module TD.Data.TransactionDirection
  (TransactionDirection(..)) where

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

-- | Describes direction of transactions in a transaction list
data TransactionDirection
  = TransactionDirectionIncoming -- ^ The transaction is incoming and increases the amount of owned currency
  | TransactionDirectionOutgoing -- ^ The transaction is outgoing and decreases the amount of owned currency
  deriving (TransactionDirection -> TransactionDirection -> Bool
(TransactionDirection -> TransactionDirection -> Bool)
-> (TransactionDirection -> TransactionDirection -> Bool)
-> Eq TransactionDirection
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: TransactionDirection -> TransactionDirection -> Bool
== :: TransactionDirection -> TransactionDirection -> Bool
$c/= :: TransactionDirection -> TransactionDirection -> Bool
/= :: TransactionDirection -> TransactionDirection -> Bool
Eq, Int -> TransactionDirection -> ShowS
[TransactionDirection] -> ShowS
TransactionDirection -> String
(Int -> TransactionDirection -> ShowS)
-> (TransactionDirection -> String)
-> ([TransactionDirection] -> ShowS)
-> Show TransactionDirection
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: Int -> TransactionDirection -> ShowS
showsPrec :: Int -> TransactionDirection -> ShowS
$cshow :: TransactionDirection -> String
show :: TransactionDirection -> String
$cshowList :: [TransactionDirection] -> ShowS
showList :: [TransactionDirection] -> ShowS
Show)

instance I.ShortShow TransactionDirection where
  shortShow :: TransactionDirection -> String
shortShow TransactionDirection
TransactionDirectionIncoming
      = String
"TransactionDirectionIncoming"
  shortShow TransactionDirection
TransactionDirectionOutgoing
      = String
"TransactionDirectionOutgoing"

instance AT.FromJSON TransactionDirection where
  parseJSON :: Value -> Parser TransactionDirection
parseJSON (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
"transactionDirectionIncoming" -> TransactionDirection -> Parser TransactionDirection
forall a. a -> Parser a
forall (f :: * -> *) a. Applicative f => a -> f a
pure TransactionDirection
TransactionDirectionIncoming
      String
"transactionDirectionOutgoing" -> TransactionDirection -> Parser TransactionDirection
forall a. a -> Parser a
forall (f :: * -> *) a. Applicative f => a -> f a
pure TransactionDirection
TransactionDirectionOutgoing
      String
_                              -> Parser TransactionDirection
forall a. Monoid a => a
mempty
    
  parseJSON Value
_ = Parser TransactionDirection
forall a. Monoid a => a
mempty

instance AT.ToJSON TransactionDirection where
  toJSON :: TransactionDirection -> Value
toJSON TransactionDirection
TransactionDirectionIncoming
      = [Pair] -> Value
A.object
        [ Key
"@type" Key -> Value -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
forall v. ToJSON v => Key -> v -> Pair
A..= Text -> Value
AT.String Text
"transactionDirectionIncoming"
        ]
  toJSON TransactionDirection
TransactionDirectionOutgoing
      = [Pair] -> Value
A.object
        [ Key
"@type" Key -> Value -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
forall v. ToJSON v => Key -> v -> Pair
A..= Text -> Value
AT.String Text
"transactionDirectionOutgoing"
        ]