/**
 * This file Copyright (c) 2008-2011 Magnolia International
 * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the Magnolia
 * Network Agreement and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or MNA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Magnolia Network Agreement (MNA), this file
 * and the accompanying materials are made available under the
 * terms of the MNA which accompanies this distribution, and
 * is available at http://www.magnolia-cms.com/mna.html
 *
 * Any modifications to this file must keep this entire header
 * intact.
 *
 */
package info.magnolia.module.mail.setup;

import info.magnolia.cms.core.Content;
import info.magnolia.cms.util.ContentUtil;
import info.magnolia.module.InstallContext;
import info.magnolia.module.delta.AbstractRepositoryTask;
import info.magnolia.module.delta.TaskExecutionException;

import javax.jcr.RepositoryException;

/**
 * Reconfigures email templates: moves renames "templates" to "templatesConfiguration" and renames the "body" property to "templateFile".
 */
class ReconfigureMailTemplates extends AbstractRepositoryTask {

    ReconfigureMailTemplates() {
        super("Update mail templates configuration", "Update mail templates configuration");
    }

    protected void doExecute(InstallContext installContext) throws RepositoryException, TaskExecutionException {
        final Content config = installContext.getOrCreateCurrentModuleConfigNode();
        if (config.hasContent("templatesConfiguration")) {
            installContext.error("Can't move " + "templates" + " to " + "templatesConfiguration" + " because the target node already exists.", null);
            return;
        }
        ContentUtil.moveInSession(config.getContent("templates"), config.getHandle() + "/" + "templatesConfiguration");

        for (Content templateCfg : config.getContent("templatesConfiguration").getChildren()) {
            if (templateCfg.hasNodeData("body")) {
                final String currentValue = templateCfg.getNodeData("body").getString();
                templateCfg.createNodeData("templateFile", currentValue);
                templateCfg.deleteNodeData("body");
            }
        }
    }

}