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.Ordinal.TR.Rules
    ( rules ) where
  
  import Data.HashMap.Strict (HashMap)
  import qualified Data.HashMap.Strict as HashMap
  import Data.Text (Text)
  import qualified Data.Text as Text
  import Prelude
  import Data.String
  
  import Duckling.Dimensions.Types
  import Duckling.Numeral.Helpers (parseInt)
  import Duckling.Ordinal.Helpers
  import Duckling.Regex.Types
  import Duckling.Types
  
  ordinals :: [Text]
  ordinals =
    [ "birinci"
    , "ikinci"
    , "üçüncü"
    , "dördüncü"
    , "beşinci"
    , "altıncı"
    , "yedinci"
    , "sekizinci"
    , "dokuzuncu"
    , "onuncu"
    , "on birinci"
    , "on ikinci"
    , "on üçüncü"
    , "on dördüncü"
    , "on beşinci"
    , "on altıncı"
    , "on yedinci"
    , "on sekizinci"
    , "on dokuzuncu"
    , "yirminci"
    , "yirmi birinci"
    , "yirmi ikinci"
    , "yirmi üçüncü"
    , "yirmi dördüncü"
    , "yirmi beşinci"
    , "yirmi altıncı"
    , "yirmi yedinci"
    , "yirmi sekizinci"
    , "yirmi dokuzuncu"
    , "otuzuncu"
    , "otuz birinci"
    ]
  
  ordinalsHashMap :: HashMap Text Int
  ordinalsHashMap = HashMap.fromList $ zip ordinals [1..]
  
  ruleOrdinalsFirstst :: Rule
  ruleOrdinalsFirstst = Rule
    { name = "ordinals (first..31st)"
    , pattern =
      [ regex . Text.unpack $
          Text.concat [ "(", Text.intercalate "|" ordinals, ")" ]
      ]
    , prod = \tokens -> case tokens of
        (Token RegexMatch (GroupMatch (match:_)):_) ->
          ordinal <$> HashMap.lookup (Text.toLower match) ordinalsHashMap
        _ -> Nothing
    }
  
  ruleOrdinalDigits :: Rule
  ruleOrdinalDigits = Rule
    { name = "ordinal (digits)"
    , pattern =
      [ regex "0*(\\d+) ?('?)(inci|nci|ıncı|ncı|uncu|ncu|üncü|ncü|.)"
      ]
    , prod = \tokens -> case tokens of
        (Token RegexMatch (GroupMatch (match:_)):_) ->
          ordinal <$> parseInt match
        _ -> Nothing
    }
  
  rules :: [Rule]
  rules =
    [ ruleOrdinalDigits
    , ruleOrdinalsFirstst
    ]
  