using System.Threading;
using System.Threading.Tasks;
using FastEndpoints;
using FrameworkBLL.Promotion;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using static FrameworkDAL.Constant.Constant;

namespace FrameworkSL.Endpoints.Promotion
{
    // ============================================================
    // ProvisionPromotionIngestFlow — one-time (idempotent) admin setup action.
    // Creates + publishes the "PromotionIngest" GOP flow and its source binding
    // if not already present on this deployment. Safe to call repeatedly.
    //
    // TODO: gate behind real MenuRights once a menu row exists for this action
    // — AllowAnonymous() here matches every other endpoint built so far in this
    // module, pending that.
    // ============================================================
    public class ProvisionPromotionIngestFlow : BaseEndpoint<
        ProvisionPromotionIngestFlow.ProvisionPromotionIngestFlowParameters, ResponseStandardDTO<object>>
    {
        private readonly IPromotionFlowProvisioningBLL _ProvisioningBLL;

        public ProvisionPromotionIngestFlow(IPromotionFlowProvisioningBLL provisioningBLL)
            => _ProvisioningBLL = provisioningBLL;

        public override void Configure()
        {
            Post("/Promotion/ProvisionIngestFlow");
            AllowAnonymous();
        }

        public record ProvisionPromotionIngestFlowParameters(
            [property: FromHeader] string Login
        );

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            ProvisionPromotionIngestFlowParameters req, LoginDTO LoginDTO, CancellationToken ct)
        {
            try
            {
                var result = await _ProvisioningBLL.EnsureIngestFlowProvisionedAsync(LoginDTO, ct)
                    .ConfigureAwait(false);
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
                    result, CacheKeyLevel.NOT_REQUIRED, LoginDTO);
            }
            catch (System.Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(
                    ex, CacheKeyLevel.NOT_REQUIRED, LoginDTO, ex.Message, 500);
            }
        }
    }
}