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 OverloadedStrings #-}
  
  module Duckling.TimeGrain.NL.Rules
    ( rules ) where
  
  import Data.Text (Text)
  import Data.String
  import Prelude
  
  import Duckling.Dimensions.Types
  import Duckling.Types
  import qualified Duckling.TimeGrain.Types as TG
  
  grains :: [(Text, String, TG.Grain)]
  grains = [ ("second (grain) " , "(seconde(n|s)?|sec|s)" , TG.Second)
           , ("minute (grain)"  , "(minuut|minuten|min|m)", TG.Minute)
           , ("hour (grain)"    , "(uur|uren|u|h)",         TG.Hour)
           , ("day (grain)"     , "dagen|dag|d",            TG.Day)
           , ("week (grain)"    , "(weken|week|w)",         TG.Week)
           , ("month (grain)"   , "(maanden|maand|mnd)",    TG.Month)
           , ("quarter (grain)" , "(kwartaal|kwartalen)",   TG.Quarter)
           , ("year (grain)"    , "(jaren|jaar|j)",         TG.Year)
           ]
  
  rules :: [Rule]
  rules = map go grains
    where
      go (name, regexPattern, grain) = Rule
        { name = name
        , pattern = [regex regexPattern]
        , prod = \_ -> Just $ Token TimeGrain grain
        }
  