package multiservernew;

import java.awt.*;
import java.awt.event.*;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.DebugGraphics;
import com.borland.jbcl.layout.XYLayout;
import com.borland.jbcl.layout.*;
import javax.swing.JLabel;
import java.awt.Rectangle;
import javax.swing.BorderFactory;
import javax.swing.*;
import java.awt.BorderLayout;
import java.awt.Color;
import javax.swing.border.TitledBorder;
import javax.swing.border.EtchedBorder;
import javax.swing.border.Border;
import java.net.*;
import java.io.*;
import java.util.Vector;
import java.util.StringTokenizer;
import java.math.*;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class MainFrame extends JFrame {
    ServerSocket server = null;
    ConnectSocket connect = null;
    static Vector clients = new Vector();
    JPanel contentPane;
    JMenuBar jMenuBar1 = new JMenuBar();
    JMenu jMenuFile = new JMenu();
    JMenuItem jMenuFileExit = new JMenuItem();
    JMenu jMenuHelp = new JMenu();
    JMenuItem jMenuHelpAbout = new JMenuItem();
    JPanel jPanel1 = new JPanel();
    BorderLayout borderLayout1 = new BorderLayout();
    TitledBorder titledBorder1 = new TitledBorder("");
    TitledBorder titledBorder2 = new TitledBorder("");
    JScrollPane jScrollPane1 = new JScrollPane();
    Border border1 = BorderFactory.createEtchedBorder(EtchedBorder.RAISED,
            Color.white, new Color(148, 145, 140));
    Border border2 = new TitledBorder(border1, "連接信息");
    JTextArea jTextArea1 = new JTextArea();
    JPanel jPanel2 = new JPanel();
    Border border3 = BorderFactory.createEtchedBorder(EtchedBorder.RAISED,
            Color.white, new Color(148, 145, 140));
    Border border4 = new TitledBorder(border3, "系統信息");
    BorderLayout borderLayout2 = new BorderLayout();
    JScrollPane jScrollPane2 = new JScrollPane();
    JTextArea jTextArea2 = new JTextArea();
    public MainFrame() {
        try {
            setDefaultCloseOperation(EXIT_ON_CLOSE);
            serverSet();
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    /**
     * Component initialization.
     *
     * @throws java.lang.Exception
     */
    private void jbInit() throws Exception {
        border4 = new TitledBorder(BorderFactory.createEtchedBorder(
                EtchedBorder.RAISED, Color.white, new Color(148, 145, 140)),
                                   "系統信息");
        contentPane = (JPanel) getContentPane();
        contentPane.setLayout(null);
        setSize(new Dimension(440, 370));
        setTitle("Frame Title");
        jMenuFile.setText("File");
        jMenuFileExit.setText("Exit");
        jMenuFileExit.addActionListener(new
                                        MainFrame_jMenuFileExit_ActionAdapter(this));
        jMenuHelp.setText("Help");
        jMenuHelpAbout.setText("About");
        jMenuHelpAbout.addActionListener(new
                                         MainFrame_jMenuHelpAbout_ActionAdapter(this));
        contentPane.setDebugGraphicsOptions(0);
        contentPane.setToolTipText("");
        jPanel1.setBorder(border4);
        jPanel1.setToolTipText("");
        jPanel1.setBounds(new Rectangle(9, 20, 425, 161));
        jPanel1.setLayout(borderLayout1);
        jScrollPane1.setHorizontalScrollBarPolicy(JScrollPane.
                                                  HORIZONTAL_SCROLLBAR_ALWAYS);
        jScrollPane1.setVerticalScrollBarPolicy(JScrollPane.
                                                VERTICAL_SCROLLBAR_ALWAYS);
        jScrollPane1.setBorder(BorderFactory.createLoweredBevelBorder());
        jPanel2.setBorder(border4);
        jPanel2.setBounds(new Rectangle(9, 184, 424, 108));
        jPanel2.setLayout(borderLayout2);
        jScrollPane2.setHorizontalScrollBarPolicy(JScrollPane.
                                                  HORIZONTAL_SCROLLBAR_ALWAYS);
        jScrollPane2.setVerticalScrollBarPolicy(JScrollPane.
                                                VERTICAL_SCROLLBAR_ALWAYS);
        jScrollPane2.setBorder(BorderFactory.createLoweredBevelBorder());
        jTextArea1.setEditable(false);
        jTextArea2.setEditable(false);
        jMenuBar1.add(jMenuFile);
        jMenuFile.add(jMenuFileExit);
        jMenuBar1.add(jMenuHelp);
        jMenuHelp.add(jMenuHelpAbout);
        contentPane.add(jPanel1);
        jPanel1.add(jScrollPane1, java.awt.BorderLayout.CENTER);
        contentPane.add(jPanel2);
        jPanel2.add(jScrollPane2, java.awt.BorderLayout.CENTER);
        jScrollPane2.getViewport().add(jTextArea2);
        jScrollPane1.getViewport().add(jTextArea1);
        setJMenuBar(jMenuBar1);
    }

    /**
     * File | Exit action performed.
     *
     * @param actionEvent ActionEvent
     */
    void jMenuFileExit_actionPerformed(ActionEvent actionEvent) {
        System.exit(0);
    }

