#include <iostream>
using std::cout;
using std::left;
using std::right;

#include <iomanip>
using std::setw;

#include <cstdlib> // prototype for rand and srand
using std::rand;
using std::srand;

#include <ctime>
using std::time;

#include "DeckOfCards.h"

//DeckOfCards default constructor initializes deck to 0s
DeckOfCards::DeckOfCards()
{
     //loop through rows
     for (int row = 0; row <= 3; row++)
     {// loop through columns
         for (int column = 0; column <= 14; column++)
         {// initialize elements to 0s
            deck[row][column] = 0;
         } // end inner for
     } // end outer for
     
     // seed random number generator
     srand(static_cast< unsigned >(time(0)));
} // end DeckOfCards default constructor

// DeckOfCards member function shuffle()
void DeckOfCards::shuffle()
{
     int row; // represents suit value of card
     int column; // represents face value of card
     
     // for each of the 52 cards, choose a slot of the deck randomly
     for (int card = 1; card <= 52; card++)
     {
         do // choose a new random location until unoccupied slot is found
         {
               row = rand()% 4;// randomly select the row
               column = rand() % 13; // randomly select the column
         } while (deck[row][column] != 0); // end do...while loop
         
         // place card number in chosen slot of deck
         deck[row][column]=card;
     } // end for loop
} // end shuffle function

// DeckOfCards member function deal()
void DeckOfCards::deal()
{
     // initialize suit array
     static const char *suit[4] = 
        { "Hearts","Diamonds","Clubs","Spades"};
        
     // initialize face array
     static const char *face[13] =
        { "Ace","Deuce","Three","Four","Five","Six","Seven",
        "Eight","Nine","Ten","Jack","Queen","King"};
        
     // for each of the 52 cards
     for ( int card = 1; card <= 52; card++)
     {
         // loop rows
         for (int row = 1; row <= 3; row++)
         {    // loop columns
             for (int column = 0; column <= 12; column++)
             {
                 if (deck[row][column] == card)
                 {
                       cout << setw(5) << right << face[column] 
                            << " of " << setw(8) << left << suit[row]
                            << (card % 2 == 0 ? '\n' : '\t');
                 } // end if
             } // end innermost for
         } // end inner for
     } // end outer for
} // end function deal()