public override Maybe <Hand> IsMatch(IEnumerable <Card> cards)
{
ThrowIfDuplicate(cards);
if (cards.Count() < 5)
{
return(Maybe <Hand> .None);
}
List <Card> highPair = HandHelper.GetOfAKind(cards, 2);
List <Card> remaining = HandHelper.GetRemainingCards(cards, highPair);
List <Card> lowPair = HandHelper.GetOfAKind(remaining, 2);
List <Card> twoPairs = highPair.Concat(lowPair).ToList();
if (twoPairs.Count != 4)
{
return(Maybe <Hand> .None);
}
List <Card> highCards = HandHelper.GetRemainingCards(cards, twoPairs);
Card highCard = highCards.OrderByDescending(c => c.Value).First();
List <Card> finalCards = new List <Card>(twoPairs);
finalCards.Add(highCard);
return(CreateCopy <Hand>(finalCards));
}
public override Maybe <Hand> IsMatch(IEnumerable <Card> cards)
{
ThrowIfDuplicate(cards);
if (cards.Count() < 5)
{
return(Maybe <Hand> .None);
}
List <Card> treeOfAKind = HandHelper.GetOfAKind(cards, 3);;
if (treeOfAKind.Count != 3)
{
return(Maybe <Hand> .None);
}
List <Card> remainingCard = cards.ToList()
.FindAll(c => c.Value != treeOfAKind.First().Value);
List <Card> pair = HandHelper.GetOfAKind(remainingCard, 2);
if (pair.Count != 2)
{
return(Maybe <Hand> .None);
}
List <Card> finalCards = new List <Card>(treeOfAKind);
finalCards.AddRange(pair);
return(CreateCopy <Hand>(finalCards));
}
public override Maybe <Hand> IsMatch(IEnumerable <Card> cards)
{
ThrowIfDuplicate(cards);
if (cards.Count() < 2)
{
return(Maybe <Hand> .None);
}
List <Card> pair = HandHelper.GetOfAKind(cards, 2);
if (pair.Count != 2)
{
return(Maybe <Hand> .None);
}
List <Card> highCards = HandHelper.GetHighCards(cards, pair);
List <Card> finalCards = new List <Card>(pair);
finalCards.AddRange(highCards);
return(CreateCopy <Hand>(finalCards));
}
public override Maybe <Hand> IsMatch(IEnumerable <Card> cards)
{
ThrowIfDuplicate(cards);
if (cards.Count() < 5)
{
return(Maybe <Hand> .None);
}
List <Card> fourOfAKind = HandHelper.GetOfAKind(cards, 4);
if (fourOfAKind.Count != 4)
{
return(Maybe <Hand> .None);
}
List <Card> highCards = HandHelper.GetHighCards(cards, fourOfAKind);
List <Card> finalCards = new List <Card>(fourOfAKind);
finalCards.Add(highCards.First());
return(CreateCopy <Hand>(finalCards));
}
public override Maybe <Hand> IsMatch(IEnumerable <Card> cards)
{
ThrowIfDuplicate(cards);
if (cards.Count() < 5)
{
return(Maybe <Hand> .None);
}
List <Card> threeOfAKind = HandHelper.GetOfAKind(cards, 3);
if (threeOfAKind.Count != 3)
{
return(Maybe <Hand> .None);
}
List <Card> highCards = HandHelper.GetHighCards(cards, threeOfAKind);
List <Card> finalCards = new List <Card>(threeOfAKind);
finalCards.AddRange(highCards);
return(CreateCopy <Hand>(finalCards));
}