{-# LANGUAGE OverloadedStrings #-}

module Main
  ( main
  ) where

import qualified Data.Text.IO as T

import qualified RenderError
import qualified Notification

import Model.Config
import Model.BirthdateParser (parseBirthdates)
import qualified Model.Path as Path

main :: IO ()
main = do
  eitherBirthdates <- parseBirthdates <$> T.readFile Path.birthdate
  eitherConfig <- getConfig Path.config
  case (eitherBirthdates, eitherConfig) of
    (Left err, _) ->
      RenderError.birthdate err
    (_, Left err) ->
      RenderError.config err
    (Right birthdates, Right config) -> do
      Notification.todayAndNextWeek birthdates config