/*
 This file is part of GNU Taler
 (C) 2021 Taler Systems S.A.

 GNU Taler is free software; you can redistribute it and/or modify it under the
 terms of the GNU General Public License as published by the Free Software
 Foundation; either version 3, or (at your option) any later version.

 GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

 You should have received a copy of the GNU General Public License along with
 GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */

/**
*
* @author Sebastian Javier Marchano (sebasjm)
*/

import { Fragment, h, VNode } from 'preact';
import { useState } from 'preact/hooks';
import { Loading } from "../../../../components/exception/loading.js";
import { NotificationCard } from "../../../../components/menu.js";
import { MerchantBackend } from "../../../../declaration.js";
import { HttpError } from "../../../../hooks/backend.js";
import { useProductAPI, useProductDetails } from "../../../../hooks/product.js";
import { useTranslator } from '../../../../i18n';
import { Notification } from "../../../../utils/types.js";
import { UpdatePage } from "./UpdatePage.js";

export type Entity = MerchantBackend.Products.ProductAddDetail
interface Props {
  onBack?: () => void;
  onConfirm: () => void;
  onUnauthorized: () => VNode;
  onNotFound: () => VNode;
  onLoadError: (e: HttpError) => VNode;
  pid: string;
}
export default function UpdateProduct({ pid, onConfirm, onBack, onUnauthorized, onNotFound, onLoadError }: Props): VNode {
  const { updateProduct } = useProductAPI()
  const result = useProductDetails(pid)
  const [notif, setNotif] = useState<Notification | undefined>(undefined)

  const i18n = useTranslator()

  if (result.clientError && result.isUnauthorized) return onUnauthorized()
  if (result.clientError && result.isNotfound) return onNotFound()
  if (result.loading) return <Loading />
  if (!result.ok) return onLoadError(result)

  return <Fragment>
    <NotificationCard notification={notif} />
    <UpdatePage
      product={{ ...result.data, product_id: pid }}
      onBack={onBack}
      onUpdate={(data) => {
        return updateProduct(pid, data)
          .then(onConfirm)
          .catch((error) => {
            setNotif({
              message: i18n`could not create product`,
              type: "ERROR",
              description: error.message
            })
          })
      }} />
  </Fragment>
}