{-# 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.SSM.DescribePatchBaselines
-- 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 patch baselines in your Amazon Web Services account.
--
-- This operation returns paginated results.
module Amazonka.SSM.DescribePatchBaselines
  ( -- * Creating a Request
    DescribePatchBaselines (..),
    newDescribePatchBaselines,

    -- * Request Lenses
    describePatchBaselines_filters,
    describePatchBaselines_maxResults,
    describePatchBaselines_nextToken,

    -- * Destructuring the Response
    DescribePatchBaselinesResponse (..),
    newDescribePatchBaselinesResponse,

    -- * Response Lenses
    describePatchBaselinesResponse_baselineIdentities,
    describePatchBaselinesResponse_nextToken,
    describePatchBaselinesResponse_httpStatus,
  )
where

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

-- | /See:/ 'newDescribePatchBaselines' smart constructor.
data DescribePatchBaselines = DescribePatchBaselines'
  { -- | Each element in the array is a structure containing a key-value pair.
    --
    -- Supported keys for @DescribePatchBaselines@ include the following:
    --
    -- -   __@NAME_PREFIX@__
    --
    --     Sample values: @AWS-@ | @My-@
    --
    -- -   __@OWNER@__
    --
    --     Sample values: @AWS@ | @Self@
    --
    -- -   __@OPERATING_SYSTEM@__
    --
    --     Sample values: @AMAZON_LINUX@ | @SUSE@ | @WINDOWS@
    filters :: Prelude.Maybe [PatchOrchestratorFilter],
    -- | The maximum number of patch baselines to return (per page).
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The token for the next set of items to return. (You received this token
    -- from a previous call.)
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribePatchBaselines' 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:
--
-- 'filters', 'describePatchBaselines_filters' - Each element in the array is a structure containing a key-value pair.
--
-- Supported keys for @DescribePatchBaselines@ include the following:
--
-- -   __@NAME_PREFIX@__
--
--     Sample values: @AWS-@ | @My-@
--
-- -   __@OWNER@__
--
--     Sample values: @AWS@ | @Self@
--
-- -   __@OPERATING_SYSTEM@__
--
--     Sample values: @AMAZON_LINUX@ | @SUSE@ | @WINDOWS@
--
-- 'maxResults', 'describePatchBaselines_maxResults' - The maximum number of patch baselines to return (per page).
--
-- 'nextToken', 'describePatchBaselines_nextToken' - The token for the next set of items to return. (You received this token
-- from a previous call.)
newDescribePatchBaselines ::
  DescribePatchBaselines
newDescribePatchBaselines =
  DescribePatchBaselines'
    { filters = Prelude.Nothing,
      maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | Each element in the array is a structure containing a key-value pair.
--
-- Supported keys for @DescribePatchBaselines@ include the following:
--
-- -   __@NAME_PREFIX@__
--
--     Sample values: @AWS-@ | @My-@
--
-- -   __@OWNER@__
--
--     Sample values: @AWS@ | @Self@
--
-- -   __@OPERATING_SYSTEM@__
--
--     Sample values: @AMAZON_LINUX@ | @SUSE@ | @WINDOWS@
describePatchBaselines_filters :: Lens.Lens' DescribePatchBaselines (Prelude.Maybe [PatchOrchestratorFilter])
describePatchBaselines_filters = Lens.lens (\DescribePatchBaselines' {filters} -> filters) (\s@DescribePatchBaselines' {} a -> s {filters = a} :: DescribePatchBaselines) Prelude.. Lens.mapping Lens.coerced

-- | The maximum number of patch baselines to return (per page).
describePatchBaselines_maxResults :: Lens.Lens' DescribePatchBaselines (Prelude.Maybe Prelude.Natural)
describePatchBaselines_maxResults = Lens.lens (\DescribePatchBaselines' {maxResults} -> maxResults) (\s@DescribePatchBaselines' {} a -> s {maxResults = a} :: DescribePatchBaselines)

