{-# 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.DescribeDomainControllers
-- 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)
--
-- Provides information about any domain controllers in your directory.
--
--
module Network.AWS.DirectoryService.DescribeDomainControllers
    (
    -- * Creating a Request
      describeDomainControllers
    , DescribeDomainControllers
    -- * Request Lenses
    , ddcNextToken
    , ddcDomainControllerIds
    , ddcLimit
    , ddcDirectoryId

    -- * Destructuring the Response
    , describeDomainControllersResponse
    , DescribeDomainControllersResponse
    -- * Response Lenses
    , ddcrsNextToken
    , ddcrsDomainControllers
    , ddcrsResponseStatus
    ) 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:/ 'describeDomainControllers' smart constructor.
data DescribeDomainControllers = DescribeDomainControllers'
  { _ddcNextToken           :: !(Maybe Text)
  , _ddcDomainControllerIds :: !(Maybe [Text])
  , _ddcLimit               :: !(Maybe Nat)
  , _ddcDirectoryId         :: !Text
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'DescribeDomainControllers' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ddcNextToken' - The /DescribeDomainControllers.NextToken/ value from a previous call to 'DescribeDomainControllers' . Pass null if this is the first call.
--
-- * 'ddcDomainControllerIds' - A list of identifiers for the domain controllers whose information will be provided.
--
-- * 'ddcLimit' - The maximum number of items to return.
--
-- * 'ddcDirectoryId' - Identifier of the directory for which to retrieve the domain controller information.
describeDomainControllers
    :: Text -- ^ 'ddcDirectoryId'
    -> DescribeDomainControllers
describeDomainControllers pDirectoryId_ =
  DescribeDomainControllers'
  { _ddcNextToken = Nothing
  , _ddcDomainControllerIds = Nothing
  , _ddcLimit = Nothing
  , _ddcDirectoryId = pDirectoryId_
  }


-- | The /DescribeDomainControllers.NextToken/ value from a previous call to 'DescribeDomainControllers' . Pass null if this is the first call.
ddcNextToken :: Lens' DescribeDomainControllers (Maybe Text)
ddcNextToken = lens _ddcNextToken (\ s a -> s{_ddcNextToken = a});

-- | A list of identifiers for the domain controllers whose information will be provided.
ddcDomainControllerIds :: Lens' DescribeDomainControllers [Text]
ddcDomainControllerIds = lens _ddcDomainControllerIds (\ s a -> s{_ddcDomainControllerIds = a}) . _Default . _Coerce;

-- | The maximum number of items to return.
ddcLimit :: Lens' DescribeDomainControllers (Maybe Natural)
ddcLimit = lens _ddcLimit (\ s a -> s{_ddcLimit = a}) . mapping _Nat;

-- | Identifier of the directory for which to retrieve the domain controller information.
ddcDirectoryId :: Lens' DescribeDomainControllers Text
ddcDirectoryId = lens _ddcDirectoryId (\ s a -> s{_ddcDirectoryId = a});

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

instance Hashable DescribeDomainControllers where

instance NFData DescribeDomainControllers where

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

instance ToJSON DescribeDomainControllers where
        toJSON DescribeDomainControllers'{..}
          = object
              (catMaybes
                 [("NextToken" .=) <$> _ddcNextToken,
                  ("DomainControllerIds" .=) <$>
                    _ddcDomainControllerIds,
                  ("Limit" .=) <$> _ddcLimit,
                  Just ("DirectoryId" .= _ddcDirectoryId)])

instance ToPath DescribeDomainControllers where
        toPath = const "/"

instance ToQuery DescribeDomainControllers where
        toQuery = const mempty

-- | /See:/ 'describeDomainControllersResponse' smart constructor.
data DescribeDomainControllersResponse = DescribeDomainControllersResponse'
  { _ddcrsNextToken         :: !(Maybe Text)
  , _ddcrsDomainControllers :: !(Maybe [DomainController])
  , _ddcrsResponseStatus    :: !Int
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'DescribeDomainControllersResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ddcrsNextToken' - If not null, more results are available. Pass this value for the @NextToken@ parameter in a subsequent call to 'DescribeDomainControllers' retrieve the next set of items.
--
-- * 'ddcrsDomainControllers' - List of the 'DomainController' objects that were retrieved.
--
-- * 'ddcrsResponseStatus' - -- | The response status code.
describeDomainControllersResponse
    :: Int -- ^ 'ddcrsResponseStatus'
    -> DescribeDomainControllersResponse
describeDomainControllersResponse pResponseStatus_ =
  DescribeDomainControllersResponse'
  { _ddcrsNextToken = Nothing
  , _ddcrsDomainControllers = Nothing
  , _ddcrsResponseStatus = pResponseStatus_
  }


-- | If not null, more results are available. Pass this value for the @NextToken@ parameter in a subsequent call to 'DescribeDomainControllers' retrieve the next set of items.
ddcrsNextToken :: Lens' DescribeDomainControllersResponse (Maybe Text)
ddcrsNextToken = lens _ddcrsNextToken (\ s a -> s{_ddcrsNextToken = a});

-- | List of the 'DomainController' objects that were retrieved.
ddcrsDomainControllers :: Lens' DescribeDomainControllersResponse [DomainController]
ddcrsDomainControllers = lens _ddcrsDomainControllers (\ s a -> s{_ddcrsDomainControllers = a}) . _Default . _Coerce;

-- | -- | The response status code.
ddcrsResponseStatus :: Lens' DescribeDomainControllersResponse Int
ddcrsResponseStatus = lens _ddcrsResponseStatus (\ s a -> s{_ddcrsResponseStatus = a});

instance NFData DescribeDomainControllersResponse
         where