//BlackJack 
//Classic Gambling game where the player counts to 21. 

#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;
const int NUM_CARDS_IN_DECK = 13; //there are 13 cards in a suit;
const int MAX_CARDS_IN_HAND = 11;//player's limit of how many card he can obtain in one hand.

int main ()
{
	char again = 'y';
	char approach = 'y';

//code from deck maker start
	srand((unsigned int)time(0)); //seeds random numbers for game
	int deck[NUM_CARDS_IN_DECK];
	int value[NUM_CARDS_IN_DECK] = { 11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10 };
	char name[NUM_CARDS_IN_DECK] = { 'A', '2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K' };
	//deck end

	int randomNumber = rand(); //generate random number!
	int high = 21;
	int low = 10;
	int range = (high - low) + 1;
	int dealerNumber = rand()% range + low;
	int sum = 0;
	int i = 0;
	int handValueTotal = 0; 

	int finalScore = 0;  
	int startMoney = 120;														//starting spending money
	finalScore += startMoney;
	int feePerRound = 20;														//how much it costs to replay
	int tableFee = feePerRound;													//amount player pays to get cards/play one round.
										//random number between 1 and 21 (modified)
	
	int winnings = 0, moneyBet;													//how much money the player will bet after seeing the cards.
	//deck maker start
	//initializing deck
	for( int i=0; i<NUM_CARDS_IN_DECK; i++ )
	{
		deck[i] = i;
	}

	//shuffle deck
	for( int i=0; i<NUM_CARDS_IN_DECK; i++ )
	{
		int randomCard = rand()%NUM_CARDS_IN_DECK;
		int temp = deck[i];
		deck[i] = deck[randomCard];
		deck[randomCard] = temp;
	}

	int currentDeckPosition = 0;
	int hand[MAX_CARDS_IN_HAND];
	int numCardsInHand = 0; 
	// deck maker end
	
	


	cout << "\t\t\tWelcome to Blackjack!\n\n";
	cout << "\nWe won't try to take your money... much.\n";
	cout << "You have currently: " << startMoney;

	cout << "\nPay the table minimum?(y/n): ";
	cin >> approach;
	
	while (again == 'y')
	{
	cout << "how Much would you like to bet ?: ";
	cin >> moneyBet;
	finalScore -= tableFee;
	while (approach == 'y')
		{
		
		int choice;

		cout << "\nYour two cards: ";
		hand[numCardsInHand] = deck[currentDeckPosition];
		cout << "\n " << name[hand[0]] << "\n";

		if (numCardsInHand ==0)
		{
		numCardsInHand++;
		currentDeckPosition++;
		}
		hand[numCardsInHand] = deck[currentDeckPosition];
		cout <<" " << name[hand[1]] << "\n";
		if(numCardsInHand<2) 
		{
			for( int i=0; i<numCardsInHand; i++) 
			{
				i++;
				sum += value[hand[0]];
				handValueTotal = (sum +=value[hand[i]]);
				cout << "hand total: " << handValueTotal;
			}
		}else
		{
			handValueTotal +=value[hand[numCardsInHand]];					//adds the value of any new cards obtained
				cout << "hand total: " << handValueTotal;
		}
		if(handValueTotal > 21)												//when the player's card total over 21, he busts/loses. 
		{
			cout << "\n\n\tBUST!\n";
			cout << "\nYou went over 21.";
			finalScore -= moneyBet;
			break;
		}
		

		cout << "\nYou have Currently: " <<finalScore;
		cout << "\n1- Stay";
		cout << "\n2- Hit";
		cout << "\n3- Bet";
		cout << "\n4- Quit";
		
		cout << "\nSelect a number to proceed: ";
		cin >> choice;
		
		switch (choice)
		{
		case 1:
			
			cout<< "dealer got: "<< dealerNumber;
			cout << "\nYou got:" << handValueTotal;
			if(dealerNumber >handValueTotal)
			{
				cout << "\nyou lose!\n";
				finalScore -= moneyBet;
				break;
			}
			if(dealerNumber < handValueTotal)
			{
				cout << "\nYou win!\n";
				finalScore += moneyBet;
				break;
			}
			break;

		case 2:												
			numCardsInHand++;
			currentDeckPosition++;
			hand[numCardsInHand] = deck[currentDeckPosition];
			cout << "you were dealt: " << name[hand[numCardsInHand]];
			break;

		case 3:
			cout << "how Much?: ";
			cin >> moneyBet;
			break;

		case 4:
			cout << "\nYour total winnings are: " << finalScore <<"\n";
			system ("pause");
			return 0;

		default:
			cout << "you didnt enter 1,2, or 3./n";

		}
		
	}
	cout << "Play again?: ";
		cin >> again;

	}

	cout << "\nYour total winnings are: " << finalScore; 

	system ("pause");

	return 0;
}