Manage global shortcuts (#635)

app/MindWork AI Studio/Tools/Services/RustEnumConverter.cs

@@ -0,0 +1,112 @@
+using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace AIStudio.Tools.Services;
+
+/// <summary>
+/// Converts enum values for Rust communication.
+/// </summary>
+/// <remarks>
+/// Rust expects PascalCase enum values (e.g., "VoiceRecordingToggle"),
+/// while .NET uses UPPER_SNAKE_CASE (e.g., "VOICE_RECORDING_TOGGLE").
+/// This converter handles the bidirectional conversion.
+/// </remarks>
+public sealed class RustEnumConverter : JsonConverter<object>
+{
+    private static readonly ILogger<RustEnumConverter> LOG = Program.LOGGER_FACTORY.CreateLogger<RustEnumConverter>();
+
+    public override bool CanConvert(Type typeToConvert) => typeToConvert.IsEnum;
+
+    public override object? Read(ref Utf8JsonReader reader, Type enumType, JsonSerializerOptions options)
+    {
+        if (reader.TokenType == JsonTokenType.String)
+        {
+            var text = reader.GetString();
+            text = ConvertToUpperSnakeCase(text);
+
+            if (Enum.TryParse(enumType, text, out var result))
+                return result;
+        }
+
+        LOG.LogWarning($"Cannot read '{reader.GetString()}' as '{enumType.Name}' enum; token type: {reader.TokenType}");
+        return Activator.CreateInstance(enumType);
+    }
+
+    public override object ReadAsPropertyName(ref Utf8JsonReader reader, Type enumType, JsonSerializerOptions options)
+    {
+        if (reader.TokenType == JsonTokenType.PropertyName)
+        {
+            var text = reader.GetString();
+            text = ConvertToUpperSnakeCase(text);
+
+            if (Enum.TryParse(enumType, text, out var result))
+                return result;
+        }
+
+        LOG.LogWarning($"Cannot read '{reader.GetString()}' as '{enumType.Name}' enum; token type: {reader.TokenType}");
+        return Activator.CreateInstance(enumType)!;
+    }
+
+    public override void Write(Utf8JsonWriter writer, object value, JsonSerializerOptions options)
+    {
+        writer.WriteStringValue(ConvertToPascalCase(value.ToString()));
+    }
+
+    public override void WriteAsPropertyName(Utf8JsonWriter writer, object value, JsonSerializerOptions options)
+    {
+        writer.WritePropertyName(ConvertToPascalCase(value.ToString()));
+    }
+
+    /// <summary>
+    /// Converts UPPER_SNAKE_CASE to PascalCase.
+    /// </summary>
+    /// <param name="text">The text to convert (e.g., "VOICE_RECORDING_TOGGLE").</param>
+    /// <returns>The converted text as PascalCase (e.g., "VoiceRecordingToggle").</returns>
+    private static string ConvertToPascalCase(string? text)
+    {
+        if (string.IsNullOrWhiteSpace(text))
+            return string.Empty;
+
+        var parts = text.Split('_', StringSplitOptions.RemoveEmptyEntries);
+        var sb = new StringBuilder();
+
+        foreach (var part in parts)
+        {
+            if (part.Length == 0)
+                continue;
+
+            // First character uppercase, rest lowercase:
+            sb.Append(char.ToUpperInvariant(part[0]));
+            if (part.Length > 1)
+                sb.Append(part[1..].ToLowerInvariant());
+        }
+
+        return sb.ToString();
+    }
+
+    /// <summary>
+    /// Converts a string to UPPER_SNAKE_CASE.
+    /// </summary>
+    /// <param name="text">The text to convert.</param>
+    /// <returns>The converted text as UPPER_SNAKE_CASE.</returns>
+    private static string ConvertToUpperSnakeCase(string? text)
+    {
+        if (string.IsNullOrWhiteSpace(text))
+            return string.Empty;
+
+        var sb = new StringBuilder(text.Length);
+        var lastCharWasLowerCase = false;
+
+        foreach (var c in text)
+        {
+            if (char.IsUpper(c) && lastCharWasLowerCase)
+                sb.Append('_');
+
+            sb.Append(char.ToUpperInvariant(c));
+            lastCharWasLowerCase = char.IsLower(c);
+        }
+
+        return sb.ToString();
+    }
+}