/**
    * This file Copyright (c) 2016-2018 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.ui.contentapp.setup;
  
  import info.magnolia.cms.core.Path;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.module.InstallContext;
  import info.magnolia.module.delta.AbstractRepositoryTask;
  import info.magnolia.module.delta.TaskExecutionException;
  import info.magnolia.repository.RepositoryConstants;
  import info.magnolia.ui.contentapp.browser.action.DelegateByNodeTypeActionDefinition;
  import info.magnolia.ui.contentapp.browser.action.ExpandNodeActionDefinition;
  
  import java.util.Map;
  
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  import javax.jcr.Session;
  
  /**
   * Task that replaces defaultAction in the actionbar with a delegate action.
   *
   * @see DelegateByNodeTypeActionDefinition
   * @see ExpandNodeActionDefinition
   */
  public class DefaultActionToDelegateActionTask extends AbstractRepositoryTask {
  
      private static final String EXPAND_NODE_ACTION_NAME = "expandNodeAction";
      private static final String DELEGATE_BY_NODE_TYPE_ACTION_NAME = "delegateByNodeTypeAction";
      private static final String NODE_TYPE_TO_ACTION_MAPPINGS_NAME = "nodeTypeToActionMappings";
  
      private static final String CLASS_PROPERTY = "class";
      private static final String NODE_TYPE = "nodeType";
      private static final String ACTION = "action";
      private static final String DEFAULT_ACTION = "defaultAction";
  
      private static final String ACTIONS_PATH = "/modules/%s/apps/%s/subApps/%s/actions";
      private static final String ACTIONBAR_PATH = "/modules/%s/apps/%s/subApps/%s/actionbar";
  
      private final String appName;
      private final String subAppName;
      private final Map<String, String> nodeTypeToActionMapping;
  
      public DefaultActionToDelegateActionTask(String name, String description, String appName, String subAppName, Map<String, String> nodeTypeToActionMapping) {
          super(name, description);
          this.appName = appName;
          this.subAppName = subAppName;
          this.nodeTypeToActionMapping = nodeTypeToActionMapping;
      }
  
      @Override
      protected void doExecute(InstallContext installContext) throws RepositoryException, TaskExecutionException {
          String moduleName = installContext.getCurrentModuleDefinition().getName();
          Session session = installContext.getJCRSession(RepositoryConstants.CONFIG);
          setupExpandNodeAction(session, moduleName);
          setupDelegateAction(session, moduleName);
          linkDefaultActionToDelegateAction(session, moduleName);
      }
  
      private void setupDelegateAction(Session session, String moduleName) throws RepositoryException {
          String actionsPath = String.format(ACTIONS_PATH, moduleName, appName, subAppName);
          if (!session.nodeExists(actionsPath + "/" + DELEGATE_BY_NODE_TYPE_ACTION_NAME)) {
              Node actionsNode = session.getNode(actionsPath);
              Node delegateActionNode = actionsNode.addNode(DELEGATE_BY_NODE_TYPE_ACTION_NAME, NodeTypes.ContentNode.NAME);
              delegateActionNode.setProperty(CLASS_PROPERTY, DelegateByNodeTypeActionDefinition.class.getCanonicalName());
              Node mappingsNode = delegateActionNode.addNode(NODE_TYPE_TO_ACTION_MAPPINGS_NAME, NodeTypes.ContentNode.NAME);
              for (Map.Entry<String, String> entry : nodeTypeToActionMapping.entrySet()) {
                  Node node = mappingsNode.addNode(Path.getValidatedLabel(entry.getKey()), NodeTypes.ContentNode.NAME);
                 node.setProperty(NODE_TYPE, entry.getKey());
                 node.setProperty(ACTION, entry.getValue());
             }
         }
     }
 
     private void setupExpandNodeAction(Session session, String moduleName) throws RepositoryException {
         String actionsPath = String.format(ACTIONS_PATH, moduleName, appName, subAppName);
         if (!session.nodeExists(actionsPath + "/" + EXPAND_NODE_ACTION_NAME)) {
             Node actionsNode = session.getNode(actionsPath);
             Node expandActionNode = actionsNode.addNode(EXPAND_NODE_ACTION_NAME, NodeTypes.ContentNode.NAME);
             expandActionNode.setProperty(CLASS_PROPERTY, ExpandNodeActionDefinition.class.getCanonicalName());
         }
     }
 
     private void linkDefaultActionToDelegateAction(Session session, String moduleName) throws RepositoryException {
         Node actionbarNode = session.getNode(String.format(ACTIONBAR_PATH, moduleName, appName, subAppName));
         actionbarNode.setProperty(DEFAULT_ACTION, DELEGATE_BY_NODE_TYPE_ACTION_NAME);
     }
 }