package org.opentrafficsim.animation.road;
   
   import java.awt.Color;
   import java.awt.Graphics2D;
   import java.awt.image.ImageObserver;
   import java.rmi.RemoteException;
   import java.util.function.Supplier;
   
   import javax.naming.NamingException;
  
  import org.djunits.unit.LengthUnit;
  import org.djunits.value.vdouble.scalar.Length;
  import org.opentrafficsim.animation.LineLocatable;
  import org.opentrafficsim.animation.RenderableTextSource;
  import org.opentrafficsim.animation.TextAlignment;
  import org.opentrafficsim.animation.road.AbstractLineAnimation.LaneBasedObjectData;
  import org.opentrafficsim.animation.road.LaneDetectorAnimation.LaneDetectorData;
  import org.opentrafficsim.animation.road.LaneDetectorAnimation.Text;
  
  import nl.tudelft.simulation.naming.context.Contextualized;
  
  /**
   * Draw lane detector.
   * <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
   * @author Wouter Schakel
   * @param <L> detector data type
   */
  public class LaneDetectorAnimation<L extends LaneDetectorData> extends AbstractLineAnimation<L, Text<L>>
  {
  
      /** The color of the detector. */
      private final Color color;
  
      /**
       * This constructor uses a provider for the text animation. This should provide an animation that extends
       * {@code TextAnimation} and implements the right tagging interface to toggle the correct label belonging to L.
       * Alternatively, the toggle can be specified to the class that extends {@code TextAnimation} directly.
       * @param laneDetector the lane detector to draw
       * @param contextualized context provider
       * @param color the display color of the detector
       */
      public LaneDetectorAnimation(final L laneDetector, final Contextualized contextualized, final Color color)
      {
          this(laneDetector, contextualized, color, "");
      }
  
      /**
       * This constructor uses a provider for the text animation. This should provide an animation that extends
       * {@code TextAnimation} and implements the right tagging interface to toggle the correct label belonging to L.
       * Alternatively, the toggle can be specified to the class that extends {@code TextAnimation} directly.
       * @param laneDetector the lane detector to draw
       * @param contextualized context provider
       * @param color the display color of the detector
       * @param prefix label prefix
       */
      public LaneDetectorAnimation(final L laneDetector, final Contextualized contextualized, final Color color,
              final String prefix)
      {
          super(laneDetector, contextualized, new Length(0.5, LengthUnit.SI), prefix);
          this.color = color;
      }
  
      @Override
      protected Text<L> createText(final L source, final Contextualized contextualized, final String prefix)
      {
          float halfLength = (float) (source.getLine().getLength() / 2.0);
          return new Text<L>(source, () -> prefix + source.getId(), 0.0f, halfLength + 0.2f, contextualized);
      }
  
      @Override
      public final void paint(final Graphics2D graphics, final ImageObserver observer)
      {
          graphics.setColor(this.color);
          super.paint(graphics, observer);
      }
  
      @Override
      public final String toString()
      {
          return "DetectorAnimation [getSource()=" + this.getSource() + "]";
      }
  
      /**
       * Text animation for the detector.
       * @param <L> source type
       */
      public static class Text<L extends LaneDetectorData> extends RenderableTextSource<L, Text<L>> 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 contextualized context provider
          */
         public Text(final L source, final Supplier<String> text, final float dx, final float dy,
                 final Contextualized contextualized)
         {
             super(source, text, dx, dy, TextAlignment.CENTER, Color.BLACK, contextualized, RenderableTextSource.RENDERWHEN10);
         }
 
         @Override
         public final String toString()
         {
             return "Text []";
         }
     }
 
     /**
      * Provides the information required to draw a lane detector.
      */
     public interface LaneDetectorData extends LaneBasedObjectData, DetectorData, LineLocatable
     {
     }
 
     /**
      * Provides the information required to draw a loop detector.
      */
     public interface LoopDetectorData extends LaneDetectorData
     {
         /**
          * Tagging implementation for loop detector IDs.
          */
         class LoopDetectorText extends RenderableTextSource<LoopDetectorData, LoopDetectorText>
         {
             /**
              * Constructor.
              * @param laneDetector loop detector data
              * @param dy vertical spacing
              * @param contextualized context provider
              * @throws NamingException when animation context cannot be created or retrieved
              * @throws RemoteException when remote context cannot be found
              */
             public LoopDetectorText(final LoopDetectorData laneDetector, final float dy, final Contextualized contextualized)
                     throws RemoteException, NamingException
             {
                 super(laneDetector, laneDetector::getId, 0.0f, dy, TextAlignment.CENTER, Color.BLACK, contextualized,
                         RenderableTextSource.RENDERWHEN10);
             }
         }
     }
 
     /**
      * Provides the information required to draw a sink.
      */
     public interface SinkData extends LaneDetectorData
     {
         /**
          * Tagging implementation for sink IDs.
          */
         class SinkText extends RenderableTextSource<SinkData, SinkText>
         {
             /**
              * Constructor.
              * @param sink loop detector data
              * @param dy vertical spacing
              * @param contextualized context provider
              */
             public SinkText(final SinkData sink, final float dy, final Contextualized contextualized)
             {
                 super(sink, sink::getId, 0.0f, dy, TextAlignment.CENTER, Color.BLACK, contextualized,
                         RenderableTextSource.RENDERWHEN10);
             }
         }
     }
 
 }