{-# 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.Panorama.ListPackages
-- 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 packages.
module Amazonka.Panorama.ListPackages
  ( -- * Creating a Request
    ListPackages (..),
    newListPackages,

    -- * Request Lenses
    listPackages_maxResults,
    listPackages_nextToken,

    -- * Destructuring the Response
    ListPackagesResponse (..),
    newListPackagesResponse,

    -- * Response Lenses
    listPackagesResponse_nextToken,
    listPackagesResponse_packages,
    listPackagesResponse_httpStatus,
  )
where

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

-- | /See:/ 'newListPackages' smart constructor.
data ListPackages = ListPackages'
  { -- | The maximum number of packages to return in one page of results.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | Specify the pagination token from a previous request to retrieve the
    -- next page of results.
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListPackages' 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', 'listPackages_maxResults' - The maximum number of packages to return in one page of results.
--
-- 'nextToken', 'listPackages_nextToken' - Specify the pagination token from a previous request to retrieve the
-- next page of results.
newListPackages ::
  ListPackages
newListPackages =
  ListPackages'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | The maximum number of packages to return in one page of results.
listPackages_maxResults :: Lens.Lens' ListPackages (Prelude.Maybe Prelude.Natural)
listPackages_maxResults = Lens.lens (\ListPackages' {maxResults} -> maxResults) (\s@ListPackages' {} a -> s {maxResults = a} :: ListPackages)

-- | Specify the pagination token from a previous request to retrieve the
-- next page of results.
listPackages_nextToken :: Lens.Lens' ListPackages (Prelude.Maybe Prelude.Text)
listPackages_nextToken = Lens.lens (\ListPackages' {nextToken} -> nextToken) (\s@ListPackages' {} a -> s {nextToken = a} :: ListPackages)

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

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

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

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

instance Data.ToPath ListPackages where
  toPath = Prelude.const "/packages"

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

-- | /See:/ 'newListPackagesResponse' smart constructor.
data ListPackagesResponse = ListPackagesResponse'
  { -- | A pagination token that\'s included if more results are available.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | A list of packages.
    packages :: Prelude.Maybe [PackageListItem],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListPackagesResponse' 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', 'listPackagesResponse_nextToken' - A pagination token that\'s included if more results are available.
--
-- 'packages', 'listPackagesResponse_packages' - A list of packages.
--
-- 'httpStatus', 'listPackagesResponse_httpStatus' - The response's http status code.
newListPackagesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListPackagesResponse
newListPackagesResponse pHttpStatus_ =
  ListPackagesResponse'
    { nextToken = Prelude.Nothing,
      packages = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | A pagination token that\'s included if more results are available.
listPackagesResponse_nextToken :: Lens.Lens' ListPackagesResponse (Prelude.Maybe Prelude.Text)
listPackagesResponse_nextToken = Lens.lens (\ListPackagesResponse' {nextToken} -> nextToken) (\s@ListPackagesResponse' {} a -> s {nextToken = a} :: ListPackagesResponse)

-- | A list of packages.
listPackagesResponse_packages :: Lens.Lens' ListPackagesResponse (Prelude.Maybe [PackageListItem])
listPackagesResponse_packages = Lens.lens (\ListPackagesResponse' {packages} -> packages) (\s@ListPackagesResponse' {} a -> s {packages = a} :: ListPackagesResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData ListPackagesResponse where
  rnf ListPackagesResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf packages
      `Prelude.seq` Prelude.rnf httpStatus