-- 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 NoRebindableSyntax #-}
{-# LANGUAGE OverloadedStrings #-}

module Duckling.Numeral.NL.Rules
  ( rules
  ) where

import Data.HashMap.Strict (HashMap)
import Data.Maybe
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.Numeral.Helpers
import Duckling.Numeral.Types (NumeralData (..))
import Duckling.Regex.Types
import Duckling.Types
import qualified Duckling.Numeral.Types as TNumeral

ruleNumeralsPrefixWithNegativeOrMinus :: Rule
ruleNumeralsPrefixWithNegativeOrMinus :: Rule
ruleNumeralsPrefixWithNegativeOrMinus = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"numbers prefix with -, negative or minus"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"-|min|minus|negatief"
    , Predicate -> PatternItem
Predicate Predicate
isPositive
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token
_:Token Dimension a
Numeral a
nd:[Token]
_) -> Double -> Maybe Token
double (NumeralData -> Double
TNumeral.value a
NumeralData
nd Double -> Double -> Double
forall a. Num a => a -> a -> a
* (-Double
1))
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

ruleFew :: Rule
ruleFew :: Rule
ruleFew = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"few"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"meerdere"
    ]
  , prod :: Production
prod = \[Token]
_ -> Integer -> Maybe Token
integer Integer
3
  }

ruleTen :: Rule
ruleTen :: Rule
ruleTen = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"ten"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"tien"
    ]
  , prod :: Production
prod = \[Token]
_ -> Integer -> Maybe Token
integer Integer
10 Maybe Token -> (Token -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Int -> Token -> Maybe Token
withGrain Int
1
  }

ruleDecimalWithThousandsSeparator :: Rule
ruleDecimalWithThousandsSeparator :: Rule
ruleDecimalWithThousandsSeparator = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"decimal with thousands separator"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(\\d+(\\.\\d\\d\\d)+(,\\d+)?)"
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
RegexMatch (GroupMatch (match:_)):
       [Token]
_) -> let fmt :: Text
fmt = Text -> Text -> Text -> Text
Text.replace Text
"," Text
"." (Text -> Text) -> Text -> Text
forall a b. (a -> b) -> a -> b
$ Text -> Text -> Text -> Text
Text.replace Text
"." Text
Text.empty Text
match
        in Text -> Maybe Double
parseDouble Text
fmt Maybe Double -> (Double -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Double -> Maybe Token
double
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

ruleDecimalNumeral :: Rule
ruleDecimalNumeral :: Rule
ruleDecimalNumeral = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"decimal number"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(\\d*,\\d+)"
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
RegexMatch (GroupMatch (match:_)):
       [Token]
_) -> Bool -> Text -> Maybe Token
parseDecimal Bool
False Text
match
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

-- TODO: Single-word composition (#110)
ruleInteger3 :: Rule
ruleInteger3 :: Rule
ruleInteger3 = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"integer ([2-9][1-9])"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(een|twee|drie|vier|vijf|zes|zeven|acht|negen)(?:e|ë)n(twintig|dertig|veertig|vijftig|zestig|zeventig|tachtig|negentig)"
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
RegexMatch (GroupMatch (m1:m2:_)):[Token]
_) -> do
        Integer
v1 <- Text -> HashMap Text Integer -> Maybe Integer
forall k v. (Eq k, Hashable k) => k -> HashMap k v -> Maybe v
HashMap.lookup (Text -> Text
Text.toLower Text
m1) HashMap Text Integer
zeroNineteenMap
        Integer
v2 <- Text -> HashMap Text Integer -> Maybe Integer
forall k v. (Eq k, Hashable k) => k -> HashMap k v -> Maybe v
HashMap.lookup (Text -> Text
Text.toLower Text
m2) HashMap Text Integer
dozenMap
        Integer -> Maybe Token
integer (Integer -> Maybe Token) -> Integer -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Integer
v1 Integer -> Integer -> Integer
forall a. Num a => a -> a -> a
+ Integer
v2
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

ruleMultiply :: Rule
ruleMultiply :: Rule
ruleMultiply = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"compose by multiplication"
  , pattern :: Pattern
pattern =
    [ Dimension NumeralData -> PatternItem
forall a. Typeable a => Dimension a -> PatternItem
dimension Dimension NumeralData
Numeral
    , Predicate -> PatternItem
Predicate Predicate
isMultipliable
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token
token1:Token
token2:[Token]
_) -> Token -> Token -> Maybe Token
multiply Token
token1 Token
token2
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

