{-# 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.MwAA.ListEnvironments
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Lists the Amazon Managed Workflows for Apache Airflow (MWAA)
-- environments.
--
-- This operation returns paginated results.
module Amazonka.MwAA.ListEnvironments
  ( -- * Creating a Request
    ListEnvironments (..),
    newListEnvironments,

    -- * Request Lenses
    listEnvironments_maxResults,
    listEnvironments_nextToken,

    -- * Destructuring the Response
    ListEnvironmentsResponse (..),
    newListEnvironmentsResponse,

    -- * Response Lenses
    listEnvironmentsResponse_nextToken,
    listEnvironmentsResponse_httpStatus,
    listEnvironmentsResponse_environments,
  )
where

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

-- | /See:/ 'newListEnvironments' smart constructor.
data ListEnvironments = ListEnvironments'
  { -- | The maximum number of results to retrieve per page. For example, @5@
    -- environments per page.
    ListEnvironments -> Maybe Natural
maxResults :: Prelude.Maybe Prelude.Natural,
    -- | Retrieves the next page of the results.
    ListEnvironments -> Maybe Text
nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (ListEnvironments -> ListEnvironments -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: ListEnvironments -> ListEnvironments -> Bool
$c/= :: ListEnvironments -> ListEnvironments -> Bool
== :: ListEnvironments -> ListEnvironments -> Bool
$c== :: ListEnvironments -> ListEnvironments -> Bool
Prelude.Eq, ReadPrec [ListEnvironments]
ReadPrec ListEnvironments
Int -> ReadS ListEnvironments
ReadS [ListEnvironments]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [ListEnvironments]
$creadListPrec :: ReadPrec [ListEnvironments]
readPrec :: ReadPrec ListEnvironments
$creadPrec :: ReadPrec ListEnvironments
readList :: ReadS [ListEnvironments]
$creadList :: ReadS [ListEnvironments]
readsPrec :: Int -> ReadS ListEnvironments
$creadsPrec :: Int -> ReadS ListEnvironments
Prelude.Read, Int -> ListEnvironments -> ShowS
[ListEnvironments] -> ShowS
ListEnvironments -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [ListEnvironments] -> ShowS
$cshowList :: [ListEnvironments] -> ShowS
show :: ListEnvironments -> String
$cshow :: ListEnvironments -> String
showsPrec :: Int -> ListEnvironments -> ShowS
$cshowsPrec :: Int -> ListEnvironments -> ShowS
Prelude.Show, forall x. Rep ListEnvironments x -> ListEnvironments
forall x. ListEnvironments -> Rep ListEnvironments x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep ListEnvironments x -> ListEnvironments
$cfrom :: forall x. ListEnvironments -> Rep ListEnvironments x
Prelude.Generic)

-- |
-- Create a value of 'ListEnvironments' 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:
--
-- 'maxResults', 'listEnvironments_maxResults' - The maximum number of results to retrieve per page. For example, @5@
-- environments per page.
--
-- 'nextToken', 'listEnvironments_nextToken' - Retrieves the next page of the results.
newListEnvironments ::
  ListEnvironments
newListEnvironments :: ListEnvironments
newListEnvironments =
  ListEnvironments'
    { $sel:maxResults:ListEnvironments' :: Maybe Natural
maxResults = forall a. Maybe a
Prelude.Nothing,
      $sel:nextToken:ListEnvironments' :: Maybe Text
nextToken = forall a. Maybe a
Prelude.Nothing
    }

-- | The maximum number of results to retrieve per page. For example, @5@
-- environments per page.
listEnvironments_maxResults :: Lens.Lens' ListEnvironments (Prelude.Maybe Prelude.Natural)
listEnvironments_maxResults :: Lens' ListEnvironments (Maybe Natural)
listEnvironments_maxResults = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListEnvironments' {Maybe Natural
maxResults :: Maybe Natural
$sel:maxResults:ListEnvironments' :: ListEnvironments -> Maybe Natural
maxResults} -> Maybe Natural
maxResults) (\s :: ListEnvironments
s@ListEnvironments' {} Maybe Natural
a -> ListEnvironments
s {$sel:maxResults:ListEnvironments' :: Maybe Natural
maxResults = Maybe Natural
a} :: ListEnvironments)

