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

namespace SmartNav.Model.Converter;

public sealed class VectorConverter : JsonConverter<Vector3>
{
	public override Vector3 Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
	{
		if (reader.TokenType != JsonTokenType.StartObject)
		{
			throw new JsonException();
		}
		Vector3 result = default(Vector3);
		while (reader.Read())
		{
			switch (reader.TokenType)
			{
			case JsonTokenType.PropertyName:
			{
				string text = reader.GetString();
				if (text == null || !reader.Read())
				{
					throw new JsonException();
				}
				switch (text)
				{
				case "X":
					result.X = reader.GetSingle();
					break;
				case "Y":
					result.Y = reader.GetSingle();
					break;
				case "Z":
					result.Z = reader.GetSingle();
					break;
				default:
					throw new JsonException();
				}
				break;
			}
			case JsonTokenType.EndObject:
				return result;
			default:
				throw new JsonException();
			}
		}
		throw new JsonException();
	}

	public override void Write(Utf8JsonWriter writer, Vector3 value, JsonSerializerOptions options)
	{
		writer.WriteStartObject();
		writer.WriteNumber("X", RoundValue(value.X));
		writer.WriteNumber("Y", RoundValue(value.Y));
		writer.WriteNumber("Z", RoundValue(value.Z));
		writer.WriteEndObject();
	}

	private static float RoundValue(float value)
	{
		float num = MathF.Round(value, 6);
		if (!(MathF.Abs(num) < 1E-06f))
		{
			return num;
		}
		return 0f;
	}
}