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.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 2002-2020 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_SummonEnemy extends Spell
{

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

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

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

	private final static String	localizedStaticDisplay	= CMLib.lang().L("(Enemy Summoning)");

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

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

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

	@Override
	public long flags()
	{
		return Ability.FLAG_TRANSPORTING | Ability.FLAG_SUMMONING;
	}

	@Override
	protected int overrideMana()
	{
		return Ability.COST_PCT + 50;
	}

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

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

	@Override
	public void unInvoke()
	{
		final MOB mob=(MOB)affected;
		super.unInvoke();
		if((canBeUninvoked())&&(mob!=null))
		{
			if(mob.amDead())
				mob.setLocation(null);
			CMLib.tracking().wanderAway(mob,false,false);
			mob.destroy();
		}
	}

	@Override
	public void executeMsg(final Environmental myHost, final CMMsg msg)
	{
		super.executeMsg(myHost,msg);
		if((affected!=null)&&(affected instanceof MOB))
		{
			if((msg.amISource((MOB)affected)
				||msg.amISource(((MOB)affected).amFollowing())
				||(msg.source()==invoker()))
			&&(msg.sourceMinor()==CMMsg.TYP_QUIT))
			{
				unInvoke();
				if(msg.source().playerStats()!=null)
					msg.source().playerStats().setLastUpdated(0);
			}
		}
	}

	@Override
	public boolean okMessage(final Environmental myHost, final CMMsg msg)
	{
		if(!super.okMessage(myHost, msg))
			return false;
		if((affected != null)&&(affected instanceof MOB))
		{
			if((msg.source()==affected)
			&&(msg.sourceMinor()==CMMsg.TYP_DEATH))
			{
				final List<Item> destroyMe = new LinkedList<Item>();
				final List<Item> addMe = new LinkedList<Item>();
				for(final Enumeration<Item> i=msg.source().items();i.hasMoreElements();)
				{
					final Item I=i.nextElement();
					if(I!=null)
					{
						final Item newI = CMLib.utensils().ruinItem(I);
						if(newI != I)
						{
							addMe.add(newI);
							destroyMe.add(I);
						}
					}
				}
				for(final Item I : destroyMe)
					I.destroy();
				for(final Item I : addMe)
					msg.source().addItem(I);
			}
		}
		return true;
	}

	@Override
	public boolean tick(final Tickable ticking, final int tickID)
	{
		if(!super.tick(ticking, tickID))
			return false;
		if(ticking instanceof MOB)
		{
			final MOB mob=(MOB)ticking;
			if((mob.getVictim() == null)
			||(mob.getVictim().location()!=mob.location()))
				unInvoke();
		}
		return !this.unInvoked;
	}

	@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;

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

		if(success)
		{
			invoker=mob;
			final CMMsg msg=CMClass.getMsg(mob,null,this,verbalCastCode(mob,null,auto),auto?"":L("^S<S-NAME> conjur(s) the dark shadow of a living creature...^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				final MOB target = determineMonster(mob, mob.phyStats().level());
				if(target!=null)
				{
					final CMMsg msg2=CMClass.getMsg(mob,target,this,verbalCastCode(mob,null,auto)|CMMsg.MASK_MALICIOUS,null);
					if(mob.location().okMessage(mob, msg2))
					{
						mob.location().send(mob, msg2);
						beneficialAffect(mob,target,asLevel,0);
						target.setVictim(mob);
					}
					else
						CMLib.tracking().wanderAway(target, false, true);
				}
				else
					mob.tell(L("Your equal could not be summoned."));
			}
		}
		else
			return beneficialWordsFizzle(mob,null,L("<S-NAME> conjur(s), but nothing happens."));

		// return whether it worked
		return success;
	}

	public MOB determineMonster(final MOB caster, final int level)
	{
		if(caster==null)
			return null;
		if(caster.location()==null)
			return null;
		if(caster.location().getArea()==null)
			return null;
		MOB newMOB=null;
		int tries=10000;
		while((newMOB==null)&&((--tries)>0))
		{
			final Room room=CMLib.map().getRandomRoom();
			if((room!=null)&&CMLib.flags().canAccess(caster,room)&&(room.numInhabitants()>0))
			{
				final MOB mob=room.fetchRandomInhabitant();
				if((mob!=null)
				&&(!(mob instanceof Deity))
				&&(!mob.isPlayer())
				&&(mob.phyStats().level()>=level-(CMProps.getIntVar(CMProps.Int.EXPRATE)/2))
				&&(mob.phyStats().level()<=(level+(CMProps.getIntVar(CMProps.Int.EXPRATE)/2)))
				&&(mob.charStats()!=null)
				&&(mob.charStats().getMyRace()!=null)
				&&(CMProps.isTheme(mob.charStats().getMyRace().availabilityCode()))
				&&((CMLib.flags().isGood(caster)&&CMLib.flags().isEvil(mob))
					|| (CMLib.flags().isNeutral(mob))
					|| (CMLib.flags().isEvil(caster)&&CMLib.flags().isGood(mob)))
				&&(caster.mayIFight(mob))
				)
					newMOB=mob;
			}
		}
		if(newMOB==null)
			return null;
		newMOB=(MOB)newMOB.copyOf();
		newMOB.basePhyStats().setRejuv(PhyStats.NO_REJUV);
		newMOB.recoverCharStats();
		newMOB.recoverPhyStats();
		newMOB.recoverMaxState();
		newMOB.resetToMaxState();
		newMOB.text();
		newMOB.bringToLife(caster.location(),true);
		CMLib.beanCounter().clearZeroMoney(newMOB,null);
		newMOB.setMoneyVariation(0);
		newMOB.location().showOthers(newMOB,null,CMMsg.MSG_OK_ACTION,L("<S-NAME> appears!"));
		caster.location().recoverRoomStats();
		newMOB.setStartRoom(null);
		return(newMOB);
	}
}
