{-# 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.CloudTrail.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)
--
-- Lists the tags for the trail or event data store in the current region.
--
-- This operation returns paginated results.
module Amazonka.CloudTrail.ListTags
  ( -- * Creating a Request
    ListTags (..),
    newListTags,

    -- * Request Lenses
    listTags_nextToken,
    listTags_resourceIdList,

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

    -- * Response Lenses
    listTagsResponse_nextToken,
    listTagsResponse_resourceTagList,
    listTagsResponse_httpStatus,
  )
where

import Amazonka.CloudTrail.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

-- | Specifies a list of tags to return.
--
-- /See:/ 'newListTags' smart constructor.
data ListTags = ListTags'
  { -- | Reserved for future use.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | Specifies a list of trail and event data store ARNs whose tags will be
    -- listed. The list has a limit of 20 ARNs.
    resourceIdList :: [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:
--
-- 'nextToken', 'listTags_nextToken' - Reserved for future use.
--
-- 'resourceIdList', 'listTags_resourceIdList' - Specifies a list of trail and event data store ARNs whose tags will be
-- listed. The list has a limit of 20 ARNs.
newListTags ::
  ListTags
newListTags =
  ListTags'
    { nextToken = Prelude.Nothing,
      resourceIdList = Prelude.mempty
    }

-- | Reserved for future use.
listTags_nextToken :: Lens.Lens' ListTags (Prelude.Maybe Prelude.Text)
listTags_nextToken = Lens.lens (\ListTags' {nextToken} -> nextToken) (\s@ListTags' {} a -> s {nextToken = a} :: ListTags)

-- | Specifies a list of trail and event data store ARNs whose tags will be
-- listed. The list has a limit of 20 ARNs.
listTags_resourceIdList :: Lens.Lens' ListTags [Prelude.Text]
listTags_resourceIdList = Lens.lens (\ListTags' {resourceIdList} -> resourceIdList) (\s@ListTags' {} a -> s {resourceIdList = a} :: ListTags) Prelude.. Lens.coerced

instance Core.AWSPager ListTags where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listTagsResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listTagsResponse_resourceTagList
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listTags_nextToken
          Lens..~ rs
          Lens.^? listTagsResponse_nextToken
          Prelude.. Lens._Just

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

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

instance Prelude.NFData ListTags where
  rnf ListTags' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf resourceIdList

instance Data.ToHeaders ListTags where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "com.amazonaws.cloudtrail.v20131101.CloudTrail_20131101.ListTags" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON ListTags where
  toJSON ListTags' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("NextToken" Data..=) Prelude.<$> nextToken,
            Prelude.Just
              ("ResourceIdList" Data..= resourceIdList)
          ]
      )

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

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

-- | Returns the objects or data listed below if successful. Otherwise,
-- returns an error.
--
-- /See:/ 'newListTagsResponse' smart constructor.
data ListTagsResponse = ListTagsResponse'
  { -- | Reserved for future use.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | A list of resource tags.
    resourceTagList :: Prelude.Maybe [ResourceTag],
    -- | 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:
--
-- 'nextToken', 'listTagsResponse_nextToken' - Reserved for future use.
--
-- 'resourceTagList', 'listTagsResponse_resourceTagList' - A list of resource tags.
--
-- 'httpStatus', 'listTagsResponse_httpStatus' - The response's http status code.
newListTagsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListTagsResponse
newListTagsResponse pHttpStatus_ =
  ListTagsResponse'
    { nextToken = Prelude.Nothing,
      resourceTagList = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | Reserved for future use.
listTagsResponse_nextToken :: Lens.Lens' ListTagsResponse (Prelude.Maybe Prelude.Text)
listTagsResponse_nextToken = Lens.lens (\ListTagsResponse' {nextToken} -> nextToken) (\s@ListTagsResponse' {} a -> s {nextToken = a} :: ListTagsResponse)

-- | A list of resource tags.
listTagsResponse_resourceTagList :: Lens.Lens' ListTagsResponse (Prelude.Maybe [ResourceTag])
listTagsResponse_resourceTagList = Lens.lens (\ListTagsResponse' {resourceTagList} -> resourceTagList) (\s@ListTagsResponse' {} a -> s {resourceTagList = 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 nextToken
      `Prelude.seq` Prelude.rnf resourceTagList
      `Prelude.seq` Prelude.rnf httpStatus