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 writeState: (typeof import("../src/lib/boss-data"))["writeState"];
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;
  writeState = data.writeState;
  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);
}

function buildSingleThreadProject(projectId: string) {
  return {
    id: projectId,
    name: "测试线程",
    pinned: false,
    systemPinned: false,
    deviceIds: ["mac-studio"],
    preview: "测试线程等待继续处理。",
    updatedAt: "2026-04-04T11:30:00+08:00",
    lastMessageAt: "2026-04-04T11:30:00+08:00",
    isGroup: false,
    threadMeta: {
      projectId,
      threadId: `${projectId}-thread`,
      threadDisplayName: "测试线程",
      folderName: "测试项目",
      activityIconCount: 0,
      updatedAt: "2026-04-04T11:30:00+08:00",
      codexThreadRef: `${projectId}-thread`,
      codexFolderRef: `/Users/kris/code/${projectId}`,
    },
    groupMembers: [],
    createdByAgent: true,
    collaborationMode: "development" as const,
    approvalState: "not_required" as const,
    unreadCount: 0,
    riskLevel: "low" as const,
    messages: [],
    goals: [],
    versions: [],
  };
}

function buildProjectFolderKey(project: ReturnType<typeof buildSingleThreadProject>) {
  const folderRef = (project.threadMeta.codexFolderRef?.trim() || project.threadMeta.folderName.trim()).toLowerCase();
  return `${project.deviceIds[0]}:${folderRef}`;
}

async function ensureSingleThreadProject() {
  const state = await readState();
  const existing = findSingleThreadProject(state);
  if (existing) {
    return existing;
  }
  const project = buildSingleThreadProject("single-thread-test");
  await writeState({
    ...state,
    projects: state.projects.concat(project),
  });
  const nextState = await readState();
  return findSingleThreadProject(nextState);
}

test("POST /api/v1/projects/[projectId]/messages enqueues a conversation task for single-thread projects", async () => {
  await setup();
  const singleProject = await ensureSingleThreadProject();
  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/projects/[projectId]/messages blocks single-thread sends when the target device prefers gui mode", async () => {
  await setup();
  const singleProject = await ensureSingleThreadProject();
  assert.ok(singleProject, "expected a seeded single-thread project");

  const state = await readState();
  const targetDevice = state.devices.find((device) => device.id === singleProject.deviceIds[0]);
  assert.ok(targetDevice, "expected a seeded target device");
  targetDevice.preferredExecutionMode = "gui";
  await writeState(state);

  const response = await postMessageRoute(
    await createAuthedRequest(
      `http://127.0.0.1:3000/api/v1/projects/${singleProject.id}/messages`,
      "POST",
      { body: "继续推进当前线程" },
    ),
    { params: Promise.resolve({ projectId: singleProject.id }) },
  );
  assert.equal(response.status, 409);

  const payload = (await response.json()) as {
    ok: boolean;
    code?: string;
    message?: string;
    executionConflict?: {
      projectId: string;
      deviceId: string;
      preferredExecutionMode: "gui" | "cli";
      allowPolicy: "forbid" | "allow_once" | "allow_always";
      conflictState: "none" | "warning" | "blocked";
      reason: string;
      actions: string[];
    };
  };

  assert.equal(payload.ok, false);
  assert.equal(payload.code, "THREAD_EXECUTION_CONFLICT");
  assert.equal(payload.executionConflict?.projectId, singleProject.id);
  assert.equal(payload.executionConflict?.deviceId, singleProject.deviceIds[0]);
  assert.equal(payload.executionConflict?.preferredExecutionMode, "gui");
  assert.equal(payload.executionConflict?.allowPolicy, "forbid");
  assert.equal(payload.executionConflict?.conflictState, "blocked");
  assert.equal(payload.executionConflict?.reason, "preferred_gui_mode");
  assert.deepEqual(payload.executionConflict?.actions, ["forbid", "allow_once", "allow_always"]);

