{-# LANGUAGE OverloadedStrings #-}

module Tests.Wai.Util where

import Data.ByteString (ByteString)
import Data.CaseInsensitive (CI)
import Network.Wai
import Network.Wai.Internal
import Network.HTTP.Types

import qualified Data.ByteString.Lazy     as Lazy
import qualified Blaze.ByteString.Builder as Builder

defRequest :: ByteString -> Request
defRequest p = defaultRequest { rawPathInfo = p }

withHeader :: CI ByteString -> ByteString -> Request -> Request
withHeader k v r = r { requestHeaders = (k, v) : requestHeaders r }

withQuery :: ByteString -> ByteString -> Request -> Request
withQuery k v r = r { queryString = (k, Just v) : queryString r }

json :: Request -> Request
json = withHeader "Accept" "application/json"

responseBody :: Response -> Lazy.ByteString
responseBody (ResponseBuilder _ _ b) = Builder.toLazyByteString b
responseBody _                       = ""

writeText :: Lazy.ByteString -> IO Response
writeText = return . responseLBS status200 []