/*
 * 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.network.clientpackets;

import java.util.logging.Logger;

import net.sf.l2j.Config;
import net.sf.l2j.gameserver.datatables.SkillSpellbookTable;
import net.sf.l2j.gameserver.datatables.SkillTable;
import net.sf.l2j.gameserver.datatables.SkillTreeTable;
import net.sf.l2j.gameserver.model.L2ItemInstance;
import net.sf.l2j.gameserver.model.L2PledgeSkillLearn;
import net.sf.l2j.gameserver.model.L2ShortCut;
import net.sf.l2j.gameserver.model.L2Skill;
import net.sf.l2j.gameserver.model.L2SkillLearn;
import net.sf.l2j.gameserver.model.actor.instance.L2FishermanInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2FolkInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2NpcInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.model.actor.instance.L2VillageMasterInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.ExStorageMaxCount;
import net.sf.l2j.gameserver.network.serverpackets.PledgeSkillList;
import net.sf.l2j.gameserver.network.serverpackets.ShortCutRegister;
import net.sf.l2j.gameserver.network.serverpackets.StatusUpdate;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;
import net.sf.l2j.gameserver.util.Util;

/**
 * This class ...
 *
 * @version $Revision: 1.7.2.1.2.4 $ $Date: 2005/03/27 15:29:30 $
 */
public class RequestAquireSkill extends L2GameClientPacket
{
	private static final String _C__6C_REQUESTAQUIRESKILL = "[C] 6C RequestAquireSkill";
	private static Logger _log = Logger.getLogger(RequestAquireSkill.class.getName());
	private int _id;
	private int _level;
	private int _skillType;

	@Override
	protected void readImpl()
	{
		_id = readD();
		_level = readD();
		_skillType = readD();
	}

	@Override
	protected void runImpl()
	{
		L2PcInstance player = getClient().getActiveChar();
		if (player == null)
		{
			return;
		}
		L2FolkInstance trainer = player.getLastFolkNPC();
		if (trainer == null)
		{
			return;
		}
		int npcid = trainer.getNpcId();
		if (!player.isInsideRadius(trainer, L2NpcInstance.INTERACTION_DISTANCE, false, false) && !player.isGM())
		{
			return;
		}
		if (!Config.ALT_GAME_SKILL_LEARN)
		{
			player.setSkillLearningClassId(player.getClassId());
		}
		if (player.getSkillLevel(_id) >= _level)
		{
			// already knows the skill with this level
			return;
		}
		L2Skill skill = SkillTable.getInstance().getInfo(_id, _level);
		int counts = 0;
		int _requiredSp = 10000000;
		if (_skillType == 0)
		{
			L2SkillLearn[] skills = SkillTreeTable.getInstance().getAvailableSkills(player, player.getSkillLearningClassId());
			for (L2SkillLearn s : skills)
			{
				L2Skill sk = SkillTable.getInstance().getInfo(s.getId(), s.getLevel());
				if (sk == null || sk != skill || !sk.getCanLearn(player.getSkillLearningClassId()) || !sk.canTeachBy(npcid))
				{
					continue;
				}
				counts++;
				_requiredSp = SkillTreeTable.getInstance().getSkillCost(player, skill);
			}
			if (counts == 0 && !Config.ALT_GAME_SKILL_LEARN)
			{
				player.sendMessage("You are trying to learn skill that u can't..");
				Util.handleIllegalPlayerAction(player, "Player " + player.getName() + " tried to learn skill that he can't!!!", Config.DEFAULT_PUNISH);
				player.closeNetConnection(); // kick
				return;
			}
			if (player.getSp() >= _requiredSp)
			{
				if (Config.ES_SP_BOOK_NEEDED)
				{
					int spbId = -1;
					if (skill.getId() == L2Skill.SKILL_DIVINE_INSPIRATION)
						spbId = SkillSpellbookTable.getInstance().getBookForSkill(skill, _level);
					else
						spbId = SkillSpellbookTable.getInstance().getBookForSkill(skill);

