/* Lesley Hogan
 * June 30th 2006
 * Blackjack.java
 * Play a modified version of blackjack
 * CS 101 HW J4:
 * http://www.cs.virginia.edu/~asb/teaching/cs101-spring06/hws/hwj4/index.html
 */

package net.bunnie.uva.cs101;

import java.util.*;

public class Blackjack {
    public static void main (String[] args) {
        System.out.println("Welcome to the UVA Casino Blackjack table.");
        
        //declarations
        Vector<Card> deck = new Vector<Card>();
        int i;
        int dealerPoints;
        int playerPoints;
        String displayCard;
        boolean keepDealing;
        boolean keepPlaying;
        YesNoExtractor e = new YesNoExtractor();
        
        do {
            //create and shuffle deck
            System.out.println();
            dealerPoints = 0;
            playerPoints = 0;
            keepDealing = true;
            for(i = 0; i < 52; i++) {
                deck.add(new Card(i + 1));
            }
            Collections.shuffle(deck);
            playerPoints = drawCard(deck, playerPoints, "You", false);
            //System.out.println(playerPoints);
            Card hiddenCard = deck.remove(0);
            dealerPoints = hiddenCard.getBlackjackValue();
            System.out.println("Dealt to Dealer: hidden card");
            playerPoints = drawCard(deck, playerPoints, "You", false);
            dealerPoints = drawCard(deck, dealerPoints, "Dealer", false);
            System.out.println("\nYou have " + playerPoints + " right now.");

            while ((playerPoints < 21) && (keepDealing == true)) {
                //System.out.println("Loop: " + playerPoints + ", " + keepDealing);
                if (e.askUser("Would you like another card?")) {
                    playerPoints = drawCard(deck, playerPoints, "You", true);
                }
                else {
                    keepDealing = false;
                }
            }
            System.out.println("No more cards for you! Your total: " + playerPoints);
            //dealer automatically wins on bust, so this is before dealer loop
            if (playerPoints > 21) {
                System.out.println("\nYou busted. The dealer wins.");
            }
            else {
                //dealer loop
                displayCard = hiddenCard.toString();
                System.out.println("\nDealer's hidden card: " + displayCard);
                while (dealerPoints < 17) {
                    dealerPoints = drawCard(deck, dealerPoints, "Dealer", true);
                }
                System.out.println("Dealer is done with getting more cards at " +
                    dealerPoints + ".\n");

                //game result
                if (dealerPoints > 21) {
                    System.out.println("Dealer busted. You win!");
                }
                else if (dealerPoints == playerPoints) {
                    if (dealerPoints == 21) {
                        System.out.print("You both got 21! ");
                    }
                    System.out.println("You tied.");
                }
                else if (dealerPoints > playerPoints) {
                    if (dealerPoints == 21) {
                        System.out.print("Dealer got a 21. ");
                    }
                    System.out.println("Dealer wins.");
                }
                else {
                    if (playerPoints == 21) {
                        System.out.print("You got 21! ");
                    }
                    System.out.println("You win!!");
                }
            }
        }
        while (e.askUser("Would you like to play again?"));
    }
    static int drawCard(Vector<Card> deck, int points, String who, boolean display) {
        Card cardDrawn = deck.remove(0);
        points += cardDrawn.getBlackjackValue();
        String displayCard = cardDrawn.toString();
        System.out.println("Dealt to " + who + ": " + displayCard);
        if (display == true) {
            System.out.println("Total for " + who + ": " + points);
        }
        return points;
    }
}