/**
    * This file Copyright (c) 2013-2017 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.mail.app.main;
  
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.jcr.util.SessionUtil;
  import info.magnolia.module.mail.app.MailSubAppDecriptor;
  import info.magnolia.objectfactory.ComponentProvider;
  import info.magnolia.repository.RepositoryConstants;
  import info.magnolia.ui.api.app.SubAppContext;
  import info.magnolia.ui.api.context.UiContext;
  import info.magnolia.ui.dialog.formdialog.FormBuilder;
  import info.magnolia.ui.form.definition.FormDefinition;
  import info.magnolia.ui.vaadin.form.FormViewReduced;
  import info.magnolia.ui.vaadin.integration.jcr.JcrNodeAdapter;
  import info.magnolia.ui.vaadin.overlay.MessageStyleTypeEnum;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Presenter for main mail app.
   */
  public class MailMainPresenter implements MailMainView.Listener {
  
      private MailMainView view;
      private FormBuilder builder;
      private ComponentProvider componentProvider;
      private FormDefinition formDefinition;
      private JcrNodeAdapter jcrItem;
      private UiContext context;
      private SimpleTranslator translator;
  
      public static final String CONFIG_SMTP_NODE_PATH = "/modules/mail/config/smtpConfiguration";
  
      private static final Logger log = LoggerFactory.getLogger(MailMainPresenter.class);
  
      @Inject
      public MailMainPresenter(MailMainView view, FormBuilder builder, ComponentProvider componentProvider, SubAppContext subAppContext, UiContext context, SimpleTranslator translator) {
          this.view = view;
          this.builder = builder;
          this.componentProvider = componentProvider;
          this.context = context;
          this.translator = translator;
          this.jcrItem = new JcrNodeAdapter(getMailConfigurationNode());
          this.formDefinition = ((MailSubAppDecriptor) subAppContext.getSubAppDescriptor()).getFormDefinitions().get("main");
      }
  
      public MailMainView start() {
          FormViewReduced formView = this.componentProvider.getComponent(FormViewReduced.class);
          this.builder.buildReducedForm(this.formDefinition, formView, jcrItem, null);
  
          view.setListener(this);
          view.setFormViewReduced(formView);
  
          view.build();
          return view;
      }
  
      @Override
      public void save() {
          view.showValidation(true);
          if (view.isValid()) {
              try {
                 final Node node = jcrItem.applyChanges();
                 node.getSession().save();
                 context.openNotification(MessageStyleTypeEnum.INFO, true, translator.translate("mail.app.main.button.save.success"));
             } catch (RepositoryException e) {
                 log.error(e.getMessage(), e);
                 context.openNotification(MessageStyleTypeEnum.ERROR, true, translator.translate("mail.app.main.button.save.error"));
             }
         }
     }
 
     @Override
     public void reset() {
         FormViewReduced newView = componentProvider.getComponent(FormViewReduced.class);
         builder.buildReducedForm(formDefinition, newView, jcrItem, null);
         view.setFormViewReduced(newView);
         context.openNotification(MessageStyleTypeEnum.INFO, true, translator.translate("mail.app.main.button.reset.success"));
     }
 
     protected static Node getMailConfigurationNode() {
         return SessionUtil.getNode(RepositoryConstants.CONFIG, CONFIG_SMTP_NODE_PATH);
     }
 
 }