import java.io.*;
import java.net.*;
import java.util.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class Client extends JPanel implements ActionListener
{
	protected static JTextField textField;
	protected static JTextArea textArea;
	protected static JButton but;
	public static String nick;
	private static InetAddress ch;
	private static final int PORT = 7777;
	private static final String ERROR = "ERROR : ";
    private final static String newline = "\n";
    public Scanner scan;
	public PrintWriter out;
	public static int new1 = 1;
	public static Socket l;
	public Scanner in;
	public static String mess;


	public static void main(String[] args)
	{
		try
		{
			ch = InetAddress.getLocalHost();
			System.out.println("******************************************");
			System.out.println("*------CONNECTED TO SERVER ON "+PORT+".------*");
			System.out.println("******************************************");
		}
		catch(IOException e)
		{
			System.out.println(ERROR + "Host not found!");
			System.exit(1);
		}

		nick = JOptionPane.showInputDialog("Enter Your Nickname.");
		JFrame frame = new JFrame("Client GUI");
	    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

	    JComponent newContentPane = new Client();
	    newContentPane.setOpaque(true);
	    frame.setContentPane(newContentPane);

	    frame.pack();
        frame.setVisible(true);
	}

	public static void run()
	{
		Socket l = null;

		try
		{
			l = new Socket("modarators.no-ip.org", PORT);
			Scanner scan = new Scanner(l.getInputStream());
			PrintWriter out = new PrintWriter(l.getOutputStream() , true);
			Scanner in = new Scanner(System.in);
			String response;
			out.println(nick + "has loged in.");
			response = scan.nextLine();
			GUIprint(response);
			response = "";
			do
			{
				mess = textField.getText();
				out.println(mess);
				response = scan.nextLine();
				GUIprint(response);
			}
			while(!mess.equals("--CLOSE--"));
		}
		catch(IOException e)
		{
			e.printStackTrace();
		}
		finally
		{
			try
			{
				System.out.println("\nClosing Connection..");
				l.close();
			}
			catch(IOException e)
			{
				System.out.println(ERROR + "Unable to dissconect!");
				System.exit(1);
			}
		}
	}

	public static void GUIprint(String s)
	{
		String txt = s;
		if(!txt.equals(""))
		{
		textArea.append(nick + " : " + txt + newline);
		}

	}

	public Client()
	{
		super(new GridBagLayout());

        textField = new JTextField(25);
        textField.addActionListener(this);
        but = new JButton("Send");
        but.addActionListener(this);

        textArea = new JTextArea(10, 30);
        textArea.setEditable(false);
        JScrollPane scrollPane = new JScrollPane(textArea
        ,JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
        JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);

        GridBagConstraints c = new GridBagConstraints();
        c.gridwidth = GridBagConstraints.REMAINDER;

        c.fill = GridBagConstraints.HORIZONTAL;

        c.fill = GridBagConstraints.BOTH;
        c.weightx = 1.0;
        c.weighty = 1.0;
        add(scrollPane, c);
        add(textField);
        add(but);
	}


	public void actionPerformed(ActionEvent e)
	{
		run();
		 textArea.setCaretPosition(textArea.getDocument().getLength());

	}
}