{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE OverloadedStrings #-}

module Main where

import Data.String (fromString)
import System.Environment (getArgs)
import qualified Network.Wai.Handler.Warp as Warp
import qualified Network.Wai as Wai
import qualified Network.Wai.Application.Static as Static
import Data.Maybe (fromJust)
import Data.FileEmbed (embedDir)
import WaiAppStatic.Types (toPieces)
import Network.Wai.Middleware.Multilingual(rewriteByAcceptLanguage)



main :: IO ()
main = do
  host:port:_ <- getArgs
  Warp.runSettings (
    Warp.setHost (fromString host) $
    Warp.setPort (read port) $
    Warp.defaultSettings
    ) $ (rewriteByAcceptLanguage [
            ([],["en","ja"])
            ,(["index.htm"],["en","ja"])
            ,(["sub","sub.htm"],["en","ja"])
            ]) $ staticHttpApp



staticHttpApp :: Wai.Application
staticHttpApp = Static.staticApp $ settings { Static.ssIndices = indices }
  where
    settings = Static.embeddedSettings $(embedDir "static") -- embed contents as ByteString
    indices = fromJust $ toPieces ["index.htm"] -- default content