{-# 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.Route53.GetHealthCheckLastFailureReason
-- 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)

-- | If you want to learn why a health check is currently failing or why it failed
-- most recently (if at all), you can get the failure reason for the most recent
-- failure. Send a 'GET' request to the '2013-04-01/healthcheck//health check ID//lastfailurereason
-- resource.
--
-- <http://docs.aws.amazon.com/Route53/latest/APIReference/API_GetHealthCheckLastFailureReason.html>
module Network.AWS.Route53.GetHealthCheckLastFailureReason
    (
    -- * Request
      GetHealthCheckLastFailureReason
    -- ** Request constructor
    , getHealthCheckLastFailureReason
    -- ** Request lenses
    , ghclfrHealthCheckId

    -- * Response
    , GetHealthCheckLastFailureReasonResponse
    -- ** Response constructor
    , getHealthCheckLastFailureReasonResponse
    -- ** Response lenses
    , ghclfrrHealthCheckObservations
    ) where

import Network.AWS.Prelude
import Network.AWS.Request.RestXML
import Network.AWS.Route53.Types
import qualified GHC.Exts

newtype GetHealthCheckLastFailureReason = GetHealthCheckLastFailureReason
    { _ghclfrHealthCheckId :: Text
    } deriving (Eq, Ord, Show, Monoid, IsString)

-- | 'GetHealthCheckLastFailureReason' constructor.
--
-- The fields accessible through corresponding lenses are:
--
-- * 'ghclfrHealthCheckId' @::@ 'Text'
--
getHealthCheckLastFailureReason :: Text -- ^ 'ghclfrHealthCheckId'
                                -> GetHealthCheckLastFailureReason
getHealthCheckLastFailureReason p1 = GetHealthCheckLastFailureReason
    { _ghclfrHealthCheckId = p1
    }

-- | The ID of the health check for which you want to retrieve the reason for the
-- most recent failure.
ghclfrHealthCheckId :: Lens' GetHealthCheckLastFailureReason Text
ghclfrHealthCheckId =
    lens _ghclfrHealthCheckId (\s a -> s { _ghclfrHealthCheckId = a })

newtype GetHealthCheckLastFailureReasonResponse = GetHealthCheckLastFailureReasonResponse
    { _ghclfrrHealthCheckObservations :: List "HealthCheckObservation" HealthCheckObservation
    } deriving (Eq, Show, Monoid, Semigroup)

instance GHC.Exts.IsList GetHealthCheckLastFailureReasonResponse where
    type Item GetHealthCheckLastFailureReasonResponse = HealthCheckObservation

    fromList = GetHealthCheckLastFailureReasonResponse . GHC.Exts.fromList
    toList   = GHC.Exts.toList . _ghclfrrHealthCheckObservations

-- | 'GetHealthCheckLastFailureReasonResponse' constructor.
--
-- The fields accessible through corresponding lenses are:
--
-- * 'ghclfrrHealthCheckObservations' @::@ ['HealthCheckObservation']
--
getHealthCheckLastFailureReasonResponse :: GetHealthCheckLastFailureReasonResponse
getHealthCheckLastFailureReasonResponse = GetHealthCheckLastFailureReasonResponse
    { _ghclfrrHealthCheckObservations = mempty
    }

-- | A list that contains one 'HealthCheckObservation' element for each Route 53
-- health checker.
ghclfrrHealthCheckObservations :: Lens' GetHealthCheckLastFailureReasonResponse [HealthCheckObservation]
ghclfrrHealthCheckObservations =
    lens _ghclfrrHealthCheckObservations
        (\s a -> s { _ghclfrrHealthCheckObservations = a })
            . _List

instance ToPath GetHealthCheckLastFailureReason where
    toPath GetHealthCheckLastFailureReason{..} = mconcat
        [ "/2013-04-01/healthcheck/"
        , toText _ghclfrHealthCheckId
        , "/lastfailurereason"
        ]

instance ToQuery GetHealthCheckLastFailureReason where
    toQuery = const mempty

instance ToHeaders GetHealthCheckLastFailureReason

instance ToXMLRoot GetHealthCheckLastFailureReason where
    toXMLRoot = const (namespaced ns "GetHealthCheckLastFailureReason" [])

instance ToXML GetHealthCheckLastFailureReason

instance AWSRequest GetHealthCheckLastFailureReason where
    type Sv GetHealthCheckLastFailureReason = Route53
    type Rs GetHealthCheckLastFailureReason = GetHealthCheckLastFailureReasonResponse

    request  = get
    response = xmlResponse

instance FromXML GetHealthCheckLastFailureReasonResponse where
    parseXML x = GetHealthCheckLastFailureReasonResponse
        <$> x .@  "HealthCheckObservations"