using FastEndpoints;
using FrameworkBLL.MetaReport;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using static GB5Shared.GB5Constant.Constant;

namespace FrameworkSL.Endpoints.MetaReport
{
    /// <summary>Full aggregate (row + Variants + Aspects + each Aspect's Options with their
    /// ApplicableVariantIds) — consumed by both the authoring screen and, once wired,
    /// MetaReportLoaderService in place of the static trial-balance.meta.json file it reads
    /// today. See Docs/MetaReport_Guide.md.</summary>
    public class GetMetaReport : BaseEndpoint<GetMetaReport.GetMetaReportParameters, ResponseStandardDTO<object>>
    {
        private readonly IMetaReportBLL _metaReportBLL;

        public GetMetaReport(IMetaReportBLL metaReportBLL) => _metaReportBLL = metaReportBLL;

        public override void Configure()
        {
            Get("/MetaReport/GetMetaReport");
            AllowAnonymous();
        }

        public record GetMetaReportParameters(
            [property: FromHeader] string Login,
            [property: QueryParam] int MetaReportId
        );

        protected override string? GetCacheKey(GetMetaReportParameters req, LoginDTO loginDTO)
            => KeyGenerator.KeyGeneration(req.MetaReportId, EntityConstant.OBJECTMETAREPORT, CacheKeyLevel.CLIENT_LEVEL, loginDTO);

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            GetMetaReportParameters req, LoginDTO loginDTO, CancellationToken ct)
        {
            var result = await _metaReportBLL.GetMetaReport(req.MetaReportId, loginDTO, ct);
            return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(result, CacheKeyLevel.CLIENT_LEVEL, loginDTO);
        }
    }
}