private static IBowlingScore ComputeScore(Roll[] inputRolls)
{
var rollsQueue = new BowlingRolls(inputRolls);
IBowlingScore totalScore = new BowlingScore();
int frameNumber = 0;
while (rollsQueue.Count > 0 && frameNumber < 10 && totalScore.IsValid)
{
IBowlingScore currentScore = new BowlingScore(rollsQueue.Dequeue());
if (currentScore.Value == 10)
{
IBowlingScore bonusValue = GetBonusValue(rollsQueue, 2);
currentScore = currentScore.Add(bonusValue);
}
else
{
if (rollsQueue.Count > 0)
{
currentScore.Add(rollsQueue.Dequeue());
if (currentScore.Value == 10)
{
IBowlingScore bonusValue = GetBonusValue(rollsQueue, 1);
currentScore = currentScore.Add(bonusValue);
}
}
}
frameNumber++;
totalScore = totalScore.Add(currentScore);
}
return(totalScore);
}
private static IBowlingScore GetBonusValue(BowlingRolls rolls, int howMany)
{
if (rolls.Count >= howMany)
{
return(rolls.TakeRolls(howMany));
}
return(new InvalidScore());
}
