cbsnexora/src/app/deposits/recurring-deposits/recurring-deposits-account-stepper/recurring-deposits-account-charges-step/recurring-deposits-account-charges-step.component.ts

/**
 * 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, OnInit, Input, OnChanges, inject } from '@angular/core';
import { UntypedFormControl } from '@angular/forms';
import { MatDialog } from '@angular/material/dialog';

/** Dialog Components */
import { DeleteDialogComponent } from 'app/shared/delete-dialog/delete-dialog.component';
import { FormDialogComponent } from 'app/shared/form-dialog/form-dialog.component';

/** Custom Services */
import { DatepickerBase } from 'app/shared/form-dialog/formfield/model/datepicker-base';
import { FormfieldBase } from 'app/shared/form-dialog/formfield/model/formfield-base';
import { InputBase } from 'app/shared/form-dialog/formfield/model/input-base';
import { SettingsService } from 'app/settings/settings.service';
import { Dates } from 'app/core/utils/dates';
import { Charge, Currency } from 'app/shared/models/general.model';
import { MatButton, MatIconButton } from '@angular/material/button';
import { FaIconComponent } from '@fortawesome/angular-fontawesome';
import {
  MatTable,
  MatColumnDef,
  MatHeaderCellDef,
  MatHeaderCell,
  MatCellDef,
  MatCell,
  MatHeaderRowDef,
  MatHeaderRow,
  MatRowDef,
  MatRow
} from '@angular/material/table';
import { MatStepperPrevious, MatStepperNext } from '@angular/material/stepper';
import { DateFormatPipe } from '../../../../pipes/date-format.pipe';
import { FormatNumberPipe } from '../../../../pipes/format-number.pipe';
import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';

/**
 * Recurring Deposit Account Charges Step
 */
@Component({
  selector: 'mifosx-recurring-deposits-account-charges-step',
  templateUrl: './recurring-deposits-account-charges-step.component.html',
  styleUrls: ['./recurring-deposits-account-charges-step.component.scss'],
  imports: [
    ...STANDALONE_SHARED_IMPORTS,
    FaIconComponent,
    MatTable,
    MatColumnDef,
    MatHeaderCellDef,
    MatHeaderCell,
    MatCellDef,
    MatCell,
    MatIconButton,
    MatHeaderRowDef,
    MatHeaderRow,
    MatRowDef,
    MatRow,
    MatStepperPrevious,
    MatStepperNext,
    DateFormatPipe,
    FormatNumberPipe
  ]
})
export class RecurringDepositsAccountChargesStepComponent implements OnInit, OnChanges {
  dialog = inject(MatDialog);
  private dateUtils = inject(Dates);
  private settingsService = inject(SettingsService);

  @Input() recurringDepositsAccountTemplate: any;
  @Input() recurringDepositsAccountProductTemplate: any;
  @Input() currencyCode: UntypedFormControl;
  @Input() recurringDepositAccountFormValid: boolean;

  /** Charges Data */
  chargeData: any[] = [];
  /** Charges Data Source */
  chargesDataSource: {}[] = [];
  /** Charges table columns */
  displayedColumns: string[] = [
    'name',
    'chargeCalculationType',
    'amount',
    'chargeTimeType',
    'date',
    'repaymentsEvery',
    'action'
  ];
  /** Component is pristine if there has been no changes by user interaction */
  pristine = true;
  /** For Edit Recurring Deposits Account Form */
  isChargesPatched = false;
  /** Currency Code */
  currency: Currency | null = null;

  ngOnInit() {
    this.chargesDataSource = [];
    if (this.recurringDepositsAccountTemplate.id && this.recurringDepositsAccountTemplate.charges) {
      // Edit mode: load saved charges from existing account
      this.chargesDataSource =
        this.recurringDepositsAccountTemplate.charges.map((charge: any) => ({ ...charge, id: charge.chargeId })) || [];
      this.isChargesPatched = true;
    }
  }

  ngOnChanges() {
    if (this.currency == null) {
      if (this.recurringDepositsAccountTemplate.currency) {
        this.currency = this.recurringDepositsAccountTemplate.currency;
      } else if (
        this.recurringDepositsAccountProductTemplate &&
        this.recurringDepositsAccountProductTemplate.currency
      ) {
        this.currency = this.recurringDepositsAccountProductTemplate.currency;
      }
    }
    if (this.recurringDepositsAccountProductTemplate) {
      this.chargeData = this.recurringDepositsAccountProductTemplate.chargeOptions.filter(
        (c: Charge) => c.currency.code === this.currency?.code
      );

