namespace fis.Vid
{
    class VidDisplayEngine:IDisplayEngine
    {
        private readonly VinnoImageData _imageData;

        public int ImageCount { get; }

        public byte[] BasicData { get; }
        public byte[] ExtendedData { get; }
        public VidDisplayEngine(string filePath)
        {
            _imageData = new VinnoImageData(filePath, OperationMode.Open);
            ImageCount = _imageData.ImageCount;
            BasicData = _imageData.Probe?.ToBytes();
            ExtendedData = _imageData.ExtendedData;
        }

        public void Close()
        {
            _imageData.Dispose();
        }

        public byte[] GetImageData(int index)
        {
            var vinnoImage = _imageData.GetImage(index);
            if (vinnoImage != null)
            {
                return vinnoImage.ToBytes();
            }

            return new byte[0];
        }
    }
}