{-# 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.Kafka.UpdateBrokerCount
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Updates the number of broker nodes in the cluster.
module Amazonka.Kafka.UpdateBrokerCount
  ( -- * Creating a Request
    UpdateBrokerCount (..),
    newUpdateBrokerCount,

    -- * Request Lenses
    updateBrokerCount_clusterArn,
    updateBrokerCount_currentVersion,
    updateBrokerCount_targetNumberOfBrokerNodes,

    -- * Destructuring the Response
    UpdateBrokerCountResponse (..),
    newUpdateBrokerCountResponse,

    -- * Response Lenses
    updateBrokerCountResponse_clusterArn,
    updateBrokerCountResponse_clusterOperationArn,
    updateBrokerCountResponse_httpStatus,
  )
where

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

-- | /See:/ 'newUpdateBrokerCount' smart constructor.
data UpdateBrokerCount = UpdateBrokerCount'
  { -- | The Amazon Resource Name (ARN) that uniquely identifies the cluster.
    clusterArn :: Prelude.Text,
    -- | The version of cluster to update from. A successful operation will then
    -- generate a new version.
    currentVersion :: Prelude.Text,
    -- | The number of broker nodes that you want the cluster to have after this
    -- operation completes successfully.
    targetNumberOfBrokerNodes :: Prelude.Natural
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'UpdateBrokerCount' 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:
--
-- 'clusterArn', 'updateBrokerCount_clusterArn' - The Amazon Resource Name (ARN) that uniquely identifies the cluster.
--
-- 'currentVersion', 'updateBrokerCount_currentVersion' - The version of cluster to update from. A successful operation will then
-- generate a new version.
--
-- 'targetNumberOfBrokerNodes', 'updateBrokerCount_targetNumberOfBrokerNodes' - The number of broker nodes that you want the cluster to have after this
-- operation completes successfully.
newUpdateBrokerCount ::
  -- | 'clusterArn'
  Prelude.Text ->
  -- | 'currentVersion'
  Prelude.Text ->
  -- | 'targetNumberOfBrokerNodes'
  Prelude.Natural ->
  UpdateBrokerCount
newUpdateBrokerCount
  pClusterArn_
  pCurrentVersion_
  pTargetNumberOfBrokerNodes_ =
    UpdateBrokerCount'
      { clusterArn = pClusterArn_,
        currentVersion = pCurrentVersion_,
        targetNumberOfBrokerNodes =
          pTargetNumberOfBrokerNodes_
      }

-- | The Amazon Resource Name (ARN) that uniquely identifies the cluster.
updateBrokerCount_clusterArn :: Lens.Lens' UpdateBrokerCount Prelude.Text
updateBrokerCount_clusterArn = Lens.lens (\UpdateBrokerCount' {clusterArn} -> clusterArn) (\s@UpdateBrokerCount' {} a -> s {clusterArn = a} :: UpdateBrokerCount)

-- | The version of cluster to update from. A successful operation will then
-- generate a new version.
updateBrokerCount_currentVersion :: Lens.Lens' UpdateBrokerCount Prelude.Text
updateBrokerCount_currentVersion = Lens.lens (\UpdateBrokerCount' {currentVersion} -> currentVersion) (\s@UpdateBrokerCount' {} a -> s {currentVersion = a} :: UpdateBrokerCount)

-- | The number of broker nodes that you want the cluster to have after this
-- operation completes successfully.
updateBrokerCount_targetNumberOfBrokerNodes :: Lens.Lens' UpdateBrokerCount Prelude.Natural
updateBrokerCount_targetNumberOfBrokerNodes = Lens.lens (\UpdateBrokerCount' {targetNumberOfBrokerNodes} -> targetNumberOfBrokerNodes) (\s@UpdateBrokerCount' {} a -> s {targetNumberOfBrokerNodes = a} :: UpdateBrokerCount)

