package com.parse.starter;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.parse.LogInCallback;
import com.parse.Parse;
import com.parse.ParseException;
import com.parse.ParseObject;
import com.parse.ParseUser;
import com.parse.SaveCallback;

import java.util.jar.Attributes;

public class LoginActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);

        final EditText UserName = (EditText) findViewById(R.id.UserName);
        final EditText Password = (EditText) findViewById(R.id.Password);
        final Button Login = (Button) findViewById(R.id.Login);
        final TextView RegisterHere = (TextView) findViewById(R.id.tvRegister);
        final String userNameTxt = UserName.getText().toString();
        final String passwordTxt = Password.getText().toString();


        Login.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {


                boolean Validation_error = false;
                StringBuilder ValidationErrorMessage = new StringBuilder("Error");

                if (isEmpty(UserName)) {
                    Validation_error = true;
                    ValidationErrorMessage.append("User Name not Entered");
                }

                if (isEmpty(Password)) {
                    Validation_error = true;
                    ValidationErrorMessage.append("Password/s not entered ");
                }

                if (Validation_error) {
                    Toast.makeText(LoginActivity.this, ValidationErrorMessage.toString(), Toast.LENGTH_LONG)
                            .show();
                    return;
                }

                ParseUser.logInInBackground(userNameTxt,passwordTxt, new LogInCallback() {
                    public void done(ParseUser user, ParseException e) {
                        if (user != null) {
                            Toast.makeText(LoginActivity.this,userNameTxt, Toast.LENGTH_LONG).show();
                            Toast.makeText(LoginActivity.this,"User Logged In", Toast.LENGTH_LONG)
                                    .show();
                            Intent UserIntent = new Intent(LoginActivity.this, UserActivity.class);
                            LoginActivity.this.startActivity(UserIntent);
                        } else {
                            Toast.makeText(LoginActivity.this,userNameTxt, Toast.LENGTH_LONG).show();
                            Toast.makeText(LoginActivity.this,passwordTxt, Toast.LENGTH_LONG).show();
                            Toast.makeText(LoginActivity.this, "User Not in database", Toast.LENGTH_LONG)
                                    .show();
                        }
                    }
                });
            }
        });

        RegisterHere.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent registerIntent = new Intent(LoginActivity.this, RegisterActivity.class);
                LoginActivity.this.startActivity(registerIntent);
            }
        });
    }

        private boolean isEmpty(EditText etText) {
            if (etText.getText().toString().trim().length() > 0) {
                return false;
            } else {
                return true;
            }
        }

}