/**
????Pontoon
????@author:?
????@version:??
????purpose:?KXC151?assignment?2?2007
?*/

import?java.io.IOException;

public?class?Blackjack?{
	//?final?instance?variables

	//?non-final?instance?variables
	private?Decks?cards;
	private?boolean?tracing;
	private?int?played?=?0;
	private?int?playerWin?=?0;
	private?int?computerWin?=?0;
	private?int?drew?=?0;

	/**
	?*?constructor
	?*?
	?*?@param?none
	?*?@return?none
	?*/
	public?Blackjack（）?{
		tracing?=?true;
		setTracing（tracing）;?//?set?tracing?off
		introduceBlackjack（）;
		
		cards?=?new?Decks（1）;
		
		cards.setTracing（false）;
		
	}

	/**
	?*?play?--?play?a?game?of?Blackjack
	?*?
	?*?@param?none
	?*?@return?none
	?*/
	public?void?play（）?{
		boolean?isPlayerTurn?=?true;
		if?（askBegin（）?==?true）?{

			showDealCards（）;
			while?（askHitOrStand（））??//if?player?choice?Hit
			{
				showDraw（isPlayerTurn）;	
				if（cards.isBust（isPlayerTurn）?||?（cards.getNumberOfCards（isPlayerTurn）?==?5））
				{
					break;
				}
			}
			showTotal（isPlayerTurn）;
			
			
			if（cards.getNumberOfCards（isPlayerTurn）?==?5?&&?!cards.isBust（isPlayerTurn））?//if?player?has?5?cards?with?a?value?of?21?or?less
			{
				showWinInfo（cards.Player）;
			}
			else?if（cards.isBust（isPlayerTurn））
			{
				showWinInfo（cards.COMPUTER）;
			}
			else
			{	isPlayerTurn?=?false;??//It‘s?Computer?Turn
				//?if?computer?is?not?bust?and?number?of?Cards?less?than?5?and?total?of?Cards?less?than?system?sits（16）?then?computer?draw?a?card
				while?（!cards.isBust（isPlayerTurn）?&&?cards.getNumberOfCards（isPlayerTurn）?yerTurn）?				{
					showDraw（isPlayerTurn）;	
				}
				showTotal（isPlayerTurn）;
				
				showWinInfo（cards.whoWon（））;
			}
			play（）;
		}
		else
		{
			showSummary（）;
		}

	}

	/**
	?*?explain?--?give?information?on?the?game
	?*?
	?*?@param?none
	?*?@return?none
	?*/
	public?void?explain（）?{
		trace（“explain:?begins“）;
	}

	/**
	?*?setTracing?-?used?to?turn?tracing?messages?on?or?off
	?*?
	?*?@param?boolean?--
	?*????????????indicates?the?required?state?of?messages?（true?on?false?off）
	?*?@return?none
	?*/
	public?void?setTracing（boolean?traceState）?{
		tracing?=?traceState;
	}

	/**
	?*?trace?-?displays?tracing?messages
	?*?
	?*?@param?String?--
	?*????????????the?message?to?be?displayed?if?instance?variable?tracing?is
	?*????????????true
	?*?@return?none
	?*/
	public?void?trace（String?message）?{
		if?（tracing）?{
			System.out.println（message）;
		}
	}

	/**
	?*?introduceBlackjack?-?introduce?the?game?of?Blackjack
	?*?
	?*?@return?none
	?*/
	public?void?introduceBlackjack（）?{
		trace（“Blackjack?-?A?Game?of?21“）;
		trace（““）;
		trace（“The?object?of?the?game?is?to?get?as?close?to?21?as?possible?or?to?have?5?cards?with?a?total?under?21“）;
		trace（““）;
		trace（“The?computer?continues?to?draw?cards?if?under?16“）;
		trace（““）;
	}

	/**
	?*?ask?-?ask

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????6575??2009-05-12?05:32??Blackjack.java
?????文件???????11186??2009-05-12?05:32??Decks.java
?????文件?????????388??2009-05-12?05:32??PlayBlackjack07.java