{-# LANGUAGE OverloadedStrings #-}

import Data.ByteString.Char8 (pack)
import Data.ByteString.Lazy (fromChunks)
import Data.Text ()
import Network.HTTP.Types
import Network.Wai
import Network.Wai.Handler.Warp
import Network.Wai.Middleware.Gzip
import Network.Wai.Middleware.Jsonp

app :: Application
app request = return $ case pathInfo request of
    [] -> responseLBS status200 [] $
        fromChunks $
            flip map [1 .. 10000] $ \i ->
                pack $
                    concat
                        [ "<p>Just this same paragraph again. "
                        , show (i :: Int)
                        , "</p>"
                        ]
    ["test.html"] -> ResponseFile status200 [] "test.html" Nothing
    ["json"] ->
        ResponseFile
            status200
            [(hContentType, "application/json")]
            "json"
            Nothing
    _ -> ResponseFile status404 [] "../LICENSE" Nothing

main :: IO ()
main = run 3000 $ gzip defaultGzipSettings $ jsonp app