/*
**               j###t  ########## ####   ####
**              j###t   ########## ####   ####
**             j###T               "###L J###"
**          ######P'    ##########  #########
**          ######k,    ##########   T######T
**          ####~###L   ####
**          #### q###L  ##########   .#####
**          ####  \###L ##########   #####"
*/

package key.commands;

import key.*;
import key.primitive.*;
import java.io.IOException;

import java.util.StringTokenizer;
import java.util.Enumeration;

public class Finger extends Command
{
	private static final long serialVersionUID = 511480019705872281L;
	
	public Finger()
	{
		setKey( "finger" );
		usage = "<player>";
	}
	
	public void run( Player p, StringTokenizer args, String fullLine, CategoryCommand caller, InteractiveConnection ic, Flags flags ) throws IOException
	{
		String targetPlayer;
		
		if( args.hasMoreTokens() )
		{
			targetPlayer = args.nextToken( " " );
			Object o;
			
			//Container c = (Container) Key.shortcuts();
			o = getElementInside( ic, targetPlayer, Key.shortcuts() );
			
			if( o == null )
				return;
			
			if( o instanceof Player )
			{
				Player a = (Player) o;
				a.sendFingerScreen( ic );
			}
			else if( o instanceof Container && ((Container)o).getConstraint() == Type.PLAYER )
			{
				Container c = (Container) o;
				
				if( c.count() == 0 )
				{
						//  output an appropriate message
					if( c instanceof Friends )
						ic.sendFailure( "You have no friends." );
					else
						ic.sendFailure( "There is no-one in " + c.getName() );
				}
				
					//  this is a group of some sort containing players, we can
					//  finger each one of them, quickly.
				for( Enumeration e = c.elements(); e.hasMoreElements(); )
					sendLastLogin( (Player) e.nextElement(), ic, p );
			}
			else
				ic.send( "'" + targetPlayer + "' is not something that is fingerable." );
		}
		else
			usage( ic );
	}
	
	public static void sendLastLogin( Player f, InteractiveConnection ic, Player p )
	{
		TimeStatistics loginStats = f.loginStats;
		
		if( f.connected() )
		{
			ic.send( f.getName() + " has been logged in for " + loginStats.getTimeSinceConnection() );
		}
		else
		{
			DateTime dateTime = (DateTime) loginStats.getLastConnection();
			
			if( dateTime == null )
				ic.send( f.getName() + " has never logged in." );
			else
				ic.send( f.getName() + " was last seen at " + dateTime.toString( p ) );
		}
	}
}