/*
 * 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 l2.universe.gameserver.network.clientpackets;

import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

import l2.universe.Config;
import l2.universe.gameserver.datatables.EnchantGroupsTable;
import l2.universe.gameserver.datatables.SkillTable;
import l2.universe.gameserver.model.L2EnchantSkillLearn;
import l2.universe.gameserver.model.L2ItemInstance;
import l2.universe.gameserver.model.L2ShortCut;
import l2.universe.gameserver.model.L2Skill;
import l2.universe.gameserver.model.L2EnchantSkillGroup.EnchantSkillDetail;
import l2.universe.gameserver.model.actor.instance.L2PcInstance;
import l2.universe.gameserver.network.SystemMessageId;
import l2.universe.gameserver.network.serverpackets.ExBrExtraUserInfo;
import l2.universe.gameserver.network.serverpackets.ExEnchantSkillInfo;
import l2.universe.gameserver.network.serverpackets.ExEnchantSkillInfoDetail;
import l2.universe.gameserver.network.serverpackets.ExEnchantSkillResult;
import l2.universe.gameserver.network.serverpackets.ShortCutRegister;
import l2.universe.gameserver.network.serverpackets.SystemMessage;
import l2.universe.gameserver.network.serverpackets.UserInfo;
import l2.universe.util.Rnd;

/**
 * Format (ch) dd c: (id) 0xD0 h: (subid) 0x34 d: skill id d: skill lvl
 * 
 * @author -Wooden-
 * 
 */
public final class RequestExEnchantSkillRouteChange extends L2GameClientPacket
{
	protected static final Logger _log = Logger.getLogger(RequestExEnchantSkillRouteChange.class.getName());
	private static final Logger _logEnchant = Logger.getLogger("enchant");

	private int _skillId;
	private int _skillLvl;

	@Override
	protected void readImpl()
	{
		_skillId = readD();
		_skillLvl = readD();
	}

	@Override
	protected void runImpl()
	{
		if (_skillId <= 0 || _skillLvl <= 0) // minimal sanity check
			return;
	
		L2PcInstance player = getClient().getActiveChar();
		if (player == null)
			return;

        if (player.getClassId().level() < 3) // requires to have 3rd class quest completed
        {
        	player.sendPacket(SystemMessageId.YOU_CANNOT_USE_SKILL_ENCHANT_IN_THIS_CLASS);
            return;
        }
        
        if (player.getLevel() < 76)
        {
        	player.sendPacket(SystemMessageId.YOU_CANNOT_USE_SKILL_ENCHANT_ON_THIS_LEVEL);
            return;
        }
        
        if (!player.isAllowedToEnchantSkills())
        {
        	player.sendPacket(SystemMessageId.YOU_CANNOT_USE_SKILL_ENCHANT_ATTACKING_TRANSFORMED_BOAT);
        	return;
        }

		L2Skill skill = SkillTable.getInstance().getInfo(_skillId, _skillLvl);
		if (skill == null)
			return;

		L2EnchantSkillLearn s = EnchantGroupsTable.getInstance().getSkillEnchantmentBySkillId(_skillId);
		if (s == null)
			return;

		int currentLevel = player.getSkillLevel(_skillId);
		// do u have this skill enchanted?
		if (currentLevel <= 100)
			return;

		int currentEnchantLevel = currentLevel % 100;
		// is the requested level valid?
		if (currentEnchantLevel != _skillLvl % 100)
			return;

