jest.mock('../config', () => ({
  siw: { baseUrl: 'https://siw.example.com/api', username: 'u', password: 'p' },
  logLevel: 'error',
}));

const { AgentNotConnectedError } = require('../services/websocket');

jest.mock('../services/websocket', () => {
  class AgentNotConnectedError extends Error {
    constructor() {
      super('No remote agent connected');
      this.code = 'AGENT_NOT_CONNECTED';
    }
  }
  return {
    proxyRequest: jest.fn(),
    isAgentConnected: () => false,
    AgentNotConnectedError,
  };
});

const { proxyRequest } = require('../services/websocket');
const siw = require('../services/siw');

describe('siw service degrades gracefully when remote agent is offline', () => {
  beforeEach(() => {
    proxyRequest.mockReset();
    proxyRequest.mockRejectedValue(new AgentNotConnectedError());
  });

  it('getStoreLocation returns null without throwing', async () => {
    await expect(siw.getStoreLocation('305')).resolves.toBeNull();
  });

  it('getStoreGeneral returns null without throwing', async () => {
    await expect(siw.getStoreGeneral('305')).resolves.toBeNull();
  });

  it('getStoreRegisters returns []', async () => {
    await expect(siw.getStoreRegisters('305')).resolves.toEqual([]);
  });

  it('getStorePrinters returns []', async () => {
    await expect(siw.getStorePrinters('305')).resolves.toEqual([]);
  });

  it('getStorePaymentTerminals returns []', async () => {
    await expect(siw.getStorePaymentTerminals('305')).resolves.toEqual([]);
  });

  it('rethrows non-agent errors', async () => {
    proxyRequest.mockRejectedValue(new Error('boom'));
    await expect(siw.getStoreRegisters('305')).rejects.toThrow('boom');
  });
});