module DPut where

import Control.Monad.IO.Class
import Control.Concurrent.STM
import qualified Data.Map.Strict as Map
import System.IO (stderr,hPutStrLn)
import Data.Maybe
import System.IO.Unsafe (unsafePerformIO)
import System.Log.Logger
import qualified Data.ByteString.Char8 as B
import qualified Data.Text as T
import qualified Data.Text.Encoding as T

-- | Debug Tags, add more as needed, but ensure XAnnounce is always first, XMisc last
data DebugTag = XAnnounce | XBitTorrent | XDHT | XLan | XMan | XNetCrypto | XOnion | XRoutes | XPing | XRefresh | XJabber | XMisc
    deriving (Eq,Ord,Show,Read,Enum,Bounded)

appName :: String
appName = "toxmpp"

(<.>) :: String -> String -> String
a <.> b = a ++ "." ++ b

dput :: MonadIO m => DebugTag -> String -> m ()
dput tag msg = liftIO $ debugM (appName <.> show tag) msg

dputB :: MonadIO m => DebugTag -> B.ByteString -> m ()
dputB tag msg = liftIO $ debugM (appName <.> show tag) (T.unpack . T.decodeUtf8 $ msg)

-- | Trace version of 'dput' works in arbitrary monad, using unsafePerformIO.
tput :: Applicative m => DebugTag -> String -> m ()
tput tag msg = (unsafePerformIO $ dput tag msg) `seq` pure ()

-- | like 'trace' but parameterized with 'DebugTag'
dtrace :: DebugTag -> String -> a -> a
dtrace tag msg result = (unsafePerformIO $ dput tag msg) `seq` result

setTagLevel :: Priority -> DebugTag -> IO ()
setTagLevel level tag = updateGlobalLogger (appName <.> show tag) (setLevel level)

setQuiet :: DebugTag -> IO ()
setQuiet = setTagLevel WARNING

setVerbose :: DebugTag -> IO ()
setVerbose = setTagLevel DEBUG

getVerbose tag = do
    logger <- getLogger (appName <.> show tag)
    case getLevel logger of
        Just p | p <= DEBUG -> return True
        _ -> return False