//auth-service.ts

import { Injectable } from '@angular/core';
import { Http, Headers } from '@angular/http';
import 'rxjs/add/operator/map';

let headers = new Headers();
headers.append('Content-Type', 'application/json');
headers.append('Access-Control-Allow-Headers', 'Content-Type, x-xsrf-token, x_csrftoken');
this.headers = {headers};

let apiUrl = 'http://Ip_address/api';

@Injectable()
export class AuthServiceProvider {

  constructor(public http: Http) {
    console.log('Hello AuthServiceProvider Provider');
  }

  postData(credentials , type) {
    return new Promise((resolve, reject) => {
      let headers = new Headers();
      this.http.post(apiUrl + type, JSON.stringify(credentials), {headers: headers})
        .subscribe(res => {
          resolve(res.json());
        }, (err) => {
          reject(err);
        });
    });
  }
}