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.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 2000-2006 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 Prayer_CallUndead extends Prayer
{
    public String ID() { return "Prayer_CallUndead"; }
    public String name(){return "Call Undead";}
    protected int canTargetCode(){return 0;}
    public int abstractQuality(){ return Ability.QUALITY_INDIFFERENT;}
    public long flags(){return Ability.FLAG_UNHOLY|Ability.FLAG_TRANSPORTING|Ability.FLAG_SUMMONING;}

    public boolean invoke(MOB mob, Vector commands, Environmental givenTarget, boolean auto, int asLevel)
    {
        Room oldRoom=null;
        MOB target=null;
        HashSet H=mob.getGroupMembers(new HashSet());
        if((H.size()==0)||((H.size()==1)&&(H.contains(mob))))
        {
            mob.tell("You don't have any controlled undead!");
            return false;
        }

        boolean allHere=true;
        for(Iterator i=H.iterator();i.hasNext();)
        {
            MOB M=(MOB)i.next();
            if((M!=mob)&&(M.location()!=mob.location())&&(M.location()!=null))
            { 
                allHere=false;
                if((CMLib.flags().canAccess(mob,M.location()))
                &&(M.fetchEffect("Skill_Track")==null))
                {
                    target=M;
                    oldRoom=M.location(); 
                    break;
                }
            }
        }
        if((target==null)&&(allHere))
        {
            mob.tell("Better look around first.");
            return false;
        }

        if(target==null)
        {
            mob.tell("Either they are all en route, or you can not fixate on your undead.");
            return false;
        }

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

        int adjustment=(target.envStats().level()-mob.envStats().level())*3;
        boolean success=proficiencyCheck(mob,-adjustment,auto);
        
        if(success)
        {
            CMMsg msg=CMClass.getMsg(mob,target,this,verbalCastCode(mob,target,auto),auto?"":"^S<S-NAME> call(s) <S-HIS-HER> undead to come to <S-HIM-HER>!^?");
            if((mob.location().okMessage(mob,msg))&&(oldRoom.okMessage(mob,msg)))
            {
                mob.location().send(mob,msg);
                oldRoom.sendOthers(mob,msg);
                MOB follower=target;
                Room newRoom=mob.location();
                Ability A=CMClass.getAbility("Skill_Track");
                if(A!=null)
                {
                    A.invoke(follower,CMParms.parse("\""+CMLib.map().getExtendedRoomID(newRoom)+"\""),newRoom,true,0);
                    return true;
                }
            }
        }
        else
            beneficialWordsFizzle(mob,null,"<S-NAME> attempt(s) to call <S-HIS-HER> undead, but fail(s).");

        // return whether it worked
        return success;
    }
}