Files
simplex-chat/ChatOptions.hs
2021-04-03 20:39:37 +01:00

80 lines
2.2 KiB
Haskell

{-# LANGUAGE LambdaCase #-}
module ChatOptions (getChatOpts, ChatOpts (..)) where
import qualified Data.Attoparsec.ByteString.Char8 as A
import qualified Data.ByteString.Char8 as B
import Options.Applicative
import Simplex.Messaging.Agent.Transmission (SMPServer (..), smpServerP)
import System.FilePath (combine)
import System.Info (os)
import Types
data ChatOpts = ChatOpts
{ name :: Maybe B.ByteString,
dbFileName :: String,
smpServer :: SMPServer,
termMode :: TermMode
}
chatOpts :: FilePath -> Parser ChatOpts
chatOpts appDir =
ChatOpts
<$> option
(Just <$> str)
( long "name"
<> short 'n'
<> metavar "NAME"
<> help "optional name to use for invitations"
<> value Nothing
)
<*> strOption
( long "database"
<> short 'd'
<> metavar "DB_FILE"
<> help ("sqlite database file path (" <> defaultDbFilePath <> ")")
<> value defaultDbFilePath
)
<*> option
parseSMPServer
( long "server"
<> short 's'
<> metavar "SERVER"
<> help "SMP server to use (smp.simplex.im:5223)"
<> value (SMPServer "smp.simplex.im" (Just "5223") Nothing)
)
<*> option
parseTermMode
( long "term"
<> short 't'
<> metavar "TERM"
<> help ("terminal mode: editor, simple or basic (" <> termModeName deafultTermMode <> ")")
<> value deafultTermMode
)
where
defaultDbFilePath = combine appDir "smp-chat.db"
deafultTermMode
| os == "mingw32" = TermModeBasic
| otherwise = TermModeEditor
parseSMPServer :: ReadM SMPServer
parseSMPServer = eitherReader $ A.parseOnly (smpServerP <* A.endOfInput) . B.pack
parseTermMode :: ReadM TermMode
parseTermMode = maybeReader $ \case
"basic" -> Just TermModeBasic
"simple" -> Just TermModeSimple
"editor" -> Just TermModeEditor
_ -> Nothing
getChatOpts :: FilePath -> IO ChatOpts
getChatOpts appDir = execParser opts
where
opts =
info
(chatOpts appDir <**> helper)
( fullDesc
<> header "Chat prototype using Simplex Messaging Protocol (SMP)"
<> progDesc "Start chat with DB_FILE file and use SERVER as SMP server"
)