{-# 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.OpsWorks.DescribeRdsDbInstances
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Describes Amazon RDS instances.
--
-- __Required Permissions__: To use this action, an IAM user must have a
-- Show, Deploy, or Manage permissions level for the stack, or an attached
-- policy that explicitly grants permissions. For more information about
-- user permissions, see
-- <https://docs.aws.amazon.com/opsworks/latest/userguide/opsworks-security-users.html Managing User Permissions>.
--
-- This call accepts only one resource-identifying parameter.
module Amazonka.OpsWorks.DescribeRdsDbInstances
  ( -- * Creating a Request
    DescribeRdsDbInstances (..),
    newDescribeRdsDbInstances,

    -- * Request Lenses
    describeRdsDbInstances_rdsDbInstanceArns,
    describeRdsDbInstances_stackId,

    -- * Destructuring the Response
    DescribeRdsDbInstancesResponse (..),
    newDescribeRdsDbInstancesResponse,

    -- * Response Lenses
    describeRdsDbInstancesResponse_rdsDbInstances,
    describeRdsDbInstancesResponse_httpStatus,
  )
where

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

-- | /See:/ 'newDescribeRdsDbInstances' smart constructor.
data DescribeRdsDbInstances = DescribeRdsDbInstances'
  { -- | An array containing the ARNs of the instances to be described.
    rdsDbInstanceArns :: Prelude.Maybe [Prelude.Text],
    -- | The ID of the stack with which the instances are registered. The
    -- operation returns descriptions of all registered Amazon RDS instances.
    stackId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeRdsDbInstances' 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:
--
-- 'rdsDbInstanceArns', 'describeRdsDbInstances_rdsDbInstanceArns' - An array containing the ARNs of the instances to be described.
--
-- 'stackId', 'describeRdsDbInstances_stackId' - The ID of the stack with which the instances are registered. The
-- operation returns descriptions of all registered Amazon RDS instances.
newDescribeRdsDbInstances ::
  -- | 'stackId'
  Prelude.Text ->
  DescribeRdsDbInstances
newDescribeRdsDbInstances pStackId_ =
  DescribeRdsDbInstances'
    { rdsDbInstanceArns =
        Prelude.Nothing,
      stackId = pStackId_
    }

-- | An array containing the ARNs of the instances to be described.
describeRdsDbInstances_rdsDbInstanceArns :: Lens.Lens' DescribeRdsDbInstances (Prelude.Maybe [Prelude.Text])
describeRdsDbInstances_rdsDbInstanceArns = Lens.lens (\DescribeRdsDbInstances' {rdsDbInstanceArns} -> rdsDbInstanceArns) (\s@DescribeRdsDbInstances' {} a -> s {rdsDbInstanceArns = a} :: DescribeRdsDbInstances) Prelude.. Lens.mapping Lens.coerced

-- | The ID of the stack with which the instances are registered. The
-- operation returns descriptions of all registered Amazon RDS instances.
describeRdsDbInstances_stackId :: Lens.Lens' DescribeRdsDbInstances Prelude.Text
describeRdsDbInstances_stackId = Lens.lens (\DescribeRdsDbInstances' {stackId} -> stackId) (\s@DescribeRdsDbInstances' {} a -> s {stackId = a} :: DescribeRdsDbInstances)

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

instance Prelude.Hashable DescribeRdsDbInstances where
  hashWithSalt _salt DescribeRdsDbInstances' {..} =
    _salt
      `Prelude.hashWithSalt` rdsDbInstanceArns
      `Prelude.hashWithSalt` stackId

instance Prelude.NFData DescribeRdsDbInstances where
  rnf DescribeRdsDbInstances' {..} =
    Prelude.rnf rdsDbInstanceArns
      `Prelude.seq` Prelude.rnf stackId

instance Data.ToHeaders DescribeRdsDbInstances where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "OpsWorks_20130218.DescribeRdsDbInstances" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON DescribeRdsDbInstances where
  toJSON DescribeRdsDbInstances' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("RdsDbInstanceArns" Data..=)
              Prelude.<$> rdsDbInstanceArns,
            Prelude.Just ("StackId" Data..= stackId)
          ]
      )

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

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

-- | Contains the response to a @DescribeRdsDbInstances@ request.
--
-- /See:/ 'newDescribeRdsDbInstancesResponse' smart constructor.
data DescribeRdsDbInstancesResponse = DescribeRdsDbInstancesResponse'
  { -- | An a array of @RdsDbInstance@ objects that describe the instances.
    rdsDbInstances :: Prelude.Maybe [RdsDbInstance],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeRdsDbInstancesResponse' 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:
--
-- 'rdsDbInstances', 'describeRdsDbInstancesResponse_rdsDbInstances' - An a array of @RdsDbInstance@ objects that describe the instances.
--
-- 'httpStatus', 'describeRdsDbInstancesResponse_httpStatus' - The response's http status code.
newDescribeRdsDbInstancesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeRdsDbInstancesResponse
newDescribeRdsDbInstancesResponse pHttpStatus_ =
  DescribeRdsDbInstancesResponse'
    { rdsDbInstances =
        Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | An a array of @RdsDbInstance@ objects that describe the instances.
describeRdsDbInstancesResponse_rdsDbInstances :: Lens.Lens' DescribeRdsDbInstancesResponse (Prelude.Maybe [RdsDbInstance])
describeRdsDbInstancesResponse_rdsDbInstances = Lens.lens (\DescribeRdsDbInstancesResponse' {rdsDbInstances} -> rdsDbInstances) (\s@DescribeRdsDbInstancesResponse' {} a -> s {rdsDbInstances = a} :: DescribeRdsDbInstancesResponse) Prelude.. Lens.mapping Lens.coerced

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

instance
  Prelude.NFData
    DescribeRdsDbInstancesResponse
  where
  rnf DescribeRdsDbInstancesResponse' {..} =
    Prelude.rnf rdsDbInstances
      `Prelude.seq` Prelude.rnf httpStatus