{-# 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.ELBV2.DescribeListenerCertificates
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Describes the default certificate and the certificate list for the
-- specified HTTPS or TLS listener.
--
-- If the default certificate is also in the certificate list, it appears
-- twice in the results (once with @IsDefault@ set to true and once with
-- @IsDefault@ set to false).
--
-- For more information, see
-- <https://docs.aws.amazon.com/elasticloadbalancing/latest/application/create-https-listener.html#https-listener-certificates SSL certificates>
-- in the /Application Load Balancers Guide/ or
-- <https://docs.aws.amazon.com/elasticloadbalancing/latest/network/create-tls-listener.html#tls-listener-certificate Server certificates>
-- in the /Network Load Balancers Guide/.
--
-- This operation returns paginated results.
module Amazonka.ELBV2.DescribeListenerCertificates
  ( -- * Creating a Request
    DescribeListenerCertificates (..),
    newDescribeListenerCertificates,

    -- * Request Lenses
    describeListenerCertificates_marker,
    describeListenerCertificates_pageSize,
    describeListenerCertificates_listenerArn,

    -- * Destructuring the Response
    DescribeListenerCertificatesResponse (..),
    newDescribeListenerCertificatesResponse,

    -- * Response Lenses
    describeListenerCertificatesResponse_certificates,
    describeListenerCertificatesResponse_nextMarker,
    describeListenerCertificatesResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.ELBV2.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newDescribeListenerCertificates' smart constructor.
data DescribeListenerCertificates = DescribeListenerCertificates'
  { -- | The marker for the next set of results. (You received this marker from a
    -- previous call.)
    marker :: Prelude.Maybe Prelude.Text,
    -- | The maximum number of results to return with this call.
    pageSize :: Prelude.Maybe Prelude.Natural,
    -- | The Amazon Resource Names (ARN) of the listener.
    listenerArn :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeListenerCertificates' 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:
--
-- 'marker', 'describeListenerCertificates_marker' - The marker for the next set of results. (You received this marker from a
-- previous call.)
--
-- 'pageSize', 'describeListenerCertificates_pageSize' - The maximum number of results to return with this call.
--
-- 'listenerArn', 'describeListenerCertificates_listenerArn' - The Amazon Resource Names (ARN) of the listener.
newDescribeListenerCertificates ::
  -- | 'listenerArn'
  Prelude.Text ->
  DescribeListenerCertificates
newDescribeListenerCertificates pListenerArn_ =
  DescribeListenerCertificates'
    { marker =
        Prelude.Nothing,
      pageSize = Prelude.Nothing,
      listenerArn = pListenerArn_
    }

-- | The marker for the next set of results. (You received this marker from a
-- previous call.)
describeListenerCertificates_marker :: Lens.Lens' DescribeListenerCertificates (Prelude.Maybe Prelude.Text)
describeListenerCertificates_marker = Lens.lens (\DescribeListenerCertificates' {marker} -> marker) (\s@DescribeListenerCertificates' {} a -> s {marker = a} :: DescribeListenerCertificates)

-- | The maximum number of results to return with this call.
describeListenerCertificates_pageSize :: Lens.Lens' DescribeListenerCertificates (Prelude.Maybe Prelude.Natural)
describeListenerCertificates_pageSize = Lens.lens (\DescribeListenerCertificates' {pageSize} -> pageSize) (\s@DescribeListenerCertificates' {} a -> s {pageSize = a} :: DescribeListenerCertificates)

-- | The Amazon Resource Names (ARN) of the listener.
describeListenerCertificates_listenerArn :: Lens.Lens' DescribeListenerCertificates Prelude.Text
describeListenerCertificates_listenerArn = Lens.lens (\DescribeListenerCertificates' {listenerArn} -> listenerArn) (\s@DescribeListenerCertificates' {} a -> s {listenerArn = a} :: DescribeListenerCertificates)

instance Core.AWSPager DescribeListenerCertificates where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? describeListenerCertificatesResponse_nextMarker
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? describeListenerCertificatesResponse_certificates
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& describeListenerCertificates_marker
          Lens..~ rs
          Lens.^? describeListenerCertificatesResponse_nextMarker
          Prelude.. Lens._Just

