using System.Xml.Linq;
string root = Path.GetFullPath(args.Length == 0 ? "." : args[0]);
var allowed = new Dictionary<string, HashSet<string>>(StringComparer.Ordinal)
{
    ["Domain"] = new(),
    ["Application"] = new() { "Domain" },
    ["Infrastructure"] = new() { "Domain", "Application" },
    ["Host"] = new() { "Domain", "Application", "Infrastructure" }
};
int violations = 0;
foreach (var item in allowed)
{
    string path = Path.Combine(root, item.Key, item.Key + ".csproj");
    var document = XDocument.Load(path);
    foreach (var reference in document.Descendants().Where(element => element.Name.LocalName == "ProjectReference"))
    {
        string include = (string?)reference.Attribute("Include") ?? throw new InvalidOperationException("Missing Include");
        string targetPath = Path.GetFullPath(Path.Combine(Path.GetDirectoryName(path)!, include));
        string target = Path.GetFileNameWithoutExtension(targetPath);
        string expectedPath = Path.Combine(root, target, target + ".csproj");
        if (!item.Value.Contains(target) || targetPath != expectedPath)
        {
            violations++;
            Console.WriteLine($"violation:{item.Key}->{target}");
        }
    }
}
Console.WriteLine($"projects:{allowed.Count}");
Console.WriteLine($"violations:{violations}");
return violations == 0 ? 0 : 1;