/**
    * This file Copyright (c) 2013-2018 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.ui.mediaeditor.action;
  
  import info.magnolia.event.EventBus;
  import info.magnolia.objectfactory.ComponentProvider;
  import info.magnolia.ui.ValueContext;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.availability.AvailabilityChecker;
  import info.magnolia.ui.dialog.ActionButton;
  import info.magnolia.ui.dialog.ActionExecution;
  import info.magnolia.ui.mediaeditor.MediaEditorEventBus;
  import info.magnolia.ui.mediaeditor.MediaEditorView;
  import info.magnolia.ui.mediaeditor.data.MediaState;
  import info.magnolia.ui.mediaeditor.field.MediaField;
  import info.magnolia.ui.mediaeditor.provider.MediaEditorActionDefinition;
  
  import java.util.Iterator;
  import java.util.List;
  
  import javax.inject.Named;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.vaadin.ui.Component;
  
  /**
   * Updates media editor UI in order to perform certain modification
   * on the media data.
   */
  public abstract class MediaEditorUIAction extends MediaEditorAction {
      private static final Logger log = LoggerFactory.getLogger(MediaEditorUIAction.class);
  
      protected MediaEditorView view;
  
      public MediaEditorUIAction(MediaEditorActionDefinition definition,
                                 MediaEditorView view,
                                 ValueContext<MediaState> valueContext,
                                 @Named(MediaEditorEventBus.NAME) EventBus eventBus) {
          super(definition, valueContext, eventBus);
          this.view = view;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          MediaField newMediaField = createMediaField();
          if (newMediaField != null) {
              view.clearActions();
              view.setMediaContent(newMediaField);
              view.setToolbar(getStatusControls());
  
              List<ActionContext> actionContexts = getActionContextList();
              Iterator<ActionContext> it = actionContexts.iterator();
              boolean defaultIsSet = false;
              while (it.hasNext()) {
                  ActionContext action = it.next();
                  ComponentProvider componentProvider = view.getComponentProvider();
                  final ValueContext<Object> valueContext = view.bindContext(ValueContext.class);
                  final ActionExecution<?> actionExecution = new ActionExecution<Object>(action.getDefinition(), componentProvider) {
                      @Override
                      public void execute() {
                          action.getListener().onActionFired(getDefinition().getName());
                      }
                  };
                  AvailabilityChecker<?> availabilityChecker = (anyDef, anyItems) -> true;
                  ActionButton<?> actionButton = componentProvider.newInstance(ActionButton.class, valueContext, actionExecution, availabilityChecker);
                  view.getEditorActionLayout().addPrimaryAction(actionButton);
                 if (!defaultIsSet) {
                     actionButton.addStyleNames("default commitState", "commit v-button-commit");
                     defaultIsSet = true;
                 }
             }
             newMediaField.setValue(valueContext.getSingleOrThrow().getState());
         } else {
             log.warn("Provider did not provide any content UI ");
         }
 
     }
 
     protected abstract List<ActionContext> getActionContextList();
 
     protected abstract Component getStatusControls();
 
     protected abstract MediaField createMediaField();
 
 }