{-# 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.SES.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)
--
-- Lists the email templates present in your Amazon SES account in the
-- current AWS Region.
--
-- You can execute this operation no more than once per second.
--
-- This operation returns paginated results.
module Amazonka.SES.ListTemplates
  ( -- * Creating a Request
    ListTemplates (..),
    newListTemplates,

    -- * Request Lenses
    listTemplates_maxItems,
    listTemplates_nextToken,

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

    -- * Response Lenses
    listTemplatesResponse_nextToken,
    listTemplatesResponse_templatesMetadata,
    listTemplatesResponse_httpStatus,
  )
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 qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response
import Amazonka.SES.Types

-- | /See:/ 'newListTemplates' smart constructor.
data ListTemplates = ListTemplates'
  { -- | The maximum number of templates to return. This value must be at least 1
    -- and less than or equal to 10. If you do not specify a value, or if you
    -- specify a value less than 1 or greater than 10, the operation will
    -- return up to 10 results.
    maxItems :: Prelude.Maybe Prelude.Int,
    -- | A token returned from a previous call to @ListTemplates@ to indicate the
    -- position in the list of email templates.
    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:
--
-- 'maxItems', 'listTemplates_maxItems' - The maximum number of templates to return. This value must be at least 1
-- and less than or equal to 10. If you do not specify a value, or if you
-- specify a value less than 1 or greater than 10, the operation will
-- return up to 10 results.
--
-- 'nextToken', 'listTemplates_nextToken' - A token returned from a previous call to @ListTemplates@ to indicate the
-- position in the list of email templates.
newListTemplates ::
  ListTemplates
newListTemplates =
  ListTemplates'
    { maxItems = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | The maximum number of templates to return. This value must be at least 1
-- and less than or equal to 10. If you do not specify a value, or if you
-- specify a value less than 1 or greater than 10, the operation will
-- return up to 10 results.
listTemplates_maxItems :: Lens.Lens' ListTemplates (Prelude.Maybe Prelude.Int)
listTemplates_maxItems = Lens.lens (\ListTemplates' {maxItems} -> maxItems) (\s@ListTemplates' {} a -> s {maxItems = a} :: ListTemplates)

-- | A token returned from a previous call to @ListTemplates@ to indicate the
-- position in the list of email templates.
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_templatesMetadata
            Prelude.. Lens._Just
        ) =
        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.postQuery (overrides defaultService)
  response =
    Response.receiveXMLWrapper
      "ListTemplatesResult"
      ( \s h x ->
          ListTemplatesResponse'
            Prelude.<$> (x Data..@? "NextToken")
            Prelude.<*> ( x
                            Data..@? "TemplatesMetadata"
                            Core..!@ Prelude.mempty
                            Prelude.>>= Core.may (Data.parseXMLList "member")
                        )
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

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

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

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

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

instance Data.ToQuery ListTemplates where
  toQuery ListTemplates' {..} =
    Prelude.mconcat
      [ "Action"
          Data.=: ("ListTemplates" :: Prelude.ByteString),
        "Version"
          Data.=: ("2010-12-01" :: Prelude.ByteString),
        "MaxItems" Data.=: maxItems,
        "NextToken" Data.=: nextToken
      ]

-- | /See:/ 'newListTemplatesResponse' smart constructor.
data ListTemplatesResponse = ListTemplatesResponse'
  { -- | A token indicating that there are additional email templates available
    -- to be listed. Pass this token to a subsequent call to @ListTemplates@ to
    -- retrieve the next 50 email templates.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | An array the contains the name and creation time stamp for each template
    -- in your Amazon SES account.
    templatesMetadata :: Prelude.Maybe [TemplateMetadata],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  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' - A token indicating that there are additional email templates available
-- to be listed. Pass this token to a subsequent call to @ListTemplates@ to
-- retrieve the next 50 email templates.
--
-- 'templatesMetadata', 'listTemplatesResponse_templatesMetadata' - An array the contains the name and creation time stamp for each template
-- in your Amazon SES account.
--
-- 'httpStatus', 'listTemplatesResponse_httpStatus' - The response's http status code.
newListTemplatesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListTemplatesResponse
newListTemplatesResponse pHttpStatus_ =
  ListTemplatesResponse'
    { nextToken = Prelude.Nothing,
      templatesMetadata = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | A token indicating that there are additional email templates available
-- to be listed. Pass this token to a subsequent call to @ListTemplates@ to
-- retrieve the next 50 email templates.
listTemplatesResponse_nextToken :: Lens.Lens' ListTemplatesResponse (Prelude.Maybe Prelude.Text)
listTemplatesResponse_nextToken = Lens.lens (\ListTemplatesResponse' {nextToken} -> nextToken) (\s@ListTemplatesResponse' {} a -> s {nextToken = a} :: ListTemplatesResponse)

-- | An array the contains the name and creation time stamp for each template
-- in your Amazon SES account.
listTemplatesResponse_templatesMetadata :: Lens.Lens' ListTemplatesResponse (Prelude.Maybe [TemplateMetadata])
listTemplatesResponse_templatesMetadata = Lens.lens (\ListTemplatesResponse' {templatesMetadata} -> templatesMetadata) (\s@ListTemplatesResponse' {} a -> s {templatesMetadata = a} :: ListTemplatesResponse) Prelude.. Lens.mapping Lens.coerced

-- | 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)

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