package org.opentrafficsim.road.gtu.perception.object;
   
   import java.util.Objects;
   
   import org.djunits.value.vdouble.scalar.Length;
   import org.djutils.exceptions.Throw;
   import org.opentrafficsim.core.gtu.GtuType;
   import org.opentrafficsim.road.gtu.LaneBasedGtu;
   
  /**
   * Simple implementation of perceived GTU's which stores the information. This class does not support the behavioral component.
   * <p>
   * Copyright (c) 2013-2026 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>.
   * </p>
   * @author Alexander Verbraeck
   * @author Peter Knoppers
   * @author Wouter Schakel
   */
  public class PerceivedGtuSimple extends PerceivedObjectBase implements PerceivedGtu
  {
  
      /** GTU type. */
      private final GtuType gtuType;
  
      /** GTU width. */
      private final Length width;
  
      /** Signals. */
      private final Signals signals;
  
      /** Maneuver. */
      private final Maneuver maneuver;
  
      /**
       * Constructor.
       * @param id GTU id
       * @param gtuType GTU type
       * @param length length of the GTU
       * @param width width of the GTU
       * @param kinematics kinematics
       * @param signals signals
       * @param maneuver maneuver
       * @throws NullPointerException when any input argument is {@code null}
       */
      public PerceivedGtuSimple(final String id, final GtuType gtuType, final Length length, final Length width,
              final Kinematics kinematics, final Signals signals, final Maneuver maneuver)
      {
          super(id, ObjectType.GTU, length, kinematics);
          this.gtuType = Throw.whenNull(gtuType, "gtuType");
          this.width = Throw.whenNull(width, "width");
          this.signals = Throw.whenNull(signals, "signals");
          this.maneuver = Throw.whenNull(maneuver, "maneuver");
      }
  
      @Override
      public Length getWidth()
      {
          return this.width;
      }
  
      @Override
      public GtuType getGtuType()
      {
          return this.gtuType;
      }
  
      @Override
      public Signals getSignals()
      {
          return this.signals;
      }
  
      @Override
      public Maneuver getManeuver()
      {
          return this.maneuver;
      }
  
      @Override
      public Behavior getBehavior()
      {
          throw new UnsupportedOperationException("HeadwayGtuSimple does not support behavior in HeadwyaGtu.");
      }
  
      /**
       * Returns perceived GTU with given kinematics, but without {@code Behavior}.
       * @param gtu GTU that is perceived
       * @param kinematics kinematics for the vehicle
       * @return perceived view of the GTU
       */
      public static PerceivedGtuSimple of(final LaneBasedGtu gtu, final Kinematics kinematics)
      {
          return new PerceivedGtuSimple(gtu.getId(), gtu.getType(), gtu.getLength(), gtu.getWidth(), kinematics, Signals.of(gtu),
                  Maneuver.of(gtu));
      }
  
      @Override
      public int hashCode()
     {
         final int prime = 31;
         int result = super.hashCode();
         result = prime * result + Objects.hash(this.gtuType, this.maneuver, this.signals, this.width);
         return result;
     }
 
     @Override
     public boolean equals(final Object obj)
     {
         if (this == obj)
         {
             return true;
         }
         if (!super.equals(obj))
         {
             return false;
         }
         if (getClass() != obj.getClass())
         {
             return false;
         }
         PerceivedGtuSimple other = (PerceivedGtuSimple) obj;
         return Objects.equals(this.gtuType, other.gtuType) && Objects.equals(this.maneuver, other.maneuver)
                 && Objects.equals(this.signals, other.signals) && Objects.equals(this.width, other.width);
     }
 
     @Override
     public String toString()
     {
         return "PerceivedGtuSimple [id=" + getId() + ", gtuType=" + this.gtuType + "]";
     }
 
 }