package gui;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Iterator;

import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

import exceptions.ElementNePostoji;

import model.collections.Kolekcija;
import model.data.Korisnik;

public class LoginDialog extends JDialog {

    public LoginDialog() {

        setSize(400, 400);
        setTitle("Login");
        setLocationRelativeTo(null);
        setModal(true);

        JPanel top = new JPanel();
        BoxLayout box = new BoxLayout(top, BoxLayout.Y_AXIS);
        top.setLayout(box);
        Dimension dim = new Dimension(100, 20);
        Dimension dim1 = new Dimension(150, 20);
        JPanel panelUsername = new JPanel();
        JPanel panelPassword = new JPanel();

        JLabel labelUsername = new JLabel(MainFrame.getInstance()
                .getResourceBundle().getString("lblKorisnik"));
        JLabel labelPassword = new JLabel(MainFrame.getInstance()
                .getResourceBundle().getString("lblPassword"));

        labelUsername.setPreferredSize(dim);
        labelPassword.setPreferredSize(dim);

        final JTextField tfUsername = new JTextField();
        final JPasswordField tfPassword = new JPasswordField();
        tfUsername.setPreferredSize(dim1);
        tfPassword.setPreferredSize(dim1);

        panelUsername.add(labelUsername);
        panelUsername.add(tfUsername);

        panelPassword.add(labelPassword);
        panelPassword.add(tfPassword);

        top.add(panelUsername);
        top.add(panelPassword);

        add(top, BorderLayout.NORTH);

        JPanel btnPanel = new JPanel();
        JButton okLogin = new JButton(MainFrame.getInstance()
                .getResourceBundle().getString("btnPotvrda"));
        JButton cancel = new JButton(MainFrame.getInstance()
                .getResourceBundle().getString("btnOdustanak"));

        btnPanel.add(okLogin);
        btnPanel.add(cancel);

        add(btnPanel, BorderLayout.SOUTH);

        pack();
        addWindowListener(new WindowAdapter() {

            @Override
            public void windowClosing(WindowEvent arg0) {
                // TODO Auto-generated method stub
                System.exit(0);
            }
        });
        Kolekcija.getInstance().load();
        okLogin.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {
                String username = tfUsername.getText();
                String password = new String(tfPassword.getPassword());
                System.out.println(password);
                Iterator<String> iter = Kolekcija.getInstance().getKorisnici()
                        .getKorisniciIterator();

                boolean uspjesno = false;

                while (iter.hasNext()) {

                    Korisnik tmp = null;
                    try {
                        tmp = Kolekcija.getInstance().getKorisnici()
                                .getKorisnik(iter.next());
                    } catch (ElementNePostoji e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                    if (username.equals(tmp.getKorisnickoIme())
                            && password.equals(tmp.getLozinka())) {
                        MainFrame.getInstance().setVisible(true);
                        setVisible(false);
                        tfPassword.setText("");
                        tfUsername.setText("");
                        uspjesno = true;
                        MainFrame.getInstance().getStatusBar().setUsername(username);
                        MainFrame.getInstance().getStatusBar().initComponents();
                    }
                }
                if (!uspjesno)
                    JOptionPane.showMessageDialog(null, "Try again!!!");
            }
        });

        cancel.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent ae) {

                System.exit(0);
            }
        });

        setVisible(true);
    }
}