import { Test, TestingModule } from '@nestjs/testing';
import { TimezoneFinder } from '../../../../adapters/secondaries/timezone-finder';
import { GeoTimezoneFinder } from '../../../../../geography/adapters/secondaries/geo-timezone-finder';

const mockGeoTimezoneFinder = {
  timezones: jest.fn().mockImplementation(() => ['Europe/Paris']),
};

describe('Timezone Finder', () => {
  let timezoneFinder: TimezoneFinder;

  beforeAll(async () => {
    const module: TestingModule = await Test.createTestingModule({
      imports: [],
      providers: [
        TimezoneFinder,
        {
          provide: GeoTimezoneFinder,
          useValue: mockGeoTimezoneFinder,
        },
      ],
    }).compile();

    timezoneFinder = module.get<TimezoneFinder>(TimezoneFinder);
  });

  it('should be defined', () => {
    expect(timezoneFinder).toBeDefined();
  });
  it('should get timezone for Nancy(France) as Europe/Paris', () => {
    const timezones = timezoneFinder.timezones(6.179373, 48.687913);
    expect(timezones.length).toBe(1);
    expect(timezones[0]).toBe('Europe/Paris');
  });
});