import { Test, TestingModule } from '@nestjs/testing';
import { getRepositoryToken } from '@nestjs/typeorm';
import { SongController } from './song.controller';
import { SongService } from './song.service';
import { Song } from './song.entity';
import { Album } from '../album/album.entity';
import { CreateSongDto } from './dto/create-song.dto';
import { UpdateSongDto } from './dto/update-song.dto';
import { DeleteResult, Repository } from 'typeorm';

const mockSong = new Song();
const mockAlbum = new Album();
const mockCreateSongDto = new CreateSongDto();
const mockUpdateSongDto = new UpdateSongDto();
const mockDeleteResult = new DeleteResult();

describe('SongController', () => {
  let controller: SongController;

  beforeEach(async () => {
    const module: TestingModule = await Test.createTestingModule({
      controllers: [SongController],
      providers: [
        SongService,
        {
          provide: getRepositoryToken(Song),
          useValue: {
            find: jest.fn().mockResolvedValue([mockSong]),
            findOne: jest.fn().mockResolvedValue(mockSong),
            findOneBy: jest.fn().mockResolvedValue({ id: 3, title: 'some song', duration: 300, trackNumber: 2, album: mockAlbum }),
            create: jest.fn().mockResolvedValue(mockSong),
            save: jest.fn().mockResolvedValue({ id: 3, title: 'some song', duration: 300, trackNumber: 2, album: mockAlbum }),
            update: jest.fn().mockResolvedValue(mockSong),
            delete: jest.fn().mockResolvedValue(mockDeleteResult),
          },
        },
        {
          provide: getRepositoryToken(Album),
          useValue: {
            find: jest.fn().mockResolvedValue([mockAlbum]),
            findOne: jest.fn().mockResolvedValue(mockAlbum),
            findOneBy: jest.fn().mockResolvedValue({ id: 1, title: 'some album', artist: 'some artist', genre: 'some genre' }),
            create: jest.fn().mockResolvedValue(mockAlbum),
            save: jest.fn().mockResolvedValue({ id: 1, title: 'some album', artist: 'some artist', genre: 'some genre' }),
            update: jest.fn().mockResolvedValue(mockAlbum),
            delete: jest.fn().mockResolvedValue(mockDeleteResult),
          },
        },
      ]
    }).compile();

    controller = module.get<SongController>(SongController);
  });

  it('should be defined', () => {
    expect(controller).toBeDefined();
  });
});