import { ImageListItemDto } from '@lxdhub/interfaces';
import { ImageListItemInterceptor } from './image-list-item.interceptor';
import { Observable, of } from 'rxjs';
import { ImageListItemResponse } from '@lxdhub/api/src/image/dtos';

describe('ImageListItemInterceptor', () => {
  let stream$: Observable<ImageListItemResponse>;
  let req;
  let contextMock;

  beforeEach(async () => {
    const results: ImageListItemDto[] = [
      {
        fingerprint: 'fingerprint1',
        description: 'desc1',
        uploadedAt: new Date(),
        id: 1
      } as ImageListItemDto,
      {
        fingerprint: 'fingerprint2',
        description: 'desc2',
        uploadedAt: new Date(),
        id: 2
      } as ImageListItemDto
    ];

    req = {
      _parsedUrl: {
        pathname: '/api/v1/image'
      },
      protocol: 'http',
      get: param => (param === 'host' ? 'localhost:3000' : 'not-valid')
    };

    contextMock = {
      switchToHttp() {
        return {
          getRequest() {
            return req;
          }
        };
      }
    };

    const pagination = { results } as ImageListItemResponse;
    stream$ = of<ImageListItemResponse>(pagination);
  });

  describe('intercept', () => {
    it('should generate the correct detail url', async done => {
      const streamOutput$ = new ImageListItemInterceptor().intercept(
        contextMock,
        { handle: () => stream$ }
      );
      streamOutput$.subscribe(response => {
        expect(response.results[0]._links.detail).toBe(
          'http://localhost:3000/api/v1/image/fingerprint1'
        );
        expect(response.results[1]._links.detail).toBe(
          'http://localhost:3000/api/v1/image/fingerprint2'
        );
        done();
      });
    });
  });
});