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.BoundingPolygon;
   import org.opentrafficsim.base.geometry.OtsBounds2d;
  import org.opentrafficsim.draw.road.CrossSectionElementAnimation.CrossSectionElementData;
  import org.opentrafficsim.editor.XsdTreeNode;
  import org.opentrafficsim.road.network.lane.SliceInfo;
  
  /**
   * 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;
      
      /** Center line. */
      protected final PolyLine2d centerLine;
  
      /** Bounds. */
      private final OtsBounds2d bounds;
  
      /** Slice info. */
      private SliceInfo sliceInfo;
  
      /**
       * Constructor.
       * @param linkNode XsdTreeNode; node representing the element.
       * @param centerLine PolyLine2d; center line.
       * @param contour PolyLine2d; contour.
       * @param sliceInfo SliceInfo; slice info.
       */
      public MapCrossSectionData(final XsdTreeNode linkNode, final PolyLine2d centerLine, final Polygon2d contour,
              final SliceInfo sliceInfo)
      {
          this.linkNode = linkNode;
          Ray2d ray = centerLine.getLocationFractionExtended(0.5);
          this.location = new OrientedPoint2d(ray.x, ray.y, ray.phi);
          this.centerLine = centerLine;
          this.bounds = BoundingPolygon.geometryToBounds(this.location, contour);
          this.sliceInfo = sliceInfo;
      }
  
      /** {@inheritDoc} */
      @Override
      public OtsBounds2d getBounds()
      {
          return this.bounds;
      }
  
      /** {@inheritDoc} */
      @Override
      public OrientedPoint2d getLocation()
      {
          return this.location;
      }
  
      /** {@inheritDoc} */
      @Override
      public PolyLine2d getCenterLine()
      {
          return this.centerLine;
      }
  
      /**
       * Returns the link id.
       * @return String; link id.
       */
      @Override
      public String getLinkId()
      {
          return this.linkNode.getId();
      }
  
      /**
       * Returns the lane width at the give position.
       * @param position Length; position along the lane.
       * @return Length; lane width at the position.
       */
      public Length getWidth(final Length position)
      {
          return this.sliceInfo.getWidth(position.si / this.centerLine.getLength());
      }
  
      /** {@inheritDoc} */
     @Override
     public String toString()
     {
         return "Cross section element of " + getLinkId();
     }
 
 }