//CS5-HMC-Sp.,00-Lab5
//A. Khakpour, Mar., 00

import java.io.*;
import java.util.*;

class Roulette1
{
   public static void main (String args[]) throws IOException
   {
      Player player = new Player (100);
      boolean done = false;
      System.out.println ("Cash available: " + player.cash());
      System.out.println();

      while (!done)
      {
         player.make_bet();
         Wheel.spin();
         player.payment();
         System.out.println ("Cash available: " + player.cash());
         done = !player.spin_again();
         System.out.println();
      }
   }
}

class Player
{
   private int bet, money;
   private BufferedReader stdin;
   private int bet_type;
   private int number;

   public Player (int initial_money)
   {
      money = initial_money;

      stdin = new BufferedReader (new InputStreamReader(System.in));
   }

   public int cash()
   {
      return money;
   }

   public void make_bet() throws IOException
   {
      bet_type = Wheel.bet_options (stdin);
      if (bet_type == Wheel.NUMBER)
      {
         System.out.print("Enter a number from 0 to 36 to bet on: ");
         number = Integer.parseInt (stdin.readLine());
      }
      System.out.print ("How much to bet: ");
      bet = Integer.parseInt (stdin.readLine());
      if (money >= bet)
         money -= bet;
      else
      {
         money = 0;
         System.out.println ("Betting it all!");
      }       
   }

   public boolean spin_again() throws IOException
   {
      String answer;
      System.out.print ("Spin again [y/n]? ");
      answer = stdin.readLine();
      return (answer.equals("y") || answer.equals("Y"));
   }
   public void payment()
   {
     int a = Wheel.payoff(bet, bet_type, number);
     System.out.println("The payoff amount is: " + a);
     money += a;
   }     
}

class Wheel
{
   final static int RED = 1;
   final static int BLACK = 2;
   final static int NUMBER = 3;
   private static int ball_position;
   private static int color;
   private final static int POSITIONS = 37;

   public static int bet_options (BufferedReader stdin) throws IOException
   {
      System.out.println ("1. Bet on red");
      System.out.println ("2. Bet on black");
      System.out.println ("3. Bet on a particular number");
      System.out.print ("Your choice? ");
      return Integer.parseInt (stdin.readLine());
   }
   public static void spin()
   {
      ball_position = (int) (Math.random() * POSITIONS);
      color = ball_position % 2;
      if (color == 0)
         System.out.println("The color is RED");
      else
         System.out.println("The color is BLACK");
      System.out.println("The ball position is: " + ball_position);      
      return;
   }
   public static int payoff (int bet_amount, int bet_type, int number_bet)
   {
      int amount_won;
      if (bet_type == NUMBER)
         amount_won = number_payoff(bet_amount, number_bet);
      else
         amount_won = red_black_payoff(bet_amount, bet_type);
      return amount_won;
   }
   private static int number_payoff(int bet_amount, int number_bet)
   {
      int payoff_amount;
      if (number_bet == ball_position)
         payoff_amount = 36 * bet_amount;
      else
         payoff_amount = 0;
      return payoff_amount;
   }
   private static int red_black_payoff(int bet_amount, int bet_type)
   {
      int payoff_amount;
      if (color == bet_type - 1)
         payoff_amount = 2 * bet_amount;
      else
         payoff_amount = 0;
      return payoff_amount;
   }      
}