{-# LANGUAGE FlexibleContexts #-}

module Saturn.Unstable.Type.Minute where

import qualified Data.Coerce as Coerce
import qualified Data.Set as Set
import qualified Data.Text.Lazy.Builder as Builder
import qualified Data.Word as Word
import qualified Saturn.Unstable.Type.Field as Field
import qualified Text.Parsec as Parsec

newtype Minute
  = Minute Field.Field
  deriving (Minute -> Minute -> Bool
(Minute -> Minute -> Bool)
-> (Minute -> Minute -> Bool) -> Eq Minute
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: Minute -> Minute -> Bool
== :: Minute -> Minute -> Bool
$c/= :: Minute -> Minute -> Bool
/= :: Minute -> Minute -> Bool
Eq, Int -> Minute -> ShowS
[Minute] -> ShowS
Minute -> String
(Int -> Minute -> ShowS)
-> (Minute -> String) -> ([Minute] -> ShowS) -> Show Minute
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> Minute -> ShowS
showsPrec :: Int -> Minute -> ShowS
$cshow :: Minute -> String
show :: Minute -> String
$cshowList :: [Minute] -> ShowS
showList :: [Minute] -> ShowS
Show)

bounds :: (Word.Word8, Word.Word8)
bounds :: (Word8, Word8)
bounds = (Word8
0, Word8
59)

fromField :: Field.Field -> Maybe Minute
fromField :: Field -> Maybe Minute
fromField Field
field =
  if (Word8, Word8) -> Field -> Bool
Field.isValid (Word8, Word8)
bounds Field
field then Minute -> Maybe Minute
forall a. a -> Maybe a
Just (Minute -> Maybe Minute) -> Minute -> Maybe Minute
forall a b. (a -> b) -> a -> b
$ Field -> Minute
Minute Field
field else Maybe Minute
forall a. Maybe a
Nothing

toField :: Minute -> Field.Field
toField :: Minute -> Field
toField = Minute -> Field
forall a b. Coercible a b => a -> b
Coerce.coerce

parsec :: (Parsec.Stream s m Char) => Parsec.ParsecT s u m Minute
parsec :: forall s (m :: * -> *) u. Stream s m Char => ParsecT s u m Minute
parsec = do
  Field
field <- ParsecT s u m Field
forall s (m :: * -> *) u. Stream s m Char => ParsecT s u m Field
Field.parsec
  ParsecT s u m Minute
-> (Minute -> ParsecT s u m Minute)
-> Maybe Minute
-> ParsecT s u m Minute
forall b a. b -> (a -> b) -> Maybe a -> b
maybe (String -> ParsecT s u m Minute
forall a. String -> ParsecT s u m a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"invalid Minute") Minute -> ParsecT s u m Minute
forall a. a -> ParsecT s u m a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Maybe Minute -> ParsecT s u m Minute)
-> Maybe Minute -> ParsecT s u m Minute
forall a b. (a -> b) -> a -> b
$ Field -> Maybe Minute
fromField Field
field

toBuilder :: Minute -> Builder.Builder
toBuilder :: Minute -> Builder
toBuilder = Field -> Builder
Field.toBuilder (Field -> Builder) -> (Minute -> Field) -> Minute -> Builder
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Minute -> Field
toField

expand :: Minute -> Set.Set Word.Word8
expand :: Minute -> Set Word8
expand = (Word8, Word8) -> Field -> Set Word8
Field.expand (Word8, Word8)
bounds (Field -> Set Word8) -> (Minute -> Field) -> Minute -> Set Word8
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Minute -> Field
toField

isMatch :: Word.Word8 -> Minute -> Bool
isMatch :: Word8 -> Minute -> Bool
isMatch Word8
word8 = Word8 -> Set Word8 -> Bool
forall a. Ord a => a -> Set a -> Bool
Set.member Word8
word8 (Set Word8 -> Bool) -> (Minute -> Set Word8) -> Minute -> Bool
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Minute -> Set Word8
expand