import { createMockMteamApi, type MockMteamApi } from "@umt/testkit";
import { afterEach, describe, expect, it } from "vitest";
import {
  createMteamAdapter,
  createSiteRateLimiter,
  getDownloadVolumeFactor,
  mteamDefinition,
  type SiteAdapter,
  SiteError,
  type SiteRateLimiter,
  staticSecretResolver,
} from "../index.ts";

let api: MockMteamApi | undefined;
afterEach(async () => {
  await api?.close();
  api = undefined;
});

function adapterFor(m: MockMteamApi, key: string | null = m.apiKey, limiter?: SiteRateLimiter): SiteAdapter {
  return createMteamAdapter(mteamDefinition, {
    baseUrl: m.baseUrl,
    secrets: staticSecretResolver(key ? { mteam: { apiKey: key } } : {}),
    limiter: limiter ?? createSiteRateLimiter({ minIntervalMs: 0 }),
  });
}

async function expectSiteError(p: Promise<unknown>, kind: string): Promise<SiteError> {
  try {
    await p;
  } catch (e) {
    expect(e).toBeInstanceOf(SiteError);
    expect((e as SiteError).kind).toBe(kind);
    return e as SiteError;
  }
  throw new Error(`expected SiteError ${kind}`);
}

describe("M-Team API 适配器(mock)", () => {
  it("列表:x-api-key 头 + 搜索体,映射 MV1 字段,结果不含 API Key", async () => {
    api = await createMockMteamApi();
    const page = await adapterFor(api).list(1);
    const req = api.requests[0]!;
    expect(req.path).toBe("/api/torrent/search");
    expect(req.headers["x-api-key"]).toBe(api.apiKey);
    expect(api.lastSearchBody).toEqual({ keyword: null, categories: [], pageNumber: 1, pageSize: 100, visible: 1 });
    expect(page).toMatchObject({ page: 1, totalPages: 1, totalPagesEstimated: false });
    const shogun = page.items.find((i) => i.siteReleaseId === "912233")!;
    expect(shogun).toMatchObject({
      siteId: "mteam",
      title: "Shogun.2024.S01.2160p.DSNP.WEB-DL.DDP5.1.Atmos.DV.HDR.H.265-FLUX",
      subtitle: "幕府将军 第一季 全10集 杜比视界",
      category: { id: "402", name: "剧集" },
      raw: expect.objectContaining({ category: "电视剧", category_id: "402" }),
      sizeBytes: 61234567890,
      seeders: 532,
      leechers: 4,
      snatched: 2011,
      promotion: { type: "50%", downloadFactor: 0.5, uploadFactor: 1, expiresAt: "2026-09-28T00:15:00.000Z" },
      hr: "unknown",
      uploadedAt: "2026-09-20T00:15:00.000Z",
      detailUrl: "https://tp.m-team.cc/detail/912233",
      imdbId: "tt2788316",
      tags: ["中字", "DV"],
    });
    expect(shogun.downloadUrl).toBeUndefined();
    expect(JSON.stringify(page)).not.toContain(api.apiKey);
  });

  it("促销优先级:商城单种免费 > 全站促销 > 基础折扣;2x 免费;标签位图", async () => {
    api = await createMockMteamApi();
    const { items } = await adapterFor(api).list(1);
    const by = Object.fromEntries(items.map((i) => [i.siteReleaseId, i]));
    expect(by["912234"]!.promotion).toEqual({
      type: "free",
      downloadFactor: 0,
      uploadFactor: 1,
      expiresAt: "2026-09-27T12:00:00.000Z",
    });
    expect(by["912234"]!.tags).toEqual(["国配", "中字"]);
    expect(by["912235"]!.promotion).toMatchObject({
      type: "free",
      downloadFactor: 0,
      expiresAt: "2026-10-07T15:59:59.000Z",
    });
    expect(by["912236"]!.promotion).toMatchObject({ type: "2xfree", downloadFactor: 0, uploadFactor: 2 });
    expect(by["912237"]!.promotion).toEqual({ type: "none", downloadFactor: 1, uploadFactor: 1, expiresAt: null });
    // MP __get_downloadvolumefactor:未知折扣代码按 1 处理
    expect(getDownloadVolumeFactor("SOMETHING_NEW")).toBe(1);
  });

  it("分类原始 ID 保留(404 纪录 / 405 动画 / 407 体育)", async () => {
    api = await createMockMteamApi();
    const { items } = await adapterFor(api).list(1);
    const cats = Object.fromEntries(items.map((i) => [i.siteReleaseId, i.category]));
    expect(cats["912235"]).toEqual({ id: "405", name: "动画" });
    expect(cats["912236"]).toEqual({ id: "404", name: "纪录" });
    expect(cats["912237"]).toEqual({ id: "407", name: "体育" });
  });

