/**
    * This file Copyright (c) 2014-2015 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.dam.core.config;
  
  import info.magnolia.dam.api.AssetProvider;
  import info.magnolia.dam.api.AssetRenderer;
  import info.magnolia.module.ModuleLifecycle;
  import info.magnolia.module.ModuleLifecycleContext;
  import info.magnolia.voting.Voter;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.Iterator;
  import java.util.List;
  
  import org.apache.commons.lang3.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Configuration singleton of the dam-core module.
   * This bean is used to:
   * - configure the download servlet
   * - register the asset providers
   * - register the asset renderers
   */
  public class DamCoreConfiguration implements ModuleLifecycle {
      private static final Logger log = LoggerFactory.getLogger(DamCoreConfiguration.class);
  
      private Voter contentDisposition;
      private boolean enforceDocumentMimeType = false;
  
      private String downloadPath = "/dam/";
      private List<AssetProvider> providers = Collections.emptyList();
      private List<AssetRenderer> renderers = Collections.emptyList();
  
      // TODO does this need to be voters ? Document and fix
      public void setContentDisposition(Voter contentDisposition) {
          this.contentDisposition = contentDisposition;
      }
  
      public Voter getContentDisposition() {
          return contentDisposition;
      }
  
      public boolean isEnforceDocumentMimeType() {
          return this.enforceDocumentMimeType;
      }
  
      public void setEnforceDocumentMimeType(boolean enforceDocumentMimeType) {
          this.enforceDocumentMimeType = enforceDocumentMimeType;
      }
  
      public List<AssetProvider> getProviders() {
          return providers;
      }
  
      public void setProviders(List<AssetProvider> providers) {
          this.providers = providers;
      }
  
      public List<AssetRenderer> getRenderers() {
          return renderers;
      }
  
      public void setRenderers(List<AssetRenderer> renderers) {
          this.renderers = renderers;
      }
 
     public String getDownloadPath() {
         return downloadPath;
     }
 
     public void setDownloadPath(final String downloadPath) {
         this.downloadPath = downloadPath;
     }
 
     /**
      * Validates the configured providers, and ignore those where no identifier is defined, or when two providers attempt to use the same identifier.
      */
     @Override
     public void start(ModuleLifecycleContext moduleLifecycleContext) {
 
         List<String> ids = new ArrayList<String>();
         Iterator<AssetProvider> iterator = providers.iterator();
         while (iterator.hasNext()) {
             AssetProvider provider = iterator.next();
 
             if (StringUtils.isEmpty(provider.getIdentifier())) {
                 log.warn("Trying to register an AssetProvider without an identifier: {}", provider);
                 iterator.remove();
                 continue;
             }
             if (ids.contains(provider.getIdentifier())) {
                 log.warn("Trying to register an AssetProvider with an existing identifier: {}", provider.getIdentifier());
                 iterator.remove();
                 continue;
             }
             ids.add(provider.getIdentifier());
         }
         // TODO validate renderers too ?
     }
 
     @Override
     public void stop(ModuleLifecycleContext moduleLifecycleContext) {
     }
 
 }