#include "Deck.h"
#include "Card.h"
#include <iostream.h>

int main(void) {
   Deck cards;   // this is our deck of cards.
   int score = 0;  // this keeps track of the players score.   
 
   char cont = 'y';   /* and this keeps track of whether or not the player wants
		       * to continue the game... */
   int cardnum1,cardnum2,cardnum3,cardnum4;  // these store the cards read from the user
   Card *card1,*card2,*card3,*card4; // these store the actual cards taken from the deck
   
   
   // to start, we shuffle the deck...
   cards.shuffle();
   
   // and loop while the player still wants to play AND there are still cards
   // left in the deck.
   while (( cont != 'n') && (cards.size() > 0)) {
      
      // here we read the next four cards from the user
      cout << "\nCards remaining: 1 though " << cards.size() << ".\n";
      cout << "Select card 1: ";
      cin >> cardnum1;
      cout << "Select card 2: ";
      cin >> cardnum2;
      cout << "Select card 3: ";
      cin >> cardnum3;
      cout << "Select card 4: ";
      cin >> cardnum4;
      
      // we then check them for basic sanity, make sure they are unique and that
      // they are within the valid range of cards left in the deck.
      if ((cardnum1 != cardnum2) && (cardnum2 != cardnum3) && (cardnum3 != cardnum4)) {
	 if ((cardnum1 <= cards.size()) && (cardnum2 <= cards.size()) &&
	     (cardnum3 <= cards.size()) && (cardnum4 <= cards.size())) {
	    
	    // we now show the luser which cards were chosen
	    card1 = cards.get_card(cardnum1);
	    cout << "\nCard 1 is: ";
	    card1->show();
	    card2 = cards.get_card(cardnum2);
	    cout << "Card 2 is: ";
	    card2->show();
	    card3 = cards.get_card(cardnum3);
	    cout << "Card 3 is: ";
	    card3->show();
	    card4 = cards.get_card(cardnum4);
	    cout << "Card 4 is: ";
	    card4->show();
	    cout << "\n";
	    // and then calculate the score.

	    // did the user match the rank of all four cards?
	    if ((card1->get_rank() == card2->get_rank()) && (card2->get_rank() == card3->get_rank())
		&& (card3->get_rank() == card4->get_rank())) {
	       score += 1000;
	       cout << "all cards are the same rank, you score 1000 points.\n";
	    } 
	    // did the user match the suit of all four cards?
	    else if ((card1->get_suit() == card2->get_suit()) && (card2->get_suit() == card3->get_suit())
		       && (card3->get_suit() == card4->get_suit())) {
	       score += 10;
	       cout << "all cards are the same suit, you score 10 points.\n";
	    } 
	    // did the user match nothing at all?
	    else {
	       score -= 7;
	       cout << "cards do not have matching rank or suit, you lose 7 points.\n";
	    }
	    
	    // now we pack the deck to remove empty the empty slots, and we are ready 
	    // go again...
	    cards.pack();
	    
	 } else {
	    cout << "card value out of range.\n";
	 } 
      } else {
	 cout << "card requests must be unique.\n";
      }
      
      // the the user her score
      cout << "You have " << score << " points. ";

      if (cards.size() > 0) {  // no need to prompt if there are no cards left...
	 // ask the user if the want to continue
	 cout << "Continue game? (y/n): ";
	 cin >> cont;
      } else {
        cout << "No more cards in deck.\n";
      }
   }
   cout << "Game ended.  Score: " << score << " points.\n";
}