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{- Lazymail user configuration
 -
 - Copyright 2013 Raúl Benencia <rul@kalgan.cc>
 -
 - Licensed under the GNU GPL version 3 or higher
 -
 -}

module Lazymail.Config(LazymailConfig(..), defaultConfig, customConfig) where

import Data.List(sort, stripPrefix)
import System.Posix.Files(getSymbolicLinkStatus, isSymbolicLink)
import UI.NCurses(Color(..))

import Lazymail.Keymap
import Lazymail.Types(LazymailConfig(..))

defaultConfig = LazymailConfig {
    baseColor          = (ColorWhite, ColorBlack)
  , selectionColor     = (ColorBlack, ColorWhite)
  , statusBarColor     = (ColorBlack, ColorBlue)
  , headerColor        = (ColorGreen, ColorBlack)
  , newEmailColor      = (ColorBlue, ColorBlack)
  , showStatusBar      = True
  , initialPath        = ""
  , filterMaildirsHook =  \mds -> return mds
  , indexDateFormat    = "%m %d"
  , headersToShow      = ["date", "from", "to", "cc", "bcc", "subject", "reply-to"]
  , globalKeymap       = defaultGlobalKeymap
  , maildirModeKeymap  = defaultMaildirKeymap
  , indexModeKeymap    = defaultIndexKeymap
  , emailModeKeymap    = defaultEmailKeymap
  , composeModeKeymap  = defaultComposeKeymap
  , textEditor         = "editor"
  , sendmailCommand    = ["msmtp", "--read-envelope-from", "-t"]
}

--
-- | Users should modify customConfig in order to set-up their
-- preferences. In a possible future maybe I'll work in a not-so-crappy
-- config system.
--
customConfig = defaultConfig { initialPath = "/home/rul/Mail"
                             , filterMaildirsHook = filterSymlinks }

filterSymlinks :: [FilePath] -> IO [FilePath]
filterSymlinks [] = return []
filterSymlinks (md:mds) = do
  filtered <- do
    fs <- getSymbolicLinkStatus md
    rest <- filterSymlinks mds
    if isSymbolicLink fs
      then return rest
      else return (md:rest)
  return $ sort filtered
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