import java.io.*;
import java.util.*;
 
//*************************************************************
//Class Roulette contains the main driver for a roulette game
//*************************************************************
class Roulette {
	 
	 //========================================================
	 // Contains the main processing loop for the roulette game
	 //========================================================
	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.makeBet();
		  	 System.out.println ("Cash available: " + player.cash());
		  	 done = !player.spinAgain();
		  	 System.out.println();
		  }	 
		}//method main
} //class Roulette
 
 
//*****************************************************************
// Class Player represents one roulette player.
//*****************************************************************
 
class Player {
	 public static int bet,ballPosition,money;
	 private static BufferedReader stdin;
	 private static int betType;
	 public int yourSpin; 
	 private int totalpay;
	 public static int totalwinnings, winnings, yourNumber;
   
		 
	 //=============================================================
	 // The player constructor sets up the initial available cash.
     //=============================================================
    public Player (int initialMoney) {
     	money = initialMoney;
     	stdin = new BufferedReader (new InputStreamReader(System.in));
   
   }//constructor Player
  
  //================================================================
  // Returns this player's current available cash.
  //================================================================
     public int cash() {
     	return money;
     } //method cash
    
     
   //==============================================================
   // Prompts the user and reads betting information.
   //==============================================================
     public void makeBet() throws IOException{
        System.out.print ("How much to bet: ");
     	bet = Integer.parseInt (stdin.readLine());     	
     	money = money - bet; 
     	 
     	   if (money == 0)
     	   System.out.println ("Betting it all!"); 
     	  
     	   betType = Wheel.betOptions( new BufferedReader( new     
     	   InputStreamReader(System.in)));
 
     	   
   	      	        		   
     	   if (betType == 3){
     	   System.out.println ("Pick a number from 1 to 37.");
     	   yourNumber = Integer.parseInt (stdin.readLine());} 
     	  
     	      	      	 
     	   yourSpin = Wheel.spin();
     	   totalpay = Player.payment();
     	  
     	   
     }//method makeBet
    
      public static int payment(){
     	  	   
        totalwinnings = ((Wheel.numberPayoff(bet,betType,ballPosition,yourNumber,winnings)) + (Wheel.redPayoff(bet,betType,ballPosition,winnings))+ (Wheel.blackPayoff(bet,betType,ballPosition,winnings)));
     
     	System.out.println ("Total payoff is " + totalwinnings);
            
     	System.out.println ();
        money = money + totalwinnings;
     	return money;
                                	    	      	
     } //method payment      
         
    //==============================================================
    // Determines if the player wants to spin wheel again.
    //==============================================================	
      public boolean spinAgain() throws IOException{
      	String answer;
      	System.out.print ("Spin again [y/n]? ");
      	answer = stdin.readLine();
      	return (answer.equals ("y") || answer.equals ("Y"));
      } //method spin_again
      
  } //class Player
  
  //****************************************************************
  // Class Wheel represents a roulette wheel and its operations. Its
  // data and methods are static because there is only one wheel.
  //***************************************************************
 
  
  class Wheel {
  	
  	private final static int RED = 1;
  	private final static int BLACK = 2;
  	private final static int POSITIONS = 37;
    private static int ballPosition;
  	private static int color;  
  
 
  	public static int spin()
  	{
  		
  	 int ballPosition = (int) (Math.random() * (POSITIONS - 1));
  	 
  	   if (ballPosition%2 == 0) {
  	   	 color = RED;
  	   	 System.out.println ("Color is RED");
  	     System.out.println ("Spin is: " + ballPosition);}    	   
  	   else  {
  	   	 color = BLACK;
  	   	 System.out.println ("Color is BLACK"); 
  	     System.out.println ("Spin is: " + ballPosition);}
  	     
       return ballPosition;  	  
      }  
            
    public static int numberPayoff ( int bet, int betType, int ballPosition, int yourNumber, int winnings){ 
        
      if (betType == 3 && ballPosition == yourNumber)
          winnings = bet * 36 + bet;        
           
     	return winnings;      
     }	
     
     public static int redPayoff (int bet, int betType, int ballPosition,int winnings){
         
         if (betType == 1 && color == 1)
           winnings = bet * 2 + bet;
                     
       return winnings; 
      } 
      
      public static int blackPayoff (int bet, int betType, int ballPosition,int winnings){
         
         if (betType == 2 && color == 2)
           winnings = bet * 2 + bet;
                     
       return winnings; 
      } 
                                                                                                                                                                                                                                                                                                                                                     
  	//==============================================================
  	// Presents betting options and reads player choice.
  	//=============================================================
  	public static int betOptions (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());
  	 }
  } // class Wheel