暗，众生皆材。").paragraphs).toEqual([
      "【第一版】仙界至暗，众生皆材。",
    ]);
  });

  it("段落:标记、实体、多余空行、转载声明 / 群号 / 感谢签名 / 分隔线都去掉", () => {
    expect(d.paragraphs).toEqual([
      "一位科学家在沙漠深处发现了改变世界的秘密。<他必须>在时间耗尽前做出选择。",
      "影片获得多项提名,查看获奖名单。",
    ]);
    const cleaned = cleanDescription(SYNTH_DESCR_BRACKETS);
    expect(cleaned).not.toMatch(/\[\/?\w+|<\/?\w+|&nbsp;|QQ群|转载|感谢|\n{3,}|-{5,}/);
  });

  it("规则可配置:追加整行规则", () => {
    const rules = { ...DEFAULT_DESCRIPTION_RULES, dropLines: [...DEFAULT_DESCRIPTION_RULES.dropLines, /^影片获得/] };
    expect(structureDescription(SYNTH_DESCR_BRACKETS, rules).paragraphs).toHaveLength(1);
  });

  it("英文硬换行接回一段", () => {
    expect(
      structureDescription("A scientist discovers a secret\nthat changes the world.\n\nSecond one.").paragraphs,
    ).toEqual(["A scientist discovers a secret that changes the world.", "Second one."]);
  });

  it("stripMarkup:实体与数字引用", () => {
    expect(stripMarkup("a&amp;b&#65;&#x42;&nbsp;<b>c</b>[b]d[/b]")).toBe("a&bAB cd");
  });
});

describe("MediaInfo / BDInfo 概要", () => {
  it("真实样本:中文摘要头 + General / Video / Audio", () => {
    expect(parseMediaSummary(REAL_DETAIL_HH_INFO_CARD.mediaInfo)).toEqual({
      kind: "mediainfo",
      general: {
        fileName: "Spring.of.the.Blade.S01E18.2026.2160p.YK.WEB-DL.H.265.HFR.HQ.AAC2.0-HHWEB.mkv",
        container: "Matroska",
        duration: "43 min 55 s",
        overallBitrate: "15.6 Mb/s",
        size: "4.79 GiB",
      },
      video: [
        {
          codec: "HEVC",
          resolution: "3840×1608",
          frameRate: "60 fps",
          bitrate: "15.3 Mb/s",
          bitDepth: "10 bit",
          hdr: [],
        },
      ],
      audio: [
        {
          language: "中文",
          codec: "AAC",
          channels: "2.0",
          bitrate: "256 kb/s",
          title: "中文 [AAC 2.0]",
          isDefault: true,
        },
      ],
      subtitles: [],
    });
  });

  it("真实样本:杜比视界 Profile 5", () => {
    const m = parseMediaSummary(REAL_DETAIL_HH_DV_ONLY.mediaInfo)!;
    expect(m.video[0]).toMatchObject({ hdr: ["Dolby Vision P5"], frameRate: "25 fps" });
  });

  it("多音轨多字幕:编码短名、声道、默认 / 强制、语言译名", () => {
    const m = parseMediaSummary(SYNTH_MEDIAINFO_MULTI_TRACK)!;
    expect(m.video[0]).toMatchObject({
      resolution: "3840×2160",
      frameRate: "23.976 fps",
      hdr: ["Dolby Vision P7.6", "HDR10"],
    });
    expect(m.audio.map((a) => [a.language, a.codec, a.channels, a.bitrate, a.isDefault])).toEqual([
      ["英语", "TrueHD Atmos", "7.1", "4561 kb/s", true],
      ["中文", "AC-3", "5.1", "640 kb/s", false],
      ["英语", "AAC", "2.0", "192 kb/s", false],
    ]);
    expect(m.subtitles.map((s) => [s.language, s.format, s.isDefault, s.forced])).toEqual([
      ["英语", "PGS", false, true],
      ["中文", "UTF-8", true, false],
      ["繁体中文", "ASS", false, false],
      ["英语", "PGS", false, false],
    ]);
  });

