{-# LANGUAGE OverloadedStrings #-}
module FeedMonad where

import Data.Tree (Forest)
import Data.Text (Text)
import Data.Entry (URL)
import Middleware (Middleware)
import Numeric.Natural (Natural)
import Data.Foldable (for_)

newtype Minutes = Minutes Natural

data FeedMonad = FeedMonad
  { feeds :: Forest URL
    -- ^ The forest of urls for the feeds. It's a forest because of the categories
  , filters :: Middleware
    -- ^ The middleware. Modifies the scoring, tags and content
  , refreshTime :: Minutes
    -- ^ How often to refresh the feeds
  , secretToken :: Text
    -- ^ Used for authenticating the UI. This is a single user app
    -- served over http, so we can get around with hardcoded
    -- authentication token
  }

defaultConfig :: FeedMonad
defaultConfig = FeedMonad
  { feeds = []
  , filters = id
  , refreshTime = Minutes 30
  , secretToken = "i am a secret"
  }

defaultMain :: FeedMonad -> IO ()
defaultMain f =
  print $ feeds f