/**
 *
 * Copyright
 * 2009-2015 Jayway Products AB
 * 2016-2017 Föreningen Sambruk
 *
 * Licensed under AGPL, Version 3.0 (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.gnu.org/licenses/agpl.txt
 *
 * 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 se.streamsource.streamflow.server.plugin.restlet;

import org.qi4j.bootstrap.Assembler;
import org.qi4j.bootstrap.Energy4Java;
import org.qi4j.spi.structure.ApplicationSPI;
import org.restlet.Application;
import org.restlet.Context;
import org.restlet.Restlet;
import org.restlet.data.MediaType;
import org.restlet.routing.Router;
import org.restlet.routing.Template;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Application for Streamflow SPI Plugin implementations.
 */
public class StreamflowPluginRestApplication
      extends Application
{
   public static final MediaType APPLICATION_SPARQL_JSON = new MediaType( "application/sparql-results+json", "SPARQL JSON" );

   final Logger logger = LoggerFactory.getLogger( "plugin" );

   ApplicationSPI app;

   private Assembler assembler;
   private String preferenceNode;
   private String jmxSuffix;

   public StreamflowPluginRestApplication( Context parentContext, Assembler assembler, String preferenceNode, String jmxSuffix ) throws Exception
   {
      super( parentContext );
      this.assembler = assembler;
      this.preferenceNode = preferenceNode;
      this.jmxSuffix = jmxSuffix;

      getMetadataService().addExtension( "srj", APPLICATION_SPARQL_JSON );
   }

   /**
    * Creates a root Restlet that will receive all incoming calls.
    */
   @Override
   public Restlet createInboundRoot()
   {
      Router pluginRouter = new Router( getContext() );

      pluginRouter.attach( "/contacts", app.findModule( "Web", "REST" ).objectBuilderFactory().newObject( ContactLookupRestlet.class ), Template.MODE_STARTS_WITH );
      pluginRouter.attach( "/authentication", (Restlet) app.findModule( "Web", "REST" ).objectBuilderFactory().newObject( AuthenticationRestlet.class ), Template.MODE_STARTS_WITH );
      pluginRouter.attach( "/import", app.findModule( "Web", "REST" ).objectBuilderFactory().newObject( LdapImporterRestlet.class ), Template.MODE_STARTS_WITH );
      pluginRouter.attach( "/streets", app.findModule( "Web", "REST" ).objectBuilderFactory().newObject( StreetAddressLookupRestlet.class ), Template.MODE_STARTS_WITH );

      return pluginRouter;
   }

   @Override
   public void start() throws Exception
   {
      if (isStopped())
      {
         try
         {
            // Start Qi4j
            Energy4Java is = new Energy4Java();
            app = is.newApplication( new PluginApplicationAssembler( assembler, preferenceNode, jmxSuffix ) );

            app.activate();

            super.start();
         } catch (Exception e)
         {
            e.printStackTrace();
            throw e;
         }
      }
   }

   @Override
   public void stop() throws Exception
   {
      if (isStarted())
      {
         super.stop();

         logger.info( "Passivating Streamflow plugins" );
         app.passivate();
      }
   }
}