-- | Retrieves the next page of the results.
listEnvironments_nextToken :: Lens.Lens' ListEnvironments (Prelude.Maybe Prelude.Text)
listEnvironments_nextToken :: Lens' ListEnvironments (Maybe Text)
listEnvironments_nextToken = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListEnvironments' {Maybe Text
nextToken :: Maybe Text
$sel:nextToken:ListEnvironments' :: ListEnvironments -> Maybe Text
nextToken} -> Maybe Text
nextToken) (\s :: ListEnvironments
s@ListEnvironments' {} Maybe Text
a -> ListEnvironments
s {$sel:nextToken:ListEnvironments' :: Maybe Text
nextToken = Maybe Text
a} :: ListEnvironments)

instance Core.AWSPager ListEnvironments where
  page :: ListEnvironments
-> AWSResponse ListEnvironments -> Maybe ListEnvironments
page ListEnvironments
rq AWSResponse ListEnvironments
rs
    | forall a. AWSTruncated a => a -> Bool
Core.stop
        ( AWSResponse ListEnvironments
rs
            forall s a. s -> Getting (First a) s a -> Maybe a
Lens.^? Lens' ListEnvironmentsResponse (Maybe Text)
listEnvironmentsResponse_nextToken
            forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall a b. Prism (Maybe a) (Maybe b) a b
Lens._Just
        ) =
        forall a. Maybe a
Prelude.Nothing
    | forall a. AWSTruncated a => a -> Bool
Core.stop
        (AWSResponse ListEnvironments
rs forall s a. s -> Getting a s a -> a
Lens.^. Lens' ListEnvironmentsResponse [Text]
listEnvironmentsResponse_environments) =
        forall a. Maybe a
Prelude.Nothing
    | Bool
Prelude.otherwise =
        forall a. a -> Maybe a
Prelude.Just
          forall a b. (a -> b) -> a -> b
Prelude.$ ListEnvironments
rq
          forall a b. a -> (a -> b) -> b
Prelude.& Lens' ListEnvironments (Maybe Text)
listEnvironments_nextToken
          forall s t a b. ASetter s t a b -> b -> s -> t
Lens..~ AWSResponse ListEnvironments
rs
          forall s a. s -> Getting (First a) s a -> Maybe a
Lens.^? Lens' ListEnvironmentsResponse (Maybe Text)
listEnvironmentsResponse_nextToken
          forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall a b. Prism (Maybe a) (Maybe b) a b
Lens._Just

instance Core.AWSRequest ListEnvironments where
  type
    AWSResponse ListEnvironments =
      ListEnvironmentsResponse
  request :: (Service -> Service)
-> ListEnvironments -> Request ListEnvironments
request Service -> Service
overrides =
    forall a. ToRequest a => Service -> a -> Request a
Request.get (Service -> Service
overrides Service
defaultService)
  response :: forall (m :: * -> *).
MonadResource m =>
(ByteStringLazy -> IO ByteStringLazy)
-> Service
-> Proxy ListEnvironments
-> ClientResponse ClientBody
-> m (Either Error (ClientResponse (AWSResponse ListEnvironments)))
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 Text -> Int -> [Text] -> ListEnvironmentsResponse
ListEnvironmentsResponse'
            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
"NextToken")
            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))
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (Object
x forall a. FromJSON a => Object -> Key -> Either String (Maybe a)
Data..?> Key
"Environments" forall (f :: * -> *) a. Functor f => f (Maybe a) -> a -> f a
Core..!@ forall a. Monoid a => a
Prelude.mempty)
      )

