import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import java.net.*;
import java.io.*;

public class Klient1 extends Applet implements ActionListener, Runnable{
  Button nupp=new Button("Ühenda");
  TextField tf=new TextField();
  TextArea ta=new TextArea();
  PrintWriter valja;
  BufferedReader sisse;
  boolean sees=false;
  public Klient1(){
    setLayout(new BorderLayout());
    add(nupp, BorderLayout.NORTH);
    add(ta, BorderLayout.CENTER);
    add(tf, BorderLayout.SOUTH);
    nupp.addActionListener(this);
    tf.addActionListener(this);
    tf.setEnabled(false);
  }
  public void actionPerformed(ActionEvent e){
    try{
      if(e.getSource()==nupp){
       if(sees){
         valja.println(".ots");
       } else {
         Socket sc=new Socket("ws0.cs1.tpu.ee", 3001);
         valja=new PrintWriter(sc.getOutputStream(), true);
         sisse=new BufferedReader(new InputStreamReader(
                                                 sc.getInputStream()));
         tf.setEnabled(true);
         sees=true;
         nupp.setLabel("Lahku");
         new Thread(this).start();
       }
      }
      if(e.getSource()==tf){
         valja.println(tf.getText());
         tf.setText("");
      }
    } catch(Exception ex){ex.printStackTrace();}
  }
  public void run(){
    try{
      for(String rida=sisse.readLine(); rida!=null; rida=sisse.readLine()){
         ta.append(rida+"\n");
      }
    }catch(Exception e){e.printStackTrace();}
    sees=false;
    nupp.setLabel("Ühenda");
  }
  public static void main(String[] argumendid){
    Frame f=new Frame("Jututoa graafiline klient");
    f.add(new Klient1());
    f.setSize(300, 300);
    f.setVisible(true);
  }
}