// File: ex3-10.cpp - the card and deck example with nested classes

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

const char* value_name[13] =
  {"two","three","four","five","six",
   "seven","eight","nine","ten","jack","queen","king","ace"};
const char* suit_name[4] =
   {"clubs","diamonds","hearts","spades"};

class deck
{
  public:						// Why is this public?
    class card
    {
      private:
        int value;
        int suit;
      public:
        void assign(int);
        int get_value(void) const;
        int get_suit(void) const;
        void print(void) const;
    };

  private:
    card d[52];
    int next_card;
  public:
    void create_deck(void);
    void shuffle(void);
    void deal(int=5);
    void print(void) const;
};

int deck::card::get_value(void) const {
  return value;
}

int deck::card::get_suit(void) const {
  return suit;
}
void deck::card::assign(int x)
{
  value = x % 13;
  suit = x / 13;
  return;
}

void deck::card::print(void) const
{
  cout << (value_name[get_value()]) << " of "
       << (suit_name[get_suit()]) << endl;
  return;
}

void deck::create_deck(void)
{
  for (int i = 0; i < 52; i++) d[i].assign(i);
  next_card = 0;
  return;
}

void deck::shuffle(void)
{
  int i, k;
  card temp;
  cout << "I am shuffling the deck\n";
  for (i = 0; i < 52; i++)
  {
    k = rand() % 52;
    temp = d[i];
    d[i] = d[k];
    d[k] = temp;
  }
  return;
}

void deck::print(void) const
{
  cout << "\nHere's the deck:\n";
  for (int i = 0; i < 52; i++) d[i].print();
  return;
}

void deck::deal(int no_of_cards)
{
  cout <<"\nOk, I will deal you "<<no_of_cards<<" cards:\n";
  for (int i=0;i<no_of_cards; i++)  d[next_card++].print();
  return;
}
int main (void)
{
//  card C;				// Instantiate a card object
  deck::card C;
  C.assign(17);
  C.print();			// prints six of diamonds

  deck poker;
  poker.create_deck();
  poker.print();
  poker.shuffle();
  poker.print();
  poker.deal();
  poker.deal(3);

  return 0;
}