package fr.ifremer.reefdb.ui.swing.content.manage.referential.unit.local;
   
   /*
    * #%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.base.Function;
  import com.google.common.collect.Lists;
  import fr.ifremer.reefdb.decorator.DecoratorService;
  import fr.ifremer.reefdb.dto.ReefDbBeans;
  import fr.ifremer.reefdb.dto.referential.UnitDTO;
  import fr.ifremer.reefdb.ui.swing.action.AbstractReefDbAction;
  import fr.ifremer.reefdb.ui.swing.util.ReefDbUIs;
  import org.apache.commons.collections4.CollectionUtils;
  
  import javax.annotation.Nullable;
  import java.util.List;
  import java.util.Set;
  
  import static org.nuiton.i18n.I18n.t;
  
  /**
   * Action permettant de delete un unit local
   */
  public class DeleteUnitAction extends AbstractReefDbAction<ReferentialUnitsLocalUIModel, ReferentialUnitsLocalUI, ReferentialUnitsLocalUIHandler> {
  
      Set<? extends UnitDTO> toDelete;
      boolean deleteOk = false;
  
      /**
       * Constructor.
       *
       * @param handler Le controleur
       */
      public DeleteUnitAction(final ReferentialUnitsLocalUIHandler handler) {
          super(handler, false);
      }
  
      /** {@inheritDoc} */
      @Override
      public boolean prepareAction() throws Exception {
  
          toDelete = getModel().getSelectedRows();
  
          List<String> names = ReefDbBeans.transformCollection(toDelete, new Function<UnitDTO, String>() {
              @Nullable
              @Override
              public String apply(UnitDTO input) {
                  return decorate(input, DecoratorService.WITH_SYMBOL);
              }
          });
          return super.prepareAction()
                  && CollectionUtils.isNotEmpty(toDelete)
                  && askBeforeDeleteMany(
                  t("reefdb.action.delete.unit.title"),
                  t("reefdb.action.delete.unit.message"),
                  names);
  
      }
  
      /** {@inheritDoc} */
      @Override
      public void doAction() {
  
          // check usage
          List<String> used = Lists.newArrayList();
          for (UnitDTO unit : toDelete) {
              if (unit.getId() != null) {
                  if (getContext().getReferentialService().isUnitUsedInData(unit.getId())) {
                      used.add(decorate(unit, DecoratorService.WITH_SYMBOL));
                  }
              }
          }
          if (!used.isEmpty()) {
              getContext().getDialogHelper().showErrorDialog(
                      t("reefdb.action.delete.referential.used.title"),
                      ReefDbUIs.getHtmlString(used),
                      t("reefdb.action.delete.referential.used.data.message"));
              return;
          }
 
         for (UnitDTO unit : toDelete) {
             if (unit.getId() != null) {
                 if (getContext().getReferentialService().isUnitUsedInReferential(unit.getId())) {
                     used.add(decorate(unit, DecoratorService.WITH_SYMBOL));
                 }
             }
         }
         if (!used.isEmpty()) {
             getContext().getDialogHelper().showErrorDialog(
                     t("reefdb.action.delete.referential.used.title"),
                     ReefDbUIs.getHtmlString(used),
                     t("reefdb.action.delete.referential.used.referential.message"));
             return;
         }
 
         // apply delete
         getContext().getReferentialService().deleteUnits(ReefDbBeans.collectIds(toDelete));
         deleteOk = true;
     }
 
     /** {@inheritDoc} */
     @Override
     public void postSuccessAction() {
 
         if (deleteOk) {
             getModel().deleteSelectedRows();
             getUI().getMenuUI().getHandler().reloadComboBox();
         }
 
         super.postSuccessAction();
     }
 
     /** {@inheritDoc} */
     @Override
     protected void releaseAction() {
         deleteOk = false;
         super.releaseAction();
     }
 }