{-# 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.ElasticBeanstalk.ListPlatformVersions
-- 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 platform versions available for your account in an AWS Region.
-- Provides summary information about each platform version. Compare to
-- DescribePlatformVersion, which provides full details about a single
-- platform version.
--
-- For definitions of platform version and other platform-related terms,
-- see
-- <https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/platforms-glossary.html AWS Elastic Beanstalk Platforms Glossary>.
--
-- This operation returns paginated results.
module Amazonka.ElasticBeanstalk.ListPlatformVersions
  ( -- * Creating a Request
    ListPlatformVersions (..),
    newListPlatformVersions,

    -- * Request Lenses
    listPlatformVersions_filters,
    listPlatformVersions_maxRecords,
    listPlatformVersions_nextToken,

    -- * Destructuring the Response
    ListPlatformVersionsResponse (..),
    newListPlatformVersionsResponse,

    -- * Response Lenses
    listPlatformVersionsResponse_nextToken,
    listPlatformVersionsResponse_platformSummaryList,
    listPlatformVersionsResponse_httpStatus,
  )
where

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

-- | /See:/ 'newListPlatformVersions' smart constructor.
data ListPlatformVersions = ListPlatformVersions'
  { -- | Criteria for restricting the resulting list of platform versions. The
    -- filter is interpreted as a logical conjunction (AND) of the separate
    -- @PlatformFilter@ terms.
    filters :: Prelude.Maybe [PlatformFilter],
    -- | The maximum number of platform version values returned in one call.
    maxRecords :: Prelude.Maybe Prelude.Natural,
    -- | For a paginated request. Specify a token from a previous response page
    -- to retrieve the next response page. All other parameter values must be
    -- identical to the ones specified in the initial request.
    --
    -- If no @NextToken@ is specified, the first page is retrieved.
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListPlatformVersions' 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', 'listPlatformVersions_filters' - Criteria for restricting the resulting list of platform versions. The
-- filter is interpreted as a logical conjunction (AND) of the separate
-- @PlatformFilter@ terms.
--
-- 'maxRecords', 'listPlatformVersions_maxRecords' - The maximum number of platform version values returned in one call.
--
-- 'nextToken', 'listPlatformVersions_nextToken' - For a paginated request. Specify a token from a previous response page
-- to retrieve the next response page. All other parameter values must be
-- identical to the ones specified in the initial request.
--
-- If no @NextToken@ is specified, the first page is retrieved.
newListPlatformVersions ::
  ListPlatformVersions
newListPlatformVersions =
  ListPlatformVersions'
    { filters = Prelude.Nothing,
      maxRecords = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | Criteria for restricting the resulting list of platform versions. The
-- filter is interpreted as a logical conjunction (AND) of the separate
-- @PlatformFilter@ terms.
listPlatformVersions_filters :: Lens.Lens' ListPlatformVersions (Prelude.Maybe [PlatformFilter])
listPlatformVersions_filters = Lens.lens (\ListPlatformVersions' {filters} -> filters) (\s@ListPlatformVersions' {} a -> s {filters = a} :: ListPlatformVersions) Prelude.. Lens.mapping Lens.coerced

-- | The maximum number of platform version values returned in one call.
listPlatformVersions_maxRecords :: Lens.Lens' ListPlatformVersions (Prelude.Maybe Prelude.Natural)
listPlatformVersions_maxRecords = Lens.lens (\ListPlatformVersions' {maxRecords} -> maxRecords) (\s@ListPlatformVersions' {} a -> s {maxRecords = a} :: ListPlatformVersions)

-- | For a paginated request. Specify a token from a previous response page
-- to retrieve the next response page. All other parameter values must be
-- identical to the ones specified in the initial request.
--
-- If no @NextToken@ is specified, the first page is retrieved.
listPlatformVersions_nextToken :: Lens.Lens' ListPlatformVersions (Prelude.Maybe Prelude.Text)
listPlatformVersions_nextToken = Lens.lens (\ListPlatformVersions' {nextToken} -> nextToken) (\s@ListPlatformVersions' {} a -> s {nextToken = a} :: ListPlatformVersions)

instance Core.AWSPager ListPlatformVersions where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listPlatformVersionsResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listPlatformVersionsResponse_platformSummaryList
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listPlatformVersions_nextToken
          Lens..~ rs
          Lens.^? listPlatformVersionsResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListPlatformVersions where
  hashWithSalt _salt ListPlatformVersions' {..} =
    _salt
      `Prelude.hashWithSalt` filters
      `Prelude.hashWithSalt` maxRecords
      `Prelude.hashWithSalt` nextToken

instance Prelude.NFData ListPlatformVersions where
  rnf ListPlatformVersions' {..} =
    Prelude.rnf filters
      `Prelude.seq` Prelude.rnf maxRecords
      `Prelude.seq` Prelude.rnf nextToken

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

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

instance Data.ToQuery ListPlatformVersions where
  toQuery ListPlatformVersions' {..} =
    Prelude.mconcat
      [ "Action"
          Data.=: ("ListPlatformVersions" :: Prelude.ByteString),
        "Version"
          Data.=: ("2010-12-01" :: Prelude.ByteString),
        "Filters"
          Data.=: Data.toQuery
            (Data.toQueryList "member" Prelude.<$> filters),
        "MaxRecords" Data.=: maxRecords,
        "NextToken" Data.=: nextToken
      ]

-- | /See:/ 'newListPlatformVersionsResponse' smart constructor.
data ListPlatformVersionsResponse = ListPlatformVersionsResponse'
  { -- | In a paginated request, if this value isn\'t @null@, it\'s the token
    -- that you can pass in a subsequent request to get the next response page.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | Summary information about the platform versions.
    platformSummaryList :: Prelude.Maybe [PlatformSummary],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListPlatformVersionsResponse' 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', 'listPlatformVersionsResponse_nextToken' - In a paginated request, if this value isn\'t @null@, it\'s the token
-- that you can pass in a subsequent request to get the next response page.
--
-- 'platformSummaryList', 'listPlatformVersionsResponse_platformSummaryList' - Summary information about the platform versions.
--
-- 'httpStatus', 'listPlatformVersionsResponse_httpStatus' - The response's http status code.
newListPlatformVersionsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListPlatformVersionsResponse
newListPlatformVersionsResponse pHttpStatus_ =
  ListPlatformVersionsResponse'
    { nextToken =
        Prelude.Nothing,
      platformSummaryList = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | In a paginated request, if this value isn\'t @null@, it\'s the token
-- that you can pass in a subsequent request to get the next response page.
listPlatformVersionsResponse_nextToken :: Lens.Lens' ListPlatformVersionsResponse (Prelude.Maybe Prelude.Text)
listPlatformVersionsResponse_nextToken = Lens.lens (\ListPlatformVersionsResponse' {nextToken} -> nextToken) (\s@ListPlatformVersionsResponse' {} a -> s {nextToken = a} :: ListPlatformVersionsResponse)

-- | Summary information about the platform versions.
listPlatformVersionsResponse_platformSummaryList :: Lens.Lens' ListPlatformVersionsResponse (Prelude.Maybe [PlatformSummary])
listPlatformVersionsResponse_platformSummaryList = Lens.lens (\ListPlatformVersionsResponse' {platformSummaryList} -> platformSummaryList) (\s@ListPlatformVersionsResponse' {} a -> s {platformSummaryList = a} :: ListPlatformVersionsResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData ListPlatformVersionsResponse where
  rnf ListPlatformVersionsResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf platformSummaryList
      `Prelude.seq` Prelude.rnf httpStatus