duckling/Duckling/Time/RO/Rules.hs

-- 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. An additional grant
-- of patent rights can be found in the PATENTS file in the same directory.


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

module Duckling.Time.RO.Rules
  ( rules ) where

import Control.Monad (liftM2)
import Prelude

import Duckling.Dimensions.Types
import Duckling.Numeral.Helpers (parseInt)
import Duckling.Regex.Types
import Duckling.Time.Helpers
import Duckling.Time.Types (TimeData (..))
import qualified Duckling.Time.Types as TTime
import qualified Duckling.TimeGrain.Types as TG
import Duckling.Types

ruleAcum :: Rule
ruleAcum = Rule
  { name = "acum"
  , pattern =
    [ regex "(chiar)? ?acum|imediat"
    ]
  , prod = \_ -> Just . Token Time $ cycleNth TG.Second 0
  }

ruleNamedday :: Rule
ruleNamedday = Rule
  { name = "named-day"
  , pattern =
    [ regex "lu(n(ea|i)?)?"
    ]
  , prod = \_ -> Just . Token Time $ dayOfWeek 1
  }

ruleDupamiaza :: Rule
ruleDupamiaza = Rule
  { name = "dupamiaza"
  , pattern =
    [ regex "dupamiaz(a|\x0103)|dup(a|\x0103) amiaz(a|\x0103)"
    ]
  , prod = \_ -> Just . Token Time . mkLatent . partOfDay $
      interval False (hour False 12, hour False 19)
  }

ruleNamedmonth12 :: Rule
ruleNamedmonth12 = Rule
  { name = "named-month"
  , pattern =
    [ regex "dec(embrie)?"
    ]
  , prod = \_ -> Just . Token Time $ month 12
  }

ruleNamedday2 :: Rule
ruleNamedday2 = Rule
  { name = "named-day"
  , pattern =
    [ regex "ma(r((t|\x021b)(ea|i))?)?"
    ]
  , prod = \_ -> Just . Token Time $ dayOfWeek 2
  }

ruleValentinesDay :: Rule
ruleValentinesDay = Rule
  { name = "valentine's day"
  , pattern =
    [ regex "sf\\.?((a|\x00e2)ntul)? Valentin"
    ]
  , prod = \_ -> Just . Token Time $ monthDay 2 14
  }

ruleSinceTimeofday :: Rule
ruleSinceTimeofday = Rule
  { name = "since <time-of-day>"
  , pattern =
    [ regex "de|din"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td:_) -> Just . Token Time $ withDirection TTime.After td
      _ -> Nothing
  }

ruleNewYearsDay :: Rule
ruleNewYearsDay = Rule
  { name = "new year's day"
  , pattern =
    [ regex "(siua de )? an(ul)? nou"
    ]
  , prod = \_ -> Just . Token Time $ monthDay 1 1
  }

ruleNamedday6 :: Rule
ruleNamedday6 = Rule
  { name = "named-day"
  , pattern =
    [ regex "s(a|\x00e2)mb(a|\x0103)t(a|\x0103)|s(a|\x00e2)m|s(a|\x00e2)"
    ]
  , prod = \_ -> Just . Token Time $ dayOfWeek 6
  }

ruleNamedmonth7 :: Rule
ruleNamedmonth7 = Rule
  { name = "named-month"
  , pattern =
    [ regex "iul(ie)?"
    ]
  , prod = \_ -> Just . Token Time $ month 7
  }

ruleOrdinalTrimestruYear :: Rule
ruleOrdinalTrimestruYear = Rule
  { name = "<ordinal> trimestru <year>"
  , pattern =
    [ dimension Ordinal
    , Predicate $ isGrain TG.Quarter
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (token:_:Token Time td:_) -> do
        n <- getIntValue token
        Just . Token Time $ cycleNthAfter False TG.Quarter (n - 1) td
      _ -> Nothing
  }

ruleInNamedmonth :: Rule
ruleInNamedmonth = Rule
  { name = "in <named-month>"
  , pattern =
    [ regex "(i|\x00ee)n"
    , Predicate isAMonth
    ]
  , prod = \tokens -> case tokens of
      (_:x:_) -> Just x
      _ -> Nothing
  }

ruleLastCycleOfTime :: Rule
ruleLastCycleOfTime = Rule
  { name = "last <cycle> of <time>"
  , pattern =
    [ regex "ultim(ul|a)"
    , dimension TimeGrain
    , regex "din"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (_:Token TimeGrain grain:_:Token Time td:_) ->
        Just . Token Time $ cycleLastOf grain td
      _ -> Nothing
  }

ruleIntroNamedday :: Rule
ruleIntroNamedday = Rule
  { name = "intr-o <named-day>"
  , pattern =
    [ regex "((i|\x00ee)n(tr)?(\\-?o)?)"
    , Predicate isADayOfWeek
    ]
  , prod = \tokens -> case tokens of
      (_:x:_) -> Just x
      _ -> Nothing
  }

ruleMonthDdddInterval :: Rule
ruleMonthDdddInterval = Rule
  { name = "<month> dd-dd (interval)"
  , pattern =
    [ Predicate isAMonth
    , regex "(3[01]|[12]\\d|0?[1-9])"
    , regex "\\-"
    , regex "(3[01]|[12]\\d|0?[1-9])"
    ]
  , prod = \tokens -> case tokens of
      (Token Time td:
       Token RegexMatch (GroupMatch (m1:_)):
       _:
       Token RegexMatch (GroupMatch (m2:_)):
       _) -> do
        d1 <- parseInt m1
        d2 <- parseInt m2
        let dom1 = intersect (dayOfMonth d1, td)
            dom2 = intersect (dayOfMonth d2, td)
        Just . Token Time $ interval True (dom1, dom2)
      _ -> Nothing
  }

ruleNamedday4 :: Rule
ruleNamedday4 = Rule
  { name = "named-day"
  , pattern =
    [ regex "jo(ia?)?"
    ]
  , prod = \_ -> Just . Token Time $ dayOfWeek 4
  }

