/*
	This file is part of the OdinMS Maple Story Server
    Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc> 
                       Matthias Butz <matze@odinms.de>
                       Jan Christian Meyer <vimes@odinms.de>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License version 3
    as published by the Free Software Foundation. You may not use, modify
    or distribute this program under any other version of the
    GNU Affero General Public License.

    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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package net.sf.odinms.net.login.handler;

import java.net.InetAddress;
import java.net.UnknownHostException;

import net.sf.odinms.client.MapleClient;
import net.sf.odinms.net.AbstractMaplePacketHandler;
import net.sf.odinms.net.login.LoginServer;
import net.sf.odinms.tools.MaplePacketCreator;
import net.sf.odinms.tools.data.input.SeekableLittleEndianAccessor;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class CharSelectedHandler extends AbstractMaplePacketHandler {
	private static Logger log = LoggerFactory.getLogger(CharSelectedHandler.class);

	@Override
	public void handlePacket(SeekableLittleEndianAccessor slea, MapleClient c) {
		//final String channelHost = "78.47.155.10"; //dual sailr
		//final String channelHost = "127.0.0.1";
		//final String channelHost = "209.160.33.9";
		//String channelHost = System.getProperty("net.sf.odinms.channelserver.host");
		int charId = slea.readInt();
		String macs = slea.readMapleAsciiString();
		c.updateMacs(macs);
		if (c.hasBannedMac()) {
			c.getSession().close();
			return;
		}
		try {
			if (c.getIdleTask() != null) {
				c.getIdleTask().cancel(true);
			}
			//c.getSession().write(MaplePacketCreator.getServerIP(InetAddress.getByName("127.0.0.1"), 7575, charId));
			c.updateLoginState(MapleClient.LOGIN_SERVER_TRANSITION);
			
			String channelServerIP = MapleClient.getChannelServerIPFromSubnet(c.getSession().getRemoteAddress().toString().replace("/", "").split(":")[0], c.getChannel());
            if(channelServerIP.equals("0.0.0.0")) {
                String[] socket = LoginServer.getInstance().getIP(c.getChannel()).split(":");

                                /*
                                 * LAN hack: if .lanhost is set, and client is connecting
                                 * from LAN, don't give them the external IP of the
                                 * channel server.
                                 */
                                String LANhost = System.getProperty("net.sf.odinms.lanhost");
                                if (c.isLAN() && LANhost != null)
                                        socket[0] = LANhost;

                                c.getSession().write(MaplePacketCreator.getServerIP(InetAddress.getByName(socket[0]), Integer.parseInt(socket[1]), charId));
            } else {
                String[] socket = LoginServer.getInstance().getIP(c.getChannel()).split(":");

                                /*
                                 * LAN hack: if .lanhost is set, and client is connecting
                                 * from LAN, don't give them the external IP of the
                                 * channel server.
                                 */
                                String LANhost = System.getProperty("net.sf.odinms.lanhost");
                                if (c.isLAN() && LANhost != null)
                                        socket[0] = LANhost;

                c.getSession().write(MaplePacketCreator.getServerIP(InetAddress.getByName(channelServerIP), Integer.parseInt(socket[1]), charId));
            }		} catch (UnknownHostException e) {
			log.error("Host not found", e);
		}
	}
}