{-# 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.Route53.ListTrafficPolicyInstances
-- 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)
--
-- Gets information about the traffic policy instances that you created by
-- using the current AWS account.
--
-- After you submit an 'UpdateTrafficPolicyInstance' request, there\'s a
-- brief delay while Amazon Route 53 creates the resource record sets that
-- are specified in the traffic policy definition. For more information,
-- see the < State> response element.
--
-- To get information about the traffic policy instances that are
-- associated with the current AWS account, send a 'GET' request to the
-- '\/Route 53 API version\/trafficpolicyinstance' resource.
--
-- Amazon Route 53 returns a maximum of 100 items in each response. If you
-- have a lot of traffic policy instances, you can use the 'MaxItems'
-- parameter to list them in groups of up to 100.
--
-- The response includes five values that help you navigate from one group
-- of 'MaxItems' traffic policy instances to the next:
--
-- -   __IsTruncated__
-- -   __MaxItems__
-- -   __HostedZoneIdMarker__, __TrafficPolicyInstanceNameMarker__, and
--     __TrafficPolicyInstanceTypeMarker__
module Network.AWS.Route53.ListTrafficPolicyInstances
    (
    -- * Creating a Request
      listTrafficPolicyInstances
    , ListTrafficPolicyInstances
    -- * Request Lenses
    , ltpiTrafficPolicyInstanceTypeMarker
    , ltpiMaxItems
    , ltpiHostedZoneIdMarker
    , ltpiTrafficPolicyInstanceNameMarker

    -- * Destructuring the Response
    , listTrafficPolicyInstancesResponse
    , ListTrafficPolicyInstancesResponse
    -- * Response Lenses
    , ltpirsTrafficPolicyInstanceTypeMarker
    , ltpirsHostedZoneIdMarker
    , ltpirsTrafficPolicyInstanceNameMarker
    , ltpirsResponseStatus
    , ltpirsTrafficPolicyInstances
    , ltpirsIsTruncated
    , ltpirsMaxItems
    ) where

import           Network.AWS.Lens
import           Network.AWS.Prelude
import           Network.AWS.Request
import           Network.AWS.Response
import           Network.AWS.Route53.Types
import           Network.AWS.Route53.Types.Product

-- | A complex type that contains the information about the request to list
-- your traffic policy instances.
--
-- /See:/ 'listTrafficPolicyInstances' smart constructor.
data ListTrafficPolicyInstances = ListTrafficPolicyInstances'
    { _ltpiTrafficPolicyInstanceTypeMarker :: !(Maybe RecordType)
    , _ltpiMaxItems                        :: !(Maybe Text)
    , _ltpiHostedZoneIdMarker              :: !(Maybe Text)
    , _ltpiTrafficPolicyInstanceNameMarker :: !(Maybe Text)
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ListTrafficPolicyInstances' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ltpiTrafficPolicyInstanceTypeMarker'
--
-- * 'ltpiMaxItems'
--
-- * 'ltpiHostedZoneIdMarker'
--
-- * 'ltpiTrafficPolicyInstanceNameMarker'
listTrafficPolicyInstances
    :: ListTrafficPolicyInstances
listTrafficPolicyInstances =
    ListTrafficPolicyInstances'
    { _ltpiTrafficPolicyInstanceTypeMarker = Nothing
    , _ltpiMaxItems = Nothing
    , _ltpiHostedZoneIdMarker = Nothing
    , _ltpiTrafficPolicyInstanceNameMarker = Nothing
    }

-- | For the first request to 'ListTrafficPolicyInstances', omit this value.
--
-- If the value of 'IsTruncated' in the previous response was 'true',
-- 'TrafficPolicyInstanceTypeMarker' is the DNS type of the first traffic
-- policy instance in the next group of 'MaxItems' traffic policy
-- instances.
--
-- If the value of 'IsTruncated' in the previous response was 'false',
-- there are no more traffic policy instances to get.
ltpiTrafficPolicyInstanceTypeMarker :: Lens' ListTrafficPolicyInstances (Maybe RecordType)
ltpiTrafficPolicyInstanceTypeMarker = lens _ltpiTrafficPolicyInstanceTypeMarker (\ s a -> s{_ltpiTrafficPolicyInstanceTypeMarker = a});

