{-# 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.DeviceFarm.ListDevices
-- 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 information about unique device types.
--
--
--
-- This operation returns paginated results.
module Network.AWS.DeviceFarm.ListDevices
    (
    -- * Creating a Request
      listDevices
    , ListDevices
    -- * Request Lenses
    , ldArn
    , ldNextToken

    -- * Destructuring the Response
    , listDevicesResponse
    , ListDevicesResponse
    -- * Response Lenses
    , ldrsNextToken
    , ldrsDevices
    , ldrsResponseStatus
    ) where

import Network.AWS.DeviceFarm.Types
import Network.AWS.DeviceFarm.Types.Product
import Network.AWS.Lens
import Network.AWS.Pager
import Network.AWS.Prelude
import Network.AWS.Request
import Network.AWS.Response

-- | Represents the result of a list devices request.
--
--
--
-- /See:/ 'listDevices' smart constructor.
data ListDevices = ListDevices'
  { _ldArn       :: !(Maybe Text)
  , _ldNextToken :: !(Maybe Text)
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListDevices' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ldArn' - The Amazon Resource Name (ARN) of the project.
--
-- * 'ldNextToken' - An identifier that was returned from the previous call to this operation, which can be used to return the next set of items in the list.
listDevices
    :: ListDevices
listDevices = ListDevices' {_ldArn = Nothing, _ldNextToken = Nothing}


-- | The Amazon Resource Name (ARN) of the project.
ldArn :: Lens' ListDevices (Maybe Text)
ldArn = lens _ldArn (\ s a -> s{_ldArn = a});

-- | An identifier that was returned from the previous call to this operation, which can be used to return the next set of items in the list.
ldNextToken :: Lens' ListDevices (Maybe Text)
ldNextToken = lens _ldNextToken (\ s a -> s{_ldNextToken = a});

instance AWSPager ListDevices where
        page rq rs
          | stop (rs ^. ldrsNextToken) = Nothing
          | stop (rs ^. ldrsDevices) = Nothing
          | otherwise =
            Just $ rq & ldNextToken .~ rs ^. ldrsNextToken

instance AWSRequest ListDevices where
        type Rs ListDevices = ListDevicesResponse
        request = postJSON deviceFarm
        response
          = receiveJSON
              (\ s h x ->
                 ListDevicesResponse' <$>
                   (x .?> "nextToken") <*> (x .?> "devices" .!@ mempty)
                     <*> (pure (fromEnum s)))

instance Hashable ListDevices where

instance NFData ListDevices where

instance ToHeaders ListDevices where
        toHeaders
          = const
              (mconcat
                 ["X-Amz-Target" =#
                    ("DeviceFarm_20150623.ListDevices" :: ByteString),
                  "Content-Type" =#
                    ("application/x-amz-json-1.1" :: ByteString)])

instance ToJSON ListDevices where
        toJSON ListDevices'{..}
          = object
              (catMaybes
                 [("arn" .=) <$> _ldArn,
                  ("nextToken" .=) <$> _ldNextToken])

instance ToPath ListDevices where
        toPath = const "/"

instance ToQuery ListDevices where
        toQuery = const mempty

-- | Represents the result of a list devices operation.
--
--
--
-- /See:/ 'listDevicesResponse' smart constructor.
data ListDevicesResponse = ListDevicesResponse'
  { _ldrsNextToken      :: !(Maybe Text)
  , _ldrsDevices        :: !(Maybe [Device])
  , _ldrsResponseStatus :: !Int
  } deriving (Eq, Read, Show, Data, Typeable, Generic)


-- | Creates a value of 'ListDevicesResponse' with the minimum fields required to make a request.
--
-- Use one of the following lenses to modify other fields as desired:
--
-- * 'ldrsNextToken' - If the number of items that are returned is significantly large, this is an identifier that is also returned, which can be used in a subsequent call to this operation to return the next set of items in the list.
--
-- * 'ldrsDevices' - Information about the devices.
--
-- * 'ldrsResponseStatus' - -- | The response status code.
listDevicesResponse
    :: Int -- ^ 'ldrsResponseStatus'
    -> ListDevicesResponse
listDevicesResponse pResponseStatus_ =
  ListDevicesResponse'
  { _ldrsNextToken = Nothing
  , _ldrsDevices = Nothing
  , _ldrsResponseStatus = pResponseStatus_
  }


-- | If the number of items that are returned is significantly large, this is an identifier that is also returned, which can be used in a subsequent call to this operation to return the next set of items in the list.
ldrsNextToken :: Lens' ListDevicesResponse (Maybe Text)
ldrsNextToken = lens _ldrsNextToken (\ s a -> s{_ldrsNextToken = a});

-- | Information about the devices.
ldrsDevices :: Lens' ListDevicesResponse [Device]
ldrsDevices = lens _ldrsDevices (\ s a -> s{_ldrsDevices = a}) . _Default . _Coerce;

-- | -- | The response status code.
ldrsResponseStatus :: Lens' ListDevicesResponse Int
ldrsResponseStatus = lens _ldrsResponseStatus (\ s a -> s{_ldrsResponseStatus = a});

instance NFData ListDevicesResponse where