feat: Create a new GUI project based on Avalonia. (Powered by Claude)

src/ZonyLrcTools.Common/Infrastructure/Localization/ILocalizationService.cs

@@ -0,0 +1,44 @@
+using System.Globalization;
+
+namespace ZonyLrcTools.Common.Infrastructure.Localization;
+
+/// <summary>
+/// Provides localization services for the application.
+/// </summary>
+public interface ILocalizationService
+{
+    /// <summary>
+    /// Gets a localized string by key.
+    /// </summary>
+    string this[string key] { get; }
+
+    /// <summary>
+    /// Gets a localized string by key with format arguments.
+    /// </summary>
+    string this[string key, params object[] args] { get; }
+
+    /// <summary>
+    /// Gets an error message by error code.
+    /// </summary>
+    string GetErrorMessage(int errorCode);
+
+    /// <summary>
+    /// Gets a warning message by warning code.
+    /// </summary>
+    string GetWarningMessage(int warningCode);
+
+    /// <summary>
+    /// Sets the current culture.
+    /// </summary>
+    void SetCulture(string cultureName);
+
+    /// <summary>
+    /// Gets the current culture name.
+    /// </summary>
+    string CurrentCulture { get; }
+
+    /// <summary>
+    /// Gets the list of supported cultures.
+    /// </summary>
+    IReadOnlyList<CultureInfo> SupportedCultures { get; }
+}