/*
	A basic extension of the java.applet.Applet class
*/

import java.awt.*;
import java.applet.*;
import java.net.*;
import java.io.*;
import java.awt.event.*;
import java.util.*;
import MDMSupport.HttpMessage;


public class Applet1 extends Applet implements Runnable
{
  Frame4 chatobj=null;
  public String randid=null;
  String checkid,listusers;
  public int slen;
  TextArea text;
  Label label;
  TextField input;
  Thread thread=null;
  public String user,usertemp,listid,userid,user1;
  String mode;  
  public int location;
  String chstr[];
  String chstr1[];
  java.awt.Image im;
  public boolean already=false;
  
	public void init()
	{
		// Take out this line if you don't use symantec.itools.net.RelativeURL or symantec.itools.awt.util.StatusScroller
		symantec.itools.lang.Context.setApplet(this);
	    im=getImage(this.getDocumentBase(),"md.gif");
	    System.out.println("after loading image");
            
            System.out.println("getcode base returns"+getCodeBase());


		//{{INIT_CONTROLS
		setLayout(null);
		setBackground(new java.awt.Color(208,211,181));
		setFont(new Font("Serif", Font.PLAIN, 12));
		setSize(123,27);
		add(textField1);
		textField1.setBackground(java.awt.Color.white);
		textField1.setBounds(24,60,144,36);
		resize(123,27);
		//setSize(123,27);
		//}}
	
		//{{REGISTER_LISTENERS
		SymMouse aSymMouse = new SymMouse();
		this.addMouseListener(aSymMouse);
		SymAction lSymAction = new SymAction();
		textField1.addActionListener(lSymAction);
		//}}
	
	// Check if this applet was loaded directly from the filesystem.
    // If so, explain to the user that this applet needs to be loaded
    // from a server in order to communicate with that server's servlets.
    URL codebase = getCodeBase();
    if (!"http".equals(codebase.getProtocol())) {
      System.out.println();
      System.out.println("*** Whoops! ***");
      System.out.println("This applet must be loaded from a web server.");
      System.out.println("Please try again, this time fetching the HTML");
      System.out.println("file containing this servlet as");
      System.out.println("\"http://server:port/file.html\".");
      System.out.println();

		
	}
	user=getParameter("user");
	if (user==null) user="Unknown";
	
	thread = new Thread(this);
    int currPriority=thread.currentThread().getPriority();
    int newPriority=currPriority==Thread.MIN_PRIORITY?Thread.MIN_PRIORITY:currPriority-1;
    thread.setDaemon(true);
    thread.setPriority(newPriority);
    thread.start();
	
	}//end of init method
	
	public void paint(Graphics g)
	{
	    System.out.println("before painting");
	 //   g.drawImage(im,0,0,this);
	}
	
	//{{DECLARE_CONTROLS
	java.awt.TextField textField1 = new java.awt.TextField();
	//}}

	class SymMouse extends java.awt.event.MouseAdapter
	{
		public void mouseClicked(java.awt.event.MouseEvent event)
		{
			Object object = event.getSource();
			if (object == Applet1.this)
				Applet1_MouseClicked(event);
		}
	}

	void Applet1_MouseClicked(java.awt.event.MouseEvent event)
	{
		// to do: code goes here.
		System.out.println("mouse is clicked");
		java.util.Date date=new java.util.Date();
     
	    Frame1 messframe=new Frame1("MD Messenger         "+usertemp+" started at : "+date,this);
	    messframe.setVisible(true);
	}


public void start()
{
   if ((thread!=null) && (thread.isAlive()))
   {
    thread.resume();
   }
   else
   {
    thread=new Thread(this);
    thread.setDaemon(true);
    thread.start();
   }
   
}


String getNextMessage() {
    
    String nextMessage = null;
    System.out.println("Entered in getNextMessage()");
    while (nextMessage == null) {
      try {
      System.out.println("This is new");
       URL url1 = new URL("http://202.56.229.149/servlet/ChatServletNew");
//        URL url = new URL(url1, "servlet/ChatServletNew");
        System.out.println("creating the url successs");
        HttpMessage msg = new HttpMessage(url1);
        
        InputStream in = msg.sendGetMessage();
        DataInputStream data = new DataInputStream(
                               new BufferedInputStream(in));
        nextMessage = data.readLine();
        System.out.println(nextMessage);
        
      }
      
      catch (SocketException e) {
        // Can't connect to host, report it and wait before trying again
        System.out.println("Can't connect to host: " + e.getMessage());
        try { Thread.sleep(5000); } catch (InterruptedException ignored) { }
      }
      catch (FileNotFoundException e) {
        // Servlet doesn't exist, report it and wait before trying again
        