ruleInDuration :: Rule
ruleInDuration = Rule
  { name = "in <duration>"
  , pattern =
    [ regex "(i|\x00ee)n"
    , dimension Duration
    ]
  , prod = \tokens -> case tokens of
      (_:Token Duration dd:_) -> Just . Token Time $ inDuration dd
      _ -> Nothing
  }

ruleIeri :: Rule
ruleIeri = Rule
  { name = "ieri"
  , pattern =
    [ regex "ieri"
    ]
  , prod = \_ -> Just . Token Time . cycleNth TG.Day $ - 1
  }

ruleCycleAcesta :: Rule
ruleCycleAcesta = Rule
  { name = "<cycle> acesta"
  , pattern =
    [ regex "aceasta|acest|(a|\x0103)sta"
    , dimension TimeGrain
    ]
  , prod = \tokens -> case tokens of
      (_:Token TimeGrain grain:_) -> Just . Token Time $ cycleNth grain 0
      _ -> Nothing
  }

ruleYearLatent2 :: Rule
ruleYearLatent2 = Rule
  { name = "year (latent)"
  , pattern =
    [ Predicate $ isIntegerBetween 2101 10000
    ]
  , prod = \tokens -> case tokens of
      (token:_) -> do
        v <- getIntValue token
        Just . Token Time . mkLatent $ year v
      _ -> Nothing
  }

ruleAzi :: Rule
ruleAzi = Rule
  { name = "azi"
  , pattern =
    [ regex "a(st(a|\x0103))?zi"
    ]
  , prod = \_ -> Just . Token Time $ cycleNth TG.Day 0
  }

ruleNoon :: Rule
ruleNoon = Rule
  { name = "noon"
  , pattern =
    [ regex "noon"
    ]
  , prod = \_ -> Just . Token Time $ hour False 12
  }

ruleTimeTrecuta :: Rule
ruleTimeTrecuta = Rule
  { name = "<time> trecut[aă]?"
  , pattern =
    [ dimension Time
    , regex "(trecut(a|\x0103)?)"
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td:_) -> Just . Token Time $ predNth (-1) False td
      _ -> Nothing
  }

ruleThisnextDayofweek :: Rule
ruleThisnextDayofweek = Rule
  { name = "this|next <day-of-week>"
  , pattern =
    [ Predicate isADayOfWeek
    , regex "aceasta|(a|\x0103)sta|urm(a|\x0103)toare"
    ]
  , prod = \tokens -> case tokens of
      (Token Time td:_) -> Just . Token Time $ predNth 0 True td
      _ -> Nothing
  }

ruleBetweenTimeofdayAndTimeofdayInterval :: Rule
ruleBetweenTimeofdayAndTimeofdayInterval = Rule
  { name = "between <time-of-day> and <time-of-day> (interval)"
  , pattern =
    [ regex "(i|\x00ee)ntre"
    , Predicate isATimeOfDay
    , regex "(s|\x0219)i"
    , Predicate isATimeOfDay
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td1:_:Token Time td2:_) ->
        Just . Token Time $ interval True (td1, td2)
      _ -> Nothing
  }

ruleNamedmonth :: Rule
ruleNamedmonth = Rule
  { name = "named-month"
  , pattern =
    [ regex "ian(uarie)?"
    ]
  , prod = \_ -> Just . Token Time $ month 1
  }

ruleUrmatoareaCycle :: Rule
ruleUrmatoareaCycle = Rule
  { name = "urmatoarea <cycle>"
  , pattern =
    [ regex "(urm(a|\x0103)to(area|rul)|viito(are|r))"
    , dimension TimeGrain
    ]
  , prod = \tokens -> case tokens of
      (_:Token TimeGrain grain:_) -> Just . Token Time $ cycleNth grain 1
      _ -> Nothing
  }

ruleCycleAcesta2 :: Rule
ruleCycleAcesta2 = Rule
  { name = "<cycle> acesta"
  , pattern =
    [ dimension TimeGrain
    , regex "aceasta|acest|(a|\x0103)sta|curent(a|\x0103)"
    ]
  , prod = \tokens -> case tokens of
      (Token TimeGrain grain:_) -> Just . Token Time $ cycleNth grain 0
      _ -> Nothing
  }

ruleNamedmonth3 :: Rule
ruleNamedmonth3 = Rule
  { name = "named-month"
  , pattern =
    [ regex "martie|mar"
    ]
  , prod = \_ -> Just . Token Time $ month 3
  }

ruleCraciun :: Rule
ruleCraciun = Rule
  { name = "craciun"
  , pattern =
    [ regex "(ziua de )?cr(a|\x0103)ciun"
    ]
  , prod = \_ -> Just . Token Time $ monthDay 12 25
  }

ruleTrimestruNumeralYear :: Rule
ruleTrimestruNumeralYear = Rule
  { name = "trimestru <number> <year>"
  , pattern =
    [ Predicate $ isGrain TG.Quarter
    , dimension Numeral
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (_:token:Token Time td:_) -> do
        v <- getIntValue token
        Just . Token Time $ cycleNthAfter False TG.Quarter (v - 1) td
      _ -> Nothing
  }

ruleDdmm :: Rule
ruleDdmm = Rule
  { name = "dd/mm"
  , pattern =
    [ regex "(3[01]|[12]\\d|0?[1-9])/(0?[1-9]|1[0-2])"
    ]
  , prod = \tokens -> case tokens of
      (Token RegexMatch (GroupMatch (dd:mm:_)):_) -> do
        m <- parseInt mm
        d <- parseInt dd
        Just . Token Time $ monthDay m d
      _ -> Nothing
  }

ruleLaTimeofday :: Rule
ruleLaTimeofday = Rule
  { name = "la <time-of-day>"
  , pattern =
    [ regex "la|@ (ora)?"
    , Predicate isATimeOfDay
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td:_) -> Just . Token Time $ notLatent td
      _ -> Nothing
  }

ruleNamedmonth4 :: Rule
ruleNamedmonth4 = Rule
  { name = "named-month"
  , pattern =
    [ regex "apr(ilie)?"
    ]
  , prod = \_ -> Just . Token Time $ month 4
  }

