import type { TeamMembership } from '@gridpilot/racing/domain/entities/Team';
import type {
  ITeamMembersPresenter,
  TeamMemberViewModel,
  TeamMembersViewModel,
} from '@gridpilot/racing/application/presenters/ITeamMembersPresenter';

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

  present(
    memberships: TeamMembership[],
    driverNames: Record<string, string>,
    avatarUrls: Record<string, string>
  ): TeamMembersViewModel {
    const members: TeamMemberViewModel[] = memberships.map((membership) => ({
      driverId: membership.driverId,
      driverName: driverNames[membership.driverId] ?? 'Unknown Driver',
      role: membership.role,
      joinedAt: membership.joinedAt.toISOString(),
      isActive: membership.isActive,
      avatarUrl: 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,
    };

    return this.viewModel;
  }

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