/**
 * Created by jeremy on 24/07/17.
 */

import { Injectable } from '@angular/core';
import { Observable } from "rxjs";
import { ServiceManager } from "./serviceManager";
import { Http, Response } from "@angular/http";



@Injectable()
export class UserService extends ServiceManager {

  constructor (http: Http) {
    super(http);
  }

  authenticate(username: string, password: string): Observable<any> {
    let user = {
      username: username,
      password: password,
      token: ''
    };

    return this.http.post(this.baseUrl + '/authenticate', user)
      .map((res: Response) => {
        if (res) {
          user.token = res.json().id_token;

          localStorage.setItem('currentUser', JSON.stringify(user));
          this.getUser().subscribe((data) => {
            data.json.token = user.token;
            localStorage.setItem('currentUser', JSON.stringify(data.json));
          });
          return {status: res.status, json: res.json()}
        }
      });
  }

  isAuthenticated(): boolean {
    if (this.getToken()) {
      return true;
    }
    return false;
  }

  getToken() {
    let currentUser = this.getLocalUser();

    if (currentUser && currentUser.token) {
      return currentUser.token;
    }
    return '';
  }

  getLocalUser() {
    let currentUser = localStorage.getItem('currentUser');

    if (currentUser) {
      return JSON.parse(currentUser);
    }
    return '';
  }

  getUser() {
    return this.get('/user/');
  }

  getUsers(): Observable<any> {
    return this.get('/users');
  }

}