{-# 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.RDS.ModifyDBSubnetGroup
-- 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)
--
-- Modifies an existing DB subnet group. DB subnet groups must contain at
-- least one subnet in at least two AZs in the region.
--
-- /See:/ <http://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_ModifyDBSubnetGroup.html AWS API Reference> for ModifyDBSubnetGroup.
module Network.AWS.RDS.ModifyDBSubnetGroup
    (
    -- * Creating a Request
      modifyDBSubnetGroup
    , ModifyDBSubnetGroup
    -- * Request Lenses
    , mdsgDBSubnetGroupDescription
    , mdsgDBSubnetGroupName
    , mdsgSubnetIds

    -- * Destructuring the Response
    , modifyDBSubnetGroupResponse
    , ModifyDBSubnetGroupResponse
    -- * Response Lenses
    , mdsgrsDBSubnetGroup
    , mdsgrsStatus
    ) where

import           Network.AWS.Prelude
import           Network.AWS.RDS.Types
import           Network.AWS.RDS.Types.Product
import           Network.AWS.Request
import           Network.AWS.Response

-- |
--
-- /See:/ 'modifyDBSubnetGroup' smart constructor.
data ModifyDBSubnetGroup = ModifyDBSubnetGroup'
    { _mdsgDBSubnetGroupDescription :: !(Maybe Text)
    , _mdsgDBSubnetGroupName        :: !Text
    , _mdsgSubnetIds                :: ![Text]
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ModifyDBSubnetGroup' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'mdsgDBSubnetGroupDescription'
--
-- * 'mdsgDBSubnetGroupName'
--
-- * 'mdsgSubnetIds'
modifyDBSubnetGroup
    :: Text -- ^ 'mdsgDBSubnetGroupName'
    -> ModifyDBSubnetGroup
modifyDBSubnetGroup pDBSubnetGroupName_ =
    ModifyDBSubnetGroup'
    { _mdsgDBSubnetGroupDescription = Nothing
    , _mdsgDBSubnetGroupName = pDBSubnetGroupName_
    , _mdsgSubnetIds = mempty
    }

-- | The description for the DB subnet group.
mdsgDBSubnetGroupDescription :: Lens' ModifyDBSubnetGroup (Maybe Text)
mdsgDBSubnetGroupDescription = lens _mdsgDBSubnetGroupDescription (\ s a -> s{_mdsgDBSubnetGroupDescription = a});

-- | The name for the DB subnet group. This value is stored as a lowercase
-- string.
--
-- Constraints: Must contain no more than 255 alphanumeric characters or
-- hyphens. Must not be \"Default\".
--
-- Example: 'mySubnetgroup'
mdsgDBSubnetGroupName :: Lens' ModifyDBSubnetGroup Text
mdsgDBSubnetGroupName = lens _mdsgDBSubnetGroupName (\ s a -> s{_mdsgDBSubnetGroupName = a});

-- | The EC2 subnet IDs for the DB subnet group.
mdsgSubnetIds :: Lens' ModifyDBSubnetGroup [Text]
mdsgSubnetIds = lens _mdsgSubnetIds (\ s a -> s{_mdsgSubnetIds = a}) . _Coerce;

instance AWSRequest ModifyDBSubnetGroup where
        type Rs ModifyDBSubnetGroup =
             ModifyDBSubnetGroupResponse
        request = postQuery rDS
        response
          = receiveXMLWrapper "ModifyDBSubnetGroupResult"
              (\ s h x ->
                 ModifyDBSubnetGroupResponse' <$>
                   (x .@? "DBSubnetGroup") <*> (pure (fromEnum s)))

instance ToHeaders ModifyDBSubnetGroup where
        toHeaders = const mempty

instance ToPath ModifyDBSubnetGroup where
        toPath = const "/"

instance ToQuery ModifyDBSubnetGroup where
        toQuery ModifyDBSubnetGroup'{..}
          = mconcat
              ["Action" =: ("ModifyDBSubnetGroup" :: ByteString),
               "Version" =: ("2014-10-31" :: ByteString),
               "DBSubnetGroupDescription" =:
                 _mdsgDBSubnetGroupDescription,
               "DBSubnetGroupName" =: _mdsgDBSubnetGroupName,
               "SubnetIds" =:
                 toQueryList "SubnetIdentifier" _mdsgSubnetIds]

-- | /See:/ 'modifyDBSubnetGroupResponse' smart constructor.
data ModifyDBSubnetGroupResponse = ModifyDBSubnetGroupResponse'
    { _mdsgrsDBSubnetGroup :: !(Maybe DBSubnetGroup)
    , _mdsgrsStatus        :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ModifyDBSubnetGroupResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'mdsgrsDBSubnetGroup'
--
-- * 'mdsgrsStatus'
modifyDBSubnetGroupResponse
    :: Int -- ^ 'mdsgrsStatus'
    -> ModifyDBSubnetGroupResponse
modifyDBSubnetGroupResponse pStatus_ =
    ModifyDBSubnetGroupResponse'
    { _mdsgrsDBSubnetGroup = Nothing
    , _mdsgrsStatus = pStatus_
    }

-- | Undocumented member.
mdsgrsDBSubnetGroup :: Lens' ModifyDBSubnetGroupResponse (Maybe DBSubnetGroup)
mdsgrsDBSubnetGroup = lens _mdsgrsDBSubnetGroup (\ s a -> s{_mdsgrsDBSubnetGroup = a});

-- | The response status code.
mdsgrsStatus :: Lens' ModifyDBSubnetGroupResponse Int
mdsgrsStatus = lens _mdsgrsStatus (\ s a -> s{_mdsgrsStatus = a});