-- | The maximum number of traffic policy instances to be included in the
-- response body for this request. If you have more than 'MaxItems' traffic
-- policy instances, the value of the 'IsTruncated' element in the response
-- is 'true', and the values of 'HostedZoneIdMarker',
-- 'TrafficPolicyInstanceNameMarker', and 'TrafficPolicyInstanceTypeMarker'
-- represent the first traffic policy instance in the next group of
-- 'MaxItems' traffic policy instances.
ltpiMaxItems :: Lens' ListTrafficPolicyInstances (Maybe Text)
ltpiMaxItems = lens _ltpiMaxItems (\ s a -> s{_ltpiMaxItems = a});

-- | For the first request to 'ListTrafficPolicyInstances', omit this value.
--
-- If the value of 'IsTruncated' in the previous response was 'true', you
-- have more traffic policy instances. To get the next group of 'MaxItems'
-- traffic policy instances, submit another 'ListTrafficPolicyInstances'
-- request. For the value of 'HostedZoneIdMarker', specify the value of
-- 'HostedZoneIdMarker' from the previous response, which is the hosted
-- zone ID of the first traffic policy instance in the next group of
-- 'MaxItems' traffic policy instances.
--
-- If the value of 'IsTruncated' in the previous response was 'false',
-- there are no more traffic policy instances to get.
ltpiHostedZoneIdMarker :: Lens' ListTrafficPolicyInstances (Maybe Text)
ltpiHostedZoneIdMarker = lens _ltpiHostedZoneIdMarker (\ s a -> s{_ltpiHostedZoneIdMarker = a});

-- | For the first request to 'ListTrafficPolicyInstances', omit this value.
--
-- If the value of 'IsTruncated' in the previous response was 'true',
-- 'TrafficPolicyInstanceNameMarker' is the name of the first traffic
-- policy instance in the next group of 'MaxItems' traffic policy
-- instances.
--
-- If the value of 'IsTruncated' in the previous response was 'false',
-- there are no more traffic policy instances to get.
ltpiTrafficPolicyInstanceNameMarker :: Lens' ListTrafficPolicyInstances (Maybe Text)
ltpiTrafficPolicyInstanceNameMarker = lens _ltpiTrafficPolicyInstanceNameMarker (\ s a -> s{_ltpiTrafficPolicyInstanceNameMarker = a});

instance AWSRequest ListTrafficPolicyInstances where
        type Rs ListTrafficPolicyInstances =
             ListTrafficPolicyInstancesResponse
        request = get route53
        response
          = receiveXML
              (\ s h x ->
                 ListTrafficPolicyInstancesResponse' <$>
                   (x .@? "TrafficPolicyInstanceTypeMarker") <*>
                     (x .@? "HostedZoneIdMarker")
                     <*> (x .@? "TrafficPolicyInstanceNameMarker")
                     <*> (pure (fromEnum s))
                     <*>
                     (x .@? "TrafficPolicyInstances" .!@ mempty >>=
                        parseXMLList "TrafficPolicyInstance")
                     <*> (x .@ "IsTruncated")
                     <*> (x .@ "MaxItems"))

instance Hashable ListTrafficPolicyInstances

instance NFData ListTrafficPolicyInstances

instance ToHeaders ListTrafficPolicyInstances where
        toHeaders = const mempty

instance ToPath ListTrafficPolicyInstances where
        toPath = const "/2013-04-01/trafficpolicyinstances"

instance ToQuery ListTrafficPolicyInstances where
        toQuery ListTrafficPolicyInstances'{..}
          = mconcat
              ["trafficpolicyinstancetype" =:
                 _ltpiTrafficPolicyInstanceTypeMarker,
               "maxitems" =: _ltpiMaxItems,
               "hostedzoneid" =: _ltpiHostedZoneIdMarker,
               "trafficpolicyinstancename" =:
                 _ltpiTrafficPolicyInstanceNameMarker]

