/*
 * 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 com.l2jserver.gameserver.model;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.Map;
import java.util.TreeMap;
import java.util.logging.Level;
import java.util.logging.Logger;

import com.l2jserver.L2DatabaseFactory;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.network.serverpackets.ExAutoSoulShot;
import com.l2jserver.gameserver.network.serverpackets.ShortCutInit;
import com.l2jserver.gameserver.templates.item.L2EtcItemType;


/**
 * This class ...
 *
 * @version $Revision: 1.1.2.1.2.3 $ $Date: 2005/03/27 15:29:33 $
 */
public class ShortCuts
{
    private static Logger _log = Logger.getLogger(ShortCuts.class.getName());

    private L2PcInstance _owner;
    private Map<Integer, L2ShortCut> _shortCuts = new TreeMap<Integer, L2ShortCut>();

    public ShortCuts(L2PcInstance owner)
    {
        _owner = owner;
    }

    public L2ShortCut[] getAllShortCuts()
    {
        return _shortCuts.values().toArray(new L2ShortCut[_shortCuts.values().size()]);
    }

    public L2ShortCut getShortCut(int slot, int page)
    {
		L2ShortCut sc = _shortCuts.get(slot + page * 12);

		// verify shortcut
		if (sc != null && sc.getType() == L2ShortCut.TYPE_ITEM)
        {
			if (_owner.getInventory().getItemByObjectId(sc.getId()) == null)
            {
				deleteShortCut(sc.getSlot(), sc.getPage());
				sc = null;
			}
		}

		return sc;
    }

    public synchronized void registerShortCut(L2ShortCut shortcut)
    {
		// verify shortcut
		if (shortcut.getType() == L2ShortCut.TYPE_ITEM)
        {
			L2ItemInstance item = _owner.getInventory().getItemByObjectId(shortcut.getId());
			if (item == null)
				return;
			if (item.isEtcItem())
				shortcut.setSharedReuseGroup(item.getEtcItem().getSharedReuseGroup());
		}
        L2ShortCut oldShortCut = _shortCuts.put(shortcut.getSlot() + 12 * shortcut.getPage(), shortcut);
        registerShortCutInDb(shortcut, oldShortCut);
    }

    private void registerShortCutInDb(L2ShortCut shortcut, L2ShortCut oldShortCut)
    {
        if (oldShortCut != null)
            deleteShortCutFromDb(oldShortCut);

        Connection con = null;

        try
        {
            con = L2DatabaseFactory.getInstance().getConnection();

            PreparedStatement statement = con.prepareStatement("REPLACE INTO character_shortcuts (charId,slot,page,type,shortcut_id,level,class_index) values(?,?,?,?,?,?,?)");
            statement.setInt(1, _owner.getObjectId());
            statement.setInt(2, shortcut.getSlot());
            statement.setInt(3, shortcut.getPage());
            statement.setInt(4, shortcut.getType());
            statement.setInt(5, shortcut.getId());
            statement.setInt(6, shortcut.getLevel());
            statement.setInt(7, _owner.getClassIndex());
            statement.execute();
            statement.close();
        }
        catch (Exception e)
        {
			_log.log(Level.WARNING, "Could not store character shortcut: " + e.getMessage(), e);
        }
        finally
        {
            L2DatabaseFactory.close(con);
        }
    }

    /**
     * @param slot
     */
    public synchronized void deleteShortCut(int slot, int page)
    {
        L2ShortCut old = _shortCuts.remove(slot+page*12);

		if (old == null || _owner == null)
			return;
		deleteShortCutFromDb(old);
		if (old.getType() == L2ShortCut.TYPE_ITEM)
		{
			L2ItemInstance item = _owner.getInventory().getItemByObjectId(old.getId());

	        if ((item != null) && (item.getItemType() == L2EtcItemType.SHOT))
	        {
	        	_owner.removeAutoSoulShot(item.getItemId());
	            _owner.sendPacket(new ExAutoSoulShot(item.getItemId(), 0));
	        }
		}

        _owner.sendPacket(new ShortCutInit(_owner));

        for (int shotId : _owner.getAutoSoulShot())
            _owner.sendPacket(new ExAutoSoulShot(shotId, 1));
    }

    public synchronized void deleteShortCutByObjectId(int objectId)
    {
        L2ShortCut toRemove = null;

        for (L2ShortCut shortcut : _shortCuts.values())
        {
            if (shortcut.getType() == L2ShortCut.TYPE_ITEM && shortcut.getId() == objectId)
            {
                toRemove = shortcut;
                break;
            }
        }

        if (toRemove != null)
            deleteShortCut(toRemove.getSlot(), toRemove.getPage());
    }

    /**
     * @param shortcut
     */
    private void deleteShortCutFromDb(L2ShortCut shortcut)
    {
        Connection con = null;

        try
        {
            con = L2DatabaseFactory.getInstance().getConnection();

            PreparedStatement statement = con.prepareStatement("DELETE FROM character_shortcuts WHERE charId=? AND slot=? AND page=? AND class_index=?");
            statement.setInt(1, _owner.getObjectId());
            statement.setInt(2, shortcut.getSlot());
            statement.setInt(3, shortcut.getPage());
            statement.setInt(4, _owner.getClassIndex());
            statement.execute();
            statement.close();
        }
        catch (Exception e)
        {
			_log.log(Level.WARNING, "Could not delete character shortcut: " + e.getMessage(), e);
        }
        finally
        {
            L2DatabaseFactory.close(con);
        }
    }

    public void restore()
    {
        _shortCuts.clear();
        Connection con = null;

        try
        {
            con = L2DatabaseFactory.getInstance().getConnection();
            PreparedStatement statement = con.prepareStatement("SELECT charId, slot, page, type, shortcut_id, level FROM character_shortcuts WHERE charId=? AND class_index=?");
            statement.setInt(1, _owner.getObjectId());
            statement.setInt(2, _owner.getClassIndex());

            ResultSet rset = statement.executeQuery();

            while (rset.next())
            {
                int slot = rset.getInt("slot");
                int page = rset.getInt("page");
                int type = rset.getInt("type");
                int id = rset.getInt("shortcut_id");
                int level = rset.getInt("level");

                L2ShortCut sc = new L2ShortCut(slot, page, type, id, level, 1);
                _shortCuts.put(slot+page*12, sc);
            }

            rset.close();
            statement.close();
        }
        catch (Exception e)
        {
			_log.log(Level.WARNING, "Could not restore character shortcuts: " + e.getMessage(), e);
        }
        finally
        {
            L2DatabaseFactory.close(con);
        }

		// verify shortcuts
		for (L2ShortCut sc : getAllShortCuts())
        {
			if (sc.getType() == L2ShortCut.TYPE_ITEM)
            {
				L2ItemInstance item = _owner.getInventory().getItemByObjectId(sc.getId());
				if (item == null)
					deleteShortCut(sc.getSlot(), sc.getPage());
				else if (item.isEtcItem())
					sc.setSharedReuseGroup(item.getEtcItem().getSharedReuseGroup());
            }
		}
    }
}