instance Core.AWSRequest UpdateBrokerCount where
  type
    AWSResponse UpdateBrokerCount =
      UpdateBrokerCountResponse
  request overrides =
    Request.putJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          UpdateBrokerCountResponse'
            Prelude.<$> (x Data..?> "clusterArn")
            Prelude.<*> (x Data..?> "clusterOperationArn")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable UpdateBrokerCount where
  hashWithSalt _salt UpdateBrokerCount' {..} =
    _salt
      `Prelude.hashWithSalt` clusterArn
      `Prelude.hashWithSalt` currentVersion
      `Prelude.hashWithSalt` targetNumberOfBrokerNodes

instance Prelude.NFData UpdateBrokerCount where
  rnf UpdateBrokerCount' {..} =
    Prelude.rnf clusterArn
      `Prelude.seq` Prelude.rnf currentVersion
      `Prelude.seq` Prelude.rnf targetNumberOfBrokerNodes

instance Data.ToHeaders UpdateBrokerCount where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON UpdateBrokerCount where
  toJSON UpdateBrokerCount' {..} =
    Data.object
      ( Prelude.catMaybes
          [ Prelude.Just
              ("currentVersion" Data..= currentVersion),
            Prelude.Just
              ( "targetNumberOfBrokerNodes"
                  Data..= targetNumberOfBrokerNodes
              )
          ]
      )

instance Data.ToPath UpdateBrokerCount where
  toPath UpdateBrokerCount' {..} =
    Prelude.mconcat
      [ "/v1/clusters/",
        Data.toBS clusterArn,
        "/nodes/count"
      ]

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

-- | /See:/ 'newUpdateBrokerCountResponse' smart constructor.
data UpdateBrokerCountResponse = UpdateBrokerCountResponse'
  { -- | The Amazon Resource Name (ARN) of the cluster.
    clusterArn :: Prelude.Maybe Prelude.Text,
    -- | The Amazon Resource Name (ARN) of the cluster operation.
    clusterOperationArn :: 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 'UpdateBrokerCountResponse' 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:
--
-- 'clusterArn', 'updateBrokerCountResponse_clusterArn' - The Amazon Resource Name (ARN) of the cluster.
--
-- 'clusterOperationArn', 'updateBrokerCountResponse_clusterOperationArn' - The Amazon Resource Name (ARN) of the cluster operation.
--
-- 'httpStatus', 'updateBrokerCountResponse_httpStatus' - The response's http status code.
newUpdateBrokerCountResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  UpdateBrokerCountResponse
newUpdateBrokerCountResponse pHttpStatus_ =
  UpdateBrokerCountResponse'
    { clusterArn =
        Prelude.Nothing,
      clusterOperationArn = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The Amazon Resource Name (ARN) of the cluster.
updateBrokerCountResponse_clusterArn :: Lens.Lens' UpdateBrokerCountResponse (Prelude.Maybe Prelude.Text)
updateBrokerCountResponse_clusterArn = Lens.lens (\UpdateBrokerCountResponse' {clusterArn} -> clusterArn) (\s@UpdateBrokerCountResponse' {} a -> s {clusterArn = a} :: UpdateBrokerCountResponse)

-- | The Amazon Resource Name (ARN) of the cluster operation.
updateBrokerCountResponse_clusterOperationArn :: Lens.Lens' UpdateBrokerCountResponse (Prelude.Maybe Prelude.Text)
updateBrokerCountResponse_clusterOperationArn = Lens.lens (\UpdateBrokerCountResponse' {clusterOperationArn} -> clusterOperationArn) (\s@UpdateBrokerCountResponse' {} a -> s {clusterOperationArn = a} :: UpdateBrokerCountResponse)

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

instance Prelude.NFData UpdateBrokerCountResponse where
  rnf UpdateBrokerCountResponse' {..} =
    Prelude.rnf clusterArn
      `Prelude.seq` Prelude.rnf clusterOperationArn
      `Prelude.seq` Prelude.rnf httpStatus