                    if (skill.getId() == L2Skill.SKILL_DIVINE_INSPIRATION || skill.getLevel() == 1 && spbId > -1)
                    {
						L2ItemInstance spb = player.getInventory().getItemByItemId(spbId);
						if (spb == null)
						{
							// Haven't spellbook
							player.sendPacket(new SystemMessage(SystemMessageId.ITEM_MISSING_TO_LEARN_SKILL));
							return;
						}
						// ok
						player.destroyItem("Consume", spb.getObjectId(), 1, trainer, true);
					}
				}
			}
			else
			{
				SystemMessage sm = new SystemMessage(SystemMessageId.NOT_ENOUGH_SP_TO_LEARN_SKILL);
				player.sendPacket(sm);
				sm = null;
				return;
			}
		}
		else if (_skillType == 1)
		{
			int costid = 0;
			int costcount = 0;
			// Skill Learn bug Fix
			L2SkillLearn[] skillsc = SkillTreeTable.getInstance().getAvailableSkills(player);
			for (L2SkillLearn s : skillsc)
			{
				L2Skill sk = SkillTable.getInstance().getInfo(s.getId(), s.getLevel());
				if (sk == null || sk != skill)
				{
					continue;
				}
				counts++;
				costid = s.getIdCost();
				costcount = s.getCostCount();
				_requiredSp = s.getSpCost();
			}
			if (counts == 0)
			{
				player.sendMessage("You are trying to learn skill that u can't..");
				Util.handleIllegalPlayerAction(player, "Player " + player.getName() + " tried to learn skill that he can't!!!", Config.DEFAULT_PUNISH);
				player.closeNetConnection(); // kick
				return;
			}
			if (player.getSp() >= _requiredSp)
			{
				if (!player.destroyItemByItemId("Consume", costid, costcount, trainer, false))
				{
					// Haven't spellbook
					player.sendPacket(new SystemMessage(SystemMessageId.ITEM_MISSING_TO_LEARN_SKILL));
					return;
				}
				SystemMessage sm = new SystemMessage(SystemMessageId.DISSAPEARED_ITEM);
				sm.addNumber(costcount);
				sm.addItemName(costid);
				sendPacket(sm);
				sm = null;
			}
			else
			{
				SystemMessage sm = new SystemMessage(SystemMessageId.NOT_ENOUGH_SP_TO_LEARN_SKILL);
				player.sendPacket(sm);
				sm = null;
				return;
			}
		}
		else if (_skillType == 2) // pledgeskills TODO: Find appropriate
		// system messages.
		{
			if (!player.isClanLeader())
			{
				// TODO: Find and add system msg
				player.sendMessage("This feature is available only for the clan leader");
				return;
			}
			int itemId = 0;
			int repCost = 100000000;
			// Skill Learn bug Fix
			L2PledgeSkillLearn[] skills = SkillTreeTable.getInstance().getAvailablePledgeSkills(player);
			for (L2PledgeSkillLearn s : skills)
			{
				L2Skill sk = SkillTable.getInstance().getInfo(s.getId(), s.getLevel());
				if (sk == null || sk != skill)
				{
					continue;
				}
				counts++;
				itemId = s.getItemId();
				repCost = s.getRepCost();
			}
			if (counts == 0)
			{
				player.sendMessage("You are trying to learn skill that u can't..");
				Util.handleIllegalPlayerAction(player, "Player " + player.getName() + " tried to learn skill that he can't!!!", Config.DEFAULT_PUNISH);
				player.closeNetConnection(); // kick
				return;
			}
			if (player.getClan().getReputationScore() >= repCost)
			{
				if (Config.LIFE_CRYSTAL_NEEDED)
				{
					if (!player.destroyItemByItemId("Consume", itemId, 1, trainer, false))
					{
						// Haven't spellbook
						player.sendPacket(new SystemMessage(SystemMessageId.ITEM_MISSING_TO_LEARN_SKILL));
						return;
					}
					SystemMessage sm = new SystemMessage(SystemMessageId.DISSAPEARED_ITEM);
					sm.addItemName(itemId);
					sm.addNumber(1);
					sendPacket(sm);
					sm = null;
				}
			}
			else
			{
				SystemMessage sm = new SystemMessage(SystemMessageId.ACQUIRE_SKILL_FAILED_BAD_CLAN_REP_SCORE);
				player.sendPacket(sm);
				// sm = null;
				return;
			}
			player.getClan().setReputationScore(player.getClan().getReputationScore() - repCost, true);
			player.getClan().addNewSkill(skill);
			if (Config.DEBUG)
			{
				_log.fine("Learned pledge skill " + _id + " for " + _requiredSp + " SP.");
			}
			SystemMessage cr = new SystemMessage(SystemMessageId.S1_DEDUCTED_FROM_CLAN_REP);
			cr.addNumber(repCost);
			player.sendPacket(cr);
			SystemMessage sm = new SystemMessage(SystemMessageId.CLAN_SKILL_S1_ADDED);
			sm.addSkillName(_id);
			player.sendPacket(sm);
			sm = null;
			player.getClan().broadcastToOnlineMembers(new PledgeSkillList(player.getClan()));
			for (L2PcInstance member : player.getClan().getOnlineMembers(""))
			{
				member.sendSkillList();
			}
			((L2VillageMasterInstance) trainer).showPledgeSkillList(player); // Maybe we should add a check here...
			return;
		}
		else
		{
			_log.warning("Recived Wrong Packet Data in Aquired Skill - unk1:" + _skillType);
			return;
		}
		player.addSkill(skill, true);
		if (Config.DEBUG)
		{
			_log.fine("Learned skill " + _id + " for " + _requiredSp + " SP.");
		}
		player.setSp(player.getSp() - _requiredSp);
		StatusUpdate su = new StatusUpdate(player.getObjectId());
		su.addAttribute(StatusUpdate.SP, player.getSp());
		player.sendPacket(su);
		SystemMessage sp = new SystemMessage(SystemMessageId.SP_DECREASED_S1);
		sp.addNumber(_requiredSp);
		sendPacket(sp);
		SystemMessage sm = new SystemMessage(SystemMessageId.LEARNED_SKILL_S1);
		sm.addSkillName(_id);
		player.sendPacket(sm);
		sm = null;
		// update all the shortcuts to this skill
		if (_level > 1)
		{
			L2ShortCut[] allShortCuts = player.getAllShortCuts();
			for (L2ShortCut sc : allShortCuts)
			{
				if (sc.getId() == _id && sc.getType() == L2ShortCut.TYPE_SKILL)
				{
					L2ShortCut newsc = new L2ShortCut(sc.getSlot(), sc.getPage(), sc.getType(), sc.getId(), _level, 1);
					player.sendPacket(new ShortCutRegister(newsc));
					player.registerShortCut(newsc);
				}
			}
		}
		if (trainer instanceof L2FishermanInstance)
		{
			((L2FishermanInstance) trainer).showSkillList(player);
		}
		else
		{
			trainer.showSkillList(player, player.getSkillLearningClassId());
		}
		if (_id >= 1368 && _id <= 1372) // if skill is expand sendpacket :)
		{
			ExStorageMaxCount esmc = new ExStorageMaxCount(player);
			player.sendPacket(esmc);
		}
	}

	/*
	 * (non-Javadoc)
	 * @see net.sf.l2j.gameserver.network.clientpackets.ClientBasePacket#getType()
	 */
	@Override
	public String getType()
	{
		return _C__6C_REQUESTAQUIRESKILL;
	}
}
