import { makeTorrent } from "@umt/testkit";
import { afterAll, beforeAll, describe, expect, it } from "vitest";
import {
  createHarness,
  fakeDisk,
  type Harness,
  pgAvailable,
  seedBase,
  seedEntity,
  seedRelease,
  seedSlot,
} from "../../src/modules/acquisition-organize/__tests__/harness.ts";
import { evaluateAcquisition } from "../../src/modules/acquisition-organize/services/acquisition.ts";

// W9-D 规则组:关键字表、规则串解析/序列化、CRUD + 修订、抑制记录、试算、默认链、评估接入、旧端点别名。

const hasPg = await pgAvailable();

describe.skipIf(!hasPg)("规则组 API(真实 PG)", () => {
  let h: Harness;
  const disk = fakeDisk(1_000_000_000);
  let base: Awaited<ReturnType<typeof seedBase>>;

  beforeAll(async () => {
    disk.setPct(10);
    h = await createHarness("rulegroups", { diskUsage: disk.fn });
    base = await seedBase(h.db, {
      libraryPath: "/tmp/nonexistent-lib",
      cachePath: "/tmp",
      qbUrl: "http://127.0.0.1:9",
    });
  }, 60_000);
  afterAll(async () => {
    await h?.close();
  });

  it("关键字表对齐 MP;规则串解析 / 序列化 / 错误位置", async () => {
    const kw = await h.api("GET", "/rules/keywords");
    expect(kw.status).toBe(200);
    const byId = new Map(kw.body.data.items.map((k: { id: string }) => [k.id, k]));
    expect(byId.get("4K")).toMatchObject({ builtin: true, supported: true, basis: "field" });
    expect(byId.get("CNSUB")).toMatchObject({ mp: { tmdb: { original_language: "zh,cn" } } });
    expect(byId.get("FLAC")).toMatchObject({ supported: false });

    const p = await h.api("POST", "/rules/parse", { ruleString: "specsub & cnsub > CNSUB & 4K > 1080P & !BLU" });
    expect(p.status).toBe(200);
    expect(p.body.data.ruleString).toBe("SPECSUB & CNSUB > CNSUB & 4K > 1080P & !BLU");
    expect(p.body.data.layers).toHaveLength(3);
    const bad = await h.api("POST", "/rules/parse", { ruleString: "4K & CNSUBB > (1080P" });
    expect(bad.body.data.ruleString).toBeNull();
    expect(bad.body.data.errors[0]).toMatchObject({ code: "unknown_atom", position: 5, suggestions: ["CNSUB"] });
    const ser = await h.api("POST", "/rules/serialize", { layers: p.body.data.layers });
    expect(ser.body.data.ruleString).toBe("SPECSUB & CNSUB > CNSUB & 4K > 1080P & !BLU");
  });

  it("默认三套组;CRUD + revision 乐观锁 + 修订历史;名称唯一", async () => {
    const defs = await h.api("GET", "/rules/defaults");
    expect(defs.body.data.acquisition).toHaveLength(1);
    expect(defs.body.data.upgrade).toHaveLength(1);
    expect(defs.body.data.search).toHaveLength(1);

    const c = await h.api("POST", "/rules", { name: "4K 优先", ruleString: "4K > 1080P", hardExcludes: ["BLU"] });
    expect(c.status).toBe(201);
    expect(c.body.data).toMatchObject({
      kind: "acquisition",
      source: "manual",
      ruleString: "4K > 1080P",
      ladderRequired: true,
      revision: 1,
      hardExcludes: [{ op: "atom", id: "BLU" }],
    });
    expect((await h.api("POST", "/rules", { name: "4K 优先" })).status).toBe(409);
    expect((await h.api("POST", "/rules", { name: "坏", ruleString: "4K & NOPE" })).status).toBe(422);
    const id = c.body.data.id;
    expect((await h.api("PATCH", `/rules/${id}`, { expectedRevision: 5, ruleString: "4K" })).status).toBe(409);
    const u = await h.api("PATCH", `/rules/${id}`, { expectedRevision: 1, ruleString: "4K & !REMUX > 1080P" });
    expect(u.body.data).toMatchObject({ revision: 2, ruleString: "4K & !REMUX > 1080P" });
    const rev = await h.api("GET", `/rules/${id}/revisions`);
    expect(rev.body.data.items.map((r: { action: string }) => r.action)).toEqual([
      "rule_group.updated",
      "rule_group.created",
    ]);
    expect(rev.body.data.items[0].changedFields).toEqual(["layers"]);
    const list = await h.api("GET", "/rules?kind=acquisition");
    expect(list.body.data.items.some((g: { id: string }) => g.id === id)).toBe(true);
  });

