package org.opentrafficsim.animation.road;
   
   import java.awt.BasicStroke;
   import java.awt.Color;
   import java.awt.Graphics2D;
   import java.awt.geom.Path2D;
   import java.awt.image.ImageObserver;
   import java.rmi.RemoteException;
   import java.util.Set;
  import java.util.function.Supplier;
  
  import javax.naming.NamingException;
  
  import org.djutils.base.Identifiable;
  import org.djutils.draw.point.DirectedPoint2d;
  import org.opentrafficsim.animation.DrawLevel;
  import org.opentrafficsim.animation.OtsRenderable;
  import org.opentrafficsim.animation.PaintPolygons;
  import org.opentrafficsim.animation.RenderableTextSource;
  import org.opentrafficsim.animation.TextAlignment;
  import org.opentrafficsim.animation.road.TrafficLightDetectorAnimation.TrafficLightDetectorData;
  
  import nl.tudelft.simulation.naming.context.Contextualized;
  
  /**
   * Traffic light detector animation.
   * <p>
   * Copyright (c) 2013-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands.<br>
   * All rights reserved. <br>
   * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * </p>
   * @author Alexander Verbraeck
   * @author Peter Knoppers
   */
  public class TrafficLightDetectorAnimation extends OtsRenderable<TrafficLightDetectorData>
  {
      /** The traffic light detector. */
      private final TrafficLightDetectorData detector;
  
      /** Path of the detector. */
      private final Set<Path2D.Float> paths;
  
      /** the Text object to destroy when the animation is destroyed. */
      private final Text text;
  
      /**
       * Construct a TrafficLightDetectorAnimation.
       * @param detector the traffic light detector that will be animated
       * @param contextualized context provider
       * @throws NamingException in case of registration failure of the animation
       * @throws RemoteException in case of remote registration failure of the animation
       */
      public TrafficLightDetectorAnimation(final TrafficLightDetectorData detector, final Contextualized contextualized)
              throws NamingException, RemoteException
      {
          super(detector, contextualized);
          this.detector = detector;
          this.paths = PaintPolygons.getPaths(this.detector.getAbsoluteContour().getPointList());
          this.text = new Text(detector, detector::getId, 0.0f, 0.5f + 0.2f, TextAlignment.CENTER, Color.BLACK, contextualized);
      }
  
      @Override
      public final void paint(final Graphics2D graphics, final ImageObserver observer)
      {
          graphics.setStroke(new BasicStroke(0.2f));
          setRendering(graphics);
          PaintPolygons.paintPaths(graphics, this.detector.getOccupancy() ? Color.BLUE : Color.BLACK, this.paths, false);
          resetRendering(graphics);
      }
  
      @Override
      public void destroy(final Contextualized contextProvider)
      {
          super.destroy(contextProvider);
          this.text.destroy(contextProvider);
      }
  
      @Override
      public final String toString()
      {
          return "TrafficLightDetectorAnimation [getSource()=" + this.getSource() + "]";
      }
  
      /**
       * Text animation for the Detector. Separate class to be able to turn it on and off...
       * <p>
       * Copyright (c) 2013-2026 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
       * <br>
       * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
       * </p>
       * @author Alexander Verbraeck
       * @author Peter Knoppers
       * @author Wouter Schakel
       */
      public static class Text extends RenderableTextSource<TrafficLightDetectorData, Text> implements DetectorData.Text
      {
          /**
           * Constructor.
           * @param source the object for which the text is displayed
          * @param text the text to display
          * @param dx the horizontal movement of the text, in meters
          * @param dy the vertical movement of the text, in meters
          * @param textPlacement where to place the text
          * @param color the color of the text
          * @param contextualized context provider
          * @throws NamingException when animation context cannot be created or retrieved
          * @throws RemoteException - when remote context cannot be found
          */
         public Text(final TrafficLightDetectorData source, final Supplier<String> text, final float dx, final float dy,
                 final TextAlignment textPlacement, final Color color, final Contextualized contextualized)
                 throws RemoteException, NamingException
         {
             super(source, text, dx, dy, textPlacement, color, contextualized, RenderableTextSource.RENDERWHEN10);
         }
 
         @Override
         public final String toString()
         {
             return "Text []";
         }
     }
 
     /**
      * TrafficLightDetectorData provides the information required to draw a traffic light detector.
      * <p>
      * Copyright (c) 2023-2026 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
      * <br>
      * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
      * </p>
      * @author Wouter Schakel
      */
     public interface TrafficLightDetectorData extends DetectorData, Identifiable
     {
         /**
          * Returns whether the detector is occupied.
          * @return whether the detector is occupied.
          */
         boolean getOccupancy();
 
         @Override
         DirectedPoint2d getLocation();
 
         @Override
         default double getZ()
         {
             return DrawLevel.OBJECT.getZ();
         }
     }
 
 }