{-# 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.ListServiceTemplates
-- 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 service templates with detail data.
--
-- This operation returns paginated results.
module Amazonka.Proton.ListServiceTemplates
  ( -- * Creating a Request
    ListServiceTemplates (..),
    newListServiceTemplates,

    -- * Request Lenses
    listServiceTemplates_maxResults,
    listServiceTemplates_nextToken,

    -- * Destructuring the Response
    ListServiceTemplatesResponse (..),
    newListServiceTemplatesResponse,

    -- * Response Lenses
    listServiceTemplatesResponse_nextToken,
    listServiceTemplatesResponse_httpStatus,
    listServiceTemplatesResponse_templates,
  )
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:/ 'newListServiceTemplates' smart constructor.
data ListServiceTemplates = ListServiceTemplates'
  { -- | The maximum number of service templates to list.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | A token that indicates the location of the next service template in the
    -- array of service templates, after the list of service templates
    -- previously requested.
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListServiceTemplates' 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', 'listServiceTemplates_maxResults' - The maximum number of service templates to list.
--
-- 'nextToken', 'listServiceTemplates_nextToken' - A token that indicates the location of the next service template in the
-- array of service templates, after the list of service templates
-- previously requested.
newListServiceTemplates ::
  ListServiceTemplates
newListServiceTemplates =
  ListServiceTemplates'
    { maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | The maximum number of service templates to list.
listServiceTemplates_maxResults :: Lens.Lens' ListServiceTemplates (Prelude.Maybe Prelude.Natural)
listServiceTemplates_maxResults = Lens.lens (\ListServiceTemplates' {maxResults} -> maxResults) (\s@ListServiceTemplates' {} a -> s {maxResults = a} :: ListServiceTemplates)

-- | A token that indicates the location of the next service template in the
-- array of service templates, after the list of service templates
-- previously requested.
listServiceTemplates_nextToken :: Lens.Lens' ListServiceTemplates (Prelude.Maybe Prelude.Text)
listServiceTemplates_nextToken = Lens.lens (\ListServiceTemplates' {nextToken} -> nextToken) (\s@ListServiceTemplates' {} a -> s {nextToken = a} :: ListServiceTemplates)

instance Core.AWSPager ListServiceTemplates where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listServiceTemplatesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        (rs Lens.^. listServiceTemplatesResponse_templates) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listServiceTemplates_nextToken
          Lens..~ rs
          Lens.^? listServiceTemplatesResponse_nextToken
          Prelude.. Lens._Just

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

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

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

instance Data.ToHeaders ListServiceTemplates where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "AwsProton20200720.ListServiceTemplates" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.0" ::
                          Prelude.ByteString
                      )
          ]
      )

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

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

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

-- | /See:/ 'newListServiceTemplatesResponse' smart constructor.
data ListServiceTemplatesResponse = ListServiceTemplatesResponse'
  { -- | A token that indicates the location of the next service template in the
    -- array of service templates, after the current requested list of service
    -- templates.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int,
    -- | An array of service templates with detail data.
    templates :: [ServiceTemplateSummary]
  }
  deriving (Prelude.Eq, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListServiceTemplatesResponse' 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', 'listServiceTemplatesResponse_nextToken' - A token that indicates the location of the next service template in the
-- array of service templates, after the current requested list of service
-- templates.
--
-- 'httpStatus', 'listServiceTemplatesResponse_httpStatus' - The response's http status code.
--
-- 'templates', 'listServiceTemplatesResponse_templates' - An array of service templates with detail data.
newListServiceTemplatesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListServiceTemplatesResponse
newListServiceTemplatesResponse pHttpStatus_ =
  ListServiceTemplatesResponse'
    { nextToken =
        Prelude.Nothing,
      httpStatus = pHttpStatus_,
      templates = Prelude.mempty
    }

-- | A token that indicates the location of the next service template in the
-- array of service templates, after the current requested list of service
-- templates.
listServiceTemplatesResponse_nextToken :: Lens.Lens' ListServiceTemplatesResponse (Prelude.Maybe Prelude.Text)
listServiceTemplatesResponse_nextToken = Lens.lens (\ListServiceTemplatesResponse' {nextToken} -> nextToken) (\s@ListServiceTemplatesResponse' {} a -> s {nextToken = a} :: ListServiceTemplatesResponse)

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

-- | An array of service templates with detail data.
listServiceTemplatesResponse_templates :: Lens.Lens' ListServiceTemplatesResponse [ServiceTemplateSummary]
listServiceTemplatesResponse_templates = Lens.lens (\ListServiceTemplatesResponse' {templates} -> templates) (\s@ListServiceTemplatesResponse' {} a -> s {templates = a} :: ListServiceTemplatesResponse) Prelude.. Lens.coerced

instance Prelude.NFData ListServiceTemplatesResponse where
  rnf ListServiceTemplatesResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus
      `Prelude.seq` Prelude.rnf templates