{-# 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.CloudDirectory.ListTagsForResource
-- Copyright   : (c) 2013-2017 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 tags for a resource. Tagging is currently supported only for directories with a limit of 50 tags per directory. All 50 tags are returned for a given directory with this API call.
--
--
module Network.AWS.CloudDirectory.ListTagsForResource
    (
    -- * Creating a Request
      listTagsForResource
    , ListTagsForResource
    -- * Request Lenses
    , ltfrNextToken
    , ltfrMaxResults
    , ltfrResourceARN

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

import Network.AWS.CloudDirectory.Types
import Network.AWS.CloudDirectory.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)
  , _ltfrMaxResults  :: !(Maybe Nat)
  , _ltfrResourceARN :: !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' - The pagination token. This is for future use. Currently pagination is not supported for tagging.
--
-- * 'ltfrMaxResults' - The @MaxResults@ parameter sets the maximum number of results returned in a single page. This is for future use and is not supported currently.
--
-- * 'ltfrResourceARN' - The Amazon Resource Name (ARN) of the resource. Tagging is only supported for directories.
listTagsForResource
    :: Text -- ^ 'ltfrResourceARN'
    -> ListTagsForResource
listTagsForResource pResourceARN_ =
  ListTagsForResource'
  { _ltfrNextToken = Nothing
  , _ltfrMaxResults = Nothing
  , _ltfrResourceARN = pResourceARN_
  }


-- | The pagination token. This is for future use. Currently pagination is not supported for tagging.
ltfrNextToken :: Lens' ListTagsForResource (Maybe Text)
ltfrNextToken = lens _ltfrNextToken (\ s a -> s{_ltfrNextToken = a});

-- | The @MaxResults@ parameter sets the maximum number of results returned in a single page. This is for future use and is not supported currently.
ltfrMaxResults :: Lens' ListTagsForResource (Maybe Natural)
ltfrMaxResults = lens _ltfrMaxResults (\ s a -> s{_ltfrMaxResults = a}) . mapping _Nat;

-- | The Amazon Resource Name (ARN) of the resource. Tagging is only supported for directories.
ltfrResourceARN :: Lens' ListTagsForResource Text
ltfrResourceARN = lens _ltfrResourceARN (\ s a -> s{_ltfrResourceARN = a});

instance AWSRequest ListTagsForResource where
        type Rs ListTagsForResource =
             ListTagsForResourceResponse
        request = postJSON cloudDirectory
        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 mempty

instance ToJSON ListTagsForResource where
        toJSON ListTagsForResource'{..}
          = object
              (catMaybes
                 [("NextToken" .=) <$> _ltfrNextToken,
                  ("MaxResults" .=) <$> _ltfrMaxResults,
                  Just ("ResourceArn" .= _ltfrResourceARN)])

instance ToPath ListTagsForResource where
        toPath
          = const "/amazonclouddirectory/2017-01-11/tags"

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' - The token to use to retrieve the next page of results. This value is null when there are no more results to return.
--
-- * 'ltfrrsTags' - A list of tag key value pairs that are associated with the response.
--
-- * 'ltfrrsResponseStatus' - -- | The response status code.
listTagsForResourceResponse
    :: Int -- ^ 'ltfrrsResponseStatus'
    -> ListTagsForResourceResponse
listTagsForResourceResponse pResponseStatus_ =
  ListTagsForResourceResponse'
  { _ltfrrsNextToken = Nothing
  , _ltfrrsTags = Nothing
  , _ltfrrsResponseStatus = pResponseStatus_
  }


-- | The token to use to retrieve the next page of results. This value is null when there are no more results to return.
ltfrrsNextToken :: Lens' ListTagsForResourceResponse (Maybe Text)
ltfrrsNextToken = lens _ltfrrsNextToken (\ s a -> s{_ltfrrsNextToken = a});

-- | A list of tag key value pairs that are associated with the response.
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