/***********************
 *
 *   Wheel - creates a Wheel of Fortune style puzzle based on user input.
 *
 *   Author:   Shawn Brenneman
 *   Date:     2015-Sep-24  
 *
 ***********************/ 
 import java.util.Scanner;
 public class Wheel
 {
 public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);

    System.out.print("Enter a phrase: ");
    String phrase = scan.nextLine().toUpperCase();

    String extendedPhrase = "";

    int pos=0;
    while (pos < phrase.length()) {
        extendedPhrase += phrase.charAt(pos) + " ";
        pos++;
    }
    phrase = extendedPhrase;

    String puzzle = "";

    pos=0;
    while (pos < phrase.length()) {
        char letter = phrase.charAt(pos);
        if ((letter >= 'A') && (letter <= 'Z')) {
            puzzle += '_';
        } else {
            puzzle += letter;
        }
        pos++;
    } // while
    
    System.out.println("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
    System.out.println(puzzle);
    System.out.println();
    System.out.println();

    char letter;
    int guesses = 0;
    while (!(puzzle.equals(phrase))){
        System.out.print("Guess a letter: ");
        letter = scan.nextLine().toUpperCase().charAt(0);
        guesses++;

        String newPuzzle = "";
        pos=0;
        while (pos < phrase.length()) {
            if (letter == phrase.charAt(pos)) {
                newPuzzle += letter;
            } else {
                newPuzzle += puzzle.charAt(pos);
            }
            pos++;
        }
        puzzle = newPuzzle;
        System.out.println();
        System.out.println(puzzle);
/*        System.out.println();
        System.out.println("puzzle: |" + puzzle + "|");
        System.out.println("phrase: |" + phrase + "|");
        System.out.println();  */
    }    

 System.out.println();
 System.out.println(" Hooray! It took you " + guesses + " guesses. \n\n\n");
 } //main 
 }