{-# 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.DirectoryService.ListTagsForResource
-- 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)
--
-- Lists all tags on a directory.
--
--
module Network.AWS.DirectoryService.ListTagsForResource
    (
    -- * Creating a Request
      listTagsForResource
    , ListTagsForResource
    -- * Request Lenses
    , ltfrNextToken
    , ltfrLimit
    , ltfrResourceId

    -- * Destructuring the Response
    , listTagsForResourceResponse
    , ListTagsForResourceResponse
    -- * Response Lenses
    , ltfrrsNextToken
    , ltfrrsTags
    , ltfrrsResponseStatus
    ) where

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

-- | /See:/ 'listTagsForResource' smart constructor.
data ListTagsForResource = ListTagsForResource'
  { _ltfrNextToken  :: !(Maybe Text)
  , _ltfrLimit      :: !(Maybe Nat)
  , _ltfrResourceId :: !Text
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListTagsForResource' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ltfrNextToken' - Reserved for future use.
--
-- * 'ltfrLimit' - Reserved for future use.
--
-- * 'ltfrResourceId' - Identifier (ID) of the directory for which you want to retrieve tags.
listTagsForResource
    :: Text -- ^ 'ltfrResourceId'
    -> ListTagsForResource
listTagsForResource pResourceId_ =
  ListTagsForResource'
    { _ltfrNextToken = Nothing
    , _ltfrLimit = Nothing
    , _ltfrResourceId = pResourceId_
    }


-- | Reserved for future use.
ltfrNextToken :: Lens' ListTagsForResource (Maybe Text)
ltfrNextToken = lens _ltfrNextToken (\ s a -> s{_ltfrNextToken = a})

-- | Reserved for future use.
ltfrLimit :: Lens' ListTagsForResource (Maybe Natural)
ltfrLimit = lens _ltfrLimit (\ s a -> s{_ltfrLimit = a}) . mapping _Nat

-- | Identifier (ID) of the directory for which you want to retrieve tags.
ltfrResourceId :: Lens' ListTagsForResource Text
ltfrResourceId = lens _ltfrResourceId (\ s a -> s{_ltfrResourceId = a})

instance AWSRequest ListTagsForResource where
        type Rs ListTagsForResource =
             ListTagsForResourceResponse
        request = postJSON directoryService
        response
          = receiveJSON
              (\ s h x ->
                 ListTagsForResourceResponse' <$>
                   (x .?> "NextToken") <*> (x .?> "Tags" .!@ mempty) <*>
                     (pure (fromEnum s)))

instance Hashable ListTagsForResource where

instance NFData ListTagsForResource where

instance ToHeaders ListTagsForResource where
        toHeaders
          = const
              (mconcat
                 ["X-Amz-Target" =#
                    ("DirectoryService_20150416.ListTagsForResource" ::
                       ByteString),
                  "Content-Type" =#
                    ("application/x-amz-json-1.1" :: ByteString)])

instance ToJSON ListTagsForResource where
        toJSON ListTagsForResource'{..}
          = object
              (catMaybes
                 [("NextToken" .=) <$> _ltfrNextToken,
                  ("Limit" .=) <$> _ltfrLimit,
                  Just ("ResourceId" .= _ltfrResourceId)])

instance ToPath ListTagsForResource where
        toPath = const "/"

instance ToQuery ListTagsForResource where
        toQuery = const mempty

-- | /See:/ 'listTagsForResourceResponse' smart constructor.
data ListTagsForResourceResponse = ListTagsForResourceResponse'
  { _ltfrrsNextToken      :: !(Maybe Text)
  , _ltfrrsTags           :: !(Maybe [Tag])
  , _ltfrrsResponseStatus :: !Int
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListTagsForResourceResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ltfrrsNextToken' - Reserved for future use.
--
-- * 'ltfrrsTags' - List of tags returned by the ListTagsForResource operation.
--
-- * 'ltfrrsResponseStatus' - -- | The response status code.
listTagsForResourceResponse
    :: Int -- ^ 'ltfrrsResponseStatus'
    -> ListTagsForResourceResponse
listTagsForResourceResponse pResponseStatus_ =
  ListTagsForResourceResponse'
    { _ltfrrsNextToken = Nothing
    , _ltfrrsTags = Nothing
    , _ltfrrsResponseStatus = pResponseStatus_
    }


-- | Reserved for future use.
ltfrrsNextToken :: Lens' ListTagsForResourceResponse (Maybe Text)
ltfrrsNextToken = lens _ltfrrsNextToken (\ s a -> s{_ltfrrsNextToken = a})

-- | List of tags returned by the ListTagsForResource operation.
ltfrrsTags :: Lens' ListTagsForResourceResponse [Tag]
ltfrrsTags = lens _ltfrrsTags (\ s a -> s{_ltfrrsTags = a}) . _Default . _Coerce

-- | -- | The response status code.
ltfrrsResponseStatus :: Lens' ListTagsForResourceResponse Int
ltfrrsResponseStatus = lens _ltfrrsResponseStatus (\ s a -> s{_ltfrrsResponseStatus = a})

instance NFData ListTagsForResourceResponse where