initial commit

Services/ConfigService.cs

@@ -0,0 +1,31 @@
+using System.IO;
+using System.Text.Json;
+using ClashWidget.Models;
+
+namespace ClashWidget.Services;
+
+public static class ConfigService
+{
+    private static readonly string ConfigPath = Path.Combine(
+        AppContext.BaseDirectory, "config.json");
+
+    public static AppConfig Load()
+    {
+        try
+        {
+            if (File.Exists(ConfigPath))
+            {
+                var json = File.ReadAllText(ConfigPath);
+                return JsonSerializer.Deserialize<AppConfig>(json) ?? new AppConfig();
+            }
+        }
+        catch { }
+        return new AppConfig();
+    }
+
+    public static void Save(AppConfig config)
+    {
+        var json = JsonSerializer.Serialize(config, new JsonSerializerOptions { WriteIndented = true });
+        File.WriteAllText(ConfigPath, json);
+    }
+}