/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.l2jserver.log;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Formatter;
import java.util.logging.LogRecord;

import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.network.L2GameClient;
import com.l2jserver.util.StringUtil;

public class AccountingFormatter extends Formatter
{
	private static final String CRLF = "\r\n";
	private final SimpleDateFormat dateFmt = new SimpleDateFormat("dd MMM H:mm:ss");
	
	@Override
	public String format(LogRecord record)
	{
		final Object[] params = record.getParameters();
		final StringBuilder output = StringUtil.startAppend(30 + record.getMessage().length() + (params == null ? 0 : params.length * 10), "[", dateFmt.format(new Date(record.getMillis())), "] ", record.getMessage());
		
		if (params != null)
		{
			for (Object p : params)
			{
				if (p == null)
				{
					continue;
				}
				
				StringUtil.append(output, ", ");
				
				if (p instanceof L2GameClient)
				{
					final L2GameClient client = (L2GameClient) p;
					String address = null;
					try
					{
						if (!client.isDetached())
						{
							address = client.getConnection().getInetAddress().getHostAddress();
						}
					}
					catch (Exception e)
					{
					}
					
					switch (client.getState())
					{
						case IN_GAME:
							if (client.getActiveChar() != null)
							{
								StringUtil.append(output, client.getActiveChar().getName());
								StringUtil.append(output, "(", String.valueOf(client.getActiveChar().getObjectId()), ") ");
							}
							break;
						case AUTHED:
							if (client.getAccountName() != null)
							{
								StringUtil.append(output, client.getAccountName(), " ");
							}
							break;
						case CONNECTED:
							if (address != null)
							{
								StringUtil.append(output, address);
							}
							break;
						default:
							throw new IllegalStateException("Missing state on switch");
					}
				}
				else if (p instanceof L2PcInstance)
				{
					L2PcInstance player = (L2PcInstance) p;
					StringUtil.append(output, player.getName());
					StringUtil.append(output, "(", String.valueOf(player.getObjectId()), ")");
				}
				else
				{
					StringUtil.append(output, p.toString());
				}
			}
		}
		
		output.append(CRLF);
		return output.toString();
	}
}