package gui;

import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.ResourceBundle;

import javax.persistence.Entity;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.border.EmptyBorder;

import businessLogic.BLFacade;
import businessLogic.BLFacadeImplementation;
import domain.User;
import exceptions.IncorrectPassException;
import exceptions.UserDoesNotExistException;
import java.awt.Font;

public class LoginGUI extends JFrame {

	private JPanel contentPane;
	private JTextField textUser;
	private JPasswordField textPass;
	private static BLFacade facade;
	private static User user;

	private JLabel lblUser = new JLabel("Usuario:");
	private JLabel lblPass = new JLabel("Contrase�a:");

	private JButton buttonLogin = new JButton("Login");
	private JButton buttonRegister = new JButton("Registrarse");

	
	public LoginGUI() {
		super();
		
		addWindowListener(new WindowAdapter() {
			@Override
			public void windowClosing(WindowEvent e) {
				try {
					//if (ConfigXML.getInstance().isBusinessLogicLocal()) facade.close();
				} catch (Exception e1) {
					// TODO Auto-generated catch block
					System.out.println("Error: "+e1.toString()+" , probably problems with Business Logic or Database");
				}
				System.exit(1);
			}
		});

		initialize();
		//this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
	
	
	
	public void initialize() {
		setTitle("Login");

		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 300);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);

		lblUser.setHorizontalAlignment(SwingConstants.RIGHT);
		lblUser.setBounds(39, 47, 100, 14);
		contentPane.add(lblUser);

		lblPass.setHorizontalAlignment(SwingConstants.RIGHT);
		lblPass.setBounds(63, 87, 76, 14);
		contentPane.add(lblPass);

		textUser = new JTextField();
		textUser.setFont(new Font("Liberation Sans", Font.PLAIN, 13));
		textUser.setBounds(149, 45, 131, 20);
		contentPane.add(textUser);
		textUser.setColumns(10);

		textPass = new JPasswordField();
		textPass.setFont(new Font("Liberation Sans", Font.PLAIN, 13));
		textPass.setBounds(149, 85, 131, 20);
		contentPane.add(textPass);
		textPass.setColumns(10);

		buttonLogin.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				try {
					String pass = String.valueOf(textPass.getPassword());
					String userName = textUser.getText();
					if (pass.equals("") || userName.equals("")) {
						JOptionPane.showMessageDialog(contentPane, "Usuario o contrase�a no introducida", "Error",
								JOptionPane.ERROR_MESSAGE);
					}
					else {
					User user = facade.login(userName, pass);
					System.out.println("LOGIN CORRECTO");
					System.out.println(user.getUserName() + " " + user.getUserPass());

					if(user.getType()==0) {
						Frame gui = new MainGUI();
						gui.setAlwaysOnTop(true);
						gui.setVisible(true);
					}else {
						Frame gui = new MainAdminGUI();
						gui.setAlwaysOnTop(true);
						gui.setVisible(true);
					}

					dispose();
					}
				} catch (UserDoesNotExistException e) {
					JOptionPane.showMessageDialog(contentPane, e.getMessage() , "Error", JOptionPane.ERROR_MESSAGE);
				} catch (IncorrectPassException a) {
					JOptionPane.showMessageDialog(contentPane, a.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
				} catch (Exception e) {
					JOptionPane.showMessageDialog(getContentPane(), e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
				} finally {
					textPass.setText("");
					textUser.setText("");
				}
			}
		});

		
		buttonLogin.setBounds(97, 134, 89, 23);
		contentPane.add(buttonLogin);
		
		buttonRegister.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				
				Frame reg = new RegisterGUI();
				reg.setAlwaysOnTop(true);
				reg.setVisible(true);
				dispose();
			}
		});

		buttonRegister.setBounds(220, 134, 135, 23);
		contentPane.add(buttonRegister);
		
	}

	public static void setBusinessLogic(BLFacade pfacade) {
		facade = pfacade;
	}

	public static BLFacade getBusinessLogic() {
		return facade;
	}

	public void setUser(User user) {
		LoginGUI.user = user;
	}

	public static User getUser() {
		return user;
	}
}