using System;
using System.Buffers;
using System.Text;
using System.Text.Json;
using System.Text.Json.Serialization;
using GB5Shared.DTO.Framework.Login;
using Microsoft.Extensions.Logging;

namespace GB5Shared.JsonConverter
{
    public class SafeStringConverter : JsonConverter<string>
    {
        public override string Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
        {
            return reader.TokenType switch
            {
                JsonTokenType.String => reader.GetString()!,
                JsonTokenType.Number => reader.GetDouble()!.ToString()!,
                JsonTokenType.Null => null!,

                // Fallback: return JSON as text safely using the reader.ValueSpan
                _ => reader.HasValueSequence
                        ? Encoding.UTF8.GetString(reader.ValueSequence.ToArray())
                        : Encoding.UTF8.GetString(reader.ValueSpan)
            };
        }

        public override void Write(Utf8JsonWriter writer, string value, JsonSerializerOptions options)
        {
            writer.WriteStringValue(value);
        }
    }

}