{-# 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.ListProjects
-- 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 all of the DataBrew projects that are defined.
--
-- This operation returns paginated results.
module Amazonka.DataBrew.ListProjects
  ( -- * Creating a Request
    ListProjects (..),
    newListProjects,

    -- * Request Lenses
    listProjects_maxResults,
    listProjects_nextToken,

    -- * Destructuring the Response
    ListProjectsResponse (..),
    newListProjectsResponse,

    -- * Response Lenses
    listProjectsResponse_nextToken,
    listProjectsResponse_httpStatus,
    listProjectsResponse_projects,
  )
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:/ 'newListProjects' smart constructor.
data ListProjects = ListProjects'
  { -- | 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 'ListProjects' 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', 'listProjects_maxResults' - The maximum number of results to return in this request.
--
-- 'nextToken', 'listProjects_nextToken' - The token returned by a previous call to retrieve the next set of
-- results.
newListProjects ::
  ListProjects
newListProjects =
  ListProjects'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

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

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

instance Core.AWSPager ListProjects where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listProjectsResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        (rs Lens.^. listProjectsResponse_projects) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listProjects_nextToken
          Lens..~ rs
          Lens.^? listProjectsResponse_nextToken
          Prelude.. Lens._Just

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

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

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

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

instance Data.ToPath ListProjects where
  toPath = Prelude.const "/projects"

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

-- | /See:/ 'newListProjectsResponse' smart constructor.
data ListProjectsResponse = ListProjectsResponse'
  { -- | 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 projects that are defined .
    projects :: [Project]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListProjectsResponse' 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', 'listProjectsResponse_nextToken' - A token that you can use in a subsequent call to retrieve the next set
-- of results.
--
-- 'httpStatus', 'listProjectsResponse_httpStatus' - The response's http status code.
--
-- 'projects', 'listProjectsResponse_projects' - A list of projects that are defined .
newListProjectsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListProjectsResponse
newListProjectsResponse pHttpStatus_ =
  ListProjectsResponse'
    { nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_,
      projects = Prelude.mempty
    }

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

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

-- | A list of projects that are defined .
listProjectsResponse_projects :: Lens.Lens' ListProjectsResponse [Project]
listProjectsResponse_projects = Lens.lens (\ListProjectsResponse' {projects} -> projects) (\s@ListProjectsResponse' {} a -> s {projects = a} :: ListProjectsResponse) Prelude.. Lens.coerced

instance Prelude.NFData ListProjectsResponse where
  rnf ListProjectsResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus
      `Prelude.seq` Prelude.rnf projects