Prompter.java

import java.io.Console;

public class Prompter {
  private Game mGame;
  
  public Prompter(Game game) {
    mGame = game;
  }

  public void play() {
    while (mGame.getRemainingTries() > 0 && !mGame.isSolved()) {
      displayProgress();
      promptForGuess();
    }
    if (mGame.isSolved()) {
      System.out.printf("Congratulations, you won with %d tries remaining. \n",
                        mGame.getRemainingTries());
    } else {
      System.out.printf("Bummer the word was %s.  :(\n",
                        mGame.getAnswer());
    }
  }  
  
  public boolean promptForGuess() {
    Console console = System.console();
    boolean isHit = false;
    boolean isValidGuess = false;
    while (! isValidGuess) {
      String guessAsString = console.readLine("Enter a letter: ");
      try {
        isHit = mGame.applyGuess(guessAsString);
        isValidGuess = true;
      } catch (IllegalArgumentException iae){
        console.printf("%s. Please try again.\n", iae.getMessage());
      }
    }
    return isHit;
  }
  
  public void displayProgress() {
    System.out.printf("You have %d tries left to solve: %s\n", 
                      mGame.getRemainingTries(),
                      mGame.getCurrentProgress());
  }
}