{
  "hotels" : {
    "bCtwqGdnLlU5cumqun7yyv1MDFC5" : {
      "address" : "Rua. Exemplo 1",
      "city" : "ITAGUAÍ",
      "name" : "HOTEL TULIPINN"
    },
    "bdtwqGdnLlU5cumqun7yyv1MDFC6" : {
      "address" : "Rua. Exemplo 2",
      "city" : "P. NEGRA",
      "name" : "HOTEL GOLDEN TULIP"
    }
  },
  "users" : {
    "zDtwqGdnLlU5cumqun7yyv1MDFC3" : {
      "password" : "123456",
      "username" : "thiago.saad@neoris.com"
    }
  },
  "vouchers" : {
    "aBtwqGdnLlU5cumqun7yyv1MDFC4" : {
      "dateBooking" : "01/01/01",
      "dateCheckin" : "02/02/02",
      "dateCheckout" : "03/03/03",
      "hotel" : "bCtwqGdnLlU5cumqun7yyv1MDFC5",
      "quantityAdult" : 2,
      "quantityChild" : 0,
      "quantityRoom" : 1,
      "user" : "zDtwqGdnLlU5cumqun7yyv1MDFC3"
    },
    "aCtwqGdnLlU5cumqun7yyv1MDFC5" : {
      "dateBooking" : "05/05/05",
      "dateCheckin" : "06/06/06",
      "dateCheckout" : "07/07/07",
      "hotel" : "bdtwqGdnLlU5cumqun7yyv1MDFC6",
      "quantityAdult" : 1,
      "quantityChild" : 5,
      "quantityRoom" : 10,
      "user" : "zDtwqGdnLlU5cumqun7yyv1MDFC3"
    }
  }
}

package com.hotelaria.neoris.checkincheckout.models.objects;

public class Hotel {

    private String code;
    private String name;
    private String address;
    private String city;
    //private int imageLogoType;
    //private int imageBackground;
    //private int imageStars;

    public Hotel() {
        // Default constructor required for calls to DataSnapshot.getValue(Hotel.class)
    }

    public Hotel(String code, String name, String address, String city){
        this.code = code;
        this.name = name;
        this.address = address;
        this.city = city;
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public String getCity() {
        return city;
    }

    public void setCity(String city) {
        this.city = city;
    }
}

package com.hotelaria.neoris.checkincheckout.models.objects;

import java.util.ArrayList;

public class User {
    private String code;
    private String username;
    private String password;
    private ArrayList<Voucher> voucher;

    public User(){
        // Default constructor required for calls to DataSnapshot.getValue(User.class)
    }

    public User(String code, String username, String password, ArrayList<Voucher> voucher){
        this.code = code;
        this.username = username;
        this.password = password;
        this.voucher = new ArrayList<Voucher>();
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public ArrayList<Voucher> getVoucher() {
        return voucher;
    }

    public void setVoucher(ArrayList<Voucher> voucher) {
        this.voucher = voucher;
    }

}

package com.hotelaria.neoris.checkincheckout.models.objects;

import java.util.ArrayList;

public class Voucher {
    private String code;
    private String dateBooking;
    private String dateCheckin;
    private String dateCheckout;
    private byte quantityRoom;
    private byte quantityAdult;
    private byte quantityChild;
    private ArrayList<Hotel> hotel;

    public Voucher() {
        // Default constructor required for calls to DataSnapshot.getValue(Voucher.class)
    }

    public Voucher(String code, String dateBooking, String dateCheckin, String dateCheckout, byte quantityRoom, byte quantityAdult, byte quantityChild, ArrayList<Hotel> hotel){
        this.code = code;
        this.dateBooking = dateBooking;
        this.dateCheckin = dateCheckin;
        this.dateCheckout = dateCheckout;
        this.quantityRoom = quantityRoom;
        this.quantityAdult = quantityAdult;
        this.quantityChild = quantityChild;
        this.hotel = new ArrayList<Hotel>();
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getDateBooking() {
        return dateBooking;
    }

    public void setDateBooking(String dateBooking) {
        this.dateBooking = dateBooking;
    }

