/**
    * 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 static java.util.stream.Collectors.toList;
  
  import info.magnolia.config.registry.Registry;
  import info.magnolia.i18nsystem.I18nizer;
  import info.magnolia.ui.CloseHandler;
  import info.magnolia.ui.UIComponent;
  import info.magnolia.ui.ValueContext;
  import info.magnolia.ui.api.action.AbstractAction;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.api.i18n.I18NAuthoringSupport;
  import info.magnolia.ui.dialog.ActionExecution;
  import info.magnolia.ui.dialog.DialogBuilder;
  import info.magnolia.ui.dialog.DialogDefinition;
  import info.magnolia.ui.dialog.DialogDefinitionRegistry;
  import info.magnolia.ui.dialog.EditorActionBar;
  import info.magnolia.ui.dialog.FormDialogDefinition;
  import info.magnolia.ui.editor.EditorView;
  import info.magnolia.ui.editor.LocaleContext;
  import info.magnolia.ui.field.LocaleSelector;
  
  import java.util.List;
  
  import javax.inject.Inject;
  
  import com.vaadin.ui.Window;
  
  /**
   * Opens a dialog.
   */
  public class OpenDialogAction<T> extends AbstractAction<OpenDialogActionDefinition> {
  
      private final UIComponent parentView;
      private final I18NAuthoringSupport<T> i18NAuthoringSupport;
      private final DialogDefinitionRegistry dialogDefinitionRegistry;
      private final LocaleContext localeContext;
      private final ValueContext<T> valueContext;
      private final I18nizer i18nizer;
  
      @Inject
      public OpenDialogAction(OpenDialogActionDefinition definition,
                              LocaleContext localeContext,
                              ValueContext<T> valueContext,
                              UIComponent parentView,
                              I18NAuthoringSupport<T> i18NAuthoringSupport,
                              DialogDefinitionRegistry dialogDefinitionRegistry,
                              I18nizer i18nizer) {
          super(definition);
          this.localeContext = localeContext;
          this.valueContext = valueContext;
          this.parentView = parentView;
          this.i18NAuthoringSupport = i18NAuthoringSupport;
          this.dialogDefinitionRegistry = dialogDefinitionRegistry;
          this.i18nizer = i18nizer;
      }
  
      @Override
      public void execute() throws ActionExecutionException {
          try {
              DialogDefinition dialogDefinition = getDialogDefinition(dialogDefinitionRegistry, i18nizer);
              if (dialogDefinition instanceof FormDialogDefinition) {
                  valueContext.getSingle().ifPresent(item -> {
                      if (!localeContext.isPopulated()) {
                          localeContext.populateFromI18NAuthoringSupport(item, i18NAuthoringSupport);
                      }
                 });
 
                 FormDialogDefinition<T> formDialogDefinition = (FormDialogDefinition) dialogDefinition;
                 EditorView<T> form = parentView.create(formDialogDefinition.getForm());
 
                 if (getDefinition().isPopulate()) {
                     populate(form);
                 }
 
                 List<ActionExecution<T>> actionExecutions =
                         ActionExecution.<T>fromDefinitions(dialogDefinition.getActions().values(), form.getComponentProvider())
                                 .collect(toList());
 
                 Window dialog = new DialogBuilder()
                         .withTitle(dialogDefinition.getLabel())
                         .withContent(form.asVaadinComponent())
                         .withShortcuts(actionExecutions)
                         .light(dialogDefinition.isLight())
                         .withFooter(configureFooter(formDialogDefinition, actionExecutions, form).layout())
                         .buildAndOpen();
 
                 CloseHandler closeHandler = getCloseHandler(dialog);
                 dialog.addCloseListener((Window.CloseListener) e -> closeHandler.close());
                 form.bindInstance(CloseHandler.class, closeHandler);
             }
         } catch (Registry.InvalidDefinitionException | Registry.NoSuchDefinitionException e) {
             throw new ActionExecutionException(e);
         }
     }
 
     protected void populate(EditorView<T> form) {
         valueContext.getSingle().ifPresent(form::populate);
     }
 
     protected EditorActionBar<T> configureFooter(FormDialogDefinition<T> dialogDefinition, List<ActionExecution<T>> actionExecutions, EditorView<T> form) {
         EditorActionBar<T> editorActionBar = form.create(EditorActionBar.class);
                 editorActionBar
                 .withActions(actionExecutions)
                 .withLayoutDefinition(dialogDefinition.getFooterLayout());
 
         if (dialogDefinition.getForm().hasI18NProperties()) {
             LocaleSelector localeSelector = form.create(LocaleSelector.class);
             editorActionBar = editorActionBar.withLabeledControl("localeSelector", localeSelector);
         }
         return editorActionBar;
     }
 
     protected CloseHandler getCloseHandler(Window dialog) {
         return dialog::close;
     }
 
     protected DialogDefinition getDialogDefinition(DialogDefinitionRegistry dialogDefinitionRegistry, I18nizer i18nizer) {
         return i18nizer.decorate(dialogDefinitionRegistry.getProvider(getDefinition().getDialogId()).get());
     }
 
     protected ValueContext<T> getValueContext() {
         return valueContext;
     }
 }