{-# 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.KeySpaces.ListTagsForResource
-- 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 tags associated with the specified Amazon
-- Keyspaces resource.
--
-- This operation returns paginated results.
module Amazonka.KeySpaces.ListTagsForResource
  ( -- * Creating a Request
    ListTagsForResource (..),
    newListTagsForResource,

    -- * Request Lenses
    listTagsForResource_maxResults,
    listTagsForResource_nextToken,
    listTagsForResource_resourceArn,

    -- * Destructuring the Response
    ListTagsForResourceResponse (..),
    newListTagsForResourceResponse,

    -- * Response Lenses
    listTagsForResourceResponse_nextToken,
    listTagsForResourceResponse_tags,
    listTagsForResourceResponse_httpStatus,
  )
where

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

-- | /See:/ 'newListTagsForResource' smart constructor.
data ListTagsForResource = ListTagsForResource'
  { -- | The total number of tags to return in the output. If the total number of
    -- tags available is more than the value specified, a @NextToken@ is
    -- provided in the output. To resume pagination, provide the @NextToken@
    -- value as an argument of a subsequent API invocation.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The pagination token. To resume pagination, provide the @NextToken@
    -- value as argument of a subsequent API invocation.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The Amazon Resource Name (ARN) of the Amazon Keyspaces resource.
    resourceArn :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListTagsForResource' 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', 'listTagsForResource_maxResults' - The total number of tags to return in the output. If the total number of
-- tags available is more than the value specified, a @NextToken@ is
-- provided in the output. To resume pagination, provide the @NextToken@
-- value as an argument of a subsequent API invocation.
--
-- 'nextToken', 'listTagsForResource_nextToken' - The pagination token. To resume pagination, provide the @NextToken@
-- value as argument of a subsequent API invocation.
--
-- 'resourceArn', 'listTagsForResource_resourceArn' - The Amazon Resource Name (ARN) of the Amazon Keyspaces resource.
newListTagsForResource ::
  -- | 'resourceArn'
  Prelude.Text ->
  ListTagsForResource
newListTagsForResource pResourceArn_ =
  ListTagsForResource'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      resourceArn = pResourceArn_
    }

-- | The total number of tags to return in the output. If the total number of
-- tags available is more than the value specified, a @NextToken@ is
-- provided in the output. To resume pagination, provide the @NextToken@
-- value as an argument of a subsequent API invocation.
listTagsForResource_maxResults :: Lens.Lens' ListTagsForResource (Prelude.Maybe Prelude.Natural)
listTagsForResource_maxResults = Lens.lens (\ListTagsForResource' {maxResults} -> maxResults) (\s@ListTagsForResource' {} a -> s {maxResults = a} :: ListTagsForResource)

-- | The pagination token. To resume pagination, provide the @NextToken@
-- value as argument of a subsequent API invocation.
listTagsForResource_nextToken :: Lens.Lens' ListTagsForResource (Prelude.Maybe Prelude.Text)
listTagsForResource_nextToken = Lens.lens (\ListTagsForResource' {nextToken} -> nextToken) (\s@ListTagsForResource' {} a -> s {nextToken = a} :: ListTagsForResource)

-- | The Amazon Resource Name (ARN) of the Amazon Keyspaces resource.
listTagsForResource_resourceArn :: Lens.Lens' ListTagsForResource Prelude.Text
listTagsForResource_resourceArn = Lens.lens (\ListTagsForResource' {resourceArn} -> resourceArn) (\s@ListTagsForResource' {} a -> s {resourceArn = a} :: ListTagsForResource)

instance Core.AWSPager ListTagsForResource where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listTagsForResourceResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listTagsForResourceResponse_tags
            Prelude.. Lens._Just
            Prelude.. Lens.to Prelude.toList
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listTagsForResource_nextToken
          Lens..~ rs
          Lens.^? listTagsForResourceResponse_nextToken
          Prelude.. Lens._Just

instance Core.AWSRequest ListTagsForResource where
  type
    AWSResponse ListTagsForResource =
      ListTagsForResourceResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          ListTagsForResourceResponse'
            Prelude.<$> (x Data..?> "nextToken")
            Prelude.<*> (x Data..?> "tags")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

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

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

instance Data.ToHeaders ListTagsForResource where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "KeyspacesService.ListTagsForResource" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.0" ::
                          Prelude.ByteString
                      )
          ]
      )

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

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

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

-- | /See:/ 'newListTagsForResourceResponse' smart constructor.
data ListTagsForResourceResponse = ListTagsForResourceResponse'
  { -- | A token to specify where to start paginating. This is the @NextToken@
    -- from a previously truncated response.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | A list of tags.
    tags :: Prelude.Maybe (Prelude.NonEmpty Tag),
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListTagsForResourceResponse' 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', 'listTagsForResourceResponse_nextToken' - A token to specify where to start paginating. This is the @NextToken@
-- from a previously truncated response.
--
-- 'tags', 'listTagsForResourceResponse_tags' - A list of tags.
--
-- 'httpStatus', 'listTagsForResourceResponse_httpStatus' - The response's http status code.
newListTagsForResourceResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListTagsForResourceResponse
newListTagsForResourceResponse pHttpStatus_ =
  ListTagsForResourceResponse'
    { nextToken =
        Prelude.Nothing,
      tags = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | A token to specify where to start paginating. This is the @NextToken@
-- from a previously truncated response.
listTagsForResourceResponse_nextToken :: Lens.Lens' ListTagsForResourceResponse (Prelude.Maybe Prelude.Text)
listTagsForResourceResponse_nextToken = Lens.lens (\ListTagsForResourceResponse' {nextToken} -> nextToken) (\s@ListTagsForResourceResponse' {} a -> s {nextToken = a} :: ListTagsForResourceResponse)

-- | A list of tags.
listTagsForResourceResponse_tags :: Lens.Lens' ListTagsForResourceResponse (Prelude.Maybe (Prelude.NonEmpty Tag))
listTagsForResourceResponse_tags = Lens.lens (\ListTagsForResourceResponse' {tags} -> tags) (\s@ListTagsForResourceResponse' {} a -> s {tags = a} :: ListTagsForResourceResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData ListTagsForResourceResponse where
  rnf ListTagsForResourceResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf tags
      `Prelude.seq` Prelude.rnf httpStatus