public static void Main()
{
Console.WriteLine(Constants.WELCOME);
var rover = RoverPosition.GetInstance();
PrintRoverPosition(rover.RoverPositionX, rover.RoverPositionY, rover.RoverFacingPosition);
while (true)
{
Console.WriteLine(Constants.COMMAND_PROMPT);
try
{
var command = Console.ReadLine().Trim();
var isValid = ValidateCommand(command);
if (!isValid)
{
Console.WriteLine(Constants.INVALID_COMMAND);
}
else
{
ExecuteCommand(command, rover);
}
}
catch (Exception ex)
{
Console.WriteLine($"There was an error and the application will terminate. {ex.Message}");
System.Environment.Exit(1);
}
}
}
public static RoverPosition GetInstance()
{
if (instance == null)
{
instance = new RoverPosition();
}
return(instance);
}