private string MoveDisk(Move move)
{
var sourceTower = _diskFinder.FindDisk(this, move.Disk);
var destinationTower = _towerFinder.Find(this, sourceTower, move.StepDirection);
sourceTower.RemoveDisk();
destinationTower.AddDisk(move.Disk);
return string.Format("Move Disk {0} from {1} to {2}", move.Disk, sourceTower, destinationTower);
}
public Move GenerateNextMove(Game game, int diskCount, string disk)
{
var index = new AlphaNumericConverter().AlphaToNumeric(disk);
var move = new Move { Disk = disk };
var oddStackPositionStepDirection =
StackHasOddNumberOfDisks(diskCount) // If stack has an odd disk count
? StepDirection.Left // start with move to left
: StepDirection.Right; // else start with move to the right
// Disks moves alternate between left and right
move.StepDirection =
DiskIsInEvenStackPosition(index)
? ReverseStepDirection(oddStackPositionStepDirection)
: oddStackPositionStepDirection;
return move;
}
