import { beforeEach, describe, expect, it } from 'vitest';
import { LeaguesTestContext } from '../LeaguesTestContext';
import { League } from '../../../../core/racing/domain/entities/League';
import { Season } from '../../../../core/racing/domain/entities/season/Season';
import { SeasonSponsorship } from '../../../../core/racing/domain/entities/season/SeasonSponsorship';
import { Money } from '../../../../core/racing/domain/value-objects/Money';
import { GetSeasonSponsorshipsUseCase } from '../../../../core/racing/application/use-cases/GetSeasonSponsorshipsUseCase';
import { LeagueMembership } from '../../../../core/racing/domain/entities/LeagueMembership';
import { Race } from '../../../../core/racing/domain/entities/Race';

describe('League Sponsorships - GetSeasonSponsorshipsUseCase', () => {
  let context: LeaguesTestContext;
  let useCase: GetSeasonSponsorshipsUseCase;

  beforeEach(() => {
    context = new LeaguesTestContext();
    context.clear();

    useCase = new GetSeasonSponsorshipsUseCase(
      context.seasonSponsorshipRepository,
      context.seasonRepository,
      context.racingLeagueRepository,
      context.leagueMembershipRepository,
      context.raceRepository,
    );
  });

  const seedLeague = async (params: { leagueId: string }) => {
    const league = League.create({
      id: params.leagueId,
      name: 'League 1',
      description: 'League used for sponsorship integration tests',
      ownerId: 'owner-1',
    });

    await context.racingLeagueRepository.create(league);
    return league;
  };

  const seedSeason = async (params: { seasonId: string; leagueId: string }) => {
    const season = Season.create({
      id: params.seasonId,
      leagueId: params.leagueId,
      gameId: 'iracing',
      name: 'Season 1',
      status: 'active',
      startDate: new Date('2025-01-01T00:00:00.000Z'),
      endDate: new Date('2025-02-01T00:00:00.000Z'),
    });

    await context.seasonRepository.create(season);
    return season;
  };

  const seedLeagueMembers = async (params: { leagueId: string; count: number }) => {
    for (let i = 0; i < params.count; i++) {
      const membership = LeagueMembership.create({
        id: `membership-${i + 1}`,
        leagueId: params.leagueId,
        driverId: `driver-${i + 1}`,
        role: 'member',
        status: 'active',
      });

      await context.leagueMembershipRepository.saveMembership(membership);
    }
  };

  const seedRaces = async (params: { leagueId: string }) => {
    await context.raceRepository.create(
      Race.create({
        id: 'race-1',
        leagueId: params.leagueId,
        track: 'Track 1',
        car: 'GT3',
        scheduledAt: new Date('2025-01-10T20:00:00.000Z'),
        status: 'completed',
      }),
    );

    await context.raceRepository.create(
      Race.create({
        id: 'race-2',
        leagueId: params.leagueId,
        track: 'Track 2',
        car: 'GT3',
        scheduledAt: new Date('2025-01-20T20:00:00.000Z'),
        status: 'completed',
      }),
    );

    await context.raceRepository.create(
      Race.create({
        id: 'race-3',
        leagueId: params.leagueId,
        track: 'Track 3',
        car: 'GT3',
        scheduledAt: new Date('2025-01-25T20:00:00.000Z'),
        status: 'scheduled',
      }),
    );
  };

  it('returns sponsorships with computed league/season metrics', async () => {
    const leagueId = 'league-1';
    const seasonId = 'season-1';

    await seedLeague({ leagueId });
    await seedSeason({ seasonId, leagueId });
    await seedLeagueMembers({ leagueId, count: 3 });
    await seedRaces({ leagueId });

    const sponsorship = SeasonSponsorship.create({
      id: 'sponsorship-1',
      seasonId,
      leagueId,
      sponsorId: 'sponsor-1',
      tier: 'main',
      pricing: Money.create(1000, 'USD'),
      status: 'active',
      createdAt: new Date('2025-01-01T00:00:00.000Z'),
      activatedAt: new Date('2025-01-02T00:00:00.000Z'),
    });

    await context.seasonSponsorshipRepository.create(sponsorship);

    const result = await useCase.execute({ seasonId });

    expect(result.isOk()).toBe(true);
    const view = result.unwrap();

    expect(view.seasonId).toBe(seasonId);
    expect(view.sponsorships).toHaveLength(1);

    const detail = view.sponsorships[0]!;
    expect(detail.id).toBe('sponsorship-1');
    expect(detail.leagueId).toBe(leagueId);
    expect(detail.leagueName).toBe('League 1');
    expect(detail.seasonId).toBe(seasonId);
    expect(detail.seasonName).toBe('Season 1');

    expect(detail.metrics.drivers).toBe(3);
    expect(detail.metrics.races).toBe(3);
    expect(detail.metrics.completedRaces).toBe(2);
    expect(detail.metrics.impressions).toBe(2 * 3 * 100);

    expect(detail.pricing).toEqual({ amount: 1000, currency: 'USD' });
    expect(detail.platformFee).toEqual({ amount: 100, currency: 'USD' });
    expect(detail.netAmount).toEqual({ amount: 900, currency: 'USD' });
  });

  it('returns SEASON_NOT_FOUND when season does not exist', async () => {
    const result = await useCase.execute({ seasonId: 'missing-season' });

    expect(result.isErr()).toBe(true);
    expect(result.unwrapErr().code).toBe('SEASON_NOT_FOUND');
  });

  it('returns LEAGUE_NOT_FOUND when league for season does not exist', async () => {
    await context.seasonRepository.create(
      Season.create({
        id: 'season-1',
        leagueId: 'missing-league',
        gameId: 'iracing',
        name: 'Season 1',
        status: 'active',
      }),
    );

    const result = await useCase.execute({ seasonId: 'season-1' });

    expect(result.isErr()).toBe(true);
    expect(result.unwrapErr().code).toBe('LEAGUE_NOT_FOUND');
  });
});