/**
 * 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/.
 */

/** Angular Imports */
import { Injectable, inject } from '@angular/core';
import { ActivatedRouteSnapshot } from '@angular/router';

/** rxjs Imports */
import { Observable, of } from 'rxjs';
import { catchError, map, switchMap } from 'rxjs/operators';

/** Custom Services */
import { SavingsService } from '../savings.service';
import { VoucherCorrectionService } from '../../cashier/voucher-correction.service';

/**
 * Savings Account data resolver.
 */
@Injectable()
export class SavingsAccountViewResolver {
  private savingsService = inject(SavingsService);
  private voucherCorrectionService = inject(VoucherCorrectionService);

  /**
   * Returns the Savings Account data, without the deposits a completed voucher correction took off this account:
   * the passbook and the transaction list read their rows from here, and a deposit that was posted to the wrong
   * account and moved should not appear on it at all.
   * @param {ActivatedRouteSnapshot} route Route Snapshot
   * @returns {Observable<any>}
   */
  resolve(route: ActivatedRouteSnapshot): Observable<any> {
    const savingAccountId = route.paramMap.get('savingAccountId');
    return this.savingsService.getSavingsAccountData(savingAccountId).pipe(
      switchMap((account: any) =>
        this.voucherCorrectionService.voidedTransactions(Number(savingAccountId)).pipe(
          catchError(() => of([] as number[])),
          map((voided: number[]) => {
            if (voided.length && Array.isArray(account?.transactions)) {
              account.transactions = account.transactions.filter((txn: any) => !voided.includes(txn.id));
            }
            return account;
          })
        )
      )
    );
  }
}