content: -- 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.AmountOfMoney.KO.Rules
    ( rules
    ) where
  
  import Data.Maybe
  import Data.String
  import Prelude
  
  import Duckling.Dimensions.Types
  import Duckling.AmountOfMoney.Helpers
  import Duckling.AmountOfMoney.Types (Currency(..), AmountOfMoneyData (..))
  import Duckling.Numeral.Helpers (isNatural, isPositive)
  import Duckling.Numeral.Types (NumeralData (..))
  import Duckling.Types
  import qualified Duckling.AmountOfMoney.Types as TAmountOfMoney
  import qualified Duckling.Numeral.Types as TNumeral
  
  ruleUnitAmount :: Rule
  ruleUnitAmount = Rule
    { name = "<unit> <amount>"
    , pattern =
      [ Predicate isCurrencyOnly
      , Predicate isPositive
      ]
    , prod = \case
        (Token AmountOfMoney AmountOfMoneyData{TAmountOfMoney.currency = c}:
         Token Numeral NumeralData{TNumeral.value = v}:
         _) -> Just . Token AmountOfMoney . withValue v $ currencyOnly c
        _ -> Nothing
    }
  
  ruleAmountofmoneyAbout :: Rule
  ruleAmountofmoneyAbout = Rule
    { name = "<amount-of-money> about"
    , pattern =
      [ Predicate isMoneyWithValue
      , regex "정도|쯤"
      ]
    , prod = \tokens -> case tokens of
        (token:_) -> Just token
        _ -> Nothing
    }
  
  ruleAud :: Rule
  ruleAud = Rule
    { name = "AUD"
    , pattern =
      [ regex "호주달러"
      ]
    , prod = \_ -> Just . Token AmountOfMoney $ currencyOnly AUD
    }
  
  ruleKrw :: Rule
  ruleKrw = Rule
    { name = "₩"
    , pattern =
      [ regex "₩|원"
      ]
    , prod = \_ -> Just . Token AmountOfMoney $ currencyOnly KRW
    }
  
  ruleAboutAmountofmoney :: Rule
  ruleAboutAmountofmoney = Rule
    { name = "about <amount-of-money>"
    , pattern =
      [ regex "약|대충|얼추"
      , Predicate isMoneyWithValue
      ]
    , prod = \tokens -> case tokens of
        (_:token:_) -> Just token
        _ -> Nothing
    }
  
  ruleCent :: Rule
  ruleCent = Rule
    { name = "cent"
    , pattern =
      [ regex "센트"
      ]
    , prod = \_ -> Just . Token AmountOfMoney $ currencyOnly Cent
    }
  
  ruleExactlyAmountofmoney :: Rule
  ruleExactlyAmountofmoney = Rule
    { name = "exactly <amount-of-money>"
    , pattern =
      [ regex "딱|정확히"
      , Predicate isMoneyWithValue
      ]
    , prod = \tokens -> case tokens of
        (_:token:_) -> Just token
        _ -> Nothing
    }
  
  ruleIntersectXCents :: Rule
  ruleIntersectXCents = Rule
    { name = "intersect (X cents)"
    , pattern =
      [ Predicate isWithoutCents
      , Predicate isCents
      ]
    , prod = \tokens -> case tokens of
        (Token AmountOfMoney fd:
         Token AmountOfMoney AmountOfMoneyData{TAmountOfMoney.value = Just c}:
         _) -> Just . Token AmountOfMoney $ withCents c fd
        _ -> Nothing
    }
  
  ruleEuro :: Rule
  ruleEuro = Rule
    { name = "€"
    , pattern =
      [ regex "€|유로"
      ]
    , prod = \_ -> Just . Token AmountOfMoney $ currencyOnly EUR
    }
  
  ruleDollar :: Rule
  ruleDollar = Rule
    { name = "$"
    , pattern =
      [ regex "달러|불"
      ]
    , prod = \_ -> Just . Token AmountOfMoney $ currencyOnly Dollar
    }
  
  ruleInr :: Rule
  ruleInr = Rule
    { name = "INR"
    , pattern =
      [ regex "루피|인도루피"
      ]
    , prod = \_ -> Just . Token AmountOfMoney $ currencyOnly INR
    }
  
  rulePounds :: Rule
  rulePounds = Rule
    { name = "£"
    , pattern =
      [ regex "파운드|영국파운드"
      ]
    , prod = \_ -> Just . Token AmountOfMoney $ currencyOnly Pound
    }
  
  ruleDirham :: Rule
  ruleDirham = Rule
    { name = "dirham"
    , pattern =
      [ regex "디르함"
      ]
    , prod = \_ -> Just . Token AmountOfMoney $ currencyOnly AED
    }
  
