using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using PartnerBLL.ClientDetail;
using PartnerDAL.DTO.ClientDetail;
using static GB5Shared.GB5Constant.Constant;

namespace PartnerSL.EndPoints.ClientDetail
{
    // Replaces the manual "UPDATE MCLIENTDETAILS SET PARTNERPRODUCTID = ..." step —
    // assigns (or clears, with PartnerProductId = -1) which PartnerProduct a client's
    // site is white-labeled under. Validates the PartnerProductId exists in the caller's
    // own tenant DB before writing, so this can never point a client at a partner product
    // that isn't actually present in that client's own ProductionDB.
    public class AssignPartnerProduct : BaseEndpoint<AssignPartnerProduct.AssignPartnerProductParameters, ResponseStandardDTO<object>>
    {
        private readonly IClientDetailBLL _bll;

        public AssignPartnerProduct(IClientDetailBLL bll) => _bll = bll;

        public override void Configure()
        {
            Post("/ClientDetail/AssignPartnerProduct");
            AllowAnonymous();
        }

        public record AssignPartnerProductParameters(
            [property: FromHeader] string          Login,
            [property: FromBody]   ClientDetailDTO ClientDetailDTO
        );

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

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            AssignPartnerProductParameters req, LoginDTO loginDTO, CancellationToken ct)
        {
            try
            {
                var result = await _bll.AssignPartnerProduct(req.ClientDetailDTO, 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);
            }
        }
    }
}