package org.opentrafficsim.editor.extensions.map.edit;
   
   import java.awt.BasicStroke;
   import java.awt.Color;
   import java.awt.Graphics2D;
   import java.awt.image.ImageObserver;
   
   import org.djutils.draw.line.Polygon2d;
   import org.djutils.draw.point.DirectedPoint2d;
  import org.opentrafficsim.animation.DrawLevel;
  import org.opentrafficsim.animation.PaintLine;
  import org.opentrafficsim.base.geometry.OtsShape;
  import org.opentrafficsim.editor.OtsEditor;
  import org.opentrafficsim.editor.extensions.map.EditorMap;
  import org.opentrafficsim.editor.extensions.map.MapData;
  import org.opentrafficsim.editor.extensions.map.MapNodeData;
  import org.opentrafficsim.editor.extensions.map.edit.SelectionAnnotation.ZAdjustedMapData;
  
  /**
   * Renderable that indicates the selection of an object. It paints a line along the contour of the object.
   * <p>
   * Copyright (c) 2026-2026 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>.
   * @author Wouter Schakel
   */
  public class SelectionAnnotation extends MapAnnotation<ZAdjustedMapData>
  {
  
      /** Selection color. */
      static final Color SELECTION_COLOR = OtsEditor.PROPERTIES_STORE.getColorOrDefault("map.selectionColor", Color.ORANGE);
  
      /** Invalid color. */
      static final Color INVALID_COLOR = OtsEditor.PROPERTIES_STORE.getColorOrDefault("map.invalidColor", Color.RED);
  
      /**
       * Constructor.
       * @param source source
       * @param map map
       */
      public SelectionAnnotation(final MapData source, final EditorMap map)
      {
          this(source, map, DrawLevel.SELECTION.getZ());
      }
  
      /**
       * Constructor.
       * @param source source
       * @param map map
       * @param z z-level
       */
      protected SelectionAnnotation(final MapData source, final EditorMap map, final double z)
      {
          super(new ZAdjustedMapData(source, z), map);
          setScaleY(true);
          setRotate(!(source instanceof MapNodeData));
      }
  
      @Override
      public void paint(final Graphics2D graphics, final ImageObserver observer)
      {
          setRendering(graphics);
          graphics.setStroke(new BasicStroke(px(1.75f), BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 10.0f));
          graphics.setColor(getColor());
          graphics.draw(PaintLine.getPath(getSource().getLocation(), getSource().getAbsoluteContour()));
          resetRendering(graphics);
      }
  
      /**
       * Returns the color.
       * @return color
       */
      protected Color getColor()
      {
          return getSource().mapData().isValid() ? SELECTION_COLOR : INVALID_COLOR;
      }
  
      /**
       * Helper class that wraps a {@link MapData} and acts like it, except with an adjusted z-value as given.
       * @param mapData map data
       * @param adjustedZ adjusted z-value, see {@link DrawLevel} for values
       */
      public record ZAdjustedMapData(MapData mapData, double adjustedZ) implements OtsShape
      {
  
          @Override
          public double getZ()
          {
              return adjustedZ();
          }
  
          @Override
          public DirectedPoint2d getLocation()
          {
              return mapData().getLocation();
          }
  
          @Override
          public Polygon2d getRelativeContour()
          {
             return mapData().getRelativeContour();
         }
 
     }
 
 }