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{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
module Reaktor.Internal where
import Prelude.Extended
import Blessings
import Data.Aeson
import Network.Socket as Exports (HostName,ServiceName)
import qualified Data.ByteString.Char8.Extended as BS
import System.IO
data Actions = Actions
{ aIsSecure :: Bool
, aSend :: Message -> IO ()
, aLog :: Blessings ByteString -> IO ()
, aSetNick :: ByteString -> IO ()
, aGetNick :: IO ByteString
}
data Config = Config
{ cUseTLS :: Bool
, cHostName :: HostName
, cServiceName :: ServiceName
, cNick :: Maybe ByteString
, cLogHandle :: Handle
, cLogTime :: Bool
}
instance Default Config where
def = Config False "irc.r" "6667" Nothing stderr True
instance FromJSON Config where
parseJSON = \case
Object v -> do
cServiceName <- v .:? "port" .!= cServiceName def
cUseTLS <- v .:? "useTLS" .!= (cServiceName == tlsPort)
cHostName <- v .:? "hostname" .!= cHostName def
cNick <- v .:? "nick"
cLogHandle <- pure (cLogHandle def)
cLogTime <- v .:? "logTime" .!= cLogTime def
pure Config{..}
_ -> undefined
where
tlsPort :: ServiceName
tlsPort = "6697"
data Message = Message (Maybe ByteString) ByteString [ByteString] | Start
deriving Show
formatMessage :: Message -> ByteString
formatMessage = \case
Message mb_prefix cmd params ->
maybe "" ((":"<>) . (<>" ")) mb_prefix
<> cmd
<> BS.concat (map (" "<>) (init params))
<> if null params then "" else " :" <> last params
<> "\r\n"
x -> error ("cannot format " <> show x)
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