/*
 * This file is part of the L2J Global project.
 * 
 * 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 com.l2jglobal.gameserver.network.clientpackets;

import com.l2jglobal.commons.network.PacketReader;
import com.l2jglobal.gameserver.data.sql.impl.CharNameTable;
import com.l2jglobal.gameserver.model.BlockList;
import com.l2jglobal.gameserver.model.actor.instance.L2PcInstance;
import com.l2jglobal.gameserver.network.SystemMessageId;
import com.l2jglobal.gameserver.network.client.L2GameClient;

public final class RequestBlock implements IClientIncomingPacket
{
	private static final int BLOCK = 0;
	private static final int UNBLOCK = 1;
	private static final int BLOCKLIST = 2;
	private static final int ALLBLOCK = 3;
	private static final int ALLUNBLOCK = 4;
	
	private String _name;
	private Integer _type;
	
	@Override
	public boolean read(L2GameClient client, PacketReader packet)
	{
		_type = packet.readD(); // 0x00 - block, 0x01 - unblock, 0x03 - allblock, 0x04 - allunblock
		if ((_type == BLOCK) || (_type == UNBLOCK))
		{
			_name = packet.readS();
		}
		return true;
	}
	
	@Override
	public void run(L2GameClient client)
	{
		final L2PcInstance activeChar = client.getActiveChar();
		final int targetId = CharNameTable.getInstance().getIdByName(_name);
		final int targetAL = CharNameTable.getInstance().getAccessLevelById(targetId);
		
		if (activeChar == null)
		{
			return;
		}
		
		switch (_type)
		{
			case BLOCK:
			case UNBLOCK:
				// can't use block/unblock for locating invisible characters
				if (targetId <= 0)
				{
					// Incorrect player name.
					activeChar.sendPacket(SystemMessageId.YOU_HAVE_FAILED_TO_REGISTER_THE_USER_TO_YOUR_IGNORE_LIST);
					return;
				}
				
				if (targetAL > 0)
				{
					// Cannot block a GM character.
					activeChar.sendPacket(SystemMessageId.YOU_MAY_NOT_IMPOSE_A_BLOCK_ON_A_GM);
					return;
				}
				
				if (activeChar.getObjectId() == targetId)
				{
					return;
				}
				
				if (_type == BLOCK)
				{
					BlockList.addToBlockList(activeChar, targetId);
				}
				else
				{
					BlockList.removeFromBlockList(activeChar, targetId);
				}
				break;
			case BLOCKLIST:
				BlockList.sendListToOwner(activeChar);
				break;
			case ALLBLOCK:
				activeChar.sendPacket(SystemMessageId.MESSAGE_REFUSAL_MODE);
				BlockList.setBlockAll(activeChar, true);
				break;
			case ALLUNBLOCK:
				activeChar.sendPacket(SystemMessageId.MESSAGE_ACCEPTANCE_MODE);
				BlockList.setBlockAll(activeChar, false);
				break;
			default:
				_log.info("Unknown 0xA9 block type: " + _type);
		}
	}
}
