{-# LANGUAGE OverloadedStrings #-}

import qualified Aws
import qualified Aws.Core as Aws
import qualified Aws.S3 as S3
import           Control.Monad.Trans.Resource
import           Data.Conduit ((.|), runConduit)
import           Data.Conduit.Binary (sinkFile)
import           Network.HTTP.Conduit (newManager, tlsManagerSettings, responseBody)

main :: IO ()
main = do
  Just creds <- Aws.loadCredentialsFromEnv
  let cfg = Aws.Configuration Aws.Timestamp creds (Aws.defaultLog Aws.Debug) Nothing
  let s3cfg = S3.s3 Aws.HTTP "storage.googleapis.com" False
  {- Set up a ResourceT region with an available HTTP manager. -}
  mgr <- newManager tlsManagerSettings
  runResourceT $ do
    {- Create a request object with S3.getObject and run the request with pureAws. -}
    S3.GetObjectResponse { S3.gorResponse = rsp } <-
      Aws.pureAws cfg s3cfg mgr $
        {- Public bucket from GCP examples -}
        S3.getObject "uspto-pair" "applications/05900016.zip"

    {- Save the response to a file. -}
    runConduit $ responseBody rsp .| sinkFile "getobject-test.zip"