public override Maybe <Hand> IsMatch(IEnumerable <Card> cards)
{
ThrowIfDuplicate(cards);
if (cards.Count() < 5)
{
return(Maybe <Hand> .None);
}
List <Card> cardsInSuit = HandHelper.GetSuitedCards(cards, 5, true);
if (cardsInSuit.Count < 5)
{
return(Maybe <Hand> .None);
}
List <Card> straightFlushCards = HandHelper.ResolveStraight(cardsInSuit);
if (straightFlushCards.Count != 5)
{
return(Maybe <Hand> .None);
}
return(CreateCopy <Hand>(straightFlushCards));
}
public override Maybe <Hand> IsMatch(IEnumerable <Card> cards)
{
ThrowIfDuplicate(cards);
if (cards.Count() < 5)
{
return(Maybe <Hand> .None);
}
List <Card> pairs = cards.GroupBy(s => s.Value)
.Where(g => g.Count() == 2)
.SelectMany(grp => grp)
.OrderBy(c => c.Value)
.ToList();
List <Card> pairsRemoved = new List <Card>(cards);
//TODO: Improve
if (pairs.Count >= 2)
{
pairsRemoved.Remove(pairs.Take(1).First());
}
if (pairs.Count >= 4)
{
pairsRemoved.Remove(pairs.Skip(2).Take(1).First());
}
List <Card> cardsInStraight = pairsRemoved
.OrderByDescending(c => c.Value)
.ToList();
List <Card> straight = HandHelper.ResolveStraight(cardsInStraight);
if (straight.Count != 5)
{
return(Maybe <Hand> .None);
}
return(CreateCopy <Hand>(straight));
}