package org.opentrafficsim.draw.factory;
   
   import java.awt.Color;
   import java.rmi.RemoteException;
   import java.util.Collections;
   import java.util.LinkedHashMap;
   import java.util.Map;
   
   import javax.naming.NamingException;
  
  import org.djutils.event.EventInterface;
  import org.djutils.event.EventListenerInterface;
  import org.djutils.logger.CategoryLogger;
  import org.opentrafficsim.core.animation.gtu.colorer.GTUColorer;
  import org.opentrafficsim.core.dsol.OTSSimulatorInterface;
  import org.opentrafficsim.core.geometry.OTSGeometryException;
  import org.opentrafficsim.core.gtu.GTU;
  import org.opentrafficsim.core.gtu.GTUType;
  import org.opentrafficsim.core.gtu.GtuGenerator;
  import org.opentrafficsim.core.network.LateralDirectionality;
  import org.opentrafficsim.core.network.Link;
  import org.opentrafficsim.core.network.Network;
  import org.opentrafficsim.core.network.Node;
  import org.opentrafficsim.core.network.OTSNetwork;
  import org.opentrafficsim.core.object.ObjectInterface;
  import org.opentrafficsim.draw.core.OTSDrawingException;
  import org.opentrafficsim.draw.gtu.DefaultCarAnimation;
  import org.opentrafficsim.draw.network.LinkAnimation;
  import org.opentrafficsim.draw.network.NodeAnimation;
  import org.opentrafficsim.draw.road.BusStopAnimation;
  import org.opentrafficsim.draw.road.ConflictAnimation;
  import org.opentrafficsim.draw.road.LaneAnimation;
  import org.opentrafficsim.draw.road.SensorAnimation;
  import org.opentrafficsim.draw.road.ShoulderAnimation;
  import org.opentrafficsim.draw.road.SpeedSignAnimation;
  import org.opentrafficsim.draw.road.StripeAnimation;
  import org.opentrafficsim.draw.road.StripeAnimation.TYPE;
  import org.opentrafficsim.draw.road.TrafficLightAnimation;
  import org.opentrafficsim.road.gtu.lane.LaneBasedGTU;
  import org.opentrafficsim.road.network.lane.CrossSectionElement;
  import org.opentrafficsim.road.network.lane.CrossSectionLink;
  import org.opentrafficsim.road.network.lane.Lane;
  import org.opentrafficsim.road.network.lane.Shoulder;
  import org.opentrafficsim.road.network.lane.Stripe;
  import org.opentrafficsim.road.network.lane.conflict.Conflict;
  import org.opentrafficsim.road.network.lane.object.BusStop;
  import org.opentrafficsim.road.network.lane.object.SpeedSign;
  import org.opentrafficsim.road.network.lane.object.sensor.DestinationSensor;
  import org.opentrafficsim.road.network.lane.object.sensor.SingleSensor;
  import org.opentrafficsim.road.network.lane.object.sensor.SinkSensor;
  import org.opentrafficsim.road.network.lane.object.trafficlight.TrafficLight;
  
  import nl.tudelft.simulation.dsol.SimRuntimeException;
  import nl.tudelft.simulation.dsol.animation.D2.Renderable2D;
  
  /**
   * DefaultAnimationFactory.java. <br>
   * <br>
   * Copyright (c) 2003-2020 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See
   * for project information <a href="https://www.simulation.tudelft.nl/" target="_blank">www.simulation.tudelft.nl</a>. The
   * source code and binary code of this software is proprietary information of Delft University of Technology.
   * @author <a href="https://www.tudelft.nl/averbraeck" target="_blank">Alexander Verbraeck</a>
   */
  public class DefaultAnimationFactory implements EventListenerInterface
  {
      /** the simulator. */
      private final OTSSimulatorInterface simulator;
  
      /** GTU colorer. */
      private final GTUColorer gtuColorer;
  
      /** rendered gtus. */
      private Map<LaneBasedGTU, Renderable2D<LaneBasedGTU>> animatedGTUs = Collections.synchronizedMap(new LinkedHashMap<>());
  
      /** rendered static objects. */
      public Map<ObjectInterface, Renderable2D<?>> animatedObjects = Collections.synchronizedMap(new LinkedHashMap<>());
  
      /**
       * Creates animations for nodes, links and lanes. The class will subscribe to the network and listen to changes, so the
       * adding and removing of GTUs and Objects is animated correctly.
       * @param network OTSNetwork; the network
       * @param gtuColorer GTUColorer; GTU colorer
       * @param animateNetwork boolean; whether to animate the current network objects
       * @throws OTSDrawingException on drawing error
       */
      protected DefaultAnimationFactory(final OTSNetwork network, final GTUColorer gtuColorer,
              final boolean animateNetwork) throws OTSDrawingException
      {
          this.simulator = network.getSimulator();
          this.gtuColorer = gtuColorer;
  