ruleBlackFriday :: Rule
ruleBlackFriday = Rule
  { name = "black friday"
  , pattern =
    [ regex "black frid?day"
    ]
  , prod = \_ -> Just . Token Time $ nthDOWOfMonth 4 5 11
  }

ruleChristmasEve :: Rule
ruleChristmasEve = Rule
  { name = "christmas eve"
  , pattern =
    [ regex "ajun(ul)? (de )?cr(a|\x0103)ciun"
    ]
  , prod = \_ -> Just . Token Time $ monthDay 12 24
  }

rulePentruDuration :: Rule
rulePentruDuration = Rule
  { name = "pentru <duration>"
  , pattern =
    [ regex "pentru"
    , dimension Duration
    ]
  , prod = \tokens -> case tokens of
      (_:Token Duration dd:_) -> Just . Token Time $ inDuration dd
      _ -> Nothing
  }

ruleHourofdayIntegerAsRelativeMinutes :: Rule
ruleHourofdayIntegerAsRelativeMinutes = Rule
  { name = "<hour-of-day> <integer> (as relative minutes)"
  , pattern =
    [ Predicate isAnHourOfDay
    , Predicate $ isIntegerBetween 1 59
    ]
  , prod = \tokens -> case tokens of
      (Token Time TimeData {TTime.form = Just (TTime.TimeOfDay (Just hours) is12H)}:
       token:
       _) -> do
        n <- getIntValue token
        Just . Token Time $ hourMinute is12H hours n
      _ -> Nothing
  }

ruleHourofdaySfert :: Rule
ruleHourofdaySfert = Rule
  { name = "<hour-of-day> sfert"
  , pattern =
    [ Predicate isAnHourOfDay
    , regex "((s|\x0219)i )?(un )?sfert"
    ]
  , prod = \tokens -> case tokens of
      (Token Time TimeData {TTime.form = Just (TTime.TimeOfDay (Just hours) is12H)}:
       _) -> Just . Token Time $ hourMinute is12H hours 15
      _ -> Nothing
  }

ruleHourofdayJumatate :: Rule
ruleHourofdayJumatate = Rule
  { name = "<hour-of-day> sfert"
  , pattern =
    [ Predicate isAnHourOfDay
    , regex "((s|\x0219)i )?jum(a|\x0103)tate|jumate"
    ]
  , prod = \tokens -> case tokens of
      (Token Time TimeData {TTime.form = Just (TTime.TimeOfDay (Just hours) is12H)}:
       _) -> Just . Token Time $ hourMinute is12H hours 30
      _ -> Nothing
  }

ruleNamedday5 :: Rule
ruleNamedday5 = Rule
  { name = "named-day"
  , pattern =
    [ regex "vi(n(er(ea|i))?)?"
    ]
  , prod = \_ -> Just . Token Time $ dayOfWeek 5
  }

ruleDiseara :: Rule
ruleDiseara = Rule
  { name = "diseara"
  , pattern =
    [ regex "disear(a|\x0103)|((i|\x00ee)n aceas(a|\x0103) )?sear(a|\x0103)"
    ]
  , prod = \_ ->
      let td1 = cycleNth TG.Day 0
          td2 = interval False (hour False 18, hour False 0)
      in Just . Token Time . partOfDay $ intersect (td1, td2)
  }

ruleIntersectBy :: Rule
ruleIntersectBy = Rule
  { name = "intersect by \",\""
  , pattern =
    [ Predicate isNotLatent
    , regex ","
    , Predicate isNotLatent
    ]
  , prod = \tokens -> case tokens of
      (Token Time td1:_:Token Time td2:_) ->
        Just . Token Time $ intersect (td1, td2)
      _ -> Nothing
  }

ruleDayofmonthNumeral :: Rule
ruleDayofmonthNumeral = Rule
  { name = "<day-of-month> (number)"
  , pattern =
    [ Predicate isDOMInteger
    ]
  , prod = \tokens -> case tokens of
      (token:_) -> do
        v <- getIntValue token
        Just . Token Time . mkLatent $ dayOfMonth v
      _ -> Nothing
  }

ruleNthTimeAfterTime :: Rule
ruleNthTimeAfterTime = Rule
  { name = "nth <time> after <time>"
  , pattern =
    [ dimension Ordinal
    , dimension Time
    , regex "dup(a|\x0103)"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (token:Token Time td1:_:Token Time td2:_) -> do
        v <- getIntValue token
        Just . Token Time $ predNthAfter (v - 1) td1 td2
      _ -> Nothing
  }

ruleMmdd :: Rule
ruleMmdd = Rule
  { name = "mm/dd"
  , pattern =
    [ regex "(0?[1-9]|1[0-2])/(3[01]|[12]\\d|0?[1-9])"
    ]
  , prod = \tokens -> case tokens of
      (Token RegexMatch (GroupMatch (mm:dd:_)):_) -> do
        m <- parseInt mm
        d <- parseInt dd
        Just . Token Time $ monthDay m d
      _ -> Nothing
  }

ruleTimeofdayLatent :: Rule
ruleTimeofdayLatent = Rule
  { name = "time-of-day (latent)"
  , pattern =
    [ Predicate $ isIntegerBetween 0 23
    ]
  , prod = \tokens -> case tokens of
      (token:_) -> do
        v <- getIntValue token
        Just . Token Time . mkLatent $ hour True v
      _ -> Nothing
  }

ruleFromTimeofdayTimeofdayInterval :: Rule
ruleFromTimeofdayTimeofdayInterval = Rule
  { name = "from <time-of-day> - <time-of-day> (interval)"
  , pattern =
    [ regex "(dup(a|\x0103)|(i|\x00ee)ncep(a|\x00e2)nd cu)"
    , Predicate isATimeOfDay
    , regex "(dar |(s|\x0219)i )?((i|\x00ee)nainte|p(a|\x00e2)n(a|\x0103) la( de)?)"
    , Predicate isATimeOfDay
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td1:_:Token Time td2:_) ->
        Just . Token Time $ interval True (td1, td2)
      _ -> Nothing
  }

