/**
 * 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.IUserStates;
import freecs.util.GroupUserList;
import freecs.content.MessageState;
import freecs.core.User;

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

	private CmdChangeForeignColor () { }
	
	public static ICommand getInstance () {
		return selve;
	}
	
	public boolean execute (MessageState msgState, String param) {
		if (isPunished (msgState)) 
            return false;
        if (!msgState.sender.hasRight(IUserStates.ROLE_VIP)) {
            msgState.msgTemplate = "error.noRight.noVipAdmin";
            msgState.sender.sendMessage(msgState.mp);
            return false;
        }
        if (param==null
            || param.length() < 1) {
            msgState.msgTemplate = "error.fcol.noArg";
            msgState.sender.sendMessage(msgState.mp);
            return false;
        }
        int pos = param.indexOf(" "); 
        if (pos == -1) {
            msgState.msgTemplate = "error.fcol.noUser";
            msgState.sender.sendMessage(msgState.mp);
            return false;
        }
        msgState.param = param.substring(0,pos);
        String colcode = msgState.param;
        param = param.substring (pos+1);
		if (!isColorCodeValid(msgState)) {
            msgState.sender.sendMessage(msgState.mp);
            return false;
        }
		Vector found = getMultibleUsers(msgState, param);
        GroupUserList gul = new GroupUserList();
        for (Iterator i = found.iterator(); i.hasNext(); ) {
            User u = (User) i.next();
            msgState.param = colcode;
            if (u.equals(msgState.sender)) {
            	i.remove();
                continue;
            } else if (isVip(u, u.getGroup(), msgState)
                    && !isVip(msgState.sender, u.getGroup(), msgState)) {
                		msgState.msgTemplate = "error.noRight.noVipAdmin";
                		msgState.sender.sendMessage(msgState.mp);
                		i.remove();
                		continue;
            } else if (!isVip(msgState.sender, u.getGroup(), msgState)
                    && !msgState.sender.hasRight(IUserStates.ROLE_GOD)) {
            			msgState.targetGroup = u.getGroup();
            			if (msgState.usrList.length > 1)
            				msgState.msgTemplate = "error.membership.notMember.many";
            			else
            				msgState.msgTemplate = "error.membership.notMember";
            				msgState.usercontext=u;
            				msgState.sender.sendMessage(msgState.mp);
            				i.remove();
            				continue;
            }
            u.setColCode(msgState.param);
            msgState.msgTemplate = "message.fcol.personal";
            msgState.usrList = found.toArray();
            msgState.usercontext=u;
            if (found.size() > 1)
            	u.sendMessage(msgState.mp);
			gul.addUser(u);
        }
        if (found.size() == 0)
            return false;
        if (found.size() == 1) {
            msgState.usercontext = (User) found.get(0);
            msgState.msgTemplate = "message.fcol.singular";
            msgState.targetGroup = msgState.usercontext.getGroup();
            if (msgState.targetGroup != null) {
                msgState.targetGroup.sendMessage(msgState.mp);
                if (!msgState.targetGroup.equals(msgState.sender.getGroup())) {
                    msgState.msgTemplate = "message.fcol.confirm.singular";
                    msgState.sender.sendMessage(msgState.mp);
                }
            }
            return true;
        }
		msgState.usrList = found.toArray();
        msgState.msgTemplate = "message.fcol.confirm.plural";
        msgState.sender.sendMessage(msgState.mp);
        gul.sendMessage(msgState, "message.fcol", true);
		return true;
	}
}