/**
 * Copyright (c) 2013--2014 Red Hat, Inc.
 *
 * This software is licensed to you under the GNU General Public License,
 * version 2 (GPLv2). There is NO WARRANTY for this software, express or
 * implied, including the implied warranties of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
 * along with this software; if not, see
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * Red Hat trademarks are not licensed under GPLv2. No permission is
 * granted to use or replicate Red Hat trademarks that are incorporated
 * in this software or its documentation.
 */
package com.redhat.rhn.domain.common;

import com.redhat.rhn.common.db.datasource.ModeFactory;
import com.redhat.rhn.common.db.datasource.SelectMode;
import com.redhat.rhn.common.hibernate.HibernateFactory;
import com.redhat.rhn.frontend.xmlrpc.NoSuchUserException;

import org.apache.log4j.Logger;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;


/**
 * LoggingFactory - contains methods for fetching and storing objects from the DB
 * related to Auditing Database Operations
 * @version $Rev$
 */
public class LoggingFactory extends HibernateFactory {

    private static Logger log = Logger.getLogger(LoggingFactory.class);
    public static final String SETUP_LOG_USER = "SETUP";

    @Override
    protected Logger getLogger() {
        return log;
    }

    /**
     * Clears the log_id record
     */
    public static void clearLogId() {
        executeCallableMode("Logging_queries", "clear_log_id", new HashMap());
    }

    /**
     * Sets the log_id record
     * @param userId user id
     */
    public static void setLogAuth(Long userId) {
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("user_id", userId.intValue());
        executeCallableMode("Logging_queries", "set_log_auth", params);
    }

    /**
     * Sets the log_id record according to the login
     * used for 1st user creation
     * @param login user login
     */
    public static void setLogAuthLogin(String login) {
        Long userId = null;
        SelectMode m = ModeFactory.getMode("Logging_queries",
                "get_log_user_id");
        Map<String, Object> params = new HashMap<String, Object>();
        params.put("login", login);
        for (Iterator<Map> iter = m.execute(params).iterator(); iter.hasNext();) {
            userId = (Long) iter.next().get("id");
        }
        if (userId == null) {
            throw new NoSuchUserException();
        }
        LoggingFactory.setLogAuth(userId);
    }
}