/**
    * This file Copyright (c) 2003-2010 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.blossom.template;
  
  import info.magnolia.cms.beans.config.ContentRepository;
  import info.magnolia.cms.core.Content;
  import info.magnolia.cms.core.HierarchyManager;
  import info.magnolia.context.MgnlContext;
  import info.magnolia.module.blossom.dispatcher.BlossomDispatcher;
  import info.magnolia.module.blossom.support.RepositoryUtils;
  import org.apache.commons.lang.StringUtils;
  import org.apache.jackrabbit.value.StringValue;
  import org.springframework.beans.factory.InitializingBean;
  
  import javax.jcr.RepositoryException;
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  
  /**
   * Default implementation of {@link info.magnolia.module.blossom.template.BlossomTemplateRegistry}.
   */
  public class DefaultBlossomTemplateRegistry implements BlossomTemplateRegistry, InitializingBean {
  
      private static final String TEMPLATES_PATH = "/modules/blossom/templates/autodetected";
  
      protected TemplateDescriptionBuilder descriptionBuilder;
      private Map<String, BlossomTemplateDescription> templatesByName = new ConcurrentHashMap<String, BlossomTemplateDescription>();
  
      public void setDescriptionBuilder(TemplateDescriptionBuilder descriptionBuilder) {
          this.descriptionBuilder = descriptionBuilder;
      }
  
      public BlossomTemplateDescription getTemplate(String name) {
          return templatesByName.get(name);
      }
  
      public void registerTemplate(BlossomDispatcher dispatcher, Object handler, String handlerPath) throws RepositoryException {
          addTemplate(descriptionBuilder.buildDescription(dispatcher, handler, handlerPath));
      }
  
      protected void addTemplate(BlossomTemplateDescription description) throws RepositoryException {
          templatesByName.put(description.getName(), description);
          writeTemplateDefinition(description);
      }
  
      protected void writeTemplateDefinition(BlossomTemplateDescription templateDescription) throws RepositoryException {
          HierarchyManager hierarchyManager = MgnlContext.getSystemContext().getHierarchyManager(ContentRepository.CONFIG);
          Content configNode = RepositoryUtils.createContentNode(hierarchyManager, TEMPLATES_PATH, templateDescription.getName());
          configNode.createNodeData("name", new StringValue(templateDescription.getName()));
          configNode.createNodeData("title", new StringValue(templateDescription.getTitle()));
          configNode.createNodeData("description", new StringValue(templateDescription.getDescription()));
          configNode.createNodeData("visible", templateDescription.isVisible());
          if (StringUtils.isNotBlank(templateDescription.getI18nBasename()))
              configNode.createNodeData("i18nBasename", new StringValue(templateDescription.getI18nBasename()));
          configNode.createNodeData("type", new StringValue("blossom"));
          configNode.createNodeData("class", BlossomTemplate.class.getName());
          configNode.getParent().save();
      }
  
      public void afterPropertiesSet() throws Exception {
  
          HierarchyManager hierarchyManager = MgnlContext.getSystemContext().getHierarchyManager(ContentRepository.CONFIG);
          RepositoryUtils.deleteContent(hierarchyManager, TEMPLATES_PATH);
  
          if (descriptionBuilder == null)
              descriptionBuilder = new TemplateDescriptionBuilder();
      }
  }