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package org.hsalaredo.jorgeprado.triptracker;

import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import com.backendless.Backendless;
import com.backendless.BackendlessUser;
import com.backendless.async.callback.BackendlessCallback;
import com.backendless.exceptions.BackendlessFault;

public class LoginActivity extends AppCompatActivity {
    private EditText emailEdit;
    private EditText passwordEdit;
    private Button Login;
    private TextView SignUp;
    private EditText Name;
    private Button SignMeUp;
    /*private EditText enter_email;
    private EditText enter_password;*/


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

        Login = (Button) findViewById(R.id.login);
        passwordEdit = (EditText) findViewById(R.id.pass);
        emailEdit = (EditText) findViewById(R.id.email);
        SignUp = (TextView) findViewById(R.id.sign);
        Name = (EditText) findViewById(R.id.name);
        SignMeUp = (Button) findViewById(R.id.signup);
        /*enter_email = (EditText) findViewById(R.id.email);
        enter_password = (EditText) findViewById(R.id.pass);*/

        MySignUpTextOnClickListener signUpTextListener = new MySignUpTextOnClickListener();
        SignUp.setOnClickListener(signUpTextListener);

        Backendless.initApp(this, "793EE9AD-5AF0-7A82-FFD4-A00AA44C2200", "28B07E31-4D31-56BB-FFFA-A94C0F628000", "v1");

        MySignMeUpOnClickListener signMeUpListener = new MySignMeUpOnClickListener();
        SignMeUp.setOnClickListener(signMeUpListener);

        MyLoginOnClickListener loginListener = new MyLoginOnClickListener();
        Login.setOnClickListener(loginListener);


    }

    private class MySignUpTextOnClickListener implements View.OnClickListener {
        @Override
        public void onClick(View v) {
            if (Name.getVisibility() == (View.GONE)) {
                Name.setVisibility(View.VISIBLE);
                SignMeUp.setVisibility(View.VISIBLE);
                Login.setVisibility(View.GONE);
                SignUp.setText("Cancel Sign Up!");

            } else {

                SignMeUp.setVisibility(View.GONE);
                Login.setVisibility(View.GONE);
                Name.setVisibility(View.GONE);
                SignUp.setText("Sign Up!");

            }
        }
    }

    private class MySignUpButtonOnClickListener implements View.OnClickListener {
        @Override
        public void onClick(View v) {
            String userEmail = emailEdit.getText().toString();
            String password = passwordEdit.getText().toString();
            String name = Name.getText().toString();

            userEmail = userEmail.trim();
            password = password.trim();
            name = name.trim();


            if (!userEmail.isEmpty() && !password.isEmpty() && !name.isEmpty()) {

             /* register the user in Backendless */
                BackendlessUser user = new BackendlessUser();
                user.setEmail(userEmail);
                user.setPassword(password);
                user.setProperty("name", name);
                Backendless.UserService.register(user, new BackendlessCallback<BackendlessUser>() {
                    @Override
                    public void handleResponse(BackendlessUser backendlessUser) {
                        Log.i("Registration", backendlessUser.getEmail() + " successfully registered");
                        final ProgressDialog pDialog = ProgressDialog.show(LoginActivity.this,
                                getString(R.string.progress_title), getString(R.string.progress_login_message), true);

                    }
                });


            } else {
            /* warn the user of the problem */
                AlertDialog.Builder builder = new AlertDialog.Builder(LoginActivity.this);
                builder.setMessage(R.string.empty_field_signup_error);
                builder.setTitle(R.string.authentication_error_title);
                builder.setPositiveButton(android.R.string.ok, null);
                AlertDialog dialog = builder.create();
                dialog.show();


            }
        }

    }

    private class MySignMeUpOnClickListener implements View.OnClickListener {
        @Override
        public void onClick(View v) {
            String userEmail = emailEdit.getText().toString();
            String password = passwordEdit.getText().toString();
            String name = Name.getText().toString();

            userEmail = userEmail.trim();
            password = password.trim();
            name = name.trim();

            if (!userEmail.isEmpty() && !password.isEmpty() && !name.isEmpty()) {
           /* authenticate to Backendless */
                user.setEmail(userEmail);
                user.setPassword(password);
                user.setProperty("name", name);

           /* 3.1.2 Step 27 */
                // validate user data
                if ((userEmail.indexOf("@") == -1) || (userEmail.indexOf(".") == -1)) {
                    warnUser(getString(R.string.invalid_email_error));
                } else if (password.length() < 6) {
                    warnUser(getString(R.string.password_six_characters_error));
                } else if (password.equals(userEmail)) {
                    warnUser(getString(R.string.password_cannot_equal_email_error));
                } else {


                }
            }

        }
    }

    public void warnUser(String errorMessage) {
        AlertDialog.Builder builder = new AlertDialog.Builder(LoginActivity.this);
        builder.setMessage(errorMessage);
        builder.setTitle(R.string.authentication_error_title);
        builder.setPositiveButton(android.R.string.ok, null);
        AlertDialog dialog = builder.create();
        dialog.show();
    }

    private class MyLoginOnClickListener implements View.OnClickListener {
        @Override
        public void onClick(View v) {
            String userEmail = emailEdit.getText().toString();
            String password = passwordEdit.getText().toString();

            userEmail = userEmail.trim();
            password = password.trim();

            if (!userEmail.isEmpty() && !password.isEmpty()) {
           /* login to Backendless */
                final ProgressDialog pDialog = ProgressDialog.show(LoginActivity.this,
                        getString(R.string.progress_title), getString(R.string.progress_login_message), true);

                Backendless.UserService.login(userEmail, password, new BackendlessCallback<BackendlessUser>() {
                    @Override
                    public void handleResponse(BackendlessUser user) {
                        Log.i(TAG, "Login:" + user.getEmail() + " successfully logged in.");
                        pDialog.dismiss();
                    }

                    @Override
                    public void handleFault(BackendlessFault fault) {
                        Log.w(TAG, "Login failed:" + fault.getMessage());
                        pDialog.dismiss();
                        warnUser(fault.getMessage());
                    }
                });
            } else {
                warnUser(getString(R.string.empty_field_login_error));
            }
        }

    }
    public static void TAG = LoginActivity;
}