import {Injectable} from '@angular/core';
import {OauthService} from './oauth.service';
import {Observable} from 'rxjs/Observable';
import {isUndefined} from 'util';
import {CookieService} from 'ngx-cookie-service';
import {ApiService} from './api.service';
import {BehaviorSubject} from 'rxjs/BehaviorSubject';

@Injectable()
export class AuthService {
  public userId: number;
  public user$: BehaviorSubject<UserData> = new BehaviorSubject(null);
  public logged$: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
  private _CONSUMER_KEY: string;

  public constructor(
    private _oauth: OauthService,
    private _cookie: CookieService,
    private _api: ApiService
  ) {}

  public logIn(userData: UserData): Observable<any> {
    return this._oauth.post('url',
      {username: userData.email, password: userData.password});
  }

  public saveUser(userData: UserData): void {
    this.logged$.next(true);
    this._cookie.set('stuurm', userData);
    this.user$.next(userData);
  }

  public logOut(): void {
    this.logged$.next(false);
    this.user$.next(null);
  }

  public registerUser(newUser: NewUser): Observable<any> {
    const URL: string = 'some/url';
    const requestString: string =
      `name=${newUser.name}&vorname=${newUser.vorname}&email=${newUser.email}&password=${newUser.password}&password_conf=${newUser['password_conf']}&consumer_key=${this._CONSUMER_KEY}`;
    return this._api.post(
      URL,
      encodeURI(requestString),
      {'Content-Type': 'application/x-www-form-urlencoded'});
  }
}