package org.opentrafficsim.road.gtu.lane.tactical;
   
   import java.io.Serializable;
   
   import org.djunits.unit.LengthUnit;
   import org.djunits.value.vdouble.scalar.Length;
   import org.opentrafficsim.base.parameters.ParameterException;
   import org.opentrafficsim.base.parameters.ParameterSet;
   import org.opentrafficsim.base.parameters.ParameterTypes;
  import org.opentrafficsim.base.parameters.Parameters;
  import org.opentrafficsim.core.gtu.GTUException;
  import org.opentrafficsim.road.gtu.lane.LaneBasedGTU;
  import org.opentrafficsim.road.gtu.lane.tactical.following.CarFollowingModelFactory;
  import org.opentrafficsim.road.gtu.lane.tactical.following.GTUFollowingModelOld;
  
  /**
   * Factory to create {@code LaneBasedGTUFollowingChange0TacticalPlanner}.
   * <p>
   * Copyright (c) 2013-2022 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://opentrafficsim.org/docs/current/license.html">OpenTrafficSim License</a>.
   * <p>
   * @version $Revision$, $LastChangedDate$, by $Author$, initial version Aug 2, 2016 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
   */
  
  public class LaneBasedGTUFollowingDirectedChangeTacticalPlannerFactory
          implements LaneBasedTacticalPlannerFactory<LaneBasedGTUFollowingDirectedChangeTacticalPlanner>, Serializable
  {
  
      /** */
      private static final long serialVersionUID = 20160811L;
  
      /** The car following model. */
      private GTUFollowingModelOld carFollowingModel;
  
      /** Factory for car-following model. */
      private CarFollowingModelFactory<? extends GTUFollowingModelOld> carFollowingModelFactory;
  
      /**
       * Constructor with car-following model factory.
       * @param carFollowingModelFactory CarFollowingModelFactory&lt;? extends GTUFollowingModelOld&gt;; car following model
       *            factory
       */
      public LaneBasedGTUFollowingDirectedChangeTacticalPlannerFactory(
              final CarFollowingModelFactory<? extends GTUFollowingModelOld> carFollowingModelFactory)
      {
          this.carFollowingModel = null;
          this.carFollowingModelFactory = carFollowingModelFactory;
      }
  
      /**
       * Constructor with fixed stateless car-following and lane change model.
       * @param carFollowingModel GTUFollowingModelOld; car following model
       */
      public LaneBasedGTUFollowingDirectedChangeTacticalPlannerFactory(final GTUFollowingModelOld carFollowingModel)
      {
          this.carFollowingModel = carFollowingModel;
      }
  
      /** {@inheritDoc} */
      @Override
      public final LaneBasedGTUFollowingDirectedChangeTacticalPlanner create(final LaneBasedGTU gtu) throws GTUException
      {
          if (this.carFollowingModel != null)
          {
              return new LaneBasedGTUFollowingDirectedChangeTacticalPlanner(this.carFollowingModel, gtu);
          }
          return new LaneBasedGTUFollowingDirectedChangeTacticalPlanner(this.carFollowingModelFactory.generateCarFollowingModel(),
                  gtu);
      }
  
      /** {@inheritDoc} */
      @Override
      public final Parameters getParameters()
      {
          Parameters params = new ParameterSet().setDefaultParameters(ParameterTypes.class);
          try
          {
              params.setParameter(ParameterTypes.LOOKAHEAD, new Length(250, LengthUnit.SI));
          }
          catch (ParameterException pe)
          {
              throw new RuntimeException("Parameter type 'LOOKAHEAD' could not be set.", pe);
          }
          return params;
      }
  
      /** {@inheritDoc} */
      @Override
      public final String toString()
      {
          return "LaneBasedGTUFollowingChange0TacticalPlannerFactory [car-following=" + this.carFollowingModel + "]";
      }
  
  }