using System.Globalization;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace NejCommon.Utils
{
    public class DateOnlyConverter : JsonConverter<DateOnly>
    {
        public override DateOnly Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
        {
            return DateOnly.TryParse(reader.GetString() ?? string.Empty, CultureInfo.InvariantCulture, out var date) ? date : throw new JsonException("Invalid DateOnly format, expected 'yyyy-MM-dd'.");
        }

        public override void Write(Utf8JsonWriter writer, DateOnly value, JsonSerializerOptions options)
        {
            writer.WriteStringValue(value.ToString("yyyy-MM-dd"));
        }
    }
}