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

class clientThread extends Thread
{
chessClient chessclient;

clientThread(chessClient chessclient)
{
this.chessclient=chessclient;
}

public void acceptMessage(String recMessage)
{
if(recMessage.startsWith("/userlist "))
{
StringTokenizer userToken=new StringTokenizer(recMessage," ");
int userNumber=0;

chessclient.userpad.userList.removeAll();
chessclient.inputpad.userChoice.removeAll();
chessclient.inputpad.userChoice.addItem("所有人");
while(userToken.hasMoreTokens())
{
String user=(String)userToken.nextToken(" ");
if(userNumber>0 && !user.startsWith("[inchess]"))
{
chessclient.userpad.userList.add(user);
chessclient.inputpad.userChoice.addItem(user);
}

userNumber++;
}
chessclient.inputpad.userChoice.select("所有人");
}
else if(recMessage.startsWith("/yourname "))
{
chessclient.chessClientName=recMessage.substring(10);
chessclient.setTitle("Java五子棋客戶端 "+"用戶名:"+chessclient.chessClientName);
}
else if(recMessage.equals("/reject"))
{
try
{
chessclient.chesspad.statusText.setText("不能加入游戲");
chessclient.controlpad.cancelGameButton.setEnabled(false);
chessclient.controlpad.joinGameButton.setEnabled(true);
chessclient.controlpad.creatGameButton.setEnabled(true);
}
catch(Exception ef)
{
chessclient.chatpad.chatLineArea.setText("chessclient.chesspad.chessSocket.close無法關閉");
}
chessclient.controlpad.joinGameButton.setEnabled(true);
}
else if(recMessage.startsWith("/peer "))
{
chessclient.chesspad.chessPeerName=recMessage.substring(6);
if(chessclient.isServer)
{
chessclient.chesspad.chessColor=1;
chessclient.chesspad.isMouseEnabled=true;
chessclient.chesspad.statusText.setText("請黑棋下子");
}
else if(chessclient.isClient)
{
chessclient.chesspad.chessColor=-1;
chessclient.chesspad.statusText.setText("已加入游戲，等待對方下子...");
}

}
else if(recMessage.equals("/youwin"))
{
chessclient.isOnChess=false;
chessclient.chesspad.chessVictory(chessclient.chesspad.chessColor);
chessclient.chesspad.statusText.setText("對方退出，請點放棄游戲退出連接");
chessclient.chesspad.isMouseEnabled=false;
}
else if(recMessage.equals("/OK"))
{
chessclient.chesspad.statusText.setText("創建游戲成功，等待別人加入...");
}
else if(recMessage.equals("/error"))
{
chessclient.chatpad.chatLineArea.append("傳輸錯誤：請退出程序，重新加入 \n");
}
else
{
chessclient.chatpad.chatLineArea.append(recMessage+"\n");
chessclient.chatpad.chatLineArea.setCaretPosition(
chessclient.chatpad.chatLineArea.getText().length());
}
}
public void run()
{
String message="";
try
{
while(true)
{
message=chessclient.in.readUTF();
acceptMessage(message);
}
}
catch(IOException es)
{
}
}

}
public class chessClient extends Frame implements ActionListener,KeyListener
{
userPad userpad=new userPad();
chatPad chatpad=new chatPad();
controlPad controlpad=new controlPad();
chessPad chesspad=new chessPad();
inputPad inputpad=new inputPad();


Socket chatSocket;
DataInputStream in;
DataOutputStream out;
String chessClientName=null;
String host=null;
int port=4331;

boolean isOnChat=false; //在聊天？
boolean isOnChess=false; //在下棋？
boolean isGameConnected=false; //下棋的客戶端連接？
boolean isServer=false; //如果是下棋的主機
boolean isClient=false; //如果是下棋的客戶端

Panel southPanel=new Panel();
Panel northPanel=new Panel();
Panel centerPanel=new Panel();
Panel westPanel=new Panel();
Panel eastPanel=new Panel();

chessClient()
{
super("Java五子棋客戶端");
setLayout(new BorderLayout());
host=controlpad.inputIP.getText();

westPanel.setLayout(new BorderLayout());
westPanel.add(userpad,BorderLayout.NORTH);
westPanel.add(chatpad,BorderLayout.CENTER);
westPanel.setBackground(Color.green);

inputpad.inputWords.addKeyListener(this);
chesspad.host=controlpad.inputIP.getText();

centerPanel.add(chesspad,BorderLayout.CENTER);
centerPanel.add(inputpad,BorderLayout.SOUTH);
centerPanel.setBackground(Color.green);

controlpad.connectButton.addActionListener(this);
controlpad.creatGameButton.addActionListener(this);
controlpad.joinGameButton.addActionListener(this);
controlpad.cancelGameButton.addActionListener(this);
controlpad.exitGameButton.addActionListener(this);

controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(false);

southPanel.add(controlpad,BorderLayout.CENTER);
southPanel.setBackground(Color.green);


addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
if(isOnChat)
{
try
{
chatSocket.close();
}
catch(Exception ed)
{
}
}
if(isOnChess || isGameConnected)
{
try
{
chesspad.chessSocket.close();
}
catch(Exception ee)
{
}
}
System.exit(0);
}
public void windowActivated(WindowEvent ea)
{

