/*
 * 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.model.L2World;
import silentium.gameserver.model.TradeList;
import silentium.gameserver.model.actor.instance.L2PcInstance;
import silentium.gameserver.network.SystemMessageId;
import silentium.gameserver.network.serverpackets.TradeItemUpdate;
import silentium.gameserver.network.serverpackets.TradeOtherAdd;
import silentium.gameserver.network.serverpackets.TradeOwnAdd;

public final class AddTradeItem extends L2GameClientPacket
{
	private int _tradeId;
	private int _objectId;
	private int _count;

	public AddTradeItem()
	{
	}

	@Override
	protected void readImpl()
	{
		_tradeId = readD();
		_objectId = readD();
		_count = readD();
	}

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

		final TradeList trade = player.getActiveTradeList();
		if (trade == null)
		{
			log.warn("Character: " + player.getName() + " requested item:" + _objectId + " add without active tradelist:" + _tradeId);
			return;
		}

		final L2PcInstance partner = trade.getPartner();
		if (partner == null || L2World.getInstance().getPlayer(partner.getObjectId()) == null || partner.getActiveTradeList() == null)
		{
			// Trade partner not found, cancel trade
			if (partner != null)
				log.warn(player.getName() + " requested invalid trade object: " + _objectId);

			player.sendPacket(SystemMessageId.TARGET_IS_NOT_FOUND_IN_THE_GAME);
			player.cancelActiveTrade();
			return;
		}

		if (trade.isConfirmed() || partner.getActiveTradeList().isConfirmed())
		{
			player.sendPacket(SystemMessageId.CANNOT_ADJUST_ITEMS_AFTER_TRADE_CONFIRMED);
			return;
		}

		if (!player.getAccessLevel().allowTransaction())
		{
			player.sendMessage("Transactions are disabled for your Access Level.");
			player.cancelActiveTrade();
			return;
		}

		if (!player.validateItemManipulation(_objectId, "trade"))
		{
			player.sendPacket(SystemMessageId.NOTHING_HAPPENED);
			return;
		}

		final TradeList.TradeItem item = trade.addItem(_objectId, _count);
		if (item != null)
		{
			player.sendPacket(new TradeOwnAdd(item));
			player.sendPacket(new TradeItemUpdate(trade, player));
			trade.getPartner().sendPacket(new TradeOtherAdd(item));
		}
	}
}