ruleIntersect :: Rule
ruleIntersect :: Rule
ruleIntersect = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"intersect"
  , pattern :: Pattern
pattern =
    [ Predicate -> PatternItem
Predicate Predicate
hasGrain
    , Predicate -> PatternItem
Predicate (Predicate -> PatternItem) -> Predicate -> PatternItem
forall a b. (a -> b) -> a -> b
$ [Bool] -> Bool
forall (t :: * -> *). Foldable t => t Bool -> Bool
and ([Bool] -> Bool) -> (Token -> [Bool]) -> Predicate
forall b c a. (b -> c) -> (a -> b) -> a -> c
. [Predicate] -> Token -> [Bool]
forall (t :: * -> *) (m :: * -> *) a.
(Traversable t, Monad m) =>
t (m a) -> m (t a)
sequence [Bool -> Bool
not (Bool -> Bool) -> Predicate -> Predicate
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Predicate
isMultipliable, Predicate
isPositive]
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
Numeral NumeralData{TNumeral.value = val1, TNumeral.grain = Just g}:
       Token Dimension a
Numeral NumeralData{TNumeral.value = val2}:
       [Token]
_) | (Double
10 Double -> Double -> Double
forall a. Floating a => a -> a -> a
** Int -> Double
forall a b. (Integral a, Num b) => a -> b
fromIntegral Int
g) Double -> Double -> Bool
forall a. Ord a => a -> a -> Bool
> Double
val2 -> Double -> Maybe Token
double (Double -> Maybe Token) -> Double -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Double
val1 Double -> Double -> Double
forall a. Num a => a -> a -> a
+ Double
val2
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

ruleNumeralsSuffixesKMG :: Rule
ruleNumeralsSuffixesKMG :: Rule
ruleNumeralsSuffixesKMG = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"numbers suffixes (K, M, G)"
  , pattern :: Pattern
pattern =
    [ Dimension NumeralData -> PatternItem
forall a. Typeable a => Dimension a -> PatternItem
dimension Dimension NumeralData
Numeral
    , String -> PatternItem
regex String
"([kmg])(?=[\\W\\$€]|$)"
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
Numeral NumeralData{TNumeral.value = v}:
       Token Dimension a
RegexMatch (GroupMatch (match:_)):
       [Token]
_) -> case Text -> Text
Text.toLower Text
match of
         Text
"k" -> Double -> Maybe Token
double (Double -> Maybe Token) -> Double -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Double
v Double -> Double -> Double
forall a. Num a => a -> a -> a
* Double
1e3
         Text
"m" -> Double -> Maybe Token
double (Double -> Maybe Token) -> Double -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Double
v Double -> Double -> Double
forall a. Num a => a -> a -> a
* Double
1e6
         Text
"g" -> Double -> Maybe Token
double (Double -> Maybe Token) -> Double -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Double
v Double -> Double -> Double
forall a. Num a => a -> a -> a
* Double
1e9
         Text
_ -> Maybe Token
forall a. Maybe a
Nothing
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

ruleNumeralsEn :: Rule
ruleNumeralsEn :: Rule
ruleNumeralsEn = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"numbers en"
  , pattern :: Pattern
pattern =
    [ Double -> Double -> PatternItem
numberBetween Double
1 Double
10
    , String -> PatternItem
regex String
"-?en-?"
    , [Double] -> PatternItem
oneOf [Double
20, Double
30 .. Double
90]
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
Numeral NumeralData{TNumeral.value = v1}:
       Token
_:
       Token Dimension a
Numeral NumeralData{TNumeral.value = v2}:
       [Token]
_) -> Double -> Maybe Token
double (Double -> Maybe Token) -> Double -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Double
v1 Double -> Double -> Double
forall a. Num a => a -> a -> a
+ Double
v2
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

rulePowersOfTen :: Rule
rulePowersOfTen :: Rule
rulePowersOfTen = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"powers of tens"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(honderd|duizend|miljoen)"
    ]
  , 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
"honderd" -> Double -> Maybe Token
double Double
1e2 Maybe Token -> (Token -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Int -> Token -> Maybe Token
withGrain Int
2 Maybe Token -> (Token -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Token -> Maybe Token
withMultipliable
        Text
"duizend" -> Double -> Maybe Token
double Double
1e3 Maybe Token -> (Token -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Int -> Token -> Maybe Token
withGrain Int
3 Maybe Token -> (Token -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Token -> Maybe Token
withMultipliable
        Text
"miljoen" -> Double -> Maybe Token
double Double
1e6 Maybe Token -> (Token -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Int -> Token -> Maybe Token
withGrain Int
6 Maybe Token -> (Token -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Token -> Maybe Token
withMultipliable
        Text
_         -> Maybe Token
forall a. Maybe a
Nothing
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

ruleCouple :: Rule
ruleCouple :: Rule
ruleCouple = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"couple"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(een )?paar"
    ]
  , prod :: Production
prod = \[Token]
_ -> Integer -> Maybe Token
integer Integer
2
  }

