import { createMockQb, createTempTree, type MockQb, makeTorrent, type TempTree } from "@umt/testkit";
import { afterAll, beforeAll, describe, expect, it } from "vitest";
import { evaluateAcquisition } from "../../src/modules/acquisition-organize/services/acquisition.ts";
import { submitDownload, syncDownloads } from "../../src/modules/acquisition-organize/services/downloads.ts";
import { executeRecord, planImport } from "../../src/modules/acquisition-organize/services/organize.ts";
import { applyEpisodeTotal } from "../../src/modules/acquisition-organize/services/subscriptions.ts";
import { createHarness, fakeDisk, type Harness, pgAvailable, seedBase, seedEntity, seedRelease } from "./harness.ts";

// 洗版完成口径(H2):收录版本有升级目标(规则组阶梯按 pri 洗版)时,覆盖齐还不够,要到最高档才完成订阅。
// 电影洗版、按集洗版、全集洗版各一例;下载器接收即计入(afterDownloadAccepted)与入库后(afterSlotVerified)同口径。

const hasPg = await pgAvailable();
const SIZE = 300_000;

describe.skipIf(!hasPg)("洗版到最高档才完成(真实 PG + mock qB + 临时目录)", () => {
  let h: Harness;
  let qb: MockQb;
  let lib: TempTree;
  let cache: TempTree;
  const disk = fakeDisk(10_000_000_000);
  const torrents = new Map<string, Uint8Array>();
  let base: Awaited<ReturnType<typeof seedBase>>;
  let groupId: string;

  beforeAll(async () => {
    qb = await createMockQb({ addVisibleAfterPolls: 0 });
    lib = await createTempTree({}, { sentinel: true, prefix: "umt-lib-" });
    cache = await createTempTree({}, { prefix: "umt-cache-" });
    disk.state.watch = [cache.root];
    disk.setPct(10);
    h = await createHarness("upgradedone", {
      diskUsage: disk.fn,
      torrentSource: async ({ release }) => ({ kind: "file", bytes: torrents.get(release.id)! }),
    });
    base = await seedBase(h.db, { libraryPath: lib.root, cachePath: cache.root, qbUrl: qb.url });
    const g = await h.api("POST", "/rules", { name: "洗版到 REMUX", ruleString: "REMUX > WEBDL" });
    expect(g.status, JSON.stringify(g.body)).toBe(201);
    groupId = g.body.data.id;
  }, 60_000);

  afterAll(async () => {
    await h?.close();
    await qb?.close();
    await lib?.cleanup();
    await cache?.cleanup();
  });

  const db = () => h.db;

  async function washSub(kind: "movie" | "series", title: string, mode: "movie" | "per_unit" | "full_pack") {
    const entityId = await seedEntity(db(), { kind, title, year: 2024 });
    const sub = await db()
      .insertInto("subscription")
      .values({ media_entity_id: entityId, media_kind: kind, mode: "once", season_scope: "current_season" })
      .returning("id")
      .executeTakeFirstOrThrow();
    await db()
      .insertInto("acquisition_slot")
      .values({
        media_entity_id: entityId,
        subscription_id: sub.id,
        name: "洗版",
        upgrade_threshold: JSON.stringify({ enabled: true, mode }),
        rule_group_ids: JSON.stringify([groupId]),
      })
      .execute();
    return { entityId, subId: sub.id };
  }

  async function release(entityId: string, title: string, files?: { path: string; length: number }[]) {
    const t = files
      ? makeTorrent({ name: title, files, pieceSeed: Math.floor(Math.random() * 1e6) })
      : makeTorrent({ name: `${title}.mkv`, length: SIZE, pieceSeed: Math.floor(Math.random() * 1e6) });
    const id = await seedRelease(db(), { siteId: base.siteId, entityId, title, size: SIZE, hash: t.hash });
    torrents.set(id, t.bytes);
    return { id, hash: t.hash };
  }
  const subRow = (id: string) =>
    db().selectFrom("subscription").selectAll().where("id", "=", id).executeTakeFirstOrThrow();
  const planRow = (id: string) =>
    db().selectFrom("acquisition_plan").selectAll().where("id", "=", id).executeTakeFirstOrThrow();