  const nextState = await readState();
  const updatedProject = nextState.projects.find((project) => project.id === singleProject.id);
  const blockedMessage = updatedProject?.messages.find((message) => message.body.includes("继续推进当前线程"));
  assert.equal(blockedMessage, undefined, "blocked send should not append a local chat message");
  const queuedTask = nextState.masterAgentTasks.find(
    (item) =>
      item.taskType === "conversation_reply" &&
      item.projectId === singleProject.id &&
      item.requestText === "继续推进当前线程",
  );
  assert.equal(queuedTask, undefined, "blocked send should not enqueue a conversation task");
});

test("POST /api/v1/projects/[projectId]/messages blocks single-thread sends when the current project folder is forbidden", async () => {
  await setup();
  const singleProject = await ensureSingleThreadProject();
  assert.ok(singleProject, "expected a seeded single-thread project");

  const state = await readState();
  const targetDevice = state.devices.find((device) => device.id === singleProject.deviceIds[0]);
  assert.ok(targetDevice, "expected a seeded target device");
  targetDevice.preferredExecutionMode = "cli";
  state.projectExecutionPolicies = [
    {
      deviceId: singleProject.deviceIds[0],
      folderKey: buildProjectFolderKey(singleProject),
      projectId: singleProject.id,
      allowPolicy: "forbid",
      conflictState: "blocked",
      updatedAt: "2026-04-06T13:20:00.000Z",
    },
  ];
  await writeState(state);

  const response = await postMessageRoute(
    await createAuthedRequest(
      `http://127.0.0.1:3000/api/v1/projects/${singleProject.id}/messages`,
      "POST",
      { body: "继续同步项目进度" },
    ),
    { params: Promise.resolve({ projectId: singleProject.id }) },
  );
  assert.equal(response.status, 409);

  const payload = (await response.json()) as {
    ok: boolean;
    code?: string;
    executionConflict?: {
      projectId: string;
      folderKey?: string;
      preferredExecutionMode: "gui" | "cli";
      allowPolicy: "forbid" | "allow_once" | "allow_always";
      conflictState: "none" | "warning" | "blocked";
      reason: string;
    };
  };

  assert.equal(payload.ok, false);
  assert.equal(payload.code, "THREAD_EXECUTION_CONFLICT");
  assert.equal(payload.executionConflict?.projectId, singleProject.id);
  assert.equal(payload.executionConflict?.folderKey, buildProjectFolderKey(singleProject));
  assert.equal(payload.executionConflict?.preferredExecutionMode, "cli");
  assert.equal(payload.executionConflict?.allowPolicy, "forbid");
  assert.equal(payload.executionConflict?.conflictState, "blocked");
  assert.equal(payload.executionConflict?.reason, "project_conflict_forbid");

  const nextState = await readState();
  const updatedProject = nextState.projects.find((project) => project.id === singleProject.id);
  const blockedMessage = updatedProject?.messages.find((message) => message.body.includes("继续同步项目进度"));
  assert.equal(blockedMessage, undefined, "blocked send should not append a local chat message");
  const queuedTask = nextState.masterAgentTasks.find(
    (item) =>
      item.taskType === "conversation_reply" &&
      item.projectId === singleProject.id &&
      item.requestText === "继续同步项目进度",
  );
  assert.equal(queuedTask, undefined, "blocked send should not enqueue a conversation task");
});

test("POST /api/v1/master-agent/tasks/[taskId]/complete writes the raw thread reply back to the single-thread project", async () => {
  await setup();
  const singleProject = await ensureSingleThreadProject();
  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");
});

test("POST /api/v1/master-agent/tasks/[taskId]/complete blocks leaked thread environment diagnostics from the chat transcript", async () => {
  await setup();
  const singleProject = await ensureSingleThreadProject();
  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: "请继续推进当前线程" },
    ),
    { 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:
          "我不能直接把当前会话环境从只读改回可写，也不能替你修改这层运行配置。cwd 我可以在命令里指向 /Users/kris/code/gptpluscontrol。",
      },
    ),
    { 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 leakedReply = updatedProject?.messages.find((message) =>
    message.body.includes("当前会话环境从只读改回可写"),
  );
  assert.equal(leakedReply, undefined);

  const opsNotice = updatedProject?.messages.find((message) =>
    message.body.includes("线程环境异常，请重新绑定到正确项目或工作目录后再试。"),
  );
  assert.ok(opsNotice, "expected a user-facing system notice instead of raw environment diagnostics");
});