package com.planet_ink.coffee_mud.Abilities.Specializations;
import com.planet_ink.coffee_mud.Abilities.StdAbility;
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 com.planet_ink.coffee_mud.core.collections.DoubleFilterer;

import java.util.*;

/*
   Copyright 2016-2022 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 Proficiency_Weapon extends StdAbility
{
	@Override
	public String ID()
	{
		return "Proficiency_Weapon";
	}

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

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

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

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

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

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

	@Override
	public boolean isAutoInvoked()
	{
		return true;
	}

	@Override
	public boolean canBeUninvoked()
	{
		return false;
	}

	protected int					weaponClass			= -1;
	protected int					secondWeaponClass	= -1;
	protected String				weaponZappermask	= null;
	protected DoubleFilterer<Item>[]lastFilter			= null;
	protected DoubleFilterer<Item>[]newFilter			= null;
	protected DoubleFilterer<Item>	myFilter			= null;

	@Override
	public int classificationCode()
	{
		return Ability.ACODE_SKILL | Ability.DOMAIN_WEAPON_USE;
	}

	protected String getSpecificWeaponType()
	{
		return "Weapon";
	}

	protected String getWeaponMask()
	{
		if(weaponZappermask == null)
		{
			final StringBuilder str=new StringBuilder("-CLASSTYPE +"+getSpecificWeaponType()+" ");

			if(weaponClass >=0)
				str.append("-WEAPONCLASS +"+Weapon.CLASS_DESCS[weaponClass]+" ");
			if(secondWeaponClass >=0)
				str.append("+"+Weapon.CLASS_DESCS[secondWeaponClass]+" ");
			weaponZappermask = str.toString();
		}
		return weaponZappermask;
	}

	@Override
	public void affectCharStats(final MOB affected, final CharStats affectableStats)
	{
		super.affectCharStats(affected,affectableStats);
		if(myFilter == null)
		{
			final String zapMask = getWeaponMask();
			myFilter = new com.planet_ink.coffee_mud.core.collections.DoubleFilterer<Item>()
			{
				final MaskingLibrary.CompiledZMask mask = CMLib.masking().maskCompile(zapMask);

				@Override
				public com.planet_ink.coffee_mud.core.collections.DoubleFilterer.Result getFilterResult(final Item obj)
				{
					return CMLib.masking().maskCheck(mask, obj, true) ? DoubleFilterer.Result.ALLOWED : DoubleFilterer.Result.NOTAPPLICABLE;
				}
			};
		}
		if((proficiency()>95)||(proficiencyCheck(affected,0,false)))
		{
			if(affectableStats.getItemProficiencies() == lastFilter)
			{
				affectableStats.setItemProficiencies(newFilter);
			}
			else
			{
				lastFilter = affectableStats.getItemProficiencies();
				newFilter = Arrays.copyOf(lastFilter, lastFilter.length+1);
				newFilter[newFilter.length-1] = myFilter;
				affectableStats.setItemProficiencies(newFilter);
			}
		}
	}

	@Override
	public void executeMsg(final Environmental myHost, final CMMsg msg)
	{
		if((myFilter!=null)
		&&(affected instanceof MOB)
		&&(msg.amISource((MOB)affected))
		&&((msg.sourceMinor()==CMMsg.TYP_THROW)||(msg.targetMinor()==CMMsg.TYP_WEAPONATTACK))
		&&(msg.tool() instanceof Weapon)
		&&(msg.target() instanceof MOB)
		&&(CMLib.dice().rollPercentage()<5)
		&&(myFilter.getFilterResult((Weapon)msg.tool())==DoubleFilterer.Result.ALLOWED)
		)
			helpProficiency((MOB)affected, 0);
		super.executeMsg(myHost,msg);
	}
}
