xquery version "1.0-ml";

declare variable $deck-counter := map:map();
declare variable $deck := map:map();

declare function local:get-card($num) {
  let $card := map:get($deck-counter, xs:string($num))
  return
  if (fn:empty($card)) then
     local:get-card(xdmp:random(52))
  else ($card, map:delete($deck-counter, xs:string($card)))
};

let $suit := ("diamonds", "spades", "clubs", "hearts") let $counter := 0

let $count :=
for $suit-count at $p in (1 to 4)
for $card-num in (1 to 13)
let $_ := xdmp:set($counter, ($counter + 1)) let $card :=
  if($card-num eq 1) then
    fn:concat("ace of ", $suit[$p])
  else if ($card-num eq 11) then
    fn:concat("jack of ", $suit[$p])
  else if ($card-num eq 12) then
    fn:concat("queen of ", $suit[$p])
  else if ($card-num eq 13) then
    fn:concat("king of ", $suit[$p])
  else fn:concat($card-num, " of ", $suit[$p])
return map:put($deck, xs:string($counter), $card)

let $_load_deck :=
for $i in (1 to 52)
return map:put($deck-counter, xs:string($i), $i)

let $cards-to-deal := 2
let $max-players := 3

for $card in (1 to $cards-to-deal)
for $player in (1 to $max-players)
let $card :=
  local:get-card(xdmp:random(52))
return (fn:concat("player: ", $player, " card: ", map:get($deck, xs:string($card))))