import type { ViewDataBuilder } from '@/lib/contracts/builders/ViewDataBuilder';
import { DateFormatter } from '@/lib/formatters/DateFormatter';
import type { LeagueRosterJoinRequestDTO } from '@/lib/types/generated/LeagueRosterJoinRequestDTO';
import type { LeagueRosterMemberDTO } from '@/lib/types/generated/LeagueRosterMemberDTO';
import type { JoinRequestData, LeagueRosterAdminViewData, RosterMemberData } from '@/lib/view-data/LeagueRosterAdminViewData';

type LeagueRosterAdminInputDTO = {
  leagueId: string;
  members: LeagueRosterMemberDTO[];
  joinRequests: LeagueRosterJoinRequestDTO[];
}

export class LeagueRosterAdminViewDataBuilder {
  public static build(apiDto: LeagueRosterAdminInputDTO): LeagueRosterAdminViewData {
    const { leagueId, members, joinRequests } = apiDto;
    
    // Transform members
    const rosterMembers: RosterMemberData[] = members.map(member => ({
      driverId: member.driverId,
      driver: {
        id: member.driverId,
        name: (member.driver as { name?: string })?.name || 'Unknown Driver',
      },
      role: member.role,
      joinedAt: member.joinedAt,
      formattedJoinedAt: DateFormatter.formatShort(member.joinedAt),
    }));
    
    // Transform join requests
    const requests: JoinRequestData[] = joinRequests.map(req => ({
      id: req.id,
      driver: {
        id: req.driverId,
        name: (req as { driver?: { name?: string } }).driver?.name || 'Unknown Driver',
      },
      requestedAt: req.requestedAt,
      formattedRequestedAt: DateFormatter.formatShort(req.requestedAt),
      message: req.message ?? undefined,
    }));
    
    return {
      leagueId,
      members: rosterMembers,
      joinRequests: requests,
    };
  }
}

LeagueRosterAdminViewDataBuilder satisfies ViewDataBuilder<LeagueRosterAdminInputDTO, LeagueRosterAdminViewData>;