{-# 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.MemoryDb.DescribeServiceUpdates
-- 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 details of the service updates
--
-- This operation returns paginated results.
module Amazonka.MemoryDb.DescribeServiceUpdates
  ( -- * Creating a Request
    DescribeServiceUpdates (..),
    newDescribeServiceUpdates,

    -- * Request Lenses
    describeServiceUpdates_clusterNames,
    describeServiceUpdates_maxResults,
    describeServiceUpdates_nextToken,
    describeServiceUpdates_serviceUpdateName,
    describeServiceUpdates_status,

    -- * Destructuring the Response
    DescribeServiceUpdatesResponse (..),
    newDescribeServiceUpdatesResponse,

    -- * Response Lenses
    describeServiceUpdatesResponse_nextToken,
    describeServiceUpdatesResponse_serviceUpdates,
    describeServiceUpdatesResponse_httpStatus,
  )
where

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

-- | /See:/ 'newDescribeServiceUpdates' smart constructor.
data DescribeServiceUpdates = DescribeServiceUpdates'
  { -- | The list of cluster names to identify service updates to apply
    clusterNames :: Prelude.Maybe [Prelude.Text],
    -- | The maximum number of records to include in the response. If more
    -- records exist than the specified MaxResults value, a token is included
    -- in the response so that the remaining results can be retrieved.
    maxResults :: Prelude.Maybe Prelude.Int,
    -- | An optional argument to pass in case the total number of records exceeds
    -- the value of MaxResults. If nextToken is returned, there are more
    -- results available. The value of nextToken is a unique pagination token
    -- for each page. Make the call again using the returned token to retrieve
    -- the next page. Keep all other arguments unchanged.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The unique ID of the service update to describe.
    serviceUpdateName :: Prelude.Maybe Prelude.Text,
    -- | The status(es) of the service updates to filter on
    status :: Prelude.Maybe [ServiceUpdateStatus]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeServiceUpdates' 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:
--
-- 'clusterNames', 'describeServiceUpdates_clusterNames' - The list of cluster names to identify service updates to apply
--
-- 'maxResults', 'describeServiceUpdates_maxResults' - The maximum number of records to include in the response. If more
-- records exist than the specified MaxResults value, a token is included
-- in the response so that the remaining results can be retrieved.
--
-- 'nextToken', 'describeServiceUpdates_nextToken' - An optional argument to pass in case the total number of records exceeds
-- the value of MaxResults. If nextToken is returned, there are more
-- results available. The value of nextToken is a unique pagination token
-- for each page. Make the call again using the returned token to retrieve
-- the next page. Keep all other arguments unchanged.
--
-- 'serviceUpdateName', 'describeServiceUpdates_serviceUpdateName' - The unique ID of the service update to describe.
--
-- 'status', 'describeServiceUpdates_status' - The status(es) of the service updates to filter on
newDescribeServiceUpdates ::
  DescribeServiceUpdates
newDescribeServiceUpdates =
  DescribeServiceUpdates'
    { clusterNames =
        Prelude.Nothing,
      maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      serviceUpdateName = Prelude.Nothing,
      status = Prelude.Nothing
    }

-- | The list of cluster names to identify service updates to apply
describeServiceUpdates_clusterNames :: Lens.Lens' DescribeServiceUpdates (Prelude.Maybe [Prelude.Text])
describeServiceUpdates_clusterNames = Lens.lens (\DescribeServiceUpdates' {clusterNames} -> clusterNames) (\s@DescribeServiceUpdates' {} a -> s {clusterNames = a} :: DescribeServiceUpdates) Prelude.. Lens.mapping Lens.coerced

-- | The maximum number of records to include in the response. If more
-- records exist than the specified MaxResults value, a token is included
-- in the response so that the remaining results can be retrieved.
describeServiceUpdates_maxResults :: Lens.Lens' DescribeServiceUpdates (Prelude.Maybe Prelude.Int)
describeServiceUpdates_maxResults = Lens.lens (\DescribeServiceUpdates' {maxResults} -> maxResults) (\s@DescribeServiceUpdates' {} a -> s {maxResults = a} :: DescribeServiceUpdates)

-- | An optional argument to pass in case the total number of records exceeds
-- the value of MaxResults. If nextToken is returned, there are more
-- results available. The value of nextToken is a unique pagination token
-- for each page. Make the call again using the returned token to retrieve
-- the next page. Keep all other arguments unchanged.
describeServiceUpdates_nextToken :: Lens.Lens' DescribeServiceUpdates (Prelude.Maybe Prelude.Text)
describeServiceUpdates_nextToken = Lens.lens (\DescribeServiceUpdates' {nextToken} -> nextToken) (\s@DescribeServiceUpdates' {} a -> s {nextToken = a} :: DescribeServiceUpdates)

