From 4651c8012c64ecdaf8c18c3446801c6dd0e06ae1 Mon Sep 17 00:00:00 2001
From: Matt Parker <61717342+MattParkerDev@users.noreply.github.com>
Date: Wed, 1 Oct 2025 19:47:47 +1000
Subject: [PATCH] add appstate

---
 .../Features/IdeSettings/AppState.cs          | 19 +++++++++
 .../Features/IdeSettings/AppState.cs.uid      |  1 +
 .../Features/IdeSettings/AppStateLoader.cs    | 39 +++++++++++++++++++
 .../IdeSettings/AppStateLoader.cs.uid         |  1 +
 src/SharpIDE.Godot/IdeWindow.cs               | 21 +++++-----
 src/SharpIDE.Godot/Singletons.cs              |  2 +
 6 files changed, 74 insertions(+), 9 deletions(-)
 create mode 100644 src/SharpIDE.Godot/Features/IdeSettings/AppState.cs
 create mode 100644 src/SharpIDE.Godot/Features/IdeSettings/AppState.cs.uid
 create mode 100644 src/SharpIDE.Godot/Features/IdeSettings/AppStateLoader.cs
 create mode 100644 src/SharpIDE.Godot/Features/IdeSettings/AppStateLoader.cs.uid

diff --git a/src/SharpIDE.Godot/Features/IdeSettings/AppState.cs b/src/SharpIDE.Godot/Features/IdeSettings/AppState.cs
new file mode 100644
index 0000000..105e7f8
--- /dev/null
+++ b/src/SharpIDE.Godot/Features/IdeSettings/AppState.cs
@@ -0,0 +1,19 @@
+namespace SharpIDE.Godot.Features.IdeSettings;
+
+public class AppState
+{
+    public string? LastOpenSolutionFilePath { get; set; }
+    public IdeSettings IdeSettings { get; set; } = new IdeSettings();
+    public List<PreviouslyOpenedSln> PreviouslyOpenedSolutions { get; set; } = [];
+}
+
+public class IdeSettings
+{
+    public bool AutoOpenLastSolution { get; set; }
+}
+
+public class PreviouslyOpenedSln
+{
+    public required string Name { get; set; }
+    public required string FilePath { get; set; }
+}
\ No newline at end of file
diff --git a/src/SharpIDE.Godot/Features/IdeSettings/AppState.cs.uid b/src/SharpIDE.Godot/Features/IdeSettings/AppState.cs.uid
new file mode 100644
index 0000000..d7ba844
--- /dev/null
+++ b/src/SharpIDE.Godot/Features/IdeSettings/AppState.cs.uid
@@ -0,0 +1 @@
+uid://ccsfv10f1lhxd
diff --git a/src/SharpIDE.Godot/Features/IdeSettings/AppStateLoader.cs b/src/SharpIDE.Godot/Features/IdeSettings/AppStateLoader.cs
new file mode 100644
index 0000000..a9ea1f5
--- /dev/null
+++ b/src/SharpIDE.Godot/Features/IdeSettings/AppStateLoader.cs
@@ -0,0 +1,39 @@
+using System.Text.Json;
+using Ardalis.GuardClauses;
+
+namespace SharpIDE.Godot.Features.IdeSettings;
+
+public static class AppStateLoader
+{
+    private static string GetConfigFilePath()
+    {
+        var folder = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
+        var configFolder = Path.Combine(folder, "SharpIDE");
+        Directory.CreateDirectory(configFolder);
+        var configFilePath = Path.Combine(configFolder, "sharpIde.json");
+        return configFilePath;
+    }
+
+    public static AppState LoadAppStateFromConfigFile()
+    {
+        var configFilePath = GetConfigFilePath();
+        if (File.Exists(configFilePath) is false)
+        {
+            File.WriteAllText(configFilePath, "{}");
+        }
+
+        using var stream = File.OpenRead(configFilePath);
+        var deserializedAppState = JsonSerializer.Deserialize<AppState>(stream);
+        Guard.Against.Null(deserializedAppState, nameof(deserializedAppState));
+        
+        return deserializedAppState;
+    }
+
+    public static void SaveAppStateToConfigFile(AppState appState)
+    {
+        var configFilePath = GetConfigFilePath();
+        using var stream = File.Create(configFilePath);
+        JsonSerializer.Serialize(stream, appState);
+        stream.Flush();
+    }
+}
\ No newline at end of file
diff --git a/src/SharpIDE.Godot/Features/IdeSettings/AppStateLoader.cs.uid b/src/SharpIDE.Godot/Features/IdeSettings/AppStateLoader.cs.uid
new file mode 100644
index 0000000..085bfe6
--- /dev/null
+++ b/src/SharpIDE.Godot/Features/IdeSettings/AppStateLoader.cs.uid
@@ -0,0 +1 @@
+uid://dnu6x5m37dapi
diff --git a/src/SharpIDE.Godot/IdeWindow.cs b/src/SharpIDE.Godot/IdeWindow.cs
index ae40f64..50a923d 100644
--- a/src/SharpIDE.Godot/IdeWindow.cs
+++ b/src/SharpIDE.Godot/IdeWindow.cs
@@ -2,6 +2,7 @@ using Godot;
 using Microsoft.Build.Locator;
 using Microsoft.Extensions.Hosting;
 using SharpIDE.Application.Features.Events;
+using SharpIDE.Godot.Features.IdeSettings;
 using SharpIDE.Godot.Features.SlnPicker;
 
 namespace SharpIDE.Godot;
@@ -25,19 +26,21 @@ public partial class IdeWindow : Control
         ResourceLoader.LoadThreadedRequest(IdeRootScenePath);
         MSBuildLocator.RegisterDefaults();
         GodotServiceDefaults.AddServiceDefaults();
+        Singletons.AppState = AppStateLoader.LoadAppStateFromConfigFile();
         //GetWindow().SetMinSize(new Vector2I(1152, 648));
         Callable.From(() => PickSolution(true)).CallDeferred();
     }
     
-    // public override void _ExitTree()
-    // {
-    //     GodotGlobalEvents.Instance = null!;
-    //     GlobalEvents.Instance = null!;
-    //     GC.Collect();
-    //     GC.WaitForPendingFinalizers();
-    //     GC.Collect();
-    //     PrintOrphanNodes();
-    // }
+    public override void _ExitTree()
+    {
+        AppStateLoader.SaveAppStateToConfigFile(Singletons.AppState);
+        // GodotGlobalEvents.Instance = null!;
+        // GlobalEvents.Instance = null!;
+        // GC.Collect();
+        // GC.WaitForPendingFinalizers();
+        // GC.Collect();
+        // PrintOrphanNodes();
+    }
     
     public void PickSolution(bool fullscreen = false)
     {
diff --git a/src/SharpIDE.Godot/Singletons.cs b/src/SharpIDE.Godot/Singletons.cs
index 7308259..e130ff1 100644
--- a/src/SharpIDE.Godot/Singletons.cs
+++ b/src/SharpIDE.Godot/Singletons.cs
@@ -1,5 +1,6 @@
 using SharpIDE.Application.Features.Build;
 using SharpIDE.Application.Features.Run;
+using SharpIDE.Godot.Features.IdeSettings;
 
 namespace SharpIDE.Godot;
 
@@ -7,4 +8,5 @@ public static class Singletons
 {
     public static RunService RunService { get; } = new RunService();
     public static BuildService BuildService { get; } = new BuildService();
+    public static AppState AppState { get; set; } = null!;
 }
\ No newline at end of file