src/Main.hs


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{-# LANGUAGE OverloadedStrings #-}

module Main
  ( main
  ) where

import qualified Data.Text.IO as T

import Exit (exitWithParsingError)
import Notification (notifyTodayAndNextWeek)

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, _) -> exitWithParsingError Path.birthdate err
    (_, Left err) -> exitWithParsingError Path.config err
    (Right birthdates, Right config) -> notifyTodayAndNextWeek birthdates config