51 lines
1.5 KiB
Haskell
51 lines
1.5 KiB
Haskell
module Preview where
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import Data.List
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import Data.Maybe
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import Packs
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import State
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import Timestamp
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import Format
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type Preview = ([DataPack], [DataPack], Maybe BigBox, Maybe BigBox)
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changes :: Eq a => [a] -> [a] -> [a]
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changes x y = filter (\n -> not $ n `elem` y) x
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diffRot :: [InRot] -> [InRot] -> ([DataPack], [DataPack])
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diffRot c f = (packIn, packOut)
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where
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packIn = map clean $ changes f c
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packOut = map clean $ changes c f
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clean = (\(Ir n) -> n)
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getPreview :: Timestamp -> Maybe Preview
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getPreview n
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| isPreviewSeason n = Just $ (fst packsChange, snd packsChange, head b, head (rotate 1 b))
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| otherwise = Nothing
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where
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((i,o), (Bq b), r) = currentFormat n
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packsChange = diffRot i ni
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((ni,_),_,_) = nextFormat ((i,o),(Bq b),r)
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printLegal :: State -> [String]
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printLegal ((i,o),(Bq b),_) = [
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"===Evergreen:\nRevised Core Set x3"
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, "===Deluxes :\n" ++ (intercalate "\n" $ sort $ map show $ catMaybes (tail b))
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, "===Datapacks:\n" ++ (intercalate "\n" $ sort $ map show $ map (\(Ir n) -> n) i)
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]
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printPreview :: Maybe Preview -> [String]
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printPreview (Just (i, o, bi, bo)) = [
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"===Upcoming Changes:"
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, ("===In :\n" ++ (intercalate "\n" $ (map show i) ++ (map show cbi)))
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, ("===Out:\n" ++ (intercalate "\n" $ (map show o) ++ (map show cbo)))
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]
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where
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rmEmp = filter (/="")
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cbi = catMaybes [bi]
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cbo = catMaybes [bo]
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cleanDP = map (\(Or n _) -> n)
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printPreview Nothing = []
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