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 getDispatchPlansRoute: (typeof import("../src/app/api/v1/projects/[projectId]/dispatch-plans/route"))["GET"];
let confirmDispatchPlanRoute: (typeof import("../src/app/api/v1/projects/[projectId]/dispatch-plans/[planId]/confirm/route"))["POST"];
let createAuthSession: (typeof import("../src/lib/boss-data"))["createAuthSession"];
let createProjectGroupChat: (typeof import("../src/lib/boss-data"))["createProjectGroupChat"];
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-task4-"));
  process.env.BOSS_RUNTIME_ROOT = runtimeRoot;
  process.env.BOSS_STATE_FILE = path.join(runtimeRoot, "boss-state.json");

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

  postMessageRoute = messageModule.POST;
  getDispatchPlansRoute = plansModule.GET;
  confirmDispatchPlanRoute = confirmModule.POST;
  createAuthSession = data.createAuthSession;
  createProjectGroupChat = data.createProjectGroupChat;
  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: "GET" | "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: body ? JSON.stringify(body) : undefined,
  });
}

async function ensureTwoSingleThreadProjects() {
  const state = await readState();
  const singles = state.projects.filter((project) => project.id !== "master-agent" && !project.isGroup);
  if (singles.length >= 2) {
    return singles;
  }

  assert.ok(singles[0], "expected at least one seeded single-thread project");
  const seed = singles[0];
  const clonedProject = {
    ...seed,
    id: "boss-console-clone",
    name: "Boss 移动控制台副线程",
    deviceIds: ["win-gpu-01"],
    updatedAt: "2026-03-30T10:00:00+08:00",
    lastMessageAt: "2026-03-30T10:00:00+08:00",
    preview: "副线程等待主 Agent 汇总阻塞点。",
    threadMeta: {
      ...seed.threadMeta,
      projectId: "boss-console-clone",
      threadId: "thread-boss-ui-clone",
      threadDisplayName: "南区试产线回归",
      folderName: "阻塞梳理",
      updatedAt: "2026-03-30T10:00:00+08:00",
      codexThreadRef: "thread-boss-ui-clone",
      codexFolderRef: "boss-console-clone",
    },
    groupMembers: [],
    messages: [
      {
        id: "msg-boss-console-clone",
        sender: "device" as const,
        senderLabel: "Win GPU / Codex",
        body: "这里还在等待视觉链路复核。",
        sentAt: "2026-03-30T10:00:00+08:00",
        kind: "text" as const,
      },
    ],
    goals: [],
    versions: [],
  };

  await writeState({
    ...state,
    projects: [...state.projects, clonedProject],
  });

  const nextState = await readState();
  return nextState.projects.filter((project) => project.id !== "master-agent" && !project.isGroup);
}

async function createDispatchPlanForTest() {
  await setup();
  const memberProjects = await ensureTwoSingleThreadProjects();
  const groupProject = await createProjectGroupChat({
    sourceProjectId: memberProjects[0].id,
    memberProjectIds: [memberProjects[1].id],
    createdBy: "17600003315",
  });

  const response = await postMessageRoute(
    await createAuthedRequest(
      `http://127.0.0.1:3000/api/v1/projects/${groupProject.id}/messages`,
      "POST",
      { body: "请主 Agent 推荐要先同步的线程" },
    ),
    { params: Promise.resolve({ projectId: groupProject.id }) },
  );
  assert.equal(response.status, 200);
  const payload = (await response.json()) as {
    dispatchPlan: { planId: string; targets: Array<{ projectId: string }> } | null;
  };
  assert.ok(payload.dispatchPlan, "expected seeded dispatch plan");
  return { groupProject, dispatchPlan: payload.dispatchPlan };
}

test("GET /api/v1/projects/[projectId]/dispatch-plans lists the latest group dispatch plans", async () => {
  const { groupProject, dispatchPlan } = await createDispatchPlanForTest();

  const response = await getDispatchPlansRoute(
    await createAuthedRequest(
      `http://127.0.0.1:3000/api/v1/projects/${groupProject.id}/dispatch-plans`,
      "GET",
    ),
    { params: Promise.resolve({ projectId: groupProject.id }) },
  );
  assert.equal(response.status, 200);

  const payload = (await response.json()) as {
    ok: boolean;
    plans: Array<{ planId: string; requestMessageId: string; status: string }>;
  };
  assert.equal(payload.ok, true);
  assert.equal(payload.plans[0]?.planId, dispatchPlan.planId);
  assert.equal(payload.plans[0]?.status, "pending_user_confirmation");
});

test("POST /api/v1/projects/[projectId]/dispatch-plans/[planId]/confirm confirms targets, creates executions, and writes a master-agent notice", async () => {
  const { groupProject, dispatchPlan } = await createDispatchPlanForTest();
  const approvedTargetProjectId = dispatchPlan.targets[0]?.projectId;
  assert.ok(approvedTargetProjectId, "expected a recommended target project");

  const response = await confirmDispatchPlanRoute(
    await createAuthedRequest(
      `http://127.0.0.1:3000/api/v1/projects/${groupProject.id}/dispatch-plans/${dispatchPlan.planId}/confirm`,
      "POST",
      { approvedTargetProjectIds: [approvedTargetProjectId] },
    ),
    { params: Promise.resolve({ projectId: groupProject.id, planId: dispatchPlan.planId }) },
  );
  assert.equal(response.status, 200);

  const payload = (await response.json()) as {
    ok: boolean;
    plan: { planId: string; status: string; confirmedTargetProjectIds: string[] };
    executions: Array<{ planId: string; targetProjectId: string; status: string }>;
  };
  assert.equal(payload.ok, true);
  assert.equal(payload.plan.planId, dispatchPlan.planId);
  assert.equal(payload.plan.status, "dispatched");
  assert.deepEqual(payload.plan.confirmedTargetProjectIds, [approvedTargetProjectId]);
  assert.equal(payload.executions.length, 1);
  assert.equal(payload.executions[0]?.planId, dispatchPlan.planId);
  assert.equal(payload.executions[0]?.targetProjectId, approvedTargetProjectId);
  assert.equal(payload.executions[0]?.status, "queued");

  const nextState = await readState();
  const notice = nextState.projects
    .find((project) => project.id === groupProject.id)
    ?.messages.find(
      (message) =>
        message.sender === "master" &&
        message.kind === "system_notice" &&
        message.body.includes("已确认下发到 1 个线程"),
    );
  assert.ok(notice, "expected a master-agent notice in the group chat after confirmation");
});