package gui;

import java.awt.Color;
import java.awt.Frame;
import java.awt.KeyEventDispatcher;
import java.awt.KeyboardFocusManager;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.rmi.Naming;
import java.rmi.RemoteException;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.SwingConstants;

import common.LoginInterface;

import configuration.___IntNames;
import domain.Account;

public class LoginGUI extends JFrame {

	private static final long serialVersionUID= 1L;
	private JPanel jContentPane = null;
	private JTextField usernameField;
	private JPasswordField passwordField;
	private LoginInterface loginManager = null;
	private JLabel loginFeedback;
	private JButton btnRegister;
	protected boolean isFocused = false;
	public LoginGUI() {
		super();
		initialize();
	}

	private void initialize() {
		try {
			loginManager = (LoginInterface) Naming
					.lookup(___IntNames.LoginManager);
		} catch (Exception e1) {
			System.out.println("Error accessing remote authentication: "
					+ e1.toString());
		}
		this.setSize(449, 293);
		this.setContentPane(getJContentPane());
		this.setTitle("Login");
		addWindowListener(new WindowAdapter() {


			@Override
			public void windowGainedFocus(WindowEvent e) {
				isFocused = true;
			}

			@Override
			public void windowLostFocus(WindowEvent e) {
				isFocused = false;
			}
		});

        KeyboardFocusManager.getCurrentKeyboardFocusManager().addKeyEventDispatcher(new KeyEventDispatcher() {

			@Override
			public boolean dispatchKeyEvent(KeyEvent e) {
				if (isFocused && e.getKeyCode() == KeyEvent.VK_ENTER )
					jButton_ActionPerformed();
				
				return false;
			}});
	}

	
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			jContentPane = new JPanel();
			jContentPane.setLayout(null);
			
			JLabel usernameTag = new JLabel("Username:");
			usernameTag.setBounds(56, 67, 104, 20);
			jContentPane.add(usernameTag);
			
			JLabel passwordTag = new JLabel("Password:");
			passwordTag.setBounds(56, 132, 104, 15);
			jContentPane.add(passwordTag);
			
			usernameField = new JTextField();
			usernameField.setBounds(202, 65, 133, 25);
			jContentPane.add(usernameField);
			usernameField.setColumns(10);
			
			passwordField = new JPasswordField();
			passwordField.setBounds(202, 122, 133, 25);
			jContentPane.add(passwordField);
			
			JButton loginButton = new JButton("Login");
			loginButton.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent arg0) {

				jButton_ActionPerformed();	
				}					
			});
			loginButton.setBounds(95, 179, 117, 25);
			jContentPane.add(loginButton);
			
			loginFeedback = new JLabel("");
			loginFeedback.setForeground(Color.RED);
			loginFeedback.setHorizontalAlignment(SwingConstants.CENTER);
			loginFeedback.setBounds(83, 216, 269, 25);
			jContentPane.add(loginFeedback);
			
			btnRegister = new JButton("Register");
			btnRegister.setBounds(222, 180, 113, 23);
			btnRegister.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent arg0) {

				jButton_ActionPerformed2(arg0);	
				}					
			});
			jContentPane.add(btnRegister);
		}
		return jContentPane;
	}
	private void jButton_ActionPerformed2(ActionEvent e){
		
		
			this.setVisible(false);
			Frame a = new OwnerRegistrationGUI();
			a.setVisible(true);
		
		
	}


	
	private void jButton_ActionPerformed(){
			
		Account acc = null;
		try {
			acc = loginManager.checkCredentials(usernameField.getText(),new String(passwordField.getPassword()));
		} catch (RemoteException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		if (acc == null) loginFeedback.setText("Incorrect username or password");
		else if( acc.getAdmin()) {
			this.setVisible(false);
			Frame a = new AdminMenuGUI();
			a.setVisible(true);
		} else {
			if(acc.getOwner()==null){
				loginFeedback.setText("Incorrect username or password");
			}else{
				this.setVisible(false);
				Frame a = new OwnerMenuGUI(acc.getOwner());
				a.setVisible(true);		
			}
		}
		
	}
}  // @jve:decl-index=0:visual-constraint="222,33"