{-# LANGUAGE DataKinds                   #-}
{-# LANGUAGE DeriveGeneric               #-}
{-# LANGUAGE FlexibleInstances           #-}
{-# LANGUAGE GeneralizedNewtypeDeriving  #-}
{-# LANGUAGE LambdaCase                  #-}
{-# LANGUAGE NoImplicitPrelude           #-}
{-# LANGUAGE OverloadedStrings           #-}
{-# LANGUAGE RecordWildCards             #-}
{-# LANGUAGE TypeFamilies                #-}

{-# OPTIONS_GHC -fno-warn-unused-imports #-}

-- Module      : Network.AWS.Route53Domains.ListOperations
-- Copyright   : (c) 2013-2014 Brendan Hay <brendan.g.hay@gmail.com>
-- License     : This Source Code Form is subject to the terms of
--               the Mozilla Public License, v. 2.0.
--               A copy of the MPL can be found in the LICENSE file or
--               you can obtain it at http://mozilla.org/MPL/2.0/.
-- Maintainer  : Brendan Hay <brendan.g.hay@gmail.com>
-- Stability   : experimental
-- Portability : non-portable (GHC extensions)
--
-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- | This operation returns the operation IDs of operations that are not yet
-- complete.
--
-- <http://docs.aws.amazon.com/Route53/latest/APIReference/api-ListOperations.html>
module Network.AWS.Route53Domains.ListOperations
    (
    -- * Request
      ListOperations
    -- ** Request constructor
    , listOperations
    -- ** Request lenses
    , loMarker
    , loMaxItems

    -- * Response
    , ListOperationsResponse
    -- ** Response constructor
    , listOperationsResponse
    -- ** Response lenses
    , lorNextPageMarker
    , lorOperations
    ) where

import Network.AWS.Prelude
import Network.AWS.Request.JSON
import Network.AWS.Route53Domains.Types
import qualified GHC.Exts

data ListOperations = ListOperations
    { _loMarker   :: Maybe Text
    , _loMaxItems :: Maybe Int
    } deriving (Eq, Ord, Show)

-- | 'ListOperations' constructor.
--
-- The fields accessible through corresponding lenses are:
--
-- * 'loMarker' @::@ 'Maybe' 'Text'
--
-- * 'loMaxItems' @::@ 'Maybe' 'Int'
--
listOperations :: ListOperations
listOperations = ListOperations
    { _loMarker   = Nothing
    , _loMaxItems = Nothing
    }

-- | For an initial request for a list of operations, omit this element. If the
-- number of operations that are not yet complete is greater than the value that
-- you specified for 'MaxItems', you can use 'Marker' to return additional
-- operations. Get the value of 'NextPageMarker' from the previous response, and
-- submit another request that includes the value of 'NextPageMarker' in the 'Marker'
-- element.
--
-- Type: String
--
-- Default: None
--
-- Required: No
loMarker :: Lens' ListOperations (Maybe Text)
loMarker = lens _loMarker (\s a -> s { _loMarker = a })

-- | Number of domains to be returned.
--
-- Type: Integer
--
-- Default: 20
--
-- Constraints: A value between 1 and 100.
--
-- Required: No
loMaxItems :: Lens' ListOperations (Maybe Int)
loMaxItems = lens _loMaxItems (\s a -> s { _loMaxItems = a })

data ListOperationsResponse = ListOperationsResponse
    { _lorNextPageMarker :: Maybe Text
    , _lorOperations     :: List "Operations" OperationSummary
    } deriving (Eq, Show)

-- | 'ListOperationsResponse' constructor.
--
-- The fields accessible through corresponding lenses are:
--
-- * 'lorNextPageMarker' @::@ 'Maybe' 'Text'
--
-- * 'lorOperations' @::@ ['OperationSummary']
--
listOperationsResponse :: ListOperationsResponse
listOperationsResponse = ListOperationsResponse
    { _lorOperations     = mempty
    , _lorNextPageMarker = Nothing
    }

-- | If there are more operations than you specified for 'MaxItems' in the request,
-- submit another request and include the value of 'NextPageMarker' in the value
-- of 'Marker'.
--
-- Type: String
--
-- Parent: 'Operations'
lorNextPageMarker :: Lens' ListOperationsResponse (Maybe Text)
lorNextPageMarker =
    lens _lorNextPageMarker (\s a -> s { _lorNextPageMarker = a })

-- | Lists summaries of the operations.
--
-- Type: Complex type containing a list of operation summaries
--
-- Children: 'OperationId', 'Status', 'SubmittedDate', 'Type'
lorOperations :: Lens' ListOperationsResponse [OperationSummary]
lorOperations = lens _lorOperations (\s a -> s { _lorOperations = a }) . _List

instance ToPath ListOperations where
    toPath = const "/"

instance ToQuery ListOperations where
    toQuery = const mempty

instance ToHeaders ListOperations

instance ToJSON ListOperations where
    toJSON ListOperations{..} = object
        [ "Marker"   .= _loMarker
        , "MaxItems" .= _loMaxItems
        ]

instance AWSRequest ListOperations where
    type Sv ListOperations = Route53Domains
    type Rs ListOperations = ListOperationsResponse

    request  = post "ListOperations"
    response = jsonResponse

instance FromJSON ListOperationsResponse where
    parseJSON = withObject "ListOperationsResponse" $ \o -> ListOperationsResponse
        <$> o .:? "NextPageMarker"
        <*> o .:? "Operations" .!= mempty