first build of v2

SkyBot/Services/Messages/Create.cs

@@ -0,0 +1,51 @@
+using System.Collections.Concurrent;
+using Skybot;
+using SkyBot.Commands;
+using SkyBot.Helpers;
+using Valour.Sdk.Client;
+using Valour.Sdk.Models;
+
+namespace SkyBot.Services.Messages
+{
+    public static class Create
+    {
+        public static async Task MessageAsync(
+            ValourClient client,
+            ConcurrentDictionary<long, Channel> channelCache,
+            Message message
+        )
+        {
+            string prefix = Config.Prefix;
+
+            if (message.AuthorUserId == client.Me.Id) return;
+
+            string content = message.Content ?? "";
+            if (string.IsNullOrWhiteSpace(content)) return;
+            if (!content.StartsWith(prefix)) return;
+
+            long channelId = message.ChannelId;
+
+            PlanetMember member = await message.FetchAuthorMemberAsync();
+            
+            var parts = content.Substring(prefix.Length).Split(' ', StringSplitOptions.RemoveEmptyEntries);
+            if (parts.Length == 0) return;
+            
+            string command = parts[0].ToLower();
+            string[] args = parts[1..];
+
+            switch (command)
+            {
+                case "help":
+                    await HelpCommand.Execute(channelCache, channelId, prefix, member);
+                    break;
+
+                default:
+                    if (channelCache.TryGetValue(channelId, out var channel))
+                    {
+                        await channel.SendMessageAsync($"{MentionHelper.Mention(member)} Unknown command.");
+                    }
+                    break;
+            }
+        }
+    }
+}