using System.IO;
using JD.Remoting;

namespace JD.Serialization
{
    /// <summary>
    /// Adds serialization features to the blob.
    /// </summary>
    public static class BlobExtensions
    {
        /// <summary>
        /// Pushes the object in its lua format.
        /// </summary>
        public static void PushObject<T>(this IBlob blob, T value)
            where T : SpecialCustomTypeDescriptor
        {
            var serializer = new BinarySerializer();

            using (var stream = new MemoryStream())
            {
                serializer.Serialize(stream, value);
                var data = stream.ToArray();
                blob.Push(data);                
            }
        }

        /// <summary>
        /// Pushes the object from its lua format.
        /// </summary>
        public static void ExtractObject<T>(this IBlob blob, T value)
            where T : SpecialCustomTypeDescriptor
        {
            var serializer = new BinarySerializer();
            var data = blob.ExtractBytes();

            using (var stream = new MemoryStream(data))
            {
                serializer.Deserialize(stream, value);
            }
        }
    }
}