using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using SwBLL.OfflineRollout;
using static GB5Shared.GB5Constant.Constant;
using GB5Shared.Authorization;

namespace SwSL.EndPoints.OfflineRollout;

//[MenuRights("SWCLIENTDBKEY", RightOperation.View)]
public class ExportOfflinePackage : BaseEndpoint<ExportOfflinePackage.Parameters, ResponseStandardDTO<object>>
{
    private readonly IOfflineRolloutExportBLL _bll;

    public ExportOfflinePackage(IOfflineRolloutExportBLL bll) => _bll = bll;

    public override void Configure()
    {
        Get("/OfflineRollout/ExportOfflinePackage");
        AllowAnonymous();
    }

    public record Parameters(
        [property: FromHeader] string Login,
        [property: QueryParam] int    ClientDbId,
        [property: QueryParam] int    PackageId);

    protected override string? GetCacheKey(Parameters req, LoginDTO loginDTO) => null;

    // Returns the encrypted package as a Base64 string in Body — this deployment's own
    // ResponseStandardDTO convention wraps every payload shape (JSON, plain messages) the same
    // way; a raw binary/file-download response would be the first of its kind in this module and
    // isn't needed for a payload this small (a serialized script bundle, tens of KB to a few MB).
    // The caller (an admin screen, or a scripted download) Base64-decodes Body into the real
    // .gbrollout file before handing it to a customer.
    protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
        Parameters req, LoginDTO loginDTO, CancellationToken ct)
    {
        var encrypted = await _bll.ExportOfflinePackageAsync(req.ClientDbId, req.PackageId, loginDTO, ct);
        return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
            Convert.ToBase64String(encrypted), CacheKeyLevel.NOT_REQUIRED, loginDTO);
    }
}