package com.example.uzair.login;

import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.View.OnClickListener;
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.Task;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;

/**
 * A login screen that offers login via email/password.
 */
public class LoginActivity extends AppCompatActivity{

private EditText emailInput ,passwordInput;
private Button signup, login;

private FirebaseAuth mAuth;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);
        // Set up the login form.
        mAuth = FirebaseAuth.getInstance();
        emailInput = (EditText) findViewById(R.id.email);
        passwordInput= (EditText) findViewById(R.id.password);
        login = (Button) findViewById(R.id.email_sign_in_button);
        signup = (Button) findViewById(R.id.email_register_button);
        login.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                String email = emailInput.getText().toString();
                String password = passwordInput.getText().toString();
                mAuth.signInWithEmailAndPassword(email, password)
                        .addOnCompleteListener(LoginActivity.this, new OnCompleteListener<AuthResult>() {
                            @Override
                            public void onComplete(@NonNull Task<AuthResult> task) {
                                if (task.isSuccessful()) {
                                    // Sign in success, update UI with the signed-in user's information
                                    Intent intent = new Intent (LoginActivity.this, MainActivity.class);
                                    startActivity(intent);
                                    finish();
                                } else {
                                    // If sign in fails, display a message to the user.
                                    Toast.makeText(LoginActivity.this, "Authentication failed.",
                                            Toast.LENGTH_SHORT).show();
                                }

                                // ...
                            }
                        });


            }



        });
        signup.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {

                String email = emailInput.getText().toString();
                String password = passwordInput.getText().toString();


                mAuth.createUserWithEmailAndPassword(email, password)
                        .addOnCompleteListener(LoginActivity.this, new OnCompleteListener<AuthResult>() {
                            @Override
                            public void onComplete(@NonNull Task<AuthResult> task) {
                                if (task.isSuccessful()) {
                                    // Sign in success, update UI with the signed-in user's information
                                    FirebaseUser user = mAuth.getCurrentUser();
                                    startActivity(new Intent(LoginActivity.this, MainActivity.class));
                                } else {
                                    // If sign in fails, display a message to the user.
                                    Toast.makeText(LoginActivity.this, "Authentication failed.",
                                            Toast.LENGTH_SHORT).show();
                                }

                                // ...
                            }
                        });
            }
        });

    }
}