import { createTmdbClient } from "@umt/adapters";
import { type DB, type Kysely, migrateToLatest, sql } from "@umt/db";
import { normalizeTitle } from "@umt/domain";
import {
  AUDIENCES_FIXTURE_RELEASES,
  createMockNexusPhpSite,
  createMockTmdb,
  type MockNexusPhpSite,
  type MockTmdb,
} from "@umt/testkit";
import { Kysely as K, PostgresDialect } from "kysely";
import pg from "pg";
import { afterAll, beforeAll, describe, expect, it } from "vitest";
import { createOutboxPort } from "../../src/context.ts";
import { createApp } from "../../src/http/app.ts";
import { EventBus } from "../../src/http/sse.ts";
import { createAcquisitionOrganizeModule } from "../../src/modules/acquisition-organize/index.ts";
import { createAgentModule } from "../../src/modules/agent/index.ts";
import { createSearchModule } from "../../src/modules/search/index.ts";
import { searchTerms } from "../../src/modules/search/works.ts";
import { createSourcesIdentityModule } from "../../src/modules/sources-identity/index.ts";
import type { ServerContext } from "../../src/modules/types.ts";
import { DEV_KEY, memoryLogger } from "../helpers.ts";
import { fakeEngine, fakeSecrets, PG_URL, pgAvailable, plainSettings } from "../sources-identity/harness.ts";

// SEARCH-2 两阶段搜索:第一阶段只查作品(本地 + TMDB 合并去重)与库存对比,不碰站点;
// 第二阶段按作品显式搜资源(服务端生成查询词,站点按默认 / 全部 / 指定);仅 TMDB 作品的详情端点。

const up = await pgAvailable();

// biome-ignore lint/suspicious/noExplicitAny: 测试断言直接读 JSON
type Loose = any;

describe("searchTerms", () => {
  it("电影:原名带年份 + 译名;同名只留一个;剧集不带年份", () => {
    expect(searchTerms({ title: "星际穿越", originalTitle: "Interstellar", year: 2014, movie: true })).toEqual([
      "Interstellar 2014",
      "星际穿越",
    ]);
    expect(searchTerms({ title: "流浪地球2", originalTitle: "流浪地球2", year: 2023, movie: true })).toEqual([
      "流浪地球2",
    ]);
    expect(searchTerms({ title: "熊家餐馆", originalTitle: "The Bear", year: 2022, movie: false })).toEqual([
      "The Bear",
      "熊家餐馆",
    ]);
    expect(searchTerms({ title: "Oppenheimer", originalTitle: null, year: 2023, movie: true })).toEqual([
      "Oppenheimer 2023",
    ]);
  });
});

describe.skipIf(!up)("两阶段搜索(SEARCH-2)", () => {
  let db: Kysely<DB>;
  let admin: K<unknown>;
  let schema: string;
  let a: MockNexusPhpSite;
  let b: MockNexusPhpSite;
  let tmdb: MockTmdb;
  let app: ReturnType<typeof createApp>;
  const sites = { a: "", b: "", c: "" };
  let dune = "";
  const engine = fakeEngine();

  const req = async (path: string, init: { method?: string; body?: unknown } = {}) => {
    const res = await app.request(`/api/v1${path}`, {
      method: init.method ?? (init.body !== undefined ? "POST" : "GET"),
      headers: {
        authorization: `Bearer ${DEV_KEY}`,
        ...(init.body !== undefined ? { "content-type": "application/json" } : {}),
      },
      ...(init.body !== undefined ? { body: JSON.stringify(init.body) } : {}),
    });
    return { status: res.status, body: (await res.json()) as Loose };
  };
  const searches = (m: MockNexusPhpSite) => m.requests.filter((r) => r.path.includes("search=")).map((r) => r.path);
  const counts = () => [searches(a).length, searches(b).length];

  beforeAll(async () => {
    const release = {
      id: "700001",
      title: "Dune.Part.Two.2024.2160p.UHD.BluRay.REMUX.HDR.HEVC.Atmos-GRP",
      subtitle: "沙丘2",
      catId: "401",
      catName: "电影",
      sizeText: "70.00 GB",
      seeders: "50",
      leechers: "1",
      snatched: "10",
      uploadedAt: "2026-09-20 10:00:00",
    };
    a = await createMockNexusPhpSite({ releases: [...AUDIENCES_FIXTURE_RELEASES, release] });
    b = await createMockNexusPhpSite({ releases: [{ ...release, id: "800001" }] });
    tmdb = await createMockTmdb();