-- | A complex type that contains the response information for the request.
--
-- /See:/ 'listTrafficPolicyInstancesResponse' smart constructor.
data ListTrafficPolicyInstancesResponse = ListTrafficPolicyInstancesResponse'
    { _ltpirsTrafficPolicyInstanceTypeMarker :: !(Maybe RecordType)
    , _ltpirsHostedZoneIdMarker              :: !(Maybe Text)
    , _ltpirsTrafficPolicyInstanceNameMarker :: !(Maybe Text)
    , _ltpirsResponseStatus                  :: !Int
    , _ltpirsTrafficPolicyInstances          :: ![TrafficPolicyInstance]
    , _ltpirsIsTruncated                     :: !Bool
    , _ltpirsMaxItems                        :: !Text
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ListTrafficPolicyInstancesResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ltpirsTrafficPolicyInstanceTypeMarker'
--
-- * 'ltpirsHostedZoneIdMarker'
--
-- * 'ltpirsTrafficPolicyInstanceNameMarker'
--
-- * 'ltpirsResponseStatus'
--
-- * 'ltpirsTrafficPolicyInstances'
--
-- * 'ltpirsIsTruncated'
--
-- * 'ltpirsMaxItems'
listTrafficPolicyInstancesResponse
    :: Int -- ^ 'ltpirsResponseStatus'
    -> Bool -- ^ 'ltpirsIsTruncated'
    -> Text -- ^ 'ltpirsMaxItems'
    -> ListTrafficPolicyInstancesResponse
listTrafficPolicyInstancesResponse pResponseStatus_ pIsTruncated_ pMaxItems_ =
    ListTrafficPolicyInstancesResponse'
    { _ltpirsTrafficPolicyInstanceTypeMarker = Nothing
    , _ltpirsHostedZoneIdMarker = Nothing
    , _ltpirsTrafficPolicyInstanceNameMarker = Nothing
    , _ltpirsResponseStatus = pResponseStatus_
    , _ltpirsTrafficPolicyInstances = mempty
    , _ltpirsIsTruncated = pIsTruncated_
    , _ltpirsMaxItems = pMaxItems_
    }

-- | If 'IsTruncated' is 'true', 'TrafficPolicyInstanceTypeMarker' is the DNS
-- type of the resource record sets that are associated with the first
-- traffic policy instance in the next group of 'MaxItems' traffic policy
-- instances.
ltpirsTrafficPolicyInstanceTypeMarker :: Lens' ListTrafficPolicyInstancesResponse (Maybe RecordType)
ltpirsTrafficPolicyInstanceTypeMarker = lens _ltpirsTrafficPolicyInstanceTypeMarker (\ s a -> s{_ltpirsTrafficPolicyInstanceTypeMarker = a});

-- | If 'IsTruncated' is 'true', 'HostedZoneIdMarker' is the ID of the hosted
-- zone of the first traffic policy instance in the next group of
-- 'MaxItems' traffic policy instances.
ltpirsHostedZoneIdMarker :: Lens' ListTrafficPolicyInstancesResponse (Maybe Text)
ltpirsHostedZoneIdMarker = lens _ltpirsHostedZoneIdMarker (\ s a -> s{_ltpirsHostedZoneIdMarker = a});

-- | If 'IsTruncated' is 'true', 'TrafficPolicyInstanceNameMarker' is the
-- name of the first traffic policy instance in the next group of
-- 'MaxItems' traffic policy instances.
ltpirsTrafficPolicyInstanceNameMarker :: Lens' ListTrafficPolicyInstancesResponse (Maybe Text)
ltpirsTrafficPolicyInstanceNameMarker = lens _ltpirsTrafficPolicyInstanceNameMarker (\ s a -> s{_ltpirsTrafficPolicyInstanceNameMarker = a});

-- | The response status code.
ltpirsResponseStatus :: Lens' ListTrafficPolicyInstancesResponse Int
ltpirsResponseStatus = lens _ltpirsResponseStatus (\ s a -> s{_ltpirsResponseStatus = a});

-- | A list that contains one 'TrafficPolicyInstance' element for each
-- traffic policy instance that matches the elements in the request.
ltpirsTrafficPolicyInstances :: Lens' ListTrafficPolicyInstancesResponse [TrafficPolicyInstance]
ltpirsTrafficPolicyInstances = lens _ltpirsTrafficPolicyInstances (\ s a -> s{_ltpirsTrafficPolicyInstances = a}) . _Coerce;

-- | A flag that indicates whether there are more traffic policy instances to
-- be listed. If the response was truncated, you can get the next group of
-- 'MaxItems' traffic policy instances by calling
-- 'ListTrafficPolicyInstances' again and specifying the values of the
-- 'HostedZoneIdMarker', 'TrafficPolicyInstanceNameMarker', and
-- 'TrafficPolicyInstanceTypeMarker' elements in the corresponding request
-- parameters.
--
-- Valid Values: 'true' | 'false'
ltpirsIsTruncated :: Lens' ListTrafficPolicyInstancesResponse Bool
ltpirsIsTruncated = lens _ltpirsIsTruncated (\ s a -> s{_ltpirsIsTruncated = a});

-- | The value that you specified for the 'MaxItems' parameter in the call to
-- 'ListTrafficPolicyInstances' that produced the current response.
ltpirsMaxItems :: Lens' ListTrafficPolicyInstancesResponse Text
ltpirsMaxItems = lens _ltpirsMaxItems (\ s a -> s{_ltpirsMaxItems = a});

instance NFData ListTrafficPolicyInstancesResponse