using GB5Shared.DTO.Framework.Login;

namespace SwBLL.OfflineRollout;

public interface IOfflineRolloutExportBLL
{
    /// <summary>Builds the plaintext bundle for a Released package's linked scripts and encrypts
    /// it to the client database's currently-Active registered public key. Throws if the package
    /// isn't Released, or no Active key is registered for that client database yet.</summary>
    Task<byte[]> ExportOfflinePackageAsync(int clientDbId, int packageId, LoginDTO loginDTO, CancellationToken ct);

    /// <summary>Closes tracker §40 Decision 3's named pull model — an on-prem/BYOC install with
    /// intermittent connectivity calls this to ask "is there something newer than what I'm on,"
    /// reusing the already-real GetCurrentVersion/GetProvisioningChain. Additive convenience on
    /// top of the same package artifact ExportOfflinePackageAsync produces — a genuinely
    /// air-gapped install just never calls it and relies on a manual file handoff instead.</summary>
    Task<CheckForUpdatesResultDTO> CheckForUpdatesAsync(int clientDbId, LoginDTO loginDTO, CancellationToken ct);
}

public class CheckForUpdatesResultDTO
{
    public int     ClientDbId              { get; set; }
    public bool    UpdateAvailable         { get; set; }
    public int?    LatestPackageId         { get; set; }
    public string? LatestPackageCode       { get; set; }
    public string? CurrentReleaseVersion   { get; set; }
}