using System;
using System.Collections.Generic;
using System.Numerics;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace Questionable.Model.Common.Converter;

public sealed class VectorListConverter : JsonConverter<List<Vector3>>
{
	private static readonly VectorConverter ItemConverter = new VectorConverter();

	public override List<Vector3> Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
	{
		if (reader.TokenType != JsonTokenType.StartArray)
		{
			throw new JsonException();
		}
		List<Vector3> list = new List<Vector3>();
		while (reader.Read())
		{
			if (reader.TokenType == JsonTokenType.EndArray)
			{
				return list;
			}
			list.Add(ItemConverter.Read(ref reader, typeof(Vector3), options));
		}
		throw new JsonException();
	}

	public override void Write(Utf8JsonWriter writer, List<Vector3> value, JsonSerializerOptions options)
	{
		writer.WriteStartArray();
		foreach (Vector3 item in value)
		{
			ItemConverter.Write(writer, item, options);
		}
		writer.WriteEndArray();
	}
}