public HandGrouping(Card[] cards)
{
Guards.ArgumentNotNull(cards, nameof(cards));
Guards.ArgumentSuccess(cards.Length >= 5 && cards.Length <= 7, nameof(cards), "Only 5-7 cards can be grouped");
var groups = new Dictionary <Face, List <Card> >();
var unique = new HashSet <Card>();
foreach (var card in cards)
{
if (!card.IsValid)
{
throw new ArgumentException("Invalid cards cannot be grouped", nameof(cards));
}
if (unique.Contains(card))
{
throw new ArgumentException("Duplicate cards cannot be grouped", nameof(cards));
}
unique.Add(card);
if (!groups.ContainsKey(card.Face))
{
groups.Add(card.Face, new List <Card>());
}
groups[card.Face].Add(card);
}
FourOfAKind = new List <List <Card> >();
ThreeOfAKind = new List <List <Card> >();
Pair = new List <List <Card> >();
Single = new List <List <Card> >();
foreach (var face in groups.Keys)
{
var list = groups[face];
if (list.Count == 4)
{
FourOfAKind.Add(list);
}
else if (list.Count == 3)
{
ThreeOfAKind.Add(list);
}
else if (list.Count == 2)
{
Pair.Add(list);
}
else if (list.Count == 1)
{
Single.Add(list);
}
else
{
throw new InvalidOperationException("Impossible grouping");
}
}
}
public Table(Deck deck, TableStatus status, byte[] community)
{
Guards.ArgumentNotNull(deck, nameof(deck));
Guards.ArgumentSuccess(status.IsValid(), nameof(status));
Guards.ArgumentHasExactSize(community, 5, nameof(community));
this.Deck = deck;
this.Status = status;
this.First = community[0] == 0 ? (Card?)null : new Card(community[0]);
this.Second = community[1] == 0 ? (Card?)null : new Card(community[1]);
this.Third = community[2] == 0 ? (Card?)null : new Card(community[2]);
this.Turn = community[3] == 0 ? (Card?)null : new Card(community[3]);
this.River = community[4] == 0 ? (Card?)null : new Card(community[4]);
var duplicate = community.Where(_ => _ != 0).GroupBy(_ => _).Any(_ => _.Count() > 1);
Guards.ArgumentSuccess(!duplicate, nameof(community), "Duplicate card found");
var mismatch = $"Community cards don't match table status: {status}, ";
switch (status)
{
case TableStatus.BeforeFlop:
Guards.ArgumentSuccess(First == null, nameof(community), mismatch + "First");
Guards.ArgumentSuccess(Second == null, nameof(community), mismatch + "Second");
Guards.ArgumentSuccess(Third == null, nameof(community), mismatch + "Third");
Guards.ArgumentSuccess(Turn == null, nameof(community), mismatch + "Turn");
Guards.ArgumentSuccess(River == null, nameof(community), mismatch + "River");
break;
case TableStatus.BeforeTurn:
Guards.ArgumentSuccess(First != null, nameof(community), mismatch + "First");
Guards.ArgumentSuccess(Second != null, nameof(community), mismatch + "Second");
Guards.ArgumentSuccess(Third != null, nameof(community), mismatch + "Third");
Guards.ArgumentSuccess(Turn == null, nameof(community), mismatch + "Turn");
Guards.ArgumentSuccess(River == null, nameof(community), mismatch + "River");
break;
case TableStatus.BeforeRiver:
Guards.ArgumentSuccess(First != null, nameof(community), mismatch + "First");
Guards.ArgumentSuccess(Second != null, nameof(community), mismatch + "Second");
Guards.ArgumentSuccess(Third != null, nameof(community), mismatch + "Third");
Guards.ArgumentSuccess(Turn != null, nameof(community), mismatch + "Turn");
Guards.ArgumentSuccess(River == null, nameof(community), mismatch + "River");
break;
case TableStatus.Complete:
Guards.ArgumentSuccess(First != null, nameof(community), mismatch + "First");
Guards.ArgumentSuccess(Second != null, nameof(community), mismatch + "Second");
Guards.ArgumentSuccess(Third != null, nameof(community), mismatch + "Third");
Guards.ArgumentSuccess(Turn != null, nameof(community), mismatch + "Turn");
Guards.ArgumentSuccess(River != null, nameof(community), mismatch + "River");
break;
}
}
public Deck(byte[] binary)
{
Guards.ArgumentNotNull(binary, nameof(binary));
_cards = new Stack <Card>(binary.Select(_ => new Card(_)));
}