using AccountsBLL.Voucher;
using FastEndpoints;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using static GB5Shared.GB5Constant.Constant;

namespace AccountsSL.EndPoints.Voucher
{
    // Legacy GB4 route: Voucher.svc/BRS/Load/?FirstNumber={FirstNumber}&MaxResult={MaxResult} (POST,
    // CriteriaDTO body). BRSLoadFilterDTO (Bank/Date/Status-only) was the wrong shape — confirmed via
    // research that GB4 has no method actually consuming it; the real BRSLoad takes a CriteriaDTO
    // with ~19 dynamically-parsed filter fields, same pattern as GetSelectListBillAllocation.
    public class LoadBRS : BaseEndpoint<LoadBRS.LoadBRSParameters, ResponseStandardDTO<object>>
    {
        private readonly IVoucherBLL _VoucherBLL;

        public LoadBRS(IVoucherBLL voucherBLL)
        {
            _VoucherBLL = voucherBLL;
        }

        public override void Configure()
        {
            Post("/Voucher/BRSLoad");
            AllowAnonymous();
        }

        public record LoadBRSParameters(
            [property: FromHeader] string Login,
            [property: QueryParam] int FirstNumber,
            [property: QueryParam] int MaxResult,
            [property: FromBody]   CriteriaDTO CriteriaDTO
        );

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

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(LoadBRSParameters req, LoginDTO LoginDTO, CancellationToken ct)
        {
            try
            {
                var Result = await _VoucherBLL.LoadBRS(req.FirstNumber, req.MaxResult, req.CriteriaDTO, LoginDTO!);
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(Result, CacheKeyLevel.NOT_REQUIRED, LoginDTO);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(ex, CacheKeyLevel.NOT_REQUIRED, LoginDTO, ex.Message, 500);
            }
        }
    }
}