{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-unused-binds #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Amazonka.LookoutMetrics.DescribeAlert
-- Copyright   : (c) 2013-2021 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)
--
-- Describes an alert.
--
-- Amazon Lookout for Metrics API actions are eventually consistent. If you
-- do a read operation on a resource immediately after creating or
-- modifying it, use retries to allow time for the write operation to
-- complete.
module Amazonka.LookoutMetrics.DescribeAlert
  ( -- * Creating a Request
    DescribeAlert (..),
    newDescribeAlert,

    -- * Request Lenses
    describeAlert_alertArn,

    -- * Destructuring the Response
    DescribeAlertResponse (..),
    newDescribeAlertResponse,

    -- * Response Lenses
    describeAlertResponse_alert,
    describeAlertResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Lens as Lens
import Amazonka.LookoutMetrics.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newDescribeAlert' smart constructor.
data DescribeAlert = DescribeAlert'
  { -- | The ARN of the alert to describe.
    DescribeAlert -> Text
alertArn :: Prelude.Text
  }
  deriving (DescribeAlert -> DescribeAlert -> Bool
(DescribeAlert -> DescribeAlert -> Bool)
-> (DescribeAlert -> DescribeAlert -> Bool) -> Eq DescribeAlert
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DescribeAlert -> DescribeAlert -> Bool
$c/= :: DescribeAlert -> DescribeAlert -> Bool
== :: DescribeAlert -> DescribeAlert -> Bool
$c== :: DescribeAlert -> DescribeAlert -> Bool
Prelude.Eq, ReadPrec [DescribeAlert]
ReadPrec DescribeAlert
Int -> ReadS DescribeAlert
ReadS [DescribeAlert]
(Int -> ReadS DescribeAlert)
-> ReadS [DescribeAlert]
-> ReadPrec DescribeAlert
-> ReadPrec [DescribeAlert]
-> Read DescribeAlert
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DescribeAlert]
$creadListPrec :: ReadPrec [DescribeAlert]
readPrec :: ReadPrec DescribeAlert
$creadPrec :: ReadPrec DescribeAlert
readList :: ReadS [DescribeAlert]
$creadList :: ReadS [DescribeAlert]
readsPrec :: Int -> ReadS DescribeAlert
$creadsPrec :: Int -> ReadS DescribeAlert
Prelude.Read, Int -> DescribeAlert -> ShowS
[DescribeAlert] -> ShowS
DescribeAlert -> String
(Int -> DescribeAlert -> ShowS)
-> (DescribeAlert -> String)
-> ([DescribeAlert] -> ShowS)
-> Show DescribeAlert
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DescribeAlert] -> ShowS
$cshowList :: [DescribeAlert] -> ShowS
show :: DescribeAlert -> String
$cshow :: DescribeAlert -> String
showsPrec :: Int -> DescribeAlert -> ShowS
$cshowsPrec :: Int -> DescribeAlert -> ShowS
Prelude.Show, (forall x. DescribeAlert -> Rep DescribeAlert x)
-> (forall x. Rep DescribeAlert x -> DescribeAlert)
-> Generic DescribeAlert
forall x. Rep DescribeAlert x -> DescribeAlert
forall x. DescribeAlert -> Rep DescribeAlert x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep DescribeAlert x -> DescribeAlert
$cfrom :: forall x. DescribeAlert -> Rep DescribeAlert x
Prelude.Generic)

-- |
-- Create a value of 'DescribeAlert' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'alertArn', 'describeAlert_alertArn' - The ARN of the alert to describe.
newDescribeAlert ::
  -- | 'alertArn'
  Prelude.Text ->
  DescribeAlert
newDescribeAlert :: Text -> DescribeAlert
newDescribeAlert Text
pAlertArn_ =
  DescribeAlert' :: Text -> DescribeAlert
DescribeAlert' {$sel:alertArn:DescribeAlert' :: Text
alertArn = Text
pAlertArn_}

-- | The ARN of the alert to describe.
describeAlert_alertArn :: Lens.Lens' DescribeAlert Prelude.Text
describeAlert_alertArn :: (Text -> f Text) -> DescribeAlert -> f DescribeAlert
describeAlert_alertArn = (DescribeAlert -> Text)
-> (DescribeAlert -> Text -> DescribeAlert)
-> Lens DescribeAlert DescribeAlert Text Text
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeAlert' {Text
alertArn :: Text
$sel:alertArn:DescribeAlert' :: DescribeAlert -> Text
alertArn} -> Text
alertArn) (\s :: DescribeAlert
s@DescribeAlert' {} Text
a -> DescribeAlert
s {$sel:alertArn:DescribeAlert' :: Text
alertArn = Text
a} :: DescribeAlert)