ruleNamedmonth2 :: Rule
ruleNamedmonth2 = Rule
  { name = "named-month"
  , pattern =
    [ regex "feb(ruarie)?"
    ]
  , prod = \_ -> Just . Token Time $ month 2
  }

ruleSeason3 :: Rule
ruleSeason3 = Rule
  { name = "season"
  , pattern =
    [ regex "primavar(a|\x0103)"
    ]
  , prod = \_ -> Just . Token Time $
      interval False (monthDay 3 20, monthDay 6 21)
  }

ruleUrmatoareleNCycle :: Rule
ruleUrmatoareleNCycle = Rule
  { name = "urmatoarele n <cycle>"
  , pattern =
    [ regex "urm(a|\x0103)to(arele|rii|area)"
    , Predicate $ isIntegerBetween 1 9999
    , dimension TimeGrain
    ]
  , prod = \tokens -> case tokens of
      (_:token:Token TimeGrain grain:_) -> do
        v <- getIntValue token
        Just . Token Time $ cycleN True grain v
      _ -> Nothing
  }

ruleSeason :: Rule
ruleSeason = Rule
  { name = "season"
  , pattern =
    [ regex "toamn(a|\x0103)"
    ]
  , prod = \_ -> Just . Token Time $
      interval False (monthDay 9 23, monthDay 12 21)
  }

ruleDupaDuration :: Rule
ruleDupaDuration = Rule
  { name = "dupa <duration>"
  , pattern =
    [ regex "dup(a|\x0103)"
    , dimension Duration
    ]
  , prod = \tokens -> case tokens of
      (_:Token Duration dd:_) ->
        Just . Token Time . withDirection TTime.After $ inDuration dd
      _ -> Nothing
  }

ruleNewYearsEve :: Rule
ruleNewYearsEve = Rule
  { name = "new year's eve"
  , pattern =
    [ regex "(ajun(ul)? )?(de )?an(ul)? nou"
    ]
  , prod = \_ -> Just . Token Time $ monthDay 12 31
  }

ruleByTheEndOfTime :: Rule
ruleByTheEndOfTime = Rule
  { name = "by the end of <time>"
  , pattern =
    [ regex "p(a|\x00ee)n(a|\x0103) ((i|\x00ee)n|la)"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td:_) ->
        Just . Token Time $ interval True (cycleNth TG.Second 0, td)
      _ -> Nothing
  }

ruleNameddayPeDayofmonthNumeral :: Rule
ruleNameddayPeDayofmonthNumeral = Rule
  { name = "<named-day> pe <day-of-month> (number)"
  , pattern =
    [ Predicate isADayOfWeek
    , regex "pe"
    , Predicate isDOMInteger
    ]
  , prod = \tokens -> case tokens of
      (Token Time td:_:token:_) -> Token Time <$> intersectDOM td token
      _ -> Nothing
  }

ruleDayofmonthNonOrdinalNamedmonth :: Rule
ruleDayofmonthNonOrdinalNamedmonth = Rule
  { name = "<day-of-month> (non ordinal) <named-month>"
  , pattern =
    [ Predicate isDOMInteger
    , Predicate isAMonth
    ]
  , prod = \tokens -> case tokens of
      (token:Token Time td:_) -> Token Time <$> intersectDOM td token
      _ -> Nothing
  }

ruleIntersect :: Rule
ruleIntersect = Rule
  { name = "intersect"
  , pattern =
    [ Predicate isNotLatent
    , Predicate isNotLatent
    ]
  , prod = \tokens -> case tokens of
      (Token Time td1:Token Time td2:_) ->
        Just . Token Time $ intersect (td1, td2)
      _ -> Nothing
  }

ruleAboutTimeofday :: Rule
ruleAboutTimeofday = Rule
  { name = "about <time-of-day>"
  , pattern =
    [ regex "(cam|aproximativ|(i|\x00ee)n jur de)"
    , Predicate isATimeOfDay
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td:_) -> Just . Token Time $ notLatent td
      _ -> Nothing
  }

ruleUntilTimeofday :: Rule
ruleUntilTimeofday = Rule
  { name = "until <time-of-day>"
  , pattern =
    [ regex "p(a|\x00ee)n(a|\x0103) ((i|\x00ee)n|la)"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td:_) ->
        Just . Token Time $ withDirection TTime.Before td
      _ -> Nothing
  }

ruleDayofmonthnumberNamedmonth :: Rule
ruleDayofmonthnumberNamedmonth = Rule
  { name = "<day-of-month>(number) <named-month>"
  , pattern =
    [ Predicate isDOMInteger
    , Predicate isAMonth
    ]
  , prod = \tokens -> case tokens of
      (token:Token Time td:_) -> Token Time <$> intersectDOM td token
      _ -> Nothing
  }

ruleNamedmonth6 :: Rule
ruleNamedmonth6 = Rule
  { name = "named-month"
  , pattern =
    [ regex "iun(ie)?"
    ]
  , prod = \_ -> Just . Token Time $ month 6
  }

ruleIntreDatetimeSiDatetimeInterval :: Rule
ruleIntreDatetimeSiDatetimeInterval = Rule
  { name = "intre <datetime> si <datetime> (interval)"
  , pattern =
    [ regex "(i|\x00ee)nre"
    , dimension Time
    , regex "(s|\x0219)i"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td1:_:Token Time td2:_) ->
        Just . Token Time $ interval True (td1, td2)
      _ -> Nothing
  }

ruleNthTimeOfTime :: Rule
ruleNthTimeOfTime = Rule
  { name = "nth <time> of <time>"
  , pattern =
    [ dimension Ordinal
    , dimension Time
    , regex "din"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (token:Token Time td1:_:Token Time td2:_) -> do
        v <- getIntValue token
        Just . Token Time . predNth (v - 1) False $ intersect (td2, td1)
      _ -> Nothing
  }

ruleNamedmonth8 :: Rule
ruleNamedmonth8 = Rule
  { name = "named-month"
  , pattern =
    [ regex "aug(ust)?"
    ]
  , prod = \_ -> Just . Token Time $ month 8
  }

