import { ElementRef, Injector, Directive, HostListener } from '@angular/core';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { ValueAccessor } from '@ionic/angular/common';

@Directive({
  /* tslint:disable-next-line:directive-selector */
  selector: 'ion-select, ion-radio-group, ion-segment, ion-datetime',
  providers: [
    {
      provide: NG_VALUE_ACCESSOR,
      useExisting: SelectValueAccessorDirective,
      multi: true,
    },
  ],
})
export class SelectValueAccessorDirective extends ValueAccessor {
  constructor(injector: Injector, el: ElementRef) {
    super(injector, el);
  }

  @HostListener('ionChange', ['$event.target'])
  _handleChangeEvent(
    el: HTMLIonSelectElement | HTMLIonRadioGroupElement | HTMLIonSegmentElement | HTMLIonDatetimeElement
  ): void {
    this.handleValueChange(el, el.value);
  }
}