{-# 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.OpsWorks.DescribeDeployments
-- 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)
--
-- Requests a description of a specified set of deployments.
--
-- You must specify at least one of the parameters.
--
-- __Required Permissions__: To use this action, an IAM user must have a
-- Show, Deploy, or Manage permissions level for the stack, or an attached
-- policy that explicitly grants permissions. For more information on user
-- permissions, see
-- <http://docs.aws.amazon.com/opsworks/latest/userguide/opsworks-security-users.html Managing User Permissions>.
module Network.AWS.OpsWorks.DescribeDeployments
    (
    -- * Creating a Request
      describeDeployments
    , DescribeDeployments
    -- * Request Lenses
    , ddAppId
    , ddDeploymentIds
    , ddStackId

    -- * Destructuring the Response
    , describeDeploymentsResponse
    , DescribeDeploymentsResponse
    -- * Response Lenses
    , ddrsDeployments
    , ddrsResponseStatus
    ) where

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

-- | /See:/ 'describeDeployments' smart constructor.
data DescribeDeployments = DescribeDeployments'
    { _ddAppId         :: !(Maybe Text)
    , _ddDeploymentIds :: !(Maybe [Text])
    , _ddStackId       :: !(Maybe Text)
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'DescribeDeployments' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ddAppId'
--
-- * 'ddDeploymentIds'
--
-- * 'ddStackId'
describeDeployments
    :: DescribeDeployments
describeDeployments =
    DescribeDeployments'
    { _ddAppId = Nothing
    , _ddDeploymentIds = Nothing
    , _ddStackId = Nothing
    }

-- | The app ID. If you include this parameter, 'DescribeDeployments' returns
-- a description of the commands associated with the specified app.
ddAppId :: Lens' DescribeDeployments (Maybe Text)
ddAppId = lens _ddAppId (\ s a -> s{_ddAppId = a});

-- | An array of deployment IDs to be described. If you include this
-- parameter, 'DescribeDeployments' returns a description of the specified
-- deployments. Otherwise, it returns a description of every deployment.
ddDeploymentIds :: Lens' DescribeDeployments [Text]
ddDeploymentIds = lens _ddDeploymentIds (\ s a -> s{_ddDeploymentIds = a}) . _Default . _Coerce;

-- | The stack ID. If you include this parameter, 'DescribeDeployments'
-- returns a description of the commands associated with the specified
-- stack.
ddStackId :: Lens' DescribeDeployments (Maybe Text)
ddStackId = lens _ddStackId (\ s a -> s{_ddStackId = a});

instance AWSRequest DescribeDeployments where
        type Rs DescribeDeployments =
             DescribeDeploymentsResponse
        request = postJSON opsWorks
        response
          = receiveJSON
              (\ s h x ->
                 DescribeDeploymentsResponse' <$>
                   (x .?> "Deployments" .!@ mempty) <*>
                     (pure (fromEnum s)))

instance Hashable DescribeDeployments

instance NFData DescribeDeployments

instance ToHeaders DescribeDeployments where
        toHeaders
          = const
              (mconcat
                 ["X-Amz-Target" =#
                    ("OpsWorks_20130218.DescribeDeployments" ::
                       ByteString),
                  "Content-Type" =#
                    ("application/x-amz-json-1.1" :: ByteString)])

instance ToJSON DescribeDeployments where
        toJSON DescribeDeployments'{..}
          = object
              (catMaybes
                 [("AppId" .=) <$> _ddAppId,
                  ("DeploymentIds" .=) <$> _ddDeploymentIds,
                  ("StackId" .=) <$> _ddStackId])

instance ToPath DescribeDeployments where
        toPath = const "/"

instance ToQuery DescribeDeployments where
        toQuery = const mempty

-- | Contains the response to a 'DescribeDeployments' request.
--
-- /See:/ 'describeDeploymentsResponse' smart constructor.
data DescribeDeploymentsResponse = DescribeDeploymentsResponse'
    { _ddrsDeployments    :: !(Maybe [Deployment])
    , _ddrsResponseStatus :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'DescribeDeploymentsResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ddrsDeployments'
--
-- * 'ddrsResponseStatus'
describeDeploymentsResponse
    :: Int -- ^ 'ddrsResponseStatus'
    -> DescribeDeploymentsResponse
describeDeploymentsResponse pResponseStatus_ =
    DescribeDeploymentsResponse'
    { _ddrsDeployments = Nothing
    , _ddrsResponseStatus = pResponseStatus_
    }

-- | An array of 'Deployment' objects that describe the deployments.
ddrsDeployments :: Lens' DescribeDeploymentsResponse [Deployment]
ddrsDeployments = lens _ddrsDeployments (\ s a -> s{_ddrsDeployments = a}) . _Default . _Coerce;

-- | The response status code.
ddrsResponseStatus :: Lens' DescribeDeploymentsResponse Int
ddrsResponseStatus = lens _ddrsResponseStatus (\ s a -> s{_ddrsResponseStatus = a});

instance NFData DescribeDeploymentsResponse