import type {
  ITeamMembersPresenter,
  TeamMemberViewModel,
  TeamMembersViewModel,
  TeamMembersResultDTO,
} from '@gridpilot/racing/application/presenters/ITeamMembersPresenter';

export class TeamMembersPresenter implements ITeamMembersPresenter {
  private viewModel: TeamMembersViewModel | null = null;

  reset(): void {
    this.viewModel = null;
  }

  present(input: TeamMembersResultDTO): void {
    const members: TeamMemberViewModel[] = input.memberships.map((membership) => ({
      driverId: membership.driverId,
      driverName: input.driverNames[membership.driverId] ?? 'Unknown Driver',
      role: membership.role === 'driver' ? 'member' : membership.role,
      joinedAt: membership.joinedAt.toISOString(),
      isActive: membership.status === 'active',
      avatarUrl: input.avatarUrls[membership.driverId] ?? '',
    }));

    const ownerCount = members.filter((m) => m.role === 'owner').length;
    const managerCount = members.filter((m) => m.role === 'manager').length;
    const memberCount = members.filter((m) => m.role === 'member').length;

    this.viewModel = {
      members,
      totalCount: members.length,
      ownerCount,
      managerCount,
      memberCount,
    };
  }

  getViewModel(): TeamMembersViewModel | null {
    return this.viewModel;
  }
}