/*
    * Copyright 2013 smartics, Kronseder & Reiner GmbH
    *
    * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
    *
   * 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 de.smartics.properties.admin.resources.representation.html;
  
  import static de.smartics.properties.admin.domain.model.AppRelations.DESCRIPTOR;
  
  import java.io.OutputStream;
  import java.net.URI;
  import java.util.List;
  import java.util.Locale;
  
  import org.apache.commons.lang3.StringUtils;
  
  import de.smartics.html5.jatl.HtmlResourceContext;
  import de.smartics.properties.admin.domain.model.PropertyDescriptors;
  import de.smartics.properties.admin.resources.controller.PropertyDescriptorResource;
  import de.smartics.properties.admin.resources.representation.html.share.AbstractHtmlRepresentationRenderer;
  import de.smartics.properties.api.core.domain.PropertyDescriptor;
  import de.smartics.properties.api.core.domain.PropertyKey;
  import de.smartics.properties.api.core.domain.PropertySetProjectdoc;
  import de.smartics.resteasy.hypermedia.renderer.LinkDescriptor;
  
  /**
   * Displays the list of property descriptors belonging to a selected
   * configuration in an HTML page.
   */
  public final class PropertyDescriptorsHtmlRepresentationRenderer extends
      AbstractHtmlRepresentationRenderer<PropertyDescriptors>
  {
    // ********************************* Fields *********************************
  
    // --- constants ------------------------------------------------------------
  
    /**
     * The title to the page.
     */
    private static final String TITLE = "Property Descriptors";
  
    // --- members --------------------------------------------------------------
  
    /**
     * The domain object to render.
     */
    private final PropertyDescriptors domainObject;
  
    // ****************************** Initializer *******************************
  
    // ****************************** Constructors ******************************
  
    /**
     * Default constructor.
     *
     * @param htmlContext the context information to render the representation.
     * @param domainObject the domain object to render.
     * @param entityStream the stream to write to.
     */
    public PropertyDescriptorsHtmlRepresentationRenderer(
        final HtmlResourceContext htmlContext,
        final PropertyDescriptors domainObject, final OutputStream entityStream)
    {
      super(htmlContext, entityStream);
      this.domainObject = domainObject;
    }
  
    // ****************************** Inner Classes *****************************
  
    // ********************************* Methods ********************************
  
    // --- init -----------------------------------------------------------------
  
    // --- get&set --------------------------------------------------------------
  
    @Override
    protected String getTitle()
    {
      return TITLE;
    }
  
    // --- business -------------------------------------------------------------
  
    @Override
    protected void bodyContents()
    {
      renderPageTitle(">>>");
  
      html.p()
         .text(
             "The following list shows the property descriptors registered in the application.")
         .end();
 
     renderRegistry();
   }
 
   private void renderRegistry()
   {
     for (final String propertySet : domainObject.getPropertyKeys())
     {
       final List<PropertyDescriptor> descriptors =
           domainObject.get(propertySet);
 
       html.h2().text(propertySet).end();
       html.table().classAttr("table table-striped descriptors");
 
       if (!descriptors.isEmpty())
       {
         final Locale locale =
             this.htmlContext.getContext().getResponse().getLocale();
         final PropertyDescriptor descriptor = descriptors.get(0);
         final PropertySetProjectdoc projectdoc =
             descriptor.getDocumentMetaDataProjectSet(locale);
         final String comment = projectdoc.getComment();
         if (StringUtils.isNotBlank(comment))
         {
           html.raw(comment);
         }
       }
 
       html.tr();
       html.th().classAttr("no").text("#").end();
       html.th().classAttr("descriptorName").text("Name").end();
       html.th().classAttr("download").text("Download").end();
       html.end();
       int counter = 0;
       for (final PropertyDescriptor descriptor : descriptors)
       {
         counter++;
         renderRow(counter, descriptor);
       }
       html.end();
     }
   }
 
   private void renderRow(final int counter, final PropertyDescriptor descriptor)
   {
     final PropertyKey key = descriptor.getKey();
     final String keyString = key.toString();
     html.tr();
     html.td().text(String.valueOf(counter)).end();
 
     final URI url = createUrl(keyString);
     html.td();
     html.a().id(keyString).rel(DESCRIPTOR).href(url.toString())
         .text(key.getName()).end();
     html.end();
     html.td();
     final URI downloadUrl = createDownloadUrl(keyString);
     html.a().id(keyString + "asXml").rel(DESCRIPTOR)
         .href(downloadUrl.toString()).icon("icon-download-alt").text("XML")
         .end();
     html.end();
     html.end();
   }
 
   private URI createUrl(final String key)
   {
     final URI url =
         htmlContext.getContext().getUriInfo().getBaseUriBuilder()
             .path(PropertyDescriptorResource.class, "getAsHtml")
             .build(new Object[] { key }, false);
     return url;
   }
 
   private URI createDownloadUrl(final String key)
   {
     final URI url =
         htmlContext.getContext().getUriInfo().getBaseUriBuilder()
             .path(PropertyDescriptorResource.class, "getAsDotXml")
             .build(new Object[] { key }, false);
     return url;
   }
 
   @Override
   protected List<LinkDescriptor> breadcrumbLinks()
   {
     return breadcrumb.descriptors();
   }
 
   // --- object basics --------------------------------------------------------
 
 }