    public String getDateCheckin() {
        return dateCheckin;
    }

    public void setDateCheckin(String dateCheckin) {
        this.dateCheckin = dateCheckin;
    }

    public String getDateCheckout() {
        return dateCheckout;
    }

    public void setDateCheckout(String dateCheckout) {
        this.dateCheckout = dateCheckout;
    }

    public byte getQuantityRoom() {
        return quantityRoom;
    }

    public void setQuantityRoom(byte quantityRoom) {
        this.quantityRoom = quantityRoom;
    }

    public byte getQuantityAdult() {
        return quantityAdult;
    }

    public void setQuantityAdult(byte quantityAdult) {
        this.quantityAdult = quantityAdult;
    }

    public byte getQuantityChild() {
        return quantityChild;
    }

    public void setQuantityChild(byte quantityChild) {
        this.quantityChild = quantityChild;
    }

    public ArrayList<Hotel> getHotel() {
        return hotel;
    }

    public void setHotel(ArrayList<Hotel> hotel) {
        this.hotel = hotel;
    }
}

package com.hotelaria.neoris.checkincheckout.models.objects;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.support.annotation.NonNull;
import android.util.Log;
import android.widget.Toast;

import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.Query;
import com.google.firebase.database.ValueEventListener;
import com.hotelaria.neoris.checkincheckout.activitys.MainActivity;
import com.hotelaria.neoris.checkincheckout.activitys.SignupActivity;
;

public class Firebase {
    private FirebaseDatabase mFirebaseDatabase = FirebaseDatabase.getInstance();
    private FirebaseAuth mFirebaseAuth = FirebaseAuth.getInstance();
    private DatabaseReference mDatabaseReference = mFirebaseDatabase.getReference();
    private Query mQuery;

    private User mUser;

    public Firebase(){
        // @TODO
    }

    public void writeNewUser(final String username, final String password, final Context activityContext){
        this.mFirebaseAuth.createUserWithEmailAndPassword(username, password).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
            @Override
            public void onComplete(@NonNull Task<AuthResult> task) {
                if(task.isSuccessful()){
                    String userKey = mFirebaseAuth.getUid();
                    mUser = new User(userKey, username, password, null);
                    mDatabaseReference.child("users/" + userKey).setValue(mUser);
                    Toast.makeText(activityContext,"SUCESSO, CONTA CADASTRADA!", Toast.LENGTH_SHORT).show();
                } else {
                    Toast.makeText(activityContext,"OPS, ACONTECEU ALGUM ERRO!", Toast.LENGTH_SHORT).show();
                }
            }
        });
    }

    public void signIn(String username, String password, final Context activityContext){
        this.mFirebaseAuth.signInWithEmailAndPassword(username, password).addOnCompleteListener(new OnCompleteListener<AuthResult>() {
            @Override
            public void onComplete(@NonNull Task<AuthResult> task) {
                if(task.isSuccessful()){
                    Toast.makeText(activityContext,"SUCESSO NA AUTENTIFICAÇÃO", Toast.LENGTH_SHORT).show();
                    activityContext.startActivity(new Intent(activityContext, MainActivity.class));
                } else{
                    Toast.makeText(activityContext,"PROBLEMA NA AUTENTIFICAÇÃO", Toast.LENGTH_SHORT).show();
                }
            }
        });
    }

    public void queryUserData(){
        String userId = this.mFirebaseAuth.getUid();
        this.mQuery = this.mDatabaseReference.child("users").orderByKey().equalTo(userId);
        this.mQuery.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                for (DataSnapshot userSnapshot: dataSnapshot.getChildren()){
                    mUser = userSnapshot.getValue(User.class);
                    Log.i("TESTANDO", mUser.getUsername().toString());
                    Log.i("TESTANDO", mUser.getPassword().toString());
                    Log.i("TESTANDO", mUser.getVoucher().toString());
                    //setUsername(mDataUser.getUsername().toString());
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {
                // Getting Post failed, log a message
                Log.w("onCancelled", "loadPost:onCancelled", databaseError.toException());
                // ...
            }
        });
    }



}