import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Collections;
import java.util.LinkedList;
import java.util.Scanner;

public class Lab {
	String file1;
	String file2;
	LinkedList<Integer> myList;

	public Lab(String file1,String file2) {
		this.file1 = file1;
		this.file2 = file2;
		myList = scanFile(file1);
 	}


	private LinkedList<Integer> scanFile(String file) {
		Scanner s = new Scanner(file);
		LinkedList<Integer> list = new LinkedList<Integer>();

		while (s.hasNext()) {
			list.add(Integer.parseInt(s.next()));
		}
		s.close();
		return list;


	}

	private File storeResult(String name,String result) {
		File log = new File(name);
		FileWriter fw;

		try {
			if (!log.exists()) {
				System.out.println("making a new file");
				log.createNewFile();
				fw = new FileWriter(log);
				fw.write("Mäter excekveringstid av en sorteringsalgoritm");
				fw.write(result);
			}
			else {
				fw = new FileWriter(log);
				fw.write(result);
			}

		}catch(IOException e){
			e.printStackTrace();
		}




		return log;
	}


	private String measureSortTime(LinkedList<Integer> list, int i) {
		long t1 = System.nanoTime();

		@SuppressWarnings("unchecked")
		LinkedList<Integer> copy = (LinkedList<Integer>) list.clone();
		Collections.sort(copy);


		long elapsedTime = System.nanoTime() - t1;

		String result = Long.toString(i + elapsedTime);
		return result;

	}

	private void doTheSorting(int n) {
		for(int i = 0; i < n; i++) {
			String result = measureSortTime(myList,i);
			storeResult(file2,result);
		}
	}






	public static void main(String[] args) {
		Lab mySort =  new Lab(args[0],args[1]);

	    int numberOfTimes = Integer.parseInt(args[2]);

		mySort.doTheSorting(numberOfTimes);

	}

}