{-# LANGUAGE Safe #-}

module Data.Time.LocalTime.Internal.CalendarDiffTime
    (
        -- * Calendar Duration
        module Data.Time.LocalTime.Internal.CalendarDiffTime
    ) where
#if !MIN_VERSION_base(4,11,0)
import Data.Semigroup hiding (option)
#endif
import Data.Fixed
import Data.Typeable
import Data.Data
import Control.DeepSeq
import Data.Time.Calendar.CalendarDiffDays
import Data.Time.Clock.Internal.NominalDiffTime

data CalendarDiffTime = CalendarDiffTime
    { CalendarDiffTime -> Integer
ctMonths :: Integer
    , CalendarDiffTime -> NominalDiffTime
ctTime :: NominalDiffTime
    } deriving (CalendarDiffTime -> CalendarDiffTime -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: CalendarDiffTime -> CalendarDiffTime -> Bool
$c/= :: CalendarDiffTime -> CalendarDiffTime -> Bool
== :: CalendarDiffTime -> CalendarDiffTime -> Bool
$c== :: CalendarDiffTime -> CalendarDiffTime -> Bool
Eq,
    Typeable CalendarDiffTime
CalendarDiffTime -> DataType
CalendarDiffTime -> Constr
(forall b. Data b => b -> b)
-> CalendarDiffTime -> CalendarDiffTime
forall a.
Typeable a
-> (forall (c :: * -> *).
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    Monad m =>
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Int -> (forall d. Data d => d -> u) -> CalendarDiffTime -> u
forall u. (forall d. Data d => d -> u) -> CalendarDiffTime -> [u]
forall r r'.
(r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> CalendarDiffTime -> r
forall r r'.
(r' -> r -> r)
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Monad m =>
(forall d. Data d => d -> m d)
-> CalendarDiffTime -> m CalendarDiffTime
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MonadPlus m =>
(forall d. Data d => d -> m d)
-> CalendarDiffTime -> m CalendarDiffTime
forall (c :: * -> *).
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-> (forall r. r -> c r) -> Constr -> c CalendarDiffTime
forall (c :: * -> *).
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-> (forall g. g -> c g) -> CalendarDiffTime -> c CalendarDiffTime
forall (t :: * -> *) (c :: * -> *).
Typeable t =>
(forall d. Data d => c (t d)) -> Maybe (c CalendarDiffTime)
forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e))
-> Maybe (c CalendarDiffTime)
gmapMo :: forall (m :: * -> *).
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(forall d. Data d => d -> m d)
-> CalendarDiffTime -> m CalendarDiffTime
$cgmapMo :: forall (m :: * -> *).
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(forall d. Data d => d -> m d)
-> CalendarDiffTime -> m CalendarDiffTime
gmapMp :: forall (m :: * -> *).
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(forall d. Data d => d -> m d)
-> CalendarDiffTime -> m CalendarDiffTime
$cgmapMp :: forall (m :: * -> *).
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(forall d. Data d => d -> m d)
-> CalendarDiffTime -> m CalendarDiffTime
gmapM :: forall (m :: * -> *).
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(forall d. Data d => d -> m d)
-> CalendarDiffTime -> m CalendarDiffTime
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(forall d. Data d => d -> m d)
-> CalendarDiffTime -> m CalendarDiffTime
gmapQi :: forall u.
Int -> (forall d. Data d => d -> u) -> CalendarDiffTime -> u
$cgmapQi :: forall u.
Int -> (forall d. Data d => d -> u) -> CalendarDiffTime -> u
gmapQ :: forall u. (forall d. Data d => d -> u) -> CalendarDiffTime -> [u]
$cgmapQ :: forall u. (forall d. Data d => d -> u) -> CalendarDiffTime -> [u]
gmapQr :: forall r r'.
(r' -> r -> r)
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$cgmapQr :: forall r r'.
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gmapQl :: forall r r'.
(r -> r' -> r)
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$cgmapQl :: forall r r'.
(r -> r' -> r)
-> r -> (forall d. Data d => d -> r') -> CalendarDiffTime -> r
gmapT :: (forall b. Data b => b -> b)
-> CalendarDiffTime -> CalendarDiffTime
$cgmapT :: (forall b. Data b => b -> b)
-> CalendarDiffTime -> CalendarDiffTime
dataCast2 :: forall (t :: * -> * -> *) (c :: * -> *).
Typeable t =>
(forall d e. (Data d, Data e) => c (t d e))
-> Maybe (c CalendarDiffTime)
$cdataCast2 :: forall (t :: * -> * -> *) (c :: * -> *).
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(forall d e. (Data d, Data e) => c (t d e))
-> Maybe (c CalendarDiffTime)
dataCast1 :: forall (t :: * -> *) (c :: * -> *).
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(forall d. Data d => c (t d)) -> Maybe (c CalendarDiffTime)
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Typeable t =>
(forall d. Data d => c (t d)) -> Maybe (c CalendarDiffTime)
dataTypeOf :: CalendarDiffTime -> DataType
$cdataTypeOf :: CalendarDiffTime -> DataType
toConstr :: CalendarDiffTime -> Constr
$ctoConstr :: CalendarDiffTime -> Constr
gunfold :: forall (c :: * -> *).
(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c CalendarDiffTime
$cgunfold :: forall (c :: * -> *).
(forall b r. Data b => c (b -> r) -> c r)
-> (forall r. r -> c r) -> Constr -> c CalendarDiffTime
gfoldl :: forall (c :: * -> *).
(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> CalendarDiffTime -> c CalendarDiffTime
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(forall d b. Data d => c (d -> b) -> d -> c b)
-> (forall g. g -> c g) -> CalendarDiffTime -> c CalendarDiffTime
Data
#if __GLASGOW_HASKELL__ >= 802
    -- ^ @since 1.9.2
#endif
    ,Typeable
#if __GLASGOW_HASKELL__ >= 802
    -- ^ @since 1.9.2
#endif
    )

