package com.planet_ink.coffee_mud.Abilities.Spells;
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 2005-2022 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 Spell_ManaShield extends Spell
{

	@Override
	public String ID()
	{
		return "Spell_ManaShield";
	}

	private final static String localizedName = CMLib.lang().L("Mana Shield");

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

	private final static String localizedStaticDisplay = CMLib.lang().L("(Mana Shield)");

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

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

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

	@Override
	public int classificationCode()
	{
		return Ability.ACODE_SPELL|Ability.DOMAIN_ABJURATION;
	}

	protected double protection()
	{
		return 0.5;
	}

	protected String adjective()
	{
		return " a";
	}

	@Override
	public void unInvoke()
	{
		// undo the affects of this spell
		if(!(affected instanceof MOB))
			return;
		final MOB mob=(MOB)affected;

		super.unInvoke();

		if(canBeUninvoked())
			if((mob.location()!=null)&&(!mob.amDead()))
				mob.location().show(mob,null,CMMsg.MSG_OK_VISUAL,L("The mana shield around <S-NAME> fades."));
	}

	@Override
	public boolean okMessage(final Environmental myHost, final CMMsg msg)
	{
		if(!super.okMessage(myHost,msg))
			return false;

		if(!(affected instanceof MOB))
			return true;

		final MOB mob=(MOB)affected;
		if((msg.amITarget(mob))
		   &&(msg.targetMinor()==CMMsg.TYP_DAMAGE))
		{
			int recovery=(int)Math.round(CMath.mul((msg.value()),protection()));
			if(recovery>mob.curState().getMana())
				recovery=mob.curState().getMana();
			if(recovery>0)
			{
				msg.setValue(msg.value()-recovery);
				mob.curState().adjMana(-recovery,mob.maxState());
			}
		}
		return true;
	}

	@Override
	public boolean invoke(final MOB mob, final List<String> commands, final Physical givenTarget, final boolean auto, final int asLevel)
	{
		Physical target=mob;
		if((auto)&&(givenTarget!=null))
			target=givenTarget;
		boolean oldOne=false;
		for(final Enumeration<Ability> a=target.effects();a.hasMoreElements();)
		{
			final Ability A=a.nextElement();
			if(A instanceof Spell_ManaShield)
				oldOne=true;
		}
		if(oldOne)
		{
			mob.tell(mob,target,null,L("<T-NAME> <T-IS-ARE> already affected by @x1.",name()));
			return false;
		}

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

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

		if(success)
		{
			final CMMsg msg=CMClass.getMsg(mob,target,this,verbalCastCode(mob,target,auto),auto?"":L("^S<S-NAME> invoke(s)@x1 protective shield.^?",adjective()));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				mob.location().show(mob,target,CMMsg.MSG_OK_VISUAL,L("@x1 protective aura of mana surrounds <T-NAME>.",CMStrings.capitalizeAndLower(adjective()).trim()));
				beneficialAffect(mob,target,asLevel,0);
			}
		}
		else
			return beneficialWordsFizzle(mob,target,L("<S-NAME> attempt(s) to invoke@x1 protective shield, but mess(es) up.",adjective()));

		// return whether it worked
		return success;
	}
}
