package com.planet_ink.coffee_mud.Abilities.Prayers;
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.Locales.interfaces.*;
import com.planet_ink.coffee_mud.MOBS.interfaces.*;
import com.planet_ink.coffee_mud.Races.interfaces.*;


import java.util.*;

/* 
   Copyright 2000-2011 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 Prayer_LinkedHealth extends Prayer
{
	public String ID() { return "Prayer_LinkedHealth"; }
	public String name(){ return "Linked Health";}
	public String displayText(){ return "(Linked Health)";}
	protected int canAffectCode(){return Ability.CAN_MOBS;}
	protected int canTargetCode(){return Ability.CAN_MOBS;}
	public int abstractQuality(){ return Ability.QUALITY_OK_OTHERS;}
	public int classificationCode(){return Ability.ACODE_PRAYER|Ability.DOMAIN_HEALING;}
	public long flags(){return Ability.FLAG_HOLY|Ability.FLAG_UNHOLY;}
	MOB buddy=null;


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

		super.unInvoke();

		if(canBeUninvoked())
		{
			if(buddy!=null)
			{
				mob.tell("Your health is no longer linked with "+buddy.name()+".");
				Ability A=buddy.fetchEffect(ID());
				if(A!=null) A.unInvoke();
			}
		}
	}

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

		if((affected==null)||(!(affected instanceof MOB)))
			return true;
		MOB mob=(MOB)affected;
		if((msg.amITarget(mob))
		&&(msg.targetMinor()==CMMsg.TYP_DAMAGE))
		{
			if((msg.tool()==null)||(!msg.tool().ID().equals(ID())))
			{
				int recovery=(int)Math.round(CMath.div((msg.value()),2.0));
				msg.setValue(recovery);
				CMLib.combat().postDamage(msg.source(),buddy,this,recovery,CMMsg.MASK_ALWAYS|CMMsg.TYP_JUSTICE,Weapon.TYPE_BURSTING,"<T-NAME> absorb(s) damage from the harm to "+msg.target().name()+".");
			}
		}
		return true;
	}
	public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel)
	{
		MOB target=this.getTarget(mob,commands,givenTarget);
		if(target==null) return false;
		if(mob.fetchEffect(ID())!=null)
		{
			mob.tell("Your health is already linked with someones!");
			return false;
		}
		if(target.fetchEffect(ID())!=null)
		{
			mob.tell(target.name()+"'s health is already linked with someones!");
			return false;
		}

		if(!mob.getGroupMembers(new HashSet<MOB>()).contains(target))
		{
			mob.tell(target.name()+" is not in your group.");
			return false;
		}

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

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

		if(success)
		{
			// it worked, so build a copy of this ability,
			// and add it to the affects list of the
			// affected MOB.  Then tell everyone else
			// what happened.
			CMMsg msg=CMClass.getMsg(mob,target,this,verbalCastCode(mob,target,auto),auto?"":"^S<S-NAME> "+prayWord(mob)+" that <S-HIS-HER> health be linked with <T-NAME>.^?");
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				mob.location().show(mob,target,CMMsg.MSG_OK_VISUAL,"<S-NAME> and <T-NAME> are linked in health.");
				buddy=mob;
				beneficialAffect(mob,target,asLevel,0);
				buddy=target;
				beneficialAffect(mob,mob,asLevel,0);
			}
		}
		else
			return beneficialWordsFizzle(mob,target,"<S-NAME> "+prayWord(mob)+" for a link with <T-NAME>, but <S-HIS-HER> plea is not answered.");


		// return whether it worked
		return success;
	}
}
