{-# 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.WAF.ListWebACLs
-- 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)
--
-- Returns an array of < WebACLSummary> objects in the response.
module Network.AWS.WAF.ListWebACLs
    (
    -- * Creating a Request
      listWebACLs
    , ListWebACLs
    -- * Request Lenses
    , lwaNextMarker
    , lwaLimit

    -- * Destructuring the Response
    , listWebACLsResponse
    , ListWebACLsResponse
    -- * Response Lenses
    , lwarsWebACLs
    , lwarsNextMarker
    , lwarsResponseStatus
    ) where

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

-- | /See:/ 'listWebACLs' smart constructor.
data ListWebACLs = ListWebACLs'
    { _lwaNextMarker :: !(Maybe Text)
    , _lwaLimit      :: !Nat
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ListWebACLs' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lwaNextMarker'
--
-- * 'lwaLimit'
listWebACLs
    :: Natural -- ^ 'lwaLimit'
    -> ListWebACLs
listWebACLs pLimit_ =
    ListWebACLs'
    { _lwaNextMarker = Nothing
    , _lwaLimit = _Nat # pLimit_
    }

-- | If you specify a value for 'Limit' and you have more 'WebACL' objects than the number that you specify for 'Limit', AWS WAF returns a 'NextMarker' value in the response that allows you to list another group of 'WebACL' objects. For the second and subsequent 'ListWebACLs' requests, specify the value of 'NextMarker' from the previous response to get information about another batch of 'WebACL' objects.
lwaNextMarker :: Lens' ListWebACLs (Maybe Text)
lwaNextMarker = lens _lwaNextMarker (\ s a -> s{_lwaNextMarker = a});

-- | Specifies the number of 'WebACL' objects that you want AWS WAF to return for this request. If you have more 'WebACL' objects than the number that you specify for 'Limit', the response includes a 'NextMarker' value that you can use to get another batch of 'WebACL' objects.
lwaLimit :: Lens' ListWebACLs Natural
lwaLimit = lens _lwaLimit (\ s a -> s{_lwaLimit = a}) . _Nat;

instance AWSRequest ListWebACLs where
        type Rs ListWebACLs = ListWebACLsResponse
        request = postJSON waf
        response
          = receiveJSON
              (\ s h x ->
                 ListWebACLsResponse' <$>
                   (x .?> "WebACLs" .!@ mempty) <*> (x .?> "NextMarker")
                     <*> (pure (fromEnum s)))

instance Hashable ListWebACLs

instance NFData ListWebACLs

instance ToHeaders ListWebACLs where
        toHeaders
          = const
              (mconcat
                 ["X-Amz-Target" =#
                    ("AWSWAF_20150824.ListWebACLs" :: ByteString),
                  "Content-Type" =#
                    ("application/x-amz-json-1.1" :: ByteString)])

instance ToJSON ListWebACLs where
        toJSON ListWebACLs'{..}
          = object
              (catMaybes
                 [("NextMarker" .=) <$> _lwaNextMarker,
                  Just ("Limit" .= _lwaLimit)])

instance ToPath ListWebACLs where
        toPath = const "/"

instance ToQuery ListWebACLs where
        toQuery = const mempty

-- | /See:/ 'listWebACLsResponse' smart constructor.
data ListWebACLsResponse = ListWebACLsResponse'
    { _lwarsWebACLs        :: !(Maybe [WebACLSummary])
    , _lwarsNextMarker     :: !(Maybe Text)
    , _lwarsResponseStatus :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ListWebACLsResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lwarsWebACLs'
--
-- * 'lwarsNextMarker'
--
-- * 'lwarsResponseStatus'
listWebACLsResponse
    :: Int -- ^ 'lwarsResponseStatus'
    -> ListWebACLsResponse
listWebACLsResponse pResponseStatus_ =
    ListWebACLsResponse'
    { _lwarsWebACLs = Nothing
    , _lwarsNextMarker = Nothing
    , _lwarsResponseStatus = pResponseStatus_
    }

-- | An array of < WebACLSummary> objects.
lwarsWebACLs :: Lens' ListWebACLsResponse [WebACLSummary]
lwarsWebACLs = lens _lwarsWebACLs (\ s a -> s{_lwarsWebACLs = a}) . _Default . _Coerce;

-- | If you have more 'WebACL' objects than the number that you specified for 'Limit' in the request, the response includes a 'NextMarker' value. To list more 'WebACL' objects, submit another 'ListWebACLs' request, and specify the 'NextMarker' value from the response in the 'NextMarker' value in the next request.
lwarsNextMarker :: Lens' ListWebACLsResponse (Maybe Text)
lwarsNextMarker = lens _lwarsNextMarker (\ s a -> s{_lwarsNextMarker = a});

-- | The response status code.
lwarsResponseStatus :: Lens' ListWebACLsResponse Int
lwarsResponseStatus = lens _lwarsResponseStatus (\ s a -> s{_lwarsResponseStatus = a});

instance NFData ListWebACLsResponse