{-# 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.MigrationHubOrchestrator.ListTemplates
-- 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 the templates available in Migration Hub Orchestrator to create a
-- migration workflow.
--
-- This operation returns paginated results.
module Amazonka.MigrationHubOrchestrator.ListTemplates
  ( -- * Creating a Request
    ListTemplates (..),
    newListTemplates,

    -- * Request Lenses
    listTemplates_maxResults,
    listTemplates_name,
    listTemplates_nextToken,

    -- * Destructuring the Response
    ListTemplatesResponse (..),
    newListTemplatesResponse,

    -- * Response Lenses
    listTemplatesResponse_nextToken,
    listTemplatesResponse_httpStatus,
    listTemplatesResponse_templateSummary,
  )
where

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

-- | /See:/ 'newListTemplates' smart constructor.
data ListTemplates = ListTemplates'
  { -- | The maximum number of results that can be returned.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The name of the template.
    name :: Prelude.Maybe Prelude.Text,
    -- | The pagination token.
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListTemplates' 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', 'listTemplates_maxResults' - The maximum number of results that can be returned.
--
-- 'name', 'listTemplates_name' - The name of the template.
--
-- 'nextToken', 'listTemplates_nextToken' - The pagination token.
newListTemplates ::
  ListTemplates
newListTemplates =
  ListTemplates'
    { maxResults = Prelude.Nothing,
      name = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | The maximum number of results that can be returned.
listTemplates_maxResults :: Lens.Lens' ListTemplates (Prelude.Maybe Prelude.Natural)
listTemplates_maxResults = Lens.lens (\ListTemplates' {maxResults} -> maxResults) (\s@ListTemplates' {} a -> s {maxResults = a} :: ListTemplates)

-- | The name of the template.
listTemplates_name :: Lens.Lens' ListTemplates (Prelude.Maybe Prelude.Text)
listTemplates_name = Lens.lens (\ListTemplates' {name} -> name) (\s@ListTemplates' {} a -> s {name = a} :: ListTemplates)

-- | The pagination token.
listTemplates_nextToken :: Lens.Lens' ListTemplates (Prelude.Maybe Prelude.Text)
listTemplates_nextToken = Lens.lens (\ListTemplates' {nextToken} -> nextToken) (\s@ListTemplates' {} a -> s {nextToken = a} :: ListTemplates)

instance Core.AWSPager ListTemplates where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listTemplatesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        (rs Lens.^. listTemplatesResponse_templateSummary) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listTemplates_nextToken
          Lens..~ rs
          Lens.^? listTemplatesResponse_nextToken
          Prelude.. Lens._Just

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

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

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

instance Data.ToHeaders ListTemplates where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToPath ListTemplates where
  toPath = Prelude.const "/migrationworkflowtemplates"

instance Data.ToQuery ListTemplates where
  toQuery ListTemplates' {..} =
    Prelude.mconcat
      [ "maxResults" Data.=: maxResults,
        "name" Data.=: name,
        "nextToken" Data.=: nextToken
      ]

-- | /See:/ 'newListTemplatesResponse' smart constructor.
data ListTemplatesResponse = ListTemplatesResponse'
  { -- | The pagination token.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int,
    -- | The summary of the template.
    templateSummary :: [TemplateSummary]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListTemplatesResponse' 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', 'listTemplatesResponse_nextToken' - The pagination token.
--
-- 'httpStatus', 'listTemplatesResponse_httpStatus' - The response's http status code.
--
-- 'templateSummary', 'listTemplatesResponse_templateSummary' - The summary of the template.
newListTemplatesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListTemplatesResponse
newListTemplatesResponse pHttpStatus_ =
  ListTemplatesResponse'
    { nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_,
      templateSummary = Prelude.mempty
    }

-- | The pagination token.
listTemplatesResponse_nextToken :: Lens.Lens' ListTemplatesResponse (Prelude.Maybe Prelude.Text)
listTemplatesResponse_nextToken = Lens.lens (\ListTemplatesResponse' {nextToken} -> nextToken) (\s@ListTemplatesResponse' {} a -> s {nextToken = a} :: ListTemplatesResponse)

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

-- | The summary of the template.
listTemplatesResponse_templateSummary :: Lens.Lens' ListTemplatesResponse [TemplateSummary]
listTemplatesResponse_templateSummary = Lens.lens (\ListTemplatesResponse' {templateSummary} -> templateSummary) (\s@ListTemplatesResponse' {} a -> s {templateSummary = a} :: ListTemplatesResponse) Prelude.. Lens.coerced

instance Prelude.NFData ListTemplatesResponse where
  rnf ListTemplatesResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus
      `Prelude.seq` Prelude.rnf templateSummary