import type { ViewDataBuilder } from '@/lib/contracts/builders/ViewDataBuilder';
import type { UserListResponseDTO } from '@/lib/types/generated/UserListResponseDTO';
import type { AdminUsersViewData } from '@/lib/view-data/AdminUsersViewData';

export class AdminUsersViewDataBuilder {
  public static build(apiDto: UserListResponseDTO): AdminUsersViewData {
    const users = apiDto.users.map(u => ({
      id: u.id,
      email: u.email,
      displayName: u.displayName,
      roles: u.roles,
      status: u.status,
      isSystemAdmin: u.isSystemAdmin,
      createdAt: u.createdAt,
      updatedAt: u.updatedAt,
      lastLoginAt: u.lastLoginAt,
      primaryDriverId: u.primaryDriverId,
    }));

    return {
      users,
      total: apiDto.total,
      page: apiDto.page,
      limit: apiDto.limit,
      totalPages: apiDto.totalPages,
      activeUserCount: users.filter(u => u.status === 'active').length,
      adminCount: users.filter(u => u.isSystemAdmin).length,
    };
  }
}

AdminUsersViewDataBuilder satisfies ViewDataBuilder<UserListResponseDTO, AdminUsersViewData>;