{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE DeriveGeneric      #-}
{-# LANGUAGE OverloadedStrings  #-}
{-# LANGUAGE RecordWildCards    #-}
{-# LANGUAGE TypeFamilies       #-}

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

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Network.AWS.EC2.DescribeSpotDatafeedSubscription
-- Copyright   : (c) 2013-2016 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Describes the data feed for Spot instances. For more information, see <http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-data-feeds.html Spot Instance Data Feed> in the /Amazon Elastic Compute Cloud User Guide/.
module Network.AWS.EC2.DescribeSpotDatafeedSubscription
    (
    -- * Creating a Request
      describeSpotDatafeedSubscription
    , DescribeSpotDatafeedSubscription
    -- * Request Lenses
    , dsdsDryRun

    -- * Destructuring the Response
    , describeSpotDatafeedSubscriptionResponse
    , DescribeSpotDatafeedSubscriptionResponse
    -- * Response Lenses
    , dsdsrsSpotDatafeedSubscription
    , dsdsrsResponseStatus
    ) where

import           Network.AWS.EC2.Types
import           Network.AWS.EC2.Types.Product
import           Network.AWS.Lens
import           Network.AWS.Prelude
import           Network.AWS.Request
import           Network.AWS.Response

-- | Contains the parameters for DescribeSpotDatafeedSubscription.
--
-- /See:/ 'describeSpotDatafeedSubscription' smart constructor.
newtype DescribeSpotDatafeedSubscription = DescribeSpotDatafeedSubscription'
    { _dsdsDryRun :: Maybe Bool
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'DescribeSpotDatafeedSubscription' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'dsdsDryRun'
describeSpotDatafeedSubscription
    :: DescribeSpotDatafeedSubscription
describeSpotDatafeedSubscription =
    DescribeSpotDatafeedSubscription'
    { _dsdsDryRun = Nothing
    }

-- | Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is 'DryRunOperation'. Otherwise, it is 'UnauthorizedOperation'.
dsdsDryRun :: Lens' DescribeSpotDatafeedSubscription (Maybe Bool)
dsdsDryRun = lens _dsdsDryRun (\ s a -> s{_dsdsDryRun = a});

instance AWSRequest DescribeSpotDatafeedSubscription
         where
        type Rs DescribeSpotDatafeedSubscription =
             DescribeSpotDatafeedSubscriptionResponse
        request = postQuery ec2
        response
          = receiveXML
              (\ s h x ->
                 DescribeSpotDatafeedSubscriptionResponse' <$>
                   (x .@? "spotDatafeedSubscription") <*>
                     (pure (fromEnum s)))

instance Hashable DescribeSpotDatafeedSubscription

instance NFData DescribeSpotDatafeedSubscription

instance ToHeaders DescribeSpotDatafeedSubscription
         where
        toHeaders = const mempty

instance ToPath DescribeSpotDatafeedSubscription
         where
        toPath = const "/"

instance ToQuery DescribeSpotDatafeedSubscription
         where
        toQuery DescribeSpotDatafeedSubscription'{..}
          = mconcat
              ["Action" =:
                 ("DescribeSpotDatafeedSubscription" :: ByteString),
               "Version" =: ("2016-04-01" :: ByteString),
               "DryRun" =: _dsdsDryRun]

-- | Contains the output of DescribeSpotDatafeedSubscription.
--
-- /See:/ 'describeSpotDatafeedSubscriptionResponse' smart constructor.
data DescribeSpotDatafeedSubscriptionResponse = DescribeSpotDatafeedSubscriptionResponse'
    { _dsdsrsSpotDatafeedSubscription :: !(Maybe SpotDatafeedSubscription)
    , _dsdsrsResponseStatus           :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'DescribeSpotDatafeedSubscriptionResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'dsdsrsSpotDatafeedSubscription'
--
-- * 'dsdsrsResponseStatus'
describeSpotDatafeedSubscriptionResponse
    :: Int -- ^ 'dsdsrsResponseStatus'
    -> DescribeSpotDatafeedSubscriptionResponse
describeSpotDatafeedSubscriptionResponse pResponseStatus_ =
    DescribeSpotDatafeedSubscriptionResponse'
    { _dsdsrsSpotDatafeedSubscription = Nothing
    , _dsdsrsResponseStatus = pResponseStatus_
    }

-- | The Spot instance data feed subscription.
dsdsrsSpotDatafeedSubscription :: Lens' DescribeSpotDatafeedSubscriptionResponse (Maybe SpotDatafeedSubscription)
dsdsrsSpotDatafeedSubscription = lens _dsdsrsSpotDatafeedSubscription (\ s a -> s{_dsdsrsSpotDatafeedSubscription = a});

-- | The response status code.
dsdsrsResponseStatus :: Lens' DescribeSpotDatafeedSubscriptionResponse Int
dsdsrsResponseStatus = lens _dsdsrsResponseStatus (\ s a -> s{_dsdsrsResponseStatus = a});

instance NFData
         DescribeSpotDatafeedSubscriptionResponse