using System;
using System.IO;
using System.Text;
using System.Text.Json;
using System.Xml.Serialization;

namespace XSDVisualiser.Utils
{
    public static class Serialization
    {
        public static string ToXml<T>(T obj)
        {
            var serializer = new XmlSerializer(typeof(T));
            var ns = new XmlSerializerNamespaces();
            ns.Add(string.Empty, string.Empty);
            using var sw = new Utf8StringWriter();
            serializer.Serialize(sw, obj, ns);
            return sw.ToString();
        }

        public static string ToJson<T>(T obj)
        {
            var options = new JsonSerializerOptions
            {
                WriteIndented = true,
                DefaultIgnoreCondition = System.Text.Json.Serialization.JsonIgnoreCondition.WhenWritingNull
            };
            return JsonSerializer.Serialize(obj, options);
        }

        private sealed class Utf8StringWriter : StringWriter
        {
            public override Encoding Encoding => Encoding.UTF8;
        }
    }
}