using System;
using System.IO;
using System.Linq;
using H.Formatters;


public interface ICoreFormattable
{
    void Write(BinaryWriter writer);
    void Read(BinaryReader reader);
}

namespace InABox.Formatters
{
    public class CoreFormatter<T1> : FormatterBase where T1 : ICoreFormattable
    {
        
        protected override byte[] SerializeInternal(object obj)
        {

            if (obj is ICoreFormattable _formattable)
            {
                using (var ms = new MemoryStream())
                {
                    using (var writer = new BinaryWriter(ms))
                        _formattable.Write(writer);
                    return ms.ToArray();
                }
            }
            return new byte[] { };
        }

        protected override T DeserializeInternal<T>(byte[] bytes)
        {
            if (bytes.Any() && Activator.CreateInstance<T>() is ICoreFormattable result)
            {
                using (var ms = new MemoryStream(bytes))
                {
                    using (var reader = new BinaryReader(ms))
                        result.Read(reader);
                    return (T)result;
                }
            }
            return default;
        }
    }
}