import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.Arrays;
import java.util.Comparator;

import org.apache.commons.io.filefilter.WildcardFileFilter;

public class ImageFinderTimestamp extends ImageFinder
{

	public ImageFinderTimestamp(String rootFolder)
	{
		super(rootFolder);
		// TODO Auto-generated constructor stub
	}

	static int sortedimagecounter = 0;

	static int fileslenght = 0;

	static File[] files = null;

	private static void sortImages()
	{

		// System.out.println("Path: " + rootFolder + years[i] + "/"
		// + monthNames[j] + "/" );
		/*
		 * File dir = new File( rootFolder + years[i] + "/" + monthNames[j] +
		 * "/");
		 */
		File dir = new File(rootFolder + "/");

		files = dir.listFiles();

		fileslenght = files.length;

		System.out.println("File lenght: " + fileslenght);
		
		System.exit(0);

		sortFilesByDateCreated(files);

		sortedimagecounter = 0;

		/*
		 * for (int k = 0; k < files.length; k++) {
		 * System.out.println(files[k].getName()); }
		 */

	}

	public String getImagePath(int imageCounter)
	{
		String path = null;

		if (sortedimagecounter != (fileslenght - 1)) {
			System.out.println("sort new Images");
			sortImages();
			path = files[sortedimagecounter].getAbsolutePath();
			sortedimagecounter++;
			return path;
		} else {
			path = files[sortedimagecounter].getAbsolutePath();
			sortedimagecounter++;
			return path;
		}

	}

	public static void sortFilesByDateCreated(File[] files)
	{
		Arrays.sort(files, new Comparator<File>() {
			public int compare(File f1, File f2)
			{
				long l1 = getFileCreationEpoch(f1);
				long l2 = getFileCreationEpoch(f2);
				return Long.valueOf(l1).compareTo(l2);
			}
		});
	}

	public static long getFileCreationEpoch(File file)
	{
		try {
			BasicFileAttributes attr = Files.readAttributes(file.toPath(),
					BasicFileAttributes.class);
			return attr.creationTime().toInstant().toEpochMilli();
		} catch (IOException e) {
			throw new RuntimeException(file.getAbsolutePath(), e);
		}
	}

}