using DXPDAL.Kyc;
using GB5Shared.DTO.ECM;
using GB5Shared.DTO.Framework.Login;

namespace DXPBLL.Kyc;

public interface IKycBLL
{
    Task<PartyKycProfileDTO?> GetActiveByBranchLinkAsync(int dxpPartyBranchLinkId, LoginDTO login, CancellationToken ct);

    // Encrypts GSTIN/PAN, supersedes any existing active profile for the same branch link (kept
    // for audit, never overwritten), and saves the new one. Returns the new profile's id so the
    // caller can resolve any documents already uploaded against rowGuid (see UploadDocumentAsync).
    Task<(string Message, int DxpPartyKycProfileId)> SubmitAsync(
        int dxpPartyBranchLinkId, string? gstin, string? pan, Guid rowGuid, LoginDTO login, CancellationToken ct);

    // Thin pass-through to UAS — lets the frontend attach documents (GST certificate, PAN scan)
    // tagged with rowGuid BEFORE the profile exists (ObjectId=0), matching UAS's own two-phase
    // upload pattern. Resolved to the real DxpPartyKycProfileId inside SubmitAsync.
    Task<AttachmentUploadResponse> UploadDocumentAsync(
        AttachmentUploadRequest request, Stream fileStream, string originalFileName, string contentType,
        LoginDTO login, CancellationToken ct);

    Task<string> VerifyAsync(int dxpPartyKycProfileId, bool approved, string? rejectionReason, LoginDTO login, CancellationToken ct);
}