// estimate the probility that a flush will occur when poker
// hands are dealt.  A flush occurs when at least five cards 
// are of the same suit
#include <time.h>
#include <iostream>
#include "poker1.h"

void main()
{
	card one_hand[9];  // max of 9 cards per hand
	deck dk; 
	int fcnt = 0;      // used for flush count
	int sval[4];       // the number of cards of a particular
			   // suit value found in the hand
	int ndeal;         // number of deals
        int nc;            // number of cards dealt to each hand
	int nhand;         // number of hands to be dealt with the deck
	int i, j; 
	
	do {
		cout << "\nEnter no. cards in a hand (5-9): "; 
		cin >> nc; 
	} while (nc < 5 || nc > 9); 
	nhand = 52 / nc;  

	cout << "\nEnter no. of deals: "; 
	cin >> ndeal; 

	srand(time(NULL));     // seed rand() from time(); 
	init_deck(dk); 
	print_deck(dk); 

        for (int k = 0; k < ndeal; k += nhand) {
		if ((nhand + k) > ndeal)  // the last time a deck needs to
			nhand = ndeal - k;    // be shuffled. 
		shuffle(dk); 

		for (i = 0; i < nc * nhand; i += nc) 
		{
			for (j = 0; j < 4; j++)   
				sval[j] = 0;           // zero suit counts
			deal(nc, i, one_hand, dk); // deal next hand

			for (j = 0; j < nc; j++)
				sval[one_hand[j].s]++; // increment suit count
			for (j = 0; j < 4; j++)
				if (sval[j] >= 5)      // 5 or more is flush
					fcnt++; 
		}
	}

	cout << "\n\nIn " << ndeal << " "; 
	cout << nc << "-card hands there were "; 
	cout << fcnt << " flushes\n  "; 
}