{-# 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) 2013-2015 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/.
--
-- /See:/ <http://docs.aws.amazon.com/AWSEC2/latest/APIReference/ApiReference-query-DescribeSpotDatafeedSubscription.html AWS API Reference> for DescribeSpotDatafeedSubscription.
module Network.AWS.EC2.DescribeSpotDatafeedSubscription
    (
    -- * Creating a Request
      describeSpotDatafeedSubscription
    , DescribeSpotDatafeedSubscription
    -- * Request Lenses
    , dsdsDryRun

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

import           Network.AWS.EC2.Types
import           Network.AWS.EC2.Types.Product
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 Sv DescribeSpotDatafeedSubscription = EC2
        type Rs DescribeSpotDatafeedSubscription =
             DescribeSpotDatafeedSubscriptionResponse
        request = post
        response
          = receiveXML
              (\ s h x ->
                 DescribeSpotDatafeedSubscriptionResponse' <$>
                   (x .@? "spotDatafeedSubscription") <*>
                     (pure (fromEnum s)))

instance ToHeaders DescribeSpotDatafeedSubscription
         where
        toHeaders = const mempty

instance ToPath DescribeSpotDatafeedSubscription
         where
        toPath = const "/"

instance ToQuery DescribeSpotDatafeedSubscription
         where
        toQuery DescribeSpotDatafeedSubscription'{..}
          = mconcat
              ["Action" =:
                 ("DescribeSpotDatafeedSubscription" :: ByteString),
               "Version" =: ("2015-04-15" :: ByteString),
               "DryRun" =: _dsdsDryRun]

-- | Contains the output of DescribeSpotDatafeedSubscription.
--
-- /See:/ 'describeSpotDatafeedSubscriptionResponse' smart constructor.
data DescribeSpotDatafeedSubscriptionResponse = DescribeSpotDatafeedSubscriptionResponse'
    { _dsdsrsSpotDatafeedSubscription :: !(Maybe SpotDatafeedSubscription)
    , _dsdsrsStatus                   :: !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'
--
-- * 'dsdsrsStatus'
describeSpotDatafeedSubscriptionResponse
    :: Int -- ^ 'dsdsrsStatus'
    -> DescribeSpotDatafeedSubscriptionResponse
describeSpotDatafeedSubscriptionResponse pStatus_ =
    DescribeSpotDatafeedSubscriptionResponse'
    { _dsdsrsSpotDatafeedSubscription = Nothing
    , _dsdsrsStatus = pStatus_
    }

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

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