import { Capacitor } from '@capacitor/core';
import { NavigationEnd, Router } from '@angular/router';
import { Injectable } from '@angular/core';

import { FirebaseAnalytics } from "@capacitor-community/firebase-analytics";
import { filter } from "rxjs/operators";
import { environment } from '../../environments/environment';

@Injectable({
  providedIn: 'root'
})
export class AnalyticsService {

  constructor(private router: Router) {
    this.initialize();
    this.router.events.pipe(
      filter((e: any) => e instanceof NavigationEnd),
    ).subscribe((e: any) => {
      this.setScreenName(e.url);
    });
  }

  initialize() {
    if (!Capacitor.isNativePlatform()) {
      FirebaseAnalytics.initializeFirebase(environment.firebase);
    }
  }

  setScreenName(screenName) {
    FirebaseAnalytics.setScreenName({
      screenName: screenName,
      nameOverride: screenName
    });
  }

  logEvent(name, origin, category = 'click', data = '') {
    if (name) {
      FirebaseAnalytics.logEvent({
        name: name.replace(/\s/g, "_"),
        params: {
          category: category,
          origin: origin,
          data: data
        },
      });
    }
  }

  setUserId(id) {
    FirebaseAnalytics.setUserId({
      userId: id,
    });
  }
}