/**
    * This file Copyright (c) 2014-2016 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.module.rssaggregator.field;
  
  import info.magnolia.context.Context;
  import info.magnolia.context.MgnlContext;
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.module.ModuleRegistry;
  import info.magnolia.module.rssaggregator.RSSAggregator;
  import info.magnolia.module.rssaggregator.RSSJob;
  import info.magnolia.module.rssaggregator.command.LaunchSingleRSSCommand;
  import info.magnolia.objectfactory.Components;
  
  import java.util.Collection;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.vaadin.ui.Alignment;
  import com.vaadin.ui.Button;
  import com.vaadin.ui.Button.ClickEvent;
  import com.vaadin.ui.Component;
  import com.vaadin.ui.CustomField;
  import com.vaadin.ui.VerticalLayout;
  
  /**
   * Field supporting execution of RSS import command for every RSS.
   */
  public class RunEveryRSSImportButtonField extends CustomField<String> {
  
      private static final Logger log = LoggerFactory.getLogger(RunEveryRSSImportButtonField.class);
  
      private final VerticalLayout rootLayout = new VerticalLayout();
      private final Button runButton = new Button();
  
      private SimpleTranslator simpleTranslator;
  
      public RunEveryRSSImportButtonField(SimpleTranslator simpleTranslator) {
          this.simpleTranslator = simpleTranslator;
      }
  
      @Override
      protected Component initContent() {
          setImmediate(true);
          rootLayout.setSizeFull();
          rootLayout.setSpacing(true);
  
          runButton.addStyleName("commit");
          runButton.setCaption(simpleTranslator.translate("rssAggregator.manual.rss.import.all.run"));
          runButton.addClickListener(createButtonClickListener());
  
          rootLayout.addComponent(runButton);
          rootLayout.setExpandRatio(runButton, 0);
          rootLayout.setComponentAlignment(runButton, Alignment.MIDDLE_CENTER);
  
          return rootLayout;
      }
  
      @Override
      public Class<String> getType() {
          return String.class;
      }
  
      private Button.ClickListener createButtonClickListener() {
          return new Button.ClickListener() {
              @Override
              public void buttonClick(ClickEvent event) {
                  runImport();
             }
         };
     }
 
     private void runImport() {
         Context ctx = MgnlContext.getInstance();
         Collection<RSSJob> jobs = ((RSSAggregator) Components.getComponent(ModuleRegistry.class).getModuleInstance("rssaggregator")).getJobs().values();
         for (RSSJob job : jobs) {
             LaunchSingleRSSCommand command = new LaunchSingleRSSCommand(job);
             try {
                 command.execute(ctx);
             } catch (Exception e) {
                 log.debug("RSS feed import failed for job: " + job.getName() + e.getMessage(), e);
             }
         }
     }
 
 }