import { jest } from '@jest/globals';

jest.unstable_mockModule('../../../database/database.js', () => ({
  listObjects: jest.fn(),
  getObject: jest.fn(),
  editObject: jest.fn(),
  newObject: jest.fn(),
  deleteObject: jest.fn(),
  listObjectsByProperties: jest.fn(),
  getModelStats: jest.fn(),
  getModelHistory: jest.fn(),
}));

jest.unstable_mockModule('../../../database/schemas/management/courier.schema.js', () => ({
  courierModel: { modelName: 'Courier' },
}));

jest.unstable_mockModule('log4js', () => ({
  default: {
    getLogger: () => ({
      level: 'info',
      debug: jest.fn(),
      error: jest.fn(),
      warn: jest.fn(),
      trace: jest.fn(),
    }),
  },
}));

const {
  listCouriersRouteHandler,
  getCourierRouteHandler,
  newCourierRouteHandler,
  editCourierRouteHandler,
} = await import('../courier.js');

const { listObjects, getObject, editObject, newObject } = await import(
  '../../../database/database.js'
);
const { courierModel } = await import('../../../database/schemas/management/courier.schema.js');

describe('Courier Service Route Handlers', () => {
  let req, res;

  beforeEach(() => {
    req = {
      params: {},
      query: {},
      body: {},
      user: { id: 'test-user-id' },
    };
    res = {
      send: jest.fn(),
      status: jest.fn().mockReturnThis(),
    };
    jest.clearAllMocks();
  });

  describe('listCouriersRouteHandler', () => {
    it('should list couriers', async () => {
      const mockResult = [{ _id: '1', name: 'FedEx' }];
      listObjects.mockResolvedValue(mockResult);

      await listCouriersRouteHandler(req, res);

      expect(listObjects).toHaveBeenCalledWith(expect.objectContaining({ model: courierModel }));
      expect(res.send).toHaveBeenCalledWith(mockResult);
    });
  });

  describe('newCourierRouteHandler', () => {
    it('should create a new courier', async () => {
      req.body = { name: 'DHL', email: 'contact@dhl.com' };
      const mockCourier = { _id: '456', ...req.body };
      newObject.mockResolvedValue(mockCourier);

      await newCourierRouteHandler(req, res);

      expect(newObject).toHaveBeenCalled();
      expect(res.send).toHaveBeenCalledWith(mockCourier);
    });
  });
});