From 22147ce6bc3cc45ef3871f6b4c7fdef13303160f Mon Sep 17 00:00:00 2001
From: Christoph Wille <christoph.wille@gmail.com>
Date: Sun, 4 Jun 2023 13:47:14 +0200
Subject: [PATCH] Basic WPF Sparkle setup (note JsonConfiguration is not yet
 active, issue opened)

---
 ILSpy/ILSpy.csproj       |  1 +
 ILSpy/MainWindow.xaml.cs | 41 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)

diff --git a/ILSpy/ILSpy.csproj b/ILSpy/ILSpy.csproj
index d33163bad..95a2d755e 100644
--- a/ILSpy/ILSpy.csproj
+++ b/ILSpy/ILSpy.csproj
@@ -45,6 +45,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Composition" Version="17.4.16" />
     <PackageReference Include="DataGridExtensions" Version="2.5.14" />
     <PackageReference Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.39" />
+    <PackageReference Include="NetSparkleUpdater.UI.WPF" Version="2.2.2" />
     <PackageReference Include="TomsToolbox.Wpf.Styles" Version="$(WpfStylesToolboxVersion)" />
   </ItemGroup>
 
diff --git a/ILSpy/MainWindow.xaml.cs b/ILSpy/MainWindow.xaml.cs
index eaa65475b..f474d4093 100644
--- a/ILSpy/MainWindow.xaml.cs
+++ b/ILSpy/MainWindow.xaml.cs
@@ -57,6 +57,11 @@ using ICSharpCode.TreeView;
 
 using Microsoft.Win32;
 
+using NetSparkleUpdater.Enums;
+using NetSparkleUpdater.SignatureVerifiers;
+using NetSparkleUpdater;
+using System.Runtime.InteropServices;
+
 namespace ICSharpCode.ILSpy
 {
 	/// <summary>
@@ -72,6 +77,8 @@ namespace ICSharpCode.ILSpy
 		AssemblyList assemblyList;
 		AssemblyListTreeNode assemblyListTreeNode;
 
+		SparkleUpdater _sparkle;
+
 		static MainWindow instance;
 
 		public static MainWindow Instance {
@@ -895,6 +902,37 @@ namespace ICSharpCode.ILSpy
 			}
 
 			Dispatcher.BeginInvoke(DispatcherPriority.Loaded, new Action(() => OpenAssemblies(spySettings)));
+
+
+			var s = new UpdateSettings(spySettings);
+			bool automaticCheckingEnabled = s.AutomaticUpdateCheckEnabled;
+#if DEBUG
+			// automaticCheckingEnabled = false;
+#endif
+
+			if (automaticCheckingEnabled)
+				EnableSparkleUpdateChecking();
+		}
+
+		void EnableSparkleUpdateChecking()
+		{
+			// We'd need two appcast.xml's, one for x64 and one for arm64
+			if (RuntimeInformation.ProcessArchitecture != Architecture.X64)
+				return;
+
+			// https://github.com/NetSparkleUpdater/NetSparkle/blob/develop/src/NetSparkle.Samples.NetCore.WPF/MainWindow.xaml.cs
+			string sparkleSettingsPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "ICSharpCode\\ILSpy-sparkle.json");
+
+			_sparkle = new SparkleUpdater(
+				"https://ilspy.net/appcast.xml",
+				new Ed25519Checker(SecurityMode.Strict, "s2P6MPexSRSjod77aWUjgVKj/gKYYAeqgHY/0Gf8b78=")
+			) {
+				UIFactory = new NetSparkleUpdater.UI.WPF.UIFactory(null),
+				RelaunchAfterUpdate = false,
+				CustomInstallerArguments = "",
+				// Configuration = new JSONConfiguration(null, sparkleSettingsPath)
+			};
+			_sparkle.StartLoop(true);
 		}
 
 		void OpenAssemblies(ILSpySettings spySettings)
@@ -951,6 +989,9 @@ namespace ICSharpCode.ILSpy
 
 		public async Task ShowMessageIfUpdatesAvailableAsync(ILSpySettings spySettings, bool forceCheck = false)
 		{
+			// TODO: Properly replace old code-paths, this is for UI testing of Netsparkle only
+			var info = await _sparkle.CheckForUpdatesAtUserRequest();
+
 			string downloadUrl;
 			if (forceCheck)
 			{