{-# 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.ApiGatewayV2.GetAuthorizers
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Gets the Authorizers for an API.
--
-- This operation returns paginated results.
module Amazonka.ApiGatewayV2.GetAuthorizers
  ( -- * Creating a Request
    GetAuthorizers (..),
    newGetAuthorizers,

    -- * Request Lenses
    getAuthorizers_maxResults,
    getAuthorizers_nextToken,
    getAuthorizers_apiId,

    -- * Destructuring the Response
    GetAuthorizersResponse (..),
    newGetAuthorizersResponse,

    -- * Response Lenses
    getAuthorizersResponse_items,
    getAuthorizersResponse_nextToken,
    getAuthorizersResponse_httpStatus,
  )
where

import Amazonka.ApiGatewayV2.Types
import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newGetAuthorizers' smart constructor.
data GetAuthorizers = GetAuthorizers'
  { -- | The maximum number of elements to be returned for this resource.
    maxResults :: Prelude.Maybe Prelude.Text,
    -- | The next page of elements from this collection. Not valid for the last
    -- element of the collection.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The API identifier.
    apiId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetAuthorizers' 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', 'getAuthorizers_maxResults' - The maximum number of elements to be returned for this resource.
--
-- 'nextToken', 'getAuthorizers_nextToken' - The next page of elements from this collection. Not valid for the last
-- element of the collection.
--
-- 'apiId', 'getAuthorizers_apiId' - The API identifier.
newGetAuthorizers ::
  -- | 'apiId'
  Prelude.Text ->
  GetAuthorizers
newGetAuthorizers pApiId_ =
  GetAuthorizers'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      apiId = pApiId_
    }

-- | The maximum number of elements to be returned for this resource.
getAuthorizers_maxResults :: Lens.Lens' GetAuthorizers (Prelude.Maybe Prelude.Text)
getAuthorizers_maxResults = Lens.lens (\GetAuthorizers' {maxResults} -> maxResults) (\s@GetAuthorizers' {} a -> s {maxResults = a} :: GetAuthorizers)

-- | The next page of elements from this collection. Not valid for the last
-- element of the collection.
getAuthorizers_nextToken :: Lens.Lens' GetAuthorizers (Prelude.Maybe Prelude.Text)
getAuthorizers_nextToken = Lens.lens (\GetAuthorizers' {nextToken} -> nextToken) (\s@GetAuthorizers' {} a -> s {nextToken = a} :: GetAuthorizers)

-- | The API identifier.
getAuthorizers_apiId :: Lens.Lens' GetAuthorizers Prelude.Text
getAuthorizers_apiId = Lens.lens (\GetAuthorizers' {apiId} -> apiId) (\s@GetAuthorizers' {} a -> s {apiId = a} :: GetAuthorizers)

instance Core.AWSPager GetAuthorizers where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? getAuthorizersResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? getAuthorizersResponse_items
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& getAuthorizers_nextToken
          Lens..~ rs
          Lens.^? getAuthorizersResponse_nextToken
          Prelude.. Lens._Just

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

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

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

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

instance Data.ToPath GetAuthorizers where
  toPath GetAuthorizers' {..} =
    Prelude.mconcat
      ["/v2/apis/", Data.toBS apiId, "/authorizers"]

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

-- | /See:/ 'newGetAuthorizersResponse' smart constructor.
data GetAuthorizersResponse = GetAuthorizersResponse'
  { -- | The elements from this collection.
    items :: Prelude.Maybe [Authorizer],
    -- | The next page of elements from this collection. Not valid for the last
    -- element of the collection.
    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 'GetAuthorizersResponse' 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:
--
-- 'items', 'getAuthorizersResponse_items' - The elements from this collection.
--
-- 'nextToken', 'getAuthorizersResponse_nextToken' - The next page of elements from this collection. Not valid for the last
-- element of the collection.
--
-- 'httpStatus', 'getAuthorizersResponse_httpStatus' - The response's http status code.
newGetAuthorizersResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetAuthorizersResponse
newGetAuthorizersResponse pHttpStatus_ =
  GetAuthorizersResponse'
    { items = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The elements from this collection.
getAuthorizersResponse_items :: Lens.Lens' GetAuthorizersResponse (Prelude.Maybe [Authorizer])
getAuthorizersResponse_items = Lens.lens (\GetAuthorizersResponse' {items} -> items) (\s@GetAuthorizersResponse' {} a -> s {items = a} :: GetAuthorizersResponse) Prelude.. Lens.mapping Lens.coerced

-- | The next page of elements from this collection. Not valid for the last
-- element of the collection.
getAuthorizersResponse_nextToken :: Lens.Lens' GetAuthorizersResponse (Prelude.Maybe Prelude.Text)
getAuthorizersResponse_nextToken = Lens.lens (\GetAuthorizersResponse' {nextToken} -> nextToken) (\s@GetAuthorizersResponse' {} a -> s {nextToken = a} :: GetAuthorizersResponse)

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

instance Prelude.NFData GetAuthorizersResponse where
  rnf GetAuthorizersResponse' {..} =
    Prelude.rnf items
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus