{-# 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.ElasticTranscoder.ListPipelines
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- The ListPipelines operation gets a list of the pipelines associated with
-- the current AWS account.
--
-- This operation returns paginated results.
module Amazonka.ElasticTranscoder.ListPipelines
  ( -- * Creating a Request
    ListPipelines (..),
    newListPipelines,

    -- * Request Lenses
    listPipelines_ascending,
    listPipelines_pageToken,

    -- * Destructuring the Response
    ListPipelinesResponse (..),
    newListPipelinesResponse,

    -- * Response Lenses
    listPipelinesResponse_nextPageToken,
    listPipelinesResponse_pipelines,
    listPipelinesResponse_httpStatus,
  )
where

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

-- | The @ListPipelineRequest@ structure.
--
-- /See:/ 'newListPipelines' smart constructor.
data ListPipelines = ListPipelines'
  { -- | To list pipelines in chronological order by the date and time that they
    -- were created, enter @true@. To list pipelines in reverse chronological
    -- order, enter @false@.
    ascending :: Prelude.Maybe Prelude.Text,
    -- | When Elastic Transcoder returns more than one page of results, use
    -- @pageToken@ in subsequent @GET@ requests to get each successive page of
    -- results.
    pageToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListPipelines' 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:
--
-- 'ascending', 'listPipelines_ascending' - To list pipelines in chronological order by the date and time that they
-- were created, enter @true@. To list pipelines in reverse chronological
-- order, enter @false@.
--
-- 'pageToken', 'listPipelines_pageToken' - When Elastic Transcoder returns more than one page of results, use
-- @pageToken@ in subsequent @GET@ requests to get each successive page of
-- results.
newListPipelines ::
  ListPipelines
newListPipelines =
  ListPipelines'
    { ascending = Prelude.Nothing,
      pageToken = Prelude.Nothing
    }

-- | To list pipelines in chronological order by the date and time that they
-- were created, enter @true@. To list pipelines in reverse chronological
-- order, enter @false@.
listPipelines_ascending :: Lens.Lens' ListPipelines (Prelude.Maybe Prelude.Text)
listPipelines_ascending = Lens.lens (\ListPipelines' {ascending} -> ascending) (\s@ListPipelines' {} a -> s {ascending = a} :: ListPipelines)

-- | When Elastic Transcoder returns more than one page of results, use
-- @pageToken@ in subsequent @GET@ requests to get each successive page of
-- results.
listPipelines_pageToken :: Lens.Lens' ListPipelines (Prelude.Maybe Prelude.Text)
listPipelines_pageToken = Lens.lens (\ListPipelines' {pageToken} -> pageToken) (\s@ListPipelines' {} a -> s {pageToken = a} :: ListPipelines)

instance Core.AWSPager ListPipelines where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listPipelinesResponse_nextPageToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listPipelinesResponse_pipelines
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listPipelines_pageToken
          Lens..~ rs
          Lens.^? listPipelinesResponse_nextPageToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListPipelines where
  hashWithSalt _salt ListPipelines' {..} =
    _salt
      `Prelude.hashWithSalt` ascending
      `Prelude.hashWithSalt` pageToken

instance Prelude.NFData ListPipelines where
  rnf ListPipelines' {..} =
    Prelude.rnf ascending
      `Prelude.seq` Prelude.rnf pageToken

instance Data.ToHeaders ListPipelines where
  toHeaders = Prelude.const Prelude.mempty

instance Data.ToPath ListPipelines where
  toPath = Prelude.const "/2012-09-25/pipelines"

instance Data.ToQuery ListPipelines where
  toQuery ListPipelines' {..} =
    Prelude.mconcat
      [ "Ascending" Data.=: ascending,
        "PageToken" Data.=: pageToken
      ]

-- | A list of the pipelines associated with the current AWS account.
--
-- /See:/ 'newListPipelinesResponse' smart constructor.
data ListPipelinesResponse = ListPipelinesResponse'
  { -- | A value that you use to access the second and subsequent pages of
    -- results, if any. When the pipelines fit on one page or when you\'ve
    -- reached the last page of results, the value of @NextPageToken@ is
    -- @null@.
    nextPageToken :: Prelude.Maybe Prelude.Text,
    -- | An array of @Pipeline@ objects.
    pipelines :: Prelude.Maybe [Pipeline],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListPipelinesResponse' 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:
--
-- 'nextPageToken', 'listPipelinesResponse_nextPageToken' - A value that you use to access the second and subsequent pages of
-- results, if any. When the pipelines fit on one page or when you\'ve
-- reached the last page of results, the value of @NextPageToken@ is
-- @null@.
--
-- 'pipelines', 'listPipelinesResponse_pipelines' - An array of @Pipeline@ objects.
--
-- 'httpStatus', 'listPipelinesResponse_httpStatus' - The response's http status code.
newListPipelinesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListPipelinesResponse
newListPipelinesResponse pHttpStatus_ =
  ListPipelinesResponse'
    { nextPageToken =
        Prelude.Nothing,
      pipelines = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | A value that you use to access the second and subsequent pages of
-- results, if any. When the pipelines fit on one page or when you\'ve
-- reached the last page of results, the value of @NextPageToken@ is
-- @null@.
listPipelinesResponse_nextPageToken :: Lens.Lens' ListPipelinesResponse (Prelude.Maybe Prelude.Text)
listPipelinesResponse_nextPageToken = Lens.lens (\ListPipelinesResponse' {nextPageToken} -> nextPageToken) (\s@ListPipelinesResponse' {} a -> s {nextPageToken = a} :: ListPipelinesResponse)

-- | An array of @Pipeline@ objects.
listPipelinesResponse_pipelines :: Lens.Lens' ListPipelinesResponse (Prelude.Maybe [Pipeline])
listPipelinesResponse_pipelines = Lens.lens (\ListPipelinesResponse' {pipelines} -> pipelines) (\s@ListPipelinesResponse' {} a -> s {pipelines = a} :: ListPipelinesResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData ListPipelinesResponse where
  rnf ListPipelinesResponse' {..} =
    Prelude.rnf nextPageToken
      `Prelude.seq` Prelude.rnf pipelines
      `Prelude.seq` Prelude.rnf httpStatus