/**
 * 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, Input} from '@angular/core';
import {FormComponent} from '../../../common/forms/form.component';
import {FormBuilder, Validators} from '@angular/forms';
import {FimsValidators} from '../../../common/validator/validators';

export interface CustomerDetailFormData {
  identifier: string;
  firstName: string;
  middleName: string;
  lastName: string;
  dateOfBirth: {
    day?: number;
    month?: number;
    year?: number;
  };
  member: boolean;
}

@Component({
  selector: 'fims-customer-detail-form',
  templateUrl: './detail.component.html'
})
export class CustomerDetailFormComponent extends FormComponent<CustomerDetailFormData> {

  @Input() set formData(formData: CustomerDetailFormData) {
    const dateOfBirth = formData.dateOfBirth;

    this.form = this.formBuilder.group({
      identifier: [formData.identifier, [Validators.required, Validators.minLength(3), Validators.maxLength(32), FimsValidators.urlSafe]],
      firstName: [formData.firstName, [Validators.required, Validators.maxLength(256)]],
      middleName: [formData.middleName, Validators.maxLength(256)],
      lastName: [formData.lastName, [Validators.required, Validators.maxLength(256)]],
      dayOfBirth: [dateOfBirth ? this.formatDate(dateOfBirth.year, dateOfBirth.month, dateOfBirth.day) : undefined,
        [Validators.required, FimsValidators.beforeToday]],
      member: [formData.member],
    });
  };

  @Input() editMode: boolean;

  private formatDate(year: number, month: number, day: number): string {
    return `${year}-${this.addZero(month)}-${this.addZero(day)}`;
  }

  private addZero(value: number): string {
    return ('0' + value).slice(-2);
  }

  constructor(private formBuilder: FormBuilder) {
    super();
  }

  get formData(): CustomerDetailFormData{
    const birthDate: string = this.form.get('dayOfBirth').value;

    const chunks: string[] = birthDate ? birthDate.split('-') : [];

    return {
      identifier: this.form.get('identifier').value,
      firstName: this.form.get('firstName').value,
      middleName: this.form.get('middleName').value,
      lastName: this.form.get('lastName').value,
      dateOfBirth: {
        year: chunks.length ? Number(chunks[0]) : undefined,
        month: chunks.length ? Number(chunks[1]) : undefined,
        day: chunks.length ? Number(chunks[2]) : undefined,
      },
      member: this.form.get('member').value
    };
  }

}