/**
 *
 * Copyright
 * 2009-2015 Jayway Products AB
 * 2016-2017 Föreningen Sambruk
 *
 * Licensed under AGPL, Version 3.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.gnu.org/licenses/agpl.txt
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package se.streamsource.streamflow.client.ui.administration.projectsettings;

import static org.qi4j.api.util.Iterables.filter;
import static org.qi4j.api.util.Iterables.first;
import static se.streamsource.dci.value.link.Links.withRel;

import java.awt.Dimension;
import java.awt.Insets;
import java.util.Observable;
import java.util.Observer;

import javax.swing.ActionMap;
import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

import org.jdesktop.application.ApplicationContext;
import org.qi4j.api.injection.scope.Service;
import org.qi4j.api.injection.scope.Structure;
import org.qi4j.api.injection.scope.Uses;
import org.qi4j.api.structure.Module;

import se.streamsource.streamflow.api.administration.DueOnNotificationSettingsDTO;
import se.streamsource.streamflow.client.ui.administration.AdministrationResources;
import se.streamsource.streamflow.client.util.ActionBinder;
import se.streamsource.streamflow.client.util.RefreshWhenShowing;
import se.streamsource.streamflow.client.util.i18n;
import se.streamsource.streamflow.client.util.dialog.DialogService;
import se.streamsource.streamflow.infrastructure.event.domain.TransactionDomainEvents;
import se.streamsource.streamflow.infrastructure.event.domain.source.TransactionListener;
import se.streamsource.streamflow.infrastructure.event.domain.source.helper.Events;

import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.CellConstraints.Alignment;
import com.jgoodies.forms.layout.FormLayout;

/**
 * JAVADOC
 */
public class CaseDueOnNotificationView
      extends JPanel
      implements Observer, TransactionListener
{
   @Service
   DialogService dialogs;

   @Structure
   Module module;

   private CaseDueOnNotificationModel model;

   protected RecipientsView recipientsView;
   
   private JTextField threshold = new JTextField(2);
   private JCheckBox active = new JCheckBox("Aktiv");

   private DefaultFormBuilder builder;

   public CaseDueOnNotificationView(@Service ApplicationContext context, @Uses CaseDueOnNotificationModel model)
   {
      this.model = model;
      model.addObserver( this );

      threshold.setColumns(2);
      FormLayout layout = new FormLayout( "150dlu, 2dlu, 50, 200", "pref, pref, pref" );
      setLayout(layout);
      setMaximumSize( new Dimension( Short.MAX_VALUE, 50 ) );
      builder = new DefaultFormBuilder( layout, this);
      builder.add( new JLabel(i18n.text(AdministrationResources.dueon_notification_threshold)), new CellConstraints(1,1));
      builder.add( threshold, new CellConstraints(3,1));
      
      builder.add( new JLabel(i18n.text(AdministrationResources.dueon_notification_active)), new CellConstraints(1,2));
      builder.add( active, new CellConstraints(3,2,2,1));

      builder.add(new JLabel(i18n.text(AdministrationResources.dueon_notification_additional_recipient)), new CellConstraints(1,3,1,1, CellConstraints.LEFT, CellConstraints.TOP, new Insets( 4, 0, 0, 0 )));
      ActionMap am = context.getActionMap(this);
      setActionMap(am);

      new ActionBinder(am).bind("changeThreshold", threshold);
      new ActionBinder(am).bind("activateNotifications", active);
      

      new RefreshWhenShowing( this, model );
   }

   public void update( Observable o, Object arg )
   {
      DueOnNotificationSettingsDTO settings = (DueOnNotificationSettingsDTO) model.getIndex();
      if (settings == null)
      {
         active.setSelected( false );
         threshold.setText("0");
      } else {
         active.setSelected( settings.active().get() );
         threshold.setText(settings.threshold().get().toString());  
      }
      
      if (recipientsView == null)
      {
         recipientsView = module
               .objectBuilderFactory()
               .newObjectBuilder( RecipientsView.class )
               .use( model.newResourceModel( first( filter( withRel( "recipients" ), model.getResourceValue()
                     .resources().get() ) ) ) ).newInstance();
         builder.add( recipientsView, new CellConstraints( 3, 3, 2, 1) );
      }
   }

   @org.jdesktop.application.Action
   public void changeThreshold()
   {
      model.changeThreshold( Integer.parseInt( threshold.getText() ));
   }

   @org.jdesktop.application.Action
   public void activateNotifications()
   {
      model.activateNotifications( active.isSelected());
   }
   
   public void notifyTransactions( Iterable<TransactionDomainEvents> transactions )
   {
      if (Events.matches( Events.withNames( "changedDueOnNotifications"), transactions ))
      {
         model.refresh();
      }
   }
}