public bool Do(string input)
{
var command = parser.ParseCommand(input);
if (IsRobotInUnknownState(command))
{
return(false);
}
switch (command.Command)
{
case Command.Place:
var parameter = (PlaceParameter)command.CommandParameter;
if (tabletop.IsValidPosition(parameter.X, parameter.Y))
{
robot.Place(parameter.X, parameter.Y, parameter.Direction);
}
else
{
return(false);
}
break;
case Command.Move:
var newPosition = robot.CalculateNextPosition();
if (tabletop.IsValidPosition(newPosition.X, newPosition.Y))
{
robot.Place(newPosition.X, newPosition.Y, robot.CurrentDirection);
}
else
{
return(false);
}
break;
case Command.Left:
robot.Rotate(Rotation.Left);
break;
case Command.Right:
robot.Rotate(Rotation.Right);
break;
case Command.Report:
PrintReport();
break;
}
return(true);
}
