import sraja.lib.java.*;

public class Main 
{

  private MindReader mr;
  private static final int MAX = 25;

  // *************************
  //   Main
  // *************************

  public Main() 
  {
    mr = new MindReader();
  }

  // *************************
  // play
  // *************************

  public void play () 
  {
    char guess, prediction;
    int right = 0, wrong = 0;
    do {
      Stdio.println();
      Stdio.println ("Guess head or tails and i'll predict your guess.");

      // 1. make a prediction
      prediction = mr.getPrediction();

      // 2. retrieve a guess from the user
      guess = Stdio.readChar ("What is your guess [h/t] ? ");

      // 3. check
      if (guess == prediction) 
        {
          Stdio.println ("Yes!. I too predicted " + prediction);
          right++;
        } else {
          Stdio.println ("No. I predicted " + prediction);
          wrong++;
        }

      // 4. store the guess
      mr.storePlayerGuess(guess);

      Stdio.println ("Score = " + right + " | " + wrong);
    } while ((right < MAX) && (wrong < MAX));

    // print the final outcome

    Stdio.println();
    Stdio.println("Final tally = " + right + " | " + wrong);

    Stdio.println ((right > wrong) ? 
                   "I out guessed you" 
                   :
                   "You beat me :-(");
  }


  // *************************
  // main
  // *************************

  public static void main (String[] args) 
  {
    Main mn = new Main();
    Stdio.println ("               Welcome to MindReader");
    do {
      mn.play();
    } while (Stdio.readChar("\nPlay again [y/n] ? ") == 'y');
  }
}