import { describe, it, expect, beforeEach } from 'vitest';
import { TeamsTestContext } from '../TeamsTestContext';
import { Team } from '../../../../core/racing/domain/entities/Team';

describe('GetTeamsLeaderboardUseCase', () => {
  const context = new TeamsTestContext();
  
  // Mock driver stats provider
  const getDriverStats = (driverId: string) => {
    const statsMap: Record<string, { rating: number, wins: number, totalRaces: number }> = {
      'd1': { rating: 2000, wins: 10, totalRaces: 50 },
      'd2': { rating: 1500, wins: 5, totalRaces: 30 },
      'd3': { rating: 1000, wins: 2, totalRaces: 20 },
    };
    return statsMap[driverId] || null;
  };

  const getTeamsLeaderboardUseCase = context.createGetTeamsLeaderboardUseCase(getDriverStats);

  beforeEach(() => {
    context.clear();
  });

  describe('Success Path', () => {
    it('should retrieve ranked team leaderboard with performance metrics', async () => {
      const team1 = Team.create({ id: 't1', name: 'Pro Team', tag: 'PRO', description: 'Desc', ownerId: 'o1', leagues: [] });
      const team2 = Team.create({ id: 't2', name: 'Am Team', tag: 'AM', description: 'Desc', ownerId: 'o2', leagues: [] });
      await context.teamRepository.create(team1);
      await context.teamRepository.create(team2);
      
      await context.membershipRepository.saveMembership({ teamId: 't1', driverId: 'd1', role: 'owner', status: 'active', joinedAt: new Date() });
      await context.membershipRepository.saveMembership({ teamId: 't2', driverId: 'd3', role: 'owner', status: 'active', joinedAt: new Date() });

      const result = await getTeamsLeaderboardUseCase.execute({ leagueId: 'any' });

      expect(result.isOk()).toBe(true);
      const { items, topItems } = result.unwrap();
      expect(items).toHaveLength(2);
      
      expect(topItems[0]?.team.id.toString()).toBe('t1');
      expect(topItems[0]?.rating).toBe(2000);
      expect(topItems[1]?.team.id.toString()).toBe('t2');
      expect(topItems[1]?.rating).toBe(1000);
    });

    it('should handle empty leaderboard', async () => {
      const result = await getTeamsLeaderboardUseCase.execute({ leagueId: 'any' });

      expect(result.isOk()).toBe(true);
      const { items } = result.unwrap();
      expect(items).toHaveLength(0);
    });
  });
});