/*
 * This file is part of aion-unique <aion-unique.org>.
 *
 *  aion-unique 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.
 *
 *  aion-unique 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 aion-unique.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.aionemu.gameserver.services;

import org.apache.log4j.Logger;

import com.aionemu.gameserver.dataholders.CubeExpandData;
import com.aionemu.gameserver.model.gameobjects.Creature;
import com.aionemu.gameserver.model.gameobjects.Npc;
import com.aionemu.gameserver.model.gameobjects.player.Player;
import com.aionemu.gameserver.model.gameobjects.player.RequestResponseHandler;
import com.aionemu.gameserver.model.templates.CubeExpandTemplate;
import com.aionemu.gameserver.network.aion.serverpackets.SM_CUBE_UPDATE;
import com.aionemu.gameserver.network.aion.serverpackets.SM_QUESTION_WINDOW;
import com.aionemu.gameserver.network.aion.serverpackets.SM_SYSTEM_MESSAGE;
import com.aionemu.gameserver.utils.PacketSendUtility;
import com.google.inject.Inject;

/**
 * @author ATracer
 * @author Simple
 */
public class CubeExpandService
{
	private static final Logger	log			= Logger.getLogger(CubeExpandService.class);

	@Inject
	CubeExpandData				cubicExpandData;

	private static final int	MIN_EXPAND	= 0;
	private static final int	MAX_EXPAND	= 9;

	/**
	 * Shows Question window and expands on positive response
	 * 
	 * @param player
	 * @param npc
	 */
	public void expandCube(final Player player, Npc npc)
	{
		final CubeExpandTemplate expandTemplate = cubicExpandData.getCubeExpandListTemplate(npc.getNpcId());

		if(expandTemplate == null)
		{
			log.error("Cube Expand Template could not be found for Npc ID: " + npc.getObjectId());
			return;
		}
		
		if(npcCanExpandLevel(expandTemplate, player.getCubeSize() + 1)
			&& validateNewSize(player.getCubeSize() + 1))
		{
			/**
			 * Check if our player can pay the cubic expand price
			 */
			final int price = getPriceByLevel(expandTemplate, player.getCubeSize() + 1);
			if(price > player.getInventory().getKinahItem().getItemCount())
			{
				PacketSendUtility.sendPacket(player, SM_SYSTEM_MESSAGE.CUBEEXPAND_NOT_ENOUGH_KINAH);
				return;
			}

			RequestResponseHandler responseHandler = new RequestResponseHandler(npc){
				@Override
				public void acceptRequest(Creature requester, Player responder)
				{
					expand(responder);
					player.getInventory().decreaseKinah(price);
				}

				@Override
				public void denyRequest(Creature requester, Player responder)
				{
					// nothing to do
				}
			};

			boolean result = player.getResponseRequester().putRequest(SM_QUESTION_WINDOW.STR_WAREHOUSE_EXPAND_WARNING,
				responseHandler);
			if(result)
			{
				PacketSendUtility.sendPacket(player, new SM_QUESTION_WINDOW(
					SM_QUESTION_WINDOW.STR_WAREHOUSE_EXPAND_WARNING, 0, String.valueOf(price)));
			}
		}
		else
			PacketSendUtility.sendPacket(player, new SM_SYSTEM_MESSAGE(1300430));
	}

	/**
	 * Expands the cubes
	 * @param player
	 */
	private void expand(Player player)
	{
		PacketSendUtility.sendPacket(player, new SM_SYSTEM_MESSAGE(1300431, "9")); // 9 Slots added
		player.setCubesize(player.getCubeSize() + 1);
		PacketSendUtility.sendPacket(player, new SM_CUBE_UPDATE(player, 0));
	}

	/**
	 * Checks if new player cube is not max
	 * 
	 * @param level
	 * @return true or false
	 */
	private boolean validateNewSize(int level)
	{
		// check min and max level
		if(level < MIN_EXPAND || level > MAX_EXPAND)
			return false;
		return true;
	}

	/**
	 * Checks if npc can expand level
	 * 
	 * @param clist
	 * @param level
	 * @return true or false
	 */
	private boolean npcCanExpandLevel(CubeExpandTemplate clist, int level)
	{
		// check if level exists in template
		if(!clist.contains(level))
			return false;
		return true;
	}

	/**
	 * The guy who created cube template should blame himself :) One day I will rewrite them
	 * 
	 * @param clist
	 * @param level
	 * @return
	 */
	private int getPriceByLevel(CubeExpandTemplate clist, int level)
	{
		return clist.get(level).getPrice();
	}
}