{-# LANGUAGE TemplateHaskell #-}

module PayPal.Adaptive.Core.PayResponse.PaymentInfo.TransactionStatus where

import           Data.Aeson.TH
import           Data.Aeson.Types (camelTo)
import           Data.Char (toUpper)

import           Import

-- | PaymentInfos have both a transactionStatus and senderTransactionStatus field.
-- As far as I can tell the same data type can represent both of them.
-- The comments for the data constructors come from senderTransactionStatus.
--
-- https://developer.paypal.com/docs/classic/api/adaptive-payments/Pay_API_Operation/
data TransactionStatus
  = TsCreated
  -- ^ CREATED – The payment request was received; funds will be transferred once approval is received
  | TsPending
  -- ^ PENDING – The transaction is awaiting further processing
  | TsProcessing
  -- ^ PROCESSING – The transaction is in progress
  | TsCompleted
  -- ^ COMPLETED – The sender's transaction has completed
  | TsDenied
  -- ^ DENIED – The transaction was rejected by the receiver
  | TsFailed
  -- ^ FAILED – The payment failed
  | TsRefunded
  -- ^ REFUNDED – The payment was refunded
  | TsPartiallyRefunded
  -- ^ PARTIALLY_REFUNDED – Transaction was partially refunded
  | TsReversed
  -- ^ REVERSED – The payment was returned to the sender
  deriving (Eq, Show, Read)

$(deriveFromJSON defaultOptions { constructorTagModifier = map toUpper . camelTo '_' . drop 2 } ''TransactionStatus)
$(makePrisms ''TransactionStatus)