{-# 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.ECS.DescribeServices
-- 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)
--
-- Describes the specified services running in your cluster.
--
-- /See:/ <http://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_DescribeServices.html AWS API Reference> for DescribeServices.
module Network.AWS.ECS.DescribeServices
    (
    -- * Creating a Request
      describeServices
    , DescribeServices
    -- * Request Lenses
    , dCluster
    , dServices

    -- * Destructuring the Response
    , describeServicesResponse
    , DescribeServicesResponse
    -- * Response Lenses
    , dssrsFailures
    , dssrsServices
    , dssrsStatus
    ) where

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

-- | /See:/ 'describeServices' smart constructor.
data DescribeServices = DescribeServices'
    { _dCluster  :: !(Maybe Text)
    , _dServices :: ![Text]
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'DescribeServices' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'dCluster'
--
-- * 'dServices'
describeServices
    :: DescribeServices
describeServices =
    DescribeServices'
    { _dCluster = Nothing
    , _dServices = mempty
    }

-- | The name of the cluster that hosts the service you want to describe.
dCluster :: Lens' DescribeServices (Maybe Text)
dCluster = lens _dCluster (\ s a -> s{_dCluster = a});

-- | A list of services you want to describe.
dServices :: Lens' DescribeServices [Text]
dServices = lens _dServices (\ s a -> s{_dServices = a}) . _Coerce;

instance AWSRequest DescribeServices where
        type Sv DescribeServices = ECS
        type Rs DescribeServices = DescribeServicesResponse
        request = postJSON
        response
          = receiveJSON
              (\ s h x ->
                 DescribeServicesResponse' <$>
                   (x .?> "failures" .!@ mempty) <*>
                     (x .?> "services" .!@ mempty)
                     <*> (pure (fromEnum s)))

instance ToHeaders DescribeServices where
        toHeaders
          = const
              (mconcat
                 ["X-Amz-Target" =#
                    ("AmazonEC2ContainerServiceV20141113.DescribeServices"
                       :: ByteString),
                  "Content-Type" =#
                    ("application/x-amz-json-1.1" :: ByteString)])

instance ToJSON DescribeServices where
        toJSON DescribeServices'{..}
          = object
              ["cluster" .= _dCluster, "services" .= _dServices]

instance ToPath DescribeServices where
        toPath = const "/"

instance ToQuery DescribeServices where
        toQuery = const mempty

-- | /See:/ 'describeServicesResponse' smart constructor.
data DescribeServicesResponse = DescribeServicesResponse'
    { _dssrsFailures :: !(Maybe [Failure])
    , _dssrsServices :: !(Maybe [ContainerService])
    , _dssrsStatus   :: !Int
    } deriving (Eq,Read,Show,Data,Typeable,Generic)

-- | Creates a value of 'DescribeServicesResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'dssrsFailures'
--
-- * 'dssrsServices'
--
-- * 'dssrsStatus'
describeServicesResponse
    :: Int -- ^ 'dssrsStatus'
    -> DescribeServicesResponse
describeServicesResponse pStatus_ =
    DescribeServicesResponse'
    { _dssrsFailures = Nothing
    , _dssrsServices = Nothing
    , _dssrsStatus = pStatus_
    }

-- | Any failures associated with the call.
dssrsFailures :: Lens' DescribeServicesResponse [Failure]
dssrsFailures = lens _dssrsFailures (\ s a -> s{_dssrsFailures = a}) . _Default . _Coerce;

-- | The list of services described.
dssrsServices :: Lens' DescribeServicesResponse [ContainerService]
dssrsServices = lens _dssrsServices (\ s a -> s{_dssrsServices = a}) . _Default . _Coerce;

-- | The response status code.
dssrsStatus :: Lens' DescribeServicesResponse Int
dssrsStatus = lens _dssrsStatus (\ s a -> s{_dssrsStatus = a});