/** This program simulates a guessing game.  The computer will randomly
 *  think of some number we are to guess.  We'll get a certain number of
 *  tries to get it right.  Program features a loop and random number
 *  generation.
 */
import java.io.*;

public class Driver
{
  public static void main(String [] args) throws IOException
  {
    BufferedReader kbd = new BufferedReader(new InputStreamReader(System.in));

    System.out.println("Welcome to my guessing game.  Let's see if you can");
    System.out.println("guess my secret number.");
    System.out.println("Let's start you off with $10.");

    // initialize the game
    Player p = new Player(10);

    // Keep playing the game until the player is broke or wants to quit.
    while (true)
    {
      System.out.print("\nHow much do you want to bet?  ");
      int bet = Integer.parseInt(kbd.readLine());

      // Check to make sure they aren't betting more than they have.
      if (!p.isValidBet(bet))
      {
        System.out.println("You don't have that much money!");
        continue;
      }

      // Loop until we win or lose the game.  We don't know in advance
      // how many iterations the loop will take, so a while loop seems
      // appropriate.

      Guess game = new Guess();

      while (true)
      {
        System.out.print("enter your guess:  ");
        int newGuess = Integer.parseInt(kbd.readLine());
        if (game.good(newGuess))
        {
          System.out.println("Congratulations!  You guessed my number!");
	  p.changeBalance(bet);
          break;
        }
        else if (game.isOver())
        {
          System.out.println("Sorry, you have run out of guesses.  Better luck"
                           + " next time");
          System.out.println("The answer was " + game.giveAnswer());
	  p.changeBalance(-bet);

          break;
        }
      }

      // Print the player's balance and see if they want to continue
      // playing or give up.
      System.out.println("You now have $ " + p.getBalance());
      if (p.isBroke())
      {
	System.out.println("Sorry -- you have run out of money!");
	break;
      }

      System.out.print("Want to play some more?  (y/n) ");
      char choice = kbd.readLine().charAt(0);
      if (! (choice == 'Y' || choice == 'y'))
	break;
    }
  }
}

// How could we modify the program so that if we win, it says how many
// guesses it took us?  Also, think about how we could modify the class so
// that it can give advise in case our guess is really way off, for example
// starting off with 90.