/**
    * 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.about.app.licenses;
  
  import info.magnolia.i18nsystem.SimpleTranslator;
  
  import java.util.ArrayList;
  import java.util.Collections;
  
  import com.vaadin.data.ValueProvider;
  import com.vaadin.ui.Grid;
  import com.vaadin.ui.TextField;
  import com.vaadin.ui.components.grid.HeaderCell;
  import com.vaadin.ui.components.grid.HeaderRow;
  import com.vaadin.ui.renderers.HtmlRenderer;
  
  /**
   * LicensesSystemDataGrid class.
   */
  public class LicensesSystemDataGrid extends Grid<LicensesInfoBean> {
      public static final String DEVELOPER = "developer";
      public static final String LIBRARY = "library";
      public static final String LICENSE = "license";
  
  
      private final SimpleTranslator i18n;
      LicensesDataProvider licenseListDataProvider;
  
      public LicensesSystemDataGrid(LicensesDataProvider licenseListDataProvider, SimpleTranslator i18n) {
          this.licenseListDataProvider = licenseListDataProvider;
          this.i18n = i18n;
      }
  
      public Grid<LicensesInfoBean> setUpSystemDataGrid() {
          Grid<LicensesInfoBean> licenseGrid = new Grid<>(licenseListDataProvider);
  
          licenseGrid.getDefaultHeaderRow().setStyleName("about-app-header");
          createColumn(licenseGrid, LicensesInfoBean::getLibrary, "about.app.licenses.licenseinfo.libraryColumn", LIBRARY);
          createColumn(licenseGrid, LicensesInfoBean::getDeveloper, "about.app.licenses.licenseinfo.developerColumn", DEVELOPER);
          createColumn(licenseGrid, LicensesInfoBean::getLicense, "about.app.licenses.licenseinfo.licenseColumn", LICENSE);
  
          licenseGrid.setSelectionMode(Grid.SelectionMode.NONE);
          licenseGrid.setSizeFull();
          setGridFilter(licenseGrid);
  
          return licenseGrid;
      }
  
      private void createColumn(Grid<LicensesInfoBean> licenseGrid, ValueProvider<LicensesInfoBean, String> valueProvider, String caption, String id) {
          licenseGrid.addColumn(valueProvider).setCaption(i18n.translate(caption)).setId(id).setSortable(true).setRenderer(new HtmlRenderer());
      }
  
      private void setGridFilter(final Grid<LicensesInfoBean> grid) {
          HeaderRow filterRow = grid.appendHeaderRow();
          LicensesInfoBean filterBean = licenseListDataProvider.getLicensesInfoBeanFilter();
          for (final Grid.Column<LicensesInfoBean, ?> column : grid.getColumns()) {
              HeaderCell cell = filterRow.getCell(column.getId());
  
              TextField filterField = new TextField();
              filterField.setWidth(100, Unit.PERCENTAGE);
              filterField.addValueChangeListener(event -> {
                  switch (column.getId()) {
                  case DEVELOPER:
                      filterBean.setDeveloper(event.getValue());
                      break;
                  case LIBRARY:
                      filterBean.setLibrary(event.getValue());
                      break;
                 case LICENSE:
                     filterBean.setLicensesList(new ArrayList<>(Collections.singletonList(event.getValue())));
                     break;
                 }
                 licenseListDataProvider.refreshAll();
             });
             cell.setComponent(filterField);
         }
     }
 }