-- 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.Volume.GA.Rules
  ( rules ) where

import Data.String
import Data.Text (Text)
import Prelude

import Duckling.Dimensions.Types
import Duckling.Types
import Duckling.Regex.Types
import Duckling.Volume.Helpers
import Duckling.Numeral.Helpers (isPositive)
import qualified Duckling.Volume.Types as TVolume
import qualified Duckling.Numeral.Types as TNumeral

volumes :: [(Text, String, TVolume.Unit)]
volumes :: [(Text, String, Unit)]
volumes = [ (Text
"<latent vol> ml", String
"m(l\\.?|h?illil(í|i)t(ea|i)r)"
            , Unit
TVolume.Millilitre)
          , (Text
"<vol> hectoliters" , String
"heictil(í|i)t(ea|i)r"
            , Unit
TVolume.Hectolitre)
          , (Text
"<vol> liters", String
"(l(í|i)t(ea|i)r|l\\.?)"
            , Unit
TVolume.Litre)
          , (Text
"<latent vol> gallon", String
"n?gh?al(ú|u)i?n"
            , Unit
TVolume.Gallon)
          ]

rulesVolumes :: [Rule]
rulesVolumes :: [Rule]
rulesVolumes = ((Text, String, Unit) -> Rule) -> [(Text, String, Unit)] -> [Rule]
forall a b. (a -> b) -> [a] -> [b]
map (Text, String, Unit) -> Rule
go [(Text, String, Unit)]
volumes
  where
    go :: (Text, String, TVolume.Unit) -> Rule
    go :: (Text, String, Unit) -> Rule
go (Text
name, String
regexPattern, Unit
u) = Rule :: Text -> Pattern -> Production -> Rule
Rule
      { name :: Text
name = Text
name
      , pattern :: Pattern
pattern =
        [ String -> PatternItem
regex String
regexPattern
        ]
      , prod :: Production
prod = \[Token]
_ -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token)
-> (VolumeData -> Token) -> VolumeData -> Maybe Token
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Dimension VolumeData -> VolumeData -> Token
forall a.
(Resolve a, Eq a, Hashable a, Show a, NFData a) =>
Dimension a -> a -> Token
Token Dimension VolumeData
Volume (VolumeData -> Maybe Token) -> VolumeData -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Unit -> VolumeData
unitOnly Unit
u
      }

ruleKiloliter :: Rule
ruleKiloliter :: Rule
ruleKiloliter = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"kiloliter"
  , pattern :: Pattern
pattern =
    [ Predicate -> PatternItem
Predicate Predicate
isPositive
    , String -> PatternItem
regex String
"(kl\\.?|g?ch?illil(í|i)t(ea|i)r)"
    ]
  , prod :: Production
prod = \case
    (Token Dimension a
Numeral TNumeral.NumeralData{TNumeral.value = v}:
     Token
_:[Token]
_) ->
      Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token)
-> (VolumeData -> Token) -> VolumeData -> Maybe Token
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Dimension VolumeData -> VolumeData -> Token
forall a.
(Resolve a, Eq a, Hashable a, Show a, NFData a) =>
Dimension a -> a -> Token
Token Dimension VolumeData
Volume (VolumeData -> Token)
-> (VolumeData -> VolumeData) -> VolumeData -> Token
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Unit -> VolumeData -> VolumeData
withUnit Unit
TVolume.Hectolitre (VolumeData -> Maybe Token) -> VolumeData -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Double -> VolumeData
valueOnly (Double
10.0 Double -> Double -> Double
forall a. Num a => a -> a -> a
* Double
v)
    [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

rules :: [Rule]
rules :: [Rule]
rules = [ Rule
ruleKiloliter
        ]
        [Rule] -> [Rule] -> [Rule]
forall a. [a] -> [a] -> [a]
++ [Rule]
rulesVolumes