public ToyRobotState Run(string[] commands)
{
if (commands is null)
{
throw new ArgumentNullException(nameof(commands));
}
ToyRobot toyRobot = null;
foreach (string command in commands)
{
try
{
toyRobot = ExecuteCommand(toyRobot, command);
}
catch (Exception exception)
{
_errorReporter.Send(exception);
}
}
return(toyRobot?.GetState());
}
private ToyRobot ExecuteCommand(ToyRobot toyRobot, string command)
{
string[] commandComponents = command.Split(' ');
string commandType = commandComponents[0];
switch (commandType)
{
case Constants.Commands.PLACE:
toyRobot = _placeManager.PlaceRobotOnTable(command);
break;
case Constants.Commands.MOVE:
ValidateNoArgumentsCommand(commandComponents);
toyRobot?.Move();
break;
case Constants.Commands.LEFT:
ValidateNoArgumentsCommand(commandComponents);
toyRobot?.Left();
break;
case Constants.Commands.RIGHT:
ValidateNoArgumentsCommand(commandComponents);
toyRobot?.Right();
break;
case Constants.Commands.REPORT:
ValidateNoArgumentsCommand(commandComponents);
toyRobot?.Report();
break;
default:
throw new InvalidOperationException($"invalid command: {command}");
}
return(toyRobot);
}