}
});

add(westPanel,BorderLayout.WEST);
add(centerPanel,BorderLayout.CENTER);
add(southPanel,BorderLayout.SOUTH);

pack();
setSize(670,548);
setVisible(true);
setResizable(false);
validate();
}
public boolean connectServer(String serverIP,int serverPort) throws Exception
{
try
{
chatSocket=new Socket(serverIP,serverPort);
in=new DataInputStream(chatSocket.getInputStream());
out=new DataOutputStream(chatSocket.getOutputStream());

clientThread clientthread=new clientThread(this);
clientthread.start();
isOnChat=true;
return true;
}
catch(IOException ex)
{
chatpad.chatLineArea.setText("chessClient:connectServer:無法連接,建議重新啟動程序 \n");
}
return false;
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==controlpad.connectButton)
{
host=chesspad.host=controlpad.inputIP.getText();
try
{
if(connectServer(host,port))
{
chatpad.chatLineArea.setText("");
controlpad.connectButton.setEnabled(false);
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
chesspad.statusText.setText("連接成功，請創建游戲或加入游戲");
}


}
catch(Exception ei)
{
chatpad.chatLineArea.setText("controlpad.connectButton:無法連接,建議重新啟動程序 \n");
}
}
if(e.getSource()==controlpad.exitGameButton)
{
if(isOnChat)
{
try
{
chatSocket.close();
}
catch(Exception ed)
{
}
}
if(isOnChess || isGameConnected)
{
try
{
chesspad.chessSocket.close();
}
catch(Exception ee)
{
}
}
System.exit(0);

}
if(e.getSource()==controlpad.joinGameButton)
{
String selectedUser=userpad.userList.getSelectedItem();
if(selectedUser==null || selectedUser.startsWith("[inchess]") ||
selectedUser.equals(chessClientName))
{
chesspad.statusText.setText("必須先選定一個有效用戶");
}
else
{
try
{
if(!isGameConnected)
{
if(chesspad.connectServer(chesspad.host,chesspad.port))
{
isGameConnected=true;
isOnChess=true;
isClient=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/joingame "+userpad.userList.getSelectedItem()+" "+chessClientName);
}
}
else
{
isOnChess=true;
isClient=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/joingame "+userpad.userList.getSelectedItem()+" "+chessClientName);
}


}
catch(Exception ee)
{
isGameConnected=false;
isOnChess=false;
isClient=false;
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
chatpad.chatLineArea.setText("chesspad.connectServer無法連接 \n"+ee);
}

}
}
if(e.getSource()==controlpad.creatGameButton)
{
try
{
if(!isGameConnected)
{
if(chesspad.connectServer(chesspad.host,chesspad.port))
{
isGameConnected=true;
isOnChess=true;
isServer=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/creatgame "+"[inchess]"+chessClientName);
}
}
else
{
isOnChess=true;
isServer=true;
controlpad.creatGameButton.setEnabled(false);
controlpad.joinGameButton.setEnabled(false);
controlpad.cancelGameButton.setEnabled(true);
chesspad.chessthread.sendMessage("/creatgame "+"[inchess]"+chessClientName);
}
}
catch(Exception ec)
{
isGameConnected=false;
isOnChess=false;
isServer=false;
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
ec.printStackTrace();
chatpad.chatLineArea.setText("chesspad.connectServer無法連接 \n"+ec);
}

}
if(e.getSource()==controlpad.cancelGameButton)
{
if(isOnChess)
{
chesspad.chessthread.sendMessage("/giveup "+chessClientName);
chesspad.chessVictory(-1*chesspad.chessColor);
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
chesspad.statusText.setText("請建立游戲或者加入游戲");
}
if(!isOnChess)
{
controlpad.creatGameButton.setEnabled(true);
controlpad.joinGameButton.setEnabled(true);
controlpad.cancelGameButton.setEnabled(false);
chesspad.statusText.setText("請建立游戲或者加入游戲");
}
isClient=isServer=false;
}

}
public void keyPressed(KeyEvent e)
{
TextField inputWords=(TextField)e.getSource();


if(e.getKeyCode()==KeyEvent.VK_ENTER)
{
if(inputpad.userChoice.getSelectedItem().equals("所有人"))
{
try
{
out.writeUTF(inputWords.getText());
inputWords.setText("");
}
catch(Exception ea)
{
chatpad.chatLineArea.setText("chessClient:KeyPressed無法連接,建議重新連接 \n");
userpad.userList.removeAll();
inputpad.userChoice.removeAll();
inputWords.setText("");
controlpad.connectButton.setEnabled(true);
}
}
else
{
try
{
out.writeUTF("/"+inputpad.userChoice.getSelectedItem()+" "+inputWords.getText());
inputWords.setText("");
}
catch(Exception ea)
{
chatpad.chatLineArea.setText("chessClient:KeyPressed無法連接,建議重新連接 \n");
userpad.userList.removeAll();
inputpad.userChoice.removeAll();
inputWords.setText("");
controlpad.connectButton.setEnabled(true);
}
}
}
}
public void keyTyped(KeyEvent e)
{
}
public void keyReleased(KeyEvent e)
{
}
public static void main(String args[])
{
chessClient chessClient=new chessClient();
}
}