stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/StellaOps.DistroIntel/DistroMappings.Normalization.cs

@@ -0,0 +1,36 @@
+namespace StellaOps.DistroIntel;
+
+public static partial class DistroMappings
+{
+    /// <summary>
+    /// Checks if a distro is a known canonical (parent) distro.
+    /// </summary>
+    /// <param name="distro">The distro identifier to check.</param>
+    /// <returns>True if the distro is a known canonical distro.</returns>
+    public static bool IsCanonicalDistro(string distro)
+    {
+        var lower = distro.ToLowerInvariant();
+        return lower is "rhel" or "debian" or "ubuntu" or "sles" or "alpine";
+    }
+
+    /// <summary>
+    /// Normalizes a distro name to its canonical form.
+    /// </summary>
+    /// <param name="distro">The distro name to normalize.</param>
+    /// <returns>Lowercase canonical form.</returns>
+    public static string NormalizeDistroName(string distro)
+    {
+        var lower = distro.ToLowerInvariant();
+        return lower switch
+        {
+            "redhat" or "red hat" or "red-hat" => "rhel",
+            "alma" or "almalinux-os" => "almalinux",
+            "rockylinux" or "rocky-linux" => "rocky",
+            "oracle linux" or "oraclelinux" => "oracle",
+            "opensuse" or "opensuse-tumbleweed" => "opensuse-leap",
+            "mint" => "linuxmint",
+            "popos" or "pop_os" => "pop",
+            _ => lower
+        };
+    }
+}