import { afterAll, beforeAll, describe, expect, it } from "vitest";
import { type BrowserHarness, createBrowserHarness, type Loose, ORIGIN, pgAvailable } from "./harness.ts";

// BR-3 浏览器服务重启后自愈(对 testkit mock camofox):容器重启 → 旧标签页 410、GET /tabs 为空、实例标识换新、
// profile 登录态丢失(SIGKILL 未落盘)。任一会话操作 → 注入账号 Cookie → 同一会话新开标签页回到原地址 → 重试原操作;
// 失败 503 browser_reconnect_failed;POST .../reconnect 幂等;人工接管中重连控制权不变并提示核对。

const up = await pgAvailable();
const GOOD = "good-session-value-br3";

describe.skipIf(!up)("BR-3 浏览器服务重启后自动重连", () => {
  let h: BrowserHarness;

  const setCookieAccount = async (cookie: string) => {
    const ref = await h.secrets.create({ purpose: "site_cookie", plaintext: cookie });
    await h.db
      .updateTable("site_account")
      .set({ auth_kind: "cookie", secret_ref: ref, session_secret_ref: null, status: "active", user_info: "{}" })
      .where("id", "=", h.accountId)
      .execute();
  };
  const open = async (path: string) =>
    (await h.req("/browser/sessions", { body: { siteId: h.siteId, accountId: h.accountId, url: `${ORIGIN}${path}` } }))
      .body.data as Loose;
  const closeAll = async () => {
    for (const s of (await h.req("/browser/sessions")).body.data.items as Loose[])
      await h.req(`/browser/sessions/${s.id}`, { method: "DELETE" });
  };
  const tabRow = (upstream: string) =>
    h.db.selectFrom("browser_tab").selectAll().where("upstream_tab_id", "=", upstream).executeTakeFirstOrThrow();
  const cookiePosts = (profileKey: string) =>
    h.mock.callsTo(`/umt/sessions/${encodeURIComponent(profileKey)}/cookies`).filter((c) => c.method === "POST").length;

  beforeAll(async () => {
    h = await createBrowserHarness("br3", {
      sessionCookie: { name: "c_secure_pass", valid: [GOOD], fresh: "fresh-br3" },
    });
    await setCookieAccount(`c_secure_uid=1001; c_secure_pass=${GOOD}`);
  }, 120_000);
  afterAll(async () => {
    await h?.close();
  });

  it("重启后截图:标签页 410 → 注入 Cookie、新开标签页回到原地址、重试成功;旧标签页标 lost", async () => {
    const s = await open("/details.php?id=42");
    expect(s.currentUrl).toBe(`${ORIGIN}/details.php?id=42`);
    const old = s.currentTabId as string;
    const injected = cookiePosts(s.profileKey);

    h.mock.restart({ loseProfiles: true });
    const r = await h.req(`/browser/sessions/${s.id}/screenshot`);
    expect(r.status).toBe(200);
    expect(r.body.data.url).toBe(`${ORIGIN}/details.php?id=42`);

    // Cookie 注入先于新标签页;profile 丢了登录态也能回到受保护页(不是登录页)
    expect(cookiePosts(s.profileKey)).toBe(injected + 1);
    const calls = h.mock.calls.map((c) => `${c.method} ${c.path}`);
    expect(calls.lastIndexOf(`POST /umt/sessions/${encodeURIComponent(s.profileKey)}/cookies`)).toBeLessThan(
      calls.lastIndexOf("POST /tabs"),
    );
    const tab = [...h.mock.tabs.values()].find((t) => t.userId === s.profileKey)!;
    expect(tab.sessionKey).toBe(s.id);
    expect(tab.url).toBe(`${ORIGIN}/details.php?id=42`);
    expect(h.mock.loggedIn.has(s.profileKey)).toBe(true);

    const v = (await h.req(`/browser/sessions/${s.id}`)).body.data as Loose;
    expect(v.currentTabId).toBe(tab.tabId);
    expect(v.currentTabId).not.toBe(old);
    expect(v).toMatchObject({ controller: "automation", needsReconnect: false, needsSnapshot: true });
    expect(v.reconnect).toMatchObject({ status: "ok", humanNotice: false, reason: null });
    expect((await tabRow(old)).status).toBe("lost");
    expect(JSON.stringify(v)).not.toContain(GOOD);
    await closeAll();
  });

