using Serilog;

namespace CommonSocketLibrary.Abstract
{
    public abstract class HandlerManager<Client, Handler>
    {
        private readonly IDictionary<int, Handler> _handlers;
        protected readonly ILogger _logger;

        public IDictionary<int, Handler> Handlers { get => _handlers; }


        public HandlerManager(ILogger logger)
        {
            _handlers = new Dictionary<int, Handler>();
            _logger = logger;
        }


        protected void Add(int op, Handler handler)
        {
            _handlers.Add(op, handler);
        }

        public async Task Execute<T>(Client sender, int opcode, T val)
        {
            if (opcode < 0 || !_handlers.TryGetValue(opcode, out Handler? handler) || handler == null)
            {
                _logger.Warning("Invalid opcode received: " + opcode);
                return;
            }

            await Execute(sender, handler, val);
        }

        protected abstract Task Execute<T>(Client sender, Handler handler, T value);
    }
}