{-# 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.MediaConnect.DescribeFlow
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Displays the details of a flow. The response includes the flow ARN,
-- name, and Availability Zone, as well as details about the source,
-- outputs, and entitlements.
module Amazonka.MediaConnect.DescribeFlow
  ( -- * Creating a Request
    DescribeFlow (..),
    newDescribeFlow,

    -- * Request Lenses
    describeFlow_flowArn,

    -- * Destructuring the Response
    DescribeFlowResponse (..),
    newDescribeFlowResponse,

    -- * Response Lenses
    describeFlowResponse_flow,
    describeFlowResponse_messages,
    describeFlowResponse_httpStatus,
  )
where

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

-- | /See:/ 'newDescribeFlow' smart constructor.
data DescribeFlow = DescribeFlow'
  { -- | The ARN of the flow that you want to describe.
    flowArn :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeFlow' 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:
--
-- 'flowArn', 'describeFlow_flowArn' - The ARN of the flow that you want to describe.
newDescribeFlow ::
  -- | 'flowArn'
  Prelude.Text ->
  DescribeFlow
newDescribeFlow pFlowArn_ =
  DescribeFlow' {flowArn = pFlowArn_}

-- | The ARN of the flow that you want to describe.
describeFlow_flowArn :: Lens.Lens' DescribeFlow Prelude.Text
describeFlow_flowArn = Lens.lens (\DescribeFlow' {flowArn} -> flowArn) (\s@DescribeFlow' {} a -> s {flowArn = a} :: DescribeFlow)

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

instance Prelude.Hashable DescribeFlow where
  hashWithSalt _salt DescribeFlow' {..} =
    _salt `Prelude.hashWithSalt` flowArn

instance Prelude.NFData DescribeFlow where
  rnf DescribeFlow' {..} = Prelude.rnf flowArn

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

instance Data.ToPath DescribeFlow where
  toPath DescribeFlow' {..} =
    Prelude.mconcat ["/v1/flows/", Data.toBS flowArn]

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

-- | /See:/ 'newDescribeFlowResponse' smart constructor.
data DescribeFlowResponse = DescribeFlowResponse'
  { flow :: Prelude.Maybe Flow,
    messages :: Prelude.Maybe Messages,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeFlowResponse' 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:
--
-- 'flow', 'describeFlowResponse_flow' - Undocumented member.
--
-- 'messages', 'describeFlowResponse_messages' - Undocumented member.
--
-- 'httpStatus', 'describeFlowResponse_httpStatus' - The response's http status code.
newDescribeFlowResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeFlowResponse
newDescribeFlowResponse pHttpStatus_ =
  DescribeFlowResponse'
    { flow = Prelude.Nothing,
      messages = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | Undocumented member.
describeFlowResponse_flow :: Lens.Lens' DescribeFlowResponse (Prelude.Maybe Flow)
describeFlowResponse_flow = Lens.lens (\DescribeFlowResponse' {flow} -> flow) (\s@DescribeFlowResponse' {} a -> s {flow = a} :: DescribeFlowResponse)

-- | Undocumented member.
describeFlowResponse_messages :: Lens.Lens' DescribeFlowResponse (Prelude.Maybe Messages)
describeFlowResponse_messages = Lens.lens (\DescribeFlowResponse' {messages} -> messages) (\s@DescribeFlowResponse' {} a -> s {messages = a} :: DescribeFlowResponse)

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

instance Prelude.NFData DescribeFlowResponse where
  rnf DescribeFlowResponse' {..} =
    Prelude.rnf flow
      `Prelude.seq` Prelude.rnf messages
      `Prelude.seq` Prelude.rnf httpStatus