const Fastify = require("fastify");

const usersRoutes = require("../../../src/routes/users");
const { AppError } = require("../../../src/utils/AppError");

const ACTOR_ID = "11111111-1111-4111-8111-111111111111";
const DEPARTMENT_ID = "aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa";
const USER_ID = "22222222-2222-4222-8222-222222222222";

async function buildApp({
  createdEmployeeNo = "HYD000001",
  currentEmployee = null,
} = {}) {
  const app = Fastify();

  const departmentFindUnique = vi.fn().mockResolvedValue({
    id: DEPARTMENT_ID,
    archived_at: null,
  });
  const employeeCreate = vi.fn(async ({ data }) => ({
    id: USER_ID,
    employee_no: data.employee_no ?? createdEmployeeNo,
    name: data.name,
    phone: data.phone,
    email: data.email,
    status: data.status,
    department_id: data.department_id,
    title: data.title,
    direct_manager_id: data.direct_manager_id ?? null,
    hire_date: data.hire_date,
    created_at: data.created_at,
    updated_at: data.updated_at,
  }));
  const employeeFindUnique = vi
    .fn()
    .mockResolvedValue(
      currentEmployee ?? {
        id: USER_ID,
        employee_no: "HYD000321",
        name: "Alice",
        phone: "13800000000",
        email: "alice@example.com",
        status: "active",
        department_id: DEPARTMENT_ID,
        title: "员工",
        direct_manager_id: null,
        hire_date: new Date("2026-05-01T00:00:00.000Z"),
        bank_account_encrypted: "",
        bank_name: "",
        id_number_encrypted: null,
        archived_at: null,
        created_at: new Date("2026-05-01T00:00:00.000Z"),
        updated_at: new Date("2026-05-01T00:00:00.000Z"),
        roles: [{ role_code: "employee" }],
      },
    );
  const employeeUpdate = vi.fn();
  const employeeRoleCreateMany = vi.fn().mockResolvedValue({ count: 1 });
  const employeeRoleFindMany = vi.fn().mockResolvedValue([{ role_code: "employee" }]);
  const auditCreate = vi.fn().mockResolvedValue({ id: "audit-1" });

  const tx = {
    department: {
      findUnique: departmentFindUnique,
    },
    employee: {
      create: employeeCreate,
      findUnique: employeeFindUnique,
      update: employeeUpdate,
    },
    employeeRole: {
      createMany: employeeRoleCreateMany,
    },
    auditLog: {
      create: auditCreate,
    },
    authSession: {
      updateMany: vi.fn().mockResolvedValue({ count: 0 }),
    },
  };

  app.decorate("config", {});
  app.decorate("prisma", {
    department: {
      findUnique: departmentFindUnique,
    },
    employee: {
      findUnique: employeeFindUnique,
    },
    employeeRole: {
      findMany: employeeRoleFindMany,
    },
    $transaction: vi.fn(async (callback) => callback(tx)),
  });
  app.decorate("requirePermission", (permissionCode) => async (request) => {
    request.employee = {
      id: ACTOR_ID,
      department_id: DEPARTMENT_ID,
      permissionCodes: ["system.users"],
    };
    const permissions = request.employee.permissionCodes ?? [];
    if (!permissions.includes("*") && !permissions.includes(permissionCode)) {
      throw new AppError({ code: "PERM_001", message: "无权限", statusCode: 403 });
    }
  });
  app.decorate("authenticate", async (request) => {
    request.employee = {
      id: ACTOR_ID,
      department_id: DEPARTMENT_ID,
      permissionCodes: ["system.users"],
    };
  });
  app.decorate("hasPermission", () => true);
  app.setErrorHandler((error, request, reply) => {
    if (error instanceof AppError) {
      return reply.status(error.statusCode).send({
        requestId: request.id,
        error: { code: error.code, message: error.message, details: error.details ?? {} },
      });
    }
    return reply.status(500).send({
      requestId: request.id,
      error: { code: error.code ?? "SYS_001", message: error.message ?? "服务器内部错误", details: error.details ?? {} },
    });
  });

  await app.register(usersRoutes, { prefix: "/api" });

  return {
    app,
    departmentFindUnique,
    employeeCreate,
    employeeFindUnique,
    employeeUpdate,
    employeeRoleCreateMany,
    employeeRoleFindMany,
  };
}

describe("usersRoutes write flows", () => {
  it("creates a user without employeeNo or password and returns generated credentials", async () => {
    const { app, employeeCreate, employeeRoleCreateMany } = await buildApp();

    const response = await app.inject({
      method: "POST",
      url: "/api/users",
      payload: {
        name: "张三",
        phone: "13800000001",
        email: "zhangsan@example.com",
        roles: ["employee"],
      },
    });

    expect(response.statusCode).toBe(200);
    expect(employeeCreate).toHaveBeenCalledWith(
      expect.objectContaining({
        data: expect.not.objectContaining({
          employee_no: expect.anything(),
        }),
      }),
    );
    expect(employeeRoleCreateMany).toHaveBeenCalledWith(
      expect.objectContaining({
        data: [
          expect.objectContaining({
            employee_id: USER_ID,
            role_code: "employee",
          }),
        ],
      }),
    );

    const payload = response.json().data;
    expect(payload).toEqual(
      expect.objectContaining({
        id: USER_ID,
        employeeNo: "HYD000001",
        name: "张三",
        email: "zhangsan@example.com",
        roleCodes: ["employee"],
      }),
    );
    expect(payload.oneTimePassword).toMatch(/^ResetA1[a-f0-9]{12}$/);

    await app.close();
  });

  it("rejects employeeNo changes on patch", async () => {
    const { app, employeeFindUnique, employeeUpdate } = await buildApp();

    const response = await app.inject({
      method: "PATCH",
      url: `/api/users/${USER_ID}`,
      payload: {
        employeeNo: "HYD999999",
        name: "李四",
      },
    });

    expect(response.statusCode).toBe(409);
    expect(response.json().error).toEqual(
      expect.objectContaining({
        code: "VALID_001",
        details: { employeeNo: "immutable" },
      }),
    );
    expect(employeeFindUnique).not.toHaveBeenCalled();
    expect(employeeUpdate).not.toHaveBeenCalled();

    await app.close();
  });
});