  it("自定义条件:不能覆盖内置;被引用不能删", async () => {
    expect((await h.api("POST", "/rules/atoms", { key: "4K" })).status).toBe(409);
    expect((await h.api("POST", "/rules/atoms", { key: "BADRE", include: ["(a+)+"] })).status).toBe(422);
    const a = await h.api("POST", "/rules/atoms", { key: "sizemovie", unitSizeMb: { min: 2000, max: 30000 } });
    expect(a.status).toBe(201);
    expect(a.body.data.key).toBe("SIZEMOVIE");
    const g = await h.api("POST", "/rules", { name: "体积", ruleString: "SIZEMOVIE" });
    expect(g.status).toBe(201);
    expect((await h.api("DELETE", `/rules/atoms/${a.body.data.id}`)).status).toBe(409);
    const kw = await h.api("GET", "/rules/keywords");
    expect(kw.body.data.items.find((k: { id: string }) => k.id === "SIZEMOVIE")).toMatchObject({ builtin: false });
  });

  it("抑制:停用/删除写抑制记录;Agent 不能加回(409);手动新建解除", async () => {
    const body = { name: "不要 HDR", source: "agent", hardExcludes: ["HDR"] };
    const c = await h.api("POST", "/rules", body);
    expect(c.status).toBe(201);
    expect((await h.api("POST", "/rules", { ...body, name: "不要 HDR 2" })).status).toBe(409);
    const off = await h.api("PATCH", `/rules/${c.body.data.id}`, { enabled: false });
    expect(off.body.data.suppressedAt).not.toBeNull();
    const sup = await h.api("GET", "/rules/suppressions?active=true");
    expect(sup.body.data.items.map((s: { fingerprint: string }) => s.fingerprint)).toContain(c.body.data.fingerprint);
    expect((await h.api("DELETE", `/rules/${c.body.data.id}`)).status).toBe(200);
    expect((await h.api("POST", "/rules", { ...body, name: "又来" })).status).toBe(409);
    const again = await h.api("POST", "/rules", { ...body, name: "用户自己加", source: "manual" });
    expect(again.status).toBe(201);
    const still = await h.api("GET", "/preference-suppressions?active=true");
    expect(still.body.data.items.map((s: { fingerprint: string }) => s.fingerprint)).not.toContain(
      c.body.data.fingerprint,
    );
  });

  it("试算:最近资源 + 粘贴标题,给 pri / 命中层 / 拒绝原因", async () => {
    const e = await seedEntity(h.db, { kind: "movie", title: "试算片", year: 2024 });
    for (const [i, t] of [
      "Try.2024.2160p.WEB-DL.H265-A",
      "Try.2024.1080p.BluRay.x264-B",
      "Try.2024.720p.WEB-DL.x264-C",
    ].entries())
      await seedRelease(h.db, {
        siteId: base.siteId,
        entityId: e,
        title: t,
        size: 1000,
        hash: `${"ab".repeat(19)}${i}${i}`,
      });
    const g = await h.api("POST", "/rules", { name: "试算组", ruleString: "4K > 1080P", hardExcludes: ["BLU"] });
    const pv = await h.api("POST", `/rules/${g.body.data.id}/preview`, {
      limit: 20,
      titles: [{ title: "X.2023.1080p.Blu-ray.AVC.DTS-HD.MA-GRP" }],
      sourceReleaseIds: [],
    });
    expect(pv.status).toBe(200);
    const byTitle = new Map(pv.body.data.items.map((i: { title: string }) => [i.title, i]));
    expect(byTitle.get("Try.2024.2160p.WEB-DL.H265-A")).toMatchObject({ passed: true, pri: 100, level: 0 });
    expect(byTitle.get("Try.2024.1080p.BluRay.x264-B")).toMatchObject({ passed: true, pri: 99 });
    expect(byTitle.get("Try.2024.720p.WEB-DL.x264-C")).toMatchObject({ passed: false, reasons: ["no_layer_matched"] });
    expect(byTitle.get("X.2023.1080p.Blu-ray.AVC.DTS-HD.MA-GRP")).toMatchObject({
      passed: false,
      excludedBy: ["BLU"],
      reasons: ["hard_exclude"],
    });
    const draft = await h.api("POST", `/rules/${g.body.data.id}/preview`, {
      titles: [{ title: "Try.2024.720p.WEB-DL.x264-C" }],
      draft: { ruleString: "720P" },
    });
    expect(draft.body.data.items[0]).toMatchObject({ passed: true, pri: 100 });
  });

  it("评估接入:版本目标引用规则组 → 硬排除拒绝、pri 进候选评估 trace;被引用的组不能删", async () => {
    const e = await seedEntity(h.db, { kind: "movie", title: "规则片", year: 2024 });
    const slot = await seedSlot(h.db, { entityId: e });
    const g = await h.api("POST", "/rules", { name: "片源", ruleString: "4K > 1080P", hardExcludes: ["REMUX"] });
    const up = await h.api("PATCH", `/acquisition-slots/${slot}`, {
      expectedRevision: 1,
      ruleGroupIds: [g.body.data.id],
    });
    expect(up.body.data.ruleGroupIds).toEqual([g.body.data.id]);
    expect(
      (
        await h.api("PATCH", `/acquisition-slots/${slot}`, {
          expectedRevision: 2,
          ruleGroupIds: ["7d3f7f5e-8a8c-4b8e-9f0a-1b2c3d4e5f60"],
        })
      ).status,
    ).toBe(400);

