{-# 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.StorageGateway.ListTagsForResource
-- Copyright   : (c) 2013-2015 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)
--
-- This operation lists the tags that have been added to the specified
-- resource.
--
-- /See:/ <http://docs.aws.amazon.com/storagegateway/latest/APIReference/API_ListTagsForResource.html AWS API Reference> for ListTagsForResource.
module Network.AWS.StorageGateway.ListTagsForResource
    (
    -- * Creating a Request
      listTagsForResource
    , ListTagsForResource
    -- * Request Lenses
    , ltfrResourceARN
    , ltfrMarker
    , ltfrLimit

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

import           Network.AWS.Prelude
import           Network.AWS.Request
import           Network.AWS.Response
import           Network.AWS.StorageGateway.Types
import           Network.AWS.StorageGateway.Types.Product

-- | ListTagsForResourceInput
--
-- /See:/ 'listTagsForResource' smart constructor.
data ListTagsForResource = ListTagsForResource'
    { _ltfrResourceARN :: !(Maybe Text)
    , _ltfrMarker      :: !(Maybe Text)
    , _ltfrLimit       :: !(Maybe Nat)
    } 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:
--
-- * 'ltfrResourceARN'
--
-- * 'ltfrMarker'
--
-- * 'ltfrLimit'
listTagsForResource
    :: ListTagsForResource
listTagsForResource =
    ListTagsForResource'
    { _ltfrResourceARN = Nothing
    , _ltfrMarker = Nothing
    , _ltfrLimit = Nothing
    }

-- | The Amazon Resource Name (ARN) of the resource for which you want to
-- list tags.
ltfrResourceARN :: Lens' ListTagsForResource (Maybe Text)
ltfrResourceARN = lens _ltfrResourceARN (\ s a -> s{_ltfrResourceARN = a});

-- | An opaque string that indicates the position at which to begin returning
-- the list of tags.
ltfrMarker :: Lens' ListTagsForResource (Maybe Text)
ltfrMarker = lens _ltfrMarker (\ s a -> s{_ltfrMarker = a});

-- | Specifies that the list of tags returned be limited to the specified
-- number of items.
ltfrLimit :: Lens' ListTagsForResource (Maybe Natural)
ltfrLimit = lens _ltfrLimit (\ s a -> s{_ltfrLimit = a}) . mapping _Nat;

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

instance ToHeaders ListTagsForResource where
        toHeaders
          = const
              (mconcat
                 ["X-Amz-Target" =#
                    ("StorageGateway_20130630.ListTagsForResource" ::
                       ByteString),
                  "Content-Type" =#
                    ("application/x-amz-json-1.1" :: ByteString)])

instance ToJSON ListTagsForResource where
        toJSON ListTagsForResource'{..}
          = object
              (catMaybes
                 [("ResourceARN" .=) <$> _ltfrResourceARN,
                  ("Marker" .=) <$> _ltfrMarker,
                  ("Limit" .=) <$> _ltfrLimit])

instance ToPath ListTagsForResource where
        toPath = const "/"

instance ToQuery ListTagsForResource where
        toQuery = const mempty

-- | ListTagsForResourceOutput
--
-- /See:/ 'listTagsForResourceResponse' smart constructor.
data ListTagsForResourceResponse = ListTagsForResourceResponse'
    { _ltfrrsResourceARN    :: !(Maybe Text)
    , _ltfrrsMarker         :: !(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:
--
-- * 'ltfrrsResourceARN'
--
-- * 'ltfrrsMarker'
--
-- * 'ltfrrsTags'
--
-- * 'ltfrrsResponseStatus'
listTagsForResourceResponse
    :: Int -- ^ 'ltfrrsResponseStatus'
    -> ListTagsForResourceResponse
listTagsForResourceResponse pResponseStatus_ =
    ListTagsForResourceResponse'
    { _ltfrrsResourceARN = Nothing
    , _ltfrrsMarker = Nothing
    , _ltfrrsTags = Nothing
    , _ltfrrsResponseStatus = pResponseStatus_
    }

-- | he Amazon Resource Name (ARN) of the resource for which you want to list
-- tags.
ltfrrsResourceARN :: Lens' ListTagsForResourceResponse (Maybe Text)
ltfrrsResourceARN = lens _ltfrrsResourceARN (\ s a -> s{_ltfrrsResourceARN = a});

-- | An opaque string that indicates the position at which to stop returning
-- the list of tags.
ltfrrsMarker :: Lens' ListTagsForResourceResponse (Maybe Text)
ltfrrsMarker = lens _ltfrrsMarker (\ s a -> s{_ltfrrsMarker = a});

-- | An array that contains the tags for the specified resource.
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});