/**
 * Copyright since 2025 Mifos Initiative
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

import { Injectable, inject } from '@angular/core';
import { Resolve } from '@angular/router';
import { Observable, forkJoin, of } from 'rxjs';
import { map, catchError } from 'rxjs/operators';
import { TasksService } from '../tasks.service';

@Injectable()
export class GetPendingAccounts implements Resolve<any> {
  private tasksService = inject(TasksService);

  resolve(): Observable<any> {
    return forkJoin({
      savings: this.tasksService.getPendingSavingsAccounts().pipe(catchError(() => of({ pageItems: [] }))),
      current: this.tasksService.getPendingCurrentAccounts().pipe(catchError(() => of([]))),
      offices: this.tasksService.getAllOffices().pipe(catchError(() => of([])))
    }).pipe(
      map((results) => {
        const officeMap: Record<number, string> = {};
        (results.offices || []).forEach((o: any) => {
          officeMap[o.id] = o.name;
        });

        const savingsItems = (results.savings?.pageItems || []).map((a: any) => ({
          ...a,
          officeName: officeMap[a.officeId] || a.officeName || '',
          fieldOfficerName: a.fieldOfficerName || '',
          accountType: a.depositType?.value || 'Savings'
        }));

        const currentItems = (Array.isArray(results.current) ? results.current : results.current?.pageItems || []).map(
          (a: any) => ({ ...a, accountType: 'Current' })
        );

        return { pageItems: [
            ...savingsItems,
            ...currentItems
          ] };
      })
    );
  }
}