/*-------------------------------------------------------------------------
svninfo: $Id$
Maarten's Mud, WWW-based MUD using MYSQL
Copyright (C) 1998  Maarten van Leunen

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

Maarten van Leunen
Appelhof 27
5345 KA Oss
Nederland
Europe
maarten_l@yahoo.com
-------------------------------------------------------------------------*/
package mmud.commands;

import java.util.logging.Logger;

import mmud.Constants;
import mmud.MudException;
import mmud.characters.Person;
import mmud.characters.Persons;
import mmud.characters.User;
import mmud.database.Database;

/**
 * Fight another person. Syntax is :
 * <P>
 * <TT>fight <name></TT>
 * <P>
 * Persons available currently are as follows:
 * <UL>
 * <LI>Person
 * <LI>Bot -> Person
 * <LI>User -> Person
 * <LI>StdShopKeeper -> Person
 * </UL>
 * The requirements are as follows:
 * <UL>
 * <LI>the person should exist
 * <LI>the person should be playing the game
 * <LI>the person should be in the same room as the player issuing the command
 * <LI>if person is User -> only fighting if playerkill is active for both
 * parties
 * <LI>if person is Bot -> only fighting if bot if a MOB instead of an NPC.
 * </UL>
 * TODO: make fighting available in <I>Arena</I>(s), check bot is fightable.
 */
public class FightCommand extends NormalCommand
{

	public FightCommand(String aRegExpr)
	{
		super(aRegExpr);
	}

	@Override
	public boolean run(User aUser) throws MudException
	{
		Logger.getLogger("mmud").finer("");
		String[] myParsed = getParsedCommand();
		// determine if appropriate fighter is found.
		Person toChar = Persons.retrievePerson(myParsed[myParsed.length - 1]);
		if ((toChar == null) || (!toChar.getRoom().equals(aUser.getRoom())))
		{
			aUser.writeMessage("Cannot find that person.<BR>\r\n");
			return true;
		}
		if (toChar instanceof User)
		{
			// check for playerkill flag (on both sides!)
			if (!aUser.isPkill())
			{
				aUser
						.writeMessage("You do not have <I>pkill</I> active.<BR>\r\n");
				return true;
			}
			if (!((User) toChar).isPkill())
			{
				aUser
						.writeMessage("Your opponent does not have <I>pkill</I> active.<BR>\r\n");
				return true;
			}
		}
		if (!aUser.isFightable())
		{
			aUser.writeMessage("You cannot fight.<BR>\r\n");
			return true;
		}
		if (!toChar.isFightable())
		{
			aUser.writeMessage("You cannot attack that person.<BR>\r\n");
			return true;
		}
		aUser.setFightingPerson(toChar);
		toChar.setFightingPerson(aUser);
		Persons.sendMessage(aUser, toChar,
				"%SNAME start%VERB2 to fight against %TNAME.<BR>\r\n");
		Database.writeLog(aUser.getName(), "starts fighting "
				+ toChar.getName() + ".");
		Logger.getLogger("mmud").finer("waking up fighting thread...");
		Constants.wakeupFightingThread();
		return true;
	}

	public Command createCommand()
	{
		return new FightCommand(getRegExpr());
	}

}