/**
 * 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 { Component, inject } from '@angular/core';
import {
  MatDialogRef,
  MAT_DIALOG_DATA,
  MatDialogContent,
  MatDialogActions,
  MatDialogClose
} from '@angular/material/dialog';
import { FaIconComponent } from '@fortawesome/angular-fontawesome';
import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';

export interface TransactionConfirmData {
  /** 'deposit' | 'withdrawal' — drives the colour palette + sign. */
  kind: 'deposit' | 'withdrawal';
  clientName: string | null;
  accountNo: string | null;
  currentBalance: number;
  transactionAmount: number;
  paymentTypeLabel: string | null;
}

/**
 * Pre-commit confirmation pop-up showing the cashier exactly how the
 * deposit / withdrawal will affect the account: current balance, the
 * transaction amount, and the post-transaction balance.
 */
@Component({
  selector: 'mifosx-transaction-confirm-dialog',
  standalone: true,
  templateUrl: './transaction-confirm-dialog.component.html',
  styleUrls: ['./transaction-confirm-dialog.component.scss'],
  imports: [
    ...STANDALONE_SHARED_IMPORTS,
    MatDialogContent,
    MatDialogActions,
    MatDialogClose,
    FaIconComponent
  ]
})
export class TransactionConfirmDialogComponent {
  dialogRef = inject<MatDialogRef<TransactionConfirmDialogComponent>>(MatDialogRef);
  data = inject<TransactionConfirmData>(MAT_DIALOG_DATA);

  get isDeposit(): boolean {
    return this.data.kind === 'deposit';
  }

  get signedAmount(): number {
    return this.isDeposit ? this.data.transactionAmount : -this.data.transactionAmount;
  }

  get newBalance(): number {
    return this.data.currentBalance + this.signedAmount;
  }

  get overdraft(): boolean {
    return !this.isDeposit && this.newBalance < 0;
  }

  confirm(): void {
    this.dialogRef.close({ confirm: true });
  }

  cancel(): void {
    this.dialogRef.close({ confirm: false });
  }
}