{-# 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.AttachVPNGateway
-- 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)
--
-- Attaches a virtual private gateway to a VPC. For more information, see <http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_VPN.html Adding a Hardware Virtual Private Gateway to Your VPC> in the /Amazon Virtual Private Cloud User Guide/.
module Network.AWS.EC2.AttachVPNGateway
    (
    -- * Creating a Request
      attachVPNGateway
    , AttachVPNGateway
    -- * Request Lenses
    , avgDryRun
    , avgVPNGatewayId
    , avgVPCId

    -- * Destructuring the Response
    , attachVPNGatewayResponse
    , AttachVPNGatewayResponse
    -- * Response Lenses
    , avgrsVPCAttachment
    , avgrsResponseStatus
    ) 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 AttachVpnGateway.
--
-- /See:/ 'attachVPNGateway' smart constructor.
data AttachVPNGateway = AttachVPNGateway'
    { _avgDryRun       :: !(Maybe Bool)
    , _avgVPNGatewayId :: !Text
    , _avgVPCId        :: !Text
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'AttachVPNGateway' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'avgDryRun'
--
-- * 'avgVPNGatewayId'
--
-- * 'avgVPCId'
attachVPNGateway
    :: Text -- ^ 'avgVPNGatewayId'
    -> Text -- ^ 'avgVPCId'
    -> AttachVPNGateway
attachVPNGateway pVPNGatewayId_ pVPCId_ =
    AttachVPNGateway'
    { _avgDryRun = Nothing
    , _avgVPNGatewayId = pVPNGatewayId_
    , _avgVPCId = pVPCId_
    }

-- | 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'.
avgDryRun :: Lens' AttachVPNGateway (Maybe Bool)
avgDryRun = lens _avgDryRun (\ s a -> s{_avgDryRun = a});

-- | The ID of the virtual private gateway.
avgVPNGatewayId :: Lens' AttachVPNGateway Text
avgVPNGatewayId = lens _avgVPNGatewayId (\ s a -> s{_avgVPNGatewayId = a});

-- | The ID of the VPC.
avgVPCId :: Lens' AttachVPNGateway Text
avgVPCId = lens _avgVPCId (\ s a -> s{_avgVPCId = a});

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

instance Hashable AttachVPNGateway

instance NFData AttachVPNGateway

instance ToHeaders AttachVPNGateway where
        toHeaders = const mempty

instance ToPath AttachVPNGateway where
        toPath = const "/"

instance ToQuery AttachVPNGateway where
        toQuery AttachVPNGateway'{..}
          = mconcat
              ["Action" =: ("AttachVpnGateway" :: ByteString),
               "Version" =: ("2016-04-01" :: ByteString),
               "DryRun" =: _avgDryRun,
               "VpnGatewayId" =: _avgVPNGatewayId,
               "VpcId" =: _avgVPCId]

-- | Contains the output of AttachVpnGateway.
--
-- /See:/ 'attachVPNGatewayResponse' smart constructor.
data AttachVPNGatewayResponse = AttachVPNGatewayResponse'
    { _avgrsVPCAttachment  :: !(Maybe VPCAttachment)
    , _avgrsResponseStatus :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'AttachVPNGatewayResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'avgrsVPCAttachment'
--
-- * 'avgrsResponseStatus'
attachVPNGatewayResponse
    :: Int -- ^ 'avgrsResponseStatus'
    -> AttachVPNGatewayResponse
attachVPNGatewayResponse pResponseStatus_ =
    AttachVPNGatewayResponse'
    { _avgrsVPCAttachment = Nothing
    , _avgrsResponseStatus = pResponseStatus_
    }

-- | Information about the attachment.
avgrsVPCAttachment :: Lens' AttachVPNGatewayResponse (Maybe VPCAttachment)
avgrsVPCAttachment = lens _avgrsVPCAttachment (\ s a -> s{_avgrsVPCAttachment = a});

-- | The response status code.
avgrsResponseStatus :: Lens' AttachVPNGatewayResponse Int
avgrsResponseStatus = lens _avgrsResponseStatus (\ s a -> s{_avgrsResponseStatus = a});

instance NFData AttachVPNGatewayResponse