#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int amountOfGames() {
	int gameNumber;

	cout << "How many games would you like to play? ";
	cin >> gameNumber;

	return gameNumber;
}

char returnCard() {
	char deck[] = { 'A', '2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K' };

	int randomNum = rand() % 13;
	cout << randomNum << endl;
	return deck[randomNum];
}

bool dealerBust(int total) {
	if (total > 21) {
		return true;
	}
	else {
		return false;
	}
}

int cardValue(char cardChar) {
	switch (cardChar) {
	case 'A': return 1;
		break;
	case '2': return 2;
		break;
	case '3': return 3;
		break;
	case '4': return 4;
		break;
	case '5': return 5;
		break;
	case '6': return 6;
		break;
	case '7': return 7;
		break;
	case '8': return 8;
		break;
	case '9': return 9;
		break;
	case '10': return 10;
		break;
	case 'J': return 10;
		break;
	case 'Q': return 10;
		break;
	case 'K': return 10;
		break;
	default: return 0;
		break;
	}
}

int main() {
	int gameNumber = amountOfGames();
	int playerTotal, dealerTotal;
	int playedGames = 0;
	bool didDealerBust = false;
	bool dealerHasAce = false;
	bool playerHasAce = false;
	bool didPlayerBust = false;
	bool keepPulling = true;
	char pulledCard, userInput;
	srand(time(NULL));
	do {
		pulledCard = returnCard();
		if (pulledCard == 'A')
			dealerHasAce = true;
		cout << "Dealer's first card: " << pulledCard << endl;
		dealerTotal = cardValue(pulledCard);

		pulledCard = returnCard();
		if (pulledCard == 'A')
			playerHasAce = true;
		cout << "Your first card: " << pulledCard << endl;
		playerTotal = cardValue(pulledCard);
		pulledCard = returnCard();
		if (pulledCard == 'A')
			playerHasAce = true;
		cout << "Your second card: " << pulledCard << endl;
		playerTotal = cardValue(pulledCard) + playerTotal;

		cout << "Current dealer total: " << dealerTotal << endl;
		cout << "Current player total: " << playerTotal << endl;

		do {
			cout << "Would you like another card? (Y/N): ";
			cin >> userInput;
			if (userInput == 'y' || userInput == 'Y') {
				pulledCard = returnCard();
				if (pulledCard == 'A')
					playerHasAce = true;
				cout << "Your next card: " << pulledCard << endl;
				playerTotal = cardValue(pulledCard) + playerTotal;
				cout << "New player total: " << playerTotal << endl;

				if (playerTotal > 21) {
					keepPulling = false;
					didPlayerBust = true;
					cout << "You busted! Next game start." << endl;
				}
			}
			else if (userInput == 'n' || userInput == 'N') {
				keepPulling = false;

				if (playerHasAce && playerTotal <=11){
					playerTotal = playerTotal + 10;
				}
				cout << "User stays at " << playerTotal << endl;
			}
		} while (keepPulling == true);

		if (didPlayerBust == false) {
			do {
				if (pulledCard == 'A')
					dealerHasAce = true;
				cout << "Dealer's next card: " << pulledCard << endl;
				dealerTotal = cardValue(pulledCard) + dealerTotal;
				cout << "New dealer total: " << dealerTotal << endl;

				if (dealerHasAce && (dealerTotal > 6 && dealerTotal < 12)) {
					dealerTotal = dealerTotal + 10;
					cout << "New dealer total: " << dealerTotal << endl;
				}
				didDealerBust = dealerBust(dealerTotal);
			} while (dealerTotal < 17 || didDealerBust == false);
		}
		playedGames++;
	} while (playedGames < gameNumber);
}