/*
 * 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.handler.admincommandhandlers;

import java.util.StringTokenizer;
import java.util.logging.Logger;

import net.sf.l2j.Config;
import net.sf.l2j.gameserver.handler.IAdminCommandHandler;
import net.sf.l2j.gameserver.model.L2Object;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.NpcHtmlMessage;

/**
 * This class handles following admin commands: <li>add_exp_sp_to_character <i>shows menu for add or remove</i> <li>add_exp_sp exp sp <i>Adds exp & sp to target, displays menu if a parameter is missing</i> <li>remove_exp_sp exp sp <i>Removes exp & sp from target, displays menu if a parameter is
 * missing</i>
 */
public class AdminExpSp implements IAdminCommandHandler
{
	private static Logger _log = Logger.getLogger(AdminExpSp.class.getName());
	private static final String[] ADMIN_COMMANDS =
	{
		"admin_add_exp_sp_to_character",
		"admin_add_exp_sp",
		"admin_remove_exp_sp"
	};
	
	@Override
	public boolean useAdminCommand(String command, L2PcInstance activeChar)
	{
		if (command.startsWith("admin_add_exp_sp"))
		{
			try
			{
				String val = command.substring(16);
				if (!adminAddExpSp(activeChar, val))
					activeChar.sendMessage("Usage: //add_exp_sp exp sp");
			}
			catch (StringIndexOutOfBoundsException e)
			{ // Case of missing parameter
				activeChar.sendMessage("Usage: //add_exp_sp exp sp");
			}
		}
		else if (command.startsWith("admin_remove_exp_sp"))
		{
			try
			{
				String val = command.substring(19);
				if (!adminRemoveExpSP(activeChar, val))
					activeChar.sendMessage("Usage: //remove_exp_sp exp sp");
			}
			catch (StringIndexOutOfBoundsException e)
			{ // Case of missing parameter
				activeChar.sendMessage("Usage: //remove_exp_sp exp sp");
			}
		}
		addExpSp(activeChar);
		return true;
	}
	
	@Override
	public String[] getAdminCommandList()
	{
		return ADMIN_COMMANDS;
	}
	
	private static void addExpSp(L2PcInstance activeChar)
	{
		L2Object target = activeChar.getTarget();
		L2PcInstance player = null;
		if (target instanceof L2PcInstance)
			player = (L2PcInstance) target;
		else
		{
			activeChar.sendPacket(SystemMessageId.INCORRECT_TARGET);
			return;
		}
		NpcHtmlMessage adminReply = new NpcHtmlMessage(0);
		adminReply.setFile("data/html/admin/expsp.htm");
		adminReply.replace("%name%", player.getName());
		adminReply.replace("%level%", String.valueOf(player.getLevel()));
		adminReply.replace("%xp%", String.valueOf(player.getExp()));
		adminReply.replace("%sp%", String.valueOf(player.getSp()));
		adminReply.replace("%class%", player.getTemplate().className);
		activeChar.sendPacket(adminReply);
	}
	
	private static boolean adminAddExpSp(L2PcInstance activeChar, String ExpSp)
	{
		L2Object target = activeChar.getTarget();
		L2PcInstance player = null;
		if (target instanceof L2PcInstance)
		{
			player = (L2PcInstance) target;
		}
		else
		{
			activeChar.sendPacket(SystemMessageId.INCORRECT_TARGET);
			return false;
		}
		StringTokenizer st = new StringTokenizer(ExpSp);
		if (st.countTokens() != 2)
			return false;
		
		String exp = st.nextToken();
		String sp = st.nextToken();
		long expval = 0;
		int spval = 0;
		try
		{
			expval = Long.parseLong(exp);
			spval = Integer.parseInt(sp);
		}
		catch (Exception e)
		{
			return false;
		}
		
		if (expval != 0 || spval != 0)
		{
			// Common character information
			player.sendMessage("Admin is adding you " + expval + " xp and " + spval + " sp.");
			player.addExpAndSp(expval, spval);
			// Admin information
			activeChar.sendMessage("Added " + expval + " xp and " + spval + " sp to " + player.getName() + ".");
			if (Config.DEBUG)
				_log.fine("GM: " + activeChar.getName() + "(" + activeChar.getObjectId() + ") added " + expval + " xp and " + spval + " sp to " + player.getObjectId() + ".");
		}
		return true;
	}
	
	private static boolean adminRemoveExpSP(L2PcInstance activeChar, String ExpSp)
	{
		L2Object target = activeChar.getTarget();
		L2PcInstance player = null;
		if (target instanceof L2PcInstance)
		{
			player = (L2PcInstance) target;
		}
		else
		{
			activeChar.sendPacket(SystemMessageId.INCORRECT_TARGET);
			return false;
		}
		StringTokenizer st = new StringTokenizer(ExpSp);
		if (st.countTokens() != 2)
			return false;
		
		String exp = st.nextToken();
		String sp = st.nextToken();
		long expval = 0;
		int spval = 0;
		try
		{
			expval = Long.parseLong(exp);
			spval = Integer.parseInt(sp);
		}
		catch (Exception e)
		{
			return false;
		}
		
		if (expval != 0 || spval != 0)
		{
			// Common character information
			player.sendMessage("Admin is removing you " + expval + " xp and " + spval + " sp.");
			player.removeExpAndSp(expval, spval);
			// Admin information
			activeChar.sendMessage("Removed " + expval + " xp and " + spval + " sp from " + player.getName() + ".");
			if (Config.DEBUG)
				_log.fine("GM: " + activeChar.getName() + "(" + activeChar.getObjectId() + ") removed " + expval + " xp and " + spval + " sp from " + player.getObjectId() + ".");
		}
		return true;
	}
}