package com.planet_ink.coffee_mud.Abilities.Misc;
import com.planet_ink.coffee_mud.Abilities.StdAbility;
import com.planet_ink.coffee_mud.core.interfaces.*;
import com.planet_ink.coffee_mud.core.*;
import com.planet_ink.coffee_mud.core.collections.*;
import com.planet_ink.coffee_mud.Abilities.interfaces.*;
import com.planet_ink.coffee_mud.Areas.interfaces.*;
import com.planet_ink.coffee_mud.Behaviors.interfaces.*;
import com.planet_ink.coffee_mud.CharClasses.interfaces.*;
import com.planet_ink.coffee_mud.Commands.interfaces.*;
import com.planet_ink.coffee_mud.Common.interfaces.*;
import com.planet_ink.coffee_mud.Exits.interfaces.*;
import com.planet_ink.coffee_mud.Items.interfaces.*;
import com.planet_ink.coffee_mud.Libraries.interfaces.*;
import com.planet_ink.coffee_mud.Locales.interfaces.*;
import com.planet_ink.coffee_mud.MOBS.interfaces.*;
import com.planet_ink.coffee_mud.Races.interfaces.*;

import java.util.*;

/*
   Copyright 2003-2020 Bo Zimmerman

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

	   http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
public class Undead_EnergyDrain extends StdAbility
{
	@Override
	public String ID()
	{
		return "Undead_EnergyDrain";
	}

	private final static String	localizedName	= CMLib.lang().L("Energy Drain");

	@Override
	public String name()
	{
		return localizedName;
	}

	private final static String	localizedStaticDisplay	= CMLib.lang().L("(Drained of Energy)");

	@Override
	public String displayText()
	{
		return localizedStaticDisplay;
	}

	@Override
	protected int canAffectCode()
	{
		return CAN_MOBS;
	}

	@Override
	protected int canTargetCode()
	{
		return CAN_MOBS;
	}

	@Override
	public int abstractQuality()
	{
		return Ability.QUALITY_MALICIOUS;
	}

	@Override
	public boolean putInCommandlist()
	{
		return false;
	}

	private static final String[]	triggerStrings	= I(new String[] { "DRAINENERGY" });

	@Override
	public String[] triggerStrings()
	{
		return triggerStrings;
	}

	@Override
	public int classificationCode()
	{
		return Ability.ACODE_SKILL  |Ability.DOMAIN_DEATHLORE;
	}

	public int	levelsDown	= 1;
	public int	direction	= 1;

	@Override
	public void affectPhyStats(final Physical affected, final PhyStats affectableStats)
	{
		super.affectPhyStats(affected,affectableStats);
		if(affected==null)
			return;
		if((levelsDown<0)||(affectableStats.level()<=0))
			return;
		final int attacklevel=affectableStats.attackAdjustment()/affectableStats.level();
		affectableStats.setLevel(affectableStats.level()-(levelsDown*direction));
		if(affectableStats.level()<=0)
		{
			levelsDown=-1;
			CMLib.combat().postDeath(invoker(),(MOB)affected,null);
		}
		affectableStats.setAttackAdjustment(affectableStats.attackAdjustment()-(attacklevel*(levelsDown*direction)));
	}

	@Override
	public void affectCharState(final MOB affected, final CharState affectableState)
	{
		super.affectCharState(affected,affectableState);
		if(affected==null)
			return;
		final int hplevel=affectableState.getHitPoints()/affected.basePhyStats().level();
		affectableState.setHitPoints(affectableState.getHitPoints()-(hplevel*(levelsDown*direction)));
		final int manalevel=affectableState.getMana()/affected.basePhyStats().level();
		affectableState.setMana(affectableState.getMana()-(manalevel*(levelsDown*direction)));
		final int movelevel=affectableState.getMovement()/affected.basePhyStats().level();
		affectableState.setMovement(affectableState.getMovement()-(movelevel*(levelsDown*direction)));
	}

	@Override
	public void affectCharStats(final MOB affected, final CharStats affectableStats)
	{
		super.affectCharStats(affected,affectableStats);
		if(affected==null)
			return;
		int newLevel=(direction*levelsDown);
		if(newLevel<0)
			newLevel=0;
		else
		{
			for(final CharClass C : affectableStats.getCharClasses())
			{
				final int classLevel = affectableStats.getClassLevel(C);
				if(classLevel > newLevel)
				{
					affectableStats.setClassLevel(C, classLevel-newLevel);
					break;
				}
				else
				if(classLevel > 0)
				{
					affectableStats.setClassLevel(C, 0);
					newLevel -= classLevel;
				}
			}
		}
	}

	@Override
	public void unInvoke()
	{
		if(!(affected instanceof MOB))
			return;
		final MOB mob=(MOB)affected;

		super.unInvoke();
		if(canBeUninvoked())
			mob.tell(L("The energy drain is lifted."));
	}

	@Override
	public boolean invoke(final MOB mob, final List<String> commands, final Physical givenTarget, final boolean auto, final int asLevel)
	{
		MOB target=null;
		Ability reAffect=null;
		if(mob.isInCombat())
		{
			if(mob.rangeToTarget()>0)
			{
				mob.tell(L("You are too far away to touch!"));
				return false;
			}
			final MOB victim=mob.getVictim();
				reAffect=victim.fetchEffect("Undead_WeakEnergyDrain");
			if(reAffect==null)
				reAffect=victim.fetchEffect("Undead_EnergyDrain");
			if(reAffect!=null)
				target=victim;
		}
		if(target==null)
			target=this.getTarget(mob,commands,givenTarget);
		if(target==null)
			return false;

		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
			return false;

		boolean success=proficiencyCheck(mob,0,auto);

		String str=null;
		if(success)
		{
			str=auto?"":L("^S<S-NAME> extend(s) an energy draining hand to <T-NAMESELF>!^?");
			final CMMsg msg=CMClass.getMsg(mob,target,this,CMMsg.MSK_MALICIOUS_MOVE|CMMsg.TYP_UNDEAD|(auto?CMMsg.MASK_ALWAYS:0),str);
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				if(msg.value()<=0)
				{
					mob.location().show(target,null,CMMsg.MSG_OK_VISUAL,L("<S-NAME> <S-IS-ARE> drained!"));
					if(reAffect!=null)
					{
						if(reAffect instanceof Undead_EnergyDrain)
							((Undead_EnergyDrain)reAffect).levelsDown++;
						((StdAbility)reAffect).setTickDownRemaining(((StdAbility)reAffect).getTickDownRemaining()+mob.phyStats().level());
						mob.recoverPhyStats();
						mob.recoverCharStats();
						mob.recoverMaxState();
					}
					else
					{
						direction=1;
						if(target.charStats().getMyRace().racialCategory().equalsIgnoreCase("Undead"))
							direction=-1;
						success=maliciousAffect(mob,target,asLevel,0,-1)!=null;

					}
				}
			}
		}
		else
			return maliciousFizzle(mob,target,L("<S-NAME> attempt(s) to drain <T-NAMESELF>, but fail(s)."));

		return success;
	}
}
