import test from "node:test";
import assert from "node:assert/strict";
import os from "node:os";
import path from "node:path";
import { mkdtemp, rm } from "node:fs/promises";
import { NextRequest } from "next/server";

let runtimeRoot = "";
let postMessageRoute: (typeof import("../src/app/api/v1/projects/[projectId]/messages/route"))["POST"];
let createAuthSession: (typeof import("../src/lib/boss-data"))["createAuthSession"];
let readState: (typeof import("../src/lib/boss-data"))["readState"];
let writeState: (typeof import("../src/lib/boss-data"))["writeState"];
let AUTH_SESSION_COOKIE = "";
let baseState: Awaited<ReturnType<typeof import("../src/lib/boss-data")["readState"]>>;

async function setup() {
  if (runtimeRoot) return;
  runtimeRoot = await mkdtemp(path.join(os.tmpdir(), "boss-thread-preflight-"));
  process.env.BOSS_RUNTIME_ROOT = runtimeRoot;
  process.env.BOSS_STATE_FILE = path.join(runtimeRoot, "boss-state.json");

  const [messageModule, data, auth] = await Promise.all([
    import("../src/app/api/v1/projects/[projectId]/messages/route.ts"),
    import("../src/lib/boss-data.ts"),
    import("../src/lib/boss-auth.ts"),
  ]);

  postMessageRoute = messageModule.POST;
  createAuthSession = data.createAuthSession;
  readState = data.readState;
  writeState = data.writeState;
  baseState = structuredClone(await readState());
  AUTH_SESSION_COOKIE = auth.AUTH_SESSION_COOKIE;
}

test.after(async () => {
  if (runtimeRoot) {
    await rm(runtimeRoot, { recursive: true, force: true });
  }
});

test.beforeEach(async () => {
  await setup();
  await writeState(structuredClone(baseState));
});

async function createAuthedRequest(projectId: string, body: { body: string }) {
  const session = await createAuthSession({
    account: "17600003315",
    role: "highest_admin",
    displayName: "Boss 超级管理员",
    loginMethod: "password",
  });

  return new NextRequest(`http://127.0.0.1:3000/api/v1/projects/${projectId}/messages`, {
    method: "POST",
    headers: {
      "content-type": "application/json",
      cookie: `${AUTH_SESSION_COOKIE}=${session.sessionToken}`,
    },
    body: JSON.stringify(body),
  });
}

test("single-thread message rejects projects without a real codex thread binding", async () => {
  await setup();
  const state = await readState();
  const singleProject = state.projects.find(
    (project) => project.id !== "master-agent" && !project.isGroup,
  );
  assert.ok(singleProject, "expected a seeded single-thread project");

  await writeState({
    ...state,
    projects: state.projects.map((project) =>
      project.id === singleProject.id
        ? {
            ...project,
            threadMeta: {
              ...project.threadMeta,
              codexThreadRef: undefined,
            },
          }
        : project,
    ),
  });

  const response = await postMessageRoute(
    await createAuthedRequest(singleProject.id, { body: "请继续处理这个线程" }),
    { params: Promise.resolve({ projectId: singleProject.id }) },
  );

  assert.equal(response.status, 400);
  const payload = (await response.json()) as { ok: boolean; code: string; message: string };
  assert.equal(payload.ok, false);
  assert.equal(payload.code, "THREAD_BINDING_REQUIRED");
  assert.equal(payload.message, "当前线程还没有绑定真实 Codex 线程，请先重新导入该线程后再试。");

  const nextState = await readState();
  const queuedTask = nextState.masterAgentTasks.find(
    (task) => task.projectId === singleProject.id && task.taskType === "conversation_reply",
  );
  assert.equal(queuedTask, undefined);
});