{-# 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.APIGateway.GetTags
-- 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 Tags collection for a given resource.
module Amazonka.APIGateway.GetTags
  ( -- * Creating a Request
    GetTags (..),
    newGetTags,

    -- * Request Lenses
    getTags_limit,
    getTags_position,
    getTags_resourceArn,

    -- * Destructuring the Response
    GetTagsResponse (..),
    newGetTagsResponse,

    -- * Response Lenses
    getTagsResponse_tags,
    getTagsResponse_httpStatus,
  )
where

import Amazonka.APIGateway.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

-- | Gets the Tags collection for a given resource.
--
-- /See:/ 'newGetTags' smart constructor.
data GetTags = GetTags'
  { -- | (Not currently supported) The maximum number of returned results per
    -- page. The default value is 25 and the maximum value is 500.
    limit :: Prelude.Maybe Prelude.Int,
    -- | (Not currently supported) The current pagination position in the paged
    -- result set.
    position :: Prelude.Maybe Prelude.Text,
    -- | The ARN of a resource that can be tagged.
    resourceArn :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetTags' 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:
--
-- 'limit', 'getTags_limit' - (Not currently supported) The maximum number of returned results per
-- page. The default value is 25 and the maximum value is 500.
--
-- 'position', 'getTags_position' - (Not currently supported) The current pagination position in the paged
-- result set.
--
-- 'resourceArn', 'getTags_resourceArn' - The ARN of a resource that can be tagged.
newGetTags ::
  -- | 'resourceArn'
  Prelude.Text ->
  GetTags
newGetTags pResourceArn_ =
  GetTags'
    { limit = Prelude.Nothing,
      position = Prelude.Nothing,
      resourceArn = pResourceArn_
    }

-- | (Not currently supported) The maximum number of returned results per
-- page. The default value is 25 and the maximum value is 500.
getTags_limit :: Lens.Lens' GetTags (Prelude.Maybe Prelude.Int)
getTags_limit = Lens.lens (\GetTags' {limit} -> limit) (\s@GetTags' {} a -> s {limit = a} :: GetTags)

-- | (Not currently supported) The current pagination position in the paged
-- result set.
getTags_position :: Lens.Lens' GetTags (Prelude.Maybe Prelude.Text)
getTags_position = Lens.lens (\GetTags' {position} -> position) (\s@GetTags' {} a -> s {position = a} :: GetTags)

-- | The ARN of a resource that can be tagged.
getTags_resourceArn :: Lens.Lens' GetTags Prelude.Text
getTags_resourceArn = Lens.lens (\GetTags' {resourceArn} -> resourceArn) (\s@GetTags' {} a -> s {resourceArn = a} :: GetTags)

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

instance Prelude.Hashable GetTags where
  hashWithSalt _salt GetTags' {..} =
    _salt
      `Prelude.hashWithSalt` limit
      `Prelude.hashWithSalt` position
      `Prelude.hashWithSalt` resourceArn

instance Prelude.NFData GetTags where
  rnf GetTags' {..} =
    Prelude.rnf limit
      `Prelude.seq` Prelude.rnf position
      `Prelude.seq` Prelude.rnf resourceArn

instance Data.ToHeaders GetTags where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "Accept"
              Data.=# ("application/json" :: Prelude.ByteString)
          ]
      )

instance Data.ToPath GetTags where
  toPath GetTags' {..} =
    Prelude.mconcat ["/tags/", Data.toBS resourceArn]

instance Data.ToQuery GetTags where
  toQuery GetTags' {..} =
    Prelude.mconcat
      ["limit" Data.=: limit, "position" Data.=: position]

-- | The collection of tags. Each tag element is associated with a given
-- resource.
--
-- /See:/ 'newGetTagsResponse' smart constructor.
data GetTagsResponse = GetTagsResponse'
  { -- | The collection of tags. Each tag element is associated with a given
    -- resource.
    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 'GetTagsResponse' 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', 'getTagsResponse_tags' - The collection of tags. Each tag element is associated with a given
-- resource.
--
-- 'httpStatus', 'getTagsResponse_httpStatus' - The response's http status code.
newGetTagsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetTagsResponse
newGetTagsResponse pHttpStatus_ =
  GetTagsResponse'
    { tags = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The collection of tags. Each tag element is associated with a given
-- resource.
getTagsResponse_tags :: Lens.Lens' GetTagsResponse (Prelude.Maybe (Prelude.HashMap Prelude.Text Prelude.Text))
getTagsResponse_tags = Lens.lens (\GetTagsResponse' {tags} -> tags) (\s@GetTagsResponse' {} a -> s {tags = a} :: GetTagsResponse) Prelude.. Lens.mapping Lens.coerced

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

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