package casino;


public class Roulette implements Game {
	
	private String[] validBets = {"Even", "Odd", "1-36"};
	private String bet = null;
	private int amt;
	private RandomInt wheel = new RandomInt(0,36);
	
	public String getName() {
		return "Roulette";
	}

	public String[] getValidBets() {
		return validBets;
	}
	
	public boolean isValidBet (String b){
		if (b.equals(validBets[0]) || b.equals(validBets[1]))
			return true;
		else {
			try {
				int i = Integer.decode(b);
				return ((i > 0) && (i < 37));
			}
			catch (NumberFormatException e){
				return false;
			}
		}
	}

	public int play() {	
		
		// Sping the wheel.
		
		System.out.println("The wheel is spinning ...");
		int number = wheel.random();
		System.out.println("The ball has landed on:  " + number);
		
		// Compute the payoff.
		
		if (bet.equals("Even")) {
			if ((number % 2 == 0) && number > 0) // win
				return amt;
			else // lose
				return -amt;
		}
		else if (bet.equals("Odd")) {
			if (number % 2 == 1)  // win
				return amt;
			else //lose
				return -amt;
		}
		else if (Integer.decode(bet) == number)  // win
			return 35*amt;
		else return -amt; // lose
	}

	public void setBet(String bet) {
		this.bet = bet;
	}

	public void setBetAmount(int amt) {
		this.amt = amt;
	}

}