using System.Buffers;
using System.Text;
using System.Text.Encodings.Web;
using System.Text.Json;
using System.Text.Json.Nodes;
using System.Text.Unicode;
using System.Xml.Linq;

namespace IES.ExamServer
{
    public static class JsonExtensions
    {
        private static readonly JsonSerializerOptions jsonSerializerOptions = new JsonSerializerOptions
        {
            Encoder = JavaScriptEncoder.Create(UnicodeRanges.All)
        };
        public static string ToJsonString(this JsonElement json)
        {
            return JsonSerializer.Serialize(json, jsonSerializerOptions);
        }
        public static string ToJsonString(this Object obj)
        {
            return JsonSerializer.Serialize(obj, jsonSerializerOptions);
        }
        public static string ToJsonString(this JsonNode node)
        {
            return JsonSerializer.Serialize(node, jsonSerializerOptions);
        }
        public static T? ToObject<T>(this JsonElement json) where T : class
        {
            return JsonSerializer.Deserialize<T>(json.GetRawText(), jsonSerializerOptions);
        }
        public static T? ToObject<T>(this string json) where T : class
        {
            try
            {
                return JsonSerializer.Deserialize<T>(json, jsonSerializerOptions);
            }
            catch (JsonException ex)
            {
                return null;
               // throw new InvalidOperationException("Failed to deserialize JSON.", ex);
            }
        }

        public static T? ToObject<T>(this JsonNode json) where T : class
        {
            return JsonSerializer.Deserialize<T>(json, jsonSerializerOptions!);
        }
    }
}