    /**
     * Help | About action performed.
     *
     * @param actionEvent ActionEvent
     */
    void jMenuHelpAbout_actionPerformed(ActionEvent actionEvent) {
        MainFrame_AboutBox dlg = new MainFrame_AboutBox(this);
        Dimension dlgSize = dlg.getPreferredSize();
        Dimension frmSize = getSize();
        Point loc = getLocation();
        dlg.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x,
                        (frmSize.height - dlgSize.height) / 2 + loc.y);
        dlg.setModal(true);
        dlg.pack();
        dlg.setVisible(true);
    }

    class ConnectSocket extends Thread{
        Socket socket;
        public void run(){
            while(true){
                try{
                    socket = server.accept();
                }catch(IOException e2){
                    jTextArea1.append("客戶連接失敗\n");
                }
                Client c = new Client(socket);
                clients.addElement(c);
                if(checkName(c)){
                    c.start();
                    notifyRoom();
                }else{
                    disconnect(c);
                }
            }
        }
    }

    class Client extends Thread{
        String name;
        BufferedReader dis;
        PrintStream ps;
        Socket socket;
        InetAddress ip;
        public Client(Socket s){
            socket = s;
            try{
                ip=s.getInetAddress();
       //         System.out.println(ip.toString());
                dis = new BufferedReader(new InputStreamReader(socket.getInputStream()));
                ps = new PrintStream(socket.getOutputStream());
                String info = dis.readLine();
                StringTokenizer stinfo = new StringTokenizer(info,":");
                String head = stinfo.nextToken();
                name = stinfo.nextToken();
                jTextArea1.append("系統消息"+name+"已經連接\n");
            }catch(IOException e){
                jTextArea2.append("系統消息:用戶連接出錯\n");
            }
        }
        public void send(String msg){
            ps.println(msg);
            ps.flush();
        }
        public void run(){
            while(true){
                String line = null;
                try{
                    line = dis.readLine();
                }catch(IOException e){
                    jTextArea2.append("系統消息:讀客戶信息出錯");
                    disconnect(this);
                    notifyRoom();
                    return;
                }
                StringTokenizer st = new StringTokenizer(line,":");
                String keyword = st.nextToken();
                if(keyword.equalsIgnoreCase("MSG")){
                    sendClients(line);
                }else if(keyword.equalsIgnoreCase("QUIT")){
                    send("QUIT");
                    disconnect(this);
                    notifyRoom();
                    this.stop();
                }else if(keyword.equalsIgnoreCase("ConnectionRequest")){
                     jTextArea2.append(line);
                     sendClients(line);
                }else if(keyword.equalsIgnoreCase("Connection")){
                    String xx = st.nextToken();
                    if(xx.equalsIgnoreCase("同意")){
                        int n = (int)(Math.random()*5000+2000);
                        String ip1 = st.nextToken();
                        String ip2 = st.nextToken();
                        String dk = String.valueOf(n);
                        String stry;
                        stry = "ConnectionYes:"+ip1+":"+ip2+":"+n;
                        sendClients(stry);
                    }
                    if(xx.equalsIgnoreCase("拒絕")){
                        String ip1 = st.nextToken();
                        String ip2 = st.nextToken();
                        String strn;
                        strn = "ConnectionNo:"+ip1+":"+ip2;
                        sendClients(strn);
                    }
                }
            }
        }

    }
    public boolean checkName(Client newClient){
        for(int i=0;i<clients.size();i++){
            Client c = (Client)clients.elementAt(i);
            if((c!= newClient)&&(c.name).equals(newClient.name))
                return false;
        }
        return true;
    }
    public void notifyRoom(){
        String people = "PEOPLE";
        for(int i=0;i<clients.size();i++){
            Client c = (Client)clients.elementAt(i);
            people += ":"+c.name+c.ip.toString();
        }
        sendClients(people);
    }
    public void sendClients(String msg){
        for(int i =0;i<clients.size();i++){
            Client c =(Client)clients.elementAt(i);
            c.send(msg);
        }
    }
    public void disconnect(Client c){
        try{
            jTextArea1.append(c.name+"斷開連接\n");
            c.send("QUIT");
            clients.removeElement(c);
            c.socket.close();
        }catch(IOException e){
            jTextArea2.append("客戶斷開錯誤\n");
        }
    }
    public void serverSet(){
        try{
            server = new ServerSocket(6666);
            jTextArea2.append("系統提示：聊天服務器系統開始啟動 ......\n");
        }catch(IOException e1){
            jTextArea2.append("服務器端口打開出錯\n");
        }
        if(server !=null){
            ConnectSocket connect = new ConnectSocket();
            connect.start();
        }
    }
}


class MainFrame_jMenuFileExit_ActionAdapter implements ActionListener {
    MainFrame adaptee;

    MainFrame_jMenuFileExit_ActionAdapter(MainFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent actionEvent) {
        adaptee.jMenuFileExit_actionPerformed(actionEvent);
    }
}


class MainFrame_jMenuHelpAbout_ActionAdapter implements ActionListener {
    MainFrame adaptee;

    MainFrame_jMenuHelpAbout_ActionAdapter(MainFrame adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent actionEvent) {
        adaptee.jMenuHelpAbout_actionPerformed(actionEvent);
    }
}