import { describe, it, expect, vi, beforeEach, Mock } from 'vitest';
import { CreateLeagueUseCase } from './CreateLeagueUseCase';
import { LeagueCreateCommand } from '../ports/LeagueCreateCommand';
import { LeagueRepository } from '../ports/LeagueRepository';
import { LeagueEventPublisher } from '../ports/LeagueEventPublisher';

describe('CreateLeagueUseCase', () => {
  let mockLeagueRepository: LeagueRepository;
  let mockEventPublisher: LeagueEventPublisher;
  let useCase: CreateLeagueUseCase;

  beforeEach(() => {
    mockLeagueRepository = {
      create: vi.fn().mockImplementation((data) => Promise.resolve(data)) as unknown as Mock,
      findById: vi.fn() as unknown as Mock,
      findByName: vi.fn() as unknown as Mock,
      findByOwner: vi.fn() as unknown as Mock,
      search: vi.fn() as unknown as Mock,
      update: vi.fn() as unknown as Mock,
      delete: vi.fn() as unknown as Mock,
      getStats: vi.fn() as unknown as Mock,
      updateStats: vi.fn().mockResolvedValue(undefined) as unknown as Mock,
      getFinancials: vi.fn() as unknown as Mock,
      updateFinancials: vi.fn().mockResolvedValue(undefined) as unknown as Mock,
      getStewardingMetrics: vi.fn() as unknown as Mock,
      updateStewardingMetrics: vi.fn().mockResolvedValue(undefined) as unknown as Mock,
      getPerformanceMetrics: vi.fn() as unknown as Mock,
      updatePerformanceMetrics: vi.fn().mockResolvedValue(undefined) as unknown as Mock,
      getRatingMetrics: vi.fn() as unknown as Mock,
      updateRatingMetrics: vi.fn().mockResolvedValue(undefined) as unknown as Mock,
      getTrendMetrics: vi.fn() as unknown as Mock,
      updateTrendMetrics: vi.fn().mockResolvedValue(undefined) as unknown as Mock,
      getSuccessRateMetrics: vi.fn() as unknown as Mock,
      updateSuccessRateMetrics: vi.fn().mockResolvedValue(undefined) as unknown as Mock,
      getResolutionTimeMetrics: vi.fn() as unknown as Mock,
      updateResolutionTimeMetrics: vi.fn().mockResolvedValue(undefined) as unknown as Mock,
      getComplexSuccessRateMetrics: vi.fn() as unknown as Mock,
      updateComplexSuccessRateMetrics: vi.fn().mockResolvedValue(undefined) as unknown as Mock,
      getComplexResolutionTimeMetrics: vi.fn() as unknown as Mock,
      updateComplexResolutionTimeMetrics: vi.fn().mockResolvedValue(undefined) as unknown as Mock,
      getLeagueMembers: vi.fn() as unknown as Mock,
      getPendingRequests: vi.fn() as unknown as Mock,
      addLeagueMembers: vi.fn() as unknown as Mock,
      updateLeagueMember: vi.fn() as unknown as Mock,
      removeLeagueMember: vi.fn() as unknown as Mock,
      addPendingRequests: vi.fn() as unknown as Mock,
      removePendingRequest: vi.fn() as unknown as Mock,
    };
    mockEventPublisher = {
      emitLeagueCreated: vi.fn().mockResolvedValue(undefined) as unknown as Mock,
      emitLeagueUpdated: vi.fn() as unknown as Mock,
      emitLeagueDeleted: vi.fn() as unknown as Mock,
      emitLeagueAccessed: vi.fn() as unknown as Mock,
      emitLeagueRosterAccessed: vi.fn() as unknown as Mock,
      getLeagueCreatedEventCount: vi.fn().mockReturnValue(0) as unknown as Mock,
      getLeagueUpdatedEventCount: vi.fn().mockReturnValue(0) as unknown as Mock,
      getLeagueDeletedEventCount: vi.fn().mockReturnValue(0) as unknown as Mock,
      getLeagueAccessedEventCount: vi.fn().mockReturnValue(0) as unknown as Mock,
      getLeagueRosterAccessedEventCount: vi.fn().mockReturnValue(0) as unknown as Mock,
      clear: vi.fn() as unknown as Mock,
    };
    useCase = new CreateLeagueUseCase(mockLeagueRepository, mockEventPublisher);
  });

  it('should create a league and initialize all metrics', async () => {
    const command: LeagueCreateCommand = {
      name: 'New League',
      ownerId: 'owner-1',
      visibility: 'public',
      approvalRequired: false,
      lateJoinAllowed: true,
      bonusPointsEnabled: true,
      penaltiesEnabled: true,
      protestsEnabled: true,
      appealsEnabled: true,
    };

    const result = await useCase.execute(command);

    expect(result.name).toBe('New League');
    expect(result.ownerId).toBe('owner-1');
    expect(mockLeagueRepository.create).toHaveBeenCalled();
    expect(mockLeagueRepository.updateStats).toHaveBeenCalled();
    expect(mockLeagueRepository.updateFinancials).toHaveBeenCalled();
    expect(mockEventPublisher.emitLeagueCreated).toHaveBeenCalled();
  });

  it('should throw error if name is missing', async () => {
    const command = { ownerId: 'owner-1' } as unknown as LeagueCreateCommand;
    await expect(useCase.execute(command)).rejects.toThrow('League name is required');
  });

  it('should throw error if ownerId is missing', async () => {
    const command = { name: 'League' } as unknown as LeagueCreateCommand;
    await expect(useCase.execute(command)).rejects.toThrow('Owner ID is required');
  });
});