          // subscribe to adding and removing events
          network.addListener(this, Network.ANIMATION_GTU_ADD_EVENT);
          network.addListener(this, Network.ANIMATION_GTU_REMOVE_EVENT);
          network.addListener(this, Network.ANIMATION_OBJECT_ADD_EVENT);
          network.addListener(this, Network.ANIMATION_OBJECT_REMOVE_EVENT);
          network.addListener(this, Network.ANIMATION_GENERATOR_ADD_EVENT);
          network.addListener(this, Network.ANIMATION_GENERATOR_REMOVE_EVENT);
  
         // model the current infrastructure
         try
         {
             if (animateNetwork)
             {
                 for (Node node : network.getNodeMap().values())
                 {
                     new NodeAnimation(node, simulator);
                 }
                 for (Link link : network.getLinkMap().values())
                 {
                     new LinkAnimation(link, simulator, 0.5f);
                     if (link instanceof CrossSectionLink)
                     {
                         for (CrossSectionElement element : ((CrossSectionLink) link).getCrossSectionElementList())
                         {
                             if (element instanceof Lane)
                             {
                                 new LaneAnimation((Lane) element, simulator, Color.GRAY.brighter());
                             }
                             else if (element instanceof Shoulder)
                             {
                                 new ShoulderAnimation((Shoulder) element, simulator, Color.DARK_GRAY);
                             }
                             else if (element instanceof Stripe)
                             {
                                 Stripe stripe = (Stripe) element;
                                 TYPE type;
                                 if (stripe.isPermeable(network.getGtuType(GTUType.DEFAULTS.CAR), LateralDirectionality.LEFT))
                                 {
                                     type = stripe.isPermeable(network.getGtuType(GTUType.DEFAULTS.CAR),
                                             LateralDirectionality.RIGHT) ? TYPE.DASHED : TYPE.LEFTONLY;
                                 }
                                 else
                                 {
                                     type = stripe.isPermeable(network.getGtuType(GTUType.DEFAULTS.CAR),
                                             LateralDirectionality.RIGHT) ? TYPE.RIGHTONLY : TYPE.SOLID;
                                 }
                                 new StripeAnimation((Stripe) element, simulator, type);
                             }
                         }
                     }
                 }
 
                 for (TrafficLight tl : network.getObjectMap(TrafficLight.class).values())
                 {
                     new TrafficLightAnimation(tl, simulator);
                 }
 
             }
 
             for (GTU gtu : network.getGTUs())
             {
                 Renderable2D<LaneBasedGTU> gtuAnimation =
                         new DefaultCarAnimation((LaneBasedGTU) gtu, simulator, this.gtuColorer);
                 this.animatedGTUs.put((LaneBasedGTU) gtu, gtuAnimation);
             }
 
             for (ObjectInterface object : network.getObjectMap().values())
             {
                 animateStaticObject(object);
             }
         }
         catch (RemoteException | NamingException | OTSGeometryException exception)
         {
             throw new OTSDrawingException("Exception while creating network animation.", exception);
         }
 
     }
 
     /**
      * Creates animations for nodes, links, lanes and GTUs. This can be used if the network is not read from XML. The class will
      * subscribe to the network and listen to changes, so the adding and removing of GTUs and Objects is animated correctly.
      * @param network OTSNetwork; the network
      * @param simulator OTSSimulatorInterface; the simulator
      * @param gtuColorer GTUColorer; GTU colorer
      * @return the DefaultAnimationFactory
      * @throws OTSDrawingException on drawing error
      */
     public static DefaultAnimationFactory animateNetwork(final OTSNetwork network, final OTSSimulatorInterface simulator,
             final GTUColorer gtuColorer) throws OTSDrawingException
     {
         return new DefaultAnimationFactory(network, gtuColorer, true);
     }
 
     /**
      * Creates animations for nodes, links, lanes and GTUs. This can be used if the network is read from XML. The class will
      * subscribe to the network and listen to changes, so the adding and removing of GTUs and Objects is animated correctly.
      * @param network OTSNetwork; the network
      * @param gtuColorer GTUColorer; GTU colorer
      * @return the DefaultAnimationFactory
      * @throws OTSDrawingException on drawing error
      */
     public static DefaultAnimationFactory animateXmlNetwork(final OTSNetwork network, final GTUColorer gtuColorer) throws OTSDrawingException
     {
         return new DefaultAnimationFactory(network, gtuColorer, false);
     }
 
