{-# 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.Lightsail.GetInstanceState
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Returns the state of a specific instance. Works on one instance at a
-- time.
module Amazonka.Lightsail.GetInstanceState
  ( -- * Creating a Request
    GetInstanceState (..),
    newGetInstanceState,

    -- * Request Lenses
    getInstanceState_instanceName,

    -- * Destructuring the Response
    GetInstanceStateResponse (..),
    newGetInstanceStateResponse,

    -- * Response Lenses
    getInstanceStateResponse_state,
    getInstanceStateResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.Lightsail.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newGetInstanceState' smart constructor.
data GetInstanceState = GetInstanceState'
  { -- | The name of the instance to get state information about.
    GetInstanceState -> Text
instanceName :: Prelude.Text
  }
  deriving (GetInstanceState -> GetInstanceState -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: GetInstanceState -> GetInstanceState -> Bool
$c/= :: GetInstanceState -> GetInstanceState -> Bool
== :: GetInstanceState -> GetInstanceState -> Bool
$c== :: GetInstanceState -> GetInstanceState -> Bool
Prelude.Eq, ReadPrec [GetInstanceState]
ReadPrec GetInstanceState
Int -> ReadS GetInstanceState
ReadS [GetInstanceState]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [GetInstanceState]
$creadListPrec :: ReadPrec [GetInstanceState]
readPrec :: ReadPrec GetInstanceState
$creadPrec :: ReadPrec GetInstanceState
readList :: ReadS [GetInstanceState]
$creadList :: ReadS [GetInstanceState]
readsPrec :: Int -> ReadS GetInstanceState
$creadsPrec :: Int -> ReadS GetInstanceState
Prelude.Read, Int -> GetInstanceState -> ShowS
[GetInstanceState] -> ShowS
GetInstanceState -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [GetInstanceState] -> ShowS
$cshowList :: [GetInstanceState] -> ShowS
show :: GetInstanceState -> String
$cshow :: GetInstanceState -> String
showsPrec :: Int -> GetInstanceState -> ShowS
$cshowsPrec :: Int -> GetInstanceState -> ShowS
Prelude.Show, forall x. Rep GetInstanceState x -> GetInstanceState
forall x. GetInstanceState -> Rep GetInstanceState x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep GetInstanceState x -> GetInstanceState
$cfrom :: forall x. GetInstanceState -> Rep GetInstanceState x
Prelude.Generic)

-- |
-- Create a value of 'GetInstanceState' 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:
--
-- 'instanceName', 'getInstanceState_instanceName' - The name of the instance to get state information about.
newGetInstanceState ::
  -- | 'instanceName'
  Prelude.Text ->
  GetInstanceState
newGetInstanceState :: Text -> GetInstanceState
newGetInstanceState Text
pInstanceName_ =
  GetInstanceState' {$sel:instanceName:GetInstanceState' :: Text
instanceName = Text
pInstanceName_}

-- | The name of the instance to get state information about.
getInstanceState_instanceName :: Lens.Lens' GetInstanceState Prelude.Text
getInstanceState_instanceName :: Lens' GetInstanceState Text
getInstanceState_instanceName = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\GetInstanceState' {Text
instanceName :: Text
$sel:instanceName:GetInstanceState' :: GetInstanceState -> Text
instanceName} -> Text
instanceName) (\s :: GetInstanceState
s@GetInstanceState' {} Text
a -> GetInstanceState
s {$sel:instanceName:GetInstanceState' :: Text
instanceName = Text
a} :: GetInstanceState)

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

instance Prelude.Hashable GetInstanceState where
  hashWithSalt :: Int -> GetInstanceState -> Int
hashWithSalt Int
_salt GetInstanceState' {Text
instanceName :: Text
$sel:instanceName:GetInstanceState' :: GetInstanceState -> Text
..} =
    Int
_salt forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Text
instanceName

instance Prelude.NFData GetInstanceState where
  rnf :: GetInstanceState -> ()
rnf GetInstanceState' {Text
instanceName :: Text
$sel:instanceName:GetInstanceState' :: GetInstanceState -> Text
..} = forall a. NFData a => a -> ()
Prelude.rnf Text
instanceName

instance Data.ToHeaders GetInstanceState where
  toHeaders :: GetInstanceState -> ResponseHeaders
toHeaders =
    forall a b. a -> b -> a
Prelude.const
      ( forall a. Monoid a => [a] -> a
Prelude.mconcat
          [ HeaderName
"X-Amz-Target"
              forall a. ToHeader a => HeaderName -> a -> ResponseHeaders
Data.=# ( ByteString
"Lightsail_20161128.GetInstanceState" ::
                          Prelude.ByteString
                      ),
            HeaderName
"Content-Type"
              forall a. ToHeader a => HeaderName -> a -> ResponseHeaders
Data.=# ( ByteString
"application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

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

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

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

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

-- |
-- Create a value of 'GetInstanceStateResponse' 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:
--
-- 'state', 'getInstanceStateResponse_state' - The state of the instance.
--
-- 'httpStatus', 'getInstanceStateResponse_httpStatus' - The response's http status code.
newGetInstanceStateResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetInstanceStateResponse
newGetInstanceStateResponse :: Int -> GetInstanceStateResponse
newGetInstanceStateResponse Int
pHttpStatus_ =
  GetInstanceStateResponse'
    { $sel:state:GetInstanceStateResponse' :: Maybe InstanceState
state = forall a. Maybe a
Prelude.Nothing,
      $sel:httpStatus:GetInstanceStateResponse' :: Int
httpStatus = Int
pHttpStatus_
    }

-- | The state of the instance.
getInstanceStateResponse_state :: Lens.Lens' GetInstanceStateResponse (Prelude.Maybe InstanceState)
getInstanceStateResponse_state :: Lens' GetInstanceStateResponse (Maybe InstanceState)
getInstanceStateResponse_state = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\GetInstanceStateResponse' {Maybe InstanceState
state :: Maybe InstanceState
$sel:state:GetInstanceStateResponse' :: GetInstanceStateResponse -> Maybe InstanceState
state} -> Maybe InstanceState
state) (\s :: GetInstanceStateResponse
s@GetInstanceStateResponse' {} Maybe InstanceState
a -> GetInstanceStateResponse
s {$sel:state:GetInstanceStateResponse' :: Maybe InstanceState
state = Maybe InstanceState
a} :: GetInstanceStateResponse)

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

instance Prelude.NFData GetInstanceStateResponse where
  rnf :: GetInstanceStateResponse -> ()
rnf GetInstanceStateResponse' {Int
Maybe InstanceState
httpStatus :: Int
state :: Maybe InstanceState
$sel:httpStatus:GetInstanceStateResponse' :: GetInstanceStateResponse -> Int
$sel:state:GetInstanceStateResponse' :: GetInstanceStateResponse -> Maybe InstanceState
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe InstanceState
state
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Int
httpStatus