/**
 * 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, inject } from '@angular/core';
import { UntypedFormBuilder, UntypedFormGroup, Validators, ReactiveFormsModule } from '@angular/forms';
import { Router, ActivatedRoute, RouterLink } from '@angular/router';

/** Custom Services */
import { AccountingService } from '../../accounting.service';
import { GLAccount } from 'app/shared/models/general.model';
import { GlAccountSelectorComponent } from '../../../shared/accounting/gl-account-selector/gl-account-selector.component';
import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
import { accountOptionsForActivity } from '../financial-activity-account-options';

/**
 * Edit financial activity mapping component.
 */
@Component({
  selector: 'mifosx-edit-financial-activity-mapping',
  templateUrl: './edit-financial-activity-mapping.component.html',
  styleUrls: ['./edit-financial-activity-mapping.component.scss'],
  imports: [
    ...STANDALONE_SHARED_IMPORTS,
    GlAccountSelectorComponent
  ]
})
export class EditFinancialActivityMappingComponent implements OnInit {
  private formBuider = inject(UntypedFormBuilder);
  private accountingService = inject(AccountingService);
  private route = inject(ActivatedRoute);
  private router = inject(Router);

  /** Financial activity mapping form. */
  financialActivityMappingForm: UntypedFormGroup;
  /** GL Account options. */
  glAccountOptions: any;
  /** GL Account data. */
  glAccountData: GLAccount[] = [];
  /** Financial activity data. */
  financialActivityData: any;
  /** Financial activity account ID. */
  financialActivityAccountId: string;
  /** Financial activity ID. */
  financialActivityId: number;
  /** GL Account ID. */
  glAccountId: number;

  /**
   * Retrieves the gl account options, financial activity and financial activity account data from `resolve`.
   * @param {FormBuilder} formBuilder Form Builder.
   * @param {AccountingService} accountingService Accounting Service.
   * @param {ActivatedRoute} route Activated Route.
   * @param {Router} router Router for navigation.
   */
  constructor() {
    this.route.data.subscribe((data: { financialActivityAccountAndTemplate: any }) => {
      this.financialActivityAccountId = data.financialActivityAccountAndTemplate.id;
      this.financialActivityId = data.financialActivityAccountAndTemplate.financialActivityData.id;
      this.glAccountId = data.financialActivityAccountAndTemplate.glAccountData.id;
      this.glAccountOptions = data.financialActivityAccountAndTemplate.glAccountOptions;
      this.financialActivityData = data.financialActivityAccountAndTemplate.financialActivityOptions;
    });
  }

  /**
   * Creates and sets the financial activity mapping form and sets the gl account data.
   */
  ngOnInit() {
    this.createFinancialActivityMappingForm();
    this.setGLAccountData();
    this.financialActivityMappingForm.get('financialActivityId').setValue(this.financialActivityId);
    this.financialActivityMappingForm.get('glAccountId').setValue(this.glAccountId);
  }

  /**
   * Creates the financial activity mapping form.
   */
  createFinancialActivityMappingForm() {
    this.financialActivityMappingForm = this.formBuider.group({
      financialActivityId: [
        '',
        Validators.required
      ],
      glAccountId: [
        '',
        Validators.required
      ]
    });
  }

  /**
   * Sets the gl account data on the basis of selected financial activity.
   */
  setGLAccountData() {
    this.financialActivityMappingForm.get('financialActivityId').valueChanges.subscribe((financialActivityId) => {
      this.glAccountData = accountOptionsForActivity(
        this.financialActivityData,
        financialActivityId,
        this.glAccountOptions
      );
    });
  }

  /**
   * Submits the financial activity mapping form and updates financial activity account,
   * if successful redirects to view updated account.
   */
  submit() {
    this.accountingService
      .updateFinancialActivityAccount(this.financialActivityAccountId, this.financialActivityMappingForm.value)
      .subscribe((response: any) => {
        this.router.navigate(
          [
            '../../',
            response.resourceId
          ],
          { relativeTo: this.route }
        );
      });
  }
}