/* File: play7.cpp

   CMSC 202 Computer Science II
   Spring 2016 Project 2

   The main() function in this program uses
   the Card and PokerHand classes to pick 
   the best five cards to keep at the end 
   of game of Seven Card Stud.

*/

#include <iostream>
using namespace std ;

#include "pokerhand.h"

int main() {

   const int SEVEN = 7 ;

   Card h7[SEVEN] ;   // holds the seven cards dealt
   PokerHand maxH ;   // the best five card hand so far
   PokerHand thisH ;  // current five card hand being considered

   // the seven cards we have been dealt 
   //
   h7[0] = Card(Card::Spades,   12) ;
   h7[1] = Card(Card::Clubs,    11) ;
   h7[2] = Card(Card::Clubs,    12) ;
   h7[3] = Card(Card::Diamonds,  8) ;
   h7[4] = Card(Card::Diamonds, 12) ;
   h7[5] = Card(Card::Clubs,     2) ;
   h7[6] = Card(Card::Hearts,   12) ;


   // print out the origingal seven card hand
   //
   cout << "Original cards:\n" ;
   for (int k=0 ; k < SEVEN ; k++) {
      h7[k].print() ;
   }
   cout << "\n\n" ;


   // Consider all possible ways of dropping two cards
   // from the seven card hand. The variable i is the
   // first card dropped and j is the second card dropped.
   //
   for (int i=0 ; i < SEVEN ; i++) {
      for (int j=i+1 ; j < SEVEN ; j++) {

         // cout << "Dropping i=" << i << ", j=" << j << endl ;

         Card pick[PokerHand::FIVE] ;
         int t = 0 ;

         // Iterate over all seven cards and assign them
         // to the pick[] array, but not cards #i and #j.
         // 
         for (int k=0 ; k < SEVEN ; k++) {
            if (k == i || k == j) continue ;
            pick[t] = h7[k] ;
            t++ ;
         }

         /* 
         // Some debugging code to see pick[] array
         //
         cout << "t = " << t << " (should be 5)\n" ;
         for (int k=0 ; k < PokerHand::FIVE ; k++) {
            pick[k].print() ;
         }
         */
         

         // Make a PokerHand with pick[]
         //
         thisH = PokerHand(pick[0], pick[1], pick[2], pick[3], pick[4]) ;
         cout << "Current pick: " ;
         thisH.printRank() ;
         cout << endl ;
         thisH.printCards() ;
         cout << endl ;


         // Check to see if this hand is better than
         // the best we've seen so far
         //
         if (maxH.cmp(thisH) < 0) {

            maxH = thisH ;

            cout << "*** Better hand found!\n" ;
            cout << "New best hand: " ;
            thisH.printRank() ;
            cout << endl ;
            thisH.printCards() ;
            cout << endl ;
         }
      }
   }


   // What's the best hand??
   //
   cout << "*** Best five-card hand ***\n" ;
   maxH.printRank() ;
   cout << endl ;
   maxH.printCards() ;

}