/**
* @license
* Copyright (C) 2017 "IoT.bzh"
* Author Sebastien Douheret <sebastien@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

import { Injectable } from '@angular/core';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/observable/of';

let counter = 0;

@Injectable()
export class UserService {

  private users = {
    anonymous: { name: 'Anonymous', picture: 'assets/images/anonymous.png' },
  };

  private userArray: any[];

  constructor() {
    // this.userArray = Object.values(this.users);
  }

  getUsers(): Observable<any> {
    return Observable.of(this.users);
  }

  getUserArray(): Observable<any[]> {
    return Observable.of(this.userArray);
  }

  getUser(): Observable<any> {
    counter = (counter + 1) % this.userArray.length;
    return Observable.of(this.userArray[counter]);
  }
}