/*
 * 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 silentium.gameserver.network.clientpackets;

import silentium.gameserver.data.crest.CrestCache;
import silentium.gameserver.data.crest.CrestCache.CrestType;
import silentium.gameserver.idfactory.IdFactory;
import silentium.gameserver.model.L2Clan;
import silentium.gameserver.model.actor.instance.L2PcInstance;
import silentium.gameserver.tables.ClanTable;

public final class RequestSetAllyCrest extends L2GameClientPacket
{
	private int _length;
	private byte[] _data;

	@Override
	protected void readImpl()
	{
		_length = readD();
		if (_length > 192)
			return;

		_data = new byte[_length];
		readB(_data);
	}

	@Override
	protected void runImpl()
	{
		final L2PcInstance activeChar = getClient().getActiveChar();
		if (activeChar == null)
			return;

		if (_length < 0)
		{
			activeChar.sendMessage("File transfer error.");
			return;
		}

		if (_length > 192)
		{
			activeChar.sendMessage("The crest file size was too big (max 192 bytes).");
			return;
		}

		if (activeChar.getAllyId() != 0)
		{
			L2Clan leaderclan = ClanTable.getInstance().getClan(activeChar.getAllyId());
			if (activeChar.getClanId() != leaderclan.getClanId() || !activeChar.isClanLeader())
				return;

			boolean remove = false;
			if (_length == 0 || _data.length == 0)
				remove = true;

			int newId = 0;
			if (!remove)
				newId = IdFactory.getInstance().getNextId();

			if (!remove && !CrestCache.saveCrest(CrestType.ALLY, newId, _data))
			{
				log.info("Error saving crest for ally " + leaderclan.getAllyName() + " [" + leaderclan.getAllyId() + "]");
				return;
			}

			leaderclan.changeAllyCrest(newId, false);
		}
	}
}