ruleTimePartofday :: Rule
ruleTimePartofday = Rule
  { name = "<time> <part-of-day>"
  , pattern =
    [ dimension Time
    , Predicate isAPartOfDay
    ]
  , prod = \tokens -> case tokens of
      (Token Time td1:Token Time td2:_) ->
        Just . Token Time $ intersect (td1, td2)
      _ -> Nothing
  }

ruleWeekend :: Rule
ruleWeekend = Rule
  { name = "week-end"
  , pattern =
    [ regex "(week(\\s|\\-)?end|wkend)"
    ]
  , prod = \_ ->
      let fri = intersect (dayOfWeek 5, hour False 18)
          mon = intersect (dayOfWeek 1, hour False 0)
        in Just . Token Time $ interval False (fri, mon)
  }

rulePeDayofmonthNonOrdinal :: Rule
rulePeDayofmonthNonOrdinal = Rule
  { name = "pe <day-of-month> (non ordinal)"
  , pattern =
    [ regex "pe"
    , Predicate isDOMInteger
    ]
  , prod = \tokens -> case tokens of
      (_:token:_) -> do
        v <- getIntValue token
        Just . Token Time . mkLatent $ dayOfMonth v
      _ -> Nothing
  }

ruleTimeAceastaacestaasta :: Rule
ruleTimeAceastaacestaasta = Rule
  { name = "<time> (aceasta|acesta|[aă]sta)"
  , pattern =
    [ dimension Time
    , regex "aceasta|(a|\x0103)sta|urm(a|\x0103)toare"
    ]
  , prod = \tokens -> case tokens of
      (Token Time td:_) ->
        Just . Token Time $ predNth 0 False td
      _ -> Nothing
  }

ruleEomendOfMonth :: Rule
ruleEomendOfMonth = Rule
  { name = "EOM|End of month"
  , pattern =
    [ regex "sf(a|\x00e2)r(s|\x0219)itul lunii"
    ]
  , prod = \_ -> Just . Token Time $ cycleNth TG.Month 1
  }

rulePartofdayAsta :: Rule
rulePartofdayAsta = Rule
  { name = "<part-of-day> asta"
  , pattern =
    [ Predicate isAPartOfDay
    , regex "asta"
    ]
  , prod = \tokens -> case tokens of
      (Token Time td:_) ->
        Just . Token Time . partOfDay $ intersect (cycleNth TG.Day 0, td)
      _ -> Nothing
  }

ruleUltimaCycle :: Rule
ruleUltimaCycle = Rule
  { name = "ultima <cycle>"
  , pattern =
    [ regex "ultim(a|ul)"
    , dimension TimeGrain
    ]
  , prod = \tokens -> case tokens of
      (_:Token TimeGrain grain:_) -> Just . Token Time . cycleNth grain $ - 1
      _ -> Nothing
  }

ruleCycleUrmatoare :: Rule
ruleCycleUrmatoare = Rule
  { name = "<cycle> urmatoare"
  , pattern =
    [ dimension TimeGrain
    , regex "(urm(a|\x0103)to(are|r)|viito(are|r))"
    ]
  , prod = \tokens -> case tokens of
      (_:Token TimeGrain grain:_) -> Just . Token Time $ cycleNth grain 1
      _ -> Nothing
  }

ruleTheDayofmonthNumeral :: Rule
ruleTheDayofmonthNumeral = Rule
  { name = "the <day-of-month> (number)"
  , pattern =
    [ regex "pe"
    , Predicate isDOMInteger
    ]
  , prod = \tokens -> case tokens of
      (_:token:_) -> do
        v <- getIntValue token
        Just . Token Time $ dayOfMonth v
      _ -> Nothing
  }

ruleYyyymmdd :: Rule
ruleYyyymmdd = Rule
  { name = "yyyy-mm-dd"
  , pattern =
    [ regex "(\\d{2,4})-(0?[1-9]|1[0-2])-(3[01]|[12]\\d|0?[1-9])"
    ]
  , prod = \tokens -> case tokens of
      (Token RegexMatch (GroupMatch (yy:mm:dd:_)):_) -> do
        y <- parseInt yy
        m <- parseInt mm
        d <- parseInt dd
        Just . Token Time $ yearMonthDay y m d
      _ -> Nothing
  }

ruleCycleTrecut :: Rule
ruleCycleTrecut = Rule
  { name = "<cycle> trecut"
  , pattern =
    [ dimension TimeGrain
    , regex "trecut(a|\x0103)?"
    ]
  , prod = \tokens -> case tokens of
      (Token TimeGrain grain:_) ->
        Just . Token Time . cycleNth grain $ - 1
      _ -> Nothing
  }

ruleDayofmonthNumeralOfNamedmonth :: Rule
ruleDayofmonthNumeralOfNamedmonth = Rule
  { name = "<day-of-month> (number) of <named-month>"
  , pattern =
    [ Predicate isDOMInteger
    , regex "din"
    , Predicate isAMonth
    ]
  , prod = \tokens -> case tokens of
      (token:_:Token Time td:_) -> Token Time <$> intersectDOM td token
      _ -> Nothing
  }

ruleDurationInainteDeTime :: Rule
ruleDurationInainteDeTime = Rule
  { name = "<duration> inainte de <time>"
  , pattern =
    [ dimension Duration
    , regex "(i|\x00ee)nainte de"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (Token Duration dd:_:Token Time td:_) ->
        Just . Token Time $ durationBefore dd td
      _ -> Nothing
  }

ruleDayofmonthNonOrdinalOfNamedmonth :: Rule
ruleDayofmonthNonOrdinalOfNamedmonth = Rule
  { name = "<day-of-month> (non ordinal) of <named-month>"
  , pattern =
    [ Predicate isDOMInteger
    , regex "din"
    , Predicate isAMonth
    ]
  , prod = \tokens -> case tokens of
      (token:_:Token Time td:_) -> Token Time <$> intersectDOM td token
      _ -> Nothing
  }

ruleDurationInUrma :: Rule
ruleDurationInUrma = Rule
  { name = "<duration> in urma"
  , pattern =
    [ dimension Duration
    , regex "(i|\x00ee)n urm(a|\x0103)"
    ]
  , prod = \tokens -> case tokens of
      (Token Duration dd:_) -> Just . Token Time $ durationAgo dd
      _ -> Nothing
  }

