/*
 * 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.BlockList;
import silentium.gameserver.model.L2World;
import silentium.gameserver.model.actor.instance.L2PcInstance;
import silentium.gameserver.network.SystemMessageId;
import silentium.gameserver.network.serverpackets.FriendAddRequest;
import silentium.gameserver.network.serverpackets.SystemMessage;

public final class RequestFriendInvite extends L2GameClientPacket
{
	private String _name;

	@Override
	protected void readImpl()
	{
		_name = readS();
	}

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

		final L2PcInstance friend = L2World.getInstance().getPlayer(_name);

		// can't use friend invite for locating invisible characters
		if (friend == null || !friend.isOnline() || friend.getAppearance().getInvisible())
		{
			// Target is not found in the game.
			activeChar.sendPacket(SystemMessageId.THE_USER_YOU_REQUESTED_IS_NOT_IN_GAME);
			return;
		}

		if (friend == activeChar)
		{
			// You cannot add yourself to your own friend list.
			activeChar.sendPacket(SystemMessageId.YOU_CANNOT_ADD_YOURSELF_TO_OWN_FRIEND_LIST);
			return;
		}

		if (BlockList.isBlocked(activeChar, friend))
		{
			activeChar.sendMessage("You have blocked " + _name + ".");
			return;
		}

		if (BlockList.isBlocked(friend, activeChar))
		{
			activeChar.sendMessage("You are in " + _name + "'s block list.");
			return;
		}

		if (activeChar.getFriendList().contains(friend.getObjectId()))
		{
			// Player already is in your friendlist
			activeChar.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.S1_ALREADY_IN_FRIENDS_LIST).addString(_name));
			return;
		}

		if (!friend.isProcessingRequest())
		{
			// request to become friend
			activeChar.onTransactionRequest(friend);
			friend.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.S1_REQUESTED_TO_BECOME_FRIENDS).addPcName(activeChar));
			friend.sendPacket(new FriendAddRequest(activeChar.getName()));
		}
		else
			activeChar.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.S1_IS_BUSY_TRY_LATER).addString(_name));
	}
}