using MessagePack;
using MessagePack.Resolvers;
using System;
using System.IO;

namespace AX.Serialization
{
    public static partial class SerializationExtensions
    {
        public static ArraySegment<byte> Serialize<T>(this T obj)
        {
            return Serializer.SerializeUnsafe(obj);
        }

        public static void Serialize<T>(this T obj, Stream stream)
        {
            Serializer.Serialize(stream, obj);
        }

        public static T Deserialize<T>(this byte[] data)
        {
            return Serializer.Deserialize<T>(data);
        }

        public static T Deserialize<T>(this ArraySegment<byte> data)
        {
            return Serializer.Deserialize<T>(data);
        }

        public static T Deserialize<T>(Stream stream)
        {
            return Serializer.Deserialize<T>(stream);
        }

        public static byte[] CompressedSerialize<T>(this T obj)
        {
            return Serializer.CompressedSerialize<T>(obj);
        }

        public static void CompressedSerialize<T>(this T obj, Stream stream)
        {
            Serializer.CompressedSerialize<T>(stream, obj);
        }

        public static T CompressedDeserialize<T>(this byte[] data)
        {
            return Serializer.CompressedDeserialize<T>(data);
        }

        public static T CompressedDeserialize<T>(Stream stream)
        {
            return Serializer.CompressedDeserialize<T>(stream);
        }

        public static T CompressedDeserialize<T>(this ArraySegment<byte> segment)
        {
            return Serializer.CompressedDeserialize<T>(segment);
        }

        /// <summary>
        /// 把经过压缩的序列化数据放入一个指定数组中。
        /// </summary>
        /// <returns>返回压缩后的长度</returns>
        public static int CompressedSerialize<T>(this T obj, ref byte[] buffer,int offset)
        {
            return Serializer.CompressedSerialize<T>(ref buffer, offset, obj);
        }
    }

    public static class Serializer
    {
        private static IFormatterResolver resolver = ContractlessStandardResolver.Instance;

        #region 正常序列化和反序列化
        public static byte[] Serialize<T>(T obj)
        {
            return MessagePackSerializer.Serialize<T>(obj, resolver);
        }

        public static void Serialize<T>(Stream stream, T obj)
        {
            MessagePackSerializer.Serialize<T>(stream, obj, resolver);
        }

        public static ArraySegment<byte> SerializeUnsafe<T>(T obj)
        {
            return MessagePackSerializer.SerializeUnsafe<T>(obj, resolver);
        }

        public static T Deserialize<T>(byte[] data)
        {
            return MessagePackSerializer.Deserialize<T>(data, resolver);
        }

        public static T Deserialize<T>(ArraySegment<byte> data)
        {
            return MessagePackSerializer.Deserialize<T>(data, resolver);
        }

        public static T Deserialize<T>(Stream stream)
        {
            return MessagePackSerializer.Deserialize<T>(stream, resolver);
        }
        #endregion

        #region 压缩序列化和反序列化
        public static byte[] CompressedSerialize<T>(T obj)
        {
            return LZ4MessagePackSerializer.Serialize<T>(obj, resolver);
        }

        public static void CompressedSerialize<T>(Stream stream, T obj)
        {
            LZ4MessagePackSerializer.Serialize<T>(stream, obj, resolver);
        }

        /// <summary>
        /// 把经过压缩的序列化数据放入一个指定数组中。
        /// </summary>
        /// <returns>返回压缩后的长度</returns>
        public static int CompressedSerialize<T>(ref byte[] buffer, int offset, T obj)
        {
            return LZ4MessagePackSerializer.SerializeToBlock<T>(ref buffer, offset, obj, resolver);
        }

        public static T CompressedDeserialize<T>(byte[] data)
        {
            return LZ4MessagePackSerializer.Deserialize<T>(data, resolver);
        }

        public static T CompressedDeserialize<T>(ArraySegment<byte> data)
        {
            return LZ4MessagePackSerializer.Deserialize<T>(data, resolver);
        }

        public static T CompressedDeserialize<T>(Stream stream)
        {
            return LZ4MessagePackSerializer.Deserialize<T>(stream, resolver);
        }
        #endregion

        #region Json 相关
        public static string ToJson(byte[] data)
        {
            return MessagePackSerializer.ToJson(data);
        }

        public static byte[] FromJson(string json)
        {
            return MessagePackSerializer.FromJson(json);
        }

        public static string CompressedToJson(byte[] data)
        {
            return LZ4MessagePackSerializer.ToJson(data);
        }

        public static byte[] CompressedFromJson(string json)
        {
            return LZ4MessagePackSerializer.FromJson(json);
        }
        #endregion
    }
}