module Data.JLD.Options (
    Document (..),
    ContextCache,
    DocumentCache,
    JLDVersion (..),
    DocumentLoader (..),
    hoistDocumentLoader,
) where

import Data.JLD.Prelude

import Data.Aeson (Object, Value)
import Text.Show (Show (..))
import Text.URI (URI)

data Document = Document
    { documentUri :: URI
    , documentContent :: Object
    }
    deriving (Show, Eq)

type ContextCache = Map Text Value

type DocumentCache = Map Text Document

newtype DocumentLoader e m = DocumentLoader {runDocumentLoader :: URI -> m (Either e Value)}

instance Show (DocumentLoader e m) where
    show _ = "DocumentLoader"

data JLDVersion = JLD1_0 | JLD1_1 deriving (Show, Eq)

hoistDocumentLoader :: (forall a. m a -> n a) -> DocumentLoader e m -> DocumentLoader e n
hoistDocumentLoader map' (DocumentLoader loader) = DocumentLoader <| loader .> map'