-----------------------------------------------------------------------------
-- |
-- Module      :  System.Logger
-- Copyright   :  (c) 2020-2021 EMQ Technologies Co., Ltd.
-- License     :  BSD-style (see the LICENSE file)
--
-- Maintainer  :  Feng Lee, feng@emqx.io
--                Yang M, yangm@emqx.io
-- Stability   :  experimental
-- Portability :  portable
--
-- The System Logger module.
--
-----------------------------------------------------------------------------
module System.Logger
  ( Priority(..)
  , debug
  , info
  , notice
  , warning
  , error
  , alert
  , critical
  , emergency
  , log
  ) where

import Control.Monad (IO)
import Data.Unit (Unit)
import Foreign (ffiIO1, ffiIO2)

data Priority
  = DEBUG
  | INFO
  | NOTICE
  | WARNING
  | ERROR
  | CRITICAL
  | ALERT
  | EMERGENCY

debug :: String -> IO ()
debug = ffiIO1 :logger :debug

{- TODO: debug/2,debug/3 -}

info :: String -> IO ()
info = ffiIO1 :logger :info

{- TODO: info/2,info/3 -}

notice :: String -> IO ()
notice = ffiIO1 :logger :notice

{- TODO: notice/2,notice/3 -}

warning :: String -> IO ()
warning = ffiIO1 :logger :warning

{- TODO: warning/2,warning/3 -}

error :: String -> IO ()
error = ffiIO1 :logger :error

{- TODO error/2,error/3 -}

alert :: String -> IO ()
alert = ffiIO1 :logger :alert

{- TODO: alert/2,alert/3 -}

critical :: String -> IO ()
critical = ffiIO1 :logger :critical

{- TODO: critical/2,critical/3 -}

emergency :: String -> IO ()
emergency = ffiIO1 :logger :emergency

{- TODO: emergency/2,emergency/3 -}

log :: Priority -> String -> IO ()
log = ffiIO2 :logger :log