        System.out.println("Resource not found: " + e.getMessage());
        try { Thread.sleep(5000); } catch (InterruptedException ignored) { }
      }
      catch (Exception e) {
        // Some other problem, report it and wait before trying again
        System.out.println("General exception: " +
          e.getClass().getName() + ": " + e.getMessage());
        try { Thread.sleep(1000); } catch (InterruptedException ignored) { }
      }
    }
    return nextMessage + "\n";
  }
 
 public void run() {
    while (true) {
        
        String s=this.getNextMessage();
        String sub="";
        String usename="";
        int mlen=s.length();
        System.out.println("Inside Run: "+s);
        if ((s.charAt(0)!='*') && (s.charAt(0)!='^') &&(s.charAt(0)!='#') && (s.charAt(0)!='~'))
        {
            
            
            int loc1=0;
            int loc2=0;
            if (s.charAt(0)=='$')
            {
            for (int i=1;i<mlen;i++)
            {
                if (s.charAt(i)==':')
                {
                    usename=s.substring(1,i);
                    loc1=i+2;
                    break;
                }
            }
            for (int i=loc1;i<mlen;i++)
            {
                if (s.charAt(i)=='%')
                {
                    checkid=s.substring(loc1,i);
                    loc2=i;
                    break;
                }
                
            }
            
            if (checkid.equals(randid))
            {
                s=s.substring(loc2+1, mlen);
                String s1=usename+": "+s;
                int len=s.length();
                boolean flag=false;
                if ((len<=62)&& (s!=null))
                  Frame4.textArea1.appendText(s1);
                while (len>62)
                {

                  s=s1.substring(0, 61);
                  Frame4.textArea1.appendText(s+"\n");
                  flag=true;
                  s1=s1.substring(62,s1.length());
                  len=s1.length();
                  
                    
                }
                if ((len<=62)&& (s!=null) && flag)
                  Frame4.textArea1.appendText(s1);
                
                
            }
            }
        }
        if ((s.charAt(0)=='*') && (s.charAt(0)!='^') && (s.charAt(0)!='#')&& (s.charAt(0)!='~'))
        {
            System.out.println(s);
            chstr=new String[50];
            int size=parse(chstr,s);
            for (int i=0;i<size;i++)
            {
                System.out.println(chstr[i]);
            }
            

            if (already==false){
                int loc1=0;
                int loc2=0;
               if (chstr[2].equals(usertemp))
               {
                
                String s1;
		        this.already=true;        
		        this.randid=usertemp;
		        java.util.Date date=new java.util.Date();
                chatobj=new Frame4(randid+ " Started At: "+date,this);
                chatobj.setVisible(true);
                Frame4.list1.addItem(usertemp);
                if (listusers!=null)
                {
                    addToList(listusers);
                    listusers=null;
                }
                }
                int l=s.length();
                int count=0;
                for (int i=1;i<l;i++)
                {
                    if (s.charAt(i)=='*')
                    {
                      count++;
                      if (count==1) loc1=i;
                      if (count==2) 
                      {
                        loc2=i;
                        break;
                      }
                    }
                }
               String title=s.substring(loc1+1,loc2);
                java.util.Date date=new java.util.Date();
		        for (int i=3;i<size;i++){
                    if (chstr[i].equals(usertemp))
                    {
                       Frame3 fr3=new Frame3(title+" Started At: "+date,s,this);
                       fr3.setVisible(true);
                       break;
                    }
                } //end of for
            }// end of if
        }//end of if
        
        if (s.charAt(0)=='^')
        {
            for (int i=1;i<mlen;i++)
            {
                if (s.charAt(i)=='*')
                {
                    listid=s.substring(1,i);
                    userid=s.substring(i+1,mlen-1);
                    break;
                }
            }
            if (listid.equals(randid))
            {
                boolean flag=true;
                Frame4.list1.addItem(userid);
                int nouse=Frame4.list1.getItemCount();
                for (int i=0;i<nouse;i++)
                {
                    if (Frame4.list1.getItem(i).equals(listid))
                    {
                    flag=false;   
                    break;
                    }
                                
                }
                if (flag)
                    Frame4.list1.addItem(listid);
            }//end of if
            
        }   //end of if
        
        if (s.charAt(0)=='#') //# for adding users in the userlist
        {
            System.out.println("This is inside #");
            if (chatobj==null)
            {
                listusers=s;
                addToList(s);
            }
            else
                addToList(s);
           
