import { Component, OnInit, Output, EventEmitter, Input } from '@angular/core';
import {FormGroup, FormBuilder, Validators, FormControl, ValidationErrors, AbstractControl} from '@angular/forms';
import {Member} from '@overflow/commons-typescript/model/member';

@Component({
  selector: 'of-member-modify-password',
  templateUrl: './member-modify-password.component.html',
})
export class MemberModifyPasswordComponent implements OnInit {
  @Input() token: string;
  @Input() member: Member;

  @Output() modifyPassword = new EventEmitter<{token: string, password: string, confirmPassword: string}>();
  @Output() signin = new EventEmitter();

  modifyPasswordForm: FormGroup;
  password: AbstractControl;
  pwConfirm: AbstractControl;

  constructor(
    private formBuilder: FormBuilder,
  ) { }

  ngOnInit() {
    this.initForm();
  }

  initForm() {
    this.modifyPasswordForm = this.formBuilder.group({
      'password': [
        '',
        [
          Validators.required,
          Validators.pattern('^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[#?!@$%^&*-]).{6,}$'),
          Validators.minLength(6),
          Validators.maxLength(25),
        ]
      ],
      'pwConfirm': [
        '',
        [
          Validators.compose([
          Validators.required, this.pwMatchValidator
          ])
        ]
      ]
    });

    this.password = this.modifyPasswordForm.controls['password'];
    this.pwConfirm = this.modifyPasswordForm.controls['pwConfirm'];
  }

  pwMatchValidator(control: FormControl): ValidationErrors {
    let pw;
    if (control.parent) {
      pw = control.parent.controls['password'].value;
    }
    if (control.value !== pw) {
      return { notMatched: true };
    }
    return null;
  }

  modifyPasswordFormSubmit() {
    const formValue = Object.assign({}, this.modifyPasswordForm.value);
    this.modifyPassword.emit({token: this.token, password: formValue.pw, confirmPassword: formValue.confirmPw});
  }

  onSignin() {
    this.signin.emit();
  }
}