// Emulates a game of roulette, with simplified betting
// and payout rules.
// Uses a British roulette wheel (no 00, which is only present
// in the American version)

import java.util.*; // for both Scanner and Random

public class Roulette {
   public static void main(String[] args) {
      Scanner console = new Scanner(System.in);
      Random rand = new Random();
      int money = 1000;
      
      while (money > 0) {
         System.out.print("You have $" + money + ". Place your bet: " );
         int bet = console.nextInt();
         
         // this is slightly different that what we wrote in class
         // this RE-prompts the user if the bet was too high.
         while (bet > money) {
            System.out.println("You bet too much: $" + bet);
            System.out.print("You have $" + money + ". Place your bet: " );
            int bet = console.nextInt();            
         }
         
         money -= bet;
         // money = money - bet;    (synonym of the above line)

         // prompt the user for a number guess         
         System.out.print("Pick a number between 0 and 36: ");
         int guess = console.nextInt();         

         // "spin the wheel"
         int answer = rand.nextInt(37);
         System.out.println(answer + "!!!");
         
         // payout the user if they guessed correctly
         if (guess == answer) {
            money += bet * 35;
         }
      }
   }
}