// File: ex5-7.cpp

#include <iostream>
#include <cstdlib>			// needed for rand() function
#include <cstring>
#include <cassert>
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"};

const int HandSize = 5;
const int DeckSize = 52;

class deck;

class hand
{
  friend void threeOrFourOfAKind(const deck& d,const hand&);

  public:
	 hand(void);
	 ~hand();
	 void dealMe(deck&);
	 void print(const deck&) const;
	 char* getName(void) const {return name;}
  private:
	 char* name;
	 int card_no[HandSize];
};


hand::hand(void)
{
  char temp[32];
  cout << "Enter player name => ";
  cin >> temp;
  name = new char[strlen(temp) + 1];
  strcpy(name,temp);
}

hand::~hand()
{
  delete [] name;
}

class card
{
  private:
	 int value;
	 int suit;
  public:
	 card () { }
	 void assign(int);
	 int get_value(void) const { return value;}
	 int get_suit(void) const { return suit;}
	 void print(void) const;
};

void card::assign(int x)
{
  value = x % 13;
  suit = x % 4;
}

void card::print(void) const
{
  cout << (value_name[value]) << " of "  << (suit_name[suit]) << endl;
}


class deck
{
  friend void threeOrFourOfAKind(const deck&,const hand&);
  friend class hand;
  public:
     deck();
	 void print(void) const;

  private:
	 card d[DeckSize];
	 int next_card;
	 void shuffle(void);

};


deck::deck()
{
  int i;
  for (i = 0; i < DeckSize; i++) d[i].assign(i);
  next_card = 0;
  shuffle();
}

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

void deck::print(void) const
{
  int i;
  for (i = 0; i < DeckSize; i++) d[i].print();
}

void hand::dealMe(deck& dk)
{
  int i;
  assert(dk.next_card < DeckSize-4);
  for (i = 0; i < HandSize; i++) card_no[i] = dk.next_card++;
}

void hand::print(const deck& dk) const
{
  int i;
  for (i = 0; i < HandSize; i++) dk.d[card_no[i]].print();
}

int main (void)
{
  deck poker;

  hand player[3];
  int i;
  for (i = 0; i < 3; i++) player[i].dealMe(poker);
  for (i = 0; i < 3; i++)
  {
	 cout << "\nOk "<<(player[i].getName()) <<", here is your hand\n";
	 player[i].print(poker);
	 threeOrFourOfAKind(poker,player[i]);
  }
  return 0;
}

void threeOrFourOfAKind(const deck& dk,const hand& who)
{
  int temp;
  int card_count;
  for (int i = 0; i < 3; i++)
  {
	 card_count = 1;
	 temp = (dk.d[who.card_no[i]]).get_value();
	 for (int j = i + 1; j < HandSize; j++)
		if (temp == dk.d[who.card_no[j]].get_value()) card_count++;
	 if (card_count > 2)
	 {
		cout << "Hey, " <<(who.getName()) <<", you have " << card_count
		<< ' ' << value_name[temp] << "s.\n";
		return;
	 }
  }
  return;
}