import java.util.Scanner;

/**
 * BlackJack class.
 * 
 * @author John Paxton
 * @version October 15, 2008
 */

public class BlackJack
{
    public static void main (String [] args)
    {
        CardDeck deck = new CardDeck();
        int lowerBound;
        int upperBound = 21;
        Scanner in = new Scanner (System.in);
        
        System.out.println("CS 160, Program 3, BlackJack Simulator");
        System.out.println("--------------------------------------\n");
         
        System.out.println("The upper bound is 21.");
        System.out.println("Please enter the lower bound");
        lowerBound = getInteger(1, 21, in);
        
        deck.initializeSimulation(lowerBound, upperBound);
        
        for (int i = 0; i < SIMULATIONS; i++)
        {
            deck.simulateBlackJack();
        }
        
        System.out.println("\nResults for [" + lowerBound + ", " + upperBound + "]\n");
        System.out.println("Number of wins = " + deck.getWins());
        System.out.println("Number of losses = " + deck.getLosses());
        System.out.println("Total games = " + SIMULATIONS);
            
    }  
    
    private static int getInteger (int lower, int upper, Scanner in)
    {
        int answer = lower - 1;
        while ((answer < lower) || (answer > upper))
        {
            System.out.print("Enter an integer between " + lower + " and " + upper + ": ");
            if (in.hasNextInt())
            {
                answer = in.nextInt();
            }
            in.nextLine();
        }
        
        return answer;
    }
    
    public static final int SIMULATIONS = 1000000;
}