using Microsoft.ApplicationInsights;
using Microsoft.Extensions.Hosting;

namespace Core.Telemetry
{
    public class SeqBackgroundService : BackgroundService
    {
        private readonly IMessageChannel _messageChannel;
        private readonly TelemetryClient _telemetryClient;
        private readonly HttpClient _httpClient;

        public SeqBackgroundService(
                                    TelemetryClient telemetryClient,
                                    IMessageChannel messageChannel,
                                    HttpClient httpClient)
        {
            _telemetryClient = telemetryClient;
            _messageChannel = messageChannel;
            _httpClient = httpClient;
        }

        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
        {
            try
            {
                while (!stoppingToken.IsCancellationRequested)
                    await foreach (var message in _messageChannel.Reader.ReadAllAsync(stoppingToken))
                    {

                        try
                        {
                            //using var response = await _httpClient.SendAsync(message, stoppingToken);
                            //if (!response.IsSuccessStatusCode)
                            //{
                            //    _telemetryClient.TrackTrace($"HTTP kald fejlede med status {response.StatusCode}", Microsoft.ApplicationInsights.DataContracts.SeverityLevel.Warning);
                            //    continue;
                            //}
                        }
                        catch (Exception ex)
                        {
                            _telemetryClient.TrackException(ex);
                        }
                    }
            }
            catch (Exception ex)
            {
                if (ex is not OperationCanceledException)
                {
                    _telemetryClient.TrackException(ex);
                    throw;
                }

                _telemetryClient.TrackTrace("Service shutdown påbegyndt");
            }
        }

        public override async Task StopAsync(CancellationToken cancellationToken)
        {

            _messageChannel.Dispose();
            await base.StopAsync(cancellationToken);
        }
    }
}