{-# LANGUAGE DataKinds                   #-}
{-# LANGUAGE DeriveGeneric               #-}
{-# LANGUAGE FlexibleInstances           #-}
{-# LANGUAGE GeneralizedNewtypeDeriving  #-}
{-# LANGUAGE LambdaCase                  #-}
{-# LANGUAGE NoImplicitPrelude           #-}
{-# LANGUAGE OverloadedStrings           #-}
{-# LANGUAGE RecordWildCards             #-}
{-# LANGUAGE TypeFamilies                #-}

{-# OPTIONS_GHC -fno-warn-unused-imports #-}

-- Module      : Network.AWS.StorageGateway.DeleteVolume
-- Copyright   : (c) 2013-2014 Brendan Hay <brendan.g.hay@gmail.com>
-- License     : This Source Code Form is subject to the terms of
--               the Mozilla Public License, v. 2.0.
--               A copy of the MPL can be found in the LICENSE file or
--               you can obtain it at http://mozilla.org/MPL/2.0/.
-- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
-- Stability   : experimental
-- Portability : non-portable (GHC extensions)
--
-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- | This operation delete the specified gateway volume that you previously
-- created using the 'CreateStorediSCSIVolume' API. For gateway-stored volumes,
-- the local disk that was configured as the storage volume is not deleted. You
-- can reuse the local disk to create another storage volume.
--
-- Before you delete a gateway volume, make sure there are no iSCSI connections
-- to the volume you are deleting. You should also make sure there is no
-- snapshot in progress. You can use the Amazon Elastic Compute Cloud (Amazon
-- EC2) API to query snapshots on the volume you are deleting and check the
-- snapshot status. For more information, go to <http://docs.aws.amazon.com/AWSEC2/latest/APIReference/ApiReference-query-DescribeSnapshots.html DescribeSnapshots> in the /AmazonElastic Compute Cloud API Reference/.
--
-- In the request, you must provide the Amazon Resource Name (ARN) of the
-- storage volume you want to delete.
--
-- <http://docs.aws.amazon.com/storagegateway/latest/APIReference/API_DeleteVolume.html>
module Network.AWS.StorageGateway.DeleteVolume
    (
    -- * Request
      DeleteVolume
    -- ** Request constructor
    , deleteVolume
    -- ** Request lenses
    , dvVolumeARN

    -- * Response
    , DeleteVolumeResponse
    -- ** Response constructor
    , deleteVolumeResponse
    -- ** Response lenses
    , dvrVolumeARN
    ) where

import Network.AWS.Prelude
import Network.AWS.Request.JSON
import Network.AWS.StorageGateway.Types
import qualified GHC.Exts

newtype DeleteVolume = DeleteVolume
    { _dvVolumeARN :: Text
    } deriving (Eq, Ord, Show, Monoid, IsString)

-- | 'DeleteVolume' constructor.
--
-- The fields accessible through corresponding lenses are:
--
-- * 'dvVolumeARN' @::@ 'Text'
--
deleteVolume :: Text -- ^ 'dvVolumeARN'
             -> DeleteVolume
deleteVolume p1 = DeleteVolume
    { _dvVolumeARN = p1
    }

-- | The Amazon Resource Name (ARN) of the volume. Use the 'ListVolumes' operation
-- to return a list of gateway volumes.
dvVolumeARN :: Lens' DeleteVolume Text
dvVolumeARN = lens _dvVolumeARN (\s a -> s { _dvVolumeARN = a })

newtype DeleteVolumeResponse = DeleteVolumeResponse
    { _dvrVolumeARN :: Maybe Text
    } deriving (Eq, Ord, Show, Monoid)

-- | 'DeleteVolumeResponse' constructor.
--
-- The fields accessible through corresponding lenses are:
--
-- * 'dvrVolumeARN' @::@ 'Maybe' 'Text'
--
deleteVolumeResponse :: DeleteVolumeResponse
deleteVolumeResponse = DeleteVolumeResponse
    { _dvrVolumeARN = Nothing
    }

-- | The Amazon Resource Name (ARN) of the storage volume that was deleted. It is
-- the same ARN you provided in the request.
dvrVolumeARN :: Lens' DeleteVolumeResponse (Maybe Text)
dvrVolumeARN = lens _dvrVolumeARN (\s a -> s { _dvrVolumeARN = a })

instance ToPath DeleteVolume where
    toPath = const "/"

instance ToQuery DeleteVolume where
    toQuery = const mempty

instance ToHeaders DeleteVolume

instance ToJSON DeleteVolume where
    toJSON DeleteVolume{..} = object
        [ "VolumeARN" .= _dvVolumeARN
        ]

instance AWSRequest DeleteVolume where
    type Sv DeleteVolume = StorageGateway
    type Rs DeleteVolume = DeleteVolumeResponse

    request  = post "DeleteVolume"
    response = jsonResponse

instance FromJSON DeleteVolumeResponse where
    parseJSON = withObject "DeleteVolumeResponse" $ \o -> DeleteVolumeResponse
        <$> o .:? "VolumeARN"