     /** {@inheritDoc} */
     @Override
     public void notify(final EventInterface event) throws RemoteException
     {
         try
         {
             if (event.getType().equals(Network.ANIMATION_GTU_ADD_EVENT))
             {
                 // schedule the addition of the GTU to prevent it from not having an operational plan
                 LaneBasedGTU gtu = (LaneBasedGTU) event.getContent();
                 this.simulator.scheduleEventNow(this, this, "animateGTU", new Object[] {gtu});
             }
             else if (event.getType().equals(Network.ANIMATION_GTU_REMOVE_EVENT))
             {
                 LaneBasedGTU gtu = (LaneBasedGTU) event.getContent();
                 if (this.animatedGTUs.containsKey(gtu))
                 {
                     this.animatedGTUs.get(gtu).destroy();
                     this.animatedGTUs.remove(gtu);
                 }
             }
             else if (event.getType().equals(Network.ANIMATION_OBJECT_ADD_EVENT))
             {
                 ObjectInterface object = (ObjectInterface) event.getContent();
                 animateStaticObject(object);
             }
             else if (event.getType().equals(Network.ANIMATION_OBJECT_REMOVE_EVENT))
             {
                 ObjectInterface object = (ObjectInterface) event.getContent();
                 if (this.animatedObjects.containsKey(object))
                 {
                     this.animatedObjects.get(object).destroy();
                     this.animatedObjects.remove(object);
                 }
             }
             else if (event.getType().equals(Network.ANIMATION_GENERATOR_ADD_EVENT))
             {
                 GtuGenerator gtuGenerator = (GtuGenerator) event.getContent();
                 animateGTUGenerator(gtuGenerator);
             }
             else if (event.getType().equals(Network.ANIMATION_GENERATOR_REMOVE_EVENT))
             {
                 // TODO: change the way generators are animated
             }
         }
         catch (NamingException | SimRuntimeException exception)
         {
             CategoryLogger.always().error(exception, "Exception while updating network animation.");
         }
     }
 
     /**
      * Draw the GTU (scheduled method).
      * @param gtu LaneBasedGTU; the GTU to draw
      */
     protected void animateGTU(final LaneBasedGTU gtu)
     {
         try
         {
             Renderable2D<LaneBasedGTU> gtuAnimation = new DefaultCarAnimation(gtu, this.simulator, this.gtuColorer);
             this.animatedGTUs.put(gtu, gtuAnimation);
         }
         catch (RemoteException | NamingException exception)
         {
             gtu.getSimulator().getLogger().always().error(exception, "Exception while drawing GTU.");
         }
     }
 
     /**
      * Draw the static object.
      * @param object ObjectInterface; the object to draw
      */
     protected void animateStaticObject(final ObjectInterface object)
     {
         try
         {
             if (object instanceof SinkSensor)
             {
                 SinkSensor sensor = (SinkSensor) object;
                 // Renderable2D<SinkSensor> objectAnimation = new SinkAnimation(sensor, this.simulator);
                 Renderable2D<SingleSensor> objectAnimation =
                         new SensorAnimation(sensor, sensor.getLongitudinalPosition(), this.simulator, Color.YELLOW);
                 this.animatedObjects.put(object, objectAnimation);
             }
             else if (object instanceof DestinationSensor)
             {
                 DestinationSensor sensor = (DestinationSensor) object;
                 // Renderable2D<DestinationSensor> objectAnimation = new DestinationAnimation(sensor, this.simulator);
                 Renderable2D<SingleSensor> objectAnimation =
                         new SensorAnimation(sensor, sensor.getLongitudinalPosition(), this.simulator, Color.ORANGE);
                 this.animatedObjects.put(object, objectAnimation);
             }
             else if (object instanceof SingleSensor)
             {
                 SingleSensor sensor = (SingleSensor) object;
                 Renderable2D<SingleSensor> objectAnimation =
                         new SensorAnimation(sensor, sensor.getLongitudinalPosition(), this.simulator, Color.GREEN);
                 this.animatedObjects.put(object, objectAnimation);
             }
             else if (object instanceof Conflict)
             {
                 Conflict conflict = (Conflict) object;
                 Renderable2D<Conflict> objectAnimation = new ConflictAnimation(conflict, this.simulator);
                 this.animatedObjects.put(object, objectAnimation);
             }
             else if (object instanceof SpeedSign)
             {
                 SpeedSign speedSign = (SpeedSign) object;
                 Renderable2D<SpeedSign> objectAnimation = new SpeedSignAnimation(speedSign, this.simulator);
                 this.animatedObjects.put(object, objectAnimation);
             }
             else if (object instanceof BusStop)
             {
                 BusStop busStop = (BusStop) object;
                 Renderable2D<BusStop> objectAnimation = new BusStopAnimation(busStop, this.simulator);
                 this.animatedObjects.put(object, objectAnimation);
             }
         }
         catch (RemoteException | NamingException exception)
         {
             CategoryLogger.always().error(exception, "Exception while drawing Object of class ObjectInterface.");
         }
     }
 
     /**
      * Draw the GTUGenerator.
      * @param gtuGenerator GtuGenerator; the GTUGenerator to draw
      */
     protected void animateGTUGenerator(final GtuGenerator gtuGenerator)
     {
         // TODO: default animation of GTU generator
     }
 
 }