import { describe, it, expect, beforeEach, vi, Mock } from 'vitest';
import { GetAllRacesUseCase } from './GetAllRacesUseCase';
import type { IRaceRepository } from '../../domain/repositories/IRaceRepository';
import type { ILeagueRepository } from '../../domain/repositories/ILeagueRepository';
import type { Logger } from '@core/shared/application';

describe('GetAllRacesUseCase', () => {
  let mockRaceRepo: { findAll: Mock };
  let mockLeagueRepo: { findAll: Mock };
  let mockLogger: Logger;

  beforeEach(() => {
    mockRaceRepo = { findAll: vi.fn() };
    mockLeagueRepo = { findAll: vi.fn() };
    mockLogger = {
      debug: vi.fn(),
      info: vi.fn(),
      warn: vi.fn(),
      error: vi.fn(),
    };
  });

  it('should return races data', async () => {
    const useCase = new GetAllRacesUseCase(
      mockRaceRepo as unknown as IRaceRepository,
      mockLeagueRepo as unknown as ILeagueRepository,
      mockLogger,
    );

    const race1 = {
      id: 'race1',
      track: 'Track A',
      car: 'Car A',
      scheduledAt: new Date('2023-01-01T10:00:00Z'),
      leagueId: 'league1',
    };
    const race2 = {
      id: 'race2',
      track: 'Track B',
      car: 'Car B',
      scheduledAt: new Date('2023-01-02T10:00:00Z'),
      leagueId: 'league2',
    };
    const league1 = { id: 'league1', name: 'League One' };
    const league2 = { id: 'league2', name: 'League Two' };

    mockRaceRepo.findAll.mockResolvedValue([race1, race2]);
    mockLeagueRepo.findAll.mockResolvedValue([league1, league2]);

    const result = await useCase.execute();

    expect(result.isOk()).toBe(true);
    expect(result.value).toEqual({
      races: [
        {
          id: 'race1',
          name: 'Track A - Car A',
          date: '2023-01-01T10:00:00.000Z',
          leagueName: 'League One',
        },
        {
          id: 'race2',
          name: 'Track B - Car B',
          date: '2023-01-02T10:00:00.000Z',
          leagueName: 'League Two',
        },
      ],
      totalCount: 2,
    });
  });

  it('should return empty result when no races or leagues', async () => {
    const useCase = new GetAllRacesUseCase(
      mockRaceRepo as unknown as IRaceRepository,
      mockLeagueRepo as unknown as ILeagueRepository,
      mockLogger,
    );

    mockRaceRepo.findAll.mockResolvedValue([]);
    mockLeagueRepo.findAll.mockResolvedValue([]);

    const result = await useCase.execute();

    expect(result.isOk()).toBe(true);
    expect(result.value).toEqual({
      races: [],
      totalCount: 0,
    });
  });

  it('should return error when repository throws', async () => {
    const useCase = new GetAllRacesUseCase(
      mockRaceRepo as unknown as IRaceRepository,
      mockLeagueRepo as unknown as ILeagueRepository,
      mockLogger,
    );

    const error = new Error('Repository error');
    mockRaceRepo.findAll.mockRejectedValue(error);

    const result = await useCase.execute();

    expect(result.isErr()).toBe(true);
    expect(result.unwrapErr().message).toBe('Repository error');
  });
});