{-# LANGUAGE RecordWildCards            #-}
{-# LANGUAGE OverloadedStrings          #-}

module Database.Bloodhound.Internal.PointInTime where

import           Bloodhound.Import

data PointInTime = PointInTime
  { pPitId :: Text
  , keepAlive :: Text
  } deriving (Eq, Show)

instance ToJSON PointInTime where
  toJSON PointInTime{..} =
    object [ "id" .= pPitId
           , "keep_alive" .= keepAlive ]

instance FromJSON PointInTime where
  parseJSON (Object o) = PointInTime <$> o .: "id" <*> o .: "keep_alive"
  parseJSON x = typeMismatch "PointInTime" x

data OpenPointInTimeResponse = OpenPointInTimeResponse {
    oPitId :: Text
} deriving (Eq, Show)

instance ToJSON OpenPointInTimeResponse where
    toJSON OpenPointInTimeResponse{..} =
        object [ "id" .= oPitId]

instance FromJSON OpenPointInTimeResponse where
  parseJSON (Object o) = OpenPointInTimeResponse <$> o .: "id"
  parseJSON x = typeMismatch "OpenPointInTimeResponse" x

data ClosePointInTime = ClosePointInTime {
    cPitId :: Text
} deriving (Eq, Show)

instance ToJSON ClosePointInTime where
    toJSON ClosePointInTime{..} =
        object [ "id" .= cPitId]

instance FromJSON ClosePointInTime where
  parseJSON (Object o) = ClosePointInTime <$> o .: "id"
  parseJSON x = typeMismatch "ClosePointInTime" x

data ClosePointInTimeResponse = ClosePointInTimeResponse {
    succeeded :: Bool,
    numFreed :: Int
} deriving (Eq, Show)

instance ToJSON ClosePointInTimeResponse where
    toJSON ClosePointInTimeResponse{..} =
        object [ "succeeded" .= succeeded
               , "num_freed" .= numFreed]

instance FromJSON ClosePointInTimeResponse where
  parseJSON (Object o) = do
    succeeded' <- o .: "succeeded"
    numFreed' <- o .: "num_freed"
    return $ ClosePointInTimeResponse succeeded' numFreed'
  parseJSON x = typeMismatch "ClosePointInTimeResponse" x