package fr.ifremer.reefdb.ui.swing.content.observation.photo;
   
   /*
    * #%L
    * Reef DB :: UI
    * $Id:$
    * $HeadURL:$
    * %%
    * Copyright (C) 2014 - 2015 Ifremer
   * %%
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   * #L%
   */
  
  import com.google.common.collect.ImmutableList;
  import fr.ifremer.quadrige3.core.service.http.HttpNotFoundException;
  import fr.ifremer.reefdb.service.ReefDbBusinessException;
  import fr.ifremer.reefdb.service.ReefDbServiceLocator;
  import fr.ifremer.reefdb.ui.swing.action.AbstractReefDbAction;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  
  import java.util.Collection;
  import java.util.List;
  import java.util.Optional;
  import java.util.stream.Collectors;
  
  import static org.nuiton.i18n.I18n.t;
  
  /**
   * Download action.
   */
  public class DownloadAction extends AbstractReefDbAction<PhotosTabUIModel, PhotosTabUI, PhotosTabUIHandler> {
  
      private static final Log LOG = LogFactory.getLog(DownloadAction.class);
      private boolean allDownloaded;
      private Collection<PhotosTableRowModel> toDownload;
  
      /**
       * Constructor.
       *
       * @param handler Controller
       */
      public DownloadAction(PhotosTabUIHandler handler) {
          super(handler, false);
          setActionDescription(t("reefdb.photo.download.tip"));
      }
  
      public Collection<PhotosTableRowModel> getToDownload() {
          return Optional.ofNullable(toDownload).orElse(getModel().getSelectedRows());
      }
  
      public void setToDownload(PhotosTableRowModel toDownload) {
          this.toDownload = ImmutableList.of(toDownload);
      }
  
      public void setToDownload(Collection<PhotosTableRowModel> toDownload) {
          this.toDownload = toDownload;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public boolean prepareAction() throws Exception {
          return super.prepareAction() && !getToDownload().isEmpty() && getToDownload().stream().anyMatch(PhotosTableRowModel::isFileDownloadable);
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void doAction() throws Exception {
  
          allDownloaded = true;
          createProgressionUIModel();
          List<PhotosTableRowModel> downloadablePhotos = getToDownload().stream().filter(PhotosTableRowModel::isFileDownloadable).collect(Collectors.toList());
          int nbPhotos = downloadablePhotos.size();
          int nPhoto = 0;
  
          for (PhotosTableRowModel photo: downloadablePhotos) {
  
              try {
                  getProgressionUIModel().setMessage(String.format("%s / %s", ++nPhoto, nbPhotos));
                  boolean downloaded = ReefDbServiceLocator.instance().getSynchroRestClientService().downloadPhoto(
                          getContext().getAuthenticationInfo(),
                          photo.getRemoteId(),
                          photo.getFullPath(),
                         getProgressionUIModel()
                 );
                 if (!downloaded) {
                     LOG.warn(String.format("the photo %s was not download, but without exception", photo.getName()));
                 }
                 allDownloaded &= downloaded;
 
             } catch (HttpNotFoundException e) {
                 throw new ReefDbBusinessException(t("reefdb.photo.download.notFound", photo.getName()));
             }
 
         }
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void postSuccessAction() {
 
         if (!allDownloaded)
             getContext().getDialogHelper().showErrorDialog(t("reefdb.photo.download.error"));
 
         getHandler().updatePhotoViewerContent(false);
         getUI().invalidate();
         getUI().repaint();
         // update buttons states
         getUI().processDataBinding(PhotosTabUI.BINDING_EXPORT_PHOTO_BUTTON_ENABLED);
         getUI().processDataBinding(PhotosTabUI.BINDING_DOWNLOAD_PHOTO_BUTTON_ENABLED);
 
         super.postSuccessAction();
     }
 
 }