import { readFile, writeFile } from "node:fs/promises";
import { join } from "node:path";
import { afterAll, beforeAll, describe, expect, it } from "vitest";
import { executeRecord } from "../../src/modules/acquisition-organize/services/organize.ts";
import { createFmHarness, type FmHarness, key, pgAvailable, READ_KEY, seedEntity } from "./harness.ts";

// 整理向导不绕过集数映射:向导只发用户改过的季集;未带季集的项由服务端按最终作品映射(`- 25` → S02E13),
// 带了季集的按人工指定执行。集数待确认的识别项带 episodeUnresolved,向导据此标为未决。

const skip = !(await pgAvailable());

describe.skipIf(skip)("整理向导执行时按作品映射集数", () => {
  let h: FmHarness;
  let show: string;
  const auto = "[ANi] Kusuriya no Hitorigoto - 25 [1080P].mkv";
  const manual = "[ANi] Kusuriya no Hitorigoto - 25 [720P].mkv";
  const pending = "[ANi] Kusuriya no Hitorigoto - 40 [1080P].mkv";

  beforeAll(async () => {
    h = await createFmHarness("wizard_episode_mapping");
    show = await seedEntity(h.db, { kind: "series", title: "Kusuriya no Hitorigoto", year: 2023 });
    await h.db
      .updateTable("media_entity")
      .set({ metadata: JSON.stringify({ airStatus: { value: "Ended", source: "tmdb" } }) })
      .where("id", "=", show)
      .execute();
    for (const [season, total] of [
      [1, 12],
      [2, 13],
    ] as const) {
      await h.db
        .insertInto("content_unit")
        .values({
          media_entity_id: show,
          kind: "season",
          season_number: season,
          episode_total: total,
          status: "confirmed",
          source: "tmdb",
        })
        .execute();
    }
    await writeFile(join(h.dl, auto), "a".repeat(64));
    await writeFile(join(h.dl, manual), "m".repeat(64));
    await writeFile(join(h.dl, pending), "p".repeat(64));
  });
  afterAll(async () => h?.close());

  const organize = async (item: Record<string, unknown>) => {
    const items = [{ root: h.dlRoot, mediaEntityId: show, ...item }];
    const dry = await h.api("POST", "/files/organize", { idempotencyKey: key(), action: "copy", dryRun: true, items });
    expect(dry.status).toBe(200);
    const group = dry.body.data.groups[0];
    expect(group.error).toBeNull();
    const exec = await h.api("POST", "/files/organize", {
      idempotencyKey: key(),
      action: "copy",
      dryRun: false,
      items,
      planIds: [group.planId],
    });
    expect(exec.status).toBe(200);
    expect(exec.body.data.recordIds).toHaveLength(1);
    const result = await executeRecord(h.module.deps().ao, exec.body.data.recordIds[0]);
    expect(result.status).toBe("succeeded");
    return group.files[0] as { target: string };
  };

  const unitsOf = async (target: string) =>
    h.db
      .selectFrom("asset_location as l")
      .innerJoin("asset_unit_coverage as au", "au.media_asset_id", "l.media_asset_id")
      .innerJoin("content_unit as u", "u.id", "au.content_unit_id")
      .select(["u.season_number", "u.episode_number"])
      .where("l.relative_path", "like", `%${target.split("/").pop()}`)
      .execute();

  it("识别:集数待确认的项带 episodeUnresolved,能映射的不带", async () => {
    const r = await h.api(
      "POST",
      "/files/identify",
      {
        items: [
          { root: h.dlRoot, path: auto },
          { root: h.dlRoot, path: pending },
        ],
        minSizeBytes: 0,
      },
      READ_KEY,
    );
    expect(r.status).toBe(200);
    const [ok, bad] = r.body.data.items;
    expect(ok.parsed).toMatchObject({ season: 2, episodes: [13] });
    expect(ok.episodeUnresolved).toBeUndefined();
    expect(bad.episodeUnresolved).toBe(true);
  });

  it("不改季集直接执行:`- 25` 按作品季表入库为 S02E13", async () => {
    const file = await organize({ path: auto });
    expect(file.target).toMatch(/Season 2\/.*S02E13/);
    expect(await readFile(file.target, "utf8")).toBe("a".repeat(64));
    expect(await unitsOf(file.target)).toEqual([{ season_number: 2, episode_number: 13 }]);
  });

  it("用户显式改季集:按用户值入库", async () => {
    const file = await organize({ path: manual, season: 2, episodes: [12] });
    expect(file.target).toMatch(/Season 2\/.*S02E12/);
    expect(await unitsOf(file.target)).toEqual([{ season_number: 2, episode_number: 12 }]);
  });
});