import type { TeamJoinRequest } from '@gridpilot/racing/domain/entities/Team';
import type {
  ITeamJoinRequestsPresenter,
  TeamJoinRequestViewModel,
  TeamJoinRequestsViewModel,
} from '@gridpilot/racing/application/presenters/ITeamJoinRequestsPresenter';

export class TeamJoinRequestsPresenter implements ITeamJoinRequestsPresenter {
  private viewModel: TeamJoinRequestsViewModel | null = null;

  present(
    requests: TeamJoinRequest[],
    driverNames: Record<string, string>,
    avatarUrls: Record<string, string>
  ): TeamJoinRequestsViewModel {
    const requestItems: TeamJoinRequestViewModel[] = requests.map((request) => ({
      requestId: request.id,
      driverId: request.driverId,
      driverName: driverNames[request.driverId] ?? 'Unknown Driver',
      teamId: request.teamId,
      status: request.status,
      requestedAt: request.requestedAt.toISOString(),
      avatarUrl: avatarUrls[request.driverId] ?? '',
    }));

    const pendingCount = requestItems.filter((r) => r.status === 'pending').length;

    this.viewModel = {
      requests: requestItems,
      pendingCount,
      totalCount: requestItems.length,
    };

    return this.viewModel;
  }

  getViewModel(): TeamJoinRequestsViewModel {
    if (!this.viewModel) {
      throw new Error('Presenter has not been called yet');
    }
    return this.viewModel;
  }
}