import { HttpClient } from '@angular/common/http';
import { TestBed } from '@angular/core/testing';
import { of } from 'rxjs';
import { vi } from 'vitest';
import { VersionApiService } from './version-api.service';

describe('VersionApiService', () => {
  let service: VersionApiService;
  let httpGetMock: ReturnType<typeof vi.fn>;

  beforeEach(() => {
    httpGetMock = vi.fn();

    TestBed.configureTestingModule({
      providers: [
        VersionApiService,
        { provide: HttpClient, useValue: { get: httpGetMock } },
      ],
    });

    service = TestBed.inject(VersionApiService);
  });

  it('should be created', () => {
    expect(service).toBeTruthy();
  });

  it('calls GET /api/version and returns the response', () => {
    httpGetMock.mockReturnValue(of({ version: '1.2.3' }));

    let result: any;
    service.getVersion().subscribe((r) => (result = r));

    expect(httpGetMock).toHaveBeenCalledWith('/api/version');
    expect(result).toEqual({ version: '1.2.3' });
  });
});