using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using System;
using System.IO;
using System.Text;

namespace Update.Utils
{

    public static class Json
    {
        /// <summary>
        /// json格式解码
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="stream"></param>
        /// <returns></returns>
        public static T Decode<T>(Stream stream)
        {
            JsonSerializer serializer = new JsonSerializer();
            serializer.Converters.Add(new JavaScriptDateTimeConverter());//指定转化日期的格式
            using (StreamReader sr = new StreamReader(stream, Encoding.UTF8))
            using (JsonReader reader = new JsonTextReader(sr))
            {
                return serializer.Deserialize<T>(reader);
            }
        }

        /// <summary>
        /// json格式解码
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="txt"></param>
        /// <returns></returns>
        public static T Decode<T>(string txt)
        {
            JsonSerializer serializer = new JsonSerializer();
            serializer.Converters.Add(new JavaScriptDateTimeConverter());//指定转化日期的格式
            using (StringReader sr = new StringReader(txt))
            using (JsonReader reader = new JsonTextReader(sr))
            {
                T res = default;
                try
                {
                    res = serializer.Deserialize<T>(reader);
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.Message);
                }
                return res;

            }
        }

        /// <summary>
        /// json格式编码
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public static string Encode(object obj)
        {
            return JsonConvert.SerializeObject(obj, new JavaScriptDateTimeConverter());
        }

    }
}