module Cachix.Client.CNix where

import Hercules.CNix.Store (Store, StorePath, isValidPath, storePathToPath)
import Protolude
import System.Console.Pretty (Color (..), color)

filterInvalidStorePaths :: Store -> [StorePath] -> IO [Maybe StorePath]
filterInvalidStorePaths store =
  traverse (filterInvalidStorePath store)

filterInvalidStorePath :: Store -> StorePath -> IO (Maybe StorePath)
filterInvalidStorePath store storePath = do
  isValid <- isValidPath store storePath
  if isValid
    then return $ Just storePath
    else do
      path <- storePathToPath store storePath
      hPutStrLn stderr $ color Yellow $ "Warning: " <> decodeUtf8With lenientDecode path <> " is not valid, skipping"
      return Nothing