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

/*
  Generated class for the UsersService provider.

  See https://angular.io/docs/ts/latest/guide/dependency-injection.html
  for more info on providers and Angular 2 DI.
*/
@Injectable()
export class UsersService {

	private data: any;
	public fireAuth: any;
	public userProfile: any;

private data: any;

  constructor(public http: Http) {

  	this.fireAuth = firebase.auth();
  	this.userProfile = firebase.database().ref('users');


   }




  loadUser(number) {
	if(this.data) {
		return Promise.resolve(this.data);
	}

	return new Promise(resolve => {

		this.http.get('https://randomuser.me/api/?results='+number)
			.map(res => res.json())
			.subscribe(data => {
				this.data = data.results;
				resolve(this.data);
			})
	})

}


signUpUser(email: string , password: string){
		return this.fireAuth.createUserWithEmailAndPassword(email, password).then((newUser) => {
			//sign in the user
			this.fireAuth.signInWithEmailAndPassword(email, password).then((authenticatedUser) => {
				//successful login, create user profile
					this.userProfile.child(authenticatedUser.uid).set({
						email: email
					});
					});
		});
}


loginUser (email: string, password: string): any {
	return this.fireAuth.signInWithEmailAndPassword(email, password);


}

logoutUser() {

	return this.fireAuth.signOut();

	//redirect after

}

forgotUserPassword(email: any) {
	return this.fireAuth.sendPasswordResetEmail(email);
}

googleSignInUser(){
 	var provider = new firebase.auth.GoogleAuthProvider();
 	provider.addScope('https://www.googleapis.com/auth/plus.login');



 	var that = this;

 	return firebase.auth().signInWithPopup(provider).then(function(result) {

  if (result.user) {

    // The signed-in user info.
  var user = result.user;

    var res = result.user.displayName.split(" ");


    that.userProfile.child(user.uid).set({
			email: user.email,
			photo: user.photoURL,
			username: user.displayName,
			 name:{
			 	first: res[0],
			 	middle: res[1],
			 	last: res[2],
			},
		});



  }

}).catch(function(error) {
	console.log(error);
    //alert("error "+error.message);
});
 }


}