import axios from 'axios';
import { HostexApiClient } from '../client/index.js';

jest.mock('axios');
const mockedAxios = axios as jest.Mocked<typeof axios>;

function makeClient() {
  const mockInstance = {
    request: jest.fn(),
    patch: jest.fn(),
    interceptors: { request: { use: jest.fn() }, response: { use: jest.fn() } },
  };
  mockedAxios.create.mockReturnValue(mockInstance as any);
  return { client: new HostexApiClient({ accessToken: 'test-token' }), mockInstance };
}

describe('HostexApiClient.updateReservationBasicInfo', () => {
  it('targets the stay_code and strips both codes from the body', async () => {
    const { client, mockInstance } = makeClient();
    mockInstance.patch.mockResolvedValue({ data: { error_code: 200 } });

    await client.updateReservationBasicInfo({ stay_code: 'ST1', remarks: 'late arrival' });

    expect(mockInstance.patch).toHaveBeenCalledWith('/reservations/ST1', {
      remarks: 'late arrival',
    });
  });

  it('falls back to reservation_code for backward compatibility', async () => {
    const { client, mockInstance } = makeClient();
    mockInstance.patch.mockResolvedValue({ data: { error_code: 200 } });

    await client.updateReservationBasicInfo({ reservation_code: 'R1', remarks: 'x' });

    expect(mockInstance.patch).toHaveBeenCalledWith('/reservations/R1', { remarks: 'x' });
  });

  it('throws when both stay_code and reservation_code are missing', async () => {
    const { client } = makeClient();
    await expect(
      client.updateReservationBasicInfo({ remarks: 'x' } as any)
    ).rejects.toThrow('stay_code is required');
  });
});