import javax.swing.*;

import java.awt.*;
import java.awt.event.*;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;

class Login extends JFrame implements ActionListener
{
 JButton SUBMIT, IP, REGISTER;
 JPanel panel;
 JLabel label1,label2, ipaddress;
 final JTextField  text1,text2;
 Font font = new Font("Arial", Font.BOLD, 15);

 String[] ips;// przez to program nie dziala

  Login()
  {
    JComboBox ipList = new JComboBox(ips);
    ipList.setSelectedIndex(1);
    ipList.setFont(font);
    ipList.addActionListener(comboBox);
    ipList.setEditable(isEnabled());
    ipaddress = new JLabel();
    ipaddress.setText("IP Address:");

    label1 = new JLabel();
    label1.setText("Username:");
    text1 = new JTextField(15);

    label2 = new JLabel();
    label2.setText("Password:");
    text2 = new JPasswordField(15);

    SUBMIT=new JButton("LOG IN");
    REGISTER=new JButton("Register");
    IP=new JButton("Add IP");

    panel=new JPanel(new GridLayout(0,1, 5, 5));

    panel.add(ipList);
    panel.add(IP);
    panel.add(label1);
    panel.add(text1);
    panel.add(label2);
    panel.add(text2);
    panel.add(SUBMIT);
    panel.add(REGISTER);
    add(panel,BorderLayout.CENTER);
    SUBMIT.addActionListener(this);
    REGISTER.addActionListener(this);
    setTitle("LOGIN FORM");

    IP.addActionListener(addIP);
    SUBMIT.addActionListener(submitForm);
    REGISTER.addActionListener(register);
    text1.addFocusListener(validation1);
    text2.addFocusListener(validation2);

    readIPS();
  }

  ActionListener comboBox = new ActionListener() {
       public void actionPerformed(ActionEvent e)
      {
           JComboBox cb = (JComboBox)e.getSource();
            String petName = (String)cb.getSelectedItem();
      }
};

  FocusListener validation1 = new FocusListener()
  {

    @Override
    public void focusGained(FocusEvent arg0) {
        text1.setBackground(Color.white);

    }

    @Override
    public void focusLost(FocusEvent arg0) {
        // TODO Auto-generated method stub

    }

  };

  FocusListener validation2 = new FocusListener()
  {

    @Override
    public void focusGained(FocusEvent arg0) {
        text2.setBackground(Color.white);

    }

    @Override
    public void focusLost(FocusEvent arg0) {
        // TODO Auto-generated method stub

    }
  };

  ActionListener submitForm = new ActionListener() {
   public void actionPerformed(ActionEvent ae)
  {
    JFrame frame = null;
    String value1=text1.getText();
    String value2=text2.getText();
        if (value1.equals("lapek") && value2.equals("lapek")) {
            AddIP page=new AddIP();
            page.setVisible(true);
            JLabel label = new JLabel("Welcome: "+value1);
                page.getContentPane().add(label);
          }
    else{
           text1.setBackground(Color.red);
           text2.setBackground(Color.red);
            JOptionPane.showMessageDialog(frame,"Enter a valid username and password");
          }
    }
  };

  ActionListener register = new ActionListener() {
       public void actionPerformed(ActionEvent ae)
      {

                  System.out.println("Wpisz poprawne dane i się zarejestruj");
                  Register page=new Register();
                  page.setSize(400, 300);
                  page.setLocationRelativeTo(null);
                  page.setVisible(true);
      }
 };

 ActionListener addIP = new ActionListener() {
       public void actionPerformed(ActionEvent ae)
      {

                  System.out.println("Wpisz poprawne dane i się zarejestruj");
                  AddIP page = new AddIP();
                  page.setSize(300, 150);
                  page.setLocationRelativeTo(null);
                  page.setVisible(true);
      }
};

    @Override
    public void actionPerformed(ActionEvent arg0) {
        // TODO Auto-generated method stub

    }


    public void closeWindow()
    {
        this.setVisible(false);
    }

    public static void readIPS()
      {
        try{
        FileInputStream fstream = new FileInputStream("ips.txt");
        DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
        String strLine;
        while ((strLine = br.readLine()) != null)   {
          System.out.println (strLine);
        }
        in.close();
        }catch (Exception e){
          System.err.println("Error: " + e.getMessage());
        }
      }

}
 class LoginDemo
{
  public static void main(String arg[])
  {
    try
    {
    Login frame=new Login();
    frame.setSize(300,350);
    frame.setVisible(true);
    frame.setLocationRelativeTo(null);
    }
  catch(Exception e)
    {JOptionPane.showMessageDialog(null, e.getMessage());}
  }
}