/*
 * 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.util.HashSet;
import java.util.Set;

import net.sf.l2j.Config;
import net.sf.l2j.gameserver.model.ItemRequest;
import net.sf.l2j.gameserver.model.L2World;
import net.sf.l2j.gameserver.model.TradeList;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.util.Util;

public final class RequestPrivateStoreBuy extends L2GameClientPacket
{
	private static final int BATCH_LENGTH = 12; // length of one item
	
	private int _storePlayerId;
	private Set<ItemRequest> _items = null;
	
	@Override
	protected void readImpl()
	{
		_storePlayerId = readD();
		int count = readD();
		if (count <= 0 || count > Config.MAX_ITEM_IN_PACKET || count * BATCH_LENGTH != _buf.remaining())
			return;
		
		_items = new HashSet<>();
		
		for (int i = 0; i < count; i++)
		{
			int objectId = readD();
			long cnt = readD();
			int price = readD();
			
			if (objectId < 1 || cnt < 1 || price < 0)
			{
				_items = null;
				return;
			}
			
			_items.add(new ItemRequest(objectId, (int) cnt, price));
		}
	}
	
	@Override
	protected void runImpl()
	{
		L2PcInstance player = getClient().getActiveChar();
		if (player == null)
			return;
		
		if (_items == null)
			return;
		
		L2PcInstance storePlayer = L2World.getInstance().getPlayer(_storePlayerId);
		if (storePlayer == null)
			return;
		
		if (player.isCursedWeaponEquipped())
			return;
		
		if (!player.isInsideRadius(storePlayer, 150, true, false))
			return;
		
		if (!(storePlayer.getPrivateStoreType() == L2PcInstance.STORE_PRIVATE_SELL || storePlayer.getPrivateStoreType() == L2PcInstance.STORE_PRIVATE_PACKAGE_SELL))
			return;
		
		TradeList storeList = storePlayer.getSellList();
		if (storeList == null)
			return;
		
		if (!player.getAccessLevel().allowTransaction())
		{
			player.sendPacket(SystemMessageId.YOU_ARE_NOT_AUTHORIZED_TO_DO_THAT);
			return;
		}
		
		if (storePlayer.getPrivateStoreType() == L2PcInstance.STORE_PRIVATE_PACKAGE_SELL)
		{
			if (storeList.getItemCount() > _items.size())
			{
				Util.handleIllegalPlayerAction(getClient().getActiveChar(), "[RequestPrivateStoreBuy] " + player.getName() + " tried to buy less items than sold in package.", Config.DEFAULT_PUNISH);
				return;
			}
		}
		
		int result = storeList.privateStoreBuy(player, _items);
		if (result > 0)
		{
			if (result > 1)
				_log.warning("PrivateStore buy has failed due to invalid list or request. Player: " + player.getName() + ", Private store of: " + storePlayer.getName());
			return;
		}
		
		if (storeList.getItemCount() == 0)
		{
			storePlayer.setPrivateStoreType(L2PcInstance.STORE_PRIVATE_NONE);
			storePlayer.broadcastUserInfo();
		}
	}
}