AI: markdown-to-C# converter for StarSystem and SystemMastery

ZeroSpace/ZeroSpace.Web/Services/ZeroSpaceLinks.cs

@@ -0,0 +1,45 @@
+using System.Text.RegularExpressions;
+using ZeroSpace.Model;
+
+namespace ZeroSpace.Web.Services;
+
+public static partial class ZeroSpaceLinks
+{
+    private static readonly IReadOnlyDictionary<string, string> SystemUrls = StarSystems.All
+        .ToDictionary(static system => system.Name, static system => $"/StarSystem/{system.Id}", StringComparer.OrdinalIgnoreCase);
+
+    private static readonly IReadOnlyDictionary<string, string> MasteryUrls = SystemMasteries.All
+        .ToDictionary(static mastery => mastery.Name, static mastery => $"/SystemMastery/{mastery.Id}", StringComparer.OrdinalIgnoreCase);
+
+    public static string? UrlFor(string name)
+    {
+        if (SystemUrls.TryGetValue(name, out var systemUrl))
+        {
+            return systemUrl;
+        }
+
+        return MasteryUrls.TryGetValue(name, out var masteryUrl) ? masteryUrl : null;
+    }
+
+    public static string ResolveWikiLinks(string markdown)
+    {
+        return WikiLinkPattern().Replace(markdown, match =>
+        {
+            var name = match.Groups[1].Value.Trim();
+            var url = UrlFor(name);
+            return url is null ? name : $"[{name}]({url})";
+        });
+    }
+
+    public static string Humanize(string camelCase)
+    {
+        var spaced = CamelCasePattern().Replace(camelCase, " ");
+        return spaced.Length == 0 ? spaced : char.ToUpperInvariant(spaced[0]) + spaced[1..];
+    }
+
+    [GeneratedRegex(@"\[\[([^\]]+)\]\]")]
+    private static partial Regex WikiLinkPattern();
+
+    [GeneratedRegex("(?<=[a-z0-9])(?=[A-Z])")]
+    private static partial Regex CamelCasePattern();
+}