public void MoveWheels(RoverCommand command)
{
int x = _commandableRover.CurrentXPos;
if (command.Rotation == RoverRotates.Left)
{
x = _commandableRover.CurrentXPos + command.Steps;
_commandableRover.SetPosition(x, _commandableRover.CurrentYPos, RoverDirections.East);
}
else if (command.Rotation == RoverRotates.Right)
{
x = _commandableRover.CurrentXPos - command.Steps;
_commandableRover.SetPosition(x, _commandableRover.CurrentYPos, RoverDirections.West);
}
else
{
throw new ApplicationException($"Southbound rover unable move {command.Steps} steps towards {command.Rotation}");
}
}
private IList <RoverCommand> ParseCommands(string commands)
{
List <RoverCommand> roverCommands = new List <RoverCommand>();
string stepInCommand = string.Empty;
for (int i = 0; i < commands.Length; i++)
{
char character = commands[i];
if (character == (char)RoverRotates.Left || character == (char)RoverRotates.Right)
{
if (roverCommands.Count > 0 && !string.IsNullOrEmpty(stepInCommand))
{
roverCommands.Last().Steps = int.Parse(stepInCommand);
stepInCommand = string.Empty;
}
var roverCommand = new RoverCommand {
Rotation = (RoverRotates)Enum.ToObject(typeof(RoverRotates), character)
};
roverCommands.Add(roverCommand);
continue;
}
if (char.IsDigit(character))
{
stepInCommand = string.Concat(stepInCommand, character);
}
}
if (roverCommands.Count > 0 && !string.IsNullOrEmpty(stepInCommand))
{
roverCommands.Last().Steps = int.Parse(stepInCommand);
}
return(roverCommands);
}