      // New account: pre-populate charges from product template
      if (!this.isChargesPatched && !this.recurringDepositsAccountTemplate?.id) {
        const productCharges = this.recurringDepositsAccountProductTemplate.charges;
        if (Array.isArray(productCharges) && productCharges.length > 0) {
          this.chargesDataSource = productCharges.map((charge: any) => ({ ...charge, id: charge.chargeId }));
        }
        this.isChargesPatched = true;
      }
    }
  }

  /**
   * Add a charge
   */
  addCharge(charge: any) {
    this.chargesDataSource = this.chargesDataSource.concat([charge.value]);
    charge.value = '';
    this.pristine = false;
  }

  /**
   * Edits the Charge Amount
   * @param {any} charge Charge
   */
  editChargeAmount(charge: any) {
    const formfields: FormfieldBase[] = [
      new InputBase({
        controlName: 'amount',
        label: 'Amount',
        value: charge.amount,
        type: 'number',
        required: false
      })
    ];
    const data = {
      title: 'Edit Charge Amount',
      layout: { addButtonText: 'Confirm' },
      formfields: formfields
    };
    const editNoteDialogRef = this.dialog.open(FormDialogComponent, { data });
    editNoteDialogRef.afterClosed().subscribe((response: any) => {
      if (response.data) {
        const newCharge = { ...charge, amount: response.data.value.amount };
        this.chargesDataSource.splice(this.chargesDataSource.indexOf(charge), 1, newCharge);
        this.chargesDataSource = this.chargesDataSource.concat([]);
      }
    });
    this.pristine = false;
  }

  /**
   * Edits the Charge Date
   * @param {any} charge Charge
   */
  editChargeDate(charge: any) {
    const formfields: FormfieldBase[] = [
      new DatepickerBase({
        controlName: 'date',
        label: 'Date',
        value: charge.dueDate || charge.feeOnMonthDay || '',
        type: 'datetime-local',
        required: false
      })
    ];
    const data = {
      title: 'Edit Charge Date',
      layout: { addButtonText: 'Confirm' },
      formfields: formfields
    };
    const editNoteDialogRef = this.dialog.open(FormDialogComponent, { data });
    editNoteDialogRef.afterClosed().subscribe((response: any) => {
      if (response.data) {
        let newCharge: any;
        const dateFormat = this.settingsService.dateFormat;
        const date = this.dateUtils.formatDate(response.data.value.date, dateFormat);
        switch (charge.chargeTimeType.value) {
          case 'Specified due date':
          case 'Weekly Fee':
            newCharge = { ...charge, dueDate: date };
            break;
          case 'Annual Fee':
            newCharge = { ...charge, feeOnMonthDay: date };
            break;
        }
        this.chargesDataSource.splice(this.chargesDataSource.indexOf(charge), 1, newCharge);
        this.chargesDataSource = this.chargesDataSource.concat([]);
      }
    });
    this.pristine = false;
  }

  /**
   * Edits the Charge Fee Interval
   * @param {any} charge Charge
   */
  editChargeFeeInterval(charge: any) {
    const formfields: FormfieldBase[] = [
      new InputBase({
        controlName: 'feeInterval',
        label: 'Fee Interval',
        value: charge.feeInterval,
        type: 'text',
        required: false
      })
    ];
    const data = {
      title: 'Edit Charge Fee Interval',
      layout: { addButtonText: 'Confirm' },
      formfields: formfields
    };
    const editNoteDialogRef = this.dialog.open(FormDialogComponent, { data });
    editNoteDialogRef.afterClosed().subscribe((response: any) => {
      if (response.data) {
        const newCharge = { ...charge, feeInterval: response.data.value.feeInterval };
        this.chargesDataSource.splice(this.chargesDataSource.indexOf(charge), 1, newCharge);
        this.chargesDataSource = this.chargesDataSource.concat([]);
      }
    });
    this.pristine = false;
  }

  /**
   * Delete a particular charge
   * @param charge Charge
   */
  deleteCharge(charge: any) {
    const deleteChargeDialogRef = this.dialog.open(DeleteDialogComponent, {
      data: { deleteContext: `charge ${charge.name}` }
    });
    deleteChargeDialogRef.afterClosed().subscribe((response: any) => {
      if (response.delete) {
        this.chargesDataSource.splice(this.chargesDataSource.indexOf(charge), 1);
        this.chargesDataSource = this.chargesDataSource.concat([]);
        this.pristine = false;
      }
    });
  }

  /**
   * Returns Recurring Deposits Account Charges Form
   */
  get recurringDepositAccountCharges() {
    return {
      charges: this.chargesDataSource
    };
  }
}