package org.opentrafficsim.demo;
   
   import static org.opentrafficsim.core.gtu.GTUType.CAR;
   
   import java.awt.Dimension;
   import java.rmi.RemoteException;
   import java.util.ArrayList;
   import java.util.Arrays;
   import java.util.LinkedHashSet;
  import java.util.List;
  import java.util.Set;
  
  import javax.naming.NamingException;
  
  import org.djunits.unit.UNITS;
  import org.djunits.value.vdouble.scalar.Acceleration;
  import org.djunits.value.vdouble.scalar.Duration;
  import org.djunits.value.vdouble.scalar.Length;
  import org.djunits.value.vdouble.scalar.Speed;
  import org.djunits.value.vdouble.scalar.Time;
  import org.opentrafficsim.base.parameters.ParameterException;
  import org.opentrafficsim.base.parameters.Parameters;
  import org.opentrafficsim.core.dsol.AbstractOTSModel;
  import org.opentrafficsim.core.dsol.OTSAnimator;
  import org.opentrafficsim.core.dsol.OTSSimulatorInterface;
  import org.opentrafficsim.core.geometry.OTSGeometryException;
  import org.opentrafficsim.core.geometry.OTSLine3D;
  import org.opentrafficsim.core.geometry.OTSPoint3D;
  import org.opentrafficsim.core.gtu.GTUDirectionality;
  import org.opentrafficsim.core.gtu.GTUException;
  import org.opentrafficsim.core.gtu.GTUType;
  import org.opentrafficsim.core.network.NetworkException;
  import org.opentrafficsim.core.network.OTSNetwork;
  import org.opentrafficsim.core.network.OTSNode;
  import org.opentrafficsim.demo.SequentialLanes.SequentialModel;
  import org.opentrafficsim.draw.core.OTSDrawingException;
  import org.opentrafficsim.draw.graphs.AbstractPlot;
  import org.opentrafficsim.draw.graphs.ContourDataSource;
  import org.opentrafficsim.draw.graphs.ContourPlotAcceleration;
  import org.opentrafficsim.draw.graphs.ContourPlotDensity;
  import org.opentrafficsim.draw.graphs.ContourPlotFlow;
  import org.opentrafficsim.draw.graphs.ContourPlotSpeed;
  import org.opentrafficsim.draw.graphs.GraphPath;
  import org.opentrafficsim.draw.graphs.TrajectoryPlot;
  import org.opentrafficsim.draw.graphs.road.GraphLaneUtil;
  import org.opentrafficsim.kpi.sampling.KpiLaneDirection;
  import org.opentrafficsim.road.gtu.lane.LaneBasedIndividualGTU;
  import org.opentrafficsim.road.gtu.lane.tactical.following.IDMPlusFactory;
  import org.opentrafficsim.road.gtu.lane.tactical.lmrs.DefaultLMRSPerceptionFactory;
  import org.opentrafficsim.road.gtu.lane.tactical.lmrs.LMRSFactory;
  import org.opentrafficsim.road.gtu.strategical.LaneBasedStrategicalPlanner;
  import org.opentrafficsim.road.gtu.strategical.LaneBasedStrategicalPlannerFactory;
  import org.opentrafficsim.road.gtu.strategical.route.LaneBasedStrategicalRoutePlannerFactory;
  import org.opentrafficsim.road.network.factory.LaneFactory;
  import org.opentrafficsim.road.network.lane.CrossSectionLink;
  import org.opentrafficsim.road.network.lane.DirectedLanePosition;
  import org.opentrafficsim.road.network.lane.Lane;
  import org.opentrafficsim.road.network.lane.LaneDirection;
  import org.opentrafficsim.road.network.lane.LaneType;
  import org.opentrafficsim.road.network.lane.object.sensor.SinkSensor;
  import org.opentrafficsim.road.network.sampling.RoadSampler;
  import org.opentrafficsim.swing.gui.OTSAnimationPanel;
  import org.opentrafficsim.swing.gui.OTSSimulationApplication;
  
  import nl.tudelft.simulation.dsol.SimRuntimeException;
  import nl.tudelft.simulation.dsol.model.inputparameters.InputParameterException;
  import nl.tudelft.simulation.dsol.swing.gui.TablePanel;
  import nl.tudelft.simulation.dsol.swing.gui.inputparameters.TabbedParameterDialog;
  import nl.tudelft.simulation.jstats.streams.MersenneTwister;
  import nl.tudelft.simulation.jstats.streams.StreamInterface;
  
