app/Main.hs

@@ -18,21 +18,24 @@ ordinals = [
     "twelfth"
     ]
 
-signatures :: [ ( Int, Int, Int, Int) ]
+signatures :: [ ( Int, Int, Int) ]
 signatures = [
-    ( 3, 6, 5, 0 ),
-    ( 5, 6, 4, 1 ),
-    ( 4, 7, 5, 1 ),
-    ( 4, 4, 5, 5 ),
-    ( 3, 5, 8, 8 ),
-    ( 5, 5, 10, 5 ),
-    ( 5, 5, 9, 20 ),
-    ( 4, 6, 7, 10 ),
-    ( 3, 5, 9, 23 ),
-    ( 6, 6, 6, 3 ),
-    ( 6, 8, 8, 3 )
+    ( 3, 6, 5 ),
+    ( 5, 6, 4 ),
+    ( 4, 7, 5 ),
+    ( 4, 4, 5 ),
+    ( 3, 5, 8 ),
+    ( 5, 5, 10 ),
+    ( 5, 5, 9 ),
+    ( 4, 6, 7 ),
+    ( 3, 5, 9 ),
+    ( 6, 6, 6 ),
+    ( 6, 8, 8 )
     ]
 
+offsets :: [ Int ]
+offsets = [ 0, 1, 1, 5, 8, 5, 20, 10, 23, 3, 3 ]
+
 cardinals :: [ String ]
 cardinals = [
     "Two",
@@ -90,17 +93,17 @@ matchGifts ( i, j, k ) = filter match gifts
 giftStr :: ( String, String, String ) -> String
 giftStr (c, a, b) = c ++ " " ++ a ++ " " ++ b
 
-
-wrapGift :: ( Int, Int, Int ) -> [ String ]
-wrapGift (i, j, k) = map giftStr $ matchGifts (i, j, k)
-
+wrapGifts :: ( Int, Int, Int ) -> [ String ]
+wrapGifts (i, j, k) = map giftStr $ matchGifts (i, j, k)
 
 allGifts :: [ [ String ] ]
-allGifts  map wrapGift $ reverse signatures
+allGifts = map wrapGifts $ reverse signatures
+
+   
 
 
-tuples :: [ ( String, String ) ]
-tuples = zip (reverse ordinals) allGifts
+-- tuples :: [ ( String, String ) ]
+-- tuples = zip (reverse ordinals) allGifts
 
 
 concatLines :: [ String ] -> String
@@ -125,16 +128,20 @@ recurseVerse (t:ts) = [ (makeVerse ord gs) ] ++ (recurseVerse ts)
 
 
 
-randomOffsets :: StdGen -> [ String ]
-randomOffsets gen gsets = map (\gs -> mod rs (length gs)) gsets
-    where rs = take (length gsets) . unfoldr (Just . random)
+randomOffsets :: StdGen -> [ [ String ] ] -> [ Int ]
+randomOffsets gen gsets = map (\t -> mod (fst t) (length (snd t))) ts
+    where rs = randomInts gen (length gsets)
+          ts = zip rs gsets
 
+randomInts :: StdGen -> Int -> [ Int ]
+randomInts gen n = take n $ randoms gen
 
 main :: IO ()
 main = do
     gen <- newStdGen
     let offsets = randomOffsets gen allGifts
     print offsets
+    print allGifts
 
 
 -- putStrLn $ foldr (\a b -> a ++ "\n\n" ++ b) "" $ reverse $ recurseVerse tuples

package.yaml

@@ -21,6 +21,7 @@ description:         Please see the README on GitHub at <https://github.com/gith
 
 dependencies:
 - base >= 4.7 && < 5
+- random
 
 ghc-options:
 - -Wall