-- | Lazy version of "Data.TypedEncoding.Conv.Text"
-- @since 0.2.2.0
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE PolyKinds #-} -- removes need to annotate kinds as [Symbol]
{-# LANGUAGE FlexibleContexts #-}

module Data.TypedEncoding.Conv.Text.Lazy where

import qualified Data.Text.Lazy as TL
import qualified Data.TypedEncoding.Common.Util.TypeLits as Knds
import           Data.TypedEncoding.Instances.Support

pack :: (
          Knds.UnSnoc xs ~ '(,) ys y
         , Superset "r-UNICODE.D76" y 
         , encs ~ RemoveRs ys
         , AllEncodeInto "r-UNICODE.D76" encs
        ) => Enc xs c String -> Enc xs c TL.Text
pack = unsafeChangePayload TL.pack

-- | simplified version of @pack@ that works on single /r-/ encodings
-- @since 0.5.2.0
pack1 :: (
         Superset "r-UNICODE.D76" y 
         ) => Enc '[y] c String -> Enc '[y] c TL.Text
pack1 = pack

unpack :: Enc xs c TL.Text -> Enc xs c String
unpack = unsafeChangePayload TL.unpack    

-- | simplified version of @unpack@ that works on single /r-/ encodings
-- @since 0.5.2.0
unpack1 :: (
         Superset "r-UNICODE.D76" y 
         ) => Enc '[y] c TL.Text -> Enc '[y] c String
unpack1 = unpack

-- | Text is automatically @"r-UTF8"@ encoded
utf8Promote :: Enc xs c TL.Text -> Enc (Snoc xs "r-UTF8") c TL.Text
utf8Promote = withUnsafeCoerce id

-- | For 'T.Text' @"r-UTF8"@ is redundant
utf8Demote :: (UnSnoc xs ~ '(,) ys "r-UTF8") => Enc xs c TL.Text -> Enc ys c TL.Text
utf8Demote = withUnsafeCoerce id