public RoadWayLocation(RoadWay roadWay, IDictionary <long, Car> cars)
{
RoadWay = roadWay ?? throw new ArgumentNullException(nameof(roadWay));
Cars = cars ?? throw new ArgumentNullException(nameof(cars));
if (!IsValid())
{
throw new ArgumentOutOfRangeException();
}
}
public IRoadWayLocation GetNextRoadLocationAfterTick(IRoadWayLocation currentRoadWayLocation)
{
IRoadWayLocation nextRoadWayLocation = new RoadWayLocation(currentRoadWayLocation.RoadWay, new Dictionary <long, Car>());
IDictionary <long, Car> currentCars = currentRoadWayLocation.Cars;
// [TODO]: Process car to be out from the Road
long forwardCarFreeDistance = currentRoadWayLocation.RoadWay.Distance + 1;
CarContext forwardCarContext = new CarContext(currentRoadWayLocation.RoadWay, forwardCarFreeDistance);
foreach (var item in currentCars.OrderByDescending(c => c.Key))
{
RoadWay roadWay = currentRoadWayLocation.RoadWay;
long currentDistance = item.Key;
Car car = item.Value;
var currentCarContext = new CarContext(roadWay, currentDistance);
long nextCarDistance = GetNextCarDistanceAfterTick(car, currentCarContext, forwardCarContext);
if (nextCarDistance > currentRoadWayLocation.RoadWay.Distance)
{
// [TODO]: When car is out of the Road
continue;
}
if (nextCarDistance == currentDistance)
{
// [TODO]: When car does not move
}
nextRoadWayLocation.Cars.Add(nextCarDistance, car);
forwardCarContext = currentCarContext;
}
return(nextRoadWayLocation);
}
public bool IsValid()
{
return(RoadWay.IsValid() &&
Cars.All(item => item.Value.IsValid() && item.Key >= 0 && item.Key <= RoadWay.Distance) &&
Cars.Keys.Count == Cars.Keys.Distinct().Count());
}