package Algorithms.recursion;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/**
 * Created by Ruslan Zhdan on 30.05.2016.
 */
public class AnagramApp
{
    static int size;
    static int count;
    static char[] arrCharr = new char[100];


    public static void main(String[] args) throws IOException
    {
        System.out.print("Enter a word: ");
        String input = getString();
        size = input.length();
        count = 0;
        for (int j = 0; j < size; j++)
            arrCharr[j] = input.charAt(j);
        doAnagram(size);
    }

    public static void doAnagram (int newSize)
    {
        if (newSize == 1)
            return;
        for (int j = 0; j < newSize; j++){
            doAnagram(newSize-1);
            if (newSize == 2)
                displayWord();
            rotate(newSize);
        }
    }

    public static void rotate(int newSize)
    {
        int j;
        int position  = size - newSize;
        char temp = arrCharr[position];
        for (j = position+1; j < size; j++)
            arrCharr[j-1] = arrCharr[j];
        arrCharr[j-1] = temp;
    }

    public static void displayWord()
    {
        if (count < 99)
            System.out.print(" ");
        if (count < 9)
            System.out.print(" ");
        System.out.println(++count + " ");
        for (int j = 0; j < size; j++)
            System.out.print(arrCharr[j]);
        System.out.print("      ");
        System.out.flush();
        if (count % 6 == 0)
            System.out.println("");
    }

    public static String getString() throws IOException
    {
        InputStreamReader isr = new InputStreamReader(System.in);
        BufferedReader br = new BufferedReader(isr);
        String s = br.readLine();
        return s;
    }
}