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.*;
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 Chant_MagneticField extends Chant
{
	@Override
	public String ID()
	{
		return "Chant_MagneticField";
	}

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

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

	private final static String localizedStaticDisplay = CMLib.lang().L("(Magnetic Field chant)");

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

	@Override
	public int classificationCode()
	{
		return Ability.ACODE_CHANT|Ability.DOMAIN_DEEPMAGIC;
	}

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

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

	@Override
	public long flags()
	{
		return Ability.FLAG_PARALYZING;
	}

	public boolean wearingHeldMetal(final Environmental affected)
	{
		if(affected instanceof MOB)
		{
			final MOB M=(MOB)affected;
			for(int i=0;i<M.numItems();i++)
			{
				final Item I=M.getItem(i);
				if((I!=null)
				&&(I.container()==null)
				&&(CMLib.flags().isMetal(I))
				&&(!I.amWearingAt(Wearable.IN_INVENTORY))
				&&(!I.amWearingAt(Wearable.WORN_HELD))
				&&(!I.amWearingAt(Wearable.WORN_WIELD)))
					return true;
			}
		}
		return false;
	}

	@Override
	public boolean okMessage(final Environmental host, final CMMsg msg)
	{
		if((msg.source()==affected)
		&&(wearingHeldMetal(affected))
		&&(!CMath.bset(msg.sourceMajor(),CMMsg.MASK_ALWAYS))
		&&(!(msg.tool() instanceof Ability))
		&&((msg.sourceMinor()==CMMsg.TYP_LEAVE)
		||(msg.sourceMinor()==CMMsg.TYP_ENTER)
		||(msg.sourceMinor()==CMMsg.TYP_ADVANCE)
		||(msg.sourceMinor()==CMMsg.TYP_RETREAT)))
		{
			msg.source().tell(L("Your metal armor is holding you in place!"));
			return false;
		}
		else
		if(((CMath.bset(msg.targetMajor(),CMMsg.MASK_DELICATE)
		   ||CMath.bset(msg.targetMajor(),CMMsg.MASK_HANDS)))
		&&(!CMath.bset(msg.sourceMajor(),CMMsg.MASK_ALWAYS))
		&&(affected instanceof MOB))
		{
			if((msg.target() instanceof Item)
			&&(CMLib.flags().isMetal(msg.target()))
			&&(((MOB)affected).isMine(msg.target())))
			{
				msg.source().tell(L("The magnetic field around @x1 prevents you from doing that.",((Item)msg.target()).name(msg.source())));
				return false;
			}
			if((msg.tool() instanceof Item)
			&&(CMLib.flags().isMetal(msg.tool()))
			&&(((MOB)affected).isMine(msg.tool())))
			{
				msg.source().tell(L("The magnetic field around @x1 prevents you from doing that.",((Item)msg.tool()).name(msg.source())));
				return false;
			}
		}
		return true;
	}

	@Override
	public void unInvoke()
	{
		// undo the affects of this spell
		if(!(affected instanceof MOB))
			return;
		final MOB mob=(MOB)affected;

		super.unInvoke();
		if(canBeUninvoked())
		{
			mob.tell(L("The magnetic field fades!"));
			CMLib.commands().postStand(mob,true, false);
		}
	}

	@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;

		int levelDiff=target.phyStats().level()-(mob.phyStats().level()+(2*getXLEVELLevel(mob)));
		if(levelDiff<0)
			levelDiff=0;
		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
			return false;

		boolean success=proficiencyCheck(mob,-(levelDiff*2),auto);

		if(success)
		{
			invoker=mob;
			final CMMsg msg=CMClass.getMsg(mob,target,this,verbalCastCode(mob,target,auto),auto?"":L("^S<S-NAME> chant(s) at <T-NAMESELF>.^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				if(msg.value()<=0)
				{
					success=maliciousAffect(mob,target,asLevel,-levelDiff,-1)!=null;
					if(success)
						if(target.location()==mob.location())
							target.location().show(target,null,CMMsg.MSG_OK_ACTION,L("<S-NAME> become(s) surrounded by a powerful magnetic field!!"));
				}
			}
		}
		else
			return maliciousFizzle(mob,target,L("<S-NAME> chant(s) to <T-NAMESELF>, but the spell fades."));

		// return whether it worked
		return success;
	}
}