  async function planFor(relId: string) {
    const ev = await evaluateAcquisition(h.d, { sourceReleaseId: relId });
    expect(ev.plans, JSON.stringify(ev)).toHaveLength(1);
    return ev.plans[0]!;
  }
  async function submit(planId: string) {
    const s = await submitDownload(h.d, planId);
    expect(s.status).toBe("submitted");
    return s.downloadTaskId!;
  }
  async function completeAndImport(hash: string, dtId: string) {
    await qb.complete(hash, { writeFiles: true });
    const sync = await syncDownloads(h.d);
    expect(sync.completed).toContain(dtId);
    const p = await planImport(h.d, { downloadTaskId: dtId, trigger: "auto", actorType: "system" });
    expect(p.status, JSON.stringify(p)).toBe("running");
    const ex = await executeRecord(h.d, p.recordId!);
    expect(ex.status).toBe("succeeded");
  }

  it("电影洗版:WEB-DL(pri 99)接收、入库都不完成;REMUX(pri 100)接收即完成", async () => {
    const { entityId, subId } = await washSub("movie", "Wash Film", "movie");
    const web = await release(entityId, "Wash.Film.2024.1080p.WEB-DL.x264-GRP");
    const webTask = await submit(await planFor(web.id));
    expect(await subRow(subId)).toMatchObject({ status: "active" });
    await completeAndImport(web.hash, webTask);
    expect(await subRow(subId)).toMatchObject({ status: "active" });
    const remux = await release(entityId, "Wash.Film.2024.1080p.BluRay.REMUX.AVC-GRP");
    const up = await planFor(remux.id);
    expect(await planRow(up)).toMatchObject({ purpose: "upgrade" });
    await submit(up);
    expect(await subRow(subId)).toMatchObject({ status: "completed", status_reason: "download_accepted" });
  }, 60_000);

  it("按集洗版:全集已覆盖但不是最高档时不完成;逐集洗到 REMUX 后完成", async () => {
    const { entityId, subId } = await washSub("series", "Wash Episodes", "per_unit");
    await db()
      .transaction()
      .execute((trx) => applyEpisodeTotal(trx, { entityId, season: 1, fresh: 1, now: new Date() }));
    const web = await release(entityId, "Wash.Episodes.S01E01.1080p.WEB-DL.x264-GRP");
    const webTask = await submit(await planFor(web.id));
    expect(await subRow(subId)).toMatchObject({ status: "active" });
    await completeAndImport(web.hash, webTask);
    expect(await subRow(subId)).toMatchObject({ status: "active" });
    const remux = await release(entityId, "Wash.Episodes.S01E01.1080p.BluRay.REMUX.AVC-GRP");
    const up = await planFor(remux.id);
    expect(await planRow(up)).toMatchObject({ purpose: "upgrade", unit_keys: ["s1e1"] });
    await submit(up);
    expect(await subRow(subId)).toMatchObject({ status: "completed", status_reason: "download_accepted" });
  }, 60_000);

  it("全集洗版:WEB-DL 季包覆盖全季不完成;单集 REMUX 不接;REMUX 季包后完成", async () => {
    const { entityId, subId } = await washSub("series", "Wash Pack", "full_pack");
    await db()
      .transaction()
      .execute((trx) => applyEpisodeTotal(trx, { entityId, season: 1, fresh: 2, now: new Date() }));
    const files = (tag: string) => [1, 2].map((e) => ({ path: `Wash.Pack.S01E0${e}.1080p.${tag}.mkv`, length: SIZE }));
    const web = await release(entityId, "Wash.Pack.S01.1080p.WEB-DL.x264-GRP", files("WEB-DL.x264-GRP"));
    const webPlan = await planFor(web.id);
    expect((await planRow(webPlan)).unit_keys).toEqual(["s1e1", "s1e2"]);
    const webTask = await submit(webPlan);
    expect(await subRow(subId)).toMatchObject({ status: "active" });
    await completeAndImport(web.hash, webTask);
    expect(await subRow(subId)).toMatchObject({ status: "active" });
    const single = await release(entityId, "Wash.Pack.S01E01.1080p.BluRay.REMUX.AVC-GRP");
    expect((await evaluateAcquisition(h.d, { sourceReleaseId: single.id })).plans).toHaveLength(0);
    const remux = await release(entityId, "Wash.Pack.S01.1080p.BluRay.REMUX.AVC-GRP", files("BluRay.REMUX.AVC-GRP"));
    const up = await planFor(remux.id);
    expect(await planRow(up)).toMatchObject({ purpose: "upgrade" });
    await submit(up);
    expect(await subRow(subId)).toMatchObject({ status: "completed", status_reason: "download_accepted" });
  }, 60_000);
});