llm-pii-poc/tests/TestSupport.Shared/RealTamilNerModelPaths.cs

namespace PiiRedaction.Tests.Shared;

public static class RealTamilNerModelPaths
{
    public const string ModelMissingMessage =
        "Tamil ONNX model not found. Run scripts/download-tamil-ner-model.ps1 from the repository root.";

    public static string ResolveRepoModelPath()
    {
        const string relativePath = "models/ta/model.onnx";
        var directory = new DirectoryInfo(AppContext.BaseDirectory);
        while (directory is not null)
        {
            var candidate = Path.Combine(directory.FullName, relativePath);
            if (File.Exists(candidate))
            {
                return candidate;
            }

            directory = directory.Parent;
        }

        return Path.Combine(Environment.CurrentDirectory, relativePath);
    }
}