{-# 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.AppSync.ListAPIKeys
-- Copyright   : (c) 2013-2018 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)
--
-- Lists the API keys for a given API.
--
--
module Network.AWS.AppSync.ListAPIKeys
    (
    -- * Creating a Request
      listAPIKeys
    , ListAPIKeys
    -- * Request Lenses
    , lakNextToken
    , lakMaxResults
    , lakApiId

    -- * Destructuring the Response
    , listAPIKeysResponse
    , ListAPIKeysResponse
    -- * Response Lenses
    , lakrsApiKeys
    , lakrsNextToken
    , lakrsResponseStatus
    ) where

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

-- | /See:/ 'listAPIKeys' smart constructor.
data ListAPIKeys = ListAPIKeys'
  { _lakNextToken  :: !(Maybe Text)
  , _lakMaxResults :: !(Maybe Nat)
  , _lakApiId      :: !Text
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListAPIKeys' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lakNextToken' - An identifier that was returned from the previous call to this operation, which can be used to return the next set of items in the list.
--
-- * 'lakMaxResults' - The maximum number of results you want the request to return.
--
-- * 'lakApiId' - The API ID.
listAPIKeys
    :: Text -- ^ 'lakApiId'
    -> ListAPIKeys
listAPIKeys pApiId_ =
  ListAPIKeys'
    {_lakNextToken = Nothing, _lakMaxResults = Nothing, _lakApiId = pApiId_}


-- | An identifier that was returned from the previous call to this operation, which can be used to return the next set of items in the list.
lakNextToken :: Lens' ListAPIKeys (Maybe Text)
lakNextToken = lens _lakNextToken (\ s a -> s{_lakNextToken = a})

-- | The maximum number of results you want the request to return.
lakMaxResults :: Lens' ListAPIKeys (Maybe Natural)
lakMaxResults = lens _lakMaxResults (\ s a -> s{_lakMaxResults = a}) . mapping _Nat

-- | The API ID.
lakApiId :: Lens' ListAPIKeys Text
lakApiId = lens _lakApiId (\ s a -> s{_lakApiId = a})

instance AWSRequest ListAPIKeys where
        type Rs ListAPIKeys = ListAPIKeysResponse
        request = get appSync
        response
          = receiveJSON
              (\ s h x ->
                 ListAPIKeysResponse' <$>
                   (x .?> "apiKeys" .!@ mempty) <*> (x .?> "nextToken")
                     <*> (pure (fromEnum s)))

instance Hashable ListAPIKeys where

instance NFData ListAPIKeys where

instance ToHeaders ListAPIKeys where
        toHeaders
          = const
              (mconcat
                 ["Content-Type" =#
                    ("application/x-amz-json-1.1" :: ByteString)])

instance ToPath ListAPIKeys where
        toPath ListAPIKeys'{..}
          = mconcat ["/v1/apis/", toBS _lakApiId, "/apikeys"]

instance ToQuery ListAPIKeys where
        toQuery ListAPIKeys'{..}
          = mconcat
              ["nextToken" =: _lakNextToken,
               "maxResults" =: _lakMaxResults]

-- | /See:/ 'listAPIKeysResponse' smart constructor.
data ListAPIKeysResponse = ListAPIKeysResponse'
  { _lakrsApiKeys        :: !(Maybe [APIKey])
  , _lakrsNextToken      :: !(Maybe Text)
  , _lakrsResponseStatus :: !Int
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListAPIKeysResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lakrsApiKeys' - The @ApiKey@ objects.
--
-- * 'lakrsNextToken' - An identifier to be passed in the next request to this operation to return the next set of items in the list.
--
-- * 'lakrsResponseStatus' - -- | The response status code.
listAPIKeysResponse
    :: Int -- ^ 'lakrsResponseStatus'
    -> ListAPIKeysResponse
listAPIKeysResponse pResponseStatus_ =
  ListAPIKeysResponse'
    { _lakrsApiKeys = Nothing
    , _lakrsNextToken = Nothing
    , _lakrsResponseStatus = pResponseStatus_
    }


-- | The @ApiKey@ objects.
lakrsApiKeys :: Lens' ListAPIKeysResponse [APIKey]
lakrsApiKeys = lens _lakrsApiKeys (\ s a -> s{_lakrsApiKeys = a}) . _Default . _Coerce

-- | An identifier to be passed in the next request to this operation to return the next set of items in the list.
lakrsNextToken :: Lens' ListAPIKeysResponse (Maybe Text)
lakrsNextToken = lens _lakrsNextToken (\ s a -> s{_lakrsNextToken = a})

-- | -- | The response status code.
lakrsResponseStatus :: Lens' ListAPIKeysResponse Int
lakrsResponseStatus = lens _lakrsResponseStatus (\ s a -> s{_lakrsResponseStatus = a})

instance NFData ListAPIKeysResponse where