package org.main;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.util.StringTokenizer;

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.pink);

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

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

		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.pink);

		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();
	}
}