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.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.Locales.interfaces.*;
import com.planet_ink.coffee_mud.MOBS.interfaces.*;
import com.planet_ink.coffee_mud.Races.interfaces.*;

import java.util.*;

/* 
   Copyright 2000-2006 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 Friends extends StdCommand
{
	public Friends(){}

	private String[] access={"FRIENDS"};
	public String[] getAccessWords(){return access;}
	public boolean execute(MOB mob, Vector commands)
		throws java.io.IOException
	{
		PlayerStats pstats=mob.playerStats();
		if(pstats==null) return false;
		HashSet h=pstats.getFriends();

		if((commands.size()<2)||(((String)commands.elementAt(1)).equalsIgnoreCase("list")))
		{
			if(h.size()==0)
				mob.tell("You have no friends listed.  Use FRIENDS ADD to add more.");
			else
			{
				StringBuffer str=new StringBuffer("Your listed friends are: ");
				for(Iterator e=h.iterator();e.hasNext();)
					str.append(((String)e.next())+" ");
				mob.tell(str.toString());
			}
		}
		else
		if(((String)commands.elementAt(1)).equalsIgnoreCase("ADD"))
		{
			String name=CMParms.combine(commands,2);
			if(name.length()==0)
			{
				mob.tell("Add whom?");
				return false;
			}
			MOB M=CMClass.getMOB("StdMOB");
			if(name.equalsIgnoreCase("all"))
				M.setName("All");
			else
			if(!CMLib.database().DBUserSearch(M,name))
			{
				mob.tell("No player by that name was found.");
                M.destroy();
				return false;
			}
			if(h.contains(M.Name()))
			{
				mob.tell("That name is already on your list.");
                M.destroy();
				return false;
			}
			h.add(M.Name());
			mob.tell("The Player '"+M.Name()+"' has been added to your friends list.");
            M.destroy();
		}
		else
		if(((String)commands.elementAt(1)).equalsIgnoreCase("REMOVE"))
		{
			String name=CMParms.combine(commands,2);
			if(name.length()==0)
			{
				mob.tell("Remove whom?");
				return false;
			}
			if(!h.contains(name))
			{
				mob.tell("That name '"+name+"' does not appear on your list.  Watch your casing!");
				return false;
			}
			h.remove(name);
			mob.tell("The Player '"+name+"' has been removed from your friends list.");
		}
		else
		{
			mob.tell("Parameter '"+((String)commands.elementAt(1))+"' is not recognized.  Try LIST, ADD, or REMOVE.");
			return false;
		}
		return false;
	}
	
	public boolean canBeOrdered(){return false;}

	
}
