import { describe, it, expect } from 'vitest';
import { LeagueSettingsViewModel } from './LeagueSettingsViewModel';
import { DriverSummaryViewModel } from './DriverSummaryViewModel';
import type { LeagueConfigFormModel } from '@core/racing/application';
import type { LeagueScoringPresetDTO } from '@core/racing/application/ports/LeagueScoringPresetProvider';

const createConfig = (overrides: Partial<LeagueConfigFormModel> = {}): LeagueConfigFormModel => ({
  name: 'Pro League',
  description: 'Top tier competition',
  maxDrivers: 40,
  maxTeams: 10,
  ...overrides,
} as LeagueConfigFormModel);

const createPreset = (overrides: Partial<LeagueScoringPresetDTO> = {}): LeagueScoringPresetDTO => ({
  id: 'preset-1',
  name: 'Standard scoring',
  description: 'Top 15 get points',
  gameId: 'iracing',
  ...overrides,
} as LeagueScoringPresetDTO);

const createDriverSummary = (id: string, name: string): DriverSummaryViewModel =>
  new DriverSummaryViewModel({
    driver: {
      id,
      iracingId: `ir-${id}`,
      name,
      country: 'DE',
      joinedAt: '2024-01-01T00:00:00Z',
    },
  });

describe('LeagueSettingsViewModel', () => {
  it('maps league, config, presets, owner and members from DTO', () => {
    const league = { id: 'league-1', name: 'Pro League', ownerId: 'owner-1' };
    const config = createConfig();
    const presets = [createPreset(), createPreset({ id: 'preset-2', name: 'Alt scoring' })];
    const owner = createDriverSummary('driver-1', 'Owner Driver');
    const members = [createDriverSummary('driver-2', 'Member One'), createDriverSummary('driver-3', 'Member Two')];

    const vm = new LeagueSettingsViewModel({ league, config, presets, owner, members });

    expect(vm.league).toBe(league);
    expect(vm.config).toBe(config);
    expect(vm.presets).toBe(presets);
    expect(vm.owner).toBe(owner);
    expect(vm.members).toBe(members);
  });

  it('allows null owner while keeping members and presets', () => {
    const league = { id: 'league-1', name: 'Pro League', ownerId: 'owner-1' };
    const config = createConfig();
    const presets = [createPreset()];
    const members = [createDriverSummary('driver-2', 'Member One')];

    const vm = new LeagueSettingsViewModel({ league, config, presets, owner: null, members });

    expect(vm.owner).toBeNull();
    expect(vm.members).toHaveLength(1);
    expect(vm.presets).toHaveLength(1);
  });
});