{-# 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.Forecast.ListDatasetGroups
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Returns a list of dataset groups created using the
-- <https://docs.aws.amazon.com/forecast/latest/dg/API_CreateDatasetGroup.html CreateDatasetGroup>
-- operation. For each dataset group, this operation returns a summary of
-- its properties, including its Amazon Resource Name (ARN). You can
-- retrieve the complete set of properties by using the dataset group ARN
-- with the
-- <https://docs.aws.amazon.com/forecast/latest/dg/API_DescribeDatasetGroup.html DescribeDatasetGroup>
-- operation.
--
-- This operation returns paginated results.
module Amazonka.Forecast.ListDatasetGroups
  ( -- * Creating a Request
    ListDatasetGroups (..),
    newListDatasetGroups,

    -- * Request Lenses
    listDatasetGroups_maxResults,
    listDatasetGroups_nextToken,

    -- * Destructuring the Response
    ListDatasetGroupsResponse (..),
    newListDatasetGroupsResponse,

    -- * Response Lenses
    listDatasetGroupsResponse_datasetGroups,
    listDatasetGroupsResponse_nextToken,
    listDatasetGroupsResponse_httpStatus,
  )
where

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

-- | /See:/ 'newListDatasetGroups' smart constructor.
data ListDatasetGroups = ListDatasetGroups'
  { -- | The number of items to return in the response.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | If the result of the previous request was truncated, the response
    -- includes a @NextToken@. To retrieve the next set of results, use the
    -- token in the next request. Tokens expire after 24 hours.
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListDatasetGroups' 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', 'listDatasetGroups_maxResults' - The number of items to return in the response.
--
-- 'nextToken', 'listDatasetGroups_nextToken' - If the result of the previous request was truncated, the response
-- includes a @NextToken@. To retrieve the next set of results, use the
-- token in the next request. Tokens expire after 24 hours.
newListDatasetGroups ::
  ListDatasetGroups
newListDatasetGroups =
  ListDatasetGroups'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | The number of items to return in the response.
listDatasetGroups_maxResults :: Lens.Lens' ListDatasetGroups (Prelude.Maybe Prelude.Natural)
listDatasetGroups_maxResults = Lens.lens (\ListDatasetGroups' {maxResults} -> maxResults) (\s@ListDatasetGroups' {} a -> s {maxResults = a} :: ListDatasetGroups)

-- | If the result of the previous request was truncated, the response
-- includes a @NextToken@. To retrieve the next set of results, use the
-- token in the next request. Tokens expire after 24 hours.
listDatasetGroups_nextToken :: Lens.Lens' ListDatasetGroups (Prelude.Maybe Prelude.Text)
listDatasetGroups_nextToken = Lens.lens (\ListDatasetGroups' {nextToken} -> nextToken) (\s@ListDatasetGroups' {} a -> s {nextToken = a} :: ListDatasetGroups)

instance Core.AWSPager ListDatasetGroups where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listDatasetGroupsResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listDatasetGroupsResponse_datasetGroups
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listDatasetGroups_nextToken
          Lens..~ rs
          Lens.^? listDatasetGroupsResponse_nextToken
          Prelude.. Lens._Just

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

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

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

instance Data.ToHeaders ListDatasetGroups where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "AmazonForecast.ListDatasetGroups" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON ListDatasetGroups where
  toJSON ListDatasetGroups' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("MaxResults" Data..=) Prelude.<$> maxResults,
            ("NextToken" Data..=) Prelude.<$> nextToken
          ]
      )

instance Data.ToPath ListDatasetGroups where
  toPath = Prelude.const "/"

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

-- | /See:/ 'newListDatasetGroupsResponse' smart constructor.
data ListDatasetGroupsResponse = ListDatasetGroupsResponse'
  { -- | An array of objects that summarize each dataset group\'s properties.
    datasetGroups :: Prelude.Maybe [DatasetGroupSummary],
    -- | If the response is truncated, Amazon Forecast returns this token. To
    -- retrieve the next set of results, use the token in the next request.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListDatasetGroupsResponse' 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:
--
-- 'datasetGroups', 'listDatasetGroupsResponse_datasetGroups' - An array of objects that summarize each dataset group\'s properties.
--
-- 'nextToken', 'listDatasetGroupsResponse_nextToken' - If the response is truncated, Amazon Forecast returns this token. To
-- retrieve the next set of results, use the token in the next request.
--
-- 'httpStatus', 'listDatasetGroupsResponse_httpStatus' - The response's http status code.
newListDatasetGroupsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListDatasetGroupsResponse
newListDatasetGroupsResponse pHttpStatus_ =
  ListDatasetGroupsResponse'
    { datasetGroups =
        Prelude.Nothing,
      nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | An array of objects that summarize each dataset group\'s properties.
listDatasetGroupsResponse_datasetGroups :: Lens.Lens' ListDatasetGroupsResponse (Prelude.Maybe [DatasetGroupSummary])
listDatasetGroupsResponse_datasetGroups = Lens.lens (\ListDatasetGroupsResponse' {datasetGroups} -> datasetGroups) (\s@ListDatasetGroupsResponse' {} a -> s {datasetGroups = a} :: ListDatasetGroupsResponse) Prelude.. Lens.mapping Lens.coerced

-- | If the response is truncated, Amazon Forecast returns this token. To
-- retrieve the next set of results, use the token in the next request.
listDatasetGroupsResponse_nextToken :: Lens.Lens' ListDatasetGroupsResponse (Prelude.Maybe Prelude.Text)
listDatasetGroupsResponse_nextToken = Lens.lens (\ListDatasetGroupsResponse' {nextToken} -> nextToken) (\s@ListDatasetGroupsResponse' {} a -> s {nextToken = a} :: ListDatasetGroupsResponse)

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

instance Prelude.NFData ListDatasetGroupsResponse where
  rnf ListDatasetGroupsResponse' {..} =
    Prelude.rnf datasetGroups
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus