import type { DriverLeaderboardItemDTO } from '@/lib/types/generated/DriverLeaderboardItemDTO';
import type { DriverRankingsViewData } from '@/lib/view-data/DriverRankingsViewData';

export class DriverRankingsViewDataBuilder {
  static build(apiDto: DriverLeaderboardItemDTO[]): DriverRankingsViewData {
    if (!apiDto || apiDto.length === 0) {
      return {
        drivers: [],
        podium: [],
        searchQuery: '',
        selectedSkill: 'all',
        sortBy: 'rank',
        showFilters: false,
      };
    }

    return {
      drivers: apiDto.map(driver => ({
        id: driver.id,
        name: driver.name,
        rating: driver.rating,
        skillLevel: driver.skillLevel,
        nationality: driver.nationality,
        racesCompleted: driver.racesCompleted,
        wins: driver.wins,
        podiums: driver.podiums,
        rank: driver.rank,
        avatarUrl: driver.avatarUrl || '',
        winRate: driver.racesCompleted > 0 ? ((driver.wins / driver.racesCompleted) * 100).toFixed(1) : '0.0',
        medalBg: driver.rank === 1 ? 'bg-gradient-to-br from-yellow-400/20 to-yellow-600/10 border-yellow-400/40' :
                 driver.rank === 2 ? 'bg-gradient-to-br from-gray-300/20 to-gray-400/10 border-gray-300/40' :
                 driver.rank === 3 ? 'bg-gradient-to-br from-amber-600/20 to-amber-700/10 border-amber-600/40' :
                 'bg-iron-gray/50 border-charcoal-outline',
        medalColor: driver.rank === 1 ? 'text-yellow-400' :
                    driver.rank === 2 ? 'text-gray-300' :
                    driver.rank === 3 ? 'text-amber-600' :
                    'text-gray-500',
      })),
      podium: apiDto.slice(0, 3).map((driver, index) => {
        const positions = [2, 1, 3]; // Display order: 2nd, 1st, 3rd
        const position = positions[index];
        return {
          id: driver.id,
          name: driver.name,
          rating: driver.rating,
          wins: driver.wins,
          podiums: driver.podiums,
          avatarUrl: driver.avatarUrl || '',
          position: position as 1 | 2 | 3,
        };
      }),
      searchQuery: '',
      selectedSkill: 'all',
      sortBy: 'rank',
      showFilters: false,
    };
  }
}