{-# 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.CognitoSync.DescribeIdentityPoolUsage
-- 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.

-- | Gets usage details (for example, data storage) about a particular identity
-- pool.
--
-- <http://docs.aws.amazon.com/cognitosync/latest/APIReference/API_DescribeIdentityPoolUsage.html>
module Network.AWS.CognitoSync.DescribeIdentityPoolUsage
    (
    -- * Request
      DescribeIdentityPoolUsage
    -- ** Request constructor
    , describeIdentityPoolUsage
    -- ** Request lenses
    , dipuIdentityPoolId

    -- * Response
    , DescribeIdentityPoolUsageResponse
    -- ** Response constructor
    , describeIdentityPoolUsageResponse
    -- ** Response lenses
    , dipurIdentityPoolUsage
    ) where

import Network.AWS.Prelude
import Network.AWS.Request.RestJSON
import Network.AWS.CognitoSync.Types
import qualified GHC.Exts

newtype DescribeIdentityPoolUsage = DescribeIdentityPoolUsage
    { _dipuIdentityPoolId :: Text
    } deriving (Eq, Ord, Show, Monoid, IsString)

-- | 'DescribeIdentityPoolUsage' constructor.
--
-- The fields accessible through corresponding lenses are:
--
-- * 'dipuIdentityPoolId' @::@ 'Text'
--
describeIdentityPoolUsage :: Text -- ^ 'dipuIdentityPoolId'
                          -> DescribeIdentityPoolUsage
describeIdentityPoolUsage p1 = DescribeIdentityPoolUsage
    { _dipuIdentityPoolId = p1
    }

-- | A name-spaced GUID (for example,
-- us-east-1:23EC4050-6AEA-7089-A2DD-08002EXAMPLE) created by Amazon Cognito.
-- GUID generation is unique within a region.
dipuIdentityPoolId :: Lens' DescribeIdentityPoolUsage Text
dipuIdentityPoolId =
    lens _dipuIdentityPoolId (\s a -> s { _dipuIdentityPoolId = a })

newtype DescribeIdentityPoolUsageResponse = DescribeIdentityPoolUsageResponse
    { _dipurIdentityPoolUsage :: Maybe IdentityPoolUsage
    } deriving (Eq, Show)

-- | 'DescribeIdentityPoolUsageResponse' constructor.
--
-- The fields accessible through corresponding lenses are:
--
-- * 'dipurIdentityPoolUsage' @::@ 'Maybe' 'IdentityPoolUsage'
--
describeIdentityPoolUsageResponse :: DescribeIdentityPoolUsageResponse
describeIdentityPoolUsageResponse = DescribeIdentityPoolUsageResponse
    { _dipurIdentityPoolUsage = Nothing
    }

-- | Information about the usage of the identity pool.
dipurIdentityPoolUsage :: Lens' DescribeIdentityPoolUsageResponse (Maybe IdentityPoolUsage)
dipurIdentityPoolUsage =
    lens _dipurIdentityPoolUsage (\s a -> s { _dipurIdentityPoolUsage = a })

instance ToPath DescribeIdentityPoolUsage where
    toPath DescribeIdentityPoolUsage{..} = mconcat
        [ "/identitypools/"
        , toText _dipuIdentityPoolId
        ]

instance ToQuery DescribeIdentityPoolUsage where
    toQuery = const mempty

instance ToHeaders DescribeIdentityPoolUsage

instance ToJSON DescribeIdentityPoolUsage where
    toJSON = const (toJSON Empty)

instance AWSRequest DescribeIdentityPoolUsage where
    type Sv DescribeIdentityPoolUsage = CognitoSync
    type Rs DescribeIdentityPoolUsage = DescribeIdentityPoolUsageResponse

    request  = get
    response = jsonResponse

instance FromJSON DescribeIdentityPoolUsageResponse where
    parseJSON = withObject "DescribeIdentityPoolUsageResponse" $ \o -> DescribeIdentityPoolUsageResponse
        <$> o .:? "IdentityPoolUsage"