using Microsoft.AspNetCore.Http;

namespace Core.Blueprint.External
{
    public sealed class TrackingMechanismExtension(IHttpContextAccessor httpContextAccessor) : DelegatingHandler
    {
        private readonly IHttpContextAccessor _httpContextAccessor = httpContextAccessor ?? throw new ArgumentNullException(nameof(httpContextAccessor));

        protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
        {
            if (_httpContextAccessor.HttpContext != null)
            {
                request.Headers.Add("TrackingId", Guid.NewGuid().ToString());
            }
            return await base.SendAsync(request, cancellationToken).ConfigureAwait(false);
        }
    }
}