// simplegame.cpp : Simple Blackjack game.
//

#include "stdafx.h"
#include <iostream>
#include <string>
#include <sstream>
using namespace std;

string const BUILD = "0001";

void println(string text, ...) {
	cout << text << endl;
	return;
}

void print(string text, ...) {
	cout << text;
	return;
}

string inttostr(int x) {
	std::stringstream out;
	out << x;
	return out.str();
}

int strtoint(string x) {
	return atoi(x.c_str());
}

int calcCards(int cards[21], int num) {
	int aces = 0;
	int total = 0;
	int maxTotal = 0;
	int aceAmount = 0;

	for(int x=0;x < num;x++) {
		if(cards[x] == 11) {
			aces++;
		}
		else {
			total+= cards[x];
		}
	}

	if(total + aces > 21) {
		println("You're bust!");
		return 0;
	}

	if(total + aces == 21) {
		println("Blackjack!");
		return 2;
	}
	
	maxTotal = total;

	for(int x=0;x < aces;x++) {
		if(maxTotal + 10 + aces - x > 21){
			maxTotal++;
		}
		else {
			maxTotal=+ 11;
			aceAmount++;
		}
	}
	
	if(maxTotal == 21) {
		println("Blackjack!");
		return 2;
	}
	else {
		println("You have " + inttostr(maxTotal) + " (or " + inttostr(maxTotal - aceAmount * 10) + ")");
		return -1;
	}
}

int aiCards(int cards[21], int num, bool show) {
	int aces = 0;
	int total = 0;
	int maxTotal = 0;
	int aceAmount = 0;

	for(int x=0;x < num;x++) {
		if(cards[x] == 11) {
			aces++;
		}
		else {
			total+= cards[x];
		}
	}

	if(total + aces > 21) {
		if(show)
			println("Dealer Bust!");
		return 0;
	}

	if(total + aces == 21) {
		if(show)
			println("Dealer Wins!");
		return -2;
	}
	
	maxTotal = total;

	for(int x=0;x < aces;x++) {
		if(maxTotal + 10 + aces - x > 21){
			maxTotal++;
		}
		else {
			maxTotal=+ 11;
			aceAmount++;
		}
	}
	
	if(maxTotal == 21) {
		if(show)
			println("Dealer Wins!");
		return -2;
	}
	else {
		return maxTotal;
	}
}

int _tmain(int argc, _TCHAR* argv[])
{
	bool run = true;
	int cash = 200;
	int bet = 0;
	bool hit = true;
	bool failure = false;
	int cards[2][21];
	int cardLoc[2];
	string in;

	//cout << "GBlackjack (Build " << BUILD << ")";
	println("GBlackjack 1.0 (Build " + BUILD + ")");
	println("");
	

	while(run) {
		println("");
		if(cash < 1) {
			println("Getting Saved! +$50");
			cash = 50;
		}

		bet = 0;

		// Display Cash
		println("Your amount: $" + inttostr(cash));

		// Enter Bet
		while (bet == 0) {
			print("Enter your bet: $");
			getline(cin, in);
			bet = strtoint(in);
			if(bet > cash) {
				println("You don't have that kind of money!");
				bet = 0;
			}
			else if(bet == 0) {
				println("You can't bet nothing!");
			}
		}

		// Calc Dealer & Player
		cards[0][0] = rand() % 9 + 2;
		cards[0][1] = rand() % 9 + 2;
		cardLoc[0] = 2;
		cards[1][0] = rand() % 9 + 2;
		cards[1][1] = rand() % 9 + 2;
		cardLoc[1] = 2;
		calcCards(cards[0],cardLoc[0]);
		
		// Hits
		hit = true;
		failure = false;
		while(hit) {
			println("Hit? (y/n)");
			getline(cin, in);
			if(in.find("y") == 0 || in.find("Y") == 0) {
				cards[0][cardLoc[0]] = rand() % 9 + 2;
				cardLoc[0]++;
				switch(calcCards(cards[0],cardLoc[0])) {
					case 0:
						hit = false;
						failure = true;
						cash = cash - bet;
						println("-$"+ inttostr(bet));
					break;

					case 1:
						hit = false;
						failure = true;
						cash = cash + bet;
						println("+$"+ inttostr(bet));
					break;

					case 2:
						hit = false;
						failure = true;
						cash = cash + bet*2;
						println("+$"+ inttostr(bet*2));
					break;
				}
			}
			else if(in.find("n") == 0 || in.find("N") == 0) {
				hit = false;
			}
		}

		// Finish
		if(!failure) {
			hit = true;
			while(hit) {
				if(aiCards(cards[0],cardLoc[0],false) > aiCards(cards[1],cardLoc[1],false)) {
					cards[0][cardLoc[0]] = rand() % 9 + 2;
					cardLoc[0]++;
					switch(aiCards(cards[0],cardLoc[0],true)) {
						case 0:
							hit = false;
							failure = true;
							cash = cash + bet;
							println("+$"+ inttostr(bet));
						break;

						case -1:
							hit = false;
							failure = true;
							cash = cash - bet;
							println("-$"+ inttostr(bet));
						break;

						case -2:
							hit = false;
							failure = true;
							cash = cash - bet;
							println("-$"+ inttostr(bet));
						break;
					}
				}
				else {
					hit = false;
				}
			}
		}

		if(!failure) {
			if(aiCards(cards[0],cardLoc[0],false) > aiCards(cards[1],cardLoc[1],false)) {
				println("Player Win!");
				cash = cash + bet;
				println("+$"+ inttostr(bet));
			}

			if(aiCards(cards[0],cardLoc[0],false) < aiCards(cards[1],cardLoc[1],false)) {
				println("Dealer Win!");
				cash = cash - bet;
				println("-$"+ inttostr(bet));
			}

			if(aiCards(cards[0],cardLoc[0],false) == aiCards(cards[1],cardLoc[1],false))
				println("Tie!");

		}

		// Display Result
		println("You now have $" + inttostr(cash));

		// Play Again?
		println("Try again? (y/n)");
		getline(cin, in);
		if(in.find("n") == 0 || in.find("N") == 0) {
			run = false;
		}
	}

	return 0;
}