using System.Drawing;
using FFMpegCore.Enums;

namespace FFMpegCore.Arguments
{
    /// <summary>
    /// Represents scale parameter
    /// </summary>
    public class ScaleArgument : IVideoFilterArgument
    {
        public readonly Size? Size;
        public ScaleArgument(Size? size)
        {
            Size = size;
        }

        public ScaleArgument(int width, int height) : this(new Size(width, height)) { }

        public ScaleArgument(VideoSize videosize)
        {
            Size = videosize == VideoSize.Original ? null : (Size?)new Size(-1, (int)videosize);
        }

        public string Key { get; } = "scale";
        public string Value => Size == null ? string.Empty : $"{Size.Value.Width}:{Size.Value.Height}";
    }
}