/**
 * @license
 * Copyright Akveo. All Rights Reserved.
 * Licensed under the MIT License. See License.txt in the project root for license information.
 */

import { Injectable, Inject } from '@angular/core';
import { NB_WINDOW } from '@nebular/theme';

@Injectable()
export class NgxAnalytics {
  private enabled: boolean;

  constructor(@Inject(NB_WINDOW) private window) {
    this.enabled = this.window.location.href.indexOf('akveo.github.io') >= 0;
  }

  trackEvent(eventName: string, eventVal: string = '') {
    if (this.enabled) {
      this.gtmPushToDataLayer({ event: eventName, eventValue: eventVal });
    }
  }

  // Push to 'dataLayer' Google Tag Manager array
  private gtmPushToDataLayer(params) {
    this.window.dataLayer.push(params);
  }
}