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.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.Locales.interfaces.*;
import com.planet_ink.coffee_mud.MOBS.interfaces.*;
import com.planet_ink.coffee_mud.Races.interfaces.*;


import java.util.*;

/* 
   Copyright 2000-2010 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.
*/
@SuppressWarnings("unchecked")
public class Spell_SongShield extends Spell
{
	public String ID() { return "Spell_SongShield"; }
	public String name(){return "Song Shield";}
	public String displayText(){return "(Song Shield)";}
	public int abstractQuality(){ return Ability.QUALITY_BENEFICIAL_OTHERS;}
	protected int canAffectCode(){return CAN_MOBS;}
	public int classificationCode(){ return Ability.ACODE_SPELL|Ability.DOMAIN_ABJURATION;}

	public void unInvoke()
	{
		// undo the affects of this spell
		if((affected==null)||(!(affected instanceof MOB)))
			return;
		MOB mob=(MOB)affected;
		if(canBeUninvoked())
			mob.tell("Your shield against songs fades.");

		super.unInvoke();

	}


    public int castingQuality(MOB mob, Environmental target)
    {
        if(mob!=null)
        {
            if(target instanceof MOB)
            {
                MOB victim=((MOB)target).getVictim();
                if((victim!=null)&&(CMLib.flags().domainAbilities(victim,Ability.ACODE_SONG).size()==0))
                    return Ability.QUALITY_INDIFFERENT;
            }
        }
        return super.castingQuality(mob,target);
    }

	public boolean okMessage(Environmental myHost, CMMsg msg)
	{
		if((affected==null)||(!(affected instanceof MOB)))
			return super.okMessage(myHost,msg);

		MOB mob=(MOB)affected;
		if((msg.amITarget(mob))
		&&(CMath.bset(msg.targetCode(),CMMsg.MASK_MALICIOUS))
		&&(msg.targetMinor()==CMMsg.TYP_CAST_SPELL)
		&&(msg.tool()!=null)
		&&(msg.tool() instanceof Ability)
		&&((((Ability)msg.tool()).classificationCode()&Ability.ALL_ACODES)==Ability.ACODE_SONG)
		&&(invoker!=null)
		&&(!mob.amDead())
		&&(CMLib.dice().rollPercentage()<35))
		{
			mob.location().show(mob,null,null,CMMsg.MSG_OK_VISUAL,"The shield around <S-NAME> blocks off "+msg.tool().name()+"!");
			return false;
		}
		return super.okMessage(myHost,msg);
	}


	public boolean invoke(MOB mob, Vector commands, Environmental givenTarget, boolean auto, int asLevel)
	{
		MOB target=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);
		if(success)
		{
			CMMsg msg=CMClass.getMsg(mob,target,this,verbalCastCode(mob,target,auto),auto?"<T-NAME> look(s) protected from songs.":"^S<S-NAME> invoke(s) an anti-song spell around <T-NAMESELF>.^?");
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				beneficialAffect(mob,target,asLevel,0);
			}
		}
		else
			beneficialWordsFizzle(mob,target,"<S-NAME> attempt(s) to invoke a shield, but fail(s).");

		return success;
	}
}
