// This program simulates a simplified version of European Roulette.
//
// Notice the use of Random objects, the tallying of the number of
//   spins, and the tracking of the maximum bank.
import java.util.*;

public class Roulette {
   public static void main(String[] args) {
      Scanner console = new Scanner(System.in);
      Random rand = new Random();
      
      int bank = 100;
      int max = bank;
      int numSpins = 0;
      int bet = getBet(console, bank);
      while (bet != 0 && bank > 0) {
         bank = spinWheel(console, rand, bet, bank);
         
         numSpins++;
         if (bank > max) {
            max = bank;
         }
         System.out.println();
         bet = getBet(console, bank);       
      }
      System.out.println();
      printStats(bank, max, numSpins);
   }
   
   public static int getBet(Scanner console, int bank) {
      System.out.println("Current bank: $" + bank);
      System.out.print("Bet how much (0 to quit)? $");
      int bet = console.nextInt();
      return Math.min(bet, bank);   
   }
   
   public static int spinWheel(Scanner console, Random rand, int bet, int bank) {
      System.out.print("High or low? ");
      String pick = console.next();
      
      int spin = rand.nextInt(37);
      
      System.out.println("Spin: " + spin);
      if ((pick.equalsIgnoreCase("high") && spin > 18) ||
          (pick.equalsIgnoreCase("low") && spin <= 18 && spin != 0)) {
         System.out.println("You win!");
         bank += bet;
      } else {
         System.out.println("You lose. :-(");
         bank -= bet;
      }
      return bank;   
   }
   
   public static void printStats(int bank, int max, int spins) {
      System.out.println("You spun " + spins + " time(s).");
      System.out.println("Final bank: $" + bank);
      System.out.println("Maximum bank: $" + max);
   }
}