/**
    * This file Copyright (c) 2017 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.virtualuri;
  
  import info.magnolia.config.registry.AbstractRegistry;
  import info.magnolia.config.registry.DefinitionMetadataBuilder;
  import info.magnolia.config.registry.DefinitionProvider;
  import info.magnolia.config.registry.DefinitionProviderProblemLogger;
  import info.magnolia.config.registry.DefinitionProviderWrapper;
  import info.magnolia.config.registry.DefinitionType;
  import info.magnolia.module.ModuleRegistry;
  import info.magnolia.virtualuri.compatibility.VirtualUriMappingAdapter;
  
  import javax.inject.Inject;
  import javax.inject.Singleton;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Registry for {@link VirtualUriMapping VirtualUriMappings}.
   */
  @Singleton
  public class VirtualUriRegistry extends AbstractRegistry<VirtualUriMapping> {
      private static final Logger log = LoggerFactory.getLogger(VirtualUriRegistry.class);
  
      static final DefinitionType TYPE = new DefinitionType() {
          @Override
          public String name() {
              return "virtualUriMapping";
          }
  
          @Override
          public Class baseClass() {
              return VirtualUriMapping.class;
          }
      };
  
      @Inject
      public VirtualUriRegistry(ModuleRegistry moduleRegistry) {
          super(moduleRegistry);
      }
  
      @Override
      public DefinitionType type() {
          return TYPE;
      }
  
      @Override
      public DefinitionMetadataBuilder newMetadataBuilder() {
          return DefinitionMetadataBuilder.usingModuleAndRelativePathAsId();
      }
  
      @Override
      protected DefinitionProvider<VirtualUriMapping> onRegister(DefinitionProvider<VirtualUriMapping> provider) {
          return super.onRegister(newVirtualMappingProvider(provider));
      }
  
      private DefinitionProvider<VirtualUriMapping> newVirtualMappingProvider(DefinitionProvider<VirtualUriMapping> provider) {
  
          if (provider.isValid()) {
              if (provider.get() instanceof info.magnolia.cms.beans.config.VirtualURIMapping) {
                  provider = new VirtualUriMappingCompatibilityProvider(provider);
              }
  
              VirtualUriMappingProvider validatingProvider = new VirtualUriMappingProvider(provider);
  
              // Need to validate again base on VirtualUriMapping itself
             if (!validatingProvider.isValid()) {
 
                 provider.getProblems().add(
                         DefinitionProvider.Problem
                                 .minor()
                                 .withDetails(String.format("Config for %s is incomplete, mapping is disabled.", provider.get()))
                                 .withType(DefinitionProvider.Problem.DefaultTypes.SEMANTIC)
                                 .withTitle("VirtualUriMapping problem")
                                 .build());
 
                 DefinitionProviderProblemLogger
                         .withLoggingContext(log, true)
                         .logProblems(provider);
             }
         }
 
         return provider;
     }
 
 
     /**
      * Compatibility mapping provider for old {@link info.magnolia.cms.beans.config.VirtualURIMapping}.
      */
     static class VirtualUriMappingCompatibilityProvider extends DefinitionProviderWrapper<VirtualUriMapping> {
 
         VirtualUriMappingCompatibilityProvider(DefinitionProvider oldProvider) {
             super(oldProvider);
         }
 
         @Override
         public VirtualUriMapping get() throws InvalidDefinitionException {
             return new VirtualUriMappingAdapter((info.magnolia.cms.beans.config.VirtualURIMapping) super.get());
         }
     }
 
     /**
      * Mapping provider for validating VirtualUriMapping.
      */
     static class VirtualUriMappingProvider extends DefinitionProviderWrapper<VirtualUriMapping> {
 
         protected VirtualUriMappingProvider(DefinitionProvider<VirtualUriMapping> delegate) {
             super(delegate);
         }
 
         @Override
         public boolean isValid() {
             return super.isValid() && get().isValid();
         }
     }
 }