public void LaunchRoverMenu()
{
_userIo.Clear();
while (true)
{
try {
_userIo.WriteLine("Where would you like to place the new rover?\n" +
"Syntax: 'X Y Direction' ('E' to exit)");
var input = GetUserInput().ToUpper().Split(' ');
if (input[0] == "E")
{
break;
}
if (input.Length != MAX_ROVER_INPUT_LENGTH || !IsValidRoverInput(input))
{
throw new InvalidInputException("Invalid input, please try again.");
}
if (!IsValidRoverCoords(input))
{
throw new RoverInTheWayException("Cannot place a rover here, space occupied.");
}
if (!CheckGridEdge(new[] { int.Parse(input[0]), int.Parse(input[1]) }))
{
throw new EdgeReachedException("Cannot place a rover outside of grid.");
}
LaunchRover(input);
break;
}
catch (InvalidInputException invalidInputException) {
ClearAndWriteLine(invalidInputException.Message);
}
catch (RoverInTheWayException roverInTheWayException) {
ClearAndWriteLine(roverInTheWayException.Message);
}
catch (EdgeReachedException edgeReachedException) {
ClearAndWriteLine(edgeReachedException.Message);
}
}
ClearAndWriteLine("Rover launched successfully.");
}