using QRCoder;

namespace GB5Shared.QRCode
{
    public static class QrCodeGenerator
    {
        // ECC level Q (25% error correction) — a good default for a printed/scanned certificate
        // that may be photographed at an angle or under poor lighting, without bloating the image.
        public static byte[] GenerateQrPng(string url, int pixelsPerModule = 20)
        {
            using var generator = new QRCodeGenerator();
            using var qrCodeData = generator.CreateQrCode(url, QRCodeGenerator.ECCLevel.Q);
            using var pngQrCode = new PngByteQRCode(qrCodeData);
            return pngQrCode.GetGraphic(pixelsPerModule);
        }
    }
}