import java.util.Random;

/**
 * Simulate a game of Craps played with 2 6-sided dice
 */
public class Craps
{
    // instance variables
    private boolean traceOn;    // print all rolls of the dice or not?
    private Die dieOne; 	// a 6-sided die object
    private Die dieTwo; 	// another  6-sided die object
    private boolean winner; 	// result of the game (won/lost)

    /**
     * Create dice and initialize the game
     * @param trace true if user wants all rolls of the dice to be printed,
     * false to just see end result (won or lost)
     */
    public Craps(boolean trace)
    {
        traceOn = trace ;
        dieOne = new Die() ;
        dieTwo = new Die() ;
        winner = false ;
    }

    /**
     * Play a game of craps. Continue throwing until a result is decided
     */
    public void play()
    {
        if (traceOn)
        {
            System.out.println("\nThe dice are coming out...");
        }

        // make initial roll of the dice
        int initialRoll = dieOne.roll() + dieTwo.roll();

        if (traceOn)
        {
            System.out.println("Initial Roll:  " + initialRoll);
        }

        // when dice are coming out, 7 or 11 wins, and 2,3, or 12 loses.  Any
        // other number becomes player's "point" to be matched...

        if (initialRoll == 7 || initialRoll == 11)
        {
            winner = true;
        } 
        else if (initialRoll == 2 || initialRoll == 3 || initialRoll == 12)
        {
            winner = false;
        } 
        else	// player's "point" is established
        {
            int point = initialRoll;
            if (traceOn)
            {
                System.out.print(point + " is your point.\nRolling...  ");
            }

            boolean gameOver = false;

            // repeat until the game is over...
            do
            {
                // roll again
                int newRoll = dieOne.roll() + dieTwo.roll();

                if (traceOn)
                {
                    System.out.print(newRoll + "  ");
                }

                // evaluate the new roll
                if (newRoll == 7)           // player loses!
                {
                    winner = false;
                    gameOver = true;
                } 
                else if (newRoll == point)  // player wins!
                {
                    winner = true;
                    gameOver = true;
                }
            } while (!gameOver) ;

            if (traceOn)
            {
                System.out.println();
            }
        }
    }

    /**
     * Report outcome of the game.
     *
     * @return true if player won, false if player lost
     */
    public boolean isWinner()
    {
        return winner;
    }
}