/**
 *
 * 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.web.context.surface.accesspoints;

import static se.streamsource.dci.api.RoleMap.role;

import org.qi4j.api.injection.scope.Structure;
import org.qi4j.api.specification.Specification;
import org.qi4j.api.structure.Module;
import org.qi4j.api.util.Iterables;
import org.qi4j.api.value.ValueBuilder;

import se.streamsource.dci.api.IndexContext;
import se.streamsource.dci.value.link.LinkValue;
import se.streamsource.dci.value.link.LinksValue;
import se.streamsource.streamflow.web.context.LinksBuilder;
import se.streamsource.streamflow.web.domain.structure.form.SelectedForms;
import se.streamsource.streamflow.web.domain.structure.organization.AccessPoint;
import se.streamsource.streamflow.web.domain.structure.organization.AccessPoints;
import se.streamsource.streamflow.web.domain.structure.organization.Organization;
import se.streamsource.streamflow.web.domain.structure.user.ProxyUser;
import se.streamsource.streamflow.web.domain.structure.user.UserAuthentication;

/**
 * JAVADOC
 */
public class AccessPointsContext
      implements IndexContext<LinksValue>
{
   @Structure
   Module module;

   public LinksValue index()
   {
      UserAuthentication authentication = role( UserAuthentication.class );

      if (!(authentication instanceof ProxyUser))
      {
         LinksBuilder builder = new LinksBuilder( module.valueBuilderFactory() );
         ValueBuilder<LinkValue> valueBuilder = module.valueBuilderFactory().newValueBuilder( LinkValue.class );
         valueBuilder.prototype().href().set( ".." );
         valueBuilder.prototype().id().set( "" );
         valueBuilder.prototype().text().set( "USER NOT A PROXY USER" );

         builder.addLink(valueBuilder.newInstance());

         return builder.newLinks();
      }

      ProxyUser proxyUser = (ProxyUser) authentication;
      Organization organization = proxyUser.organization().get();

      AccessPoints.Data data = (AccessPoints.Data) organization;

      LinksBuilder linksBuilder = new LinksBuilder( module.valueBuilderFactory() );
      linksBuilder.rel("accesspoint");

      linksBuilder.addDescribables( Iterables.filter(new Specification<AccessPoint>()
      {
         public boolean satisfiedBy(AccessPoint item)
         {
            // AccessPoint needs to have forms in order to be valid
            return ((SelectedForms.Data)item).selectedForms().count() > 0;
         }
      }, data.accessPoints()));

      return linksBuilder.newLinks();
   }
}