import { mkdir, writeFile } from "node:fs/promises";
import { join } from "node:path";
import { afterAll, beforeAll, describe, expect, it } from "vitest";
import { parsedHintOf } from "../../src/modules/file-manager/hint.ts";
import { posterUrlOf } from "../../src/modules/file-manager/identify.ts";
import { createFmHarness, type FmHarness, pgAvailable, READ_KEY, seedDownload } from "./harness.ts";

// C1-C 契约收尾:G6 下载目录待识别计数 / G7 列表轻量解析 parsedHint / G8 候选海报 posterUrl。

describe("G7 parsedHintOf / G8 posterUrlOf(纯函数)", () => {
  it("剧集:标题 · 季集 · 分辨率;父目录补标题", () => {
    expect(parsedHintOf("The.Last.of.Us.S01E02.1080p.WEB-DL.mkv")).toBe("The Last of Us · S01E02 · 1080p");
    expect(parsedHintOf("The.Bear.S01.1080p/The.Bear.S01E01.1080p.WEB-DL-GRP.mkv")).toMatch(
      /^The Bear · S01E01 · 1080p$/,
    );
  });
  it("电影带年份;解析不出标题为 null", () => {
    expect(parsedHintOf("Oppenheimer.2023.2160p.BluRay.x265.mkv")).toBe("Oppenheimer (2023) · 2160p");
    expect(parsedHintOf("")).toBeNull();
  });
  it("posterUrl:相对 poster_path 拼 w154,完整 URL 原样,空为 null", () => {
    expect(posterUrlOf("/abc.jpg")).toBe("https://image.tmdb.org/t/p/w154/abc.jpg");
    expect(posterUrlOf("https://img.example/x.jpg")).toBe("https://img.example/x.jpg");
    expect(posterUrlOf(null)).toBeNull();
    expect(posterUrlOf("")).toBeNull();
  });
});

const skip = !(await pgAvailable());

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

describe.skipIf(skip)("files G6/G7(列表与根)", () => {
  let h: FmHarness;
  beforeAll(async () => {
    h = await createFmHarness("g678");
    await writeFile(join(h.dl, "The.Last.of.Us.S01E02.1080p.WEB-DL.mkv"), "v");
    await writeFile(join(h.dl, "notes.txt"), "t");
    await writeFile(join(h.dl, "Half.Done.2024.1080p.mkv.!qB"), "p");
    await mkdir(join(h.dl, "Show.S02"), { recursive: true });
    await writeFile(join(h.dl, "Show.S02", "Show.S02E01.720p.mkv"), "v");
    // 纳管下载任务内容(做种)不算待识别
    await mkdir(join(h.dl, "Seeding.Film.2020.1080p"), { recursive: true });
    await writeFile(join(h.dl, "Seeding.Film.2020.1080p", "Seeding.Film.2020.1080p.mkv"), "v");
    await seedDownload(h.db, h, { name: "Seeding.Film.2020.1080p", status: "completed" });
  });
  afterAll(async () => {
    await h?.close();
  });

  it("G6:下载目录带 pendingCount(递归、排除临时与做种),库根为 null", async () => {
    const r = await h.api("GET", "/files/roots", undefined, READ_KEY);
    expect(r.status).toBe(200);
    const dl = r.body.data.items.find((x: Loose) => x.id === h.dlRoot);
    const lib = r.body.data.items.find((x: Loose) => x.id === h.libRoot);
    expect(dl).toMatchObject({ pendingCount: 2, pendingPartial: false });
    expect(lib).toMatchObject({ pendingCount: null, pendingPartial: false });
  });

  it("G7:待识别视频行带 parsedHint,其它行为 null", async () => {
    const r = await h.api("GET", `/files?root=${encodeURIComponent(h.dlRoot)}`, undefined, READ_KEY);
    expect(r.status).toBe(200);
    const by = (n: string) => r.body.data.entries.find((x: Loose) => x.name === n);
    expect(by("The.Last.of.Us.S01E02.1080p.WEB-DL.mkv")).toMatchObject({
      status: "unidentified",
      parsedHint: "The Last of Us · S01E02 · 1080p",
    });
    expect(by("notes.txt").parsedHint).toBeNull();
    expect(by("Show.S02").parsedHint).toBeNull();
  });
});