Go Fish/Mathematica

<lang Mathematica>ranks = {"Ace", "Two", "Three", "Four", "Five", "Six", "Seven",

  "Eight", "Nine", "Ten", "Jack", "Queen", "King"};

suits = {"Clubs", "Diamonds", "Hearts", "Spades"}; deck = Tuples[{Range[13], Range[4]}]; cardName[{rank_, suit_}] := ranksrank <> " of " <> suitssuit; Attributes[drawCards] = {HoldRest}; drawCards[num_, src_, dest_] :=

 Module[{cards = RandomSample[src, Min[num, Length[src]]]}, 
  dest = Join[dest, cards];
  src = Fold[DeleteCases[#, #2, 1, Count[cards, #2]] &, src, 
    Union[cards]];];

fixHand[{a___, {rank_, _}, b___, {rank_, _}, c___, {rank_, _},

   d___, {rank_, _}, e___}, prev_] := 
 fixHand[{a, b, c, d, e}, prev + 1];

fixHand[hand_, prev_] := {hand, prev}; player = opp = {}; drawCards[9, deck, player]; drawCards[9, deck, opp]; {player, playerBooks} = fixHand[player, 0]; {opp, oppBooks} = fixHand[opp, 0]; playerTurn = True; While[player != {} || opp != {} || deck != {},

If[player == {}, drawCards[deck, player, 1]]; 
If[opp == {}, drawCards[deck, opp, 1]]; 
If[playerTurn, 
 Module[{choice = 
    ChoiceDialog[
     "Your opponent has " <> IntegerString[oppBooks] <> 
      " books, and you have " <> IntegerString[playerBooks] <> 
      " books and these cards: " <> 
      StringRiffle[cardName /@ SortBy[player, #1 + #2/10 &], 
       ", "] <> "\nWhich rank will you call?", 
     ranks# -> # & /@ Range[13]]}, 
  If[MemberQ[opp, {choice, _}], 
   player = Join[player, Cases[opp, {choice, _}]]; 
   opp = DeleteCases[opp, {choice, _}], drawCards[1, deck, player]; 
   DialogInput[
    DialogNotebook[{TextCell["Go fish! You gained a card.", 
       FontFamily -> "Arial"], DefaultButton[]}]]; 
   playerTurn = False]], 
 Module[{choice = Commonest[First /@ opp, 1]1}, 
  If[MemberQ[player, {choice, _}], 
   opp = Join[opp, Cases[player, {choice, _}]]; 
   player = DeleteCases[player, {choice, _}], 
   playerTurn = True]]]; {player, playerBooks} = 
 fixHand[player, playerBooks]; {opp, oppBooks} = 
 fixHand[opp, oppBooks]]; MessageDialog[
Which[oppBooks > playerBooks, 
 "Your opponent wins with " <> IntegerString[oppBooks] <> " books!", 
 playerBooks > oppBooks, 
 "You win with " <> IntegerString[playerBooks] <> " books!", True, 
 "Tie!"]];</lang>