    schema = `search2_${process.pid.toString(36)}${Math.random().toString(36).slice(2, 7)}`;
    admin = new K<unknown>({
      dialect: new PostgresDialect({ pool: new pg.Pool({ connectionString: PG_URL, max: 1 }) }),
    });
    await sql.raw(`create schema ${schema}`).execute(admin);
    db = new K<DB>({
      dialect: new PostgresDialect({
        pool: new pg.Pool({ connectionString: PG_URL, max: 8, options: `-c search_path=${schema},public` }),
      }),
    }) as unknown as Kysely<DB>;
    await migrateToLatest(db, { migrationTableSchema: schema });

    const { logger } = memoryLogger();
    const secrets = fakeSecrets(() => db);
    const ctx = {
      role: "all",
      db,
      config: { NODE_ENV: "development", DEV_ADMIN_KEY: DEV_KEY } as never,
      logger,
      events: new EventBus(5),
      engine,
      outbox: createOutboxPort(),
      secrets,
      settings: plainSettings(() => db),
      capabilities: {} as never,
    } as ServerContext;
    const sources = createSourcesIdentityModule({
      tmdb: () => createTmdbClient({ apiKey: "test-tmdb-key", baseUrl: `${tmdb.url}/3`, retries: 0 }),
    });
    app = createApp({
      config: { NODE_ENV: "development", DEV_ADMIN_KEY: DEV_KEY },
      logger,
      bus: new EventBus(5),
      role: "all",
      version: "0.0.0-test",
      modules: [
        sources,
        createAcquisitionOrganizeModule(),
        createAgentModule(),
        createSearchModule({ runtime: (c) => sources.runtime(c), siteTimeoutMs: 2000 }),
      ],
      ctx,
    });

    const addSite = async (key: string, name: string, m: MockNexusPhpSite | null, searchDefault: boolean) => {
      const id = (
        await db
          .insertInto("site")
          .values({
            key,
            name,
            adapter: "nexusphp",
            base_url: m ? `${m.baseUrl}/` : "http://never.invalid/",
            rate_limit: JSON.stringify({ minIntervalMs: 0, concurrency: 5 }),
            search_default: searchDefault,
          })
          .returning("id")
          .executeTakeFirstOrThrow()
      ).id;
      if (m) {
        const ref = await secrets.create({ purpose: "site_cookie", plaintext: m.cookie });
        await db
          .insertInto("site_account")
          .values({ site_id: id, label: "main", auth_kind: "cookie", secret_ref: ref })
          .execute();
      }
      return id;
    };
    sites.a = await addSite("audiences", "观众", a, true);
    sites.b = await addSite("hdsky", "天空", b, false);
    // 已关闭:任何模式都不查
    sites.c = await addSite("hdhome", "家园", null, true);
    await db.updateTable("site").set({ enabled: false }).where("id", "=", sites.c).execute();

    // 本地已建档的沙丘2(接受了 TMDB 693134),有一个未满足的收录版本
    dune = (
      await db
        .insertInto("media_entity")
        .values({ kind: "movie", title: "沙丘2", original_title: "Dune: Part Two", year: 2024, status: "active" })
        .returning("id")
        .executeTakeFirstOrThrow()
    ).id;
    await db
      .insertInto("title_alias")
      .values({
        media_entity_id: dune,
        alias: "沙丘2",
        normalized: normalizeTitle("沙丘2"),
        kind: "original",
        source: "tmdb",
      })
      .execute();
    await db
      .insertInto("external_identity")
      .values({
        media_entity_id: dune,
        provider: "tmdb",
        entity_type: "movie",
        external_id: "693134",
        status: "accepted",
      })
      .execute();
    await db
      .insertInto("acquisition_slot")
      .values({ media_entity_id: dune, name: "2160p Remux", status: "empty" })
      .execute();
  }, 60_000);

  afterAll(async () => {
    await db?.destroy();
    if (admin) {
      await sql.raw(`drop schema if exists ${schema} cascade`).execute(admin);
      await admin.destroy();
    }
    await a?.close();
    await b?.close();
    await tmdb?.close();
  });