		EnchantSkillDetail esd = s.getEnchantSkillDetail(_skillLvl);
		int requiredSp = esd.getSpCost();

		if (player.getSp() >= requiredSp)
		{
			// only first lvl requires book
			L2ItemInstance spb = player.getInventory().getItemByItemId(EnchantGroupsTable.CHANGE_ENCHANT_BOOK);
			if (Config.ES_SP_BOOK_NEEDED)
			{
				if (spb == null)// Haven't spellbook
				{
					player.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.YOU_DONT_HAVE_ALL_ITENS_NEEDED_TO_CHANGE_SKILL_ENCHANT_ROUTE));
					return;
				}
			}
			
			final int requireditems = esd.getAdenaCost();
			if (player.getInventory().getAdena() < requireditems)
			{
				player.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.YOU_DONT_HAVE_ALL_OF_THE_ITEMS_NEEDED_TO_ENCHANT_THAT_SKILL));
				return;
			}

			boolean check = player.getStat().removeExpAndSp(0, requiredSp, false);
			if (Config.ES_SP_BOOK_NEEDED)
			{
				check &= player.destroyItem("Consume", spb.getObjectId(), 1, player, true);
			}

			check &= player.destroyItemByItemId("Consume", 57, requireditems, player, true);

			if (!check)
			{
				player.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.YOU_DONT_HAVE_ALL_OF_THE_ITEMS_NEEDED_TO_ENCHANT_THAT_SKILL));
				return;
			}

			int levelPenalty = Rnd.get(Math.min(4, currentEnchantLevel));
			_skillLvl -= levelPenalty;
			if (_skillLvl % 100 == 0)
			{
				_skillLvl = s.getBaseLevel();
			}

			skill = SkillTable.getInstance().getInfo(_skillId, _skillLvl);

			if (skill != null)
			{
				if (Config.LOG_SKILL_ENCHANTS)
				{
					LogRecord record = new LogRecord(Level.INFO, "Route Change");
					record.setParameters(new Object[]
					{
							player, skill, spb
					});
					record.setLoggerName("skill");
					_logEnchant.log(record);
				}

				player.addSkill(skill, true);
				player.sendPacket(ExEnchantSkillResult.valueOf(true));
			}

			if (Config.DEBUG)
			{
				_log.fine("Learned skill ID: " + _skillId + " Level: " + _skillLvl + " for " + requiredSp + " SP, " + requireditems + " Adena.");
			}

			player.sendPacket(new UserInfo(player));
			player.sendPacket(new ExBrExtraUserInfo(player));

			if (levelPenalty == 0)
			{
				SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.SKILL_ENCHANT_CHANGE_SUCCESSFUL_S1_LEVEL_WILL_REMAIN);
				sm.addSkillName(_skillId);
				player.sendPacket(sm);
				sm = null;
			}
			else
			{
				SystemMessage sm = SystemMessage.getSystemMessage(SystemMessageId.SKILL_ENCHANT_CHANGE_SUCCESSFUL_S1_LEVEL_WAS_DECREASED_BY_S2);
				sm.addSkillName(_skillId);
				sm.addNumber(levelPenalty);
				player.sendPacket(sm);
				sm = null;
			}
			player.sendSkillList();
			player.sendPacket(new ExEnchantSkillInfo(_skillId, player.getSkillLevel(_skillId)));
			player.sendPacket(new ExEnchantSkillInfoDetail(3, _skillId, player.getSkillLevel(_skillId), player));

			this.updateSkillShortcuts(player);

		}
		else
		{
			player.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.YOU_DONT_HAVE_ENOUGH_SP_TO_ENCHANT_THAT_SKILL));
		}
	}

	private void updateSkillShortcuts(L2PcInstance player)
	{
		// update all the shortcuts to this skill
		L2ShortCut[] allShortCuts = player.getAllShortCuts();
		for (L2ShortCut sc : allShortCuts)
		{
			if (sc.getId() == _skillId && sc.getType() == L2ShortCut.TYPE_SKILL)
			{
				L2ShortCut newsc = new L2ShortCut(sc.getSlot(), sc.getPage(), sc.getType(), sc.getId(), player.getSkillLevel(_skillId), 1);
				player.sendPacket(new ShortCutRegister(newsc));
				player.registerShortCut(newsc);
			}
		}
	}

	@Override
	public String getType()
	{
		return "[C] D0:34 RequestExEnchantSkillRouteChange";
	}
}
