{-# 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.IAM.ListMFADevices
-- 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)
--
-- Lists the MFA devices. If the request includes the user name, then this
-- action lists all the MFA devices associated with the specified user
-- name. If you do not specify a user name, IAM determines the user name
-- implicitly based on the AWS access key ID signing the request.
--
-- You can paginate the results using the 'MaxItems' and 'Marker'
-- parameters.
--
-- /See:/ <http://docs.aws.amazon.com/IAM/latest/APIReference/API_ListMFADevices.html AWS API Reference> for ListMFADevices.
--
-- This operation returns paginated results.
module Network.AWS.IAM.ListMFADevices
    (
    -- * Creating a Request
      listMFADevices
    , ListMFADevices
    -- * Request Lenses
    , lmdUserName
    , lmdMarker
    , lmdMaxItems

    -- * Destructuring the Response
    , listMFADevicesResponse
    , ListMFADevicesResponse
    -- * Response Lenses
    , lmdrsMarker
    , lmdrsIsTruncated
    , lmdrsResponseStatus
    , lmdrsMFADevices
    ) where

import           Network.AWS.IAM.Types
import           Network.AWS.IAM.Types.Product
import           Network.AWS.Pager
import           Network.AWS.Prelude
import           Network.AWS.Request
import           Network.AWS.Response

-- | /See:/ 'listMFADevices' smart constructor.
data ListMFADevices = ListMFADevices'
    { _lmdUserName :: !(Maybe Text)
    , _lmdMarker   :: !(Maybe Text)
    , _lmdMaxItems :: !(Maybe Nat)
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ListMFADevices' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lmdUserName'
--
-- * 'lmdMarker'
--
-- * 'lmdMaxItems'
listMFADevices
    :: ListMFADevices
listMFADevices =
    ListMFADevices'
    { _lmdUserName = Nothing
    , _lmdMarker = Nothing
    , _lmdMaxItems = Nothing
    }

-- | The name of the user whose MFA devices you want to list.
lmdUserName :: Lens' ListMFADevices (Maybe Text)
lmdUserName = lens _lmdUserName (\ s a -> s{_lmdUserName = a});

-- | Use this parameter only when paginating results and only after you
-- receive a response indicating that the results are truncated. Set it to
-- the value of the 'Marker' element in the response you received to inform
-- the next call about where to start.
lmdMarker :: Lens' ListMFADevices (Maybe Text)
lmdMarker = lens _lmdMarker (\ s a -> s{_lmdMarker = a});

-- | Use this only when paginating results to indicate the maximum number of
-- items you want in the response. If there are additional items beyond the
-- maximum you specify, the 'IsTruncated' response element is 'true'.
--
-- This parameter is optional. If you do not include it, it defaults to
-- 100. Note that IAM might return fewer results, even when there are more
-- results available. If this is the case, the 'IsTruncated' response
-- element returns 'true' and 'Marker' contains a value to include in the
-- subsequent call that tells the service where to continue from.
lmdMaxItems :: Lens' ListMFADevices (Maybe Natural)
lmdMaxItems = lens _lmdMaxItems (\ s a -> s{_lmdMaxItems = a}) . mapping _Nat;

instance AWSPager ListMFADevices where
        page rq rs
          | stop (rs ^. lmdrsIsTruncated) = Nothing
          | isNothing (rs ^. lmdrsMarker) = Nothing
          | otherwise =
            Just $ rq & lmdMarker .~ rs ^. lmdrsMarker

instance AWSRequest ListMFADevices where
        type Rs ListMFADevices = ListMFADevicesResponse
        request = postQuery iAM
        response
          = receiveXMLWrapper "ListMFADevicesResult"
              (\ s h x ->
                 ListMFADevicesResponse' <$>
                   (x .@? "Marker") <*> (x .@? "IsTruncated") <*>
                     (pure (fromEnum s))
                     <*>
                     (x .@? "MFADevices" .!@ mempty >>=
                        parseXMLList "member"))

instance ToHeaders ListMFADevices where
        toHeaders = const mempty

instance ToPath ListMFADevices where
        toPath = const "/"

instance ToQuery ListMFADevices where
        toQuery ListMFADevices'{..}
          = mconcat
              ["Action" =: ("ListMFADevices" :: ByteString),
               "Version" =: ("2010-05-08" :: ByteString),
               "UserName" =: _lmdUserName, "Marker" =: _lmdMarker,
               "MaxItems" =: _lmdMaxItems]

-- | Contains the response to a successful ListMFADevices request.
--
-- /See:/ 'listMFADevicesResponse' smart constructor.
data ListMFADevicesResponse = ListMFADevicesResponse'
    { _lmdrsMarker         :: !(Maybe Text)
    , _lmdrsIsTruncated    :: !(Maybe Bool)
    , _lmdrsResponseStatus :: !Int
    , _lmdrsMFADevices     :: ![MFADevice]
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ListMFADevicesResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lmdrsMarker'
--
-- * 'lmdrsIsTruncated'
--
-- * 'lmdrsResponseStatus'
--
-- * 'lmdrsMFADevices'
listMFADevicesResponse
    :: Int -- ^ 'lmdrsResponseStatus'
    -> ListMFADevicesResponse
listMFADevicesResponse pResponseStatus_ =
    ListMFADevicesResponse'
    { _lmdrsMarker = Nothing
    , _lmdrsIsTruncated = Nothing
    , _lmdrsResponseStatus = pResponseStatus_
    , _lmdrsMFADevices = mempty
    }

-- | When 'IsTruncated' is 'true', this element is present and contains the
-- value to use for the 'Marker' parameter in a subsequent pagination
-- request.
lmdrsMarker :: Lens' ListMFADevicesResponse (Maybe Text)
lmdrsMarker = lens _lmdrsMarker (\ s a -> s{_lmdrsMarker = a});

-- | A flag that indicates whether there are more items to return. If your
-- results were truncated, you can make a subsequent pagination request
-- using the 'Marker' request parameter to retrieve more items. Note that
-- IAM might return fewer than the 'MaxItems' number of results even when
-- there are more results available. We recommend that you check
-- 'IsTruncated' after every call to ensure that you receive all of your
-- results.
lmdrsIsTruncated :: Lens' ListMFADevicesResponse (Maybe Bool)
lmdrsIsTruncated = lens _lmdrsIsTruncated (\ s a -> s{_lmdrsIsTruncated = a});

-- | The response status code.
lmdrsResponseStatus :: Lens' ListMFADevicesResponse Int
lmdrsResponseStatus = lens _lmdrsResponseStatus (\ s a -> s{_lmdrsResponseStatus = a});

-- | A list of MFA devices.
lmdrsMFADevices :: Lens' ListMFADevicesResponse [MFADevice]
lmdrsMFADevices = lens _lmdrsMFADevices (\ s a -> s{_lmdrsMFADevices = a}) . _Coerce;