ruleDurationDeAcum :: Rule
ruleDurationDeAcum = Rule
  { name = "<duration> de acum"
  , pattern =
    [ dimension Duration
    , regex "de (acum|azi)"
    ]
  , prod = \tokens -> case tokens of
      (Token Duration dd:_) -> Just . Token Time $ inDuration dd
      _ -> Nothing
  }

ruleSezonAnotimp :: Rule
ruleSezonAnotimp = Rule
  { name = "sezon anotimp"
  , pattern =
    [ regex "var(a|\x0103)"
    ]
  , prod = \_ ->
      Just . Token Time $ interval False (monthDay 6 21, monthDay 9 23)
  }

ruleSearaNoapte :: Rule
ruleSearaNoapte = Rule
  { name = "sear[aă] noapte"
  , pattern =
    [ regex "sear(a|\x0103)|noapte"
    ]
  , prod = \_ -> Just . Token Time . mkLatent . partOfDay $
      interval False (hour False 18, hour False 0)
  }

ruleYearLatent :: Rule
ruleYearLatent = Rule
  { name = "year (latent)"
  , pattern =
    [ Predicate $ isIntegerBetween (- 10000) 999
    ]
  , prod = \tokens -> case tokens of
      (token:_) -> do
        v <- getIntValue token
        Just . Token Time . mkLatent $ year v
      _ -> Nothing
  }

ruleSeason2 :: Rule
ruleSeason2 = Rule
  { name = "season"
  , pattern =
    [ regex "iarn(a|\x0103)"
    ]
  , prod = \_ ->
      Just . Token Time $ interval False (monthDay 12 21, monthDay 3 20)
  }

ruleUltimeleNCycle :: Rule
ruleUltimeleNCycle = Rule
  { name = "ultimele n <cycle>"
  , pattern =
    [ regex "ultim(ele|ii|a)"
    , Predicate $ isIntegerBetween 1 9999
    , dimension TimeGrain
    ]
  , prod = \tokens -> case tokens of
      (_:token:Token TimeGrain grain:_) -> do
        v <- getIntValue token
        Just . Token Time $ cycleN True grain (- v)
      _ -> Nothing
  }

ruleAfterTimeofday :: Rule
ruleAfterTimeofday = Rule
  { name = "after <time-of-day>"
  , pattern =
    [ regex "dup(a|\x0103)"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td:_) -> Just . Token Time $ withDirection TTime.After td
      _ -> Nothing
  }

ruleDimineata :: Rule
ruleDimineata = Rule
  { name = "diminea[tț][aă]"
  , pattern =
    [ regex "diminea(t|\x021b)(a|\x0103)"
    ]
  , prod = \_ -> Just . Token Time . mkLatent . partOfDay $
      interval False (hour False 4, hour False 12)
  }

ruleTimeUrmatoarer :: Rule
ruleTimeUrmatoarer = Rule
  { name = "<time> urm[aă]to(are|r)"
  , pattern =
    [ regex "urm(a|\x0103)to(are|r)"
    , Predicate isNotLatent
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td:_) -> Just . Token Time $ predNth 0 True td
      _ -> Nothing
  }

ruleNamedmonth5 :: Rule
ruleNamedmonth5 = Rule
  { name = "named-month"
  , pattern =
    [ regex "mai"
    ]
  , prod = \_ -> Just . Token Time $ month 5
  }

ruleTimeofdayFix :: Rule
ruleTimeofdayFix = Rule
  { name = "<time-of-day> fix"
  , pattern =
    [ Predicate isATimeOfDay
    , regex "(fix|exact)"
    ]
  , prod = \tokens -> case tokens of
      (Token Time td:_) -> Just . Token Time $ notLatent td
      _ -> Nothing
  }

ruleNamedday7 :: Rule
ruleNamedday7 = Rule
  { name = "named-day"
  , pattern =
    [ regex "du(m(inic(a|\x0103))?)?"
    ]
  , prod = \_ -> Just . Token Time $ dayOfWeek 7
  }

ruleHhmm :: Rule
ruleHhmm = Rule
  { name = "hh:mm"
  , pattern =
    [ regex "((?:[01]?\\d)|(?:2[0-3]))[:.]([0-5]\\d)"
    ]
  , prod = \tokens -> case tokens of
      (Token RegexMatch (GroupMatch (hh:mm:_)):_) -> do
        h <- parseInt hh
        m <- parseInt mm
        Just . Token Time $ hourMinute True h m
      _ -> Nothing
  }

ruleMaine :: Rule
ruleMaine = Rule
  { name = "maine"
  , pattern =
    [ regex "m(a|\x00e2)ine"
    ]
  , prod = \_ -> Just . Token Time $ cycleNth TG.Day 1
  }

ruleTimezone :: Rule
ruleTimezone = Rule
  { name = "<time> timezone"
  , pattern =
    [ Predicate $ liftM2 (&&) isATimeOfDay isNotLatent
    , regex "\\b(YEKT|YEKST|YAKT|YAKST|WITA|WIT|WIB|WGT|WGST|WFT|WET|WEST|WAT|WAST|VUT|VLAT|VLAST|VET|UZT|UYT|UYST|UTC|ULAT|TVT|TMT|TLT|TKT|TJT|TFT|TAHT|SST|SRT|SGT|SCT|SBT|SAST|SAMT|RET|PYT|PYST|PWT|PST|PONT|PMST|PMDT|PKT|PHT|PHOT|PGT|PETT|PETST|PET|PDT|OMST|OMSST|NZST|NZDT|NUT|NST|NPT|NOVT|NOVST|NFT|NDT|NCT|MYT|MVT|MUT|MST|MSK|MSD|MMT|MHT|MDT|MAWT|MART|MAGT|MAGST|LINT|LHST|LHDT|KUYT|KST|KRAT|KRAST|KGT|JST|IST|IRST|IRKT|IRKST|IRDT|IOT|IDT|ICT|HOVT|HKT|GYT|GST|GMT|GILT|GFT|GET|GAMT|GALT|FNT|FKT|FKST|FJT|FJST|EST|EGT|EGST|EET|EEST|EDT|ECT|EAT|EAST|EASST|DAVT|ChST|CXT|CVT|CST|COT|CLT|CLST|CKT|CHAST|CHADT|CET|CEST|CDT|CCT|CAT|CAST|BTT|BST|BRT|BRST|BOT|BNT|AZT|AZST|AZOT|AZOST|AWST|AWDT|AST|ART|AQTT|ANAT|ANAST|AMT|AMST|ALMT|AKST|AKDT|AFT|AEST|AEDT|ADT|ACST|ACDT)\\b"
    ]
  , prod = \tokens -> case tokens of
      (Token Time td:
       Token RegexMatch (GroupMatch (tz:_)):
       _) -> Token Time <$> inTimezone tz td
      _ -> Nothing
  }

