import { existsSync } from "node:fs";
import { createTempTree, type TempTree } from "@umt/testkit";
import { afterAll, afterEach, beforeAll, describe, expect, it } from "vitest";
import { HookRegistry } from "../../src/hooks/index.ts";
import { executeRecord, planImport } from "../../src/modules/acquisition-organize/services/organize.ts";
import { createHarness, type Harness, pgAvailable, seedBase, seedEntity } from "../acquisition-organize/harness.ts";

// 整理上的链式钩子(ADR-006):organize.rename 改写目标文件名(字幕跟着改)、organize.intercept 拒绝整理;
// 钩子出错不影响整理。整理结束发 organization.finished。

const hasPg = await pgAvailable();
const SIZE = 200_000;
const DIR = "Inception.2010.1080p.BluRay.x264-GRP";
const VIDEO = `${DIR}/Inception.2010.1080p.BluRay.x264-GRP.mkv`;
const SUB = `${DIR}/Inception.2010.1080p.BluRay.x264-GRP.chs.srt`;

describe.skipIf(!hasPg)("整理钩子:改名与拦截(真实 PG + 临时目录)", () => {
  let h: Harness;
  let lib: TempTree;
  let src: TempTree;
  let entity = "";
  const req = () => ({
    sourcePaths: [src.path(DIR)],
    mediaEntityId: entity,
    action: "copy" as const,
    trigger: "manual" as const,
    actorType: "user" as const,
  });

  beforeAll(async () => {
    lib = await createTempTree({}, { sentinel: true, prefix: "umt-hklib-" });
    src = await createTempTree({ [VIDEO]: SIZE, [SUB]: 2_000 }, { prefix: "umt-hksrc-" });
    h = await createHarness("organize_hooks");
    await seedBase(h.db, { libraryPath: lib.root, cachePath: src.root, qbUrl: "http://127.0.0.1:9" });
    await h.setSettings("organize", { scrapeAfterImport: false });
    entity = await seedEntity(h.db, { kind: "movie", title: "盗梦空间", year: 2010 });
    await h.db.updateTable("media_entity").set({ original_title: "Inception" }).where("id", "=", entity).execute();
  }, 60_000);
  afterEach(() => {
    h.ctx.hooks = undefined;
  });
  afterAll(async () => {
    await h?.close();
    for (const t of [lib, src]) await t?.cleanup();
  });

  it("拦截:钩子返回原因 → 记录失败(intercepted:<原因>),不动文件;整理结束事件 outcome=failed", async () => {
    const hooks = new HookRegistry();
    const seen: string[][] = [];
    hooks.forModule("test").intercept("organize.intercept", (c) => {
      seen.push(c.files.map((f) => `${f.role}:${f.kind}`));
      return c.action === "copy" ? "演示：不许复制" : null;
    });
    h.ctx.hooks = hooks;
    const plan = await planImport(h.d, req());
    expect(plan).toMatchObject({ status: "failed", reason: "intercepted:演示：不许复制" });
    expect(seen).toEqual([["main:video", "sidecar:subtitle"]]);
    const rec = await h.db
      .selectFrom("organization_record")
      .select(["status", "error"])
      .where("id", "=", plan.recordId!)
      .executeTakeFirstOrThrow();
    expect(rec).toMatchObject({ status: "failed", error: { hook: "test#1", reason: "演示：不许复制" } });
    const fin = (await h.outbox("organization.finished")).filter((r) => r.payload.recordId === plan.recordId);
    expect(fin.map((r) => [r.payload.outcome, r.payload.reason])).toEqual([["failed", "intercepted:演示：不许复制"]]);
  });

  it("改名:主视频按钩子返回的文件名入库,同主干的字幕跟着改;成功后发 organization.finished", async () => {
    const hooks = new HookRegistry();
    const ctxs: unknown[] = [];
    hooks.forModule("test").rewrite("organize.rename", (name, c) => {
      ctxs.push({ name, mediaType: c.mediaType, mediaEntityId: c.mediaEntityId });
      return name.replace(/\.mkv$/, " [自定义].mkv");
    });
    // 返回带路径分隔符的结果会被忽略(排在后面,拿到的是上一个钩子的结果)
    hooks.forModule("bad").rewrite("organize.rename", (name) => `../${name}`);
    h.ctx.hooks = hooks;
    const plan = await planImport(h.d, req());
    expect(plan.status).toBe("running");
    const ex = await executeRecord(h.d, plan.recordId!);
    expect(ex.status).toBe("succeeded");
    expect(ctxs).toEqual([{ name: expect.stringMatching(/\.mkv$/), mediaType: "movie", mediaEntityId: entity }]);
    const files = await h.db
      .selectFrom("organization_file_result")
      .select(["target_path", "status"])
      .where("organization_record_id", "=", plan.recordId!)
      .execute();
    const targets = files.map((f) => f.target_path ?? "").sort();
    expect(targets).toHaveLength(2);
    const video = targets.find((t) => t.endsWith(".mkv"))!;
    const sub = targets.find((t) => t.endsWith(".srt"))!;
    expect(video).toMatch(/ \[自定义\]\.mkv$/);
    const stem = video.slice(0, -".mkv".length);
    expect(sub.startsWith(stem)).toBe(true);
    expect(existsSync(`${lib.root}/${video}`) || existsSync(video)).toBe(true);
    const fin = (await h.outbox("organization.finished")).filter((r) => r.payload.recordId === plan.recordId);
    expect(fin.map((r) => r.payload.outcome)).toEqual(["succeeded"]);
  });

  it("钩子出错 / 超时不影响整理:按模板名照常生成计划", async () => {
    const hooks = new HookRegistry();
    hooks.forModule("broken").rewrite("organize.rename", () => {
      throw new Error("坏了");
    });
    hooks.forModule("broken").intercept("organize.intercept", () => new Promise<string>(() => {}), { timeoutMs: 20 });
    h.ctx.hooks = hooks;
    const plan = await planImport(h.d, { ...req(), dryRun: true, action: "move" });
    expect(plan.status).toBe("queued");
    const main = plan.plan!.organize.files.find((f) => f.role === "main")!;
    expect(main.dst).not.toContain("自定义");
  });
});