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 completeMasterTaskRoute: (typeof import("../src/app/api/v1/master-agent/tasks/[taskId]/complete/route"))["POST"];
let createAuthSession: (typeof import("../src/lib/boss-data"))["createAuthSession"];
let readState: (typeof import("../src/lib/boss-data"))["readState"];
let AUTH_SESSION_COOKIE = "";

async function setup() {
  if (runtimeRoot) {
    return;
  }

  runtimeRoot = await mkdtemp(path.join(os.tmpdir(), "boss-single-thread-message-"));
  process.env.BOSS_RUNTIME_ROOT = runtimeRoot;
  process.env.BOSS_STATE_FILE = path.join(runtimeRoot, "boss-state.json");

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

  postMessageRoute = messageModule.POST;
  completeMasterTaskRoute = completeModule.POST;
  createAuthSession = data.createAuthSession;
  readState = data.readState;
  AUTH_SESSION_COOKIE = auth.AUTH_SESSION_COOKIE;
}

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

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

  return new NextRequest(url, {
    method,
    headers: {
      "content-type": "application/json",
      cookie: `${AUTH_SESSION_COOKIE}=${session.sessionToken}`,
    },
    body: JSON.stringify(body),
  });
}

function findSingleThreadProject(
  state: Awaited<ReturnType<typeof readState>>,
) {
  return state.projects.find((project) => project.id !== "master-agent" && !project.isGroup);
}

test("POST /api/v1/projects/[projectId]/messages enqueues a conversation task for single-thread projects", async () => {
  await setup();
  const state = await readState();
  const singleProject = findSingleThreadProject(state);
  assert.ok(singleProject, "expected a seeded single-thread project");

  const response = await postMessageRoute(
    await createAuthedRequest(
      `http://127.0.0.1:3000/api/v1/projects/${singleProject.id}/messages`,
      "POST",
      { body: "请同步一下当前阻塞情况" },
    ),
    { params: Promise.resolve({ projectId: singleProject.id }) },
  );
  assert.equal(response.status, 200);

  const payload = (await response.json()) as {
    ok: boolean;
    task?: { taskId: string; taskType: string; status: string } | null;
    dispatchPlan: null;
  };

  assert.equal(payload.ok, true);
  assert.equal(payload.dispatchPlan, null);
  assert.ok(payload.task, "expected single-thread message to return a queued task");
  assert.equal(payload.task?.taskType, "conversation_reply");
  assert.equal(payload.task?.status, "queued");

  const nextState = await readState();
  const task = nextState.masterAgentTasks.find(
    (item) =>
      item.taskType === "conversation_reply" &&
      item.projectId === singleProject.id &&
      item.requestText === "请同步一下当前阻塞情况",
  );
  assert.ok(task, "expected a queued conversation_reply task for the single-thread project");
  assert.equal(task?.targetProjectId, singleProject.id);
  assert.equal(task?.targetThreadId, singleProject.threadMeta.threadId);
  assert.ok(task?.executionPrompt?.includes("请同步一下当前阻塞情况"));
  assert.ok(task?.executionPrompt?.includes(singleProject.threadMeta.threadDisplayName));
  assert.ok(!task?.executionPrompt?.includes("threadProjectId:"), "thread prompt should not include project id labels");
  assert.ok(!task?.executionPrompt?.includes("folderName:"), "thread prompt should not include folder labels");
  assert.ok(!task?.executionPrompt?.includes("deviceIds:"), "thread prompt should not include device id labels");
});

test("POST /api/v1/master-agent/tasks/[taskId]/complete writes the raw thread reply back to the single-thread project", async () => {
  await setup();
  const state = await readState();
  const singleProject = findSingleThreadProject(state);
  assert.ok(singleProject, "expected a seeded single-thread project");

  await postMessageRoute(
    await createAuthedRequest(
      `http://127.0.0.1:3000/api/v1/projects/${singleProject.id}/messages`,
      "POST",
      { body: "请同步一下当前阻塞情况" },
    ),
    { params: Promise.resolve({ projectId: singleProject.id }) },
  );

  const queuedState = await readState();
  const task = queuedState.masterAgentTasks.find(
    (item) =>
      item.taskType === "conversation_reply" &&
      item.projectId === singleProject.id &&
      item.targetProjectId === singleProject.id,
  );
  assert.ok(task, "expected a queued conversation_reply task");

  const response = await completeMasterTaskRoute(
    await createAuthedRequest(
      `http://127.0.0.1:3000/api/v1/master-agent/tasks/${task.taskId}/complete`,
      "POST",
      {
        deviceId: task.deviceId,
        status: "completed",
        targetProjectId: singleProject.id,
        targetThreadId: singleProject.threadMeta.threadId,
        replyBody: "当前阻塞点已经同步：视觉验收待今晚回归。",
      },
    ),
    { params: Promise.resolve({ taskId: task.taskId }) },
  );
  assert.equal(response.status, 200);

  const nextState = await readState();
  const updatedProject = nextState.projects.find((project) => project.id === singleProject.id);
  const mirroredReply = updatedProject?.messages.find((message) =>
    message.body.includes("当前阻塞点已经同步：视觉验收待今晚回归。"),
  );
  assert.ok(mirroredReply, "expected single-thread reply to be written back to the project");
  assert.equal(mirroredReply?.sender, "device");
});