package org.opentrafficsim.road.network.sampling;
   
   import org.djunits.value.vdouble.scalar.Speed;
   import org.opentrafficsim.base.OtsRuntimeException;
   import org.opentrafficsim.core.network.NetworkException;
   import org.opentrafficsim.kpi.interfaces.GtuData;
   import org.opentrafficsim.road.gtu.lane.LaneBasedGtu;
   
   /**
   * GTU representation in road sampler.
   * <p>
   * Copyright (c) 2013-2024 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/averbraeck">Alexander Verbraeck</a>
   * @author <a href="https://github.com/peter-knoppers">Peter Knoppers</a>
   * @author <a href="https://github.com/wjschakel">Wouter Schakel</a>
   */
  public class GtuDataRoad implements GtuData
  {
  
      /** GTU. */
      private final LaneBasedGtu gtu;
  
      /**
       * Constructor.
       * @param gtu GTU
       */
      public GtuDataRoad(final LaneBasedGtu gtu)
      {
          this.gtu = gtu;
      }
  
      /**
       * Get GTU.
       * @return GTU.
       */
      public final LaneBasedGtu getGtu()
      {
          return this.gtu;
      }
  
      @Override
      public final String getId()
      {
          return this.gtu.getId();
      }
  
      @Override
      public final String getOriginId()
      {
          try
          {
              return this.gtu.getStrategicalPlanner().getRoute().get().originNode().getId();
          }
          catch (NetworkException | NullPointerException exception)
          {
              throw new OtsRuntimeException("Could not get origin node.", exception);
          }
      }
  
      @Override
      public final String getDestinationId()
      {
          try
          {
              return this.gtu.getStrategicalPlanner().getRoute().get().destinationNode().getId();
          }
          catch (NetworkException | NullPointerException exception)
          {
              throw new OtsRuntimeException("Could not get destination node.", exception);
          }
      }
  
      @Override
      public final String getGtuTypeId()
      {
          return this.gtu.getType().getId();
      }
  
      @Override
      public final String getRouteId()
      {
          return this.gtu.getStrategicalPlanner().getRoute()
                  .orElseThrow(() -> new OtsRuntimeException("Could not get id of route.")).getId();
      }
  
      @Override
      public final Speed getReferenceSpeed()
      {
          try
          {
              double v1 = this.gtu.getPosition().lane().getSpeedLimit(this.gtu.getType()).si;
              double v2 = this.gtu.getMaximumSpeed().si;
              return Speed.ofSI(v1 < v2 ? v1 : v2);
          }
          catch (NetworkException exception)
          {
              throw new OtsRuntimeException("Could not obtain reference speed from GTU " + this.gtu, exception);
         }
     }
 
     @Override
     public final String toString()
     {
         return "GtuData [gtu=" + this.gtu + "]";
     }
 
 }