package com.planet_ink.coffee_mud.Abilities.Spells;
import com.planet_ink.coffee_mud.core.interfaces.*;
import com.planet_ink.coffee_mud.core.interfaces.ItemPossessor.Expire;
import com.planet_ink.coffee_mud.core.interfaces.ItemPossessor.Move;
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 2001-2022 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_Shelter extends Spell
{

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

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

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

	private final static String	localizedStaticDisplay	= CMLib.lang().L("(In a shelter)");

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

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

	@Override
	protected int canTargetCode()
	{
		return 0;
	}

	@Override
	public int enchantQuality()
	{
		return Ability.QUALITY_INDIFFERENT;
	}

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

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

	public Room previousLocation=null;
	public Room shelter=null;

	public Room getPreviousLocation(final MOB mob)
	{
		if((previousLocation==null)||(previousLocation.amDestroyed()))
		{
			if(text().length()>0)
				previousLocation=CMLib.map().getRoom(text());
			while((previousLocation==null)||(previousLocation.amDestroyed())||(!CMLib.flags().canAccess(mob, previousLocation)))
				previousLocation=CMLib.map().getRandomRoom();
		}
		return previousLocation;
	}

	@Override
	public void unInvoke()
	{
		if(!(affected instanceof MOB))
			return;
		final MOB M=(MOB)affected;

		if(canBeUninvoked())
		{
			Room shelter=this.shelter;
			if(shelter==null)
				shelter=M.location();
			if(shelter != null)
			{
				this.shelter=null;
				Room backToRoom=M.getStartRoom();
				int i=0;
				final LinkedList<MOB> mobs=new LinkedList<MOB>();
				for(final Enumeration<MOB> m=shelter.inhabitants();m.hasMoreElements();)
					mobs.add(m.nextElement());
				for(final MOB mob : mobs)
				{
					if(mob==null)
						break;
					mob.tell(L("You return to your previous location."));

					final CMMsg enterMsg=CMClass.getMsg(mob,previousLocation,null,CMMsg.MSG_ENTER,null,CMMsg.MSG_ENTER,null,CMMsg.MSG_ENTER,L("<S-NAME> appears out of nowhere!"));
					backToRoom=getPreviousLocation(mob);
					if(backToRoom==null)
						backToRoom=mob.getStartRoom();
					backToRoom.okMessage(mob, enterMsg);
					((Room)enterMsg.target()).bringMobHere(mob,false);
					((Room)enterMsg.target()).send(mob,enterMsg);
					CMLib.commands().postLook(mob,true);
				}
				final LinkedList<Item> items=new LinkedList<Item>();
				for(final Enumeration<Item> e=shelter.items();e.hasMoreElements();)
					items.add(e.nextElement());
				for(final Item I : items)
				{
					if(I.container()==null)
						backToRoom.moveItemTo(I, Expire.Player_Drop, Move.Followers);
				}
				i=0;
				while(i<shelter.numItems())
				{
					final Item I=shelter.getItem(i);
					backToRoom.moveItemTo(I, Expire.Player_Drop, Move.Followers);
					if(shelter.isContent(I))
						i++;
				}
				this.shelter=null;
				previousLocation=null;
			}
		}
		super.unInvoke();
	}

	@Override
	public boolean okMessage(final Environmental host, final CMMsg msg)
	{
		if(((msg.sourceMinor()==CMMsg.TYP_QUIT)
			||(msg.sourceMinor()==CMMsg.TYP_SHUTDOWN)
			||((msg.targetMinor()==CMMsg.TYP_EXPIRE)&&(msg.target()==shelter))
			||(msg.sourceMinor()==CMMsg.TYP_DEATH)
			||(msg.sourceMinor()==CMMsg.TYP_ROOMRESET))
		&&(shelter!=null)
		&&(shelter.isInhabitant(msg.source())))
		{
			getPreviousLocation(msg.source()).bringMobHere(msg.source(),false);
			unInvoke();
		}
		return super.okMessage(host,msg);
	}

	@Override
	public boolean invoke(final MOB mob, final List<String> commands, final Physical givenTarget, final boolean auto, final int asLevel)
	{
		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
			return false;

		if(mob.fetchEffect(ID())!=null)
		{
			mob.fetchEffect(ID()).unInvoke();
			return false;
		}

		final boolean success=proficiencyCheck(mob,0,auto);
		if(success)
		{
			final CMMsg msg=CMClass.getMsg(mob,null,this,somanticCastCode(mob,null,auto),auto?"":L("^S<S-NAME> wave(s) <S-HIS-HER> arms, speak(s), and suddenly vanish(es)!^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				final Set<MOB> h=properTargets(mob,givenTarget,false);
				if(h==null)
					return false;

				final Room thisRoom=mob.location();
				previousLocation=thisRoom;
				shelter=CMClass.getLocale("MagicShelter");
				final Room newRoom=shelter;
				shelter.setSavable(false);
				shelter.setRoomID("");
				shelter.setArea(mob.location().getArea());
				miscText=CMLib.map().getExtendedRoomID(mob.location());
				for (final Object element : h)
				{
					final MOB follower=(MOB)element;
					final CMMsg enterMsg=CMClass.getMsg(follower,newRoom,null,CMMsg.MSG_ENTER,null,CMMsg.MSG_ENTER,null,CMMsg.MSG_ENTER,L("<S-NAME> appears out of nowhere."));
					final CMMsg leaveMsg=CMClass.getMsg(follower,thisRoom,this,verbalCastCode(mob,newRoom,auto),L("<S-NAME> disappear(s) into oblivion."));
					if(thisRoom.okMessage(follower,leaveMsg)&&newRoom.okMessage(follower,enterMsg))
					{
						if(follower.isInCombat())
						{
							CMLib.commands().postFlee(follower,("NOWHERE"));
							follower.makePeace(false);
						}
						thisRoom.send(follower,leaveMsg);
						((Room)enterMsg.target()).bringMobHere(follower,false);
						thisRoom.delInhabitant(follower);
						((Room)enterMsg.target()).send(follower,enterMsg);
						follower.tell(L("\n\r\n\r"));
						CMLib.commands().postLook(follower,true);
						if(follower==mob)
							beneficialAffect(mob,mob,asLevel,999999);
					}
				}
			}
		}
		else
			beneficialVisualFizzle(mob,null,L("<S-NAME> wave(s) <S-HIS-HER> arms and speak(s), but nothing happens."));

		return success;
	}
}
