import { Injectable, Inject} from '@angular/core';
import { Observable } from 'rxjs';
import {LocalStorageService} from 'ngx-webstorage';
import {Router} from '@angular/router';
import 'rxjs/add/operator/map';
import { DOCUMENT } from '@angular/platform-browser';


declare var jQuery : any;

import '../../../assets/custom.js';
declare function sign_out_google(): any;

@Injectable()
export class TokenService {

  constructor (private storage : LocalStorageService, @Inject(DOCUMENT) private document, private router : Router) {
    //var csrfToken : string = jQuery(document).find('meta[name="csrf-token"]').attr('content');
    //this.setCSRFToken(csrfToken);
  }
  
  /*
  getCSRFToken() : string{
    return this.storage.retrieve('csrf-token');
  }

  setCSRFToken(csrfToken : string){
    this.storage.store('csrf-token',csrfToken);
  }
*/

  getProvider() : TokenProvider {
    return this.storage.retrieve('provider');
  }

  setProvider(provider : TokenProvider){
    this.storage.store('provider',provider);
  }

  getToken() : string{
    return this.storage.retrieve('token');
  }

  setToken(token : string){
    this.storage.store('token',token);
  }
  
  isLoggedIn(){
    return this.storage.retrieve('loggedIn');
  }
  
  setLoggedIn(boolStatus){
    this.storage.store('loggedIn',boolStatus);
  }

  getEmail(){
    return this.storage.retrieve('email');
  }

  setEmail(email){
    this.storage.store('email',email);
  }

  getUsername(){
    return this.storage.retrieve('username');
  }

  setUsername(username){
    this.storage.store('username',username);
  }


  login(token: string, provider: TokenProvider, username: string, email: string){

    this.setLoggedIn(true);
    this.setToken(token);
    this.setProvider(provider);
    this.setUsername(username);
    this.setEmail(email);

    window.location.reload();

  }


  logout(){
    debugger;
    //set the log out actions here
    this.setLoggedIn(false);
    this.setEmail(null);
    this.setUsername(null);
    this.setToken(null);

    if(this.getProvider() == TokenProvider.google){
      sign_out_google();
    }

    this.setProvider(null);
    
    this.router.navigate(['/login'], { queryParams: { /*returnUrl: this.state.url*/ }});

    //window.location.reload();
  }


}

export enum TokenProvider {
  native,
  google
}