  it("重启检测:实例标识变了 → 会话标需要重连;POST .../reconnect 幂等", async () => {
    const s = await open("/torrents.php");
    h.mock.restart();
    // 会话详情轮询发现重启(实例标识缓存 5 秒:用显式 reconnect 强制刷新)
    const r1 = await h.req(`/browser/sessions/${s.id}/reconnect`, { body: {} });
    expect(r1.status).toBe(200);
    expect(r1.body.data).toMatchObject({
      needsReconnect: false,
      reconnect: { status: "ok", trigger: "provider_restarted" },
    });
    expect(r1.body.data.currentUrl).toBe(`${ORIGIN}/torrents.php`);

    const opened = h.mock.callsTo(/^\/tabs$/).filter((c) => c.method === "POST").length;
    const r2 = await h.req(`/browser/sessions/${s.id}/reconnect`, { body: {} });
    expect(r2.status).toBe(200);
    expect(r2.body.data.currentTabId).toBe(r1.body.data.currentTabId);
    expect(h.mock.callsTo(/^\/tabs$/).filter((c) => c.method === "POST").length).toBe(opened);

    // Agent 快照也走同一条自愈
    h.mock.restart();
    const snap = await h.req(`/browser/sessions/${s.id}/snapshot`);
    expect(snap.status).toBe(200);
    expect(snap.body.data.url).toBe(`${ORIGIN}/torrents.php`);
    await closeAll();
  });

  it("人工接管中重连:控制者与租约不变,提示页面已重新加载", async () => {
    const s = await open("/torrents.php");
    const acq = await h.req(`/browser/sessions/${s.id}/control/acquire`, { body: { reason: "核对" } });
    const leaseId = acq.body.data.lease.id;
    h.mock.restart();
    const r = await h.req(`/browser/sessions/${s.id}/screenshot`);
    expect(r.status).toBe(200);
    expect(r.body.data.controller).toBe("human");
    const v = (await h.req(`/browser/sessions/${s.id}`)).body.data as Loose;
    expect(v.lease).toMatchObject({ id: leaseId, status: "active" });
    expect(v.reconnect).toMatchObject({ status: "ok", humanNotice: true });
    // 接管者的输入照常可用
    const nav = await h.req(`/browser/sessions/${s.id}/navigate`, { body: { url: `${ORIGIN}/index.php` } });
    expect(nav.status).toBe(200);
    await closeAll();
  });

  it("重连失败:503 browser_reconnect_failed 带原因;短时间内不反复重连;恢复后手动重连成功", async () => {
    const s = await open("/torrents.php");
    h.mock.restart();
    h.mock.fault(/^\/tabs$/, { status: 500, times: 10 });
    const r = await h.req(`/browser/sessions/${s.id}/screenshot`);
    expect(r.status).toBe(503);
    expect(r.body.error.code).toBe("browser_reconnect_failed");
    expect(r.body.error.message).toContain("HTTP 500");
    const v = (await h.req(`/browser/sessions/${s.id}`)).body.data as Loose;
    expect(v).toMatchObject({ needsReconnect: true, reconnect: { status: "failed", trigger: "tab_gone" } });

    // 退避期内的截图直接报上次原因,不再打上游
    const before = h.mock.calls.length;
    const again = await h.req(`/browser/sessions/${s.id}/screenshot`);
    expect(again.status).toBe(503);
    expect(h.mock.calls.slice(before).some((c) => c.path === "/tabs")).toBe(false);

    h.mock.clearFaults();
    const ok = await h.req(`/browser/sessions/${s.id}/reconnect`, { body: {} });
    expect(ok.status).toBe(200);
    expect(ok.body.data).toMatchObject({ needsReconnect: false, reconnect: { status: "ok" } });
    expect((await h.req(`/browser/sessions/${s.id}/screenshot`)).status).toBe(200);
    await closeAll();
  });
});