{-# 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.Glue.GetTriggers
-- 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)
--
-- Gets all the triggers associated with a job.
--
--
module Network.AWS.Glue.GetTriggers
    (
    -- * Creating a Request
      getTriggers
    , GetTriggers
    -- * Request Lenses
    , gtsNextToken
    , gtsMaxResults
    , gtsDependentJobName

    -- * Destructuring the Response
    , getTriggersResponse
    , GetTriggersResponse
    -- * Response Lenses
    , gttrsTriggers
    , gttrsNextToken
    , gttrsResponseStatus
    ) where

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

-- | /See:/ 'getTriggers' smart constructor.
data GetTriggers = GetTriggers'
  { _gtsNextToken        :: !(Maybe Text)
  , _gtsMaxResults       :: !(Maybe Nat)
  , _gtsDependentJobName :: !(Maybe Text)
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'GetTriggers' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'gtsNextToken' - A continuation token, if this is a continuation call.
--
-- * 'gtsMaxResults' - The maximum size of the response.
--
-- * 'gtsDependentJobName' - The name of the job for which to retrieve triggers.
getTriggers
    :: GetTriggers
getTriggers =
  GetTriggers'
  { _gtsNextToken = Nothing
  , _gtsMaxResults = Nothing
  , _gtsDependentJobName = Nothing
  }


-- | A continuation token, if this is a continuation call.
gtsNextToken :: Lens' GetTriggers (Maybe Text)
gtsNextToken = lens _gtsNextToken (\ s a -> s{_gtsNextToken = a});

-- | The maximum size of the response.
gtsMaxResults :: Lens' GetTriggers (Maybe Natural)
gtsMaxResults = lens _gtsMaxResults (\ s a -> s{_gtsMaxResults = a}) . mapping _Nat;

-- | The name of the job for which to retrieve triggers.
gtsDependentJobName :: Lens' GetTriggers (Maybe Text)
gtsDependentJobName = lens _gtsDependentJobName (\ s a -> s{_gtsDependentJobName = a});

instance AWSRequest GetTriggers where
        type Rs GetTriggers = GetTriggersResponse
        request = postJSON glue
        response
          = receiveJSON
              (\ s h x ->
                 GetTriggersResponse' <$>
                   (x .?> "Triggers" .!@ mempty) <*> (x .?> "NextToken")
                     <*> (pure (fromEnum s)))

instance Hashable GetTriggers where

instance NFData GetTriggers where

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

instance ToJSON GetTriggers where
        toJSON GetTriggers'{..}
          = object
              (catMaybes
                 [("NextToken" .=) <$> _gtsNextToken,
                  ("MaxResults" .=) <$> _gtsMaxResults,
                  ("DependentJobName" .=) <$> _gtsDependentJobName])

instance ToPath GetTriggers where
        toPath = const "/"

instance ToQuery GetTriggers where
        toQuery = const mempty

-- | /See:/ 'getTriggersResponse' smart constructor.
data GetTriggersResponse = GetTriggersResponse'
  { _gttrsTriggers       :: !(Maybe [Trigger])
  , _gttrsNextToken      :: !(Maybe Text)
  , _gttrsResponseStatus :: !Int
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'GetTriggersResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'gttrsTriggers' - A list of triggers for the specified job.
--
-- * 'gttrsNextToken' - A continuation token, if not all the requested triggers have yet been returned.
--
-- * 'gttrsResponseStatus' - -- | The response status code.
getTriggersResponse
    :: Int -- ^ 'gttrsResponseStatus'
    -> GetTriggersResponse
getTriggersResponse pResponseStatus_ =
  GetTriggersResponse'
  { _gttrsTriggers = Nothing
  , _gttrsNextToken = Nothing
  , _gttrsResponseStatus = pResponseStatus_
  }


-- | A list of triggers for the specified job.
gttrsTriggers :: Lens' GetTriggersResponse [Trigger]
gttrsTriggers = lens _gttrsTriggers (\ s a -> s{_gttrsTriggers = a}) . _Default . _Coerce;

-- | A continuation token, if not all the requested triggers have yet been returned.
gttrsNextToken :: Lens' GetTriggersResponse (Maybe Text)
gttrsNextToken = lens _gttrsNextToken (\ s a -> s{_gttrsNextToken = a});

-- | -- | The response status code.
gttrsResponseStatus :: Lens' GetTriggersResponse Int
gttrsResponseStatus = lens _gttrsResponseStatus (\ s a -> s{_gttrsResponseStatus = a});

instance NFData GetTriggersResponse where