{-# 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.M2.ListDataSets
-- 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 data sets imported for a specific application. In Amazon Web
-- Services Mainframe Modernization, data sets are associated with
-- applications deployed on runtime environments. This is known as
-- importing data sets. Currently, Amazon Web Services Mainframe
-- Modernization can import data sets into catalogs using
-- <https://docs.aws.amazon.com/m2/latest/APIReference/API_CreateDataSetImportTask.html CreateDataSetImportTask>.
--
-- This operation returns paginated results.
module Amazonka.M2.ListDataSets
  ( -- * Creating a Request
    ListDataSets (..),
    newListDataSets,

    -- * Request Lenses
    listDataSets_maxResults,
    listDataSets_nextToken,
    listDataSets_prefix,
    listDataSets_applicationId,

    -- * Destructuring the Response
    ListDataSetsResponse (..),
    newListDataSetsResponse,

    -- * Response Lenses
    listDataSetsResponse_nextToken,
    listDataSetsResponse_httpStatus,
    listDataSetsResponse_dataSets,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.M2.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newListDataSets' smart constructor.
data ListDataSets = ListDataSets'
  { -- | The maximum number of objects to return.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | A pagination token returned from a previous call to this operation. This
    -- specifies the next item to return. To return to the beginning of the
    -- list, exclude this parameter.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The prefix of the data set name, which you can use to filter the list of
    -- data sets.
    prefix :: Prelude.Maybe Prelude.Text,
    -- | The unique identifier of the application for which you want to list the
    -- associated data sets.
    applicationId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListDataSets' 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:
--
-- 'maxResults', 'listDataSets_maxResults' - The maximum number of objects to return.
--
-- 'nextToken', 'listDataSets_nextToken' - A pagination token returned from a previous call to this operation. This
-- specifies the next item to return. To return to the beginning of the
-- list, exclude this parameter.
--
-- 'prefix', 'listDataSets_prefix' - The prefix of the data set name, which you can use to filter the list of
-- data sets.
--
-- 'applicationId', 'listDataSets_applicationId' - The unique identifier of the application for which you want to list the
-- associated data sets.
newListDataSets ::
  -- | 'applicationId'
  Prelude.Text ->
  ListDataSets
newListDataSets pApplicationId_ =
  ListDataSets'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      prefix = Prelude.Nothing,
      applicationId = pApplicationId_
    }

-- | The maximum number of objects to return.
listDataSets_maxResults :: Lens.Lens' ListDataSets (Prelude.Maybe Prelude.Natural)
listDataSets_maxResults = Lens.lens (\ListDataSets' {maxResults} -> maxResults) (\s@ListDataSets' {} a -> s {maxResults = a} :: ListDataSets)

-- | A pagination token returned from a previous call to this operation. This
-- specifies the next item to return. To return to the beginning of the
-- list, exclude this parameter.
listDataSets_nextToken :: Lens.Lens' ListDataSets (Prelude.Maybe Prelude.Text)
listDataSets_nextToken = Lens.lens (\ListDataSets' {nextToken} -> nextToken) (\s@ListDataSets' {} a -> s {nextToken = a} :: ListDataSets)

-- | The prefix of the data set name, which you can use to filter the list of
-- data sets.
listDataSets_prefix :: Lens.Lens' ListDataSets (Prelude.Maybe Prelude.Text)
listDataSets_prefix = Lens.lens (\ListDataSets' {prefix} -> prefix) (\s@ListDataSets' {} a -> s {prefix = a} :: ListDataSets)

-- | The unique identifier of the application for which you want to list the
-- associated data sets.
listDataSets_applicationId :: Lens.Lens' ListDataSets Prelude.Text
listDataSets_applicationId = Lens.lens (\ListDataSets' {applicationId} -> applicationId) (\s@ListDataSets' {} a -> s {applicationId = a} :: ListDataSets)

instance Core.AWSPager ListDataSets where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listDataSetsResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        (rs Lens.^. listDataSetsResponse_dataSets) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listDataSets_nextToken
          Lens..~ rs
          Lens.^? listDataSetsResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListDataSets where
  hashWithSalt _salt ListDataSets' {..} =
    _salt
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken
      `Prelude.hashWithSalt` prefix
      `Prelude.hashWithSalt` applicationId

instance Prelude.NFData ListDataSets where
  rnf ListDataSets' {..} =
    Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf prefix
      `Prelude.seq` Prelude.rnf applicationId

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

instance Data.ToPath ListDataSets where
  toPath ListDataSets' {..} =
    Prelude.mconcat
      [ "/applications/",
        Data.toBS applicationId,
        "/datasets"
      ]

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

-- | /See:/ 'newListDataSetsResponse' smart constructor.
data ListDataSetsResponse = ListDataSetsResponse'
  { -- | If there are more items to return, this contains a token that is passed
    -- to a subsequent call to this operation to retrieve the next set of
    -- items.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int,
    -- | The list of data sets, containing information including the creation
    -- time, the data set name, the data set organization, the data set format,
    -- and the last time the data set was referenced or updated.
    dataSets :: [DataSetSummary]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListDataSetsResponse' 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', 'listDataSetsResponse_nextToken' - If there are more items to return, this contains a token that is passed
-- to a subsequent call to this operation to retrieve the next set of
-- items.
--
-- 'httpStatus', 'listDataSetsResponse_httpStatus' - The response's http status code.
--
-- 'dataSets', 'listDataSetsResponse_dataSets' - The list of data sets, containing information including the creation
-- time, the data set name, the data set organization, the data set format,
-- and the last time the data set was referenced or updated.
newListDataSetsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListDataSetsResponse
newListDataSetsResponse pHttpStatus_ =
  ListDataSetsResponse'
    { nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_,
      dataSets = Prelude.mempty
    }

-- | If there are more items to return, this contains a token that is passed
-- to a subsequent call to this operation to retrieve the next set of
-- items.
listDataSetsResponse_nextToken :: Lens.Lens' ListDataSetsResponse (Prelude.Maybe Prelude.Text)
listDataSetsResponse_nextToken = Lens.lens (\ListDataSetsResponse' {nextToken} -> nextToken) (\s@ListDataSetsResponse' {} a -> s {nextToken = a} :: ListDataSetsResponse)

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

-- | The list of data sets, containing information including the creation
-- time, the data set name, the data set organization, the data set format,
-- and the last time the data set was referenced or updated.
listDataSetsResponse_dataSets :: Lens.Lens' ListDataSetsResponse [DataSetSummary]
listDataSetsResponse_dataSets = Lens.lens (\ListDataSetsResponse' {dataSets} -> dataSets) (\s@ListDataSetsResponse' {} a -> s {dataSets = a} :: ListDataSetsResponse) Prelude.. Lens.coerced

instance Prelude.NFData ListDataSetsResponse where
  rnf ListDataSetsResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus
      `Prelude.seq` Prelude.rnf dataSets