import { Injectable } from '@angular/core';
import { Router, CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router';
import { AccountService } from './account.service';

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

  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
    const user = this.accountService.userName;

    if (user) {
      return true;
    }

    this.router.navigate(['/login'], {queryParams: {returnURL: state.url}});
    return false;
  }
}