ruleYear :: Rule
ruleYear = Rule
  { name = "year"
  , pattern =
    [ Predicate $ isIntegerBetween 1000 2100
    ]
  , prod = \tokens -> case tokens of
      (token:_) -> do
        v <- getIntValue token
        Just . Token Time $ year v
      _ -> Nothing
  }

ruleNamedmonth10 :: Rule
ruleNamedmonth10 = Rule
  { name = "named-month"
  , pattern =
    [ regex "oct(ombrie)?"
    ]
  , prod = \_ -> Just . Token Time $ month 10
  }

ruleHalloweenDay :: Rule
ruleHalloweenDay = Rule
  { name = "halloween day"
  , pattern =
    [ regex "hall?owe?en"
    ]
  , prod = \_ -> Just . Token Time $ monthDay 10 31
  }

ruleNamedmonthDayofmonthNonOrdinal :: Rule
ruleNamedmonthDayofmonthNonOrdinal = Rule
  { name = "<named-month> <day-of-month> (non ordinal)"
  , pattern =
    [ Predicate isAMonth
    , Predicate isDOMInteger
    ]
  , prod = \tokens -> case tokens of
      (Token Time td:token:_) -> Token Time <$> intersectDOM td token
      _ -> Nothing
  }

rulePeDate :: Rule
rulePeDate = Rule
  { name = "pe <date>"
  , pattern =
    [ regex "pe"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (_:x:_) -> Just x
      _ -> Nothing
  }

ruleDayofmonthnumberNamedmonthYear :: Rule
ruleDayofmonthnumberNamedmonthYear = Rule
  { name = "<day-of-month>(number) <named-month> year"
  , pattern =
    [ Predicate isDOMInteger
    , Predicate isAMonth
    , regex "(\\d{2,4})"
    ]
  , prod = \tokens -> case tokens of
      (token:
       Token Time td:
       Token RegexMatch (GroupMatch (match:_)):
       _) -> do
        v <- parseInt match
        dom <- intersectDOM td token
        Just . Token Time $ intersect (dom, year v)
      _ -> Nothing
  }

ruleAbsorptionOfAfterNamedDay :: Rule
ruleAbsorptionOfAfterNamedDay = Rule
  { name = "absorption of , after named day"
  , pattern =
    [ Predicate isADayOfWeek
    , regex ","
    ]
  , prod = \tokens -> case tokens of
      (x:_) -> Just x
      _ -> Nothing
  }

ruleLastDayofweekOfTime :: Rule
ruleLastDayofweekOfTime = Rule
  { name = "last <day-of-week> of <time>"
  , pattern =
    [ regex "ultima"
    , Predicate isADayOfWeek
    , regex "din"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td1:_:Token Time td2:_) ->
        Just . Token Time $ predLastOf td1 td2
      _ -> Nothing
  }

ruleOrdinalTrimestru :: Rule
ruleOrdinalTrimestru = Rule
  { name = "<ordinal> trimestru"
  , pattern =
    [ dimension Ordinal
    , Predicate $ isGrain TG.Quarter
    ]
  , prod = \tokens -> case tokens of
      (token:_) -> do
        n <- getIntValue token
        Just . Token Time . cycleNthAfter True TG.Quarter (n - 1) $
          cycleNth TG.Year 0
      _ -> Nothing
  }

ruleByTime :: Rule
ruleByTime = Rule
  { name = "by <time>"
  , pattern =
    [ regex "p(a|\x00e2)n(a|\x0103) (la|(i|\x00ee)n)"
    , dimension Time
    ]
  , prod = \tokens -> case tokens of
      (_:Token Time td:_) -> Just . Token Time $
        interval False (cycleNth TG.Second 0, td)
      _ -> Nothing
  }

ruleDdmmyyyy :: Rule
ruleDdmmyyyy = Rule
  { name = "dd/mm/yyyy"
  , pattern =
    [ regex "(3[01]|[12]\\d|0?[1-9])[-/](0?[1-9]|1[0-2])[/-](\\d{2,4})"
    ]
  , prod = \tokens -> case tokens of
      (Token RegexMatch (GroupMatch (dd:mm:yy:_)):_) -> do
        y <- parseInt yy
        m <- parseInt mm
        d <- parseInt dd
        Just . Token Time $ yearMonthDay y m d
      _ -> Nothing
  }

ruleNamedmonth11 :: Rule
ruleNamedmonth11 = Rule
  { name = "named-month"
  , pattern =
    [ regex "noi(embrie)?"
    ]
  , prod = \_ -> Just . Token Time $ month 11
  }

ruleNamedday3 :: Rule
ruleNamedday3 = Rule
  { name = "named-day"
  , pattern =
    [ regex "mi(e(rcur(ea|i))?)?"
    ]
  , prod = \_ -> Just . Token Time $ dayOfWeek 3
  }

ruleMmddyyyy :: Rule
ruleMmddyyyy = Rule
  { name = "mm/dd/yyyy"
  , pattern =
    [ regex "(0?[1-9]|1[0-2])[/-](3[01]|[12]\\d|0?[1-9])[-/](\\d{2,4})"
    ]
  , prod = \tokens -> case tokens of
      (Token RegexMatch (GroupMatch (mm:dd:yy:_)):_) -> do
        y <- parseInt yy
        m <- parseInt mm
        d <- parseInt dd
        Just . Token Time $ yearMonthDay y m d
      _ -> Nothing
  }

