import { TeamJoinRequestViewModel, type TeamJoinRequestDTO } from '@/lib/view-models/TeamJoinRequestViewModel';
import type { TeamsApiClient } from '../../api/teams/TeamsApiClient';

// TODO: Create generated DTO when API spec is available
type TeamJoinRequestsDto = {
  requests: TeamJoinRequestDTO[];
};

/**
 * Team Join Service
 *
 * Orchestrates team join/leave operations by coordinating API calls and view model creation.
 * All dependencies are injected via constructor.
 */
export class TeamJoinService {
  constructor(
    private readonly apiClient: TeamsApiClient
  ) {}

  /**
   * Get team join requests with view model transformation
   */
  async getJoinRequests(teamId: string, currentUserId: string, isOwner: boolean): Promise<TeamJoinRequestViewModel[]> {
    const dto = await this.apiClient.getJoinRequests(teamId) as TeamJoinRequestsDto;
    return dto.requests.map((r: TeamJoinRequestDTO) => new TeamJoinRequestViewModel(r, currentUserId, isOwner));
  }

  /**
   * Approve a team join request
   */
  async approveJoinRequest(): Promise<void> {
    // TODO: implement API call when endpoint is available
    throw new Error('Not implemented: API endpoint for approving join requests');
  }

  /**
   * Reject a team join request
   */
  async rejectJoinRequest(): Promise<void> {
    // TODO: implement API call when endpoint is available
    throw new Error('Not implemented: API endpoint for rejecting join requests');
  }
}