module Network.Salvia.Handlers.Cookie (
    hSetCookies
  , hGetCookies

  , newCookie
  ) where

import Control.Applicative hiding (empty)
import Control.Monad.State
import Data.Time.Format
import Data.Time.LocalTime
import System.Locale (defaultTimeLocale)

import Network.Salvia.Httpd
import Network.Protocol.Cookie
import Network.Protocol.Http (getCookie, setCookie)

hSetCookies :: Cookies -> Handler ()
hSetCookies = modResponse . setCookie . showCookies

hGetCookies :: Handler (Maybe Cookies)
hGetCookies = parseCookies <$> getCookie <$> gets request

-- Convenient method for creating cookies that expire in the near future and
-- are bound to the domain and port this server runs on. The path will be
-- locked to root.
newCookie :: LocalTime -> Handler Cookie
newCookie expire = do
  httpd <- gets config
  return $ empty {
      path    = Just "/"
--  , domain  = Just $ '.' : hostname httpd
    , port    = [fromEnum $ listenPort httpd]
    , expires = Just $ formatTime defaultTimeLocale "%a, %d %b %Y %H:%M:%S %Z" expire
    }