instance Core.AWSRequest DescribeAlert where
  type
    AWSResponse DescribeAlert =
      DescribeAlertResponse
  request :: DescribeAlert -> Request DescribeAlert
request = Service -> DescribeAlert -> Request DescribeAlert
forall a. (ToRequest a, ToJSON a) => Service -> a -> Request a
Request.postJSON Service
defaultService
  response :: Logger
-> Service
-> Proxy DescribeAlert
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse DescribeAlert)))
response =
    (Int
 -> ResponseHeaders
 -> Object
 -> Either String (AWSResponse DescribeAlert))
-> Logger
-> Service
-> Proxy DescribeAlert
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse DescribeAlert)))
forall (m :: * -> *) a.
MonadResource m =>
(Int -> ResponseHeaders -> Object -> Either String (AWSResponse a))
-> Logger
-> Service
-> Proxy a
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse a)))
Response.receiveJSON
      ( \Int
s ResponseHeaders
h Object
x ->
          Maybe Alert -> Int -> DescribeAlertResponse
DescribeAlertResponse'
            (Maybe Alert -> Int -> DescribeAlertResponse)
-> Either String (Maybe Alert)
-> Either String (Int -> DescribeAlertResponse)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> (Object
x Object -> Text -> Either String (Maybe Alert)
forall a. FromJSON a => Object -> Text -> Either String (Maybe a)
Core..?> Text
"Alert")
            Either String (Int -> DescribeAlertResponse)
-> Either String Int -> Either String DescribeAlertResponse
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (Int -> Either String Int
forall (f :: * -> *) a. Applicative f => a -> f a
Prelude.pure (Int -> Int
forall a. Enum a => a -> Int
Prelude.fromEnum Int
s))
      )

instance Prelude.Hashable DescribeAlert

instance Prelude.NFData DescribeAlert

instance Core.ToHeaders DescribeAlert where
  toHeaders :: DescribeAlert -> ResponseHeaders
toHeaders =
    ResponseHeaders -> DescribeAlert -> ResponseHeaders
forall a b. a -> b -> a
Prelude.const
      ( [ResponseHeaders] -> ResponseHeaders
forall a. Monoid a => [a] -> a
Prelude.mconcat
          [ HeaderName
"Content-Type"
              HeaderName -> ByteString -> ResponseHeaders
forall a. ToHeader a => HeaderName -> a -> ResponseHeaders
Core.=# ( ByteString
"application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Core.ToJSON DescribeAlert where
  toJSON :: DescribeAlert -> Value
toJSON DescribeAlert' {Text
alertArn :: Text
$sel:alertArn:DescribeAlert' :: DescribeAlert -> Text
..} =
    [Pair] -> Value
Core.object
      ( [Maybe Pair] -> [Pair]
forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [Pair -> Maybe Pair
forall a. a -> Maybe a
Prelude.Just (Text
"AlertArn" Text -> Text -> Pair
forall kv v. (KeyValue kv, ToJSON v) => Text -> v -> kv
Core..= Text
alertArn)]
      )

instance Core.ToPath DescribeAlert where
  toPath :: DescribeAlert -> ByteString
toPath = ByteString -> DescribeAlert -> ByteString
forall a b. a -> b -> a
Prelude.const ByteString
"/DescribeAlert"

instance Core.ToQuery DescribeAlert where
  toQuery :: DescribeAlert -> QueryString
toQuery = QueryString -> DescribeAlert -> QueryString
forall a b. a -> b -> a
Prelude.const QueryString
forall a. Monoid a => a
Prelude.mempty

