{-# LANGUAGE ScopedTypeVariables #-}

module Main where

import           Portrait
import           Types

import           Data.Yaml          (ParseException, decodeFileEither)
import           System.Environment

main :: IO ()
main = do
  [yamlFile] <- getArgs
  (wp :: Either ParseException (Wallpaper Double)) <- decodeFileEither yamlFile
  case wp of
    Left e   -> error (show e)
    Right w  -> wallpaper w

wallpaper :: RealFloat a => Wallpaper a -> IO ()
wallpaper wp = pattern (wpOptions wp)
                       (recipe (wpGroup wp))
                       (wpCoefs wp)
                       (wpType wp)
                       (wpProcess wp)
                       (wpWheel wp)
                       (wpPath wp)