/*
 * 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 net.sf.l2j.gameserver.network.clientpackets;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.logging.Logger;

import net.sf.l2j.Config;
import net.sf.l2j.L2DatabaseFactory;
import net.sf.l2j.gameserver.SevenSignsFestival;
import net.sf.l2j.gameserver.communitybbs.Manager.RegionBBSManager;
import net.sf.l2j.gameserver.datatables.SkillTable;
import net.sf.l2j.gameserver.model.L2Party;
import net.sf.l2j.gameserver.model.L2World;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.ActionFailed;
import net.sf.l2j.gameserver.network.serverpackets.FriendList;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;
import net.sf.l2j.gameserver.taskmanager.AttackStanceTaskManager;

/**
 * This class ...
 *
 * @version $Revision: 1.9.4.3 $ $Date: 2005/03/27 15:29:30 $
 */
public final class Logout extends L2GameClientPacket
{
	private static final String _C__09_LOGOUT = "[C] 09 Logout";
	private static final Logger _log = Logger.getLogger(Logout.class.getName());

	@Override
	protected void readImpl()
	{

	}

	@Override
	protected void runImpl()
	{
		// Dont allow leaving if player is fighting
		final L2PcInstance player = getClient().getActiveChar();

		if (player == null)
			return;

		if(player.getActiveEnchantItem() != null || player.getActiveEnchantAttrItem() != null)
		{
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}

		if (player.isLocked())
		{
			_log.warning("Player " + player.getName() + " tried to logout during class change.");
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}

		player.getInventory().updateDatabase();

		if(AttackStanceTaskManager.getInstance().getAttackStanceTask(player) && !(player.isGM() && Config.GM_RESTART_FIGHTING))
		{
			if (Config.DEBUG) _log.fine("Player " + player.getName() + " tried to logout while fighting");

			player.sendPacket(new SystemMessage(SystemMessageId.CANT_LOGOUT_WHILE_FIGHTING));
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}

		if(player.atEvent)
		{
			player.sendMessage("A superior power doesn't allow you to leave the event");
			player.sendPacket(ActionFailed.STATIC_PACKET);
			return;
		}

		// Prevent player from logging out if they are a festival participant
		// and it is in progress, otherwise notify party members that the player
		// is not longer a participant.
		if (player.isFestivalParticipant()) {
			if (SevenSignsFestival.getInstance().isFestivalInitialized())
			{
				player.sendMessage("You cannot log out while you are a participant in a festival.");
				player.sendPacket(ActionFailed.STATIC_PACKET);
				return;
			}
			final L2Party playerParty = player.getParty();

			if (playerParty != null)
				player.getParty().broadcastToPartyMembers(SystemMessage.sendString(player.getName() + " has been removed from the upcoming festival."));
		}
		if (player.isFlying())
		{
			player.removeSkill(SkillTable.getInstance().getInfo(4289, 1));
		}

		if ((player.isInStoreMode() && Config.OFFLINE_TRADE_ENABLE)
				|| (player.isInCraftMode() && Config.OFFLINE_CRAFT_ENABLE))
		{
			player.closeNetConnection();
			return;
		}

		RegionBBSManager.getInstance().changeCommunityBoard();

		player.deleteMe();
		notifyFriends(player);
	}

	private void notifyFriends(L2PcInstance cha)
	{
		Connection con = null;

		try {
			con = L2DatabaseFactory.getInstance().getConnection();
			PreparedStatement statement;
			statement = con.prepareStatement("SELECT friend_name FROM character_friends WHERE charId=?");
			statement.setInt(1, cha.getObjectId());
			ResultSet rset = statement.executeQuery();

			L2PcInstance friend;
			String friendName;

			while (rset.next())
			{
				friendName = rset.getString("friend_name");

				friend = L2World.getInstance().getPlayer(friendName);

				if (friend != null) //friend logged in.
				{
					friend.sendPacket(new FriendList(friend));
				}
			}

			rset.close();
			statement.close();
		}
		catch (Exception e) {
			_log.warning("could not restore friend data:"+e);
		}
		finally {
			try {con.close();} catch (Exception e){}
		}
	}

	/* (non-Javadoc)
	 * @see net.sf.l2j.gameserver.clientpackets.ClientBasePacket#getType()
	 */
	@Override
	public String getType()
	{
		return _C__09_LOGOUT;
	}
}