//@author Rhandi Martin

import java.io.*;
import java.net.*;

public class ServerThread extends Thread {

	private ThreadGroup parent;
	private static ThreadGroup st;
	private Socket cSocket;
	private PrintWriter pw;
	private BufferedReader br;
	private String name;

	public ServerThread(ThreadGroup children, String name, Socket cSocket) {
		super(children,name);
		this.name = name;
		this.cSocket = cSocket;
		this.st = children;
	} //end ctor(ThreadGroup,String,Socket)

	public void run() {
		String input="",output="";

		try {
			br = new BufferedReader(new InputStreamReader(cSocket.getInputStream()));
			pw = new PrintWriter(cSocket.getOutputStream(),true);

			while((input = br.readLine())!=null) {
				if(input!=null) {
					input=input.trim();
					if (!(input.equals(""))) {
						if(input.equals("/quit")) {
							output = name+" has parted the channel.";
							System.out.println(output);
							writeOut(output);
							pw.println("Goodbye.");
							break;
						} else {
							output = name+": "+input;
							System.out.println(output);
							writeOut(output);
						} //end else
					}//end if
				} //end if
			} //end while

			br.close();
			pw.close();
		} catch(IOException ioe) {
			System.err.printf("Unable to establish connection to  %s - Exiting\n",name);
		} catch(Exception e) {
			System.err.printf("Unable to establish connection to  %s - Exiting\n",name);
		} //end t-c block
	} //end method - void init()

	private void writeOut(String output) {
		ThreadGroup tg = this.getThreadGroup();
		Thread[] peers = new Thread[tg.activeCount()];
		tg.enumerate(peers);

		for(Thread t: peers) {
			try {
				if(!(((ServerThread)t).equals(this))) {
					((ServerThread)t).write(output);
				} //end if
			}catch(ClassCastException cce) {
				continue;	//Do nothing
			} //end t-c block
		} //end for
	} //end method - void writeOut(String)

	synchronized void write(String output) {
		pw.println(output);
	}  //end method - void write(String)
} //end main