instance Prelude.Hashable ListEnvironments where
  hashWithSalt :: Int -> ListEnvironments -> Int
hashWithSalt Int
_salt ListEnvironments' {Maybe Natural
Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Natural
$sel:nextToken:ListEnvironments' :: ListEnvironments -> Maybe Text
$sel:maxResults:ListEnvironments' :: ListEnvironments -> Maybe Natural
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Natural
maxResults
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
nextToken

instance Prelude.NFData ListEnvironments where
  rnf :: ListEnvironments -> ()
rnf ListEnvironments' {Maybe Natural
Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Natural
$sel:nextToken:ListEnvironments' :: ListEnvironments -> Maybe Text
$sel:maxResults:ListEnvironments' :: ListEnvironments -> Maybe Natural
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Natural
maxResults
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
nextToken

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

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

instance Data.ToQuery ListEnvironments where
  toQuery :: ListEnvironments -> QueryString
toQuery ListEnvironments' {Maybe Natural
Maybe Text
nextToken :: Maybe Text
maxResults :: Maybe Natural
$sel:nextToken:ListEnvironments' :: ListEnvironments -> Maybe Text
$sel:maxResults:ListEnvironments' :: ListEnvironments -> Maybe Natural
..} =
    forall a. Monoid a => [a] -> a
Prelude.mconcat
      [ ByteString
"MaxResults" forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: Maybe Natural
maxResults,
        ByteString
"NextToken" forall a. ToQuery a => ByteString -> a -> QueryString
Data.=: Maybe Text
nextToken
      ]

-- | /See:/ 'newListEnvironmentsResponse' smart constructor.
data ListEnvironmentsResponse = ListEnvironmentsResponse'
  { -- | Retrieves the next page of the results.
    ListEnvironmentsResponse -> Maybe Text
nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    ListEnvironmentsResponse -> Int
httpStatus :: Prelude.Int,
    -- | Returns a list of Amazon MWAA environments.
    ListEnvironmentsResponse -> [Text]
environments :: [Prelude.Text]
  }
  deriving (ListEnvironmentsResponse -> ListEnvironmentsResponse -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: ListEnvironmentsResponse -> ListEnvironmentsResponse -> Bool
$c/= :: ListEnvironmentsResponse -> ListEnvironmentsResponse -> Bool
== :: ListEnvironmentsResponse -> ListEnvironmentsResponse -> Bool
$c== :: ListEnvironmentsResponse -> ListEnvironmentsResponse -> Bool
Prelude.Eq, ReadPrec [ListEnvironmentsResponse]
ReadPrec ListEnvironmentsResponse
Int -> ReadS ListEnvironmentsResponse
ReadS [ListEnvironmentsResponse]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [ListEnvironmentsResponse]
$creadListPrec :: ReadPrec [ListEnvironmentsResponse]
readPrec :: ReadPrec ListEnvironmentsResponse
$creadPrec :: ReadPrec ListEnvironmentsResponse
readList :: ReadS [ListEnvironmentsResponse]
$creadList :: ReadS [ListEnvironmentsResponse]
readsPrec :: Int -> ReadS ListEnvironmentsResponse
$creadsPrec :: Int -> ReadS ListEnvironmentsResponse
Prelude.Read, Int -> ListEnvironmentsResponse -> ShowS
[ListEnvironmentsResponse] -> ShowS
ListEnvironmentsResponse -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [ListEnvironmentsResponse] -> ShowS
$cshowList :: [ListEnvironmentsResponse] -> ShowS
show :: ListEnvironmentsResponse -> String
$cshow :: ListEnvironmentsResponse -> String
showsPrec :: Int -> ListEnvironmentsResponse -> ShowS
$cshowsPrec :: Int -> ListEnvironmentsResponse -> ShowS
Prelude.Show, forall x.
Rep ListEnvironmentsResponse x -> ListEnvironmentsResponse
forall x.
ListEnvironmentsResponse -> Rep ListEnvironmentsResponse x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x.
Rep ListEnvironmentsResponse x -> ListEnvironmentsResponse
$cfrom :: forall x.
ListEnvironmentsResponse -> Rep ListEnvironmentsResponse x
Prelude.Generic)