  it("第一阶段:作品本地 + TMDB 合并去重、本地在前、带库存对比;不请求任何站点", async () => {
    const before = counts();
    for (const scope of ["all", "media"]) {
      const r = await req(`/search?q=${encodeURIComponent("沙丘")}&scope=${scope}`);
      expect(r.status).toBe(200);
      expect(r.body.data.releases).toBeNull();
      const works = r.body.data.media.works as Loose[];
      // 同一 TMDB 身份只出现一次(本地那条),本地在前
      expect(works.filter((w) => w.tmdb?.externalId === "693134")).toHaveLength(1);
      expect(works[0]).toMatchObject({
        key: `local:${dune}`,
        source: "local",
        localEntityId: dune,
        tmdb: { entityType: "movie", externalId: "693134" },
        inventory: { state: "tracked", slotTotal: 1, slotSatisfied: 0, missing: [{ name: "2160p Remux" }] },
      });
    }
    const opp = await req(`/search?q=Oppenheimer&scope=media`);
    const w = (opp.body.data.media.works as Loose[]).find((x) => x.tmdb?.externalId === "872585");
    expect(w).toMatchObject({
      source: "tmdb",
      kind: "movie",
      localEntityId: null,
      year: 2023,
      inventory: { state: "not_collected", versionCount: 0 },
    });
    expect(w.overview).toBeTruthy();
    expect(counts()).toEqual(before);
  });

  it("第二阶段:不带 sites 走默认集合(search_default),sites= 只查指定站点,关闭的站点不查", async () => {
    let before = counts();
    const def = await req(`/search/releases?q=Dune`);
    expect(def.status).toBe(200);
    expect(def.body.data.sites.map((s: Loose) => s.siteId)).toEqual([sites.a]);
    expect(counts()).toEqual([before[0]! + 1, before[1]]);
    // 惰性识别(DEC-1):搜到的未识别资源以 trigger=search 入队识别
    const resolves = engine.enqueued.filter((e) => e.task === "resolveObservation");
    expect(resolves.length).toBeGreaterThan(0);
    expect(resolves.every((e) => (e.input as { trigger?: string }).trigger === "search")).toBe(true);

    before = counts();
    const only = await req(`/search/releases?q=Dune&sites=${sites.b},${sites.c}`);
    expect(only.body.data.sites.map((s: Loose) => s.siteId)).toEqual([sites.b]);
    // 结果只来自天空(其定义与 mock 页面结构不完全一致,条数不断言)
    expect(only.body.data.items.every((i: Loose) => i.siteId === sites.b)).toBe(true);
    expect(counts()).toEqual([before[0], before[1]! + 1]);

    // 两个都选:两站的(站点, 查询词)都已缓存 → 不再请求
    before = counts();
    const both = await req(`/search/releases?q=Dune&sites=${sites.a},${sites.b}`);
    expect(both.body.data.cached).toBe(true);
    expect(both.body.data.sites).toHaveLength(2);
    expect(counts()).toEqual(before);
  });

  it("settings.search.defaultSiteMode:all = 全部启用站点;custom = 指定站点", async () => {
    await db.deleteFrom("settings").where("key", "=", "search").execute();
    await db
      .insertInto("settings")
      .values({ key: "search", value: JSON.stringify({ defaultSiteMode: "all", siteIds: [] }) })
      .execute();
    const all = await req(`/search/releases?q=Oppenheimer`);
    expect(all.body.data.sites.map((s: Loose) => s.siteId).sort()).toEqual([sites.a, sites.b].sort());

    await db
      .updateTable("settings")
      .set({ value: JSON.stringify({ defaultSiteMode: "custom", siteIds: [sites.b] }) })
      .where("key", "=", "search")
      .execute();
    const custom = await req(`/search/releases?q=Interstellar`);
    expect(custom.body.data.sites.map((s: Loose) => s.siteId)).toEqual([sites.b]);
    await db.deleteFrom("settings").where("key", "=", "search").execute();
  });

  it("按作品搜资源:服务端用原名 + 年份 / 译名生成查询词,每站每词一次", async () => {
    const before = counts();
    const r = await req(`/search/releases?tmdb=movie:693134&sites=${sites.a}`);
    expect(r.status).toBe(200);
    expect(r.body.data.queries).toEqual(["Dune: Part Two 2024", "沙丘2"]);
    expect(r.body.data.q).toBe("Dune: Part Two 2024");
    const sent = searches(a).slice(before[0]);
    expect(sent).toHaveLength(2);
    expect(r.body.data.sites[0]).toMatchObject({ siteId: sites.a, status: "ok" });

    const byEntity = await req(`/search/releases?entityId=${dune}&sites=${sites.a}`);
    expect(byEntity.body.data.queries).toEqual(["Dune: Part Two 2024", "沙丘2"]);
    expect(byEntity.body.data.cached).toBe(true);

    expect((await req(`/search/releases?sites=${sites.a}`)).status).toBe(422);
    expect((await req(`/search/releases?tmdb=movie:999999999`)).status).toBe(404);
  });

