import type { LeagueScheduleViewData } from '@/lib/view-data/LeagueScheduleViewData';
import type { LeagueScheduleDTO } from '@/lib/types/generated/LeagueScheduleDTO';

import { ViewDataBuilder } from "../../contracts/builders/ViewDataBuilder";

export interface LeagueScheduleInputDTO {
  apiDto: LeagueScheduleDTO;
  currentDriverId?: string;
  isAdmin?: boolean;
}

export class LeagueScheduleViewDataBuilder implements ViewDataBuilder<LeagueScheduleInputDTO, LeagueScheduleViewData> {
  build(input: LeagueScheduleInputDTO): LeagueScheduleViewData {
    return LeagueScheduleViewDataBuilder.build(input.apiDto, input.currentDriverId, input.isAdmin);
  }

  public static build(apiDto: LeagueScheduleDTO, currentDriverId?: string, isAdmin: boolean = false): LeagueScheduleViewData {
    const now = new Date();

    return {
      leagueId: (apiDto as any).leagueId || '',
      races: apiDto.races.map((race) => {
        const scheduledAt = new Date(race.date);
        const isPast = scheduledAt.getTime() <= now.getTime();
        const isUpcoming = !isPast;

        return {
          id: race.id,
          name: race.name,
          scheduledAt: race.date,
          track: race.track || '',
          car: race.car || '',
          sessionType: race.sessionType || 'race',
          isPast,
          isUpcoming,
          status: (race.status as any) || (isPast ? 'completed' : 'scheduled'),
          // Registration info (would come from API in real implementation)
          isUserRegistered: false,
          canRegister: isUpcoming,
          // Admin info
          canEdit: isAdmin,
          canReschedule: isAdmin,
        };
      }),
      currentDriverId,
      isAdmin,
    };
  }
}