/**
    * This file Copyright (c) 2015-2017 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.cache.browser.app;
  
  import info.magnolia.cache.browser.rest.client.CacheService;
  import info.magnolia.module.cache.cachekey.CacheKey;
  import info.magnolia.ui.vaadin.integration.jcr.DefaultProperty;
  
  import java.lang.reflect.InvocationTargetException;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.commons.beanutils.BeanUtils;
  import org.apache.commons.lang3.StringUtils;
  
  import com.vaadin.v7.data.Item;
  import com.vaadin.v7.data.Property;
  
  /**
   * Vaadin {@link Item} extension for {@link CacheKey}.
   */
  public class CacheKeyItem implements Item {
  
      public static final String PROPERTY_LOCATION = "locations";
      public static final String PROPERTY_CACHE_NAME = "cacheName";
      public static final String PROPERTY_EXTENSION = "extension";
  
      private CacheKey cacheKey;
  
      private Map<String, CacheService> cacheServices = new HashMap<>();
  
      private String cacheName;
  
      public CacheKeyItem(String cacheName, CacheKey cacheKey) {
          this.cacheName = cacheName;
          this.cacheKey = cacheKey;
      }
  
      @Override
      public Property<?> getItemProperty(Object id) {
          if (PROPERTY_LOCATION.equals(id)) {
              return new DefaultProperty<>(StringUtils.join(cacheServices.keySet(), ", "));
          } else if (PROPERTY_CACHE_NAME.equals(id)) {
              return new DefaultProperty<>(cacheName);
          } else if (PROPERTY_EXTENSION.equals(id)) {
              String uri;
              try {
                  uri = BeanUtils.getProperty(cacheKey, "uri");
                  String extension = StringUtils.substringAfterLast(uri, ".");
                  return new DefaultProperty<>(extension);
              } catch (IllegalAccessException | NoSuchMethodException | InvocationTargetException e) {
                  // ignore
              }
          } else {
              try {
                  String str = BeanUtils.getProperty(cacheKey, id.toString());
                  if (StringUtils.isBlank(str)) {
                      return null;
                  }
                  return new DefaultProperty<>(BeanUtils.getProperty(cacheKey, id.toString()));
              } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
                  // ignore
              }
          }
          return null;
      }
 
     @Override
     public Collection<?> getItemPropertyIds() {
         return Collections.emptyList();
     }
 
     @Override
     public boolean addItemProperty(Object id, Property property) throws UnsupportedOperationException {
         throw new UnsupportedOperationException();
     }
 
     @Override
     public boolean removeItemProperty(Object id) throws UnsupportedOperationException {
         throw new UnsupportedOperationException();
     }
 
     public void addCacheService(String name, CacheService cacheService) {
         cacheServices.put(name, cacheService);
     }
 
     public CacheKey getItemId() {
         return cacheKey;
     }
 
     public Map<String, CacheService> getCacheServices() {
         return cacheServices;
     }
 
     public String getCacheName() {
         return cacheName;
     }
 
     @Override
     public boolean equals(Object obj) {
         if (obj == null) {
             return false;
         }
         if (!(obj instanceof CacheKeyItem)) {
             return false;
         }
         if (!cacheName.equals(((CacheKeyItem) obj).getCacheName())) {
             return false;
         }
         return cacheKey.equals(((CacheKeyItem) obj).getItemId());
     }
 
     @Override
     public int hashCode() {
         return cacheKey.hashCode() + cacheName.hashCode();
     }
 }