public Position()
{
Coordinates = new Coordinates();
}
public PositionValidator(Coordinates minCordinates, Coordinates maxCoordinates)
{
MinCordinates = minCordinates;
MaxCoordinates = maxCoordinates;
}
public Position(Coordinates coordinates, Direction direction)
{
Coordinates = coordinates;
Direction = Direction;
}
public Position Calculate(CommandPayload commandPayload)
{
switch (commandPayload.Action)
{
case Action.Place:
bool isValid = positionValidator.IsValid(commandPayload.Position.Coordinates);
if (isValid)
{
currentPosition.Coordinates = commandPayload.Position.Coordinates;
currentPosition.Direction = commandPayload.Position.Direction;
}
break;
case Action.Move:
if (positionValidator.IsValid(currentPosition.Coordinates))
{
Coordinates newCoordinates = new Coordinates();
newCoordinates.X = currentPosition.Coordinates.X;
newCoordinates.Y = currentPosition.Coordinates.Y;
switch (currentPosition.Direction)
{
case Direction.East:
newCoordinates.X = newCoordinates.X + 1;
break;
case Direction.West:
newCoordinates.X = newCoordinates.X - 1;
break;
case Direction.North:
newCoordinates.Y = newCoordinates.Y + 1;
break;
case Direction.South:
newCoordinates.Y = newCoordinates.Y + 1;
break;
default:
break;
}
if (positionValidator.IsValid(newCoordinates))
{
currentPosition.Coordinates = newCoordinates;
}
}
break;
case Action.Left:
case Action.Right:
if (positionValidator.IsValid(currentPosition.Direction))
{
currentPosition.Direction = positions[currentPosition.Direction][commandPayload.Action];
}
break;
default:
break;
}
return(currentPosition);
}
