module Main where

import Text.Printf
import System.Environment

import Monitors.Battery (queryBattery)
import Monitors.Date (queryDate)
import Monitors.Net (queryNet)
import Monitors.Volume (queryVolume)

usage :: IO String
usage = printf "%s bat | vol | net | date" <$> getProgName

main :: IO ()
main = do
    args <- getArgs
    output <- case args of
        [ "bat", cmd ] -> queryBattery cmd
        [ "vol", cmd ] -> queryVolume cmd
        [ "net", cmd ] -> queryNet cmd
        [ "date"     ] -> queryDate True
        [ "date-min" ] -> queryDate False
        _              -> usage
    putStrLn output