import { EventEmitter, Injectable } from '@angular/core';
import { IcsToast } from './types/ics-toast';
import { IcsToastType } from './types/ics-toast-type';

@Injectable()
export class IcsToastService {
  public toast$: EventEmitter<IcsToast>;

  constructor() {
    this.toast$ = new EventEmitter<IcsToast>();
  }

  public success(message: string, keepAfterRouteChange = false) {
    this.next({
      icon: IcsToastType.SUCCESS,
      message: message,
      keepAfterRouteChange: keepAfterRouteChange
    });
  }

  public error(message: string, keepAfterRouteChange = false) {
    this.next({
      icon: IcsToastType.ERROR,
      message: message,
      keepAfterRouteChange: keepAfterRouteChange
    });
  }

  public loading(message: string, keepAfterRouteChange = false) {
    this.next({
      icon: IcsToastType.LOADING,
      message: message,
      keepAfterRouteChange: keepAfterRouteChange
    });
  }

  public clear() {
    this.next(null);
  }

  private next(toast: IcsToast) {
    this.toast$.emit(toast);
  }
}