import { ManualAcquisitionRequest } from "@umt/contracts";
import { createMockQb, createTempTree, makeTorrent } from "@umt/testkit";
import { describe, expect, it } from "vitest";
import { evaluateAcquisition } from "../../src/modules/acquisition-organize/services/acquisition.ts";
import { submitDownload } from "../../src/modules/acquisition-organize/services/downloads.ts";
import { planManualAcquisition } from "../../src/modules/acquisition-organize/services/manual-acquisition.ts";
import { createHarness, fakeDisk, pgAvailable, seedBase, seedEntity, seedRelease, seedSlot } from "./harness.ts";

const hasPg = await pgAvailable();
describe.skipIf(!hasPg)("独立手动下载", () => {
  it("无订阅下载，未知资源确认，同hash沿用原路径", async () => {
    const qb = await createMockQb({ addVisibleAfterPolls: 0 });
    const cache = await createTempTree({});
    const lib = await createTempTree({}, { sentinel: true });
    const torrents = new Map<string, Uint8Array>();
    const disk = fakeDisk(10_000_000);
    disk.setPct(20);
    const h = await createHarness("manual_acquisition", {
      diskUsage: disk.fn,
      torrentSource: async ({ release }) => ({ kind: "file", bytes: torrents.get(release.id)! }),
    });
    try {
      const base = await seedBase(h.db, { libraryPath: lib.root, cachePath: cache.root, qbUrl: qb.url });
      const entityId = await seedEntity(h.db, { kind: "movie", title: "Manual Movie", year: 2026 });
      const torrent = makeTorrent({ name: "Manual.Movie.2026.1080p.mkv", length: 300_000 });
      const relId = await seedRelease(h.db, {
        siteId: base.siteId,
        entityId,
        title: torrent.name,
        size: 300_000,
        hash: torrent.hash,
      });
      torrents.set(relId, torrent.bytes);
      const request = (id: string, opts = {}) => ManualAcquisitionRequest.parse({ sourceReleaseId: id, ...opts });
      const first = await planManualAcquisition(h.ctx, request(relId));
      expect(first).toMatchObject({ submitted: true, slotId: null });
      expect(await h.db.selectFrom("subscription").selectAll().execute()).toHaveLength(0);
      expect(await h.db.selectFrom("acquisition_slot").selectAll().execute()).toHaveLength(0);
      const sub = await submitDownload(h.d, first.plan!.id);
      expect(sub.status).toBe("submitted");
      const rel2 = await seedRelease(h.db, {
        siteId: base.siteId,
        entityId,
        title: "Other.Release.2160p.mkv",
        size: 300_000,
        hash: torrent.hash,
      });
      torrents.set(rel2, torrent.bytes);
      const second = await planManualAcquisition(h.ctx, request(rel2, { savePath: `${cache.root}/other` }));
      const reused = await submitDownload(h.d, second.plan!.id);
      expect(reused).toMatchObject({ reason: "already_exists", downloadTaskId: sub.downloadTaskId });
      const dt = await h.db
        .selectFrom("download_task")
        .selectAll()
        .where("id", "=", sub.downloadTaskId!)
        .executeTakeFirstOrThrow();
      expect(dt.save_path).toBe(cache.root);
      expect(dt.media_entity_id).toBe(entityId);
      const unknown = makeTorrent({ name: "Unknown.1080p.mkv", length: 300_000, pieceSeed: 42 });
      const uid = await seedRelease(h.db, {
        siteId: base.siteId,
        entityId,
        title: unknown.name,
        size: 300_000,
        hash: unknown.hash,
      });
      await h.db.updateTable("source_release").set({ media_entity_id: null }).where("id", "=", uid).execute();
      torrents.set(uid, unknown.bytes);
      expect(await planManualAcquisition(h.ctx, request(uid))).toMatchObject({
        submitted: false,
        requiresConfirmation: true,
      });
      const confirmed = await planManualAcquisition(h.ctx, request(uid, { allowUnrecognized: true }));
      const submitted = await submitDownload(h.d, confirmed.plan!.id);
      expect(submitted.status).toBe("submitted");
      expect(
        (
          await h.db
            .selectFrom("download_task")
            .select("media_entity_id")
            .where("id", "=", submitted.downloadTaskId!)
            .executeTakeFirstOrThrow()
        ).media_entity_id,
      ).toBeNull();
      const autoEntity = await seedEntity(h.db, { kind: "movie", title: "Auto Movie", year: 2026 });
      const slotId = await seedSlot(h.db, { entityId: autoEntity });
      const autoTorrent = makeTorrent({
        name: "Auto.Movie.2026.1080p.BluRay.x264-GRP.mkv",
        length: 300_000,
        pieceSeed: 100,
      });
      const autoRelease = await seedRelease(h.db, {
        siteId: base.siteId,
        entityId: autoEntity,
        title: autoTorrent.name,
        size: 300_000,
        hash: autoTorrent.hash,
      });
      torrents.set(autoRelease, autoTorrent.bytes);
      const auto = await evaluateAcquisition(h.d, { sourceReleaseId: autoRelease });
      expect(auto.plans).toHaveLength(1);
      const autoTask = await submitDownload(h.d, auto.plans[0]!);
      const oldAsset = await h.db
        .insertInto("media_asset")
        .values({ media_entity_id: autoEntity, kind: "video", size_bytes: 300_000, status: "active" })
        .returning("id")
        .executeTakeFirstOrThrow();
      await h.db
        .updateTable("download_task")
        .set({ status: "imported" })
        .where("id", "=", autoTask.downloadTaskId!)
        .execute();
      const unchanged = await planManualAcquisition(h.ctx, request(autoRelease));
      expect(unchanged.plan!.id).toBe(auto.plans[0]);
      const wash = await planManualAcquisition(
        h.ctx,
        request(autoRelease, { importMode: "replace", replacementAssetIds: [oldAsset.id] }),
      );
      const washed = await submitDownload(h.d, wash.plan!.id);
      expect(washed.downloadTaskId).toBe(autoTask.downloadTaskId);
      const linked = await h.db
        .selectFrom("download_task")
        .selectAll()
        .where("id", "=", autoTask.downloadTaskId!)
        .executeTakeFirstOrThrow();
      expect(linked).toMatchObject({
        acquisition_plan_id: auto.plans[0],
        import_plan_id: wash.plan!.id,
        status: "completed",
      });
      expect(
        (
          await h.db
            .selectFrom("acquisition_plan")
            .select("slot_id")
            .where("id", "=", auto.plans[0]!)
            .executeTakeFirstOrThrow()
        ).slot_id,
      ).toBe(slotId);
      expect(h.engine.enqueued).toContainEqual(
        expect.objectContaining({
          task: "verifyAndImport",
          input: expect.objectContaining({ downloadTaskId: autoTask.downloadTaskId }),
        }),
      );
    } finally {
      await h.close();
      await qb.close();
      await cache.cleanup();
      await lib.cleanup();
    }
  });
});