-- | The unique ID of the service update to describe.
describeServiceUpdates_serviceUpdateName :: Lens.Lens' DescribeServiceUpdates (Prelude.Maybe Prelude.Text)
describeServiceUpdates_serviceUpdateName = Lens.lens (\DescribeServiceUpdates' {serviceUpdateName} -> serviceUpdateName) (\s@DescribeServiceUpdates' {} a -> s {serviceUpdateName = a} :: DescribeServiceUpdates)

-- | The status(es) of the service updates to filter on
describeServiceUpdates_status :: Lens.Lens' DescribeServiceUpdates (Prelude.Maybe [ServiceUpdateStatus])
describeServiceUpdates_status = Lens.lens (\DescribeServiceUpdates' {status} -> status) (\s@DescribeServiceUpdates' {} a -> s {status = a} :: DescribeServiceUpdates) Prelude.. Lens.mapping Lens.coerced

instance Core.AWSPager DescribeServiceUpdates where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? describeServiceUpdatesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? describeServiceUpdatesResponse_serviceUpdates
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& describeServiceUpdates_nextToken
          Lens..~ rs
          Lens.^? describeServiceUpdatesResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable DescribeServiceUpdates where
  hashWithSalt _salt DescribeServiceUpdates' {..} =
    _salt
      `Prelude.hashWithSalt` clusterNames
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken
      `Prelude.hashWithSalt` serviceUpdateName
      `Prelude.hashWithSalt` status

instance Prelude.NFData DescribeServiceUpdates where
  rnf DescribeServiceUpdates' {..} =
    Prelude.rnf clusterNames
      `Prelude.seq` Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf serviceUpdateName
      `Prelude.seq` Prelude.rnf status

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

instance Data.ToJSON DescribeServiceUpdates where
  toJSON DescribeServiceUpdates' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("ClusterNames" Data..=) Prelude.<$> clusterNames,
            ("MaxResults" Data..=) Prelude.<$> maxResults,
            ("NextToken" Data..=) Prelude.<$> nextToken,
            ("ServiceUpdateName" Data..=)
              Prelude.<$> serviceUpdateName,
            ("Status" Data..=) Prelude.<$> status
          ]
      )

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

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

-- | /See:/ 'newDescribeServiceUpdatesResponse' smart constructor.
data DescribeServiceUpdatesResponse = DescribeServiceUpdatesResponse'
  { -- | An optional argument to pass in case the total number of records exceeds
    -- the value of MaxResults. If nextToken is returned, there are more
    -- results available. The value of nextToken is a unique pagination token
    -- for each page. Make the call again using the returned token to retrieve
    -- the next page. Keep all other arguments unchanged.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | A list of service updates
    serviceUpdates :: Prelude.Maybe [ServiceUpdate],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeServiceUpdatesResponse' 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', 'describeServiceUpdatesResponse_nextToken' - An optional argument to pass in case the total number of records exceeds
-- the value of MaxResults. If nextToken is returned, there are more
-- results available. The value of nextToken is a unique pagination token
-- for each page. Make the call again using the returned token to retrieve
-- the next page. Keep all other arguments unchanged.
--
-- 'serviceUpdates', 'describeServiceUpdatesResponse_serviceUpdates' - A list of service updates
--
-- 'httpStatus', 'describeServiceUpdatesResponse_httpStatus' - The response's http status code.
newDescribeServiceUpdatesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeServiceUpdatesResponse
newDescribeServiceUpdatesResponse pHttpStatus_ =
  DescribeServiceUpdatesResponse'
    { nextToken =
        Prelude.Nothing,
      serviceUpdates = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | An optional argument to pass in case the total number of records exceeds
-- the value of MaxResults. If nextToken is returned, there are more
-- results available. The value of nextToken is a unique pagination token
-- for each page. Make the call again using the returned token to retrieve
-- the next page. Keep all other arguments unchanged.
describeServiceUpdatesResponse_nextToken :: Lens.Lens' DescribeServiceUpdatesResponse (Prelude.Maybe Prelude.Text)
describeServiceUpdatesResponse_nextToken = Lens.lens (\DescribeServiceUpdatesResponse' {nextToken} -> nextToken) (\s@DescribeServiceUpdatesResponse' {} a -> s {nextToken = a} :: DescribeServiceUpdatesResponse)

-- | A list of service updates
describeServiceUpdatesResponse_serviceUpdates :: Lens.Lens' DescribeServiceUpdatesResponse (Prelude.Maybe [ServiceUpdate])
describeServiceUpdatesResponse_serviceUpdates = Lens.lens (\DescribeServiceUpdatesResponse' {serviceUpdates} -> serviceUpdates) (\s@DescribeServiceUpdatesResponse' {} a -> s {serviceUpdates = a} :: DescribeServiceUpdatesResponse) Prelude.. Lens.mapping Lens.coerced

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

instance
  Prelude.NFData
    DescribeServiceUpdatesResponse
  where
  rnf DescribeServiceUpdatesResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf serviceUpdates
      `Prelude.seq` Prelude.rnf httpStatus