{-# LANGUAGE OverloadedStrings #-}

module Main where

import Network.Mime(defaultMimeLookup)
import Options
import qualified Data.ByteString.Lazy as LBS
import Data.Digest.Pure.SHA
import System.Log.Heavy
import Speechmatics.Client 
import Network.Mime(MimeType)
import Data.Text(pack, Text)
import           Data.Aeson                  (decode)
import System.Log.Heavy.Backends (defStdoutSettings)
import System.Log.Heavy.Types(LoggingSettings(..))
import Data.Maybe

data MainOptions = MainOptions
    { 
      user_id :: Maybe UserID,
      token :: Maybe String,
      targetFile :: Maybe FilePath
    }


instance Options MainOptions where
    defineOptions = pure MainOptions
        <*> simpleOption "userId" Nothing
            "The user id obtained from speechmatics"
        <*> simpleOption "token" Nothing
            "The bearer token obtained from speechmatics"
        <*> simpleOption "file" Nothing
            "The file to be posted"

main :: IO ()
main = runCommand $ \opts args -> do
  case withBearAndFile <$> user_id opts <*> (Just . pack <$> token opts) <*> targetFile opts of
    Nothing -> print "wrong options, see --help"
    Just compute -> compute

runStdoutLoggingT = withLoggingT $ LoggingSettings defStdoutSettings
withBearAndFile :: UserID -> AuthToken -> FilePath -> IO() 
withBearAndFile userId bearToken file = do 
  -- result <- transcribeFile bearToken file 
  bytes <- LBS.readFile file
  let mime = (defaultMimeLookup "d.mp3")
  print mime
  print . sha256 $ bytes

  let json = fromJust $ decode "{ \"type\": \"transcription\", \"transcription_config\": { \"language\": \"en-AU\", \"diarization\": \"channel\", \"channel_diarization_labels\": [\"Agent\", \"Caller\"] } }"
  result <- runStdoutLoggingT $ transcribeBytes (ByteConfig (Location JsonV2 "https://api.speechmatics.com/v1.0/user/" userId bearToken) 
      -- "{ \"type\": \"transcription\", \"transcription_config\": { \"language\": \"en-AU\", \"diarization\": \"channel\", \"channel_diarization_labels\": [\"Agent\", \"Caller\"] } }") 
      json) 
      (LoadedFile bytes file mime)
  putStrLn . show $ result