Restructured folders and project names, ci should be fixed

src/NadekoBot/Modules/Gambling/Common/Blackjack/Player.cs

@@ -0,0 +1,65 @@
+using Discord;
+using NadekoBot.Modules.Gambling.Common;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace NadekoBot.Core.Modules.Gambling.Common.Blackjack
+{
+    public abstract class Player
+    {
+        public List<Deck.Card> Cards { get; } = new List<Deck.Card>();
+
+        public int GetHandValue()
+        {
+            var val = GetRawHandValue();
+
+            // while the hand value is greater than 21, for each ace you have in the deck
+            // reduce the value by 10 until it drops below 22
+            // (emulating the fact that ace is either a 1 or a 11)
+            var i = Cards.Count(x => x.Number == 1);
+            while (val > 21 && i-- > 0)
+            {
+                val -= 10;
+            }
+            return val;
+        }
+
+        public int GetRawHandValue()
+        {
+            return Cards.Sum(x => x.Number == 1 ? 11 : x.Number >= 10 ? 10 : x.Number);
+        }
+    }
+
+    public class Dealer : Player
+    {
+
+    }
+
+    public class User : Player
+    {
+        public enum UserState
+        {
+            Waiting,
+            Stand,
+            Bust,
+            Blackjack,
+            Won,
+            Lost
+        }
+
+        public User(IUser user, long bet)
+        {
+            if (bet <= 0)
+                throw new ArgumentOutOfRangeException(nameof(bet));
+
+            this.Bet = bet;
+            this.DiscordUser = user;
+        }
+
+        public UserState State { get; set; } = UserState.Waiting;
+        public long Bet { get; set; }
+        public IUser DiscordUser { get; }
+        public bool Done => State != UserState.Waiting;
+    }
+}