instance NFData CalendarDiffTime where
    rnf :: CalendarDiffTime -> ()
rnf (CalendarDiffTime Integer
m NominalDiffTime
t) = forall a. NFData a => a -> ()
rnf Integer
m seq :: forall a b. a -> b -> b
`seq` forall a. NFData a => a -> ()
rnf NominalDiffTime
t seq :: forall a b. a -> b -> b
`seq` ()

-- | Additive
instance Semigroup CalendarDiffTime where
    CalendarDiffTime Integer
m1 NominalDiffTime
d1 <> :: CalendarDiffTime -> CalendarDiffTime -> CalendarDiffTime
<> CalendarDiffTime Integer
m2 NominalDiffTime
d2 = Integer -> NominalDiffTime -> CalendarDiffTime
CalendarDiffTime (Integer
m1 forall a. Num a => a -> a -> a
+ Integer
m2) (NominalDiffTime
d1 forall a. Num a => a -> a -> a
+ NominalDiffTime
d2)

-- | Additive
instance Monoid CalendarDiffTime where
    mempty :: CalendarDiffTime
mempty = Integer -> NominalDiffTime -> CalendarDiffTime
CalendarDiffTime Integer
0 NominalDiffTime
0
    mappend :: CalendarDiffTime -> CalendarDiffTime -> CalendarDiffTime
mappend = forall a. Semigroup a => a -> a -> a
(<>)

instance Show CalendarDiffTime where
    show :: CalendarDiffTime -> String
show (CalendarDiffTime Integer
m NominalDiffTime
t) = String
"P" forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> String
show Integer
m forall a. [a] -> [a] -> [a]
++ String
"MT" forall a. [a] -> [a] -> [a]
++ forall {k} (a :: k). HasResolution a => Bool -> Fixed a -> String
showFixed Bool
True (forall a b. (Real a, Fractional b) => a -> b
realToFrac NominalDiffTime
t :: Pico) forall a. [a] -> [a] -> [a]
++ String
"S"

calendarTimeDays :: CalendarDiffDays -> CalendarDiffTime
calendarTimeDays :: CalendarDiffDays -> CalendarDiffTime
calendarTimeDays (CalendarDiffDays Integer
m Integer
d) = Integer -> NominalDiffTime -> CalendarDiffTime
CalendarDiffTime Integer
m forall a b. (a -> b) -> a -> b
$ forall a. Num a => Integer -> a
fromInteger Integer
d forall a. Num a => a -> a -> a
* NominalDiffTime
nominalDay

calendarTimeTime :: NominalDiffTime -> CalendarDiffTime
calendarTimeTime :: NominalDiffTime -> CalendarDiffTime
calendarTimeTime NominalDiffTime
dt = Integer -> NominalDiffTime -> CalendarDiffTime
CalendarDiffTime Integer
0 NominalDiffTime
dt

-- | Scale by a factor. Note that @scaleCalendarDiffTime (-1)@ will not perfectly invert a duration, due to variable month lengths.
scaleCalendarDiffTime :: Integer -> CalendarDiffTime -> CalendarDiffTime
scaleCalendarDiffTime :: Integer -> CalendarDiffTime -> CalendarDiffTime
scaleCalendarDiffTime Integer
k (CalendarDiffTime Integer
m NominalDiffTime
d) = Integer -> NominalDiffTime -> CalendarDiffTime
CalendarDiffTime (Integer
k forall a. Num a => a -> a -> a
* Integer
m) (forall a. Num a => Integer -> a
fromInteger Integer
k forall a. Num a => a -> a -> a
* NominalDiffTime
d)