Clasificar contenido de imagenes y guardar los archivos en carpetas distintas

class ClassifyImages
{
    private string _imagesPath;
    private string _imagesClassPath;
    private string _imagesClassPath;
    private string _imagesClassPath;
    private string _imagesClassPath;
    private string _imagesClassPath;
    private string _imagesClassPath;

    public ClassifyImages(string imagesPath)
    {
        _imagePath = imagesPath;
    }

    public void ClassifyContent()
    {
        string[] fileEntries = Directory.GetFiles(_imagesPath);
        foreach (string fileName in fileEntries)
        {
            string[] parts = fileName.Split('\\');
            string[] nameParts = parts[1].Split('.');
            string tag = nameParts[0];
            string filePath = $"{_imagesPath}{parts[1]}";
            switch (tag)
            {
                case "M":
                    processFile("M", filePath);
                    break;
                case "A":
                    processFile("A", filePath);
                    break;
                case "N":