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.AR.Rules
    ( rules
    ) where
  
  import Data.String
  import Data.Text (Text)
  import Prelude
  
  import Duckling.Dimensions.Types
  import Duckling.Types
  import qualified Duckling.TimeGrain.Types as TG
  
  grains :: [(Text, String, TG.Grain)]
  grains = [ ("second (grain) ", "(ثاني(ة|ه)?|ثواني|لحظ(ة|ه|ات))"   , TG.Second)
           , ("minute (grain)" , "دق(يق(ة|ه)|ائق)"                  , TG.Minute)
           , ("hour (grain)"   , "ساع(ة|ه|ات)"                      , TG.Hour)
           , ("day (grain)"    , "يوم|(ا|أ)يام"                     , TG.Day)
           , ("week (grain)"   , "(ا|أ|إ)س(بوع|ابيع)"               , TG.Week)
           , ("month (grain)"  , "شهر|(ا|أ|إ)شهر"                   , TG.Month)
           , ("quarter (grain)", "(ربع(ين|ان)|[أا]رباع)(سنة|عام)?"  , TG.Quarter)
           , ("year (grain)"   , "سن(ة|ين)|عام"                     , TG.Year)
           ]
  
  rules :: [Rule]
  rules = map go grains
    where
      go (name, regexPattern, grain) = Rule
        { name = name
        , pattern = [regex regexPattern]
        , prod = \_ -> Just $ Token TimeGrain grain
        }
  