using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;

namespace Shentun.Utilities
{
    public class JsonDateTimeConverter : System.Text.Json.Serialization.JsonConverter<DateTime>
    {
        private readonly string _dateFormat;

        public JsonDateTimeConverter(string dateFormat)
        {
            _dateFormat = dateFormat;
        }

        public override DateTime Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
        {
            return DateTime.ParseExact(reader.GetString(), _dateFormat, null);
        }

        public override void Write(Utf8JsonWriter writer, DateTime value, JsonSerializerOptions options)
        {
            writer.WriteStringValue(value.ToUniversalTime().ToString(_dateFormat));
        }
    }
  
}