using System.Globalization;
using System.Text.Json;
namespace Kbx.Shared.ExternalData;
public static class KisCurrentPriceNormalizer
{
    public static KbxMarketPriceSnapshot Normalize(ReadOnlySpan<byte> payload,string marketDivisionCode,string stockCode)
    {
        using var doc=JsonDocument.Parse(payload);
        if(!doc.RootElement.TryGetProperty("output",out var output) || !output.TryGetProperty("stck_prpr",out var priceValue) || !decimal.TryParse(priceValue.GetString(),NumberStyles.Number,CultureInfo.InvariantCulture,out var price))
            throw new InvalidDataException("KIS current price response does not contain a valid stck_prpr.");
        return new(marketDivisionCode,stockCode,price);
    }
}