  it("GET /media/tmdb/{type}/{id}:TMDB 信息 + 季列表 + 库存对比 + 是否已建档", async () => {
    const before = counts();
    const movie = await req(`/media/tmdb/movie/872585`);
    expect(movie.status).toBe(200);
    expect(movie.body.data).toMatchObject({
      provider: "tmdb",
      entityType: "movie",
      externalId: "872585",
      kind: "movie",
      year: 2023,
      originalTitle: "Oppenheimer",
      localEntityId: null,
      inventory: { state: "not_collected" },
      mediaServers: null,
      seasons: [],
      queries: ["Oppenheimer 2023", "奥本海默"],
      externalIds: { imdb: "tt15398776" },
    });

    const local = await req(`/media/tmdb/movie/693134?include=mediaServers`);
    expect(local.body.data).toMatchObject({
      localEntityId: dune,
      inventory: { state: "tracked", missing: [{ name: "2160p Remux" }] },
      mediaServers: { mediaEntityId: dune, instances: [] },
    });

    const tv = await req(`/media/tmdb/tv/136315`);
    expect(tv.body.data.kind).toBe("series");
    expect(tv.body.data.seasons.map((s: Loose) => [s.seasonNumber, s.episodeCount, s.localHave])).toEqual([
      [1, 8, null],
      [2, 10, null],
      [3, 10, null],
    ]);
    expect(tv.body.data.queries).toEqual(["The Bear", "熊家餐馆"]);

    expect((await req(`/media/tmdb/movie/999999999`)).status).toBe(404);
    expect((await req(`/media/tmdb/person/1`)).status).toBe(422);
    // 详情页不查站点
    expect(counts()).toEqual(before);
  });

  it("MD-1 GET /media/tmdb/tv/{id}(语言回退链)与 /season/{n}(每集信息)", async () => {
    const d = await req(`/media/tmdb/tv/95396`);
    expect(d.status).toBe(200);
    expect(d.body.data).toMatchObject({
      title: "人生切割术",
      titleZh: "人生切割术",
      overview: "故事发生在一家名为卢蒙的超级大公司内。",
      genres: ["剧情", "悬疑", "Sci-Fi & Fantasy"],
      voteAverage: 8.4,
      airStatus: "Returning Series",
      platform: "Apple TV",
      backdropPath: "/severance-bg.jpg",
    });
    expect(d.body.data.cast[0]).toMatchObject({ name: "亚当·斯科特", role: "Mark Scout", profilePath: "/adam.jpg" });
    expect(d.body.data.seasons[0]).toMatchObject({ seasonNumber: 1, posterPath: "/sev-s1.jpg" });

    const s1 = await req(`/media/tmdb/tv/95396/season/1`);
    expect(s1.status).toBe(200);
    expect(s1.body.data.episodes.map((e: Loose) => [e.episodeNumber, e.name, e.nameLanguage])).toEqual([
      [1, "有关地狱的好消息", "zh-CN"],
      [2, "半循環", "zh-TW"],
      [3, "In Perpetuity", "en-US"],
    ]);
    expect(s1.body.data.episodes[0]).toMatchObject({ runtime: 59, stillPath: "/sev-101.jpg", voteAverage: 8.2 });
    expect((await req(`/media/tmdb/tv/95396/season/9`)).status).toBe(404);
  });

  it("GET /inventory/media-servers 可按 TMDB 条目查(未建档时 mediaEntityId = null)", async () => {
    const r = await req(`/inventory/media-servers?tmdbType=movie&tmdbId=872585`);
    expect(r.status).toBe(200);
    expect(r.body.data).toMatchObject({ mediaEntityId: null, instances: [], partial: false });
    const linked = await req(`/inventory/media-servers?tmdbType=movie&tmdbId=693134`);
    expect(linked.body.data.mediaEntityId).toBe(dune);
    expect((await req(`/inventory/media-servers`)).status).toBe(422);
  });

  it("站点「默认参与搜索」可在 PATCH /sites/{id} 修改,列表返回 searchDefault", async () => {
    const r = await req(`/sites/${sites.b}`, { method: "PATCH", body: { searchDefault: true } });
    expect(r.status).toBe(200);
    expect(r.body.data.searchDefault).toBe(true);
    const list = await req(`/sites`);
    const byId = Object.fromEntries(list.body.data.items.map((s: Loose) => [s.id, s.searchDefault]));
    expect(byId[sites.a]).toBe(true);
    expect(byId[sites.b]).toBe(true);
    await req(`/sites/${sites.b}`, { method: "PATCH", body: { searchDefault: false } });
  });
});