package org.opentrafficsim.demo.conflict;
   
   import static org.opentrafficsim.core.gtu.GTUType.VEHICLE;
   
   import java.net.URL;
   import java.rmi.RemoteException;
   import java.util.ArrayList;
   
   import javax.naming.NamingException;
  import javax.swing.SwingUtilities;
  
  import org.djunits.unit.LengthUnit;
  import org.djunits.unit.TimeUnit;
  import org.djunits.value.vdouble.scalar.Duration;
  import org.djunits.value.vdouble.scalar.Length;
  import org.djunits.value.vdouble.scalar.Time;
  import org.opentrafficsim.base.modelproperties.Property;
  import org.opentrafficsim.base.modelproperties.PropertyException;
  import org.opentrafficsim.core.dsol.OTSDEVSSimulatorInterface;
  import org.opentrafficsim.core.dsol.OTSModelInterface;
  import org.opentrafficsim.core.dsol.OTSSimTimeDouble;
  import org.opentrafficsim.core.gtu.animation.GTUColorer;
  import org.opentrafficsim.core.network.OTSNetwork;
  import org.opentrafficsim.road.animation.AnimationToggles;
  import org.opentrafficsim.road.network.factory.xml.XmlNetworkLaneParser;
  import org.opentrafficsim.road.network.lane.CrossSectionLink;
  import org.opentrafficsim.road.network.lane.CrossSectionLink.Priority;
  import org.opentrafficsim.road.network.lane.Lane;
  import org.opentrafficsim.road.network.lane.conflict.ConflictBuilder;
  import org.opentrafficsim.road.network.lane.object.trafficlight.SimpleTrafficLight;
  import org.opentrafficsim.road.network.lane.object.trafficlight.TrafficLightColor;
  import org.opentrafficsim.simulationengine.AbstractWrappableAnimation;
  import org.opentrafficsim.simulationengine.OTSSimulationException;
  
  import nl.tudelft.simulation.dsol.SimRuntimeException;
  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface;
  import nl.tudelft.simulation.language.io.URLResource;
  
  /**
   * <p>
   * Copyright (c) 2013-2016 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://opentrafficsim.org/node/13">OpenTrafficSim License</a>.
   * <p>
   * @version $Revision$, $LastChangedDate$, by $Author$, initial version 11 dec. 2016 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
   */
  public class TJunctionDemo extends AbstractWrappableAnimation
  {
  
      /** */
      private static final long serialVersionUID = 20161211L;
  
      /** {@inheritDoc} */
      @Override
      protected final OTSModelInterface makeModel(final GTUColorer colorer) throws OTSSimulationException
      {
          return new TJunctionModel();
      }
  
      /** {@inheritDoc} */
      @Override
      protected final void addAnimationToggles()
      {
          AnimationToggles.setTextAnimationTogglesStandard(this);
      }
  
      /** {@inheritDoc} */
      @Override
      public final String shortName()
      {
          return "T-junction demonstration";
      }
  
      /** {@inheritDoc} */
      @Override
      public final String description()
      {
          return "T-junction demonstration";
      }
  
      /**
       * The simulation model.
       */
      class TJunctionModel implements OTSModelInterface
      {
  
          /** */
          private static final long serialVersionUID = 20161211L;
  
          /** The network. */
          private OTSNetwork network;
  
          /** Simulator. */
          private OTSDEVSSimulatorInterface simulator;
  
          /** {@inheritDoc} */
          @Override
         public void constructModel(final SimulatorInterface<Time, Duration, OTSSimTimeDouble> arg0)
                 throws SimRuntimeException, RemoteException
         {
             this.simulator = (OTSDEVSSimulatorInterface) arg0;
             try
             {
                 URL url = URLResource.getResource("/conflict/TJunction.xml");
                 XmlNetworkLaneParser nlp = new XmlNetworkLaneParser(this.simulator);
                 this.network = nlp.build(url);
 
                 // add conflicts
                 ((CrossSectionLink) this.network.getLink("ECSC")).setPriority(Priority.PRIORITY);
                 ((CrossSectionLink) this.network.getLink("ECWC")).setPriority(Priority.PRIORITY);
                 ((CrossSectionLink) this.network.getLink("WCSC")).setPriority(Priority.PRIORITY);
                 ((CrossSectionLink) this.network.getLink("WCEC")).setPriority(Priority.PRIORITY);
                 // ((CrossSectionLink) this.network.getLink("SCEC")).setPriority(Priority.STOP);
                 // ((CrossSectionLink) this.network.getLink("SCWC")).setPriority(Priority.STOP);
                 ConflictBuilder.buildConflicts(this.network, VEHICLE, this.simulator,
                         new ConflictBuilder.FixedWidthGenerator(new Length(2.0, LengthUnit.SI)));
 
                 // add trafficlight
                 Lane lane = ((CrossSectionLink) this.network.getLink("ECE")).getLanes().get(0);
                 SimpleTrafficLight trafficLight =
                         new SimpleTrafficLight("light", lane, new Length(50.0, LengthUnit.SI), this.simulator);
                 trafficLight.setTrafficLightColor(TrafficLightColor.RED);
                 changePhase(trafficLight);
 
             }
             catch (Exception exception)
             {
                 exception.printStackTrace();
             }
         }
 
         /**
          * Changes color of traffic light.
          * @param trafficLight traffic light
          * @throws SimRuntimeException scheduling error
          */
         private void changePhase(final SimpleTrafficLight trafficLight) throws SimRuntimeException
         {
             switch (trafficLight.getTrafficLightColor())
             {
                 case RED:
                 {
                     trafficLight.setTrafficLightColor(TrafficLightColor.GREEN);
                     this.simulator.scheduleEventRel(new Duration(30.0, TimeUnit.SECOND), this, this, "changePhase",
                             new Object[] { trafficLight });
                     break;
                 }
                 case YELLOW:
                 {
                     trafficLight.setTrafficLightColor(TrafficLightColor.RED);
                     this.simulator.scheduleEventRel(new Duration(56.0, TimeUnit.SECOND), this, this, "changePhase",
                             new Object[] { trafficLight });
                     break;
                 }
                 case GREEN:
                 {
                     trafficLight.setTrafficLightColor(TrafficLightColor.YELLOW);
                     this.simulator.scheduleEventRel(new Duration(4.0, TimeUnit.SECOND), this, this, "changePhase",
                             new Object[] { trafficLight });
                     break;
                 }
                 default:
                 {
                     //
                 }
             }
         }
 
         /** {@inheritDoc} */
         @Override
         public SimulatorInterface<Time, Duration, OTSSimTimeDouble> getSimulator() throws RemoteException
         {
             return this.simulator;
         }
 
         /** {@inheritDoc} */
         @Override
         public OTSNetwork getNetwork()
         {
             return this.network;
         }
 
     }
 
     /**
      * Main program.
      * @param args String[]; the command line arguments (not used)
      * @throws SimRuntimeException should never happen
      */
     public static void main(final String[] args) throws SimRuntimeException
     {
         SwingUtilities.invokeLater(new Runnable()
         {
             @Override
             public void run()
             {
                 try
                 {
                     TJunctionDemo animation = new TJunctionDemo();
                     // 1 hour simulation run for testing
                     animation.buildAnimator(new Time(0.0, TimeUnit.SECOND), new Duration(0.0, TimeUnit.SECOND),
                             new Duration(60.0, TimeUnit.MINUTE), new ArrayList<Property<?>>(), null, true);
                 }
                 catch (SimRuntimeException | NamingException | OTSSimulationException | PropertyException exception)
                 {
                     exception.printStackTrace();
                 }
             }
         });
     }
 
 }