static void Main(string[] args)
{
string inputFile = AppDomain.CurrentDomain.BaseDirectory + "Input.txt";
try
{
var fileLines = File.ReadLines(inputFile).GetEnumerator();
// Use the first line to create the map
fileLines.MoveNext();
MapGrid map = InputHandler.CreateMap(fileLines.Current);
MappedRover rover = null;
while (fileLines.MoveNext())
{
string input = fileLines.Current;
if (rover == null)
{
rover = InputHandler.CreateRover(map, input);
}
else
{
string status = InputHandler.CommandRover(rover, input);
Console.WriteLine(status);
rover = null;
}
}
}
catch (Exception e)
{
Console.WriteLine($"Input file could not be processed: {e.Message}");
}
}
/// <summary>
/// Sends the specified commands to the rover, then returns its final
/// coordinates and direction.
/// </summary>
/// <param name="rover">Rover to send commands to</param>
/// <param name="input">Commands to perform</param>
public static string CommandRover(MappedRover rover, string input)
{
if (rover == null)
{
throw new ArgumentNullException(nameof(rover));
}
if (string.IsNullOrWhiteSpace(input))
{
throw new ArgumentException("Commands not provided", nameof(input));
}
foreach (char command in input)
{
if (command == 'M')
{
rover.TryMoveForward();
}
else if (command == 'L')
{
rover.TurnLeft();
}
else if (command == 'R')
{
rover.TurnRight();
}
}
char directionChar = rover.Direction.ToString()[0];
string status = $"{rover.XCoordinate} {rover.YCoordinate} {directionChar}";
return(status);
}
