/**
    * This file Copyright (c) 2020 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.chooser;
  
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.icons.MagnoliaIcons;
  import info.magnolia.ui.UIComponent;
  import info.magnolia.ui.filter.DataFilter;
  import info.magnolia.ui.filter.FilterContext;
  import info.magnolia.ui.theme.ResurfaceTheme;
  
  import javax.inject.Inject;
  
  import org.apache.commons.lang3.StringUtils;
  
  import com.vaadin.data.HasValue;
  import com.vaadin.ui.Button;
  import com.vaadin.ui.HorizontalLayout;
  import com.vaadin.ui.TextField;
  
  /**
   * An extension view (which is enabled by default) to support full text search on {@link info.magnolia.ui.contentapp.browser.ContentViews}
   */
  public class FullTextSearchView extends HorizontalLayout implements UIComponent {
  
      private final FilterContext filterContext;
      private final SimpleTranslator i18n;
  
      @Inject
      public FullTextSearchView(FilterContext filterContext, SimpleTranslator i18n) {
          this.filterContext = filterContext;
          this.i18n = i18n;
          setStyleName("full-text-search");
          init();
      }
  
      protected void init() {
          Button searchButton = new Button(MagnoliaIcons.SEARCH);
          searchButton.addStyleName(ResurfaceTheme.BUTTON_ICON);
  
          TextField searchField = new TextField();
          searchField.addStyleName("fts-field");
          searchField.addValueChangeListener((HasValue.ValueChangeListener<String>) event -> {
              DataFilter DataFilter = filterContext.getFilter().value().orElse(new DataFilter());
              dataFilter.setFullTextSearchStatement(event.getValue());
              filterContext.getFilter().set(dataFilter, true);
          });
          searchField.setVisible(false);
          searchField.setPlaceholder(i18n.translate("dialogs.chooseDialog.fts.placeholder"));
  
          Button cleanText = new Button(MagnoliaIcons.CLOSE);
          cleanText.addStyleName("clear-search-button");
          cleanText.setVisible(false);
  
          setUpListeners(searchButton, searchField, cleanText);
  
          this.addComponents(searchButton, searchField, cleanText);
      }
  
      private void setUpListeners(Button searchButton, TextField searchField, Button cleanText) {
          searchButton.addClickListener((Button.ClickListener) event -> {
              boolean visible = !searchField.isVisible();
              searchField.setVisible(visible);
              cleanText.setVisible(visible);
              if (visible) {
                  searchField.focus();
                  cleanText.setEnabled(false);
              } else {
                 searchField.clear();
             }
         });
 
         searchField.addValueChangeListener((HasValue.ValueChangeListener<String>) event ->
                 cleanText.setEnabled(StringUtils.isNotEmpty(event.getValue())));
 
         cleanText.addClickListener((Button.ClickListener) event -> searchField.clear());
     }
 }