    const t1 = makeTorrent({ name: "Rule.2024.1080p.BluRay.REMUX.mkv", length: 1000, pieceSeed: 41 });
    const r1 = await seedRelease(h.db, {
      siteId: base.siteId,
      entityId: e,
      title: "Rule.2024.1080p.BluRay.REMUX.AVC-EPSiLON",
      size: 1000,
      hash: t1.hash,
    });
    const ev1 = await evaluateAcquisition(h.d, { sourceReleaseId: r1 });
    expect(ev1.plans).toHaveLength(0);
    const cand = async (rid: string) =>
      (
        await h.db
          .selectFrom("artifact")
          .select("content")
          .where("subject_id", "=", slot)
          .where("title", "=", "candidate_evaluation")
          .execute()
      )
        .map(
          (a) =>
            a.content as {
              sourceReleaseId: string;
              decision: string;
              pri: number | null;
              trace: string[];
              rejected: { code: string }[];
              reasons: string[];
            },
        )
        .find((x) => x.sourceReleaseId === rid)!;
    const c1 = await cand(r1);
    expect(c1.decision).toBe("reject");
    expect(c1.rejected.map((x) => x.code)).toContain("rule.hard_exclude");
    expect(c1.trace.join("\n")).toContain("规则组「片源」@r1 硬排除 REMUX 命中");

    const t2 = makeTorrent({ name: "Rule.2024.1080p.WEB-DL.mkv", length: 1000, pieceSeed: 42 });
    const r2 = await seedRelease(h.db, {
      siteId: base.siteId,
      entityId: e,
      title: "Rule.2024.1080p.WEB-DL.H264-GRP",
      size: 1000,
      hash: t2.hash,
    });
    const ev2 = await evaluateAcquisition(h.d, { sourceReleaseId: r2 });
    expect(ev2.plans).toHaveLength(1);
    const c2 = await cand(r2);
    expect(c2).toMatchObject({ decision: "accept", pri: 99 });
    expect(c2.reasons).toContain(`rule_group:${g.body.data.id}@1`);

    expect((await h.api("DELETE", `/rules/${g.body.data.id}`)).status).toBe(409);
  });

  it("默认链:订阅默认组有层时对未引用规则组的版本目标生效;PUT /rules/defaults 校验类型", async () => {
    const defs = (await h.api("GET", "/rules/defaults")).body.data;
    const dflt = defs.acquisition[0];
    expect((await h.api("PUT", "/rules/defaults", { ...defs, acquisition: defs.upgrade })).status).toBe(400);
    await h.api("PATCH", `/rules/${dflt}`, { ruleString: "WEBDL" });
    const e = await seedEntity(h.db, { kind: "movie", title: "默认片", year: 2024 });
    const slot = await seedSlot(h.db, { entityId: e });
    const t = makeTorrent({ name: "Dflt.2024.1080p.BluRay.mkv", length: 1000, pieceSeed: 51 });
    const r = await seedRelease(h.db, {
      siteId: base.siteId,
      entityId: e,
      title: "Dflt.2024.1080p.BluRay.x264-GRP",
      size: 1000,
      hash: t.hash,
    });
    const ev = await evaluateAcquisition(h.d, { sourceReleaseId: r });
    expect(ev.plans).toHaveLength(0);
    const a = await h.db
      .selectFrom("artifact")
      .select("content")
      .where("subject_id", "=", slot)
      .where("title", "=", "candidate_evaluation")
      .executeTakeFirstOrThrow();
    expect((a.content as { rejected: { code: string }[] }).rejected.map((x) => x.code)).toContain(
      "rule.no_layer_matched",
    );
    // 复原,避免影响其它用例
    await h.api("PATCH", `/rules/${dflt}`, { ruleString: "" });
  });

  it("旧端点别名:偏好标签落在规则组;/rules/policies 与 /policy-revisions 同一数据", async () => {
    const tag = await h.api("POST", "/preference-tags", {
      label: "不要国配",
      kind: "hard",
      rule: { ruleString: "CNVOI" },
      origin: "conversation",
    });
    expect(tag.status).toBe(201);
    const g = await h.api("GET", `/rules/${tag.body.data.id}`);
    expect(g.body.data).toMatchObject({
      legacyKind: "hard",
      source: "chat",
      hardExcludes: [{ op: "atom", id: "CNVOI" }],
    });
    const pol = await h.api("POST", "/rules/policies", {
      policyKey: "w9d",
      kind: "acquisition",
      title: "t",
      rules: {},
    });
    expect(pol.status).toBe(201);
    const old = await h.api("GET", `/policy-revisions/${pol.body.data.id}`);
    expect(old.body.data.policyKey).toBe("w9d");
  });
});