import { Injectable } from '@angular/core';
import { CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, UrlTree, Router } from '@angular/router';
import { Observable } from 'rxjs';

@Injectable({
  providedIn: 'root'
})
export class AuthGuard implements CanActivate {
  constructor(private router: Router) { }

  canActivate(next: ActivatedRouteSnapshot,
    state: RouterStateSnapshot): Observable<boolean | UrlTree> | Promise<boolean | UrlTree> | boolean | UrlTree {
    if (localStorage.getItem('access_token')) {
      console.log("token var"); //logger servisini gönderilecek.
      return true;
    }
    console.log("token yok");
    this.router.navigate(['/login'], { queryParams: { returnUrl: state.url } });
    return false;
  }
  
}