{-# 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.Lambda.ListTags
-- 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 function\'s
-- <https://docs.aws.amazon.com/lambda/latest/dg/tagging.html tags>. You
-- can also view tags with GetFunction.
module Amazonka.Lambda.ListTags
  ( -- * Creating a Request
    ListTags (..),
    newListTags,

    -- * Request Lenses
    listTags_resource,

    -- * Destructuring the Response
    ListTagsResponse (..),
    newListTagsResponse,

    -- * Response Lenses
    listTagsResponse_tags,
    listTagsResponse_httpStatus,
  )
where

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

-- | /See:/ 'newListTags' smart constructor.
data ListTags = ListTags'
  { -- | The function\'s Amazon Resource Name (ARN). Note: Lambda does not
    -- support adding tags to aliases or versions.
    resource :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListTags' 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:
--
-- 'resource', 'listTags_resource' - The function\'s Amazon Resource Name (ARN). Note: Lambda does not
-- support adding tags to aliases or versions.
newListTags ::
  -- | 'resource'
  Prelude.Text ->
  ListTags
newListTags pResource_ =
  ListTags' {resource = pResource_}

-- | The function\'s Amazon Resource Name (ARN). Note: Lambda does not
-- support adding tags to aliases or versions.
listTags_resource :: Lens.Lens' ListTags Prelude.Text
listTags_resource = Lens.lens (\ListTags' {resource} -> resource) (\s@ListTags' {} a -> s {resource = a} :: ListTags)

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

instance Prelude.Hashable ListTags where
  hashWithSalt _salt ListTags' {..} =
    _salt `Prelude.hashWithSalt` resource

instance Prelude.NFData ListTags where
  rnf ListTags' {..} = Prelude.rnf resource

instance Data.ToHeaders ListTags where
  toHeaders = Prelude.const Prelude.mempty

instance Data.ToPath ListTags where
  toPath ListTags' {..} =
    Prelude.mconcat
      ["/2017-03-31/tags/", Data.toBS resource]

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

-- | /See:/ 'newListTagsResponse' smart constructor.
data ListTagsResponse = ListTagsResponse'
  { -- | The function\'s tags.
    tags :: Prelude.Maybe (Prelude.HashMap Prelude.Text Prelude.Text),
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListTagsResponse' 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:
--
-- 'tags', 'listTagsResponse_tags' - The function\'s tags.
--
-- 'httpStatus', 'listTagsResponse_httpStatus' - The response's http status code.
newListTagsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListTagsResponse
newListTagsResponse pHttpStatus_ =
  ListTagsResponse'
    { tags = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The function\'s tags.
listTagsResponse_tags :: Lens.Lens' ListTagsResponse (Prelude.Maybe (Prelude.HashMap Prelude.Text Prelude.Text))
listTagsResponse_tags = Lens.lens (\ListTagsResponse' {tags} -> tags) (\s@ListTagsResponse' {} a -> s {tags = a} :: ListTagsResponse) Prelude.. Lens.mapping Lens.coerced

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

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