-- | /See:/ 'newDescribeAlertResponse' smart constructor.
data DescribeAlertResponse = DescribeAlertResponse'
  { -- | Contains information about an alert.
    DescribeAlertResponse -> Maybe Alert
alert :: Prelude.Maybe Alert,
    -- | The response's http status code.
    DescribeAlertResponse -> Int
httpStatus :: Prelude.Int
  }
  deriving (DescribeAlertResponse -> DescribeAlertResponse -> Bool
(DescribeAlertResponse -> DescribeAlertResponse -> Bool)
-> (DescribeAlertResponse -> DescribeAlertResponse -> Bool)
-> Eq DescribeAlertResponse
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: DescribeAlertResponse -> DescribeAlertResponse -> Bool
$c/= :: DescribeAlertResponse -> DescribeAlertResponse -> Bool
== :: DescribeAlertResponse -> DescribeAlertResponse -> Bool
$c== :: DescribeAlertResponse -> DescribeAlertResponse -> Bool
Prelude.Eq, ReadPrec [DescribeAlertResponse]
ReadPrec DescribeAlertResponse
Int -> ReadS DescribeAlertResponse
ReadS [DescribeAlertResponse]
(Int -> ReadS DescribeAlertResponse)
-> ReadS [DescribeAlertResponse]
-> ReadPrec DescribeAlertResponse
-> ReadPrec [DescribeAlertResponse]
-> Read DescribeAlertResponse
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [DescribeAlertResponse]
$creadListPrec :: ReadPrec [DescribeAlertResponse]
readPrec :: ReadPrec DescribeAlertResponse
$creadPrec :: ReadPrec DescribeAlertResponse
readList :: ReadS [DescribeAlertResponse]
$creadList :: ReadS [DescribeAlertResponse]
readsPrec :: Int -> ReadS DescribeAlertResponse
$creadsPrec :: Int -> ReadS DescribeAlertResponse
Prelude.Read, Int -> DescribeAlertResponse -> ShowS
[DescribeAlertResponse] -> ShowS
DescribeAlertResponse -> String
(Int -> DescribeAlertResponse -> ShowS)
-> (DescribeAlertResponse -> String)
-> ([DescribeAlertResponse] -> ShowS)
-> Show DescribeAlertResponse
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [DescribeAlertResponse] -> ShowS
$cshowList :: [DescribeAlertResponse] -> ShowS
show :: DescribeAlertResponse -> String
$cshow :: DescribeAlertResponse -> String
showsPrec :: Int -> DescribeAlertResponse -> ShowS
$cshowsPrec :: Int -> DescribeAlertResponse -> ShowS
Prelude.Show, (forall x. DescribeAlertResponse -> Rep DescribeAlertResponse x)
-> (forall x. Rep DescribeAlertResponse x -> DescribeAlertResponse)
-> Generic DescribeAlertResponse
forall x. Rep DescribeAlertResponse x -> DescribeAlertResponse
forall x. DescribeAlertResponse -> Rep DescribeAlertResponse x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep DescribeAlertResponse x -> DescribeAlertResponse
$cfrom :: forall x. DescribeAlertResponse -> Rep DescribeAlertResponse x
Prelude.Generic)

-- |
-- Create a value of 'DescribeAlertResponse' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'alert', 'describeAlertResponse_alert' - Contains information about an alert.
--
-- 'httpStatus', 'describeAlertResponse_httpStatus' - The response's http status code.
newDescribeAlertResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeAlertResponse
newDescribeAlertResponse :: Int -> DescribeAlertResponse
newDescribeAlertResponse Int
pHttpStatus_ =
  DescribeAlertResponse' :: Maybe Alert -> Int -> DescribeAlertResponse
DescribeAlertResponse'
    { $sel:alert:DescribeAlertResponse' :: Maybe Alert
alert = Maybe Alert
forall a. Maybe a
Prelude.Nothing,
      $sel:httpStatus:DescribeAlertResponse' :: Int
httpStatus = Int
pHttpStatus_
    }

-- | Contains information about an alert.
describeAlertResponse_alert :: Lens.Lens' DescribeAlertResponse (Prelude.Maybe Alert)
describeAlertResponse_alert :: (Maybe Alert -> f (Maybe Alert))
-> DescribeAlertResponse -> f DescribeAlertResponse
describeAlertResponse_alert = (DescribeAlertResponse -> Maybe Alert)
-> (DescribeAlertResponse -> Maybe Alert -> DescribeAlertResponse)
-> Lens
     DescribeAlertResponse
     DescribeAlertResponse
     (Maybe Alert)
     (Maybe Alert)
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeAlertResponse' {Maybe Alert
alert :: Maybe Alert
$sel:alert:DescribeAlertResponse' :: DescribeAlertResponse -> Maybe Alert
alert} -> Maybe Alert
alert) (\s :: DescribeAlertResponse
s@DescribeAlertResponse' {} Maybe Alert
a -> DescribeAlertResponse
s {$sel:alert:DescribeAlertResponse' :: Maybe Alert
alert = Maybe Alert
a} :: DescribeAlertResponse)

-- | The response's http status code.
describeAlertResponse_httpStatus :: Lens.Lens' DescribeAlertResponse Prelude.Int
describeAlertResponse_httpStatus :: (Int -> f Int) -> DescribeAlertResponse -> f DescribeAlertResponse
describeAlertResponse_httpStatus = (DescribeAlertResponse -> Int)
-> (DescribeAlertResponse -> Int -> DescribeAlertResponse)
-> Lens DescribeAlertResponse DescribeAlertResponse Int Int
forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\DescribeAlertResponse' {Int
httpStatus :: Int
$sel:httpStatus:DescribeAlertResponse' :: DescribeAlertResponse -> Int
httpStatus} -> Int
httpStatus) (\s :: DescribeAlertResponse
s@DescribeAlertResponse' {} Int
a -> DescribeAlertResponse
s {$sel:httpStatus:DescribeAlertResponse' :: Int
httpStatus = Int
a} :: DescribeAlertResponse)

instance Prelude.NFData DescribeAlertResponse