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path: root/tprint/src/Main.hs
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{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE ViewPatterns #-}

import Data.Map (Map)
import qualified Data.Map as Map
import Data.Sequence (Seq)
import qualified Data.Sequence as Seq
import Data.Text (Text)
import qualified Data.Text as T
import qualified Data.ByteString.Lazy.Char8 as Lazy (ByteString)
import qualified Data.ByteString.Lazy.Char8 as LCBS

import Control.Monad

import Control.Monad

import Text.Show.Pretty (dumpStr)
import Data.Aeson.Encode.Pretty (encodePretty)

import System.IO

import Thermoprint.Client
import Options

import Debug.Trace

main :: IO ()
main = withArgs (main' <=< dumpOpts)
  where
    dumpOpts c@(TPrint{..}) = c <$ when (dumpOptions) (hPutStrLn stderr $ dumpStr c)
    main' config@(TPrint{..}) = withOutput config $ tprint config (mkClient' baseUrl)

withOutput :: TPrint -> (Handle -> IO a) -> IO a
withOutput TPrint{..} a
  | (_, WriteFile f) <- output = withFile f WriteMode a
  | otherwise = a stdout

tprint :: TPrint -> Client IO -> Handle -> IO ()
tprint TPrint{ operation = Printers, ..} Client{..} out = printers >>= format
  where format ps
          | (Human, _) <- output = mapM_ (\(PrinterId n, st) -> hPutStrLn out $ show n ++ "\t" ++ humanStatus st) $ Map.toAscList ps
          | (JSON , _) <- output = LCBS.hPutStrLn out $ encodePretty ps
          | otherwise            = hPutStrLn out . dumpStr $ Map.toAscList ps
        humanStatus (Busy (JobId n)) = "busy printing job #" ++ show n
        humanStatus (Available)      = "available"
tprint _ _ _ = undefined