public int? ScoreFrame(IFrame frameToScore)
{
if (!frameToScore.IsSpare())
{
return null;
}
var subsequentFrame = frameToScore.NextFrame;
var subsequentFrameBall1Pins = subsequentFrame.PinsWithBall1;
var frameScore = frameToScore.TotalPins;
if (subsequentFrameBall1Pins > 0)
{
frameScore += subsequentFrameBall1Pins.GetValueOrDefault(0);
}
return frameScore;
}
public IFrameScorer GetScorer(IFrame frameToScore)
{
IFrameScorer frameScorer;
if(frameToScore.IsStrike())
{
frameScorer = new StrikeFrameScorer();
}
else if(frameToScore.IsSpare())
{
frameScorer = new SpareFrameScorer();
}
else
{
frameScorer = new NormalFrameScorer();
}
return frameScorer;
}
public Score GetBonusScore(IFrame frame) => frame.IsSpare() ? _ball1.TotalScore() : TotalScore();