{-# 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.DescribeCluster
-- 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 a description of the MSK cluster whose Amazon Resource Name
-- (ARN) is specified in the request.
module Amazonka.Kafka.DescribeCluster
  ( -- * Creating a Request
    DescribeCluster (..),
    newDescribeCluster,

    -- * Request Lenses
    describeCluster_clusterArn,

    -- * Destructuring the Response
    DescribeClusterResponse (..),
    newDescribeClusterResponse,

    -- * Response Lenses
    describeClusterResponse_clusterInfo,
    describeClusterResponse_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:/ 'newDescribeCluster' smart constructor.
data DescribeCluster = DescribeCluster'
  { -- | The Amazon Resource Name (ARN) that uniquely identifies the cluster.
    clusterArn :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeCluster' 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', 'describeCluster_clusterArn' - The Amazon Resource Name (ARN) that uniquely identifies the cluster.
newDescribeCluster ::
  -- | 'clusterArn'
  Prelude.Text ->
  DescribeCluster
newDescribeCluster pClusterArn_ =
  DescribeCluster' {clusterArn = pClusterArn_}

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

instance Core.AWSRequest DescribeCluster where
  type
    AWSResponse DescribeCluster =
      DescribeClusterResponse
  request overrides =
    Request.get (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          DescribeClusterResponse'
            Prelude.<$> (x Data..?> "clusterInfo")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable DescribeCluster where
  hashWithSalt _salt DescribeCluster' {..} =
    _salt `Prelude.hashWithSalt` clusterArn

instance Prelude.NFData DescribeCluster where
  rnf DescribeCluster' {..} = Prelude.rnf clusterArn

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

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

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

-- | /See:/ 'newDescribeClusterResponse' smart constructor.
data DescribeClusterResponse = DescribeClusterResponse'
  { -- | The cluster information.
    clusterInfo :: Prelude.Maybe ClusterInfo,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeClusterResponse' 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:
--
-- 'clusterInfo', 'describeClusterResponse_clusterInfo' - The cluster information.
--
-- 'httpStatus', 'describeClusterResponse_httpStatus' - The response's http status code.
newDescribeClusterResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeClusterResponse
newDescribeClusterResponse pHttpStatus_ =
  DescribeClusterResponse'
    { clusterInfo =
        Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The cluster information.
describeClusterResponse_clusterInfo :: Lens.Lens' DescribeClusterResponse (Prelude.Maybe ClusterInfo)
describeClusterResponse_clusterInfo = Lens.lens (\DescribeClusterResponse' {clusterInfo} -> clusterInfo) (\s@DescribeClusterResponse' {} a -> s {clusterInfo = a} :: DescribeClusterResponse)

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

instance Prelude.NFData DescribeClusterResponse where
  rnf DescribeClusterResponse' {..} =
    Prelude.rnf clusterInfo
      `Prelude.seq` Prelude.rnf httpStatus