package com.planet_ink.coffee_mud.core.intermud.cm1.commands;
import com.planet_ink.coffee_mud.core.interfaces.*;
import com.planet_ink.coffee_mud.core.intermud.cm1.RequestHandler;
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.*;
import java.net.*;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.channels.SocketChannel;
import java.nio.channels.spi.SelectorProvider;
import java.io.*;
import java.util.concurrent.atomic.*;

/*
   Copyright 2010-2020 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 SetStat extends GetStat
{
	@Override
	public String getCommandWord()
	{
		return "SETSTAT";
	}

	public SetStat(final RequestHandler req, final String parameters)
	{
		super(req, parameters);
	}

	@Override
	public void run()
	{
		try
		{
			final PhysicalAgent P=req.getTarget();
			if(P==null)
			{
				req.sendMsg("[FAIL NO TARGET]");
				return;
			}
			if(!isAuthorized(req.getUser(),P))
			{
				req.sendMsg("[FAIL UNAUTHORIZED]");
				return;
			}
			String rest = "";
			String type = parameters.toUpperCase().trim();
			int x=parameters.indexOf(' ');
			if(x>0)
			{
				type=parameters.substring(0,x).toUpperCase().trim();
				rest=parameters.substring(x+1).toUpperCase().trim();
			}
			final Modifiable mod=getModifiable(type,P);
			if(mod==null)
			{
				req.sendMsg("[FAIL "+getHelp(req.getUser(), P, "")+"]");
				return;
			}
			String value="";
			String stat=rest;
			String firstValue="";
			String restValue="";
			char adjuster=' ';
			x=rest.indexOf(' ');
			if(x>0)
			{
				stat=rest.substring(0,x).toUpperCase().trim();
				value=rest.substring(x+1).toUpperCase().trim();
				firstValue=value;
				x=value.indexOf(' ');
				if(x>0)
				{
					firstValue=value.substring(0,x);
					restValue=value.substring(x+1).trim();
				}

				if((stat.length()>0)&&(!Character.isLetter(stat.charAt(0))))
				{
					adjuster=stat.charAt(0);
					stat=stat.substring(1);
				}
			}
			if((stat.length()==0)||(!isAStat(P,mod,stat)))
			{
				req.sendMsg("[FAIL USAGE: SETSTAT "+type+" "+CMParms.toListString(getStatCodes(P,mod))+"]");
				return;
			}

