using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;

namespace SGU.CredentialProvider;

internal static class ProviderTileIcon
{
    public const int Size = 72;

    public static Bitmap Create()
    {
        Bitmap bitmap = new(Size, Size, PixelFormat.Format32bppArgb);
        using Graphics graphics = Graphics.FromImage(bitmap);
        graphics.SmoothingMode = SmoothingMode.AntiAlias;
        graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
        graphics.Clear(Color.Transparent);

        using SolidBrush background = new(Color.FromArgb(0, 83, 155));
        graphics.FillEllipse(background, 1, 1, Size - 2, Size - 2);

        using Pen key = new(Color.White, 5.5f)
        {
            StartCap = LineCap.Round,
            EndCap = LineCap.Round,
            LineJoin = LineJoin.Round
        };

        graphics.DrawEllipse(key, 14, 14, 25, 25);
        graphics.DrawLine(key, 35, 35, 57, 57);
        graphics.DrawLine(key, 47, 47, 55, 39);
        graphics.DrawLine(key, 53, 53, 61, 45);

        return bitmap;
    }
}