{-# 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.EMR.ListStudios
-- 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 all Amazon EMR Studios associated with the Amazon Web
-- Services account. The list includes details such as ID, Studio Access
-- URL, and creation time for each Studio.
--
-- This operation returns paginated results.
module Amazonka.EMR.ListStudios
  ( -- * Creating a Request
    ListStudios (..),
    newListStudios,

    -- * Request Lenses
    listStudios_marker,

    -- * Destructuring the Response
    ListStudiosResponse (..),
    newListStudiosResponse,

    -- * Response Lenses
    listStudiosResponse_marker,
    listStudiosResponse_studios,
    listStudiosResponse_httpStatus,
  )
where

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

-- | /See:/ 'newListStudios' smart constructor.
data ListStudios = ListStudios'
  { -- | The pagination token that indicates the set of results to retrieve.
    marker :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListStudios' 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:
--
-- 'marker', 'listStudios_marker' - The pagination token that indicates the set of results to retrieve.
newListStudios ::
  ListStudios
newListStudios =
  ListStudios' {marker = Prelude.Nothing}

-- | The pagination token that indicates the set of results to retrieve.
listStudios_marker :: Lens.Lens' ListStudios (Prelude.Maybe Prelude.Text)
listStudios_marker = Lens.lens (\ListStudios' {marker} -> marker) (\s@ListStudios' {} a -> s {marker = a} :: ListStudios)

instance Core.AWSPager ListStudios where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listStudiosResponse_marker
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listStudiosResponse_studios
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listStudios_marker
          Lens..~ rs
          Lens.^? listStudiosResponse_marker
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListStudios where
  hashWithSalt _salt ListStudios' {..} =
    _salt `Prelude.hashWithSalt` marker

instance Prelude.NFData ListStudios where
  rnf ListStudios' {..} = Prelude.rnf marker

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

instance Data.ToJSON ListStudios where
  toJSON ListStudios' {..} =
    Data.object
      ( Prelude.catMaybes
          [("Marker" Data..=) Prelude.<$> marker]
      )

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

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

-- | /See:/ 'newListStudiosResponse' smart constructor.
data ListStudiosResponse = ListStudiosResponse'
  { -- | The pagination token that indicates the next set of results to retrieve.
    marker :: Prelude.Maybe Prelude.Text,
    -- | The list of Studio summary objects.
    studios :: Prelude.Maybe [StudioSummary],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListStudiosResponse' 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:
--
-- 'marker', 'listStudiosResponse_marker' - The pagination token that indicates the next set of results to retrieve.
--
-- 'studios', 'listStudiosResponse_studios' - The list of Studio summary objects.
--
-- 'httpStatus', 'listStudiosResponse_httpStatus' - The response's http status code.
newListStudiosResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListStudiosResponse
newListStudiosResponse pHttpStatus_ =
  ListStudiosResponse'
    { marker = Prelude.Nothing,
      studios = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The pagination token that indicates the next set of results to retrieve.
listStudiosResponse_marker :: Lens.Lens' ListStudiosResponse (Prelude.Maybe Prelude.Text)
listStudiosResponse_marker = Lens.lens (\ListStudiosResponse' {marker} -> marker) (\s@ListStudiosResponse' {} a -> s {marker = a} :: ListStudiosResponse)

-- | The list of Studio summary objects.
listStudiosResponse_studios :: Lens.Lens' ListStudiosResponse (Prelude.Maybe [StudioSummary])
listStudiosResponse_studios = Lens.lens (\ListStudiosResponse' {studios} -> studios) (\s@ListStudiosResponse' {} a -> s {studios = a} :: ListStudiosResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData ListStudiosResponse where
  rnf ListStudiosResponse' {..} =
    Prelude.rnf marker
      `Prelude.seq` Prelude.rnf studios
      `Prelude.seq` Prelude.rnf httpStatus