  /**
   * Single lane road consisting of three consecutive links.<br>
   * Tests that GTUs correctly transfer themselves onto the next lane and that the graph samplers handle this situation.
   * <p>
   * Copyright (c) 2013-2019 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/license.html">OpenTrafficSim License</a>.
   * <p>
   * $LastChangedDate: 2019-01-18 22:40:31 +0100 (Fri, 18 Jan 2019) $, @version $Revision: 4886 $, by $Author: averbraeck $,
   * initial version 30 jan. 2015 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   */
  public class SequentialLanes extends OTSSimulationApplication<SequentialModel> implements UNITS
  {
      /** */
      private static final long serialVersionUID = 1L;
  
      /**
       * Create a Straight Swing application.
       * @param title String; the title of the Frame
       * @param panel OTSAnimationPanel; the tabbed panel to display
       * @param model SequentialModel; the model
       * @throws OTSDrawingException on animation error
       */
      public SequentialLanes(final String title, final OTSAnimationPanel panel, final SequentialModel model)
              throws OTSDrawingException
      {
          super(model, panel);
         OTSNetwork network = model.getNetwork();
         System.out.println(network.getLinkMap());
     }
 
     /** {@inheritDoc} */
     @Override
     protected void addTabs()
     {
         addStatisticsTabs(getModel().getSimulator());
     }
 
     /**
      * Main program.
      * @param args String[]; the command line arguments (not used)
      */
     public static void main(final String[] args)
     {
         demo(true);
     }
 
     /**
      * Start the demo.
      * @param exitOnClose boolean; when running stand-alone: true; when running as part of a demo: false
      */
     public static void demo(final boolean exitOnClose)
     {
         try
         {
             OTSAnimator simulator = new OTSAnimator();
             final SequentialModel otsModel = new SequentialModel(simulator);
             if (TabbedParameterDialog.process(otsModel.getInputParameterMap()))
             {
                 simulator.initialize(Time.ZERO, Duration.ZERO, Duration.createSI(3600.0), otsModel);
                 OTSAnimationPanel animationPanel = new OTSAnimationPanel(otsModel.getNetwork().getExtent(),
                         new Dimension(800, 600), simulator, otsModel, DEFAULT_COLORER, otsModel.getNetwork());
                 SequentialLanes app = new SequentialLanes("SequentialLanes", animationPanel, otsModel);
                 app.setExitOnClose(exitOnClose);
             }
             else
             {
                 if (exitOnClose)
                 {
                     System.exit(0);
                 }
             }
         }
         catch (SimRuntimeException | NamingException | RemoteException | OTSDrawingException exception)
         {
             exception.printStackTrace();
         }
     }
 
     /**
      * Add the statistics tabs.
      * @param simulator OTSSimulatorInterface; the simulator on which sampling can be scheduled
      */
     protected final void addStatisticsTabs(final OTSSimulatorInterface simulator)
     {
         GraphPath<KpiLaneDirection> path;
         try
         {
             path = GraphLaneUtil.createPath("Lane", new LaneDirection(getModel().getPath().get(0), GTUDirectionality.DIR_PLUS));
         }
         catch (NetworkException exception)
         {
             throw new RuntimeException("Could not create a path as a lane has no set speed limit.", exception);
         }
 
         RoadSampler sampler = new RoadSampler(simulator);
         ContourDataSource<?> dataPool = new ContourDataSource<>(sampler, path);
         TablePanel charts = new TablePanel(3, 2);
         AbstractPlot plot = null;
 
         plot = new TrajectoryPlot("TrajectoryPlot", Duration.createSI(10.0), simulator, sampler, path);
         charts.setCell(plot.getContentPane(), 0, 0);
 
         plot = new ContourPlotDensity("DensityPlot", simulator, dataPool);
         charts.setCell(plot.getContentPane(), 1, 0);
 
         plot = new ContourPlotSpeed("SpeedPlot", simulator, dataPool);
         charts.setCell(plot.getContentPane(), 2, 0);
 
         plot = new ContourPlotFlow("FlowPlot", simulator, dataPool);
         charts.setCell(plot.getContentPane(), 1, 1);
 
         plot = new ContourPlotAcceleration("AccelerationPlot", simulator, dataPool);
         charts.setCell(plot.getContentPane(), 2, 1);
 
         getAnimationPanel().getTabbedPane().addTab(getAnimationPanel().getTabbedPane().getTabCount(), "statistics ", charts);
     }
 
