/*
 This file is part of GNU Taler
 (C) 2021-2024 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 { HttpStatusCode, TalerError, TalerMerchantApi, assertUnreachable } from "@gnu-taler/taler-util";
import {
  useTranslationContext
} from "@gnu-taler/web-util/browser";
import { Fragment, VNode, h } from "preact";
import { useState } from "preact/hooks";
import { ErrorLoadingMerchant } from "../../../../components/ErrorLoadingMerchant.js";
import { Loading } from "../../../../components/exception/loading.js";
import { NotificationCard } from "../../../../components/menu/index.js";
import { useSessionContext } from "../../../../context/session.js";
import { useBankAccountDetails } from "../../../../hooks/bank.js";
import { Notification } from "../../../../utils/types.js";
import { LoginPage } from "../../../login/index.js";
import { NotFoundPageOrAdminCreate } from "../../../notfound/index.js";
import { testRevenueAPI } from "../create/index.js";
import { UpdatePage } from "./UpdatePage.js";

export type Entity = TalerMerchantApi.AccountPatchDetails & WithId;

interface Props {
  onBack?: () => void;
  onConfirm: () => void;
  bid: string;
}
export default function UpdateValidator({
  bid,
  onConfirm,
  onBack,
}: Props): VNode {
  const { lib: api } = useSessionContext();
  const { state } = useSessionContext();
  const result = useBankAccountDetails(bid);
  const [notif, setNotif] = useState<Notification | undefined>(undefined);

  const { i18n } = useTranslationContext();

  if (!result) return <Loading />;
  if (result instanceof TalerError) {
    return <ErrorLoadingMerchant error={result} />;
  }
  if (result.type === "fail") {
    switch (result.case) {
      case HttpStatusCode.NotFound: {
        return <NotFoundPageOrAdminCreate />;
      }
      case HttpStatusCode.Unauthorized: {
        return <LoginPage />
      }
      default: {
        assertUnreachable(result);
      }
    }
  }

  return (
    <Fragment>
      <NotificationCard notification={notif} />
      <UpdatePage
        account={{ ...result.body, id: bid }}
        onBack={onBack}
        onUpdate={async (request) => {
          const revenueAPI = !request.credit_facade_url
            ? undefined
            : new URL("./", request.credit_facade_url);

          if (revenueAPI) {
            const resp = await testRevenueAPI(
              revenueAPI,
              request.credit_facade_credentials,
            );
            if (resp instanceof TalerError) {
              setNotif({
                message: i18n.str`Could not create account`,
                type: "ERROR",
                description: i18n.str`The request to check the revenue API failed.`,
                details: resp.errorDetail
              });
              return;
            }
            if (resp.type === "fail") {
              switch (resp.case) {
                case HttpStatusCode.BadRequest: {
                  setNotif({
                    message: i18n.str`Could not create account`,
                    type: "ERROR",
                    description: i18n.str`Server replied with "bad request".`,
                  });
                  return;

                }
                case HttpStatusCode.Unauthorized: {
                  setNotif({
                    message: i18n.str`Could not create account`,
                    type: "ERROR",
                    description: i18n.str`Unauthorized, try with another credentials.`,
                  });
                  return;

                }
                case HttpStatusCode.NotFound: {
                  setNotif({
                    message: i18n.str`Could not create account`,
                    type: "ERROR",
                    description: i18n.str`The endpoint doesn't seems to be a Taler Revenue API`,
                  });
                  return;
                }
                default: {
                  assertUnreachable(resp);
                }
              }
            }
          }
          return api.instance.updateBankAccount(state.token, bid, request)
            .then(onConfirm)
            .catch((error) => {
              setNotif({
                message: i18n.str`could not update account`,
                type: "ERROR",
                description: error.message,
              });
            });
        }}
      />
    </Fragment>
  );
}
