public bool IsHand(IHand hand)
{
var threeOfAKind = false;
var pair = false;
for (var i = Value.Two; i <= Value.Ace; i++)
{
IEnumerable<Card> cardsOfSameValue = hand.GetCards().Where(obj => obj.GetCardValue() == i);
if (cardsOfSameValue.Count() > 2 && !threeOfAKind)
{
threeOfAKind = true;
}
else if (cardsOfSameValue.Count() > 1 && !pair)
{
pair = true;
}
if (threeOfAKind && pair)
{
hand.SetRank(Rank.FullHouse);
return true;
}
}
return false;
}
public bool IsHand(IHand hand)
{
Suit? suit = null;
Value? expectedCard = null;
int cardsChecked = 0;
foreach (var card in hand.GetCards().OrderBy(c => c.GetCardValue()))
{
if (!expectedCard.HasValue)
{
expectedCard = card.GetCardValue();
}
if (cardsChecked == 4 && expectedCard == Value.Six && card.GetCardValue() == Value.Ace)
{
hand.SetRank(Rank.StraightFlush);
return true;
}
if ((suit.HasValue && suit.Value != card.GetCardSuit())|| card.GetCardValue() != expectedCard)
{
return false;
}
suit = card.GetCardSuit();
expectedCard ++;
cardsChecked++;
}
hand.SetRank(Rank.StraightFlush);
return true;
}
public bool IsHand(IHand hand)
{
for (var i = Value.Two; i <= Value.Ace; i ++)
{
var fourMatchCheck = hand.GetCards().Where(obj => obj.GetCardValue() == i);
if (fourMatchCheck.Count() == 4)
{
hand.SetRank(Rank.FourOfAKind);
return true;
}
}
return false;
}
public bool IsHand(IHand hand)
{
for (var i = Value.Two; i <= Value.Ace; i++)
{
IEnumerable<Card> cardsOfSameValue = hand.GetCards().Where(obj => obj.GetCardValue() == i);
if (cardsOfSameValue.Count() == 3)
{
hand.SetRank(Rank.ThreeOfAKind);
return true;
}
}
return false;
}
public bool IsHand(IHand hand)
{
Suit? suit = null;
foreach (var card in hand.GetCards())
{
if (suit.HasValue && suit != card.GetCardSuit())
{
return false;
}
suit = card.GetCardSuit();
}
hand.SetRank(Rank.Flush);
return true;
}
private static bool IsAceLowStraight(IHand hand)
{
hand.GetCards().Sort();
return (hand.GetCards()[0].GetCardValue() == Value.Two
&& hand.GetCards()[1].GetCardValue() == Value.Three
&& hand.GetCards()[2].GetCardValue() == Value.Four
&& hand.GetCards()[3].GetCardValue() == Value.Five
&& hand.GetCards()[4].GetCardValue() == Value.Ace);
}
public bool IsHand(IHand hand)
{
Suit? suit = null;
var expectedCard = Value.Ten;
foreach (var card in hand.GetCards().OrderBy(c => c.GetCardValue()))
{
if ((suit.HasValue && suit.Value != card.GetCardSuit()) || (card.GetCardValue() != expectedCard))
{
return false;
}
expectedCard++;
suit = card.GetCardSuit();
}
hand.SetRank(Rank.RoyalFlush);
return true;
}
public bool IsHand(IHand hand)
{
var numberOfPairs = 0;
for (var i = Value.Two; i <= Value.Ace; i++)
{
var cardsOfSameValue = hand.GetCards().Where(obj => obj.GetCardValue() == i);
if (cardsOfSameValue.Count() == 2)
{
numberOfPairs++;
}
}
if (numberOfPairs == 1)
{
hand.SetRank(Rank.Pair);
return true;
}
return false;
}
private int ScoreHand(IHand hand, bool includeHiddenCards)
{
int totalScore = 0;
var cardsToScore = hand.GetCards(!includeHiddenCards);
foreach (ICard card in cardsToScore)
{
totalScore += BlackjackGame.GetCardValue(card);
}
if (hand.AceCount() > 0)
{
// assume they will want to Stand on 18+
if (totalScore > 7 && totalScore < 12)
{
if (includeHiddenCards == true) // when cards are hidden, just take lowest total
{
totalScore += 10;
}
}
}
return(totalScore);
}
