-- 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.ID.Rules
  ( rules ) where

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

ruleOrdinals :: Rule
ruleOrdinals :: Rule
ruleOrdinals = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"ordinals"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(pertama|kedua|ketiga|keempat|kelima|keenam|ketujuh|kedelapan|kesembilan|kesepuluh)"
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
RegexMatch (GroupMatch (match:_)):[Token]
_) -> case Text -> Text
Text.toLower Text
match of
        Text
"pertama" -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token) -> Token -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Int -> Token
ordinal Int
1
        Text
"kedua" -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token) -> Token -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Int -> Token
ordinal Int
2
        Text
"ketiga" -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token) -> Token -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Int -> Token
ordinal Int
3
        Text
"keempat" -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token) -> Token -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Int -> Token
ordinal Int
4
        Text
"kelima" -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token) -> Token -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Int -> Token
ordinal Int
5
        Text
"keenam" -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token) -> Token -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Int -> Token
ordinal Int
6
        Text
"ketujuh" -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token) -> Token -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Int -> Token
ordinal Int
7
        Text
"kedelapan" -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token) -> Token -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Int -> Token
ordinal Int
8
        Text
"kesembilan" -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token) -> Token -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Int -> Token
ordinal Int
9
        Text
"kesepuluh" -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token) -> Token -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Int -> Token
ordinal Int
10
        Text
_ -> Maybe Token
forall a. Maybe a
Nothing
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

ruleOrdinalsDigits :: Rule
ruleOrdinalsDigits :: Rule
ruleOrdinalsDigits = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"ordinals (digits)"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"ke-0*(\\d+)"
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
RegexMatch (GroupMatch (match:_)):[Token]
_) -> Int -> Token
ordinal (Int -> Token) -> Maybe Int -> Maybe Token
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Text -> Maybe Int
parseInt Text
match
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

rules :: [Rule]
rules :: [Rule]
rules =
  [ Rule
ruleOrdinals
  , Rule
ruleOrdinalsDigits
  ]