{-# 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.DataBrew.ListSchedules
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Lists the DataBrew schedules that are defined.
--
-- This operation returns paginated results.
module Amazonka.DataBrew.ListSchedules
  ( -- * Creating a Request
    ListSchedules (..),
    newListSchedules,

    -- * Request Lenses
    listSchedules_jobName,
    listSchedules_maxResults,
    listSchedules_nextToken,

    -- * Destructuring the Response
    ListSchedulesResponse (..),
    newListSchedulesResponse,

    -- * Response Lenses
    listSchedulesResponse_nextToken,
    listSchedulesResponse_httpStatus,
    listSchedulesResponse_schedules,
  )
where

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

-- | /See:/ 'newListSchedules' smart constructor.
data ListSchedules = ListSchedules'
  { -- | The name of the job that these schedules apply to.
    jobName :: Prelude.Maybe Prelude.Text,
    -- | The maximum number of results to return in this request.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The token returned by a previous call to retrieve the next set of
    -- results.
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListSchedules' 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:
--
-- 'jobName', 'listSchedules_jobName' - The name of the job that these schedules apply to.
--
-- 'maxResults', 'listSchedules_maxResults' - The maximum number of results to return in this request.
--
-- 'nextToken', 'listSchedules_nextToken' - The token returned by a previous call to retrieve the next set of
-- results.
newListSchedules ::
  ListSchedules
newListSchedules =
  ListSchedules'
    { jobName = Prelude.Nothing,
      maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | The name of the job that these schedules apply to.
listSchedules_jobName :: Lens.Lens' ListSchedules (Prelude.Maybe Prelude.Text)
listSchedules_jobName = Lens.lens (\ListSchedules' {jobName} -> jobName) (\s@ListSchedules' {} a -> s {jobName = a} :: ListSchedules)

-- | The maximum number of results to return in this request.
listSchedules_maxResults :: Lens.Lens' ListSchedules (Prelude.Maybe Prelude.Natural)
listSchedules_maxResults = Lens.lens (\ListSchedules' {maxResults} -> maxResults) (\s@ListSchedules' {} a -> s {maxResults = a} :: ListSchedules)

-- | The token returned by a previous call to retrieve the next set of
-- results.
listSchedules_nextToken :: Lens.Lens' ListSchedules (Prelude.Maybe Prelude.Text)
listSchedules_nextToken = Lens.lens (\ListSchedules' {nextToken} -> nextToken) (\s@ListSchedules' {} a -> s {nextToken = a} :: ListSchedules)

instance Core.AWSPager ListSchedules where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listSchedulesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        (rs Lens.^. listSchedulesResponse_schedules) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listSchedules_nextToken
          Lens..~ rs
          Lens.^? listSchedulesResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListSchedules where
  hashWithSalt _salt ListSchedules' {..} =
    _salt
      `Prelude.hashWithSalt` jobName
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken

instance Prelude.NFData ListSchedules where
  rnf ListSchedules' {..} =
    Prelude.rnf jobName
      `Prelude.seq` Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken

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

instance Data.ToPath ListSchedules where
  toPath = Prelude.const "/schedules"

instance Data.ToQuery ListSchedules where
  toQuery ListSchedules' {..} =
    Prelude.mconcat
      [ "jobName" Data.=: jobName,
        "maxResults" Data.=: maxResults,
        "nextToken" Data.=: nextToken
      ]

-- | /See:/ 'newListSchedulesResponse' smart constructor.
data ListSchedulesResponse = ListSchedulesResponse'
  { -- | A token that you can use in a subsequent call to retrieve the next set
    -- of results.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int,
    -- | A list of schedules that are defined.
    schedules :: [Schedule]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListSchedulesResponse' 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:
--
-- 'nextToken', 'listSchedulesResponse_nextToken' - A token that you can use in a subsequent call to retrieve the next set
-- of results.
--
-- 'httpStatus', 'listSchedulesResponse_httpStatus' - The response's http status code.
--
-- 'schedules', 'listSchedulesResponse_schedules' - A list of schedules that are defined.
newListSchedulesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListSchedulesResponse
newListSchedulesResponse pHttpStatus_ =
  ListSchedulesResponse'
    { nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_,
      schedules = Prelude.mempty
    }

-- | A token that you can use in a subsequent call to retrieve the next set
-- of results.
listSchedulesResponse_nextToken :: Lens.Lens' ListSchedulesResponse (Prelude.Maybe Prelude.Text)
listSchedulesResponse_nextToken = Lens.lens (\ListSchedulesResponse' {nextToken} -> nextToken) (\s@ListSchedulesResponse' {} a -> s {nextToken = a} :: ListSchedulesResponse)

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

-- | A list of schedules that are defined.
listSchedulesResponse_schedules :: Lens.Lens' ListSchedulesResponse [Schedule]
listSchedulesResponse_schedules = Lens.lens (\ListSchedulesResponse' {schedules} -> schedules) (\s@ListSchedulesResponse' {} a -> s {schedules = a} :: ListSchedulesResponse) Prelude.. Lens.coerced

instance Prelude.NFData ListSchedulesResponse where
  rnf ListSchedulesResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus
      `Prelude.seq` Prelude.rnf schedules