import {Component, inject, OnInit, signal} from '@angular/core';
import {MembershipService, PendingMembershipResponse} from '../../services/membership';
import {ToastService} from '../../services/toast';

@Component({
  selector: 'app-admin-memberships',
  standalone: true,
  templateUrl: './admin-memberships.html'
})
export class AdminMembershipsComponent implements OnInit {
  private membershipService = inject(MembershipService);
  private toastService = inject(ToastService);

  pendingMemberships = signal<PendingMembershipResponse[]>([]);
  isLoading = signal(true);
  isProcessing = signal<string | null>(null);

  ngOnInit() {
    this.loadPendingMemberships();
  }

  loadPendingMemberships() {
    this.membershipService.getPendingMemberships().subscribe({
      next: memberships => {
        this.pendingMemberships.set(memberships);
        this.isLoading.set(false);
      },
      error: () => {
        this.isLoading.set(false);
        this.toastService.error('Fehler beim Laden der wartenden Anträge.');
      }
    });
  }

  approveMembership(id: string) {
    if (this.isProcessing()) return;
    this.isProcessing.set(id);

    this.membershipService.approveMembership(id).subscribe({
      next: () => {
        this.toastService.success('Mitgliedschaft genehmigt.');
        this.loadPendingMemberships();
        this.isProcessing.set(null);
      },
      error: (err) => {
        this.isProcessing.set(null);
        this.toastService.error(err.error?.message || 'Fehler bei der Genehmigung.');
      }
    });
  }

  rejectMembership(id: string) {
    if (this.isProcessing()) return;
    this.isProcessing.set(id);

    this.membershipService.rejectMembership(id).subscribe({
      next: () => {
        this.toastService.success('Mitgliedschaft abgelehnt.');
        this.loadPendingMemberships();
        this.isProcessing.set(null);
      },
      error: (err) => {
        this.isProcessing.set(null);
        this.toastService.error(err.error?.message || 'Fehler bei der Ablehnung.');
      }
    });
  }
}