/*
**               j###t  ########## ####   ####
**              j###t   ########## ####   ####
**             j###T               "###L J###"
**          ######P'    ##########  #########
**          ######k,    ##########   T######T
**          ####~###L   ####
**          #### q###L  ##########   .#####
**          ####  \###L ##########   #####"
**
**  Class History
**  
**  Date        Name         Description
**  ---------|------------|-----------------------------------------------
**  14Jul97     merlin       created this command
**
*/

package key.commands;

import key.*;
import java.io.IOException;
import java.util.StringTokenizer;
import java.util.Enumeration;
import java.lang.String;

/**
  *  This command is to display all the sites in the site container
  *  that have any form of ban on them, either Newbie, or Complete
 */
public class SitesBanned extends Command
{
    public static final TableParagraph.Column[] columns =
    {
		new TableParagraph.Column( "site", 35 ),
		new TableParagraph.Column( "ban type", 8 ),
		new TableParagraph.Column( "ban date", 28 ),
		};

	private StringBuffer siteInfo = null;

	public SitesBanned()
	{
		setKey( "sitesbanned" );
		usage = "";
	}

	public void run( Player p, StringTokenizer args, String fullLine, CategoryCommand caller, InteractiveConnection ic, Flags flags ) throws IOException
	{
		TableParagraph.Generator table = new TableParagraph.Generator( columns );
		
			// get all the network and site information there is in key
		for( Enumeration e = Key.getInternet().elements(); e.hasMoreElements(); )
		{
			try
			{
				traverseSites( e.nextElement(), table );
			}
			catch( InvalidContainerObject i )
			{
				ic.sendFeedback( i.getMessage() );
			}
		}
		
		if( table.count() == 0 )
		{
			ic.sendFeedback( "No sites have bans in place at the current time" );
			return;
		}
		
		ic.send( table.getParagraph() );
	}
	
	private final void traverseSites( Object n, TableParagraph.Generator tpg ) throws InvalidContainerObject
	{
		if( n instanceof Site )
		{
				// We have got the site object already - Check 
				// if it has any ban on it of any type
			Site site = (Site) n;
			if( !site.newbiesAllowed() || !site.connectionsAllowed() )
			{
				addBannedSite( site, tpg );
				return;
			}
		}
		else if( n instanceof Network )
		{
				// in this case, its a collection in itself of networks.
				// feed each network back into this member function.
				// until the Site is found.
			Network net = (Network) n;
			for( Enumeration e = net.elements(); e.hasMoreElements(); )
			{
					//  parse the network
				traverseSites( e.nextElement(), tpg );
			}
		}
		else if( n == null )
		{
				// there are no sites in the sites container. This is
				// an improbable situation, as if you are running this
				// command, at least one site is registered. But it's 
				// better to check that the site exists before doing anything
			 return;
		}
		else
		{
				// in this case, we have an object in the container that is not
				// a network or a site. This is a problem. Stop the command 
				// running straight away.
				throw( new InvalidContainerObject( "Invalid Object found in Sites - Class " + n.getClass().getName() ) );
		}
	}
	
	private final void addBannedSite( Site s, TableParagraph.Generator table )
	{
		String rowContents[] = new String[ columns.length ];
		
		rowContents[ 0 ] = s.toString();
		rowContents[ 1 ] = ( !s.newbiesAllowed()?"newbies":"complete" );
		//rowContents[ 2 ] = s.getProperty( "bannedAt" ).toString();
		rowContents[ 2 ] = s.bannedAt.toString();
		
		table.appendRow( rowContents );
	}
}