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 LambdaCase #-}
  {-# LANGUAGE OverloadedStrings #-}
  
  module Duckling.Distance.RO.Rules
    ( rules
    ) where
  
  import Data.HashMap.Strict (HashMap)
  import Data.String
  import Data.Text (Text)
  import Prelude
  import qualified Data.HashMap.Strict as HashMap
  import qualified Data.Text as Text
  
  import Duckling.Dimensions.Types
  import Duckling.Distance.Helpers
  import Duckling.Regex.Types
  import Duckling.Types
  import qualified Duckling.Distance.Types as TDistance
  
  unitMap :: HashMap Text TDistance.Unit
  unitMap = HashMap.fromList
    [ ( "cm", TDistance.Centimetre )
    , ( "centimetri", TDistance.Centimetre )
    , ( "centimetru", TDistance.Centimetre )
    , ( "picior", TDistance.Foot )
    , ( "picioare", TDistance.Foot )
    , ( "inch", TDistance.Inch )
    , ( "inchi", TDistance.Inch )
    , ( "inci", TDistance.Inch )
    , ( "km", TDistance.Kilometre )
    , ( "kilometri", TDistance.Kilometre )
    , ( "kilometru", TDistance.Kilometre )
    , ( "m", TDistance.Metre )
    , ( "metri", TDistance.Metre )
    , ( "metru", TDistance.Metre )
    , ( "mila", TDistance.Mile )
    , ( "milă", TDistance.Mile )
    , ( "mile", TDistance.Mile )
    , ( "y", TDistance.Yard )
    , ( "yar", TDistance.Yard )
    , ( "yard", TDistance.Yard )
    , ( "yarzi", TDistance.Yard )
    , ( "yd", TDistance.Yard )
    , ( "yzi", TDistance.Yard )
    ]
  
  ruleLatentDistUnit :: Rule
  ruleLatentDistUnit = Rule
    { name = "<latent dist> foot/inch/yard/meter/kilometer/centimeter"
    , pattern =
      [ dimension Distance
      , regex "(inc(hi?|i)|(centi|kilo)?metr[iu]|mil[eaă]|[ck]?m|picio(are|r)|y(ar)?(zi|d)?)"
      ]
    , prod = \case
        (Token Distance dd:
         Token RegexMatch (GroupMatch (match:_)):
         _) -> do
           x <- HashMap.lookup (Text.toLower match) unitMap
           Just . Token Distance $ withUnit x dd
        _ -> Nothing
    }
  
  ruleLatentDistDeUnit :: Rule
  ruleLatentDistDeUnit = Rule
    { name = "<latent dist> foot/inch/yard/meter/kilometer/centimeter"
    , pattern =
      [ dimension Distance
      , regex "de (inc(hi?|i)|(centi|kilo)?metr[iu]|mil[eaă]|[ck]?m|picio(are|r)|y(ar)?(zi|d)?)"
      ]
    , prod = \case
        (Token Distance dd:
         Token RegexMatch (GroupMatch (match:_)):
         _) -> do
           x <- HashMap.lookup (Text.toLower match) unitMap
           Just . Token Distance $ withUnit x dd
        _ -> Nothing
    }
  
  rules :: [Rule]
  rules =
    [ ruleLatentDistUnit
    , ruleLatentDistDeUnit
    ]
  