{-# 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.Proton.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)
--
-- List tags for a resource. For more information, see
-- <https://docs.aws.amazon.com/proton/latest/userguide/resources.html Proton resources and tagging>
-- in the /Proton User Guide/.
--
-- This operation returns paginated results.
module Amazonka.Proton.ListTagsForResource
  ( -- * Creating a Request
    ListTagsForResource (..),
    newListTagsForResource,

    -- * Request Lenses
    listTagsForResource_maxResults,
    listTagsForResource_nextToken,
    listTagsForResource_resourceArn,

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

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

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 Amazonka.Proton.Types
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newListTagsForResource' smart constructor.
data ListTagsForResource = ListTagsForResource'
  { -- | The maximum number of tags to list.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | A token that indicates the location of the next resource tag in the
    -- array of resource tags, after the list of resource tags that was
    -- previously requested.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The Amazon Resource Name (ARN) of the resource for the listed tags.
    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 maximum number of tags to list.
--
-- 'nextToken', 'listTagsForResource_nextToken' - A token that indicates the location of the next resource tag in the
-- array of resource tags, after the list of resource tags that was
-- previously requested.
--
-- 'resourceArn', 'listTagsForResource_resourceArn' - The Amazon Resource Name (ARN) of the resource for the listed tags.
newListTagsForResource ::
  -- | 'resourceArn'
  Prelude.Text ->
  ListTagsForResource
newListTagsForResource pResourceArn_ =
  ListTagsForResource'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      resourceArn = pResourceArn_
    }

-- | The maximum number of tags to list.
listTagsForResource_maxResults :: Lens.Lens' ListTagsForResource (Prelude.Maybe Prelude.Natural)
listTagsForResource_maxResults = Lens.lens (\ListTagsForResource' {maxResults} -> maxResults) (\s@ListTagsForResource' {} a -> s {maxResults = a} :: ListTagsForResource)

-- | A token that indicates the location of the next resource tag in the
-- array of resource tags, after the list of resource tags that was
-- previously requested.
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 resource for the listed tags.
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.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.<*> (Prelude.pure (Prelude.fromEnum s))
            Prelude.<*> (x Data..?> "tags" Core..!@ Prelude.mempty)
      )

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.=# ( "AwsProton20200720.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 that indicates the location of the next resource tag in the
    -- array of resource tags, after the current requested list of resource
    -- tags.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int,
    -- | A list of resource tags with detail data.
    tags :: [Tag]
  }
  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 that indicates the location of the next resource tag in the
-- array of resource tags, after the current requested list of resource
-- tags.
--
-- 'httpStatus', 'listTagsForResourceResponse_httpStatus' - The response's http status code.
--
-- 'tags', 'listTagsForResourceResponse_tags' - A list of resource tags with detail data.
newListTagsForResourceResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListTagsForResourceResponse
newListTagsForResourceResponse pHttpStatus_ =
  ListTagsForResourceResponse'
    { nextToken =
        Prelude.Nothing,
      httpStatus = pHttpStatus_,
      tags = Prelude.mempty
    }

-- | A token that indicates the location of the next resource tag in the
-- array of resource tags, after the current requested list of resource
-- tags.
listTagsForResourceResponse_nextToken :: Lens.Lens' ListTagsForResourceResponse (Prelude.Maybe Prelude.Text)
listTagsForResourceResponse_nextToken = Lens.lens (\ListTagsForResourceResponse' {nextToken} -> nextToken) (\s@ListTagsForResourceResponse' {} a -> s {nextToken = a} :: ListTagsForResourceResponse)

-- | 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)

-- | A list of resource tags with detail data.
listTagsForResourceResponse_tags :: Lens.Lens' ListTagsForResourceResponse [Tag]
listTagsForResourceResponse_tags = Lens.lens (\ListTagsForResourceResponse' {tags} -> tags) (\s@ListTagsForResourceResponse' {} a -> s {tags = a} :: ListTagsForResourceResponse) Prelude.. Lens.coerced

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