import java.awt.BorderLayout;
import java.net.InetAddress;
import java.net.UnknownHostException;

import javax.swing.JFrame;

/**
 * 
 * @author emi-lind
 *
 */
public class UniDraw extends JFrame
{
	private final static int 	DEFAULT_LOCAL_PORT 	= 2000;
	private final static String DEFAULT_HOST 		= "localhost";
	private final static int 	DEFAULT_REMOTE_PORT = 2001;
	
	private int 			_localPort;
	private InetAddress 	_host;
	private int 			_remotePort;
	
	
	public static void main (String[] args)
	{
		new UniDraw(args);
	}
	


	public UniDraw(String[] aArgs)
	{
		super("Unicast Draw v1.0");
		this.readArgs(aArgs);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		getContentPane().add(new UniPaper(this), BorderLayout.CENTER);
		setSize(800, 400);
		setVisible(true);
	}

	private void readArgs(String[] aArgs)
	{
		_localPort = DEFAULT_LOCAL_PORT;
		_remotePort = DEFAULT_REMOTE_PORT;
		
		String tmpHost = DEFAULT_HOST;
		if (aArgs.length == 3)
		{
			tmpHost = aArgs[1];
			try
			{
				_localPort = Integer.parseInt(aArgs[0]);
				_remotePort = Integer.parseInt(aArgs[2]);
				
				
			}
			catch (NumberFormatException e)
			{
				System.err.println("Invalid port(s)! Error: "  + e);
				System.exit(1);
			}
			
		}
		
		try
		{
			_host = InetAddress.getByName(tmpHost);
		}
		catch (UnknownHostException e)
		{
			System.err.println(e);
		}
		
		System.out.println("Using:\nLocal Port: \t" + _localPort + "\nRemote Host: \t" + _host + "\nRemote Port:  \t" + _remotePort);
	}
	
	public int getLocalPort()
	{
		return _localPort;
	}
	
	public InetAddress getRemoteHost()
	{
		return _host;
	}
	
	public int getRemotePort()
	{
		return _remotePort;
	}
	
}