ruleEoyendOfYear :: Rule
ruleEoyendOfYear = Rule
  { name = "EOY|End of year"
  , pattern =
    [ regex "sf(a|\x00e2)r(s|\x0219)itul anului"
    ]
  , prod = \_ -> Just . Token Time $ cycleNth TG.Year 1
  }

ruleMothersDay :: Rule
ruleMothersDay = Rule
  { name = "Mother's Day"
  , pattern =
    [ regex "ziua (mamei|memeii)"
    ]
  , prod = \_ -> Just . Token Time $ nthDOWOfMonth 1 7 5
  }

ruleNameddayDayofmonthNumeral :: Rule
ruleNameddayDayofmonthNumeral = Rule
  { name = "<named-day> <day-of-month> (number)"
  , pattern =
    [ Predicate isADayOfWeek
    , Predicate isDOMInteger
    ]
  , prod = \tokens -> case tokens of
      (Token Time td:token:_) -> Token Time <$> intersectDOM td token
      _ -> Nothing
  }

ruleNamedmonth9 :: Rule
ruleNamedmonth9 = Rule
  { name = "named-month"
  , pattern =
    [ regex "sept(embrie)?"
    ]
  , prod = \_ -> Just . Token Time $ month 9
  }

ruleHhmmss :: Rule
ruleHhmmss = Rule
  { name = "hh:mm:ss"
  , pattern =
    [ regex "((?:[01]?\\d)|(?:2[0-3]))[:.]([0-5]\\d)[:.]([0-5]\\d)"
    ]
  , prod = \tokens -> case tokens of
      (Token RegexMatch (GroupMatch (hh:mm:ss:_)):_) -> do
        h <- parseInt hh
        m <- parseInt mm
        s <- parseInt ss
        Just . Token Time $ hourMinuteSecond True h m s
      _ -> Nothing
  }

rules :: [Rule]
rules =
  [ ruleAboutTimeofday
  , ruleAbsorptionOfAfterNamedDay
  , ruleAcum
  , ruleAfterTimeofday
  , ruleAzi
  , ruleBetweenTimeofdayAndTimeofdayInterval
  , ruleBlackFriday
  , ruleByTheEndOfTime
  , ruleByTime
  , ruleChristmasEve
  , ruleCraciun
  , ruleCycleAcesta
  , ruleCycleAcesta2
  , ruleCycleTrecut
  , ruleCycleUrmatoare
  , ruleDayofmonthNonOrdinalNamedmonth
  , ruleDayofmonthNonOrdinalOfNamedmonth
  , ruleDayofmonthNumeral
  , ruleDayofmonthNumeralOfNamedmonth
  , ruleDayofmonthnumberNamedmonth
  , ruleDayofmonthnumberNamedmonthYear
  , ruleDdmm
  , ruleDdmmyyyy
  , ruleDimineata
  , ruleDiseara
  , ruleDupaDuration
  , ruleDupamiaza
  , ruleDurationDeAcum
  , ruleDurationInUrma
  , ruleDurationInainteDeTime
  , ruleEomendOfMonth
  , ruleEoyendOfYear
  , ruleFromTimeofdayTimeofdayInterval
  , ruleHalloweenDay
  , ruleHhmm
  , ruleHhmmss
  , ruleHourofdayIntegerAsRelativeMinutes
  , ruleHourofdayJumatate
  , ruleHourofdaySfert
  , ruleIeri
  , ruleInDuration
  , ruleInNamedmonth
  , ruleIntersect
  , ruleIntersectBy
  , ruleIntreDatetimeSiDatetimeInterval
  , ruleIntroNamedday
  , ruleLaTimeofday
  , ruleLastCycleOfTime
  , ruleLastDayofweekOfTime
  , ruleMaine
  , ruleMmdd
  , ruleMmddyyyy
  , ruleMonthDdddInterval
  , ruleMothersDay
  , ruleNamedday
  , ruleNamedday2
  , ruleNamedday3
  , ruleNamedday4
  , ruleNamedday5
  , ruleNamedday6
  , ruleNamedday7
  , ruleNameddayDayofmonthNumeral
  , ruleNameddayPeDayofmonthNumeral
  , ruleNamedmonth
  , ruleNamedmonth10
  , ruleNamedmonth11
  , ruleNamedmonth12
  , ruleNamedmonth2
  , ruleNamedmonth3
  , ruleNamedmonth4
  , ruleNamedmonth5
  , ruleNamedmonth6
  , ruleNamedmonth7
  , ruleNamedmonth8
  , ruleNamedmonth9
  , ruleNamedmonthDayofmonthNonOrdinal
  , ruleNewYearsDay
  , ruleNewYearsEve
  , ruleNoon
  , ruleNthTimeAfterTime
  , ruleNthTimeOfTime
  , ruleOrdinalTrimestru
  , ruleOrdinalTrimestruYear
  , rulePartofdayAsta
  , rulePeDate
  , rulePeDayofmonthNonOrdinal
  , rulePentruDuration
  , ruleSearaNoapte
  , ruleSeason
  , ruleSeason2
  , ruleSeason3
  , ruleSezonAnotimp
  , ruleSinceTimeofday
  , ruleTheDayofmonthNumeral
  , ruleThisnextDayofweek
  , ruleTimeAceastaacestaasta
  , ruleTimePartofday
  , ruleTimezone
  , ruleTimeTrecuta
  , ruleTimeUrmatoarer
  , ruleTimeofdayFix
  , ruleTimeofdayLatent
  , ruleTrimestruNumeralYear
  , ruleUltimaCycle
  , ruleUltimeleNCycle
  , ruleUntilTimeofday
  , ruleUrmatoareaCycle
  , ruleUrmatoareleNCycle
  , ruleValentinesDay
  , ruleWeekend
  , ruleYear
  , ruleYearLatent
  , ruleYearLatent2
  , ruleYyyymmdd
  ]