{-# 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.CloudFormation.DescribeStackResource
-- 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)
--
-- Returns a description of the specified resource in the specified stack.
--
-- For deleted stacks, DescribeStackResource returns resource information
-- for up to 90 days after the stack has been deleted.
--
-- /See:/ <http://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeStackResource.html AWS API Reference> for DescribeStackResource.
module Network.AWS.CloudFormation.DescribeStackResource
    (
    -- * Creating a Request
      describeStackResource
    , DescribeStackResource
    -- * Request Lenses
    , desStackName
    , desLogicalResourceId

    -- * Destructuring the Response
    , describeStackResourceResponse
    , DescribeStackResourceResponse
    -- * Response Lenses
    , dsrrsStackResourceDetail
    , dsrrsResponseStatus
    ) where

import           Network.AWS.CloudFormation.Types
import           Network.AWS.CloudFormation.Types.Product
import           Network.AWS.Prelude
import           Network.AWS.Request
import           Network.AWS.Response

-- | The input for DescribeStackResource action.
--
-- /See:/ 'describeStackResource' smart constructor.
data DescribeStackResource = DescribeStackResource'
    { _desStackName         :: !Text
    , _desLogicalResourceId :: !Text
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'DescribeStackResource' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'desStackName'
--
-- * 'desLogicalResourceId'
describeStackResource
    :: Text -- ^ 'desStackName'
    -> Text -- ^ 'desLogicalResourceId'
    -> DescribeStackResource
describeStackResource pStackName_ pLogicalResourceId_ =
    DescribeStackResource'
    { _desStackName = pStackName_
    , _desLogicalResourceId = pLogicalResourceId_
    }

-- | The name or the unique stack ID that is associated with the stack, which
-- are not always interchangeable:
--
-- -   Running stacks: You can specify either the stack\'s name or its
--     unique stack ID.
-- -   Deleted stacks: You must specify the unique stack ID.
--
-- Default: There is no default value.
desStackName :: Lens' DescribeStackResource Text
desStackName = lens _desStackName (\ s a -> s{_desStackName = a});

-- | The logical name of the resource as specified in the template.
--
-- Default: There is no default value.
desLogicalResourceId :: Lens' DescribeStackResource Text
desLogicalResourceId = lens _desLogicalResourceId (\ s a -> s{_desLogicalResourceId = a});

instance AWSRequest DescribeStackResource where
        type Rs DescribeStackResource =
             DescribeStackResourceResponse
        request = postQuery cloudFormation
        response
          = receiveXMLWrapper "DescribeStackResourceResult"
              (\ s h x ->
                 DescribeStackResourceResponse' <$>
                   (x .@? "StackResourceDetail") <*>
                     (pure (fromEnum s)))

instance ToHeaders DescribeStackResource where
        toHeaders = const mempty

instance ToPath DescribeStackResource where
        toPath = const "/"

instance ToQuery DescribeStackResource where
        toQuery DescribeStackResource'{..}
          = mconcat
              ["Action" =: ("DescribeStackResource" :: ByteString),
               "Version" =: ("2010-05-15" :: ByteString),
               "StackName" =: _desStackName,
               "LogicalResourceId" =: _desLogicalResourceId]

-- | The output for a DescribeStackResource action.
--
-- /See:/ 'describeStackResourceResponse' smart constructor.
data DescribeStackResourceResponse = DescribeStackResourceResponse'
    { _dsrrsStackResourceDetail :: !(Maybe StackResourceDetail)
    , _dsrrsResponseStatus      :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'DescribeStackResourceResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'dsrrsStackResourceDetail'
--
-- * 'dsrrsResponseStatus'
describeStackResourceResponse
    :: Int -- ^ 'dsrrsResponseStatus'
    -> DescribeStackResourceResponse
describeStackResourceResponse pResponseStatus_ =
    DescribeStackResourceResponse'
    { _dsrrsStackResourceDetail = Nothing
    , _dsrrsResponseStatus = pResponseStatus_
    }

-- | A 'StackResourceDetail' structure containing the description of the
-- specified resource in the specified stack.
dsrrsStackResourceDetail :: Lens' DescribeStackResourceResponse (Maybe StackResourceDetail)
dsrrsStackResourceDetail = lens _dsrrsStackResourceDetail (\ s a -> s{_dsrrsStackResourceDetail = a});

-- | The response status code.
dsrrsResponseStatus :: Lens' DescribeStackResourceResponse Int
dsrrsResponseStatus = lens _dsrrsResponseStatus (\ s a -> s{_dsrrsResponseStatus = a});