     /**
      * Build the sequential model.
      * <p>
      * Copyright (c) 2013-2019 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/license.html">OpenTrafficSim License</a>.
      * <p>
      * $LastChangedDate: 2019-01-18 22:40:31 +0100 (Fri, 18 Jan 2019) $, @version $Revision: 4886 $, by $Author: averbraeck $,
      * initial version 0 jan. 2015 <br>
      * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
      */
     static class SequentialModel extends AbstractOTSModel implements UNITS
     {
         /** */
         private static final long serialVersionUID = 20150130L;
 
         /** The network. */
         private final OTSNetwork network = new OTSNetwork("network");
 
         /** The nodes of our network in the order that all GTUs will visit them. */
         private List<OTSNode> nodes = new ArrayList<>();
 
         /** Strategical planner generator for cars. */
         private LaneBasedStrategicalPlannerFactory<LaneBasedStrategicalPlanner> strategicalPlannerGeneratorCars = null;
 
         /** Strategical planner generator for trucks. */
         private LaneBasedStrategicalPlannerFactory<LaneBasedStrategicalPlanner> strategicalPlannerGeneratorTrucks = null;
 
         /** Car parameters. */
         private Parameters parametersCar;
 
         /** Truck parameters. */
         private Parameters parametersTruck;
 
         /** The probability that the next generated GTU is a passenger car. */
         private double carProbability;
 
         /** The headway (inter-vehicle time). */
         private Duration headway;
 
         /** Number of cars created. */
         private int carsCreated = 0;
 
         /** Type of all GTUs. */
         private GTUType gtuType = CAR;
 
         /** Minimum distance. */
         private Length minimumDistance = new Length(0, METER);
 
         /** The Lane where newly created Cars initially placed on. */
         private Lane initialLane;
 
         /** Maximum distance. */
         private Length maximumDistance = new Length(2001, METER);
 
         /** The random number generator used to decide what kind of GTU to generate. */
         private StreamInterface stream = new MersenneTwister(12345);
 
         /** The sequence of Lanes that all vehicles will follow. */
         private List<Lane> path = new ArrayList<>();
 
         /** The speedLimit on all Lanes. */
         private Speed speedLimit;
 
         /**
          * @param simulator OTSSimulatorInterface; the simulator for this model
          */
         SequentialModel(final OTSSimulatorInterface simulator)
         {
             super(simulator);
             InputParameterHelper.makeInputParameterMapCarTruck(this.inputParameterMap, 1.0);
         }
 
         /**
          * @return a newly created path (which all GTUs in this simulation will follow).
          */
         public List<Lane> getPath()
         {
             return new ArrayList<>(this.path);
         }
 
         /** {@inheritDoc} */
         @Override
         public final void constructModel() throws SimRuntimeException
         {
             this.speedLimit = new Speed(100, KM_PER_HOUR);
 
             // TODO Bezier curves make 180 degree mistake when minus is true
             boolean minus = false;
 
             this.nodes = new ArrayList<>();
             try
             {
                 OTSNode n0 = new OTSNode(this.network, "Node(0,0)", new OTSPoint3D(0, 0));
                 OTSNode n1 = new OTSNode(this.network, "Node(1000,0)", new OTSPoint3D(1000, 0));
                 OTSNode n2 = new OTSNode(this.network, "Node(1020,3)", new OTSPoint3D(1020, 3));
                 OTSNode n3 = new OTSNode(this.network, "Node(2000,197)", new OTSPoint3D(2000, 197));
                 OTSNode n4 = new OTSNode(this.network, "Node(2020,200)", new OTSPoint3D(2020, 200));
                 OTSNode n5 = new OTSNode(this.network, "Node(2200,200)", new OTSPoint3D(2200, 200));
                 this.nodes.addAll(Arrays.asList(new OTSNode[] { n0, n1, n2, n3, n4, n5 }));
 
                 LaneType laneType = LaneType.TWO_WAY_LANE;
 
                 // Now we can build a series of Links with one Lane on them
                 ArrayList<CrossSectionLink> links = new ArrayList<>();
                 OTSLine3D l01 = new OTSLine3D(n0.getPoint(), n1.getPoint());
                 OTSLine3D l12 = LaneFactory.makeBezier(n0, n1, n2, n3);
                 OTSLine3D l23 =
                         minus ? new OTSLine3D(n3.getPoint(), n2.getPoint()) : new OTSLine3D(n2.getPoint(), n3.getPoint());
                 OTSLine3D l34 = LaneFactory.makeBezier(n2, n3, n4, n5);
                 OTSLine3D l45 = new OTSLine3D(n4.getPoint(), n5.getPoint());
                 OTSLine3D[] lines = new OTSLine3D[] { l01, l12, l23, l34, l45 };
 