-- |
-- Create a value of 'ListEnvironmentsResponse' 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:
--
-- 'nextToken', 'listEnvironmentsResponse_nextToken' - Retrieves the next page of the results.
--
-- 'httpStatus', 'listEnvironmentsResponse_httpStatus' - The response's http status code.
--
-- 'environments', 'listEnvironmentsResponse_environments' - Returns a list of Amazon MWAA environments.
newListEnvironmentsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListEnvironmentsResponse
newListEnvironmentsResponse :: Int -> ListEnvironmentsResponse
newListEnvironmentsResponse Int
pHttpStatus_ =
  ListEnvironmentsResponse'
    { $sel:nextToken:ListEnvironmentsResponse' :: Maybe Text
nextToken =
        forall a. Maybe a
Prelude.Nothing,
      $sel:httpStatus:ListEnvironmentsResponse' :: Int
httpStatus = Int
pHttpStatus_,
      $sel:environments:ListEnvironmentsResponse' :: [Text]
environments = forall a. Monoid a => a
Prelude.mempty
    }

-- | Retrieves the next page of the results.
listEnvironmentsResponse_nextToken :: Lens.Lens' ListEnvironmentsResponse (Prelude.Maybe Prelude.Text)
listEnvironmentsResponse_nextToken :: Lens' ListEnvironmentsResponse (Maybe Text)
listEnvironmentsResponse_nextToken = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListEnvironmentsResponse' {Maybe Text
nextToken :: Maybe Text
$sel:nextToken:ListEnvironmentsResponse' :: ListEnvironmentsResponse -> Maybe Text
nextToken} -> Maybe Text
nextToken) (\s :: ListEnvironmentsResponse
s@ListEnvironmentsResponse' {} Maybe Text
a -> ListEnvironmentsResponse
s {$sel:nextToken:ListEnvironmentsResponse' :: Maybe Text
nextToken = Maybe Text
a} :: ListEnvironmentsResponse)

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

-- | Returns a list of Amazon MWAA environments.
listEnvironmentsResponse_environments :: Lens.Lens' ListEnvironmentsResponse [Prelude.Text]
listEnvironmentsResponse_environments :: Lens' ListEnvironmentsResponse [Text]
listEnvironmentsResponse_environments = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\ListEnvironmentsResponse' {[Text]
environments :: [Text]
$sel:environments:ListEnvironmentsResponse' :: ListEnvironmentsResponse -> [Text]
environments} -> [Text]
environments) (\s :: ListEnvironmentsResponse
s@ListEnvironmentsResponse' {} [Text]
a -> ListEnvironmentsResponse
s {$sel:environments:ListEnvironmentsResponse' :: [Text]
environments = [Text]
a} :: ListEnvironmentsResponse) forall b c a. (b -> c) -> (a -> b) -> a -> c
Prelude.. forall s t a b. (Coercible s a, Coercible t b) => Iso s t a b
Lens.coerced

instance Prelude.NFData ListEnvironmentsResponse where
  rnf :: ListEnvironmentsResponse -> ()
rnf ListEnvironmentsResponse' {Int
[Text]
Maybe Text
environments :: [Text]
httpStatus :: Int
nextToken :: Maybe Text
$sel:environments:ListEnvironmentsResponse' :: ListEnvironmentsResponse -> [Text]
$sel:httpStatus:ListEnvironmentsResponse' :: ListEnvironmentsResponse -> Int
$sel:nextToken:ListEnvironmentsResponse' :: ListEnvironmentsResponse -> Maybe Text
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
nextToken
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Int
httpStatus
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf [Text]
environments