public List<Move> Calculate(Game game, int diskCount)
{
var calc = new MoveCalculator();
return calc
.GeneratePlaySequence(diskCount)
.Select(disk => calc.GenerateNextMove(game, diskCount, disk))
.ToList();
}
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;
}
public Tower FindDisk(Game game, string disk)
{
return game.Towers.Cast<Tower>()
.FirstOrDefault(tower => tower.TopDisk() == disk);
}