{-# 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.ElastiCache.PurchaseReservedCacheNodesOffering
-- 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)
--
-- The /PurchaseReservedCacheNodesOffering/ action allows you to purchase a
-- reserved cache node offering.
module Network.AWS.ElastiCache.PurchaseReservedCacheNodesOffering
    (
    -- * Creating a Request
      purchaseReservedCacheNodesOffering
    , PurchaseReservedCacheNodesOffering
    -- * Request Lenses
    , prcnoCacheNodeCount
    , prcnoReservedCacheNodeId
    , prcnoReservedCacheNodesOfferingId

    -- * Destructuring the Response
    , purchaseReservedCacheNodesOfferingResponse
    , PurchaseReservedCacheNodesOfferingResponse
    -- * Response Lenses
    , prcnorsReservedCacheNode
    , prcnorsResponseStatus
    ) where

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

-- | Represents the input of a /PurchaseReservedCacheNodesOffering/ action.
--
-- /See:/ 'purchaseReservedCacheNodesOffering' smart constructor.
data PurchaseReservedCacheNodesOffering = PurchaseReservedCacheNodesOffering'
    { _prcnoCacheNodeCount               :: !(Maybe Int)
    , _prcnoReservedCacheNodeId          :: !(Maybe Text)
    , _prcnoReservedCacheNodesOfferingId :: !Text
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'PurchaseReservedCacheNodesOffering' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'prcnoCacheNodeCount'
--
-- * 'prcnoReservedCacheNodeId'
--
-- * 'prcnoReservedCacheNodesOfferingId'
purchaseReservedCacheNodesOffering
    :: Text -- ^ 'prcnoReservedCacheNodesOfferingId'
    -> PurchaseReservedCacheNodesOffering
purchaseReservedCacheNodesOffering pReservedCacheNodesOfferingId_ =
    PurchaseReservedCacheNodesOffering'
    { _prcnoCacheNodeCount = Nothing
    , _prcnoReservedCacheNodeId = Nothing
    , _prcnoReservedCacheNodesOfferingId = pReservedCacheNodesOfferingId_
    }

-- | The number of cache node instances to reserve.
--
-- Default: '1'
prcnoCacheNodeCount :: Lens' PurchaseReservedCacheNodesOffering (Maybe Int)
prcnoCacheNodeCount = lens _prcnoCacheNodeCount (\ s a -> s{_prcnoCacheNodeCount = a});

-- | A customer-specified identifier to track this reservation.
--
-- __Note:__
-- The Reserved Cache Node ID is an unique customer-specified identifier to
-- track this reservation. If this parameter is not specified, ElastiCache
-- automatically generates an identifier for the reservation.
--
-- Example: myreservationID
prcnoReservedCacheNodeId :: Lens' PurchaseReservedCacheNodesOffering (Maybe Text)
prcnoReservedCacheNodeId = lens _prcnoReservedCacheNodeId (\ s a -> s{_prcnoReservedCacheNodeId = a});

-- | The ID of the reserved cache node offering to purchase.
--
-- Example: 438012d3-4052-4cc7-b2e3-8d3372e0e706
prcnoReservedCacheNodesOfferingId :: Lens' PurchaseReservedCacheNodesOffering Text
prcnoReservedCacheNodesOfferingId = lens _prcnoReservedCacheNodesOfferingId (\ s a -> s{_prcnoReservedCacheNodesOfferingId = a});

instance AWSRequest
         PurchaseReservedCacheNodesOffering where
        type Rs PurchaseReservedCacheNodesOffering =
             PurchaseReservedCacheNodesOfferingResponse
        request = postQuery elastiCache
        response
          = receiveXMLWrapper
              "PurchaseReservedCacheNodesOfferingResult"
              (\ s h x ->
                 PurchaseReservedCacheNodesOfferingResponse' <$>
                   (x .@? "ReservedCacheNode") <*> (pure (fromEnum s)))

instance Hashable PurchaseReservedCacheNodesOffering

instance NFData PurchaseReservedCacheNodesOffering

instance ToHeaders PurchaseReservedCacheNodesOffering
         where
        toHeaders = const mempty

instance ToPath PurchaseReservedCacheNodesOffering
         where
        toPath = const "/"

instance ToQuery PurchaseReservedCacheNodesOffering
         where
        toQuery PurchaseReservedCacheNodesOffering'{..}
          = mconcat
              ["Action" =:
                 ("PurchaseReservedCacheNodesOffering" :: ByteString),
               "Version" =: ("2015-02-02" :: ByteString),
               "CacheNodeCount" =: _prcnoCacheNodeCount,
               "ReservedCacheNodeId" =: _prcnoReservedCacheNodeId,
               "ReservedCacheNodesOfferingId" =:
                 _prcnoReservedCacheNodesOfferingId]

-- | /See:/ 'purchaseReservedCacheNodesOfferingResponse' smart constructor.
data PurchaseReservedCacheNodesOfferingResponse = PurchaseReservedCacheNodesOfferingResponse'
    { _prcnorsReservedCacheNode :: !(Maybe ReservedCacheNode)
    , _prcnorsResponseStatus    :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'PurchaseReservedCacheNodesOfferingResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'prcnorsReservedCacheNode'
--
-- * 'prcnorsResponseStatus'
purchaseReservedCacheNodesOfferingResponse
    :: Int -- ^ 'prcnorsResponseStatus'
    -> PurchaseReservedCacheNodesOfferingResponse
purchaseReservedCacheNodesOfferingResponse pResponseStatus_ =
    PurchaseReservedCacheNodesOfferingResponse'
    { _prcnorsReservedCacheNode = Nothing
    , _prcnorsResponseStatus = pResponseStatus_
    }

-- | Undocumented member.
prcnorsReservedCacheNode :: Lens' PurchaseReservedCacheNodesOfferingResponse (Maybe ReservedCacheNode)
prcnorsReservedCacheNode = lens _prcnorsReservedCacheNode (\ s a -> s{_prcnorsReservedCacheNode = a});

-- | The response status code.
prcnorsResponseStatus :: Lens' PurchaseReservedCacheNodesOfferingResponse Int
prcnorsResponseStatus = lens _prcnorsResponseStatus (\ s a -> s{_prcnorsResponseStatus = a});

instance NFData
         PurchaseReservedCacheNodesOfferingResponse