/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import {Component, OnDestroy, OnInit, ViewChild} from '@angular/core';
import {ActivatedRoute, Router} from '@angular/router';
import {DepositAccountStore} from '../store/index';
import {CREATE, RESET_FORM} from '../store/product.actions';
import {Subscription} from 'rxjs/Subscription';
import * as fromDepositAccount from '../store';
import {Error} from '../../services/domain/error.model';
import {ProductDefinition} from '../../services/depositAccount/domain/definition/product-definition.model';
import {DepositProductFormComponent} from './form.component';
import {CurrencyService} from '../../services/currency/currency.service';
import {DepositAccountService} from '../../services/depositAccount/deposit-account.service';
import {Currency} from '../../services/currency/domain/currency.model';
import {Action} from '../../services/depositAccount/domain/definition/action.model';
import {Observable} from 'rxjs/Observable';

@Component({
  templateUrl: './create.component.html'
})
export class DepositProductCreateComponent implements OnInit, OnDestroy {

  private formStateSubscription: Subscription;

  @ViewChild('form') formComponent: DepositProductFormComponent;

  definition: ProductDefinition = {
    type: 'CHECKING',
    identifier: '',
    name: '',
    interest: 0,
    charges: [],
    currency: {
      code: 'USD',
      name: '',
      scale: 2,
      sign: ''
    },
    flexible: false,
    minimumBalance: 0,
    cashAccountIdentifier: '',
    expenseAccountIdentifier: '',
    term: {
      interestPayable: 'ANNUALLY'
    }
  };

  currencies: Observable<Currency[]>;

  actions: Observable<Action[]>;

  constructor(private router: Router, private route: ActivatedRoute, private depositStore: DepositAccountStore,
              private depositService: DepositAccountService, private currencyService: CurrencyService) {}

  ngOnInit(): void {
    this.currencies = this.currencyService.fetchCurrencies();
    this.actions = this.depositService.fetchActions();

    this.formStateSubscription = this.depositStore.select(fromDepositAccount.getProductFormError)
      .filter((error: Error) => !!error)
      .subscribe((error: Error) => {
        const detailForm = this.formComponent.formGroup;
        const errors = detailForm.get('identifier').errors || {};
        errors['unique'] = true;
        detailForm.get('identifier').setErrors(errors);
        this.formComponent.step.open();
      });
  }

  ngOnDestroy(): void {
    this.formStateSubscription.unsubscribe();

    this.depositStore.dispatch({ type: RESET_FORM });
  }

  onSave(productDefinition: ProductDefinition): void {
    this.depositStore.dispatch({ type: CREATE, payload: {
      productDefinition,
      activatedRoute: this.route
    }});
  }

  onCancel() {
    this.navigateAway();
  }

  navigateAway(): void {
    this.router.navigate(['../'], { relativeTo: this.route });
  }

}