ruleDozen :: Rule
ruleDozen :: Rule
ruleDozen = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"dozen"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"dozijn"
    ]
  , prod :: Production
prod = \[Token]
_ -> Integer -> Maybe Token
integer Integer
12 Maybe Token -> (Token -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Int -> Token -> Maybe Token
withGrain Int
1
  }

ruleGross :: Rule
ruleGross :: Rule
ruleGross = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"gros"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"gros"
    ]
  , prod :: Production
prod = \[Token]
_ -> Integer -> Maybe Token
integer Integer
144 Maybe Token -> (Token -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Int -> Token -> Maybe Token
withGrain Int
1
  }

zeroNineteenMap :: HashMap Text Integer
zeroNineteenMap :: HashMap Text Integer
zeroNineteenMap = [(Text, Integer)] -> HashMap Text Integer
forall k v. (Eq k, Hashable k) => [(k, v)] -> HashMap k v
HashMap.fromList
  [ (Text
"niks", Integer
0)
  , (Text
"nul", Integer
0)
  , (Text
"geen", Integer
0)
  , (Text
"één", Integer
1)
  , (Text
"een", Integer
1)
  , (Text
"twee", Integer
2)
  , (Text
"drie", Integer
3)
  , (Text
"vier", Integer
4)
  , (Text
"vijf", Integer
5)
  , (Text
"zes", Integer
6)
  , (Text
"zeven", Integer
7)
  , (Text
"acht", Integer
8)
  , (Text
"negen", Integer
9)
  , (Text
"tien", Integer
10)
  , (Text
"elf", Integer
11)
  , (Text
"twaalf", Integer
12)
  , (Text
"dertien", Integer
13)
  , (Text
"veertien", Integer
14)
  , (Text
"vijftien", Integer
15)
  , (Text
"zestien", Integer
16)
  , (Text
"zeventien", Integer
17)
  , (Text
"achtien", Integer
18)
  , (Text
"negentien", Integer
19)
  ]

ruleInteger :: Rule
ruleInteger :: Rule
ruleInteger = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"integer (0..19)"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(geen|nul|niks|een|één|twee|drie|vier|vijftien|vijf|zestien|zes|zeventien|zeven|achtien|acht|negentien|negen|tien|elf|twaalf|dertien|veertien)"
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
RegexMatch (GroupMatch (match:_)):[Token]
_) ->
        Text -> HashMap Text Integer -> Maybe Integer
forall k v. (Eq k, Hashable k) => k -> HashMap k v -> Maybe v
HashMap.lookup (Text -> Text
Text.toLower Text
match) HashMap Text Integer
zeroNineteenMap Maybe Integer -> (Integer -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Integer -> Maybe Token
integer
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

dozenMap :: HashMap Text Integer
dozenMap :: HashMap Text Integer
dozenMap = [(Text, Integer)] -> HashMap Text Integer
forall k v. (Eq k, Hashable k) => [(k, v)] -> HashMap k v
HashMap.fromList
  [ (Text
"twintig", Integer
20)
  , (Text
"dertig", Integer
30)
  , (Text
"veertig", Integer
40)
  , (Text
"vijftig", Integer
50)
  , (Text
"zestig", Integer
60)
  , (Text
"zeventig", Integer
70)
  , (Text
"tachtig", Integer
80)
  , (Text
"negentig", Integer
90)
  ]

ruleInteger2 :: Rule
ruleInteger2 :: Rule
ruleInteger2 = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"integer (20..90)"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(twintig|dertig|veertig|vijftig|zestig|zeventig|tachtig|negentig)"
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
RegexMatch (GroupMatch (match:_)):[Token]
_) ->
        Text -> HashMap Text Integer -> Maybe Integer
forall k v. (Eq k, Hashable k) => k -> HashMap k v -> Maybe v
HashMap.lookup (Text -> Text
Text.toLower Text
match) HashMap Text Integer
dozenMap Maybe Integer -> (Integer -> Maybe Token) -> Maybe Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Integer -> Maybe Token
integer
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

rules :: [Rule]
rules :: [Rule]
rules =
  [ Rule
ruleCouple
  , Rule
ruleDecimalNumeral
  , Rule
ruleDecimalWithThousandsSeparator
  , Rule
ruleDozen
  , Rule
ruleGross
  , Rule
ruleFew
  , Rule
ruleInteger
  , Rule
ruleInteger2
  , Rule
ruleInteger3
  , Rule
ruleIntersect
  , Rule
ruleMultiply
  , Rule
ruleNumeralsEn
  , Rule
ruleNumeralsPrefixWithNegativeOrMinus
  , Rule
ruleNumeralsSuffixesKMG
  , Rule
rulePowersOfTen
  , Rule
ruleTen
  ]