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{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
module Reaktor.Internal where
import Prelude.Extended
import Blessings
import Data.Aeson
import Data.Aeson.Types (typeMismatch)
import Data.String.Conversions (convertString)
import qualified Data.Text as T
import Network.Socket as Exports (HostName,ServiceName)
import Reaktor.IRC
import System.IO
data Actions = Actions
{ aIsSecure :: Bool
, aSend :: Message -> IO ()
, aLog :: Blessings Text -> IO ()
, aSetNick :: Text -> IO ()
, aGetNick :: IO Text
}
data Config = Config
{ cUseTLS :: Bool
, cHostName :: HostName
, cServiceName :: ServiceName
, cNick :: Maybe Text
, cLogHandle :: Handle
, cLogTime :: Bool
, cSendDelay :: Maybe Int
}
deriving Show
instance Default Config where
def = Config False "irc.r" "6667" Nothing stderr True Nothing
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
cSendDelay <- fmap (round . (*(1e6 :: Float))) <$> v .:? "sendDelaySec"
pure Config{..}
invalid -> typeMismatch "Config" invalid
where
tlsPort :: ServiceName
tlsPort = "6697"
data Message = Message (Maybe Text) Command [Text] | Start
deriving Show
instance FromJSON Message where
parseJSON = \case
Object v -> do
mb_prefix <- v .:? "prefix"
cmd <- v .: "command"
params <- v .: "params"
pure (Message mb_prefix cmd params)
invalid -> typeMismatch "Message" invalid
formatMessage :: Message -> Text
formatMessage = \case
Message mb_prefix cmd params ->
maybe "" ((":"<>) . (<>" ")) mb_prefix
<> convertString cmd
<> T.concat (map (" "<>) (init params))
<> if null params then "" else " :" <> last params
<> "\r\n"
x -> error ("cannot format " <> show x)
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