package org.opentrafficsim.editor.extensions.map;
   
   import org.djunits.value.vdouble.scalar.Length;
   import org.djutils.draw.line.PolyLine2d;
   import org.djutils.draw.line.Polygon2d;
   import org.djutils.draw.line.Ray2d;
   import org.djutils.draw.point.OrientedPoint2d;
   import org.opentrafficsim.base.geometry.OtsShape;
   import org.opentrafficsim.draw.road.CrossSectionElementAnimation.CrossSectionElementData;
  import org.opentrafficsim.editor.XsdTreeNode;
  import org.opentrafficsim.road.network.lane.CrossSectionGeometry;
  
  /**
   * Cross section element data for in the editor.
   * <p>
   * Copyright (c) 2023-2024 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 <a href="https://github.com/wjschakel">Wouter Schakel</a>
   */
  public class MapCrossSectionData implements CrossSectionElementData
  {
  
      /** Node representing the element. */
      private final XsdTreeNode linkNode;
  
      /** Location. */
      private final OrientedPoint2d location;
  
      /** Geometry. */
      private final CrossSectionGeometry geometry;
  
      /** Shape (cached). */
      private OtsShape shape;
  
      /**
       * Constructor.
       * @param linkNode node representing the element
       * @param geometry geometry
       */
      public MapCrossSectionData(final XsdTreeNode linkNode, final CrossSectionGeometry geometry)
      {
          this.linkNode = linkNode;
          Ray2d ray = geometry.centerLine().getLocationFractionExtended(0.5);
          this.location = new OrientedPoint2d(ray.x, ray.y, ray.phi);
          this.geometry = geometry;
      }
  
      @Override
      public OrientedPoint2d getLocation()
      {
          return this.location;
      }
  
      @Override
      public Polygon2d getContour()
      {
          return this.geometry.contour();
      }
  
      @Override
      public OtsShape getShape()
      {
          if (this.shape == null)
          {
              this.shape = CrossSectionElementData.super.getShape();
          }
          return this.shape;
      }
  
      @Override
      public PolyLine2d getCenterLine()
      {
          return this.geometry.centerLine();
      }
  
      /**
       * Returns the link id.
       * @return link id.
       */
      @Override
      public String getLinkId()
      {
          return this.linkNode.getId();
      }
  
      /**
       * Returns the lane width at the give position.
       * @param position position along the lane.
       * @return lane width at the position.
       */
      public Length getWidth(final Length position)
      {
          return Length.instantiateSI(this.geometry.width().apply(position.si / getCenterLine().getLength()));
      }
  
      @Override
      public String toString()
      {
         return "Cross section element of " + getLinkId();
     }
 
 }