public IReadOnlyCollection <IMove> GetAvailableMoves(Player player)
{
//No moves are available within a second of the previous move occurring
if (_getTime() - lastMoveTaken < TimeSpan.FromSeconds(1))
{
return(new List <IMove>());
}
var numberOfMovesSoFar = Squares.Count(sq => sq != ' ');
var nextPlayer = numberOfMovesSoFar % 2 == 0 ? _player1 : _player2;
//No moves are available to players whos turn it aint
if (nextPlayer != player)
{
return(new List <IMove>());
}
var nextPlayerSymbol = numberOfMovesSoFar % 2 == 0 ? 'x' : 'o';
return(Squares
.Select((c, i) => c == ' ' ? new TicTacToeMove(this, i, nextPlayerSymbol) : null)
.Where(move => move != null)
.ToList()
.AsReadOnly());
}
private bool CheckForStalemate() => Squares.All(sq => sq != ' ');