/**
    * This file Copyright (c) 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.contentapp.action;
  
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.i18nsystem.util.MessageFormatterUtils;
  import info.magnolia.ui.api.action.AbstractAction;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.api.context.UiContext;
  import info.magnolia.ui.api.overlay.ConfirmationCallback;
  import info.magnolia.ui.contentapp.browser.ActionExecutionService;
  import info.magnolia.ui.ValueContext;
  import info.magnolia.ui.vaadin.overlay.MessageStyleTypeEnum;
  
  import java.util.Collection;
  import java.util.stream.Stream;
  
  import javax.inject.Inject;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import lombok.AccessLevel;
  import lombok.Getter;
  
  /**
   * Configurable confirmation action. Can be used to intercept the actual action with user feedback.
   * Allows configuration of a success action and a cancel action.
   *
   * @param <D> {@link ConfirmationActionDefinition}.
   * @param <T> item type.
   */
  @Getter(AccessLevel.PROTECTED)
  public class ConfirmationAction<D extends ConfirmationActionDefinition, T> extends AbstractAction<D> {
  
      private static final Logger log = LoggerFactory.getLogger(ConfirmationAction.class);
  
      private final SimpleTranslator simpleTranslator;
      private final ValueContext<T> valueContext;
      private final UiContext uiContext;
      private final ActionExecutionService actionExecutionService;
  
      @Inject
      public ConfirmationAction(D definition, UiContext uiContext, ActionExecutionService actionExecutionService, SimpleTranslator i18n, ValueContext valueContext) {
          super(definition);
          this.valueContext = valueContext;
          this.uiContext = uiContext;
          this.actionExecutionService = actionExecutionService;
          this.simpleTranslator = i18n;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          try {
              uiContext.openConfirmation(
                      MessageStyleTypeEnum.WARNING, getConfirmationHeader(), getConfirmationMessage(), getDefinition().getProceedLabel(), getDefinition().getCancelLabel(), getDefinition().isDefaultCancel(),
                      new ConfirmationCallback() {
                          @Override
                          public void onSuccess() {
                              if (getDefinition().getSuccessActionName() != null) {
                                  actionExecutionService.executeAction(getDefinition().getSuccessActionName(), valueContext.current().nullableValue());
                              }
                          }
  
                          @Override
                          public void onCancel() {
                              if (getDefinition().getCancelActionName() != null) {
                                  actionExecutionService.executeAction(getDefinition().getCancelActionName(), valueContext.current().nullableValue());
                             }
                         }
                     });
         } catch (Exception e) {
             throw new ActionExecutionException(e);
         }
     }
 
     protected String getConfirmationHeader() {
         return formatMessage(getDefinition().getConfirmationHeader());
     }
 
     protected String getConfirmationMessage() {
         return formatMessage(getDefinition().getConfirmationMessage());
     }
 
     private String formatMessage(final String message) {
         long howMany = valueContext.current().value().map(Collection::stream).map(Stream::count).orElse(0L);
         return MessageFormatterUtils.format(message, howMany, howMany);
     }
 }