From 3ad36f3e567c3d7d27feb795a09c253b9e49f215 Mon Sep 17 00:00:00 2001
From: Wizou <Wizou@Laptop>
Date: Tue, 2 Nov 2021 01:47:14 +0100
Subject: [PATCH] Fix BadMsgNotification 17 for PC with not precise system
 clock Add logging examples

---
 EXAMPLES.md       | 15 +++++++++++++++
 src/Encryption.cs |  1 +
 2 files changed, 16 insertions(+)

diff --git a/EXAMPLES.md b/EXAMPLES.md
index 63397cb..bb2c68d 100644
--- a/EXAMPLES.md
+++ b/EXAMPLES.md
@@ -183,3 +183,18 @@ client.TcpHandler = async (address, port) =>
 var user = await client.LoginUserIfNeeded();
 Console.WriteLine($"We are logged-in as {user.username ?? user.first_name + " " + user.last_name}");
 ```
+
+# Change logging settings
+Log to VS Output debugging pane in addition to default Console screen logging:
+```csharp
+WTelegram.Helpers.Log += (lvl, str) => System.Diagnostics.Debug.WriteLine(str);
+```
+Log to file in replacement of default Console screen logging:
+```csharp
+WTelegram.Helpers.Log = (lvl, str) => File.AppendAllText("WTelegram.log", str + Environment.NewLine);
+```
+More efficient example with a static variable and detailed logging to file:
+```csharp
+static StreamWriter WTelegramLogs = new StreamWriter("WTelegram.log", true, Encoding.UTF8) { AutoFlush = true };
+...
+WTelegram.Helpers.Log = (lvl, str) => WTelegramLogs.WriteLine($"{DateTime.Now:yyyy-MM-dd HH:mm:ss} [{"TDIWE!"[lvl]}] {str}");
diff --git a/src/Encryption.cs b/src/Encryption.cs
index 94f5291..fe94104 100644
--- a/src/Encryption.cs
+++ b/src/Encryption.cs
@@ -117,6 +117,7 @@ namespace WTelegram
 			var g_a = BigEndianInteger(serverDHinnerData.g_a);
 			var dh_prime = BigEndianInteger(serverDHinnerData.dh_prime);
 			ValidityChecks(dh_prime, serverDHinnerData.g);
+			session.LastSentMsgId = 0;
 			session.ServerTicksOffset = (serverDHinnerData.server_time - localTime).Ticks;
 			Helpers.Log(1, $"Time offset: {session.ServerTicksOffset} | Server: {serverDHinnerData.server_time.TimeOfDay} UTC | Local: {localTime.TimeOfDay} UTC");
 			//6)