//using FastEndpoints;
//using FrameworkDAL.DTO.EIPConversation;
//using FrameworkDAL.DTO.MessageHub.MessageHubGenerator;
//using GB5Shared.DTO.Framework.Login;
//using GB5Shared.DTO.Framework.ResponseStandard;
//using GB5Shared.FastEndPoint;
//using Microsoft.Extensions.Logging;
//using Microsoft.Extensions.Options;
//using System;
//using System.Threading;
//using System.Threading.Tasks;
//using static GB5Shared.GB5Constant.Constant;

//namespace FrameworkSL.Endpoints.EIPConversation
//{
//    /// <summary>
//    /// GET endpoint for webhook verification (e.g., WhatsApp, Messenger)
//    /// </summary>
//    public class RequestMessageHubConversation
//        : BaseEndpoint<RequestMessageHubConversation.VerifyRequest, ResponseStandardDTO<object>>
//    {
//        private readonly ILogger<RequestMessageHubConversation> _logger;
//        private readonly CelitixSettings _celitix;

//        public RequestMessageHubConversation(
//            ILogger<RequestMessageHubConversation> logger,
//            IOptions<MessageHubSettings> settings)
//        {
//            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
//            _celitix = settings?.Value?.Celitix ?? new CelitixSettings();
//        }

//        public override void Configure()
//        {
//            Get("/api/messagehub/webhook");
//            AllowAnonymous();
//        }

//        #region Request Parameters
//        public record VerifyRequest(
//            [property: QueryParam] string? hub_mode,
//            [property: QueryParam] string? hub_verify_token,
//            [property: QueryParam] string? hub_challenge
//        );
//        #endregion

//        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
//            VerifyRequest req,
//            LoginDTO loginDTO,
//            CancellationToken ct)
//        {
//            try
//            {
//                _logger.LogInformation("Webhook verification request | Mode={Mode}", req.hub_mode);

//                if (!string.IsNullOrEmpty(req.hub_mode) &&
//                    req.hub_mode.Equals("subscribe", StringComparison.OrdinalIgnoreCase) &&
//                    !string.IsNullOrEmpty(req.hub_verify_token) &&
//                    req.hub_verify_token == _celitix.WebhookSecret)
//                {
//                    _logger.LogInformation("Webhook verified successfully");
//                    return await GB5Shared.ResponseStandard.Response
//                        .CreateSuccessResponse(
//                            req.hub_challenge ?? string.Empty,
//                            CacheKeyLevel.NOT_REQUIRED,
//                            loginDTO);
//                }

//                return await GB5Shared.ResponseStandard.Response
//                    .CreateSuccessResponse("OK", CacheKeyLevel.NOT_REQUIRED, loginDTO);
//            }
//            catch (Exception ex)
//            {
//                _logger.LogError(ex, "Webhook verification failed");
//                return await GB5Shared.ResponseStandard.Response
//                    .CreateExceptionError<string>(
//                        ex,
//                        CacheKeyLevel.NOT_REQUIRED,
//                        loginDTO,
//                        ex.Message,
//                        500);
//            }
//        }
//    }
//}