{-# 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.ListTrafficPolicies
-- Copyright   : (c) 2013-2018 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay <brendan.g.hay+amazonka@gmail.com>
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Gets information about the latest version for every traffic policy that is associated with the current AWS account. Policies are listed in the order in which they were created.
--
--
module Network.AWS.Route53.ListTrafficPolicies
    (
    -- * Creating a Request
      listTrafficPolicies
    , ListTrafficPolicies
    -- * Request Lenses
    , ltpTrafficPolicyIdMarker
    , ltpMaxItems

    -- * Destructuring the Response
    , listTrafficPoliciesResponse
    , ListTrafficPoliciesResponse
    -- * Response Lenses
    , ltprsResponseStatus
    , ltprsTrafficPolicySummaries
    , ltprsIsTruncated
    , ltprsTrafficPolicyIdMarker
    , ltprsMaxItems
    ) 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 the traffic policies that are associated with the current AWS account.
--
--
--
-- /See:/ 'listTrafficPolicies' smart constructor.
data ListTrafficPolicies = ListTrafficPolicies'
  { _ltpTrafficPolicyIdMarker :: !(Maybe Text)
  , _ltpMaxItems              :: !(Maybe Text)
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListTrafficPolicies' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ltpTrafficPolicyIdMarker' - (Conditional) For your first request to @ListTrafficPolicies@ , don't include the @TrafficPolicyIdMarker@ parameter. If you have more traffic policies than the value of @MaxItems@ , @ListTrafficPolicies@ returns only the first @MaxItems@ traffic policies. To get the next group of policies, submit another request to @ListTrafficPolicies@ . For the value of @TrafficPolicyIdMarker@ , specify the value of @TrafficPolicyIdMarker@ that was returned in the previous response.
--
-- * 'ltpMaxItems' - (Optional) The maximum number of traffic policies that you want Amazon Route 53 to return in response to this request. If you have more than @MaxItems@ traffic policies, the value of @IsTruncated@ in the response is @true@ , and the value of @TrafficPolicyIdMarker@ is the ID of the first traffic policy that Amazon Route 53 will return if you submit another request.
listTrafficPolicies
    :: ListTrafficPolicies
listTrafficPolicies =
  ListTrafficPolicies'
    {_ltpTrafficPolicyIdMarker = Nothing, _ltpMaxItems = Nothing}


-- | (Conditional) For your first request to @ListTrafficPolicies@ , don't include the @TrafficPolicyIdMarker@ parameter. If you have more traffic policies than the value of @MaxItems@ , @ListTrafficPolicies@ returns only the first @MaxItems@ traffic policies. To get the next group of policies, submit another request to @ListTrafficPolicies@ . For the value of @TrafficPolicyIdMarker@ , specify the value of @TrafficPolicyIdMarker@ that was returned in the previous response.
ltpTrafficPolicyIdMarker :: Lens' ListTrafficPolicies (Maybe Text)
ltpTrafficPolicyIdMarker = lens _ltpTrafficPolicyIdMarker (\ s a -> s{_ltpTrafficPolicyIdMarker = a})

-- | (Optional) The maximum number of traffic policies that you want Amazon Route 53 to return in response to this request. If you have more than @MaxItems@ traffic policies, the value of @IsTruncated@ in the response is @true@ , and the value of @TrafficPolicyIdMarker@ is the ID of the first traffic policy that Amazon Route 53 will return if you submit another request.
ltpMaxItems :: Lens' ListTrafficPolicies (Maybe Text)
ltpMaxItems = lens _ltpMaxItems (\ s a -> s{_ltpMaxItems = a})

instance AWSRequest ListTrafficPolicies where
        type Rs ListTrafficPolicies =
             ListTrafficPoliciesResponse
        request = get route53
        response
          = receiveXML
              (\ s h x ->
                 ListTrafficPoliciesResponse' <$>
                   (pure (fromEnum s)) <*>
                     (x .@? "TrafficPolicySummaries" .!@ mempty >>=
                        parseXMLList "TrafficPolicySummary")
                     <*> (x .@ "IsTruncated")
                     <*> (x .@ "TrafficPolicyIdMarker")
                     <*> (x .@ "MaxItems"))

instance Hashable ListTrafficPolicies where

instance NFData ListTrafficPolicies where

instance ToHeaders ListTrafficPolicies where
        toHeaders = const mempty

instance ToPath ListTrafficPolicies where
        toPath = const "/2013-04-01/trafficpolicies"

instance ToQuery ListTrafficPolicies where
        toQuery ListTrafficPolicies'{..}
          = mconcat
              ["trafficpolicyid" =: _ltpTrafficPolicyIdMarker,
               "maxitems" =: _ltpMaxItems]

