{-# 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.CreateRoute
-- 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)
--
-- Creates a route in a route table within a VPC.
--
-- You must specify one of the following targets: Internet gateway or virtual private gateway, NAT instance, NAT gateway, VPC peering connection, or network interface.
--
-- When determining how to route traffic, we use the route with the most specific match. For example, let\'s say the traffic is destined for '192.0.2.3', and the route table includes the following two routes:
--
-- -   '192.0.2.0\/24' (goes to some target A)
--
-- -   '192.0.2.0\/28' (goes to some target B)
--
-- Both routes apply to the traffic destined for '192.0.2.3'. However, the second route in the list covers a smaller number of IP addresses and is therefore more specific, so we use that route to determine where to target the traffic.
--
-- For more information about route tables, see <http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_Route_Tables.html Route Tables> in the /Amazon Virtual Private Cloud User Guide/.
module Network.AWS.EC2.CreateRoute
    (
    -- * Creating a Request
      createRoute
    , CreateRoute
    -- * Request Lenses
    , crVPCPeeringConnectionId
    , crInstanceId
    , crNatGatewayId
    , crNetworkInterfaceId
    , crGatewayId
    , crDryRun
    , crRouteTableId
    , crDestinationCIdRBlock

    -- * Destructuring the Response
    , createRouteResponse
    , CreateRouteResponse
    -- * Response Lenses
    , crrsReturn
    , crrsResponseStatus
    ) 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 CreateRoute.
--
-- /See:/ 'createRoute' smart constructor.
data CreateRoute = CreateRoute'
    { _crVPCPeeringConnectionId :: !(Maybe Text)
    , _crInstanceId             :: !(Maybe Text)
    , _crNatGatewayId           :: !(Maybe Text)
    , _crNetworkInterfaceId     :: !(Maybe Text)
    , _crGatewayId              :: !(Maybe Text)
    , _crDryRun                 :: !(Maybe Bool)
    , _crRouteTableId           :: !Text
    , _crDestinationCIdRBlock   :: !Text
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'CreateRoute' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'crVPCPeeringConnectionId'
--
-- * 'crInstanceId'
--
-- * 'crNatGatewayId'
--
-- * 'crNetworkInterfaceId'
--
-- * 'crGatewayId'
--
-- * 'crDryRun'
--
-- * 'crRouteTableId'
--
-- * 'crDestinationCIdRBlock'
createRoute
    :: Text -- ^ 'crRouteTableId'
    -> Text -- ^ 'crDestinationCIdRBlock'
    -> CreateRoute
createRoute pRouteTableId_ pDestinationCIdRBlock_ =
    CreateRoute'
    { _crVPCPeeringConnectionId = Nothing
    , _crInstanceId = Nothing
    , _crNatGatewayId = Nothing
    , _crNetworkInterfaceId = Nothing
    , _crGatewayId = Nothing
    , _crDryRun = Nothing
    , _crRouteTableId = pRouteTableId_
    , _crDestinationCIdRBlock = pDestinationCIdRBlock_
    }

-- | The ID of a VPC peering connection.
crVPCPeeringConnectionId :: Lens' CreateRoute (Maybe Text)
crVPCPeeringConnectionId = lens _crVPCPeeringConnectionId (\ s a -> s{_crVPCPeeringConnectionId = a});

-- | The ID of a NAT instance in your VPC. The operation fails if you specify an instance ID unless exactly one network interface is attached.
crInstanceId :: Lens' CreateRoute (Maybe Text)
crInstanceId = lens _crInstanceId (\ s a -> s{_crInstanceId = a});

-- | The ID of a NAT gateway.
crNatGatewayId :: Lens' CreateRoute (Maybe Text)
crNatGatewayId = lens _crNatGatewayId (\ s a -> s{_crNatGatewayId = a});

-- | The ID of a network interface.
crNetworkInterfaceId :: Lens' CreateRoute (Maybe Text)
crNetworkInterfaceId = lens _crNetworkInterfaceId (\ s a -> s{_crNetworkInterfaceId = a});

-- | The ID of an Internet gateway or virtual private gateway attached to your VPC.
crGatewayId :: Lens' CreateRoute (Maybe Text)
crGatewayId = lens _crGatewayId (\ s a -> s{_crGatewayId = a});

-- | 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'.
crDryRun :: Lens' CreateRoute (Maybe Bool)
crDryRun = lens _crDryRun (\ s a -> s{_crDryRun = a});

-- | The ID of the route table for the route.
crRouteTableId :: Lens' CreateRoute Text
crRouteTableId = lens _crRouteTableId (\ s a -> s{_crRouteTableId = a});

-- | The CIDR address block used for the destination match. Routing decisions are based on the most specific match.
crDestinationCIdRBlock :: Lens' CreateRoute Text
crDestinationCIdRBlock = lens _crDestinationCIdRBlock (\ s a -> s{_crDestinationCIdRBlock = a});

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

instance Hashable CreateRoute

instance NFData CreateRoute

instance ToHeaders CreateRoute where
        toHeaders = const mempty

instance ToPath CreateRoute where
        toPath = const "/"

instance ToQuery CreateRoute where
        toQuery CreateRoute'{..}
          = mconcat
              ["Action" =: ("CreateRoute" :: ByteString),
               "Version" =: ("2016-04-01" :: ByteString),
               "VpcPeeringConnectionId" =:
                 _crVPCPeeringConnectionId,
               "InstanceId" =: _crInstanceId,
               "NatGatewayId" =: _crNatGatewayId,
               "NetworkInterfaceId" =: _crNetworkInterfaceId,
               "GatewayId" =: _crGatewayId, "DryRun" =: _crDryRun,
               "RouteTableId" =: _crRouteTableId,
               "DestinationCidrBlock" =: _crDestinationCIdRBlock]

-- | Contains the output of CreateRoute.
--
-- /See:/ 'createRouteResponse' smart constructor.
data CreateRouteResponse = CreateRouteResponse'
    { _crrsReturn         :: !(Maybe Bool)
    , _crrsResponseStatus :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'CreateRouteResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'crrsReturn'
--
-- * 'crrsResponseStatus'
createRouteResponse
    :: Int -- ^ 'crrsResponseStatus'
    -> CreateRouteResponse
createRouteResponse pResponseStatus_ =
    CreateRouteResponse'
    { _crrsReturn = Nothing
    , _crrsResponseStatus = pResponseStatus_
    }

-- | Returns 'true' if the request succeeds; otherwise, it returns an error.
crrsReturn :: Lens' CreateRouteResponse (Maybe Bool)
crrsReturn = lens _crrsReturn (\ s a -> s{_crrsReturn = a});

-- | The response status code.
crrsResponseStatus :: Lens' CreateRouteResponse Int
crrsResponseStatus = lens _crrsResponseStatus (\ s a -> s{_crrsResponseStatus = a});

instance NFData CreateRouteResponse