From 56a818254e1082a8fc65f3508984e456217d7628 Mon Sep 17 00:00:00 2001
From: flashwave <me@flash.moe>
Date: Wed, 8 Feb 2023 04:32:12 +0100
Subject: [PATCH] Backported SharpId class

---
 SharpChat/ChatChannel.cs |  3 +--
 SharpChat/ChatContext.cs |  4 +---
 SharpChat/Database.cs    | 15 +--------------
 SharpChat/SharpId.cs     | 14 ++++++++++++++
 4 files changed, 17 insertions(+), 19 deletions(-)
 create mode 100644 SharpChat/SharpId.cs

diff --git a/SharpChat/ChatChannel.cs b/SharpChat/ChatChannel.cs
index 0570e40..34b7840 100644
--- a/SharpChat/ChatChannel.cs
+++ b/SharpChat/ChatChannel.cs
@@ -17,8 +17,7 @@ namespace SharpChat {
 
         public string TargetName => Name;
 
-        public ChatChannel() {
-        }
+        public ChatChannel() { }
 
         public ChatChannel(string name) {
             Name = name;
diff --git a/SharpChat/ChatContext.cs b/SharpChat/ChatContext.cs
index 894bf45..dea69ef 100644
--- a/SharpChat/ChatContext.cs
+++ b/SharpChat/ChatContext.cs
@@ -4,15 +4,13 @@ using System;
 using System.Collections.Generic;
 
 namespace SharpChat {
-    public class ChatContext : IDisposable, IPacketTarget {
+    public class ChatContext : IDisposable {
         public bool IsDisposed { get; private set; }
 
         public ChannelManager Channels { get; }
         public UserManager Users { get; }
         public ChatEventManager Events { get; }
 
-        public string TargetName => "@broadcast";
-
         public ChatContext() {
             Users = new(this);
             Channels = new(this);
diff --git a/SharpChat/Database.cs b/SharpChat/Database.cs
index cce4c27..28942ce 100644
--- a/SharpChat/Database.cs
+++ b/SharpChat/Database.cs
@@ -107,22 +107,9 @@ namespace SharpChat {
             return null;
         }
 
-        private const long ID_EPOCH = 1588377600000;
-        private static int IdCounter = 0;
-
-        public static long GenerateId() {
-            if(IdCounter > 200)
-                IdCounter = 0;
-
-            long id = 0;
-            id |= (DateTimeOffset.Now.ToUnixTimeMilliseconds() - ID_EPOCH) << 8;
-            id |= (ushort)(++IdCounter);
-            return id;
-        }
-
         public static void LogEvent(IChatEvent evt) {
             if(evt.SequenceId < 1)
-                evt.SequenceId = GenerateId();
+                evt.SequenceId = SharpId.Next();
 
             RunCommand(
                 "INSERT INTO `sqc_events` (`event_id`, `event_created`, `event_type`, `event_target`, `event_flags`, `event_data`"
diff --git a/SharpChat/SharpId.cs b/SharpChat/SharpId.cs
new file mode 100644
index 0000000..ad79736
--- /dev/null
+++ b/SharpChat/SharpId.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Threading;
+
+namespace SharpChat {
+    public static class SharpId {
+        private const long EPOCH = 1588377600000;
+        private static int Counter = 0;
+
+        public static long Next()
+            => ((DateTimeOffset.Now.ToUnixTimeMilliseconds() - EPOCH) << 8)
+                | (ushort)(Interlocked.Increment(ref Counter) & 0xFFFF);
+    }
+
+}