  it("BDInfo 简版", () => {
    const m = parseMediaSummary(SYNTH_BDINFO_QUICK)!;
    expect(m.kind).toBe("bdinfo");
    expect(m.general).toMatchObject({
      container: "Blu-ray",
      duration: "2 h 22 min",
      size: "57.57 GiB",
      overallBitrate: "55.20 Mbps",
    });
    expect(m.video.map((v) => [v.resolution, v.hdr])).toEqual([
      ["2160p", ["HDR10"]],
      ["1080p", ["Dolby Vision FEL"]],
    ]);
    expect(m.audio[0]).toMatchObject({
      language: "英语",
      codec: "TrueHD Atmos",
      channels: "7.1",
      bitrate: "4561 kbps",
    });
    expect(m.subtitles.map((s) => s.language)).toEqual(["英语", "中文", "中文"]);
  });

  it("BDInfo 完整报告表格", () => {
    const m = parseMediaSummary(SYNTH_BDINFO_FULL)!;
    expect(m.general.duration).toBe("52 min 10 s");
    expect(m.video).toEqual([
      {
        codec: "MPEG-4 AVC",
        resolution: "1080p",
        frameRate: "23.976 fps",
        bitrate: "31456 kbps",
        bitDepth: null,
        hdr: [],
      },
    ]);
    expect(m.audio.map((a) => [a.language, a.codec, a.channels])).toEqual([
      ["日语", "DTS-HD MA", "5.1"],
      ["日语", "LPCM", "2.0"],
    ]);
    expect(m.subtitles).toHaveLength(2);
  });

  it("认不出返回 null", () => {
    expect(parseMediaSummary("just some text")).toBeNull();
    expect(parseMediaSummary(null)).toBeNull();
  });
});

describe("文件清单 → 目录树", () => {
  it("真实样本:8 集平铺,全是主视频", () => {
    const t = buildFileTree(REAL_DETAIL_HH_INFO_CARD.files);
    expect(t).toHaveLength(REAL_DETAIL_HH_INFO_CARD.files.length);
    expect(t.every((r) => !r.dir && r.depth === 0 && r.role === "main")).toBe(true);
  });

  it("目录型:目录在前、大小求和,主视频 / sample / 字幕 / 附件", () => {
    const t = buildFileTree(SYNTH_FILES_DIRECTORY);
    expect(t[0]).toMatchObject({ dir: true, depth: 0, fileCount: 6, sizeBytes: 15_085_574_144 });
    const role = (name: string) => t.find((r) => r.name === name)?.role;
    expect(role("Example.Movie.2023.1080p.BluRay.x264-GROUP.mkv")).toBe("main");
    expect(role("example.movie.sample.mkv")).toBe("sample");
    expect(role("Example.Movie.2023.chs.srt")).toBe("subtitle");
    expect(role("poster.jpg")).toBe("extra");
    expect(t.map((r) => `${"  ".repeat(r.depth)}${r.name}`).slice(0, 4)).toEqual([
      "Example.Movie.2023.1080p.BluRay.x264-GROUP",
      "  Sample",
      "    example.movie.sample.mkv",
      "  Subs",
    ]);
  });

  it("原盘:最大的 m2ts 是正片,小片段不是", () => {
    const t = buildFileTree(SYNTH_FILES_BDMV);
    expect(t.find((r) => r.name === "00001.m2ts")?.role).toBe("main");
    expect(t.find((r) => r.name === "00002.m2ts")?.role).toBe("video");
  });
});

describe("formatDetailPage", () => {
  it("组合四部分", () => {
    const f = formatDetailPage(REAL_DETAIL_HH_INFO_CARD);
    expect(f.infoBlock.length).toBeGreaterThan(5);
    expect(f.paragraphs).toHaveLength(2);
    expect(f.media?.kind).toBe("mediainfo");
    expect(f.fileTree).toHaveLength(8);
  });
});