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 2004-2020 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_Youth extends Spell
{

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

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

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

	@Override
	public int overrideMana()
	{
		return Ability.COST_ALL;
	}

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

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

	@Override
	public boolean invoke(final MOB mob, final List<String> commands, final Physical givenTarget, final boolean auto, final int asLevel)
	{
		final MOB target=this.getTarget(mob,commands,givenTarget);
		if(target==null)
			return false;

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

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

		final CMMsg msg=CMClass.getMsg(mob,target,this,somanticCastCode(mob,target,auto),auto?"":L("^S<S-NAME> wave(s) <S-HIS-HER> arms around <T-NAMESELF>, drawing forth <T-HIS-HER> youthful self.^?"));
		if(success)
		{
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				if((target.baseCharStats().getStat(CharStats.STAT_AGE)<=0)
					||(target.baseCharStats().ageCategory()<=Race.AGE_YOUNGADULT))
				{
					mob.tell(mob,target,null,L("The magic appears to have had no effect upon <T-NAME>."));
					success=false;
				}
				else
				{
					final int[] chart=target.baseCharStats().getMyRace().getAgingChart();
					mob.location().show(target,null,CMMsg.MSG_OK_VISUAL,L("<S-NAME> grow(s) younger!"));
					final int cat=target.baseCharStats().ageCategory();
					int age=target.baseCharStats().getStat(CharStats.STAT_AGE);
					if(cat>=Race.AGE_ANCIENT)
					{
						final int diff=chart[Race.AGE_ANCIENT]-chart[Race.AGE_VENERABLE];
						age=age-chart[Race.AGE_ANCIENT];
						final int num=(diff>0)?(int)Math.abs(Math.floor(CMath.div(age,diff))):0;
						if(num<=0)
							age=(int)Math.round(CMath.div(chart[cat]+chart[cat-1],2.0));
						else
							age=target.baseCharStats().getStat(CharStats.STAT_AGE)-diff;
					}
					else
						age=(int)Math.round(CMath.div(chart[cat]+chart[cat-1],2.0));
					if(target.playerStats()!=null)
					{
						final TimeClock C=CMLib.time().localClock(target.getStartRoom());
						target.playerStats().getBirthday()[PlayerStats.BIRTHDEX_YEAR]=C.getYear()-age;
						final int day=C.getDayOfMonth();
						final int month=C.getMonth();
						final int bday=mob.playerStats().getBirthday()[PlayerStats.BIRTHDEX_MONTH];
						final int bmonth=mob.playerStats().getBirthday()[PlayerStats.BIRTHDEX_DAY];
						if((month<bmonth)||((month==bmonth)&&(day<bday)))
							age--;
						target.baseCharStats().setStat(CharStats.STAT_AGE,age);
					}
					else
						target.baseCharStats().setStat(CharStats.STAT_AGE,age);
					target.recoverCharStats();
					target.recoverPhyStats();
				}
			}
		}
		else
			beneficialVisualFizzle(mob,target,L("<S-NAME> wave(s) <S-HIS-HER> arms around <T-NAMESELF>, but the spell fizzles."));

		// return whether it worked
		return success;
	}

}