-- | A complex type that contains the response information for the request.
--
--
--
-- /See:/ 'listTrafficPoliciesResponse' smart constructor.
data ListTrafficPoliciesResponse = ListTrafficPoliciesResponse'
  { _ltprsResponseStatus         :: !Int
  , _ltprsTrafficPolicySummaries :: ![TrafficPolicySummary]
  , _ltprsIsTruncated            :: !Bool
  , _ltprsTrafficPolicyIdMarker  :: !Text
  , _ltprsMaxItems               :: !Text
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListTrafficPoliciesResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ltprsResponseStatus' - -- | The response status code.
--
-- * 'ltprsTrafficPolicySummaries' - A list that contains one @TrafficPolicySummary@ element for each traffic policy that was created by the current AWS account.
--
-- * 'ltprsIsTruncated' - A flag that indicates whether there are more traffic policies to be listed. If the response was truncated, you can get the next group of traffic policies by submitting another @ListTrafficPolicies@ request and specifying the value of @TrafficPolicyIdMarker@ in the @TrafficPolicyIdMarker@ request parameter.
--
-- * 'ltprsTrafficPolicyIdMarker' - If the value of @IsTruncated@ is @true@ , @TrafficPolicyIdMarker@ is the ID of the first traffic policy in the next group of @MaxItems@ traffic policies.
--
-- * 'ltprsMaxItems' - The value that you specified for the @MaxItems@ parameter in the @ListTrafficPolicies@ request that produced the current response.
listTrafficPoliciesResponse
    :: Int -- ^ 'ltprsResponseStatus'
    -> Bool -- ^ 'ltprsIsTruncated'
    -> Text -- ^ 'ltprsTrafficPolicyIdMarker'
    -> Text -- ^ 'ltprsMaxItems'
    -> ListTrafficPoliciesResponse
listTrafficPoliciesResponse pResponseStatus_ pIsTruncated_ pTrafficPolicyIdMarker_ pMaxItems_ =
  ListTrafficPoliciesResponse'
    { _ltprsResponseStatus = pResponseStatus_
    , _ltprsTrafficPolicySummaries = mempty
    , _ltprsIsTruncated = pIsTruncated_
    , _ltprsTrafficPolicyIdMarker = pTrafficPolicyIdMarker_
    , _ltprsMaxItems = pMaxItems_
    }


-- | -- | The response status code.
ltprsResponseStatus :: Lens' ListTrafficPoliciesResponse Int
ltprsResponseStatus = lens _ltprsResponseStatus (\ s a -> s{_ltprsResponseStatus = a})

-- | A list that contains one @TrafficPolicySummary@ element for each traffic policy that was created by the current AWS account.
ltprsTrafficPolicySummaries :: Lens' ListTrafficPoliciesResponse [TrafficPolicySummary]
ltprsTrafficPolicySummaries = lens _ltprsTrafficPolicySummaries (\ s a -> s{_ltprsTrafficPolicySummaries = a}) . _Coerce

-- | A flag that indicates whether there are more traffic policies to be listed. If the response was truncated, you can get the next group of traffic policies by submitting another @ListTrafficPolicies@ request and specifying the value of @TrafficPolicyIdMarker@ in the @TrafficPolicyIdMarker@ request parameter.
ltprsIsTruncated :: Lens' ListTrafficPoliciesResponse Bool
ltprsIsTruncated = lens _ltprsIsTruncated (\ s a -> s{_ltprsIsTruncated = a})

-- | If the value of @IsTruncated@ is @true@ , @TrafficPolicyIdMarker@ is the ID of the first traffic policy in the next group of @MaxItems@ traffic policies.
ltprsTrafficPolicyIdMarker :: Lens' ListTrafficPoliciesResponse Text
ltprsTrafficPolicyIdMarker = lens _ltprsTrafficPolicyIdMarker (\ s a -> s{_ltprsTrafficPolicyIdMarker = a})

-- | The value that you specified for the @MaxItems@ parameter in the @ListTrafficPolicies@ request that produced the current response.
ltprsMaxItems :: Lens' ListTrafficPoliciesResponse Text
ltprsMaxItems = lens _ltprsMaxItems (\ s a -> s{_ltprsMaxItems = a})

instance NFData ListTrafficPoliciesResponse where