module TD.Data.CurrencyExchangeRate
  (CurrencyExchangeRate(..)) where

import qualified Data.Aeson as A
import qualified Data.Aeson.Types as AT
import qualified TD.Lib.Internal as I
import qualified Data.Text as T

data CurrencyExchangeRate
  = CurrencyExchangeRate -- ^ Describes exchange rate of a currency to USD
    { CurrencyExchangeRate -> Maybe Text
currency :: Maybe T.Text -- ^ ISO 4217 currency code of the payment currency
    , CurrencyExchangeRate -> Maybe Double
rate     :: Maybe Double -- ^ Exchange rate of the currency to USD
    }
  deriving (CurrencyExchangeRate -> CurrencyExchangeRate -> Bool
(CurrencyExchangeRate -> CurrencyExchangeRate -> Bool)
-> (CurrencyExchangeRate -> CurrencyExchangeRate -> Bool)
-> Eq CurrencyExchangeRate
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: CurrencyExchangeRate -> CurrencyExchangeRate -> Bool
== :: CurrencyExchangeRate -> CurrencyExchangeRate -> Bool
$c/= :: CurrencyExchangeRate -> CurrencyExchangeRate -> Bool
/= :: CurrencyExchangeRate -> CurrencyExchangeRate -> Bool
Eq, Int -> CurrencyExchangeRate -> ShowS
[CurrencyExchangeRate] -> ShowS
CurrencyExchangeRate -> String
(Int -> CurrencyExchangeRate -> ShowS)
-> (CurrencyExchangeRate -> String)
-> ([CurrencyExchangeRate] -> ShowS)
-> Show CurrencyExchangeRate
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> CurrencyExchangeRate -> ShowS
showsPrec :: Int -> CurrencyExchangeRate -> ShowS
$cshow :: CurrencyExchangeRate -> String
show :: CurrencyExchangeRate -> String
$cshowList :: [CurrencyExchangeRate] -> ShowS
showList :: [CurrencyExchangeRate] -> ShowS
Show)

instance I.ShortShow CurrencyExchangeRate where
  shortShow :: CurrencyExchangeRate -> String
shortShow CurrencyExchangeRate
    { currency :: CurrencyExchangeRate -> Maybe Text
currency = Maybe Text
currency_
    , rate :: CurrencyExchangeRate -> Maybe Double
rate     = Maybe Double
rate_
    }
      = String
"CurrencyExchangeRate"
        String -> ShowS
forall a. [a] -> [a] -> [a]
++ [String] -> String
I.cc
        [ String
"currency" String -> Maybe Text -> String
forall a. ShortShow a => String -> Maybe a -> String
`I.p` Maybe Text
currency_
        , String
"rate"     String -> Maybe Double -> String
forall a. ShortShow a => String -> Maybe a -> String
`I.p` Maybe Double
rate_
        ]

instance AT.FromJSON CurrencyExchangeRate where
  parseJSON :: Value -> Parser CurrencyExchangeRate
parseJSON v :: Value
v@(AT.Object Object
obj) = do
    String
t <- Object
obj Object -> Key -> Parser String
forall a. FromJSON a => Object -> Key -> Parser a
A..: Key
"@type" :: AT.Parser String

    case String
t of
      String
"currencyExchangeRate" -> Value -> Parser CurrencyExchangeRate
parseCurrencyExchangeRate Value
v
      String
_                      -> Parser CurrencyExchangeRate
forall a. Monoid a => a
mempty
    
    where
      parseCurrencyExchangeRate :: A.Value -> AT.Parser CurrencyExchangeRate
      parseCurrencyExchangeRate :: Value -> Parser CurrencyExchangeRate
parseCurrencyExchangeRate = String
-> (Object -> Parser CurrencyExchangeRate)
-> Value
-> Parser CurrencyExchangeRate
forall a. String -> (Object -> Parser a) -> Value -> Parser a
A.withObject String
"CurrencyExchangeRate" ((Object -> Parser CurrencyExchangeRate)
 -> Value -> Parser CurrencyExchangeRate)
-> (Object -> Parser CurrencyExchangeRate)
-> Value
-> Parser CurrencyExchangeRate
forall a b. (a -> b) -> a -> b
$ \Object
o -> do
        Maybe Text
currency_ <- Object
o Object -> Key -> Parser (Maybe Text)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
A..:?  Key
"currency"
        Maybe Double
rate_     <- Object
o Object -> Key -> Parser (Maybe Double)
forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
A..:?  Key
"rate"
        CurrencyExchangeRate -> Parser CurrencyExchangeRate
forall a. a -> Parser a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (CurrencyExchangeRate -> Parser CurrencyExchangeRate)
-> CurrencyExchangeRate -> Parser CurrencyExchangeRate
forall a b. (a -> b) -> a -> b
$ CurrencyExchangeRate
          { currency :: Maybe Text
currency = Maybe Text
currency_
          , rate :: Maybe Double
rate     = Maybe Double
rate_
          }
  parseJSON Value
_ = Parser CurrencyExchangeRate
forall a. Monoid a => a
mempty