                 for (int i = 1; i < this.nodes.size(); i++)
                 {
                     OTSNode fromNode = this.nodes.get(i - 1);
                     OTSNode toNode = this.nodes.get(i);
                     OTSLine3D line = lines[i - 1];
                     String linkName = fromNode.getId() + "-" + toNode.getId();
                     // LongitudinalDirectionality direction = line.equals(l23) && minus ? LongitudinalDirectionality.DIR_MINUS
                     // : LongitudinalDirectionality.DIR_PLUS;
                     Lane[] lanes = LaneFactory.makeMultiLane(this.network, linkName, fromNode, toNode, line.getPoints(), 1,
                             laneType, this.speedLimit, this.simulator);
                     if (i == this.nodes.size() - 1)
                     {
                         new SinkSensor(lanes[0], new Length(100.0, METER), this.simulator);
                     }
                     this.path.add(lanes[0]);
                     links.add(lanes[0].getParentLink());
                     if (1 == i)
                     {
                         this.initialLane = lanes[0];
                     }
                 }
 
                 this.carProbability = (double) getInputParameter("generic.carProbability");
                 this.parametersCar = InputParameterHelper.getParametersCar(getInputParameterMap());
                 this.parametersTruck = InputParameterHelper.getParametersTruck(getInputParameterMap());
 
                 this.strategicalPlannerGeneratorCars = new LaneBasedStrategicalRoutePlannerFactory(
                         new LMRSFactory(new IDMPlusFactory(this.stream), new DefaultLMRSPerceptionFactory()));
                 this.strategicalPlannerGeneratorTrucks = new LaneBasedStrategicalRoutePlannerFactory(
                         new LMRSFactory(new IDMPlusFactory(this.stream), new DefaultLMRSPerceptionFactory()));
 
                 // 1500 [veh / hour] == 2.4s headway
                 this.headway = new Duration(3600.0 / 1500.0, SECOND);
 
                 // Schedule creation of the first car (it will re-schedule itself one headway later, etc.).
                 this.simulator.scheduleEventAbs(Time.ZERO, this, this, "generateCar", null);
             }
             catch (NamingException | NetworkException | OTSGeometryException | ParameterException | InputParameterException
                     | GTUException exception)
             {
                 exception.printStackTrace();
             }
         }
 
         /** {@inheritDoc} */
         @Override
         public OTSNetwork getNetwork()
         {
             return this.network;
         }
 
         /**
          * @return minimumDistance
          */
         public final Length getMinimumDistance()
         {
             return this.minimumDistance;
         }
 
         /**
          * @return maximumDistance
          */
         public final Length getMaximumDistance()
         {
             return this.maximumDistance;
         }
 
         /**
          * Generate cars at a fixed rate (implemented by re-scheduling this method).
          */
         protected final void generateCar()
         {
             try
             {
                 boolean generateTruck = this.stream.nextDouble() > this.carProbability;
                 Length vehicleLength = new Length(generateTruck ? 15 : 4, METER);
                 LaneBasedIndividualGTU gtu = new LaneBasedIndividualGTU("" + (++this.carsCreated), this.gtuType, vehicleLength,
                         new Length(1.8, METER), new Speed(200, KM_PER_HOUR), vehicleLength.multiplyBy(0.5), this.simulator,
                         this.network);
                 gtu.setParameters(generateTruck ? this.parametersTruck : this.parametersCar);
                 gtu.setNoLaneChangeDistance(Length.ZERO);
                 gtu.setMaximumAcceleration(Acceleration.createSI(3.0));
                 gtu.setMaximumDeceleration(Acceleration.createSI(-8.0));
 
                 // strategical planner
                 LaneBasedStrategicalPlanner strategicalPlanner =
                         generateTruck ? this.strategicalPlannerGeneratorTrucks.create(gtu, null, null, null)
                                 : this.strategicalPlannerGeneratorCars.create(gtu, null, null, null);
 
                 Set<DirectedLanePosition> initialPositions = new LinkedHashSet<>(1);
                 Length initialPosition = new Length(20, METER);
                 initialPositions.add(new DirectedLanePosition(this.initialLane, initialPosition, GTUDirectionality.DIR_PLUS));
                 Speed initialSpeed = new Speed(100.0, KM_PER_HOUR);
                 gtu.init(strategicalPlanner, initialPositions, initialSpeed);
                 this.simulator.scheduleEventRel(this.headway, this, this, "generateCar", null);
             }
             catch (SimRuntimeException | NetworkException | GTUException | OTSGeometryException exception)
             {
                 exception.printStackTrace();
             }
         }
 
     }
 }