/// <summary>
/// Walks a user through the robot program,
/// asks for input and returns results from movement instructions.
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
Console.WriteLine("-----------------------------");
Console.WriteLine("Welcome to The Robot Program!");
Console.WriteLine("-----------------------------");
Console.WriteLine("Write q to quit.");
Parser parser = new Parser();
RoomDimensions room = parser.GetRoom();
(Point point, char direction) = parser.GetStartingPointAndDirection();
Robot robot;
try
{
robot = parser.GetRobot(room, point, direction);
}
catch (Exception)
{
// TODO: Log exceptions
Console.WriteLine("Terminating...");
return;
}
parser.MoveAccordingToInstructions(robot);
Console.WriteLine("Goodbye!");
}
/// <summary>
/// Creates a new instance of a robot with input parameters.
/// </summary>
/// <param name="room">The robot room boundaries.</param>
/// <param name="point">The starting point.</param>
/// <param name="direction">The direction the robot is facing.</param>
/// <returns>Robot</returns>
public Robot GetRobot(RoomDimensions room, Point point, char direction)
{
try
{
return(new Robot(room, point, direction));
}
catch (IllegalStartingPointException)
{
// TODO: Log exceptions
Console.WriteLine("Illegal starting position within room boundaries.");
throw;
}
catch (IllegalDirectionException)
{
// TODO: Log exceptions
Console.WriteLine("Illegal direction when constructing Robot.");
throw;
}
catch (Exception)
{
// TODO: Log exceptions
Console.WriteLine("Something went wrong constructing the Robot.");
throw;
}
}
public Robot(RoomDimensions room, Point position, char direction)
{
if (!IsValidPositionWithinRoom(room, position))
{
throw new IllegalStartingPointException();
}
this.room = room;
this.position = position;
Direction = direction switch
{
(Constants.NORTH) => CardinalPoint.N,
(Constants.EAST) => CardinalPoint.E,
(Constants.SOUTH) => CardinalPoint.S,
(Constants.WEST) => CardinalPoint.W,
_ => throw new IllegalDirectionException(),
};