  it("搜索:IMDb 关键词改写为完整 URL;分类与免费筛选下推", async () => {
    api = await createMockMteamApi();
    const a = adapterFor(api);
    const r = await a.search("tt15398776");
    expect(api.lastSearchBody!.keyword).toBe("https://www.imdb.com/title/tt15398776");
    expect(r.items.map((i) => i.siteReleaseId)).toEqual(["912234"]);
    const free = await a.search("", { freeOnly: true, categoryIds: ["404", "405"] });
    expect(api.lastSearchBody).toMatchObject({ keyword: null, categories: ["404", "405"] });
    const tv = await a.search("Shogun", { mtype: "tv" });
    expect(api.lastSearchBody!.categories).toEqual(["403", "402", "435", "438", "404", "405"]);
    expect(tv.items.map((i) => i.siteReleaseId)).toEqual(["912233"]);
    // 912235 基础 NORMAL 但全站促销 FREE → 下载系数 0
    expect(free.items.map((i) => i.siteReleaseId)).toEqual(["912235", "912236"]);
    const kw = await a.search("芙莉莲");
    expect(kw.items.map((i) => i.siteReleaseId)).toEqual(["912235"]);
  });

  it("详情:表单 id,带简介;不存在 → not_found", async () => {
    api = await createMockMteamApi();
    const a = adapterFor(api);
    const d = await a.detail("912233");
    expect(api.requests[0]!.body).toBe("id=912233");
    expect(d.descriptionText).toContain("幕府将军");
    expect(d.imdbId).toBe("tt2788316");
    const byUrl = await a.detail("https://tp.m-team.cc/detail/912233");
    expect(byUrl.siteReleaseId).toBe("912233");
    await expectSiteError(a.detail("1"), "not_found");
  });

  it("下载令牌:现场 genDlToken → 一次性直链 → .torrent,infohash 校验", async () => {
    api = await createMockMteamApi();
    const a = adapterFor(api);
    const t = await a.downloadTarget("912233");
    expect(api.issuedTokens).toBe(1);
    expect(api.requests.map((r) => r.path.split("?")[0])).toEqual(["/api/torrent/genDlToken", "/api/rss/dlv2"]);
    // MP:genDlToken 的 id 走 query 参数;直链下载不带 x-api-key
    expect(api.requests[0]!.path).toBe("/api/torrent/genDlToken?id=912233");
    expect(api.requests[1]!.headers["x-api-key"]).toBeUndefined();
    expect(t.kind).toBe("torrent");
    if (t.kind === "torrent") expect(t.infoHash).toBe(api.infoHashOf("912233"));
    // 每次下载都重新签发令牌
    await a.downloadTarget("912233");
    expect(api.issuedTokens).toBe(2);
    api.setFailMode("no_dl_token");
    await expectSiteError(a.downloadTarget("912233"), "rate_limited");
  });

  it("Key 失效/停用 → auth_invalid(停止重试),健康检查报告;缺 Key → auth_missing", async () => {
    api = await createMockMteamApi();
    const wrong = await expectSiteError(adapterFor(api, "wrong-key").list(1), "auth_invalid");
    expect(wrong.isAuthError).toBe(true);
    api.setFailMode("banned_key");
    const banned = await expectSiteError(adapterFor(api).search("x"), "auth_invalid");
    expect(banned.message).not.toContain(api.apiKey);
    expect(await adapterFor(api).healthCheck()).toMatchObject({ ok: false, status: "auth_invalid" });
    api.setFailMode(null);
    expect((await adapterFor(api).healthCheck()).status).toBe("ok");
    const before = api.requests.length;
    await expectSiteError(adapterFor(api, null).list(1), "auth_missing");
    expect(api.requests.length).toBe(before);
  });

  it("非 JSON 维护页 → site_maintenance;业务限流/HTTP 429 → rate_limited 并顺延限流器", async () => {
    api = await createMockMteamApi();
    const limiter = createSiteRateLimiter({ minIntervalMs: 0 });
    const a = adapterFor(api, api.apiKey, limiter);
    api.setFailMode("non_json");
    await expectSiteError(a.list(1), "site_maintenance");
    api.setFailMode("rate_limit");
    await expectSiteError(a.list(1), "rate_limited");
    api.setFailMode("http_429");
    const e = await expectSiteError(a.list(1), "rate_limited");
    expect(e.retryAfterMs).toBe(5000);
    expect(limiter.tryAcquire()).toBe(false);
  });

  it("站点级限流 1s:列表/搜索/详情/下载共享", async () => {
    api = await createMockMteamApi();
    let clock = 0;
    const sleeps: number[] = [];
    const limiter = createSiteRateLimiter({
      minIntervalMs: mteamDefinition.umt.rateLimit.minIntervalMs,
      now: () => clock,
      sleep: async (ms) => {
        sleeps.push(ms);
        clock += ms;
      },
    });
    const a = adapterFor(api, api.apiKey, limiter);
    await a.list(1);
    await a.search("Shogun");
    await a.detail("912233");
    await a.downloadTarget("912233"); // genDlToken + GET 直链 = 2 次
    expect(sleeps).toEqual([1000, 1000, 1000, 1000]);
  });
});