{-# 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.Athena.ListEngineVersions
-- 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 a list of engine versions that are available to choose from,
-- including the Auto option.
module Amazonka.Athena.ListEngineVersions
  ( -- * Creating a Request
    ListEngineVersions (..),
    newListEngineVersions,

    -- * Request Lenses
    listEngineVersions_maxResults,
    listEngineVersions_nextToken,

    -- * Destructuring the Response
    ListEngineVersionsResponse (..),
    newListEngineVersionsResponse,

    -- * Response Lenses
    listEngineVersionsResponse_engineVersions,
    listEngineVersionsResponse_nextToken,
    listEngineVersionsResponse_httpStatus,
  )
where

import Amazonka.Athena.Types
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

-- | /See:/ 'newListEngineVersions' smart constructor.
data ListEngineVersions = ListEngineVersions'
  { -- | The maximum number of engine versions to return in this request.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | A token generated by the Athena service that specifies where to continue
    -- pagination if a previous request was truncated. To obtain the next set
    -- of pages, pass in the @NextToken@ from the response object of the
    -- previous page call.
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListEngineVersions' 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', 'listEngineVersions_maxResults' - The maximum number of engine versions to return in this request.
--
-- 'nextToken', 'listEngineVersions_nextToken' - A token generated by the Athena service that specifies where to continue
-- pagination if a previous request was truncated. To obtain the next set
-- of pages, pass in the @NextToken@ from the response object of the
-- previous page call.
newListEngineVersions ::
  ListEngineVersions
newListEngineVersions =
  ListEngineVersions'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | The maximum number of engine versions to return in this request.
listEngineVersions_maxResults :: Lens.Lens' ListEngineVersions (Prelude.Maybe Prelude.Natural)
listEngineVersions_maxResults = Lens.lens (\ListEngineVersions' {maxResults} -> maxResults) (\s@ListEngineVersions' {} a -> s {maxResults = a} :: ListEngineVersions)

-- | A token generated by the Athena service that specifies where to continue
-- pagination if a previous request was truncated. To obtain the next set
-- of pages, pass in the @NextToken@ from the response object of the
-- previous page call.
listEngineVersions_nextToken :: Lens.Lens' ListEngineVersions (Prelude.Maybe Prelude.Text)
listEngineVersions_nextToken = Lens.lens (\ListEngineVersions' {nextToken} -> nextToken) (\s@ListEngineVersions' {} a -> s {nextToken = a} :: ListEngineVersions)

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

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

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

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

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

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

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

-- | /See:/ 'newListEngineVersionsResponse' smart constructor.
data ListEngineVersionsResponse = ListEngineVersionsResponse'
  { -- | A list of engine versions that are available to choose from.
    engineVersions :: Prelude.Maybe [EngineVersion],
    -- | A token generated by the Athena service that specifies where to continue
    -- pagination if a previous request was truncated. To obtain the next set
    -- of pages, pass in the @NextToken@ from the response object of the
    -- previous page call.
    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 'ListEngineVersionsResponse' 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:
--
-- 'engineVersions', 'listEngineVersionsResponse_engineVersions' - A list of engine versions that are available to choose from.
--
-- 'nextToken', 'listEngineVersionsResponse_nextToken' - A token generated by the Athena service that specifies where to continue
-- pagination if a previous request was truncated. To obtain the next set
-- of pages, pass in the @NextToken@ from the response object of the
-- previous page call.
--
-- 'httpStatus', 'listEngineVersionsResponse_httpStatus' - The response's http status code.
newListEngineVersionsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListEngineVersionsResponse
newListEngineVersionsResponse pHttpStatus_ =
  ListEngineVersionsResponse'
    { engineVersions =
        Prelude.Nothing,
      nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | A list of engine versions that are available to choose from.
listEngineVersionsResponse_engineVersions :: Lens.Lens' ListEngineVersionsResponse (Prelude.Maybe [EngineVersion])
listEngineVersionsResponse_engineVersions = Lens.lens (\ListEngineVersionsResponse' {engineVersions} -> engineVersions) (\s@ListEngineVersionsResponse' {} a -> s {engineVersions = a} :: ListEngineVersionsResponse) Prelude.. Lens.mapping Lens.coerced

-- | A token generated by the Athena service that specifies where to continue
-- pagination if a previous request was truncated. To obtain the next set
-- of pages, pass in the @NextToken@ from the response object of the
-- previous page call.
listEngineVersionsResponse_nextToken :: Lens.Lens' ListEngineVersionsResponse (Prelude.Maybe Prelude.Text)
listEngineVersionsResponse_nextToken = Lens.lens (\ListEngineVersionsResponse' {nextToken} -> nextToken) (\s@ListEngineVersionsResponse' {} a -> s {nextToken = a} :: ListEngineVersionsResponse)

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

instance Prelude.NFData ListEngineVersionsResponse where
  rnf ListEngineVersionsResponse' {..} =
    Prelude.rnf engineVersions
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus