using StellaOps.AuditPack.Models;

namespace StellaOps.AuditPack.Services;

public sealed partial class AuditBundleWriter
{
    private static string? AddRequiredEntry(
        List<BundleEntry> entries,
        List<BundleFileEntry> files,
        List<ArchiveEntry> archiveEntries,
        string path,
        byte[]? content,
        BundleContentType type)
    {
        return content is null
            ? null
            : AddEntry(entries, files, archiveEntries, path, content, type);
    }

    private static string? AddOptionalEntry(
        List<BundleEntry> entries,
        List<BundleFileEntry> files,
        List<ArchiveEntry> archiveEntries,
        string path,
        byte[]? content,
        BundleContentType type)
    {
        return content is null
            ? null
            : AddEntry(entries, files, archiveEntries, path, content, type);
    }

    private static string AddEntry(
        List<BundleEntry> entries,
        List<BundleFileEntry> files,
        List<ArchiveEntry> archiveEntries,
        string path,
        byte[] content,
        BundleContentType type)
    {
        var digest = ComputeSha256(content);
        entries.Add(new BundleEntry(path, digest, content.Length));
        files.Add(new BundleFileEntry
        {
            RelativePath = path,
            Digest = digest,
            SizeBytes = content.Length,
            ContentType = type
        });
        archiveEntries.Add(new ArchiveEntry(path, content));
        return digest;
    }
}