  ruleIntervalBetweenNumeral :: Rule
  ruleIntervalBetweenNumeral = Rule
    { name = "between|from <numeral> to|and <amount-of-money>"
    , pattern =
      [ Predicate isPositive
      , regex "에서"
      , Predicate isSimpleAmountOfMoney
      ]
    , prod = \case
        (Token Numeral NumeralData {TNumeral.value = from}:
         _:
         Token AmountOfMoney AmountOfMoneyData {TAmountOfMoney.value = Just to, TAmountOfMoney.currency = c}:
         _) ->
          (Just (Token AmountOfMoney $ withInterval (from, to) $ currencyOnly c))
        _ -> Nothing
    }
  
  ruleIntervalBetween :: Rule
  ruleIntervalBetween = Rule
    { name = "between|from <amount-of-money> to|and <amount-of-money>"
    , pattern =
      [ Predicate isSimpleAmountOfMoney
      , regex "부터"
      , Predicate isSimpleAmountOfMoney
      ]
    , prod = \case
        (Token AmountOfMoney AmountOfMoneyData {TAmountOfMoney.value = Just from, TAmountOfMoney.currency = c1}:
         _:
         Token AmountOfMoney AmountOfMoneyData {TAmountOfMoney.value = Just to, TAmountOfMoney.currency = c2}:
         _) | c1 == c2 ->
          (Just (Token AmountOfMoney $ withInterval (from, to) $ currencyOnly c1))
        _ -> Nothing
    }
  
  ruleIntervalNumeralDash :: Rule
  ruleIntervalNumeralDash = Rule
    { name = "<numeral> - <amount-of-money>"
    , pattern =
      [ Predicate isNatural
      , regex "-"
      , Predicate isSimpleAmountOfMoney
      ]
    , prod = \case
        (Token Numeral NumeralData {TNumeral.value = from}:
         _:
         Token AmountOfMoney AmountOfMoneyData {TAmountOfMoney.value = Just to, TAmountOfMoney.currency = c}:
         _) ->
          (Just (Token AmountOfMoney $ withInterval (from, to) $ currencyOnly c))
        _ -> Nothing
    }
  
  ruleIntervalDash :: Rule
  ruleIntervalDash = Rule
    { name = "<amount-of-money> - <amount-of-money>"
    , pattern =
      [ Predicate isSimpleAmountOfMoney
      , regex "-"
      , Predicate isSimpleAmountOfMoney
      ]
    , prod = \case
        (Token AmountOfMoney AmountOfMoneyData {TAmountOfMoney.value = Just from, TAmountOfMoney.currency = c1}:
         _:
         Token AmountOfMoney AmountOfMoneyData {TAmountOfMoney.value = Just to, TAmountOfMoney.currency = c2}:
         _) | c1 == c2 ->
          (Just (Token AmountOfMoney $ withInterval (from, to) $ currencyOnly c1))
        _ -> Nothing
    }
  
  ruleIntervalMax :: Rule
  ruleIntervalMax = Rule
    { name = "under/less/lower/no more than <amount-of-money>"
    , pattern =
      [ Predicate isSimpleAmountOfMoney
      , regex "미만|이하"
      ]
    , prod = \case
        (Token AmountOfMoney AmountOfMoneyData {TAmountOfMoney.value = Just to, TAmountOfMoney.currency = c}:
         _:
         _) -> (Just (Token AmountOfMoney $ withMax to $ currencyOnly c))
        _ -> Nothing
    }
  
  ruleIntervalMin :: Rule
  ruleIntervalMin = Rule
    { name = "over/above/at least/more than <amount-of-money>"
    , pattern =
      [ Predicate isSimpleAmountOfMoney
      , regex "초과|이상"
      ]
    , prod = \case
        (Token AmountOfMoney AmountOfMoneyData {TAmountOfMoney.value = Just to, TAmountOfMoney.currency = c}:
         _:
         _) -> (Just (Token AmountOfMoney $ withMin to $ currencyOnly c))
        _ -> Nothing
    }
  
  
  rules :: [Rule]
  rules =
    [ ruleUnitAmount
    , ruleAboutAmountofmoney
    , ruleAmountofmoneyAbout
    , ruleAud
    , ruleCent
    , ruleDirham
    , ruleDollar
    , ruleEuro
    , ruleExactlyAmountofmoney
    , ruleInr
    , ruleIntersectXCents
    , ruleKrw
    , rulePounds
    , ruleIntervalBetweenNumeral
    , ruleIntervalBetween
    , ruleIntervalNumeralDash
    , ruleIntervalDash
    , ruleIntervalMax
    , ruleIntervalMin
    ]
  