-- | The token for the next set of items to return. (You received this token
-- from a previous call.)
describePatchBaselines_nextToken :: Lens.Lens' DescribePatchBaselines (Prelude.Maybe Prelude.Text)
describePatchBaselines_nextToken = Lens.lens (\DescribePatchBaselines' {nextToken} -> nextToken) (\s@DescribePatchBaselines' {} a -> s {nextToken = a} :: DescribePatchBaselines)

instance Core.AWSPager DescribePatchBaselines where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? describePatchBaselinesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? describePatchBaselinesResponse_baselineIdentities
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& describePatchBaselines_nextToken
          Lens..~ rs
          Lens.^? describePatchBaselinesResponse_nextToken
          Prelude.. Lens._Just

instance Core.AWSRequest DescribePatchBaselines where
  type
    AWSResponse DescribePatchBaselines =
      DescribePatchBaselinesResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          DescribePatchBaselinesResponse'
            Prelude.<$> ( x
                            Data..?> "BaselineIdentities"
                            Core..!@ Prelude.mempty
                        )
            Prelude.<*> (x Data..?> "NextToken")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable DescribePatchBaselines where
  hashWithSalt _salt DescribePatchBaselines' {..} =
    _salt
      `Prelude.hashWithSalt` filters
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken

instance Prelude.NFData DescribePatchBaselines where
  rnf DescribePatchBaselines' {..} =
    Prelude.rnf filters
      `Prelude.seq` Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken

instance Data.ToHeaders DescribePatchBaselines where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "AmazonSSM.DescribePatchBaselines" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON DescribePatchBaselines where
  toJSON DescribePatchBaselines' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("Filters" Data..=) Prelude.<$> filters,
            ("MaxResults" Data..=) Prelude.<$> maxResults,
            ("NextToken" Data..=) Prelude.<$> nextToken
          ]
      )

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

instance Data.ToQuery DescribePatchBaselines where
  toQuery = Prelude.const Prelude.mempty

-- | /See:/ 'newDescribePatchBaselinesResponse' smart constructor.
data DescribePatchBaselinesResponse = DescribePatchBaselinesResponse'
  { -- | An array of @PatchBaselineIdentity@ elements.
    baselineIdentities :: Prelude.Maybe [PatchBaselineIdentity],
    -- | The token to use when requesting the next set of items. If there are no
    -- additional items to return, the string is empty.
    nextToken :: 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 'DescribePatchBaselinesResponse' 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:
--
-- 'baselineIdentities', 'describePatchBaselinesResponse_baselineIdentities' - An array of @PatchBaselineIdentity@ elements.
--
-- 'nextToken', 'describePatchBaselinesResponse_nextToken' - The token to use when requesting the next set of items. If there are no
-- additional items to return, the string is empty.
--
-- 'httpStatus', 'describePatchBaselinesResponse_httpStatus' - The response's http status code.
newDescribePatchBaselinesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribePatchBaselinesResponse
newDescribePatchBaselinesResponse pHttpStatus_ =
  DescribePatchBaselinesResponse'
    { baselineIdentities =
        Prelude.Nothing,
      nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | An array of @PatchBaselineIdentity@ elements.
describePatchBaselinesResponse_baselineIdentities :: Lens.Lens' DescribePatchBaselinesResponse (Prelude.Maybe [PatchBaselineIdentity])
describePatchBaselinesResponse_baselineIdentities = Lens.lens (\DescribePatchBaselinesResponse' {baselineIdentities} -> baselineIdentities) (\s@DescribePatchBaselinesResponse' {} a -> s {baselineIdentities = a} :: DescribePatchBaselinesResponse) Prelude.. Lens.mapping Lens.coerced

-- | The token to use when requesting the next set of items. If there are no
-- additional items to return, the string is empty.
describePatchBaselinesResponse_nextToken :: Lens.Lens' DescribePatchBaselinesResponse (Prelude.Maybe Prelude.Text)
describePatchBaselinesResponse_nextToken = Lens.lens (\DescribePatchBaselinesResponse' {nextToken} -> nextToken) (\s@DescribePatchBaselinesResponse' {} a -> s {nextToken = a} :: DescribePatchBaselinesResponse)

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

instance
  Prelude.NFData
    DescribePatchBaselinesResponse
  where
  rnf DescribePatchBaselinesResponse' {..} =
    Prelude.rnf baselineIdentities
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus