content: -- Copyright (c) 2016-present, Facebook, Inc.
  -- All rights reserved.
  --
  -- This source code is licensed under the BSD-style license found in the
  -- LICENSE file in the root directory of this source tree.
  
  
  {-# LANGUAGE GADTs #-}
  {-# LANGUAGE OverloadedStrings #-}
  
  module Duckling.TimeGrain.DA.Rules
    ( rules ) where
  
  import Data.Text (Text)
  import Prelude
  import Data.String
  
  import Duckling.Dimensions.Types
  import qualified Duckling.TimeGrain.Types as TG
  import Duckling.Types
  
  grains :: [(Text, String, TG.Grain)]
  grains = [ ("second (grain)", "sekund(er)?", TG.Second)
           , ("minute (grain)", "minut(ter)?", TG.Minute)
           , ("hour (grain)", "t(imer?)?", TG.Hour)
           , ("day (grain)", "dag(e)?", TG.Day)
           , ("week (grain)", "uger?", TG.Week)
           , ("month (grain)", "måned(er)?", TG.Month)
           , ("quarter (grain)", "kvartal(er)?", TG.Quarter)
           , ("year (grain)", "år", TG.Year)
           ]
  
  rules :: [Rule]
  rules = map go grains
    where
      go (name, regexPattern, grain) = Rule
        { name = name
        , pattern = [regex regexPattern]
        , prod = \_ -> Just $ Token TimeGrain grain
        }
  