/**
    * This file Copyright (c) 2003-2011 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.exchangesimple.setup;
  
  import info.magnolia.cms.core.MgnlNodeType;
  import info.magnolia.cms.security.SecurityUtil;
  import info.magnolia.module.DefaultModuleVersionHandler;
  import info.magnolia.module.InstallContext;
  import info.magnolia.module.delta.AbstractTask;
  import info.magnolia.module.delta.ArrayDelegateTask;
  import info.magnolia.module.delta.BootstrapSingleModuleResource;
  import info.magnolia.module.delta.BootstrapSingleResource;
  import info.magnolia.module.delta.CreateNodeTask;
  import info.magnolia.module.delta.DeltaBuilder;
  import info.magnolia.module.delta.FilterOrderingTask;
  import info.magnolia.module.delta.IsAuthorInstanceDelegateTask;
  import info.magnolia.module.delta.SetPropertyTask;
  import info.magnolia.module.delta.Task;
  import info.magnolia.module.delta.TaskExecutionException;
  import info.magnolia.repository.RepositoryConstants;
  
  import java.security.NoSuchAlgorithmException;
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * VersionHandler of the ExchangeSimple module.
   *
   * @version $Id$
   */
  public class ExchangeSimpleModuleVersionHandler extends DefaultModuleVersionHandler {
      private final Task createEmptyActivationConfig = new ArrayDelegateTask("Activation configuration", "Creates an empty activation configuration", new Task[] {
              new CreateNodeTask("Activation configuration", "Creates empty activation configuration", RepositoryConstants.CONFIG, "/server", "activation", MgnlNodeType.NT_CONTENT),
              new SetPropertyTask(RepositoryConstants.CONFIG, "/server/activation", "class", info.magnolia.module.exchangesimple.DefaultActivationManager.class.getName()),
              new CreateNodeTask("Activation configuration", "Creates empty subscribers node", RepositoryConstants.CONFIG, "/server/activation", "subscribers", MgnlNodeType.NT_CONTENT)
      });
  
      public ExchangeSimpleModuleVersionHandler() {
          super();
  
          register(DeltaBuilder.update("4.5", "URL of activation filter is no longer password protected but uses encryption instead.")
                  .addTask(new BootstrapSingleModuleResource("Configure ActivationPage", "Register class to be used.", "config.modules.exchange-simple.pages.activationPage.xml"))
                  .addTask(new BootstrapSingleModuleResource("ActivationPage Menu", "Configure menu in AdminInterface.", "config.modules.adminInterface.config.menu.tools.activationPage.xml"))
                  .addTask(new IsAuthorInstanceDelegateTask("Security update", "Update security keys if on author instance.", new AbstractTask("", "") {
  
                      @Override
                      public void execute(InstallContext installContext) throws TaskExecutionException {
                          try {
                              SecurityUtil.updateKeys(SecurityUtil.generateKeyPair(1024));
                          } catch (NoSuchAlgorithmException e) {
                              throw new TaskExecutionException(e.getMessage(), e);
                          }
                      }
                  }))
                  .addTask(new FilterOrderingTask("activation", new String[] { "context", "login", "multipartRequest" })));
  
      }
  
      @Override
      protected List<Task> getBasicInstallTasks(InstallContext installContext) {
          final List<Task> installTasks = new ArrayList<Task>(super.getBasicInstallTasks(installContext));
          installTasks.add(new FilterOrderingTask("activation", new String[] { "context", "login", "multipartRequest" }));
          installTasks.add(new IsAuthorInstanceDelegateTask("", "", new BootstrapSingleResource("Bootstrap new activation configuration", "Bootstrap new activation configuration",
                  "/info/magnolia/module/exchangesimple/setup/config.server.activation.xml"), createEmptyActivationConfig));
  
          return installTasks;
      }
  
     @Override
     protected List<Task> getExtraInstallTasks(InstallContext installContext) {
         List<Task> tasks = new ArrayList<Task>();
         tasks.addAll(super.getExtraInstallTasks(installContext));
         tasks.add(new IsAuthorInstanceDelegateTask("Activation Keys", "Generate new Activation Key Pair.", new AbstractTask("", "") {
 
             @Override
             public void execute(InstallContext installContext) throws TaskExecutionException {
                 try {
                     SecurityUtil.updateKeys(SecurityUtil.generateKeyPair(1024));
                 } catch (NoSuchAlgorithmException e) {
                     throw new TaskExecutionException(e.getMessage(), e);
                 }
             }
         }));
 
         return tasks;
     }
 
 
 }