package com.planet_ink.coffee_mud.Commands;
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.ListingLibrary;
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 2005-2020 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 AutoAffects extends StdCommand
{
	public AutoAffects()
	{
	}

	private final String[]	access	= I(new String[] { "AUTOAFFECTS", "AUTOAFF", "AAF" });

	private final static Class<?>[][] internalParameters=new Class<?>[][]{{MOB.class},{StringBuffer.class},{StringBuilder.class},{List.class},{}};

	@Override
	public String[] getAccessWords()
	{
		return access;
	}

	public String getAutoAffects(final MOB viewerMOB, final Physical P)
	{
		final StringBuffer msg=new StringBuffer("");
		final int NUM_COLS=2;
		final int COL_LEN=CMLib.lister().fixColWidth(25.0,viewerMOB);
		int colnum=NUM_COLS;
		for(final Enumeration<Ability> a=P.effects();a.hasMoreElements();)
		{
			final Ability A=a.nextElement();
			if(A==null)
				continue;
			final String disp=A.name();
			if((A.displayText().length()==0)
			&&((!(P instanceof MOB))||(((MOB)P).fetchAbility(A.ID())!=null))
			&&(A.isAutoInvoked()))
			{
				if(((++colnum)>NUM_COLS)||(disp.length()>COL_LEN))
				{
					msg.append("\n\r");
					colnum=0;
				}
				msg.append("^S"+CMStrings.padRightPreserve("^<HELPNAME NAME='"+A.Name()+"'^>"+disp+"^</HELPNAME^>",COL_LEN));
				if(disp.length()>COL_LEN)
					colnum=99;
			}
		}
		msg.append("^N\n\r");
		return msg.toString();
	}

	protected void readAutoAffects(final MOB mob, final Session S, final String name)
	{
		if(S!=null)
		{
			if(CMSecurity.isAllowed(mob, mob.location(),CMSecurity.SecFlag.CMDMOBS))
			{
				if(name.length()>0)
				{
					final Physical P=mob.location().fetchFromMOBRoomFavorsItems(mob,null,name,Wearable.FILTER_ANY);
					if(P==null)
						S.colorOnlyPrint(L("You don't see @x1 here.",name));
					else
					{
						if(S==mob.session())
							S.colorOnlyPrint(L(" \n\r^!@x1 is affected by: ^?",P.name()));
						final String msg=getAutoAffects(mob,P);
						if(msg.length()<5)
							S.colorOnlyPrintln(L("Nothing!\n\r^N"));
						else
							S.colorOnlyPrintln(msg);
					}
					return;
				}

			}
			if(S==mob.session())
				S.colorOnlyPrint(L(" \n\r^!Your auto-invoked skills are:^?"));
			final String msg=getAutoAffects(mob,mob);
			if(msg.length()<5)
				S.colorOnlyPrintln(L(" Non-existant!\n\r^N"));
			else
				S.colorOnlyPrintln(msg);
		}
	}

	@Override
	public boolean execute(final MOB mob, final List<String> commands, final int metaFlags)
		throws java.io.IOException
	{
		final String name=CMParms.combine(commands,1);
		final Session S=mob.session();
		readAutoAffects(mob,S,name);
		return false;
	}

	@SuppressWarnings("unchecked")
	@Override
	public Object executeInternal(final MOB mob, final int metaFlags, final Object... args) throws java.io.IOException
	{
		if(!super.checkArguments(internalParameters, args))
			return Boolean.FALSE;
		if(args.length>0)
		{
			if(args[0] instanceof Session)
			{
				readAutoAffects(mob,(Session)args[0],"");
				return Boolean.TRUE;
			}
			else
			if(args[0] instanceof StringBuffer)
			{
				((StringBuffer)args[0]).append(getAutoAffects(mob,mob));
				return Boolean.TRUE;
			}
			else
			if(args[0] instanceof StringBuilder)
			{
				((StringBuilder)args[0]).append(getAutoAffects(mob,mob));
				return Boolean.TRUE;
			}
			else
			if(args[0] instanceof List)
			{
				((List<String>)args[0]).add(getAutoAffects(mob,mob));
				return Boolean.TRUE;
			}
		}
		return getAutoAffects(mob,mob);
	}

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

