package com.planet_ink.coffee_mud.Abilities.Druid;
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.TrackingLibrary;
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 Chant_LocateAnimals extends Chant
{
	public String ID() { return "Chant_LocateAnimals"; }
	public String name(){ return "Locate Animals";}
    public int classificationCode(){return Ability.ACODE_CHANT|Ability.DOMAIN_ANIMALAFFINITY;}
	protected String displayText="(Locating Animals)";
    public int abstractQuality(){return Ability.QUALITY_OK_SELF;}
	public String displayText(){return displayText;}

	protected List<Room> theTrail=null;
	public int nextDirection=-2;
	public long flags(){return Ability.FLAG_TRACKING;}

	public boolean tick(Tickable ticking, int tickID)
	{
		if(!super.tick(ticking,tickID))
			return false;
		if(tickID==Tickable.TICKID_MOB)
		{
			if(nextDirection==-999)
				return true;

			if((theTrail==null)
			||(affected == null)
			||(!(affected instanceof MOB)))
				return false;

			MOB mob=(MOB)affected;

			if(nextDirection==999)
			{
				mob.tell("The trail seems to pause here.");
				nextDirection=-2;
				unInvoke();
			}
			else
			if(nextDirection==-1)
			{
				mob.tell("The trail dries up here.");
				nextDirection=-999;
				unInvoke();
			}
			else
			if(nextDirection>=0)
			{
				mob.tell("The trail seems to continue "+Directions.getDirectionName(nextDirection)+".");
				nextDirection=-2;
			}

		}
		return true;
	}

	public void executeMsg(final Environmental myHost, final CMMsg msg)
	{
		super.executeMsg(myHost,msg);

		if((affected==null)||(!(affected instanceof MOB)))
			return;

		MOB mob=(MOB)affected;
		if((msg.amISource(mob))
		&&(msg.amITarget(mob.location()))
		&&(CMLib.flags().canBeSeenBy(mob.location(),mob))
		&&(msg.targetMinor()==CMMsg.TYP_LOOK))
			nextDirection=CMLib.tracking().trackNextDirectionFromHere(theTrail,mob.location(),false);
	}

	public MOB animalHere(Room room)
	{
		if(room==null) return null;
		for(int i=0;i<room.numInhabitants();i++)
		{
			MOB mob=room.fetchInhabitant(i);
			if(CMLib.flags().isAnimalIntelligence(mob))
				return mob;
		}
		return null;
	}

	public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel)
	{
		if(mob.fetchEffect(this.ID())!=null)
		{
			mob.tell("You are already trying to locate animals.");
			return false;
		}
		List<Ability> V=CMLib.flags().flaggedAffects(mob,Ability.FLAG_TRACKING);
		for(Ability A : V) A.unInvoke();

		theTrail=null;
		nextDirection=-2;

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

		if(animalHere(mob.location())!=null)
		{
			mob.tell("Try 'look'.");
			return false;
		}

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

		Vector rooms=new Vector();
		TrackingLibrary.TrackingFlags flags=new TrackingLibrary.TrackingFlags();
		List<Room> checkSet=CMLib.tracking().getRadiantRooms(mob.location(),flags,20);
		for(Iterator<Room> r=checkSet.iterator();r.hasNext();)
		{
			Room R=CMLib.map().getRoom(r.next());
			if(animalHere(R)!=null)
				rooms.addElement(R);
		}

		while(rooms.size()>10)
		    rooms.removeElementAt(CMLib.dice().roll(1,rooms.size(),-1));

		if(rooms.size()>0)
			theTrail=CMLib.tracking().findBastardTheBestWay(mob.location(),rooms,flags,50);

		MOB target=null;
		if((theTrail!=null)&&(theTrail.size()>0))
			target=animalHere((Room)theTrail.get(0));

		if((success)&&(theTrail!=null)&&(target!=null))
		{
			theTrail.add(mob.location());
			// 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),"^S<S-NAME> chant(s) for the animals.^?");
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				invoker=mob;
				displayText="(seeking "+target.name()+")";
				Chant_LocateAnimals newOne=(Chant_LocateAnimals)this.copyOf();
				if(mob.fetchEffect(newOne.ID())==null)
					mob.addEffect(newOne);
				mob.recoverPhyStats();
				newOne.nextDirection=CMLib.tracking().trackNextDirectionFromHere(newOne.theTrail,mob.location(),false);
			}
		}
		else
			return beneficialVisualFizzle(mob,null,"<S-NAME> chant(s) for the animals, but nothing happens.");


		// return whether it worked
		return success;
	}
}
