package com.example.ab.sociallogin;

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;

public class MainActivity extends AppCompatActivity {

    private FirebaseAuth mAuth;
    private Context context;
    private EditText email,password;
    private Button btnSignIn, btnSignUp;
    private FirebaseDatabase database;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mAuth = FirebaseAuth.getInstance();
        context = this;
        email = (EditText)findViewById(R.id.email);
        password = (EditText)findViewById(R.id.password);
        btnSignIn = (Button)findViewById(R.id.btn_signin);
        btnSignUp = (Button)findViewById(R.id.btn_signup);

        database = FirebaseDatabase.getInstance();

        btnSignIn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                mAuth.signInWithEmailAndPassword(email.getText().toString(),password.getText().toString())
                        .addOnCompleteListener(new OnCompleteListener<AuthResult>() {
                            @Override
                            public void onComplete(@NonNull Task<AuthResult> task) {
                                if(task.isSuccessful()){
                                    Toast.makeText(context,"Success",Toast.LENGTH_SHORT).show();
                                }else{
                                    Toast.makeText(context,"Failed",Toast.LENGTH_SHORT).show();
                                }
                            }
                        })
                        .addOnFailureListener(new OnFailureListener() {
                            @Override
                            public void onFailure(@NonNull Exception e) {
                                e.printStackTrace();
                            }
                        });
            }
        });

        btnSignUp.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                mAuth.createUserWithEmailAndPassword(email.getText().toString(),password.getText().toString())
                        .addOnCompleteListener(new OnCompleteListener<AuthResult>() {
                            @Override
                            public void onComplete(@NonNull Task<AuthResult> task) {
                                if(task.isSuccessful()){
                                    FirebaseUser user = mAuth.getCurrentUser();
                                    createUser(user.getUid(),email.getText().toString(),password.getText().toString());
                                }else{
                                    Toast.makeText(context,"Authentication failed",Toast.LENGTH_SHORT).show();
                                }
                            }
                        })
                        .addOnFailureListener(new OnFailureListener() {
                            @Override
                            public void onFailure(@NonNull Exception e) {
                                e.printStackTrace();
                            }
                        });
            }
        });

    }

    private void createUser(String uid, String email, String password){
        DatabaseReference emailRef = database.getReference("users").child(uid).child("email");
        DatabaseReference passwordRef = database.getReference("users").child(uid).child("password");

        emailRef.setValue(email);
        passwordRef.setValue(password);
    }

}