/**
    * This file Copyright (c) 2019 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.dialog.actions;
  
  import info.magnolia.config.registry.Registry;
  import info.magnolia.context.Context;
  import info.magnolia.ui.api.action.AbstractAction;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.contentapp.browser.context.ValueContext;
  import info.magnolia.ui.dialog.DialogDefinition;
  import info.magnolia.ui.dialog.DialogDefinitionRegistry;
  import info.magnolia.ui.dialog.DialogHelper;
  import info.magnolia.ui.dialog.FormDialogDefinition;
  import info.magnolia.ui.field.EditorPropertyDefinition;
  import info.magnolia.ui.form.LocaleContext;
  import info.magnolia.ui.framework.UiFrameworkView;
  import info.magnolia.ui.framework.databinding.view.EditorView;
  
  import java.util.stream.Collectors;
  
  import javax.inject.Inject;
  
  /**
   * Opens a dialog.
   */
  public class OpenDialogAction<T> extends AbstractAction<OpenDialogActionDefinition> {
  
      private final UiFrameworkView parentView;
      private final DialogDefinitionRegistry dialogDefinitionRegistry;
      private final ValueContext<T> valueContext;
      private final LocaleContext localeContext;
      private final Context mgnlContext;
  
      @Inject
      public OpenDialogAction(OpenDialogActionDefinition definition,
                              ValueContext<T> valueContext,
                              LocaleContext localeContext,
                              UiFrameworkView parentView,
                              DialogDefinitionRegistry dialogDefinitionRegistry,
                              Context mgnlContext) {
          super(definition);
          this.valueContext = valueContext;
          this.localeContext = localeContext;
          this.parentView = parentView;
          this.dialogDefinitionRegistry = dialogDefinitionRegistry;
          this.mgnlContext = mgnlContext;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          try {
              DialogDefinition dialogDefinition = dialogDefinitionRegistry.getProvider(getDefinition().getDialogId()).get();
              if (dialogDefinition instanceof FormDialogDefinition) {
                  FormDialogDefinition<T> formDialogDefinition = (FormDialogDefinition) dialogDefinition;
                  EditorView<T> form = parentView.create(formDialogDefinition.getForm());
                  valueContext.getSingle().ifPresent(form::populate);
  
                  new DialogHelper()
                          .withActions(formDialogDefinition.getActions())
                          .withLayoutDefinition(formDialogDefinition.getFooterLayout())
                          .withContent(form)
                          .withCaption(dialogDefinition.getLabel())
                          .withItems(valueContext.get().collect(Collectors.toList()))
                          .withLocaleContext(formDialogDefinition.getForm().getProperties().stream()
                                  .filter(EditorPropertyDefinition::isI18n)
                                  .findFirst()
                                  .map(any -> localeContext)
                                  .orElse(null)
                         )
                         .withUserLanguage(mgnlContext::getLocale)
                         .buildAndOpen();
 
             } else {
                 throw new ActionExecutionException(String.format("Expected instance of %s but got %s", FormDialogDefinition.class, dialogDefinition));
             }
         } catch (Registry.InvalidDefinitionException | Registry.NoSuchDefinitionException e) {
             throw new ActionExecutionException(e);
         }
     }
 }