{-# 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.GetRegexPatternSet
-- 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 the 'RegexPatternSet' specified by @RegexPatternSetId@ .
--
--
module Network.AWS.WAF.GetRegexPatternSet
    (
    -- * Creating a Request
      getRegexPatternSet
    , GetRegexPatternSet
    -- * Request Lenses
    , grpsRegexPatternSetId

    -- * Destructuring the Response
    , getRegexPatternSetResponse
    , GetRegexPatternSetResponse
    -- * Response Lenses
    , grpsrsRegexPatternSet
    , grpsrsResponseStatus
    ) 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:/ 'getRegexPatternSet' smart constructor.
newtype GetRegexPatternSet = GetRegexPatternSet'
  { _grpsRegexPatternSetId :: Text
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'GetRegexPatternSet' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'grpsRegexPatternSetId' - The @RegexPatternSetId@ of the 'RegexPatternSet' that you want to get. @RegexPatternSetId@ is returned by 'CreateRegexPatternSet' and by 'ListRegexPatternSets' .
getRegexPatternSet
    :: Text -- ^ 'grpsRegexPatternSetId'
    -> GetRegexPatternSet
getRegexPatternSet pRegexPatternSetId_ =
  GetRegexPatternSet' {_grpsRegexPatternSetId = pRegexPatternSetId_}


-- | The @RegexPatternSetId@ of the 'RegexPatternSet' that you want to get. @RegexPatternSetId@ is returned by 'CreateRegexPatternSet' and by 'ListRegexPatternSets' .
grpsRegexPatternSetId :: Lens' GetRegexPatternSet Text
grpsRegexPatternSetId = lens _grpsRegexPatternSetId (\ s a -> s{_grpsRegexPatternSetId = a})

instance AWSRequest GetRegexPatternSet where
        type Rs GetRegexPatternSet =
             GetRegexPatternSetResponse
        request = postJSON waf
        response
          = receiveJSON
              (\ s h x ->
                 GetRegexPatternSetResponse' <$>
                   (x .?> "RegexPatternSet") <*> (pure (fromEnum s)))

instance Hashable GetRegexPatternSet where

instance NFData GetRegexPatternSet where

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

instance ToJSON GetRegexPatternSet where
        toJSON GetRegexPatternSet'{..}
          = object
              (catMaybes
                 [Just
                    ("RegexPatternSetId" .= _grpsRegexPatternSetId)])

instance ToPath GetRegexPatternSet where
        toPath = const "/"

instance ToQuery GetRegexPatternSet where
        toQuery = const mempty

-- | /See:/ 'getRegexPatternSetResponse' smart constructor.
data GetRegexPatternSetResponse = GetRegexPatternSetResponse'
  { _grpsrsRegexPatternSet :: !(Maybe RegexPatternSet)
  , _grpsrsResponseStatus  :: !Int
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'GetRegexPatternSetResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'grpsrsRegexPatternSet' - Information about the 'RegexPatternSet' that you specified in the @GetRegexPatternSet@ request, including the identifier of the pattern set and the regular expression patterns you want AWS WAF to search for.
--
-- * 'grpsrsResponseStatus' - -- | The response status code.
getRegexPatternSetResponse
    :: Int -- ^ 'grpsrsResponseStatus'
    -> GetRegexPatternSetResponse
getRegexPatternSetResponse pResponseStatus_ =
  GetRegexPatternSetResponse'
    {_grpsrsRegexPatternSet = Nothing, _grpsrsResponseStatus = pResponseStatus_}


-- | Information about the 'RegexPatternSet' that you specified in the @GetRegexPatternSet@ request, including the identifier of the pattern set and the regular expression patterns you want AWS WAF to search for.
grpsrsRegexPatternSet :: Lens' GetRegexPatternSetResponse (Maybe RegexPatternSet)
grpsrsRegexPatternSet = lens _grpsrsRegexPatternSet (\ s a -> s{_grpsrsRegexPatternSet = a})

-- | -- | The response status code.
grpsrsResponseStatus :: Lens' GetRegexPatternSetResponse Int
grpsrsResponseStatus = lens _grpsrsResponseStatus (\ s a -> s{_grpsrsResponseStatus = a})

instance NFData GetRegexPatternSetResponse where