import java.net.*;
import java.util.Scanner;
import java.io.*;

class ClientHandler extends Thread
{
	private Socket conn;
	private boolean wantToQuit;
	private Scanner reader;
	private ProcessCommand process;
    ClientHandler(Socket conn)
    {
        this.conn = conn;
        reader = new Scanner(System.in);
    	wantToQuit = false;
    	process = new ProcessCommand();
    }

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



        try
        {
            //get socket writing and reading streams
            DataInputStream in = new DataInputStream(conn.getInputStream());
            PrintStream out = new PrintStream(conn.getOutputStream());

            //Send welcome message to client
            out.println("Welcome to the Server");
            out.println("Author: Hallvard Honningsvåg Halkjelsvik");
            out.println("Type help for a list of commands and a description.");
            out.println("Type quit to close the connection");

            //Now start reading input from client
            while(wantToQuit == false)
            {
            String word1 = null;
            String word2 = null;
            line = reader.nextLine();

            // Find up to two words on the line.
            Scanner tokenizer = new Scanner(line);
            if(tokenizer.hasNext()) {
                word1 = tokenizer.next();      // get first word
                if(tokenizer.hasNext()) {
                    word2 = tokenizer.next();      // get second word
                    // note: we just ignore the rest of the input line.
                }

            	}

                  if(word1 != null && word2 == null){
                	  process.process(word1, null);
                  }

                  else if(word1 == "quit"){
                	  wantToQuit = true;
				}

            }

            //client disconnected, so close socket
            conn.close();
        }

        catch (IOException e)
        {
            System.out.println("IOException on socket : " + e);
            e.printStackTrace();
        }
    }
}