{-# 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.ListRuleGroups
-- 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)
--
-- Returns an array of 'RuleGroup' objects.
--
--
module Network.AWS.WAF.ListRuleGroups
    (
    -- * Creating a Request
      listRuleGroups
    , ListRuleGroups
    -- * Request Lenses
    , lrgNextMarker
    , lrgLimit

    -- * Destructuring the Response
    , listRuleGroupsResponse
    , ListRuleGroupsResponse
    -- * Response Lenses
    , lrgrsRuleGroups
    , lrgrsNextMarker
    , lrgrsResponseStatus
    ) 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:/ 'listRuleGroups' smart constructor.
data ListRuleGroups = ListRuleGroups'
  { _lrgNextMarker :: !(Maybe Text)
  , _lrgLimit      :: !(Maybe Nat)
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListRuleGroups' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lrgNextMarker' - If you specify a value for @Limit@ and you have more @RuleGroups@ than the value of @Limit@ , AWS WAF returns a @NextMarker@ value in the response that allows you to list another group of @RuleGroups@ . For the second and subsequent @ListRuleGroups@ requests, specify the value of @NextMarker@ from the previous response to get information about another batch of @RuleGroups@ .
--
-- * 'lrgLimit' - Specifies the number of @RuleGroups@ that you want AWS WAF to return for this request. If you have more @RuleGroups@ than the number that you specify for @Limit@ , the response includes a @NextMarker@ value that you can use to get another batch of @RuleGroups@ .
listRuleGroups
    :: ListRuleGroups
listRuleGroups = ListRuleGroups' {_lrgNextMarker = Nothing, _lrgLimit = Nothing}


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

-- | Specifies the number of @RuleGroups@ that you want AWS WAF to return for this request. If you have more @RuleGroups@ than the number that you specify for @Limit@ , the response includes a @NextMarker@ value that you can use to get another batch of @RuleGroups@ .
lrgLimit :: Lens' ListRuleGroups (Maybe Natural)
lrgLimit = lens _lrgLimit (\ s a -> s{_lrgLimit = a}) . mapping _Nat

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

instance Hashable ListRuleGroups where

instance NFData ListRuleGroups where

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

instance ToJSON ListRuleGroups where
        toJSON ListRuleGroups'{..}
          = object
              (catMaybes
                 [("NextMarker" .=) <$> _lrgNextMarker,
                  ("Limit" .=) <$> _lrgLimit])

instance ToPath ListRuleGroups where
        toPath = const "/"

instance ToQuery ListRuleGroups where
        toQuery = const mempty

-- | /See:/ 'listRuleGroupsResponse' smart constructor.
data ListRuleGroupsResponse = ListRuleGroupsResponse'
  { _lrgrsRuleGroups     :: !(Maybe [RuleGroupSummary])
  , _lrgrsNextMarker     :: !(Maybe Text)
  , _lrgrsResponseStatus :: !Int
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListRuleGroupsResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lrgrsRuleGroups' - An array of 'RuleGroup' objects.
--
-- * 'lrgrsNextMarker' - If you have more @RuleGroups@ than the number that you specified for @Limit@ in the request, the response includes a @NextMarker@ value. To list more @RuleGroups@ , submit another @ListRuleGroups@ request, and specify the @NextMarker@ value from the response in the @NextMarker@ value in the next request.
--
-- * 'lrgrsResponseStatus' - -- | The response status code.
listRuleGroupsResponse
    :: Int -- ^ 'lrgrsResponseStatus'
    -> ListRuleGroupsResponse
listRuleGroupsResponse pResponseStatus_ =
  ListRuleGroupsResponse'
    { _lrgrsRuleGroups = Nothing
    , _lrgrsNextMarker = Nothing
    , _lrgrsResponseStatus = pResponseStatus_
    }


-- | An array of 'RuleGroup' objects.
lrgrsRuleGroups :: Lens' ListRuleGroupsResponse [RuleGroupSummary]
lrgrsRuleGroups = lens _lrgrsRuleGroups (\ s a -> s{_lrgrsRuleGroups = a}) . _Default . _Coerce

-- | If you have more @RuleGroups@ than the number that you specified for @Limit@ in the request, the response includes a @NextMarker@ value. To list more @RuleGroups@ , submit another @ListRuleGroups@ request, and specify the @NextMarker@ value from the response in the @NextMarker@ value in the next request.
lrgrsNextMarker :: Lens' ListRuleGroupsResponse (Maybe Text)
lrgrsNextMarker = lens _lrgrsNextMarker (\ s a -> s{_lrgrsNextMarker = a})

-- | -- | The response status code.
lrgrsResponseStatus :: Lens' ListRuleGroupsResponse Int
lrgrsResponseStatus = lens _lrgrsResponseStatus (\ s a -> s{_lrgrsResponseStatus = a})

instance NFData ListRuleGroupsResponse where