Moved relevant application layer enums and value objects to the domain layer.

JSMR.Domain/ValueObjects/SupportedLanguage.cs

@@ -0,0 +1,39 @@
+using JSMR.Domain.Enums;
+
+namespace JSMR.Domain.ValueObjects;
+
+public sealed record SupportedLanguage(string Code, Language Language)
+{
+    public static readonly SupportedLanguage Japanese = new("JPN", Language.Japanese);
+    public static readonly SupportedLanguage English = new("ENG", Language.English);
+    public static readonly SupportedLanguage ChineseSimplified = new("CHI_HANS", Language.ChineseSimplified);
+    public static readonly SupportedLanguage ChineseTraditional = new("CHI_HANT", Language.ChineseTraditional);
+    public static readonly SupportedLanguage Korean = new("KO_KR", Language.Korean);
+    public static readonly SupportedLanguage Alingual = new("NM", Language.Unknown);
+
+    public static IReadOnlyList<SupportedLanguage> All =>
+    [
+        Japanese,
+        English,
+        ChineseSimplified,
+        ChineseTraditional,
+        Korean
+    ];
+
+    private static readonly Dictionary<string, SupportedLanguage> _byCode =
+        All.ToDictionary(x => x.Code, StringComparer.OrdinalIgnoreCase);
+
+    private static readonly Dictionary<Language, SupportedLanguage> _byLang =
+        All.ToDictionary(x => x.Language);
+
+    public static bool TryFromCode(string code, out SupportedLanguage? supportedLanguage) =>
+        _byCode.TryGetValue(code, out supportedLanguage);
+
+    public static bool TryFromLanguage(Language lang, out SupportedLanguage? supportedLanguage) =>
+        _byLang.TryGetValue(lang, out supportedLanguage);
+
+    public static SupportedLanguage FromLanguage(Language language) =>
+        _byLang.TryGetValue(language, out var sl)
+            ? sl
+            : throw new ArgumentOutOfRangeException(nameof(language), $"Unsupported: {language}");
+}