/* 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 2, 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * http://www.gnu.org/copyleft/gpl.html
 */
package com.l2dot.gameserver.model.actor.stat;

import com.l2dot.gameserver.model.actor.instance.L2PlayableInstance;
import com.l2dot.gameserver.model.base.Experience;

public class PlayableStat extends CharStat
{
    // =========================================================
    // Data Field

    // =========================================================
    // Constructor
    public PlayableStat(L2PlayableInstance activeChar)
    {
        super(activeChar);
    }

    // =========================================================
    // Method - Public
    public boolean addExp(long value)
    {
		if ((getExp() + value) < 0 || getExp() == (getExpForLevel(Experience.MAX_LEVEL) - 1))
            return true;

		if (getExp() + value >= getExpForLevel(Experience.MAX_LEVEL))
 			value = getExpForLevel(Experience.MAX_LEVEL) - 1 - getExp();

        setExp(getExp() + value);

		byte level = 0;
		for (level = 1; level <= Experience.MAX_LEVEL; level++)
        {
        	if (getExp() >= getExpForLevel(level)) continue;
        	level--;
        	break;
        }
        if (level != getLevel()) addLevel((byte)(level - getLevel()));

        return true;
    }

    public boolean removeExp(long value)
    {
        if ((getExp() - value) < 0 )
        	value = getExp()-1;

        setExp(getExp() - value);

        byte level = 0;
        for (level = 1; level <= Experience.MAX_LEVEL; level++)
        {
            if (getExp() >= getExpForLevel(level))
            	continue;
            level--;
            break;
        }
        if (level != getLevel())
        	addLevel((byte)(level - getLevel()));
        return true;
    }

    public boolean addExpAndSp(long addToExp, int addToSp)
    {
    	boolean expAdded = false;
    	boolean spAdded = false;
    	if (addToExp >= 0) expAdded = addExp(addToExp);
    	if (addToSp >= 0) spAdded = addSp(addToSp);

    	return expAdded || spAdded;
    }

    public boolean removeExpAndSp(long removeExp, int removeSp)
    {
        boolean expRemoved = false;
        boolean spRemoved = false;
        if (removeExp > 0) expRemoved = removeExp(removeExp);
        if (removeSp > 0) spRemoved = removeSp(removeSp);

        return expRemoved || spRemoved;
    }

    public boolean addLevel(byte value)
    {
		if (getLevel() + value > Experience.MAX_LEVEL - 1)
        {
			if (getLevel() < Experience.MAX_LEVEL - 1)
				value = (byte)(Experience.MAX_LEVEL - 1 - getLevel());
        	else
        		return false;
        }

        boolean levelIncreased = (getLevel() + value > getLevel());
        value += getLevel();
        setLevel(value);

        // Sync up exp with current level
        if (getExp() >= getExpForLevel(getLevel() + 1) || getExpForLevel(getLevel()) > getExp()) setExp(getExpForLevel(getLevel()));

        if (!levelIncreased) return false;

        getActiveChar().getStatus().setCurrentHp(getActiveChar().getStat().getMaxHp());
        getActiveChar().getStatus().setCurrentMp(getActiveChar().getStat().getMaxMp());

        return true;
    }

    public boolean addSp(int value)
    {
    	if (value < 0)
    	{
    		System.out.println("wrong usage");
    		return false;
    	}
    	int currentSp = getSp();
    	if (currentSp == Integer.MAX_VALUE)
    		return false;

    	if (currentSp > Integer.MAX_VALUE - value)
    		value = Integer.MAX_VALUE - currentSp;

        setSp(currentSp + value);
        return true;
    }

    public boolean removeSp(int value)
    {
    	int currentSp = getSp();
    	if (currentSp < value)
    		value = currentSp;
        setSp(getSp() - value);
        return true;
    }

    public long getExpForLevel(int level) { return level; }

    // =========================================================
    // Method - Private

    // =========================================================
    // Property - Public
    @Override
	public L2PlayableInstance getActiveChar() { return (L2PlayableInstance)super.getActiveChar(); }
}
