{-# 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.AppFlow.StartFlow
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Activates an existing flow. For on-demand flows, this operation runs the
-- flow immediately. For schedule and event-triggered flows, this operation
-- activates the flow.
module Amazonka.AppFlow.StartFlow
  ( -- * Creating a Request
    StartFlow (..),
    newStartFlow,

    -- * Request Lenses
    startFlow_flowName,

    -- * Destructuring the Response
    StartFlowResponse (..),
    newStartFlowResponse,

    -- * Response Lenses
    startFlowResponse_executionId,
    startFlowResponse_flowArn,
    startFlowResponse_flowStatus,
    startFlowResponse_httpStatus,
  )
where

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

-- | /See:/ 'newStartFlow' smart constructor.
data StartFlow = StartFlow'
  { -- | The specified name of the flow. Spaces are not allowed. Use underscores
    -- (_) or hyphens (-) only.
    flowName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'StartFlow' 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:
--
-- 'flowName', 'startFlow_flowName' - The specified name of the flow. Spaces are not allowed. Use underscores
-- (_) or hyphens (-) only.
newStartFlow ::
  -- | 'flowName'
  Prelude.Text ->
  StartFlow
newStartFlow pFlowName_ =
  StartFlow' {flowName = pFlowName_}

-- | The specified name of the flow. Spaces are not allowed. Use underscores
-- (_) or hyphens (-) only.
startFlow_flowName :: Lens.Lens' StartFlow Prelude.Text
startFlow_flowName = Lens.lens (\StartFlow' {flowName} -> flowName) (\s@StartFlow' {} a -> s {flowName = a} :: StartFlow)

instance Core.AWSRequest StartFlow where
  type AWSResponse StartFlow = StartFlowResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          StartFlowResponse'
            Prelude.<$> (x Data..?> "executionId")
            Prelude.<*> (x Data..?> "flowArn")
            Prelude.<*> (x Data..?> "flowStatus")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable StartFlow where
  hashWithSalt _salt StartFlow' {..} =
    _salt `Prelude.hashWithSalt` flowName

instance Prelude.NFData StartFlow where
  rnf StartFlow' {..} = Prelude.rnf flowName

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

instance Data.ToJSON StartFlow where
  toJSON StartFlow' {..} =
    Data.object
      ( Prelude.catMaybes
          [Prelude.Just ("flowName" Data..= flowName)]
      )

instance Data.ToPath StartFlow where
  toPath = Prelude.const "/start-flow"

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

-- | /See:/ 'newStartFlowResponse' smart constructor.
data StartFlowResponse = StartFlowResponse'
  { -- | Returns the internal execution ID of an on-demand flow when the flow is
    -- started. For scheduled or event-triggered flows, this value is null.
    executionId :: Prelude.Maybe Prelude.Text,
    -- | The flow\'s Amazon Resource Name (ARN).
    flowArn :: Prelude.Maybe Prelude.Text,
    -- | Indicates the current status of the flow.
    flowStatus :: Prelude.Maybe FlowStatus,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'StartFlowResponse' 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:
--
-- 'executionId', 'startFlowResponse_executionId' - Returns the internal execution ID of an on-demand flow when the flow is
-- started. For scheduled or event-triggered flows, this value is null.
--
-- 'flowArn', 'startFlowResponse_flowArn' - The flow\'s Amazon Resource Name (ARN).
--
-- 'flowStatus', 'startFlowResponse_flowStatus' - Indicates the current status of the flow.
--
-- 'httpStatus', 'startFlowResponse_httpStatus' - The response's http status code.
newStartFlowResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  StartFlowResponse
newStartFlowResponse pHttpStatus_ =
  StartFlowResponse'
    { executionId = Prelude.Nothing,
      flowArn = Prelude.Nothing,
      flowStatus = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | Returns the internal execution ID of an on-demand flow when the flow is
-- started. For scheduled or event-triggered flows, this value is null.
startFlowResponse_executionId :: Lens.Lens' StartFlowResponse (Prelude.Maybe Prelude.Text)
startFlowResponse_executionId = Lens.lens (\StartFlowResponse' {executionId} -> executionId) (\s@StartFlowResponse' {} a -> s {executionId = a} :: StartFlowResponse)

-- | The flow\'s Amazon Resource Name (ARN).
startFlowResponse_flowArn :: Lens.Lens' StartFlowResponse (Prelude.Maybe Prelude.Text)
startFlowResponse_flowArn = Lens.lens (\StartFlowResponse' {flowArn} -> flowArn) (\s@StartFlowResponse' {} a -> s {flowArn = a} :: StartFlowResponse)

-- | Indicates the current status of the flow.
startFlowResponse_flowStatus :: Lens.Lens' StartFlowResponse (Prelude.Maybe FlowStatus)
startFlowResponse_flowStatus = Lens.lens (\StartFlowResponse' {flowStatus} -> flowStatus) (\s@StartFlowResponse' {} a -> s {flowStatus = a} :: StartFlowResponse)

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

instance Prelude.NFData StartFlowResponse where
  rnf StartFlowResponse' {..} =
    Prelude.rnf executionId
      `Prelude.seq` Prelude.rnf flowArn
      `Prelude.seq` Prelude.rnf flowStatus
      `Prelude.seq` Prelude.rnf httpStatus