using EgwCoreLib.Lux.Data.Services;
using EgwCoreLib.Lux.Data;

namespace Lux.API.Services
{
    public class RedisSubscriberService : BackgroundService
    {
        #region Public Constructors

        public RedisSubscriberService(IConfiguration config, RedisSubscriptionManager subManager, ExternalMessageProcessor processor)
        {
            _subManager = subManager;
            _processor = processor;
            _config = config;
            chSub = _config.GetValue<string>("ServerConf:ChannelSub") ?? "";
        }

        #endregion Public Constructors

        #region Protected Methods

        protected override Task ExecuteAsync(CancellationToken stoppingToken)
        {
            _subManager.Subscribe(chSub, async (ch, msg) =>
            {
                await _processor.HandleResultMessageAsync($"{ch}", $"{msg}");
            });

            return Task.CompletedTask;
        }

        #endregion Protected Methods

        #region Private Fields

        private readonly IConfiguration _config;
        private readonly ExternalMessageProcessor _processor;
        private readonly RedisSubscriptionManager _subManager;
        private readonly string chSub = "";

        #endregion Private Fields
    }
}