-- 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.Duration.HE.Rules
  ( rules ) where

import Control.Monad (join)
import Data.Maybe
import Data.String
import Data.Text (Text)
import Prelude
import qualified Data.Text as Text

import Duckling.Dimensions.Types
import Duckling.Duration.Helpers
import Duckling.Duration.Types (DurationData (..))
import Duckling.Numeral.Helpers (parseInteger)
import Duckling.Numeral.Types (NumeralData(..))
import Duckling.Regex.Types
import Duckling.Types
import qualified Duckling.Duration.Types as TDuration
import qualified Duckling.Numeral.Types as TNumeral
import qualified Duckling.TimeGrain.Types as TG

ruleQuarterOfAnHour :: Rule
ruleQuarterOfAnHour :: Rule
ruleQuarterOfAnHour = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"quarter of an hour"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(1/4/s שעה|רבע שעה)"
    ]
  , prod :: Production
prod = \[Token]
_ -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token)
-> (DurationData -> Token) -> DurationData -> Maybe Token
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Dimension DurationData -> DurationData -> Token
forall a.
(Resolve a, Eq a, Hashable a, Show a, NFData a) =>
Dimension a -> a -> Token
Token Dimension DurationData
Duration (DurationData -> Maybe Token) -> DurationData -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Grain -> Int -> DurationData
duration Grain
TG.Minute Int
15
  }

ruleHalfAnHour :: Rule
ruleHalfAnHour :: Rule
ruleHalfAnHour = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"half an hour"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(1/2/s שעה|חצי שעה)"
    ]
  , prod :: Production
prod = \[Token]
_ -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token)
-> (DurationData -> Token) -> DurationData -> Maybe Token
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Dimension DurationData -> DurationData -> Token
forall a.
(Resolve a, Eq a, Hashable a, Show a, NFData a) =>
Dimension a -> a -> Token
Token Dimension DurationData
Duration (DurationData -> Maybe Token) -> DurationData -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Grain -> Int -> DurationData
duration Grain
TG.Minute Int
30
  }

ruleThreequartersOfAnHour :: Rule
ruleThreequartersOfAnHour :: Rule
ruleThreequartersOfAnHour = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"three-quarters of an hour"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(3/4/s שעה|שלושת רבעי שעה)"
    ]
  , prod :: Production
prod = \[Token]
_ -> Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token)
-> (DurationData -> Token) -> DurationData -> Maybe Token
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Dimension DurationData -> DurationData -> Token
forall a.
(Resolve a, Eq a, Hashable a, Show a, NFData a) =>
Dimension a -> a -> Token
Token Dimension DurationData
Duration (DurationData -> Maybe Token) -> DurationData -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Grain -> Int -> DurationData
duration Grain
TG.Minute Int
45
  }

ruleNumbernumberHours :: Rule
ruleNumbernumberHours :: Rule
ruleNumbernumberHours = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"number.number hours"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(\\d+)\\.(\\d+)"
    , String -> PatternItem
regex String
"שעה|שעות"
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
RegexMatch (GroupMatch (h:m:_)):[Token]
_) -> do
        Integer
hh <- Text -> Maybe Integer
parseInteger Text
h
        Integer
mnum <- Text -> Maybe Integer
parseInteger Text
m
        let mden :: Integer
mden = Integer
10 Integer -> Int -> Integer
forall a b. (Num a, Integral b) => a -> b -> a
^ Text -> Int
Text.length Text
m
        Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token)
-> (DurationData -> Token) -> DurationData -> Maybe Token
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Dimension DurationData -> DurationData -> Token
forall a.
(Resolve a, Eq a, Hashable a, Show a, NFData a) =>
Dimension a -> a -> Token
Token Dimension DurationData
Duration (DurationData -> Maybe Token) -> DurationData -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Integer -> Integer -> Integer -> DurationData
minutesFromHourMixedFraction Integer
hh Integer
mnum Integer
mden
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

ruleIntegerAndAnHalfHours :: Rule
ruleIntegerAndAnHalfHours :: Rule
ruleIntegerAndAnHalfHours = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"<integer> and an half hours"
  , pattern :: Pattern
pattern =
    [ Predicate -> PatternItem
Predicate Predicate
isNatural
    , String -> PatternItem
regex String
"וחצי (שעות|שעה)"
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token Dimension a
Numeral NumeralData{TNumeral.value = v}:[Token]
_) ->
        Token -> Maybe Token
forall a. a -> Maybe a
Just (Token -> Maybe Token) -> (Int -> Token) -> Int -> Maybe Token
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Dimension DurationData -> DurationData -> Token
forall a.
(Resolve a, Eq a, Hashable a, Show a, NFData a) =>
Dimension a -> a -> Token
Token Dimension DurationData
Duration (DurationData -> Token) -> (Int -> DurationData) -> Int -> Token
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Grain -> Int -> DurationData
duration Grain
TG.Minute (Int -> Maybe Token) -> Int -> Maybe Token
forall a b. (a -> b) -> a -> b
$ Int
30 Int -> Int -> Int
forall a. Num a => a -> a -> a
+ Int
60 Int -> Int -> Int
forall a. Num a => a -> a -> a
* Double -> Int
forall a b. (RealFrac a, Integral b) => a -> b
floor Double
v
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

ruleAboutDuration :: Rule
ruleAboutDuration :: Rule
ruleAboutDuration = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"about <duration>"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"(בערך|סביבות|בקירוב)"
    , Dimension DurationData -> PatternItem
forall a. Typeable a => Dimension a -> PatternItem
dimension Dimension DurationData
Duration
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token
_:Token
token:[Token]
_) -> Token -> Maybe Token
forall a. a -> Maybe a
Just Token
token
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

ruleExactlyDuration :: Rule
ruleExactlyDuration :: Rule
ruleExactlyDuration = Rule :: Text -> Pattern -> Production -> Rule
Rule
  { name :: Text
name = Text
"exactly <duration>"
  , pattern :: Pattern
pattern =
    [ String -> PatternItem
regex String
"בדיוק"
    , Dimension DurationData -> PatternItem
forall a. Typeable a => Dimension a -> PatternItem
dimension Dimension DurationData
Duration
    ]
  , prod :: Production
prod = \[Token]
tokens -> case [Token]
tokens of
      (Token
_:Token
token:[Token]
_) -> Token -> Maybe Token
forall a. a -> Maybe a
Just Token
token
      [Token]
_ -> Maybe Token
forall a. Maybe a
Nothing
  }

rules :: [Rule]
rules :: [Rule]
rules =
  [ Rule
ruleAboutDuration
  , Rule
ruleExactlyDuration
  , Rule
ruleHalfAnHour
  , Rule
ruleIntegerAndAnHalfHours
  , Rule
ruleNumbernumberHours
  , Rule
ruleQuarterOfAnHour
  , Rule
ruleThreequartersOfAnHour
  ]