{-# 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.Inspector.ListEventSubscriptions
-- 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)
--
-- Lists all the event subscriptions for the assessment template that is specified by the ARN of the assessment template. For more information, see 'SubscribeToEvent' and 'UnsubscribeFromEvent' .
--
--
module Network.AWS.Inspector.ListEventSubscriptions
    (
    -- * Creating a Request
      listEventSubscriptions
    , ListEventSubscriptions
    -- * Request Lenses
    , lesNextToken
    , lesResourceARN
    , lesMaxResults

    -- * Destructuring the Response
    , listEventSubscriptionsResponse
    , ListEventSubscriptionsResponse
    -- * Response Lenses
    , lesrsNextToken
    , lesrsResponseStatus
    , lesrsSubscriptions
    ) where

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

-- | /See:/ 'listEventSubscriptions' smart constructor.
data ListEventSubscriptions = ListEventSubscriptions'
    { _lesNextToken   :: !(Maybe Text)
    , _lesResourceARN :: !(Maybe Text)
    , _lesMaxResults  :: !(Maybe Int)
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ListEventSubscriptions' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lesNextToken' - You can use this parameter when paginating results. Set the value of this parameter to null on your first call to the __ListEventSubscriptions__ action. Subsequent calls to the action fill __nextToken__ in the request with the value of __NextToken__ from the previous response to continue listing data.
--
-- * 'lesResourceARN' - The ARN of the assessment template for which you want to list the existing event subscriptions.
--
-- * 'lesMaxResults' - You can use this parameter to indicate the maximum number of items you want in the response. The default value is 10. The maximum value is 500.
listEventSubscriptions
    :: ListEventSubscriptions
listEventSubscriptions =
    ListEventSubscriptions'
    { _lesNextToken = Nothing
    , _lesResourceARN = Nothing
    , _lesMaxResults = Nothing
    }

-- | You can use this parameter when paginating results. Set the value of this parameter to null on your first call to the __ListEventSubscriptions__ action. Subsequent calls to the action fill __nextToken__ in the request with the value of __NextToken__ from the previous response to continue listing data.
lesNextToken :: Lens' ListEventSubscriptions (Maybe Text)
lesNextToken = lens _lesNextToken (\ s a -> s{_lesNextToken = a});

-- | The ARN of the assessment template for which you want to list the existing event subscriptions.
lesResourceARN :: Lens' ListEventSubscriptions (Maybe Text)
lesResourceARN = lens _lesResourceARN (\ s a -> s{_lesResourceARN = a});

-- | You can use this parameter to indicate the maximum number of items you want in the response. The default value is 10. The maximum value is 500.
lesMaxResults :: Lens' ListEventSubscriptions (Maybe Int)
lesMaxResults = lens _lesMaxResults (\ s a -> s{_lesMaxResults = a});

instance AWSRequest ListEventSubscriptions where
        type Rs ListEventSubscriptions =
             ListEventSubscriptionsResponse
        request = postJSON inspector
        response
          = receiveJSON
              (\ s h x ->
                 ListEventSubscriptionsResponse' <$>
                   (x .?> "nextToken") <*> (pure (fromEnum s)) <*>
                     (x .?> "subscriptions" .!@ mempty))

instance Hashable ListEventSubscriptions

instance NFData ListEventSubscriptions

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

instance ToJSON ListEventSubscriptions where
        toJSON ListEventSubscriptions'{..}
          = object
              (catMaybes
                 [("nextToken" .=) <$> _lesNextToken,
                  ("resourceArn" .=) <$> _lesResourceARN,
                  ("maxResults" .=) <$> _lesMaxResults])

instance ToPath ListEventSubscriptions where
        toPath = const "/"

instance ToQuery ListEventSubscriptions where
        toQuery = const mempty

-- | /See:/ 'listEventSubscriptionsResponse' smart constructor.
data ListEventSubscriptionsResponse = ListEventSubscriptionsResponse'
    { _lesrsNextToken      :: !(Maybe Text)
    , _lesrsResponseStatus :: !Int
    , _lesrsSubscriptions  :: ![Subscription]
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'ListEventSubscriptionsResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'lesrsNextToken' - When a response is generated, if there is more data to be listed, this parameter is present in the response and contains the value to use for the __nextToken__ parameter in a subsequent pagination request. If there is no more data to be listed, this parameter is set to null.
--
-- * 'lesrsResponseStatus' - -- | The response status code.
--
-- * 'lesrsSubscriptions' - Details of the returned event subscriptions.
listEventSubscriptionsResponse
    :: Int -- ^ 'lesrsResponseStatus'
    -> ListEventSubscriptionsResponse
listEventSubscriptionsResponse pResponseStatus_ =
    ListEventSubscriptionsResponse'
    { _lesrsNextToken = Nothing
    , _lesrsResponseStatus = pResponseStatus_
    , _lesrsSubscriptions = mempty
    }

-- | When a response is generated, if there is more data to be listed, this parameter is present in the response and contains the value to use for the __nextToken__ parameter in a subsequent pagination request. If there is no more data to be listed, this parameter is set to null.
lesrsNextToken :: Lens' ListEventSubscriptionsResponse (Maybe Text)
lesrsNextToken = lens _lesrsNextToken (\ s a -> s{_lesrsNextToken = a});

-- | -- | The response status code.
lesrsResponseStatus :: Lens' ListEventSubscriptionsResponse Int
lesrsResponseStatus = lens _lesrsResponseStatus (\ s a -> s{_lesrsResponseStatus = a});

-- | Details of the returned event subscriptions.
lesrsSubscriptions :: Lens' ListEventSubscriptionsResponse [Subscription]
lesrsSubscriptions = lens _lesrsSubscriptions (\ s a -> s{_lesrsSubscriptions = a}) . _Coerce;

instance NFData ListEventSubscriptionsResponse