//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.
										
	
	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!"<< endl;
	cout << "\nWe won't try to take your money... much."<< endl;
	cout << "\nYou 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]] << endl;

			if (numCardsInHand ==0)
			{
				numCardsInHand++;
				currentDeckPosition++;
			}
			hand[numCardsInHand] = deck[currentDeckPosition];
			cout <<" " << name[hand[1]] << endl;
			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]];					
				cout << "hand total: " << handValueTotal<< endl<< endl;
			}
			if(handValueTotal > 21)												
			{
				cout << "\tBUST!"<< endl;
				cout << "You went over 21."<< endl;
				finalScore -= moneyBet;
				break;
			}
		

			cout << "\nYou have Currently: " <<finalScore << endl;
			cout << "1- Stay"<< endl;
			cout << "2- Hit"<< endl;
			cout << "3- Bet"<< endl;
			cout << "4- Quit"<< endl;
		
			cout << "\nSelect a number to proceed: ";
			cin >> choice;
		
			switch (choice)
			{
			case 1:
				cout<< "dealer got: "<< dealerNumber << endl;
				cout << "You got:" << handValueTotal<< endl;
				if(dealerNumber >handValueTotal)
				{
					cout << "you lose!"<< endl;
					finalScore -= moneyBet;
					cout << "You have Currently: " << finalScore << endl;
					break;
				}
				if(dealerNumber < handValueTotal)
				{
					cout << "You win!"<< endl;
					finalScore += moneyBet;
					cout << "You have Currently: " << finalScore << endl;
					break;
				}
				break;

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

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

			case 4:
				cout << "Your total winnings are: " << finalScore <<endl;
				system ("pause");
				return 0;

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

			}
			
		}
		cout << "Play again?: ";
		cin >> again;
		numCardsInHand = 0;
		currentDeckPosition = 0; 
		sum = 0;
		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; 

	}

	cout << "Your total winnings are: " << finalScore; 
	system ("pause");

	return 0;
}