namespace Recordingtest.SutProber;

public sealed record PluginEntry(string Name, string Path, IReadOnlyList<string> Dlls, long SizeBytes);

public static class PluginScanner
{
    public static List<PluginEntry> Scan(string sutRoot)
    {
        var pluginRoot = System.IO.Path.Combine(sutRoot, "Plugins");
        if (!Directory.Exists(pluginRoot)) return new();

        var entries = new List<PluginEntry>();
        foreach (var dir in Directory.EnumerateDirectories(pluginRoot).OrderBy(d => d, StringComparer.Ordinal))
        {
            var dlls = Directory.EnumerateFiles(dir, "*.dll", SearchOption.TopDirectoryOnly)
                .Select(System.IO.Path.GetFileName)
                .Where(n => n is not null)
                .Select(n => n!)
                .OrderBy(n => n, StringComparer.Ordinal)
                .ToList();

            long size = 0;
            foreach (var f in Directory.EnumerateFiles(dir, "*", SearchOption.AllDirectories))
                size += new FileInfo(f).Length;

            var name = System.IO.Path.GetFileName(dir);
            var relPath = System.IO.Path.GetRelativePath(".", dir).Replace('\\', '/');
            entries.Add(new PluginEntry(name, relPath, dlls, size));
        }
        return entries;
    }
}