/**
 * Copyright (C) 2003  Manfred Andres
 * 
 * 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.
 * 
 * Created on 28.09.2003
 */

package freecs.commands;
import java.util.Iterator;
import java.util.Vector;

import freecs.interfaces.ICommand;
import freecs.interfaces.IGroupState;
import freecs.content.MessageState;
import freecs.core.GroupManager;
import freecs.core.User;
import freecs.interfaces.IUserStates;

/**
 * @author Manfred Andres
 *
 * freecs.commands
 */
public class CmdBan extends AbstractCommand {
	public final String cmd= "/ban";
	private static final ICommand selve= new CmdBan();

	private CmdBan () { }
	
	public static ICommand getInstance () {
		return selve;
	}
	
	public boolean execute (MessageState msgState, String param) {
		if (isPunished (msgState)) 
			return false;
		String parts[] = param.split (":");
		param = parts[0];
        msgState.targetGroup = null;
		if (parts.length > 1) {
			msgState.targetGroup = GroupManager.mgr.getGroup (parts[1]);
			if (msgState.targetGroup==null) {
                msgState.param = parts[1];
				msgState.msgTemplate="error.group.notExisting";
				msgState.sender.sendMessage(msgState.mp);
				return false;
			}
		} else
			msgState.targetGroup = msgState.sender.getGroup ();
        if (!msgState.sender.hasRight(IUserStates.ROLE_VIP)) {
        	if (msgState.targetGroup.hasState(IGroupState.ENTRANCE)) {
                msgState.msgTemplate = "error.noRight.noVipAdmin";
                msgState.sender.sendMessage (msgState.mp);
                return false;
            } else if (!msgState.targetGroup.usrIsSu(msgState.sender)) {
                	   msgState.msgTemplate="error.noRight.noSuVipAdmin";
                	   msgState.sender.sendMessage(msgState.mp);
                	   return false;
        	}
        }
		if (param == null || param.length () < 1) {
            msgState.msgTemplate = "error.ban.noArg";
            msgState.sender.sendMessage (msgState.mp);
            return false;
        }
		msgState.useRenderCache=false;
		ICommand ic = CommandSet.getCommandSet().getCommand("/k");
        Vector found = getMultibleUsers(msgState, param);
        MessageState bkup = (MessageState) msgState.clone();
        for (Iterator e = found.iterator(); e.hasNext(); ) {
            User cu = (User) e.next();
            if (cu.hasRight (IUserStates.PROTECTED_FROM_BAN)
                && !msgState.sender.hasRight(IUserStates.ROLE_GOD)) {
                User luc = msgState.usercontext;
                msgState.usercontext = cu;
                msgState.msgTemplate = "error.noRight.noAdmin";
                msgState.sender.sendMessage (msgState.mp);
                msgState.usercontext=luc;
                e.remove();
                continue;
            }
            if (msgState.targetGroup.equals(cu.getGroup())) {
                if (!ic.execute(msgState, cu.getName())) {
                    e.remove();
                    msgState.inhale(bkup);
                    continue;
                }
                msgState.inhale(bkup);
            }
            msgState.usercontext = cu;
            msgState.targetGroup.setBanForUser (cu.getName(), true);
            msgState.msgTemplate = "message.ban.personal";
            cu.sendMessage (msgState.mp);
        }
        if (found.size()==0)
            return false;
        if (found.size()==1) {
            msgState.msgTemplate = "message.ban.singular";
            msgState.targetGroup.sendModeratedMessage (msgState.mp);
            if (!msgState.sender.getGroup().equals(msgState.targetGroup)) {
                msgState.msgTemplate= "message.ban.confirm.singular";
                msgState.sender.sendMessage (msgState.mp);
            }
        } else {
            msgState.usrList = found.toArray();
            msgState.msgTemplate = "message.ban.plural";
            msgState.targetGroup.sendModeratedMessage (msgState.mp);
            if (!msgState.sender.getGroup().equals(msgState.targetGroup)) {
                msgState.msgTemplate= "message.ban.confirm.plural";
                msgState.sender.sendMessage (msgState.mp);
            }
        }
		return true;
	}
}