/**
 * 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 { Component, Input, Output, EventEmitter, OnChanges } from '@angular/core';
import {
  MatTableDataSource,
  MatTable,
  MatColumnDef,
  MatHeaderCellDef,
  MatHeaderCell,
  MatCellDef,
  MatCell,
  MatHeaderRowDef,
  MatHeaderRow,
  MatRowDef,
  MatRow
} from '@angular/material/table';
import { MatDivider } from '@angular/material/divider';
import { ExternalIdentifierComponent } from '../../../shared/external-identifier/external-identifier.component';
import { FaIconComponent } from '@fortawesome/angular-fontawesome';
import { FindPipe } from '../../../pipes/find.pipe';
import { DateFormatPipe } from '../../../pipes/date-format.pipe';
import { FormatNumberPipe } from '../../../pipes/format-number.pipe';
import { YesnoPipe } from '../../../pipes/yesno.pipe';
import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';

/**
 * Savings account preview step
 */
@Component({
  selector: 'mifosx-savings-account-preview-step',
  templateUrl: './savings-account-preview-step.component.html',
  styleUrls: ['./savings-account-preview-step.component.scss'],
  imports: [
    ...STANDALONE_SHARED_IMPORTS,
    MatDivider,
    ExternalIdentifierComponent,
    MatTable,
    MatColumnDef,
    MatHeaderCellDef,
    MatHeaderCell,
    MatCellDef,
    MatCell,
    MatHeaderRowDef,
    MatHeaderRow,
    MatRowDef,
    MatRow,
    FaIconComponent,
    FindPipe,
    DateFormatPipe,
    FormatNumberPipe,
    YesnoPipe
  ]
})
export class SavingsAccountPreviewStepComponent implements OnChanges {
  readonly digitalFacilityLabels = [
    { key: 'atmFacility', label: 'ATM Facility' },
    { key: 'atmWithdrawalFacility', label: 'ATM Withdrawal' },
    { key: 'upiFacility', label: 'UPI Facility' },
    { key: 'posTransactionsFacility', label: 'POS Transactions' },
    { key: 'chequeBook', label: 'Cheque Book' },
    { key: 'impsFacility', label: 'IMPS Facility' },
    { key: 'smsAlerts', label: 'SMS Alerts' },
    { key: 'bbpsFacility', label: 'BBPS Facility' },
    { key: 'insuranceCover', label: 'Insurance Cover' },
    { key: 'bepgFacility', label: 'BEPG Facility' },
    { key: 'neftFacility', label: 'NEFT Facility' },
    { key: 'rtgsFacility', label: 'RTGS Facility' },
    { key: 'interBankTotalCapFacility', label: 'Inter-Bank Total Cap' },
    { key: 'depositFacilityKyc', label: 'Deposit Facility (KYC)' },
    { key: 'virtualDebitCard', label: 'Virtual Debit Card' }
  ];

  /** Savings Account Product Template */
  @Input() savingsAccountProductTemplate: any;
  /** Savings Account Template */
  @Input() savingsAccountTemplate: any;
  /** Savings Account Terms Form */
  @Input() savingsAccountTermsForm: any;
  /** Savings Account */
  @Input() savingsAccount: any;
  /** Digital facilities — user-modified values from digital step */
  @Input() savingsAccountDigital: any;
  /** Nominees list from currency step */
  @Input() savingsAccountNominees: any[] = [];
  /** active Client Members in case of GSIM Account */
  @Input() activeClientMembers?: any;
  /** Hide internal Cancel/Submit buttons when parent provides its own action bar */
  @Input() hideButtons = false;
  /** Disables the Submit button while a submission is in flight, preventing duplicate double-click requests */
  @Input() submitting = false;

  /** Table Data Source */
  dataSource: any;

  /** Display columns for charges table */
  chargesDisplayedColumns: string[] = [
    'name',
    'chargeCalculationType',
    'amount',
    'chargeTimeType',
    'date',
    'repaymentsEvery'
  ];
  /** Columns to be displayed in active members table. */
  membersDisplayedColumns: string[] = [
    'id',
    'name'
  ];

  /** Form submission event */
  @Output() submitEvent = new EventEmitter();
  /** Goes back a tab in the parent wizard — kept here so Previous renders in the same row as
   *  Cancel/Submit instead of a separate action bar underneath. */
  @Output() previousEvent = new EventEmitter();

  ngOnChanges(): void {
    if (this.activeClientMembers?.length > 0) {
      this.dataSource = new MatTableDataSource<any>(this.activeClientMembers.filter((member: any) => member.selected));
    }
  }

  /** Digital facility config as actually captured by a digital step in this wizard -- no fallback
   *  to the product's own defaults, since account creation no longer has a digital step at all and
   *  must not preview facilities the officer never actually chose. */
  get digitalFacilityConfig(): any {
    return this.savingsAccountDigital?.accountFacilityConfig ?? null;
  }

  get hasDigitalSection(): boolean {
    return !!this.digitalFacilityConfig;
  }

  /** Currency info from product template */
  get currencyName(): string {
    return (
      this.savingsAccountProductTemplate?.currency?.name ||
      this.savingsAccountTermsForm?.get?.('currencyCode')?.value ||
      '—'
    );
  }

  get decimalPlaces(): string | number {
    return this.savingsAccountProductTemplate?.currency?.decimalPlaces ?? '—';
  }

  get inMultiplesOf(): string | number {
    return this.savingsAccountProductTemplate?.currency?.inMultiplesOf ?? '—';
  }
}