{-# 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.EC2.DeleteTags
-- Copyright   : (c) 2013-2016 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)
--
-- Deletes the specified set of tags from the specified set of resources. This call is designed to follow a 'DescribeTags' request.
--
-- For more information about tags, see <http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html Tagging Your Resources> in the /Amazon Elastic Compute Cloud User Guide/.
module Network.AWS.EC2.DeleteTags
    (
    -- * Creating a Request
      deleteTags
    , DeleteTags
    -- * Request Lenses
    , dtsDryRun
    , dtsTags
    , dtsResources

    -- * Destructuring the Response
    , deleteTagsResponse
    , DeleteTagsResponse
    ) where

import           Network.AWS.EC2.Types
import           Network.AWS.EC2.Types.Product
import           Network.AWS.Lens
import           Network.AWS.Prelude
import           Network.AWS.Request
import           Network.AWS.Response

-- | Contains the parameters for DeleteTags.
--
-- /See:/ 'deleteTags' smart constructor.
data DeleteTags = DeleteTags'
    { _dtsDryRun    :: !(Maybe Bool)
    , _dtsTags      :: !(Maybe [Tag])
    , _dtsResources :: ![Text]
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'DeleteTags' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'dtsDryRun'
--
-- * 'dtsTags'
--
-- * 'dtsResources'
deleteTags
    :: DeleteTags
deleteTags =
    DeleteTags'
    { _dtsDryRun = Nothing
    , _dtsTags = Nothing
    , _dtsResources = mempty
    }

-- | Checks whether you have the required permissions for the action, without actually making the request, and provides an error response. If you have the required permissions, the error response is 'DryRunOperation'. Otherwise, it is 'UnauthorizedOperation'.
dtsDryRun :: Lens' DeleteTags (Maybe Bool)
dtsDryRun = lens _dtsDryRun (\ s a -> s{_dtsDryRun = a});

-- | One or more tags to delete. If you omit the 'value' parameter, we delete the tag regardless of its value. If you specify this parameter with an empty string as the value, we delete the key only if its value is an empty string.
dtsTags :: Lens' DeleteTags [Tag]
dtsTags = lens _dtsTags (\ s a -> s{_dtsTags = a}) . _Default . _Coerce;

-- | The ID of the resource. For example, ami-1a2b3c4d. You can specify more than one resource ID.
dtsResources :: Lens' DeleteTags [Text]
dtsResources = lens _dtsResources (\ s a -> s{_dtsResources = a}) . _Coerce;

instance AWSRequest DeleteTags where
        type Rs DeleteTags = DeleteTagsResponse
        request = postQuery ec2
        response = receiveNull DeleteTagsResponse'

instance Hashable DeleteTags

instance NFData DeleteTags

instance ToHeaders DeleteTags where
        toHeaders = const mempty

instance ToPath DeleteTags where
        toPath = const "/"

instance ToQuery DeleteTags where
        toQuery DeleteTags'{..}
          = mconcat
              ["Action" =: ("DeleteTags" :: ByteString),
               "Version" =: ("2015-10-01" :: ByteString),
               "DryRun" =: _dtsDryRun,
               toQuery (toQueryList "Tag" <$> _dtsTags),
               toQueryList "ResourceId" _dtsResources]

-- | /See:/ 'deleteTagsResponse' smart constructor.
data DeleteTagsResponse =
    DeleteTagsResponse'
    deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'DeleteTagsResponse' with the minimum fields required to make a request.
--
deleteTagsResponse
    :: DeleteTagsResponse
deleteTagsResponse = DeleteTagsResponse'

instance NFData DeleteTagsResponse