			if(mod instanceof Physical)
			{
				switch(CMParms.indexOf(PHYSSTATS, stat))
				{
					case -1:
						break;
					case 0:
					{
						if(adjuster=='-')
						{
							final Ability A=((Physical)mod).fetchEffect(firstValue);
							if(A!=null)
							{
								((Physical)mod).delEffect(A);
								req.sendMsg("[OK -"+A.ID()+"]");
							}
							else
								req.sendMsg("[FAIL "+firstValue+" NOT FOUND]");
						}
						else
						{
							final Ability A=CMClass.findAbility(firstValue);
							if(A==null)
								req.sendMsg("[FAIL "+firstValue+" NOT FOUND]");
							else
							if(adjuster=='+')
							{
								final MOB M=CMClass.sampleMOB();
								M.setLocation(CMLib.map().roomLocation((Physical)mod));
								try
								{
									A.invoke(M, CMParms.parse(restValue), (Physical)mod, true, 0);
								}
								catch(final Exception e)
								{
								}
								M.destroy();
								req.sendMsg("[OK "+firstValue+"]");
							}
							else
							{
								A.setMiscText(restValue);
								((Physical)mod).addNonUninvokableEffect(A);
								req.sendMsg("[OK "+firstValue+"]");
							}
						}
						return;
					}
				}
			}
			if(mod instanceof PhysicalAgent)
			{
				switch(CMParms.indexOf(PHYASTATS, stat))
				{
					case -1:
						break;
					case 0:
					{
						if(adjuster=='-')
						{
							final Behavior A=((PhysicalAgent)mod).fetchBehavior(firstValue);
							if(A!=null)
							{
								((PhysicalAgent)mod).delBehavior(A);
								req.sendMsg("[OK -"+A.ID()+"]");
							}
							else
								req.sendMsg("[FAIL "+firstValue+" NOT FOUND]");
						}
						else
						{
							final Behavior A=CMClass.findBehavior(firstValue);
							if(A==null)
								req.sendMsg("[FAIL "+firstValue+" NOT FOUND]");
							else
							{
								A.setParms(restValue);
								((PhysicalAgent)mod).addBehavior(A);
							}
						}
						return;
					}
				}
			}
			if(mod instanceof MOB)
			{
				switch(CMParms.indexOf(MOBASTATS, stat))
				{
					case -1:
						break;
					case 0:
					{
						if(adjuster=='-')
						{
							final Ability A=((MOB)mod).fetchAbility(firstValue);
							if(A!=null)
							{
								((MOB)mod).delAbility(A);
								req.sendMsg("[OK -"+A.ID()+"]");
							}
							else
								req.sendMsg("[FAIL "+firstValue+" NOT FOUND]");
						}
						else
						{
							final Ability A=CMClass.findAbility(firstValue);
							if(A==null)
								req.sendMsg("[FAIL "+firstValue+" NOT FOUND]");
							else
							{
								A.setMiscText(restValue);
								((MOB)mod).addAbility(A);
								req.sendMsg("[OK "+firstValue+"]");
							}
						}
						return;
					}
					case 1:
					{
						final Faction F=CMLib.factions().getFaction(firstValue);
						if(F==null)
							req.sendMsg("[FAIL "+firstValue+" NOT EXIST]");
						else
						if(adjuster=='-')
						{
							final int f=((MOB)mod).fetchFaction(F.factionID());
							if(f<Integer.MAX_VALUE)
							{
								if(CMath.isInteger(restValue))
									((MOB)mod).addFaction(F.factionID(), f-CMath.s_int(restValue));
								else
									((MOB)mod).removeFaction(F.factionID());
								req.sendMsg("[OK -"+F.factionID()+" "+restValue+"]");
							}
							else
								req.sendMsg("[FAIL "+F.factionID()+" NOT FOUND]");
						}
						else
						{
							int def=0;
							if(CMath.isInteger(restValue))
								def+=CMath.s_int(restValue);
							((MOB)mod).addFaction(F.factionID(), def);
							req.sendMsg("[OK "+F.factionID()+" "+((MOB)mod).fetchFaction(F.factionID())+"]");
						}
						return;
					}
					case 2:
					{
						ExpertiseLibrary.ExpertiseDefinition def=CMLib.expertises().findDefinition(firstValue, true);
						if(def==null)
							def=CMLib.expertises().findDefinition(firstValue, false);
						if(def==null)
							req.sendMsg("[FAIL "+firstValue+" NOT EXIST]");
						else
						if(adjuster=='-')
						{
							((MOB)mod).delExpertise(def.ID());
							req.sendMsg("[OK -"+def.ID()+"]");
						}
						else
						{
							((MOB)mod).addExpertise(def.ID());
							req.sendMsg("[OK "+def.ID()+"]");
						}
						return;
					}
					case 3:
					{
						if(adjuster=='-')
						{
							final MOB M=((MOB)mod).fetchFollower(restValue);
							if(M==null)
								req.sendMsg("[FAIL "+restValue+" NOT FOUND]");
							else
							{
								M.setFollowing(null);
								req.sendMsg("[OK -"+M.Name()+"]");
							}
						}
						else
						{
							final Room R=CMLib.map().roomLocation((MOB)mod);
							MOB M=null;
							if(R!=null)
								M=R.fetchInhabitant(restValue);
							if(M!=null)
							{
								M.setFollowing((MOB)mod);
								req.sendMsg("[OK "+M.Name()+"]");
							}
							else
								req.sendMsg("[FAIL "+restValue+" NOT FOUND]");
						}
						return;
					}
				}
			}
			if(mod instanceof ItemPossessor)
			{
				switch(CMParms.indexOf(ITEMSTATS, stat))
				{
					case -1:
						break;
					case 0:
					{
						if(adjuster=='-')
						{
							final Item M=((ItemPossessor)mod).findItem(firstValue);
							if(M==null)
								req.sendMsg("[FAIL "+restValue+" NOT FOUND]");
							else
							{
								M.destroy();
								req.sendMsg("[OK -"+M.Name()+"]");
							}
						}
						else
						{
							final Room R=CMLib.map().roomLocation((Physical)mod);
							Item M=null;
							if((R!=null)&&(mod instanceof MOB))
								M=R.findItem(firstValue);
							if((R!=null)&&(mod instanceof Room))
								M=((MOB)mod).findItem(firstValue);
							if(M==null)
								M=CMClass.getItem(firstValue);
							if(M!=null)
							{
								((ItemPossessor)mod).addItem(M);
								req.sendMsg("[OK "+M.Name()+"]");
							}
							else
								req.sendMsg("[FAIL "+restValue+" NOT FOUND]");
						}
						return;
					}
				}
			}
			if(mod instanceof Room)
			{
				switch(CMParms.indexOf(ROOMSTATS, stat))
				{
					case -1:
						break;
					case 0:
					{
						if(adjuster=='-')
						{
							final MOB M=((Room)mod).fetchInhabitant(restValue);
							if(M==null)
								req.sendMsg("[FAIL "+restValue+" NOT FOUND]");
							else
							if(!M.isMonster())
								req.sendMsg("[FAIL "+M.Name()+" IS PLAYER]");
							else
							{
								M.destroy();
								req.sendMsg("[OK -"+M.Name()+"]");
							}
						}
						else
						{
							MOB M=CMLib.players().getPlayer(restValue);
							if(M==null)
								M=CMLib.map().findFirstInhabitant(((Room)mod).getArea().getMetroMap(), null, restValue, 10);
							if(M==null)
								M=CMClass.getMOB(restValue);
							if(M!=null)
							{
								((Room)mod).bringMobHere(M,true);
								req.sendMsg("[OK "+M.Name()+"]");
							}
							else
								req.sendMsg("[FAIL "+restValue+" NOT FOUND]");
						}
						return;
					}
				}
			}

			if(!UseGenBuilder(P,mod))
				mod.setStat(stat, value);
			else
			{
				final String[] codes = this.getStatCodes(P, mod);
				for (final String code : codes)
				{
					if(code.equalsIgnoreCase(stat))
					{
						if(P instanceof MOB)
							CMLib.coffeeMaker().setGenMobStat((MOB)P, stat, value);
						else
						if(P instanceof Item)
							CMLib.coffeeMaker().setGenItemStat((Item)P, stat, value);
					}
				}
			}
			req.sendMsg("[OK]");
		}
		catch(final Exception ioe)
		{
			Log.errOut(className,ioe);
			req.close();
		}
	}
}
