/*
 * NOTE: This copyright does *not* cover user programs that use HQ
 * program services by normal system calls through the application
 * program interfaces provided as part of the Hyperic Plug-in Development
 * Kit or the Hyperic Client Development Kit - this is merely considered
 * normal use of the program, and does *not* fall under the heading of
 * "derived work".
 * 
 * Copyright (C) [2004, 2005, 2006], Hyperic, Inc.
 * This file is part of HQ.
 * 
 * HQ is free software; you can redistribute it and/or modify
 * it under the terms version 2 of the GNU General Public License as
 * published by the Free Software Foundation. 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.
 */

package org.hyperic.hq.ui.action.resource.common.monitor.alerts.config;

import java.util.HashSet;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hyperic.hq.bizapp.shared.EventsBoss;
import org.hyperic.hq.bizapp.shared.action.EmailActionConfig;
import org.hyperic.hq.events.shared.ActionValue;
import org.hyperic.util.StringUtil;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

/**
 * An Action that removes users for an alert definition.
 * 
 */
@Component("alertsRemoveUsersActionNG")
@Scope("prototype")
public class RemoveUsersActionNG extends RemoveNotificationsActionNG {
	private final Log log = LogFactory.getLog(RemoveUsersActionNG.class
			.getName());

	public int getNotificationType() {
		return EmailActionConfig.TYPE_USERS;
	}

	/**
	 * Handles the actual work of removing users from the action.
	 */
	@Override
	protected String handleRemove(HttpServletRequest request,
			Map<String, Object> params, Integer sessionID, ActionValue action,
			EmailActionConfig ea, EventsBoss eb,
			RemoveNotificationsFormNG rnForm) throws Exception {
		fillForwardParams(rnForm);
		
		Integer[] users = rnForm.getUsers();
		if (null != users) {
			log.debug("users.length=" + users.length);
			HashSet<Object> storedUsers = new HashSet<Object>();
			storedUsers.addAll(ea.getUsers());
			for (int x = 0; x < users.length; ++x) {
				storedUsers.remove(users[x]);
			}
			ea.setNames(StringUtil.iteratorToString(storedUsers.iterator(), ","));
			action.setConfig(ea.getConfigResponse().encode());
			eb.updateAction(sessionID.intValue(), action);
		}

		return SUCCESS;
	}
}