using Infrastructure.Extensions;
using Microsoft.Extensions.DependencyInjection;
using System;
using System.Linq;
using System.Threading.Tasks;

namespace Infrastructure.Events
{
    public class EventPublisher : IEventPublisher
    {
        private readonly IServiceProvider _applicationServices;

        public EventPublisher(IServiceProvider applicationServices)
        {
            this._applicationServices = applicationServices;
        }

        [System.Diagnostics.CodeAnalysis.SuppressMessage("Design", "CA1031:Do not catch general exception types", Justification = "<挂起>")]
        public virtual void Publish<T>(T eventMessage)
        {
            Task.Run(() =>
            {
                using var scope = _applicationServices.CreateScope();
                var fullName = typeof(IEventHander<T>).FullName;
                var subscribers = scope.ServiceProvider.GetServices<IEventHander<T>>().ToList();
                subscribers.ForEach(subscriber =>
                {
                    try
                    {
                        subscriber.Handle(eventMessage);
                    }
                    catch (Exception ex)
                    {
                        ex.PrintStack();
                    }
                });
            });
        }
    }
}