import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

public class Client
{
    BufferedReader input;
    PrintWriter output;
    JFrame frame = new JFrame("Chatter");
    JTextField textField = new JTextField(50);
    JTextArea messageArea = new JTextArea(10, 50);

    public Client()
    {
        textField.setEditable(false);
        messageArea.setEditable(false);
        frame.getContentPane().add(textField, "North");
        frame.getContentPane().add(new JScrollPane(messageArea), "Center");
        frame.pack();

        textField.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent e)
            {
                output.println(textField.getText());
                textField.setText("");
            }
        });
    }

    private String getServerAddress()
    {
        return JOptionPane.showInputDialog(
            frame,
            "Enter IP",
            "Hi",
            JOptionPane.QUESTION_MESSAGE);
    }

    private String getName()
    {
        return JOptionPane.showInputDialog(
            frame,
            "Name",
            "Select name",
            JOptionPane.PLAIN_MESSAGE);
    }

    private void run() throws IOException
    {
        String serverAddress = getServerAddress();
        Socket socket = new Socket(serverAddress, 9001);
        input = new BufferedReader(new InputStreamReader(
            socket.getInputStream()));
        output = new PrintWriter(socket.getOutputStream(), true);

        while (true)
        {
            String line = input.readLine();
            if (line.startsWith("inputName"))
            {
                output.println(getName());
            }
            else if (line.startsWith("nameAccepted"))
            {
                textField.setEditable(true);
            }
            else if (line.startsWith("message"))
            {
                messageArea.append(line);
            }
        }
    }

    public static void main(String[] args) throws Exception
    {
    	Client client = new Client();
        client.frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        client.frame.setVisible(true);
        client.run();
    }
}