{-# 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.OpenSearch.GetUpgradeHistory
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Retrieves the complete history of the last 10 upgrades performed on an
-- Amazon OpenSearch Service domain.
module Amazonka.OpenSearch.GetUpgradeHistory
  ( -- * Creating a Request
    GetUpgradeHistory (..),
    newGetUpgradeHistory,

    -- * Request Lenses
    getUpgradeHistory_maxResults,
    getUpgradeHistory_nextToken,
    getUpgradeHistory_domainName,

    -- * Destructuring the Response
    GetUpgradeHistoryResponse (..),
    newGetUpgradeHistoryResponse,

    -- * Response Lenses
    getUpgradeHistoryResponse_nextToken,
    getUpgradeHistoryResponse_upgradeHistories,
    getUpgradeHistoryResponse_httpStatus,
  )
where

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

-- | Container for the request parameters to the @GetUpgradeHistory@
-- operation.
--
-- /See:/ 'newGetUpgradeHistory' smart constructor.
data GetUpgradeHistory = GetUpgradeHistory'
  { -- | An optional parameter that specifies the maximum number of results to
    -- return. You can use @nextToken@ to get the next page of results.
    maxResults :: Prelude.Maybe Prelude.Int,
    -- | If your initial @GetUpgradeHistory@ operation returns a @nextToken@, you
    -- can include the returned @nextToken@ in subsequent @GetUpgradeHistory@
    -- operations, which returns results in the next page.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The name of an existing domain.
    domainName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetUpgradeHistory' 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', 'getUpgradeHistory_maxResults' - An optional parameter that specifies the maximum number of results to
-- return. You can use @nextToken@ to get the next page of results.
--
-- 'nextToken', 'getUpgradeHistory_nextToken' - If your initial @GetUpgradeHistory@ operation returns a @nextToken@, you
-- can include the returned @nextToken@ in subsequent @GetUpgradeHistory@
-- operations, which returns results in the next page.
--
-- 'domainName', 'getUpgradeHistory_domainName' - The name of an existing domain.
newGetUpgradeHistory ::
  -- | 'domainName'
  Prelude.Text ->
  GetUpgradeHistory
newGetUpgradeHistory pDomainName_ =
  GetUpgradeHistory'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      domainName = pDomainName_
    }

-- | An optional parameter that specifies the maximum number of results to
-- return. You can use @nextToken@ to get the next page of results.
getUpgradeHistory_maxResults :: Lens.Lens' GetUpgradeHistory (Prelude.Maybe Prelude.Int)
getUpgradeHistory_maxResults = Lens.lens (\GetUpgradeHistory' {maxResults} -> maxResults) (\s@GetUpgradeHistory' {} a -> s {maxResults = a} :: GetUpgradeHistory)

-- | If your initial @GetUpgradeHistory@ operation returns a @nextToken@, you
-- can include the returned @nextToken@ in subsequent @GetUpgradeHistory@
-- operations, which returns results in the next page.
getUpgradeHistory_nextToken :: Lens.Lens' GetUpgradeHistory (Prelude.Maybe Prelude.Text)
getUpgradeHistory_nextToken = Lens.lens (\GetUpgradeHistory' {nextToken} -> nextToken) (\s@GetUpgradeHistory' {} a -> s {nextToken = a} :: GetUpgradeHistory)

-- | The name of an existing domain.
getUpgradeHistory_domainName :: Lens.Lens' GetUpgradeHistory Prelude.Text
getUpgradeHistory_domainName = Lens.lens (\GetUpgradeHistory' {domainName} -> domainName) (\s@GetUpgradeHistory' {} a -> s {domainName = a} :: GetUpgradeHistory)

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

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

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

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

instance Data.ToPath GetUpgradeHistory where
  toPath GetUpgradeHistory' {..} =
    Prelude.mconcat
      [ "/2021-01-01/opensearch/upgradeDomain/",
        Data.toBS domainName,
        "/history"
      ]

instance Data.ToQuery GetUpgradeHistory where
  toQuery GetUpgradeHistory' {..} =
    Prelude.mconcat
      [ "maxResults" Data.=: maxResults,
        "nextToken" Data.=: nextToken
      ]

-- | Container for the response returned by the @GetUpgradeHistory@
-- operation.
--
-- /See:/ 'newGetUpgradeHistoryResponse' smart constructor.
data GetUpgradeHistoryResponse = GetUpgradeHistoryResponse'
  { -- | When @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.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | A list of objects corresponding to each upgrade or upgrade eligibility
    -- check performed on a domain.
    upgradeHistories :: Prelude.Maybe [UpgradeHistory],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetUpgradeHistoryResponse' 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', 'getUpgradeHistoryResponse_nextToken' - When @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.
--
-- 'upgradeHistories', 'getUpgradeHistoryResponse_upgradeHistories' - A list of objects corresponding to each upgrade or upgrade eligibility
-- check performed on a domain.
--
-- 'httpStatus', 'getUpgradeHistoryResponse_httpStatus' - The response's http status code.
newGetUpgradeHistoryResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetUpgradeHistoryResponse
newGetUpgradeHistoryResponse pHttpStatus_ =
  GetUpgradeHistoryResponse'
    { nextToken =
        Prelude.Nothing,
      upgradeHistories = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | When @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.
getUpgradeHistoryResponse_nextToken :: Lens.Lens' GetUpgradeHistoryResponse (Prelude.Maybe Prelude.Text)
getUpgradeHistoryResponse_nextToken = Lens.lens (\GetUpgradeHistoryResponse' {nextToken} -> nextToken) (\s@GetUpgradeHistoryResponse' {} a -> s {nextToken = a} :: GetUpgradeHistoryResponse)

-- | A list of objects corresponding to each upgrade or upgrade eligibility
-- check performed on a domain.
getUpgradeHistoryResponse_upgradeHistories :: Lens.Lens' GetUpgradeHistoryResponse (Prelude.Maybe [UpgradeHistory])
getUpgradeHistoryResponse_upgradeHistories = Lens.lens (\GetUpgradeHistoryResponse' {upgradeHistories} -> upgradeHistories) (\s@GetUpgradeHistoryResponse' {} a -> s {upgradeHistories = a} :: GetUpgradeHistoryResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData GetUpgradeHistoryResponse where
  rnf GetUpgradeHistoryResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf upgradeHistories
      `Prelude.seq` Prelude.rnf httpStatus