add and fix a lot

ScpSwap/SwapCommand.cs

@@ -0,0 +1,81 @@
+using CommandSystem;
+using LabApi.Features.Wrappers;
+using PlayerRoles;
+
+namespace ScpSwap;
+
+[CommandHandler(typeof(ClientCommandHandler))]
+public class SwapCommand : ICommand
+{
+    public bool Execute(ArraySegment<string> arguments, ICommandSender sender, out string response)
+    {
+        if (arguments.Count != 1)
+        {
+            response = "Usage: .scpswap <SCP_NUMBER>";
+            return false;
+        }
+
+        if (!Player.TryGet(sender, out var player))
+        {
+            response = "You must be a player to use this command!";
+            return false;
+        }
+
+        if (Round.Duration.TotalSeconds > 120)
+        {
+            response = "You can't swap SCPs during a round!";
+            return false;
+        }
+
+        if (!player.IsSCP)
+        {
+            response = "You must be an SCP to use this command!";
+            return false;
+        }
+
+        List<string> validScp =
+        [
+            "049",
+            "079",
+            "096",
+            "106",
+            "173",
+            "939",
+        ];
+
+        var arg = arguments.First();
+        
+        if (!validScp.Contains(arg))
+        {
+            response = "Invalid SCP number.";
+            return false;
+        }
+        
+        if (Player.List.Where(x=>x.IsSCP).Select(x=>x.RoleBase).Any(playerRole => playerRole.RoleName == "SCP-" + arg))
+        {
+            response = "Already exists";
+            return false;
+        }
+
+        var role = arg switch
+        {
+            "049" => RoleTypeId.Scp049,
+            "079" => RoleTypeId.Scp079,
+            "096" => RoleTypeId.Scp096,
+            "106" => RoleTypeId.Scp106,
+            "173" => RoleTypeId.Scp173,
+            "939" => RoleTypeId.Scp939,
+            _ => throw new ArgumentOutOfRangeException()
+        };
+
+        player.SetRole(role);
+        
+        response = "Swapping...";
+
+        return true;
+    }
+
+    public string Command { get; } = "scpswap";
+    public string[] Aliases { get; } = ["ss"];
+    public string Description { get; }  = "Swaps SCPs";
+}