using System.Threading.Tasks;

namespace FlowScope.Flow
{
    public abstract class FeatureBase : IFeature
    {
        protected FeatureContext Context { get; private set; }

        public virtual Task LoadAsync(FeatureContext context)
        {
            Context = context;
            return Task.CompletedTask;
        }

        public virtual Task EnterAsync(FeatureContext context)
        {
            return Task.CompletedTask;
        }

        public virtual Task ExitAsync(FeatureContext context)
        {
            context?.Disposables.Clear();
            return Task.CompletedTask;
        }

        public virtual void Dispose()
        {
            Context = null;
        }
    }
}