#include <iostream>
#include <cctype>

using namespace std; 
int main (){
    char card;
    int number_of_cards, i, total, tmp,eleven;
    total = 0;
    cout << "This is a blackjack program.\n";
    cout << "Type the number of cards you have in your hand (Should be between 2-5 cards).\n";
    cin >> number_of_cards;
    cout << "Enter 2-9 if you have that card. If you have a 10, type t.\n";
    cout << "If you have a jack, type j. Queen, type q. King, type K.\n";
    cout << "If you have an ace, type a if you'd like for it to be a one, A for eleven.\n";
	eleven = 0;
    for(i=0;i<number_of_cards;i++)
    { 
        cin >> card;
		card = toupper(card);
		switch(card){
			case 'A':
				if(total > 10){ //change it to a 1
					tmp = 1;
				}else{
					tmp = 11;
					eleven++;
				}
			break;
			case 'Q':
				tmp = 10;
			break;
			case 'K':
				tmp = 10;
			break;
			case 'J':
				tmp = 10;
			break;
			case 'T':
				tmp = 10;
			break;
			default :
				if(bool(isdigit(card)) == true && card != 0 && card != 1){
					tmp = card-48; //-48 to fix ascii offset
				}else{
					//User intered something stupid help correct this
					i--;
					cout << "You entered an invalid card please re-enter this card" << endl;
					tmp = 0;
				}
			break;
		}
		cout << "Card is " << tmp << endl;
        total = total + tmp;
    }
	if(total > 21){
		//Ok time to use that eleven varaiable
		if(eleven > 0){
			//There were aces counted as 11
			while(eleven != 0){
				if(total <= 21){
					break; //ok it reduced it below 21
				}else{
					//reduce total
					total = total-10;
					//remove the ace from the pool
					eleven--;
				}
			}
		}
	}

    
    cout << "Your hand score is " << total << " points.\n";      
    
    if (total < 21){
     cout << "You don't exactly have 21, but you have a chance of winning this hand.\n";
    }
    else if (total == 21 ){
        cout << "You win!\n";
    }
    else if (total > 21){
        cout << "Sorry, but since you passed 21, you lose.\n";
    }
    
    
    
    
    system("Pause.");
    return 0;
}