/**
 * Copyright (c) 2009--2015 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.taskomatic.task;

import com.redhat.rhn.domain.action.Action;
import com.redhat.rhn.domain.action.ActionFactory;
import com.redhat.rhn.domain.action.config.ConfigAction;
import com.redhat.rhn.domain.action.config.ConfigRevisionAction;
import com.redhat.rhn.domain.config.ConfigFile;
import com.redhat.rhn.domain.config.ConfigRevision;
import com.redhat.rhn.domain.config.ConfigurationFactory;
import com.redhat.rhn.domain.server.Server;
import com.redhat.rhn.domain.server.ServerFactory;
import com.redhat.rhn.frontend.dto.ConfigFileNameDto;
import com.redhat.rhn.manager.configuration.ConfigurationManager;

import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;

import java.util.Set;

/**
 * Compare Config Files
 *  Schedules a comparison of config files on all systems
 *
 * @version $Rev$
 */
public class CompareConfigFilesTask extends RhnJavaJob {

    /**
     * Default constructor
     */
    public CompareConfigFilesTask() {
    }

    /**
     * {@inheritDoc}
     */
    public void execute(JobExecutionContext context)
            throws JobExecutionException {

        log.info("running config compare");

        ConfigurationManager cm = ConfigurationManager.getInstance();

        for (Server server : ServerFactory.listConfigDiffEnabledSystems()) {
            if (server.isInactive()) {
                continue;
            }

            Action act = ActionFactory.createAction(ActionFactory.TYPE_CONFIGFILES_DIFF);
            ConfigAction cfact = (ConfigAction) act;
            // set up needed fields for the action
            act.setName(act.getActionType().getName());
            act.setOrg(server.getOrg());

            // add the server to the action
            ActionFactory.addServerToAction(server, act);

            // add file revisions to the action
            for (ConfigFileNameDto cfn : cm.listAllFileNamesForSystem(server)) {
                Long cfid = cfn.getConfigFileId();
                ConfigFile cf = ConfigurationFactory.lookupConfigFileById(cfid);
                ConfigRevision crev = cf.getLatestConfigRevision();

                ActionFactory.addConfigRevisionToAction(crev, server, cfact);
            }

            if (act.getServerActions() == null || act.getServerActions().size() < 1) {
                continue;
            }
            Set<ConfigRevisionAction> cra = cfact.getConfigRevisionActions();
            if (cra == null || cra.size() < 1) {
                continue;
            }

            log.info("  saving comparison for " + server.getId());
            ActionFactory.save(act);
        }
    }
}