/*
    * Copyright 2013 smartics, Kronseder & Reiner GmbH
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *     http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package de.smartics.properties.jboss.extension.resources;
  
  import java.util.List;
  
  import org.jboss.as.controller.AbstractAddStepHandler;
  import org.jboss.as.controller.OperationContext;
  import org.jboss.as.controller.OperationFailedException;
  import org.jboss.as.controller.ServiceVerificationHandler;
  import org.jboss.as.naming.ManagedReferenceInjector;
  import org.jboss.as.naming.ServiceBasedNamingStore;
  import org.jboss.as.naming.deployment.ContextNames;
  import org.jboss.as.naming.service.BinderService;
  import org.jboss.as.naming.service.NamingService;
  import org.jboss.dmr.ModelNode;
  import org.jboss.logging.Logger;
  import org.jboss.msc.service.ServiceController;
  import org.jboss.msc.service.ServiceController.Mode;
  import org.jboss.msc.service.ServiceTarget;
  
  import de.smartics.properties.api.core.app.JndiContext;
  import de.smartics.properties.spi.config.config.ExtensionConfiguration;
  
  /**
   * Adds the subsystem resource to the model.
   */
  final class SubsystemAdd extends AbstractAddStepHandler
  {
    // ********************************* Fields *********************************
  
    // --- constants ------------------------------------------------------------
  
    /**
     * The singleton instance of the operation.
     */
    static final SubsystemAdd INSTANCE = new SubsystemAdd();
  
    /**
     * Reference to the logger for this class.
     */
    private static final Logger LOG = Logger.getLogger(SubsystemAdd.class);
  
    // --- members --------------------------------------------------------------
  
    // ****************************** Initializer *******************************
  
    // ****************************** Constructors ******************************
  
    private SubsystemAdd()
    {
    }
  
    // ****************************** Inner Classes *****************************
  
    // ********************************* Methods ********************************
  
    // --- init -----------------------------------------------------------------
  
    // --- get&set --------------------------------------------------------------
  
    // --- business -------------------------------------------------------------
  
    @Override
    protected void populateModel(final ModelNode operation, final ModelNode model)
      throws OperationFailedException
    {
      model.setEmptyObject();
    }
  
    @Override
    protected void performRuntime(final OperationContext context,
        final ModelNode operation, final ModelNode model,
        final ServiceVerificationHandler verificationHandler,
        final List<ServiceController<?>> newControllers)
      throws OperationFailedException
    {
      LOG.debug("Properties configuration extension is being started ...");
      newControllers.add(installService(context, model, verificationHandler,
          newControllers));
      newControllers.add(installJndi(context));
      LOG.info("Properties configuration extension started successfully.");
    }
  
    private ServiceController<ExtensionConfiguration> installService(
        final OperationContext context, final ModelNode model,
       final ServiceVerificationHandler verificationHandler,
       final List<ServiceController<?>> newControllers)
     throws OperationFailedException
   {
     LOG.debug("  Properties configuration extension is starting service ...");
     final ExtensionConfiguration config = new ExtensionConfiguration();
     final ExtensionConfigurationService service =
         new ExtensionConfigurationService(config);
     final ServiceController<ExtensionConfiguration> controller =
         context.getServiceTarget()
             .addService(ExtensionConfigurationService.SERVICE_NAME, service)
             .addDependency(NamingService.SERVICE_NAME)
             .addListener(verificationHandler).setInitialMode(Mode.ACTIVE)
             .install();
     LOG.debug("  Properties configuration extension started sucessfully.");
     return controller;
   }
 
   private ServiceController<?> installJndi(final OperationContext context)
     throws OperationFailedException
   {
     LOG.debug("  Properties configuration extension is starting adding to JNDI ...");
     final ServiceTarget target = context.getServiceTarget();
     final String jndiName = JndiContext.extensionConfigPath();
 
     final ContextNames.BindInfo bindInfo = ContextNames.bindInfoFor(jndiName);
     final BinderService binder = new BinderService(bindInfo.getBindName());
     final ServiceController<?> controller =
         target
             .addService(bindInfo.getBinderServiceName(), binder)
             .addAliases(ContextNames.NAMING.append(jndiName))
             .addDependency(
                 ExtensionConfigurationService.SERVICE_NAME,
                 ExtensionConfiguration.class,
                 new ManagedReferenceInjector<ExtensionConfiguration>(binder
                     .getManagedObjectInjector()))
             .addDependency(bindInfo.getParentContextServiceName(),
                 ServiceBasedNamingStore.class, binder.getNamingStoreInjector())
             .setInitialMode(ServiceController.Mode.PASSIVE).install();
     LOG.debug("  Properties configuration extension added to JNDI successfully.");
     return controller;
   }
 
   // --- object basics --------------------------------------------------------
 }