instance Core.AWSRequest DescribeListenerCertificates where
  type
    AWSResponse DescribeListenerCertificates =
      DescribeListenerCertificatesResponse
  request overrides =
    Request.postQuery (overrides defaultService)
  response =
    Response.receiveXMLWrapper
      "DescribeListenerCertificatesResult"
      ( \s h x ->
          DescribeListenerCertificatesResponse'
            Prelude.<$> ( x
                            Data..@? "Certificates"
                            Core..!@ Prelude.mempty
                            Prelude.>>= Core.may (Data.parseXMLList "member")
                        )
            Prelude.<*> (x Data..@? "NextMarker")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance
  Prelude.Hashable
    DescribeListenerCertificates
  where
  hashWithSalt _salt DescribeListenerCertificates' {..} =
    _salt
      `Prelude.hashWithSalt` marker
      `Prelude.hashWithSalt` pageSize
      `Prelude.hashWithSalt` listenerArn

instance Prelude.NFData DescribeListenerCertificates where
  rnf DescribeListenerCertificates' {..} =
    Prelude.rnf marker
      `Prelude.seq` Prelude.rnf pageSize
      `Prelude.seq` Prelude.rnf listenerArn

instance Data.ToHeaders DescribeListenerCertificates where
  toHeaders = Prelude.const Prelude.mempty

instance Data.ToPath DescribeListenerCertificates where
  toPath = Prelude.const "/"

instance Data.ToQuery DescribeListenerCertificates where
  toQuery DescribeListenerCertificates' {..} =
    Prelude.mconcat
      [ "Action"
          Data.=: ( "DescribeListenerCertificates" ::
                      Prelude.ByteString
                  ),
        "Version"
          Data.=: ("2015-12-01" :: Prelude.ByteString),
        "Marker" Data.=: marker,
        "PageSize" Data.=: pageSize,
        "ListenerArn" Data.=: listenerArn
      ]

-- | /See:/ 'newDescribeListenerCertificatesResponse' smart constructor.
data DescribeListenerCertificatesResponse = DescribeListenerCertificatesResponse'
  { -- | Information about the certificates.
    certificates :: Prelude.Maybe [Certificate],
    -- | If there are additional results, this is the marker for the next set of
    -- results. Otherwise, this is null.
    nextMarker :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeListenerCertificatesResponse' 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:
--
-- 'certificates', 'describeListenerCertificatesResponse_certificates' - Information about the certificates.
--
-- 'nextMarker', 'describeListenerCertificatesResponse_nextMarker' - If there are additional results, this is the marker for the next set of
-- results. Otherwise, this is null.
--
-- 'httpStatus', 'describeListenerCertificatesResponse_httpStatus' - The response's http status code.
newDescribeListenerCertificatesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeListenerCertificatesResponse
newDescribeListenerCertificatesResponse pHttpStatus_ =
  DescribeListenerCertificatesResponse'
    { certificates =
        Prelude.Nothing,
      nextMarker = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | Information about the certificates.
describeListenerCertificatesResponse_certificates :: Lens.Lens' DescribeListenerCertificatesResponse (Prelude.Maybe [Certificate])
describeListenerCertificatesResponse_certificates = Lens.lens (\DescribeListenerCertificatesResponse' {certificates} -> certificates) (\s@DescribeListenerCertificatesResponse' {} a -> s {certificates = a} :: DescribeListenerCertificatesResponse) Prelude.. Lens.mapping Lens.coerced

-- | If there are additional results, this is the marker for the next set of
-- results. Otherwise, this is null.
describeListenerCertificatesResponse_nextMarker :: Lens.Lens' DescribeListenerCertificatesResponse (Prelude.Maybe Prelude.Text)
describeListenerCertificatesResponse_nextMarker = Lens.lens (\DescribeListenerCertificatesResponse' {nextMarker} -> nextMarker) (\s@DescribeListenerCertificatesResponse' {} a -> s {nextMarker = a} :: DescribeListenerCertificatesResponse)

-- | The response's http status code.
describeListenerCertificatesResponse_httpStatus :: Lens.Lens' DescribeListenerCertificatesResponse Prelude.Int
describeListenerCertificatesResponse_httpStatus = Lens.lens (\DescribeListenerCertificatesResponse' {httpStatus} -> httpStatus) (\s@DescribeListenerCertificatesResponse' {} a -> s {httpStatus = a} :: DescribeListenerCertificatesResponse)

instance
  Prelude.NFData
    DescribeListenerCertificatesResponse
  where
  rnf DescribeListenerCertificatesResponse' {..} =
    Prelude.rnf certificates
      `Prelude.seq` Prelude.rnf nextMarker
      `Prelude.seq` Prelude.rnf httpStatus