        }
        if (s.charAt(0)=='~')
        {
            int len1=s.length();
            int len2=s.indexOf("*");
            String randname=s.substring(1,len2);
            String removename=s.substring(len2+2,len1).trim();          // user names that is to be removed
            System.out.println("randname : "+randname);
            System.out.println("removename : "+removename);
            
            java.awt.List list=Frame4.list1;
            java.awt.TextArea textarea=Frame4.textArea1;
            if (randname.equals(randid)) 
            {
                System.out.println("matches random id");
                int removecount=Frame4.list1.getItemCount();
                String arg[]=Frame4.list1.getItems();
                for (int i=0;i<removecount;i++)
                {
                    System.out.println(arg[i]);
                    
                   if (arg[i].equals(removename))
                   {
                    list.remove(i);
                    textarea.append("<"+removename+" has Logged out of Chat>\n");
                    break;
                   }
                }
                for (int i=0;i<list.getItemCount();i++)
                {
                    System.out.println(list.getItem(i));
                }
            }
            
            
            
        }
        
    }// end of while
  }//end of run method

  public void stop() {
    broadcastMessage("~"+randid+"*"+user);
    randid=null;
	already=false;
	thread.stop();
    thread = null;
  }
private int parse(String dst[], String src)
        {
            int i=0,x=0;
            while(true)
            {
                int n = src.indexOf('*', x);
                if(n==-1)
                {
                    dst[i] = src.substring(x);
                    break;
                }
                else
                        dst[i] = src.substring(x, n);
                dst[i] = dst[i];
                x = n+1;
                i++;
            }
            return i+1;
        }




  void broadcastMessage(String message) {
    String invitemes="";
    Properties props = new Properties();
    System.out.println("entered in broadcastmsg "+message+"  New Version");
    try {
    URL url1=new URL("http://202.56.229.149/servlet/ChatServletNew");
//      URL url = new URL(url1, "servlet/ChatServletNew");
      HttpMessage msg = new HttpMessage(url1);
      
    
        if (message.charAt(0)=='*') // Sending invite message to servlet
        {
            
            invitemes=message;
            mode="invitee";
            props.put("message", invitemes);
            msg.sendPostMessage(props);
            
                   
        }
        else if (message.charAt(0)=='$') //sending user names to serlvet
        {
            user=message;
            mode="user";
            props.put("message",user);
            msg.sendPostMessage(props);
        }
        else if (message.charAt(0)=='^')
        {
            user1=message;
            mode="user1";
            props.put("message",user1);
            msg.sendPostMessage(props);
        }
        else if (message.charAt(0)=='~')
        {
            props.put("message",message);
            msg.sendPostMessage(props);
            
        }
        else if (message.charAt(0)=='|')
        {
            props.put("message",message);
            msg.sendPostMessage(props);
        }
        else                            //sending messages to the servlet
        {
            
            message = user + ": " + message;        // Pre-pend the speaker's name
            mode="message";
            props.put("message", message);
            
            msg.sendPostMessage(props);
            
        }
    }
        catch (SocketException e) {
        // Can't connect to host, report it and abandon the broadcast
        System.out.println("Can't connect to host: " + e.getMessage());
        }
        catch (FileNotFoundException e) {
        // Servlet doesn't exist, report it and abandon the broadcast
        System.out.println("Resource not found: " + e.getMessage());
        }
        catch (Exception e) {
        // Some other problem, report it and abandon the broadcast
        System.out.println("General exception: " +
            e.getClass().getName() + ": " + e.getMessage());
        }
    }

	class SymAction implements java.awt.event.ActionListener
	{
		public void actionPerformed(java.awt.event.ActionEvent event)
		{
			Object object = event.getSource();
			if (object == textField1)
				textField1_ActionPerformed(event);
		}
	}

	void textField1_ActionPerformed(java.awt.event.ActionEvent event)
	{
		// to do: code goes here.
        usertemp=textField1.getText();		
		user="$"+textField1.getText();
	
		java.util.Date date=new java.util.Date();
	    Frame1 messframe=new Frame1("MD Messenger         "+usertemp+" started at : "+date,this);
	    messframe.setVisible(true);
	}

	public void addToList(String str)
	{
	
	        int len = str.length();
            chstr1=new String[200];
            int count=parse(chstr1,str);// count for no. of users from server
            int listcount=Frame4.list1.getItemCount();
            String listarr[]=Frame4.list1.getItems();
            int j=0;
            chstr1[0]=chstr1[0].substring(1,chstr1[0].length());
            System.out.println("this is chstr1[0] "+chstr1[0]);
            System.out.println("this is randid"+randid);
            if (chstr1[0].equals(randid))
            {
            for (int i=0;i<count-1;i++)
            {
                System.out.println(chstr1[i]);
                for (j=0;j<listcount;j++)
                {
      
                    if (chstr1[i].equals(listarr[j]))
                    break;
                }
                if (j==listcount)
                    Frame4.list1.addItem(chstr1[i]);
            }
          }   
    }	
}