{-# 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.StepFunctions.SendTaskFailure
-- 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)
--
-- Used by workers to report that the task identified by the @taskToken@ failed.
--
--
module Network.AWS.StepFunctions.SendTaskFailure
    (
    -- * Creating a Request
      sendTaskFailure
    , SendTaskFailure
    -- * Request Lenses
    , stfError
    , stfCause
    , stfTaskToken

    -- * Destructuring the Response
    , sendTaskFailureResponse
    , SendTaskFailureResponse
    -- * Response Lenses
    , stfrsResponseStatus
    ) where

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

-- | /See:/ 'sendTaskFailure' smart constructor.
data SendTaskFailure = SendTaskFailure'
    { _stfError     :: !(Maybe Text)
    , _stfCause     :: !(Maybe Text)
    , _stfTaskToken :: !Text
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'SendTaskFailure' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'stfError' - An arbitrary error code that identifies the cause of the failure.
--
-- * 'stfCause' - A more detailed explanation of the cause of the failure.
--
-- * 'stfTaskToken' - The token that represents this task. Task tokens are generated by the service when the tasks are assigned to a worker (see GetActivityTask::taskToken).
sendTaskFailure
    :: Text -- ^ 'stfTaskToken'
    -> SendTaskFailure
sendTaskFailure pTaskToken_ =
    SendTaskFailure'
    { _stfError = Nothing
    , _stfCause = Nothing
    , _stfTaskToken = pTaskToken_
    }

-- | An arbitrary error code that identifies the cause of the failure.
stfError :: Lens' SendTaskFailure (Maybe Text)
stfError = lens _stfError (\ s a -> s{_stfError = a});

-- | A more detailed explanation of the cause of the failure.
stfCause :: Lens' SendTaskFailure (Maybe Text)
stfCause = lens _stfCause (\ s a -> s{_stfCause = a});

-- | The token that represents this task. Task tokens are generated by the service when the tasks are assigned to a worker (see GetActivityTask::taskToken).
stfTaskToken :: Lens' SendTaskFailure Text
stfTaskToken = lens _stfTaskToken (\ s a -> s{_stfTaskToken = a});

instance AWSRequest SendTaskFailure where
        type Rs SendTaskFailure = SendTaskFailureResponse
        request = postJSON stepFunctions
        response
          = receiveEmpty
              (\ s h x ->
                 SendTaskFailureResponse' <$> (pure (fromEnum s)))

instance Hashable SendTaskFailure

instance NFData SendTaskFailure

instance ToHeaders SendTaskFailure where
        toHeaders
          = const
              (mconcat
                 ["X-Amz-Target" =#
                    ("AWSStepFunctions.SendTaskFailure" :: ByteString),
                  "Content-Type" =#
                    ("application/x-amz-json-1.0" :: ByteString)])

instance ToJSON SendTaskFailure where
        toJSON SendTaskFailure'{..}
          = object
              (catMaybes
                 [("error" .=) <$> _stfError,
                  ("cause" .=) <$> _stfCause,
                  Just ("taskToken" .= _stfTaskToken)])

instance ToPath SendTaskFailure where
        toPath = const "/"

instance ToQuery SendTaskFailure where
        toQuery = const mempty

-- | /See:/ 'sendTaskFailureResponse' smart constructor.
newtype SendTaskFailureResponse = SendTaskFailureResponse'
    { _stfrsResponseStatus :: Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'SendTaskFailureResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'stfrsResponseStatus' - -- | The response status code.
sendTaskFailureResponse
    :: Int -- ^ 'stfrsResponseStatus'
    -> SendTaskFailureResponse
sendTaskFailureResponse pResponseStatus_ =
    SendTaskFailureResponse'
    { _stfrsResponseStatus = pResponseStatus_
    }

-- | -- | The response status code.
stfrsResponseStatus :: Lens' SendTaskFailureResponse Int
stfrsResponseStatus = lens _stfrsResponseStatus (\ s a -> s{_stfrsResponseStatus = a});

instance NFData SendTaskFailureResponse