inial impl

Faraon.Core/Models/Deck.cs

@@ -0,0 +1,42 @@
+namespace Faraon.Core.Models;
+
+public class Deck
+{
+    private readonly Random _random;
+
+    public Deck(int? seed = null)
+    {
+        _random = seed.HasValue ? new Random(seed.Value) : new Random();
+    }
+
+    public static List<Card> CreateStandardDeck()
+    {
+        var cards = new List<Card>(32);
+        foreach (Suit suit in Enum.GetValues<Suit>())
+        {
+            foreach (Rank rank in Enum.GetValues<Rank>())
+            {
+                cards.Add(new Card(suit, rank));
+            }
+        }
+        return cards;
+    }
+
+    public List<Card> CreateShuffledDeck()
+    {
+        var deck = CreateStandardDeck();
+        Shuffle(deck);
+        return deck;
+    }
+
+    public void Shuffle<T>(List<T> list)
+    {
+        int n = list.Count;
+        while (n > 1)
+        {
+            n--;
+            int k = _random.Next(n + 1);
+            (list[k], list[n]) = (list[n], list[k]);
+        }
+    }
+}