{-# 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.Redshift.ModifyClusterParameterGroup
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Modifies the parameters of a parameter group. For the parameters
-- parameter, it can\'t contain ASCII characters.
--
-- For more information about parameters and parameter groups, go to
-- <https://docs.aws.amazon.com/redshift/latest/mgmt/working-with-parameter-groups.html Amazon Redshift Parameter Groups>
-- in the /Amazon Redshift Cluster Management Guide/.
module Amazonka.Redshift.ModifyClusterParameterGroup
  ( -- * Creating a Request
    ModifyClusterParameterGroup (..),
    newModifyClusterParameterGroup,

    -- * Request Lenses
    modifyClusterParameterGroup_parameterGroupName,
    modifyClusterParameterGroup_parameters,

    -- * Destructuring the Response
    ClusterParameterGroupNameMessage (..),
    newClusterParameterGroupNameMessage,

    -- * Response Lenses
    clusterParameterGroupNameMessage_parameterGroupName,
    clusterParameterGroupNameMessage_parameterGroupStatus,
  )
where

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 Amazonka.Redshift.Types
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | Describes a modify cluster parameter group operation.
--
-- /See:/ 'newModifyClusterParameterGroup' smart constructor.
data ModifyClusterParameterGroup = ModifyClusterParameterGroup'
  { -- | The name of the parameter group to be modified.
    parameterGroupName :: Prelude.Text,
    -- | An array of parameters to be modified. A maximum of 20 parameters can be
    -- modified in a single request.
    --
    -- For each parameter to be modified, you must supply at least the
    -- parameter name and parameter value; other name-value pairs of the
    -- parameter are optional.
    --
    -- For the workload management (WLM) configuration, you must supply all the
    -- name-value pairs in the wlm_json_configuration parameter.
    parameters :: [Parameter]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ModifyClusterParameterGroup' 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:
--
-- 'parameterGroupName', 'modifyClusterParameterGroup_parameterGroupName' - The name of the parameter group to be modified.
--
-- 'parameters', 'modifyClusterParameterGroup_parameters' - An array of parameters to be modified. A maximum of 20 parameters can be
-- modified in a single request.
--
-- For each parameter to be modified, you must supply at least the
-- parameter name and parameter value; other name-value pairs of the
-- parameter are optional.
--
-- For the workload management (WLM) configuration, you must supply all the
-- name-value pairs in the wlm_json_configuration parameter.
newModifyClusterParameterGroup ::
  -- | 'parameterGroupName'
  Prelude.Text ->
  ModifyClusterParameterGroup
newModifyClusterParameterGroup pParameterGroupName_ =
  ModifyClusterParameterGroup'
    { parameterGroupName =
        pParameterGroupName_,
      parameters = Prelude.mempty
    }

-- | The name of the parameter group to be modified.
modifyClusterParameterGroup_parameterGroupName :: Lens.Lens' ModifyClusterParameterGroup Prelude.Text
modifyClusterParameterGroup_parameterGroupName = Lens.lens (\ModifyClusterParameterGroup' {parameterGroupName} -> parameterGroupName) (\s@ModifyClusterParameterGroup' {} a -> s {parameterGroupName = a} :: ModifyClusterParameterGroup)

-- | An array of parameters to be modified. A maximum of 20 parameters can be
-- modified in a single request.
--
-- For each parameter to be modified, you must supply at least the
-- parameter name and parameter value; other name-value pairs of the
-- parameter are optional.
--
-- For the workload management (WLM) configuration, you must supply all the
-- name-value pairs in the wlm_json_configuration parameter.
modifyClusterParameterGroup_parameters :: Lens.Lens' ModifyClusterParameterGroup [Parameter]
modifyClusterParameterGroup_parameters = Lens.lens (\ModifyClusterParameterGroup' {parameters} -> parameters) (\s@ModifyClusterParameterGroup' {} a -> s {parameters = a} :: ModifyClusterParameterGroup) Prelude.. Lens.coerced

instance Core.AWSRequest ModifyClusterParameterGroup where
  type
    AWSResponse ModifyClusterParameterGroup =
      ClusterParameterGroupNameMessage
  request overrides =
    Request.postQuery (overrides defaultService)
  response =
    Response.receiveXMLWrapper
      "ModifyClusterParameterGroupResult"
      (\s h x -> Data.parseXML x)

instance Prelude.Hashable ModifyClusterParameterGroup where
  hashWithSalt _salt ModifyClusterParameterGroup' {..} =
    _salt
      `Prelude.hashWithSalt` parameterGroupName
      `Prelude.hashWithSalt` parameters

instance Prelude.NFData ModifyClusterParameterGroup where
  rnf ModifyClusterParameterGroup' {..} =
    Prelude.rnf parameterGroupName
      `Prelude.seq` Prelude.rnf parameters

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

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

instance Data.ToQuery ModifyClusterParameterGroup where
  toQuery ModifyClusterParameterGroup' {..} =
    Prelude.mconcat
      [ "Action"
          Data.=: ( "ModifyClusterParameterGroup" ::
                      Prelude.ByteString
                  ),
        "Version"
          Data.=: ("2012-12-01" :: Prelude.ByteString),
        "ParameterGroupName" Data.=: parameterGroupName,
        "Parameters"
          Data.=: Data.toQueryList "Parameter" parameters
      ]