using System;
using System.Threading.Tasks;
using BlueWest.Tools;
using BlueWest.WebApi.MySQL;

namespace BlueWest.WebApi.Interfaces
{
    public struct ExchangeEvent { }
    public class ExchangeInterface : EventListener<ExchangeEvent>, IDisposable, IAsyncDisposable

    {
        private readonly EventManager _eventManager;
        private readonly CountryDbContext _countryDbContext;
        private readonly FinanceDbContext _financeDbContext;
        private readonly UserDbContext _userDbContext;
        
        
        public ExchangeInterface(
            CountryDbContext countryDbContext,
            FinanceDbContext financeDbContext, 
            UserDbContext userDbContext,
            EventManager eventManager)
        {
            _countryDbContext = countryDbContext;
            _financeDbContext = financeDbContext;
            _userDbContext = userDbContext;
            _eventManager = eventManager;
            Init();
        }

        public ExchangeInterface() { }

        private void Init()
        {
            _eventManager.EventStartListening<ExchangeEvent>(this);
            _eventManager.TriggerEvent<ExchangeEvent>(new ExchangeEvent());
            Console.WriteLine($"{nameof(ExchangeInterface)} Just started!");
        }

 
        public void OnEvent(ExchangeEvent eventType)
        {
            Console.WriteLine($"Service received exchange {nameof(ExchangeEvent)}");
        }

        /// <summary>
        /// Stop Listening for events
        /// </summary>
        public void Dispose()
        {
            _eventManager.EventStopListening<ExchangeEvent>(this);
        }

        public ValueTask DisposeAsync()
        {
            _eventManager.EventStopListening<ExchangeEvent>(this);
            return ValueTask.CompletedTask;

        }
    }
}