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path: root/packages/demobank-ui/src/pages/WithdrawalQRCode.tsx
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/*
 This file is part of GNU Taler
 (C) 2022 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/>
 */

import {
  Amounts,
  HttpStatusCode,
  Logger,
  TalerError,
  WithdrawUriResult,
  parsePaytoUri
} from "@gnu-taler/taler-util";
import { Attention, Loading, notifyInfo, useTranslationContext } from "@gnu-taler/web-util/browser";
import { Fragment, VNode, h } from "preact";
import { ErrorLoadingWithDebug } from "../components/ErrorLoadingWithDebug.js";
import { useWithdrawalDetails } from "../hooks/access.js";
import { QrCodeSection } from "./QrCodeSection.js";
import { WithdrawalConfirmationQuestion } from "./WithdrawalConfirmationQuestion.js";
import { assertUnreachable } from "./WithdrawalOperationPage.js";

const logger = new Logger("WithdrawalQRCode");

interface Props {
  withdrawUri: WithdrawUriResult;
  onClose: () => void;
  onAuthorizationRequired: () => void,

}
/**
 * Offer the QR code (and a clickable taler://-link) to
 * permit the passing of exchange and reserve details to
 * the bank.  Poll the backend until such operation is done.
 */
export function WithdrawalQRCode({
  withdrawUri,
  onClose,
  onAuthorizationRequired,
}: Props): VNode {
  const { i18n } = useTranslationContext();
  const result = useWithdrawalDetails(withdrawUri.withdrawalOperationId);

  if (!result) {
    return <Loading />
  }
  if (result instanceof TalerError) {
    return <ErrorLoadingWithDebug error={result} />
  }
  if (result.type === "fail") {
    switch (result.case) {
      case HttpStatusCode.BadRequest:
      case HttpStatusCode.NotFound: return <OperationNotFound onClose={onClose} />
      default: assertUnreachable(result)
    }
  }

  const { body: data } = result;

  if (data.status === "aborted") {
    // FIXME: remove exchange word
    return <section id="main" class="content">
      <h1 class="nav">{i18n.str`Operation aborted`}</h1>
      <section>
        <p>
          <i18n.Translate>
            The wire transfer to the Taler Exchange operator's account was aborted, your balance
            was not affected.
          </i18n.Translate>
        </p>
        <p>
          <i18n.Translate>
            You can close this page now or continue to the account page.
          </i18n.Translate>
        </p>
        <a class="pure-button pure-button-primary"
          style={{ float: "right" }}
          onClick={async (e) => {
            e.preventDefault();
            onClose()
          }}>
          {i18n.str`Continue`}
        </a>

      </section>
    </section>
  }

  if (data.status === "confirmed") {
    return <div class="relative ml-auto mr-auto transform overflow-hidden rounded-lg bg-white px-4 pb-4 pt-5 text-left shadow-xl transition-all sm:my-8 sm:w-full sm:max-w-sm sm:p-6">
      <div>
        <div class="mx-auto flex h-12 w-12 items-center justify-center rounded-full bg-green-100">
          <svg class="h-6 w-6 text-green-600" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" aria-hidden="true">
            <path stroke-linecap="round" stroke-linejoin="round" d="M4.5 12.75l6 6 9-13.5" />
          </svg>
        </div>
        <div class="mt-3 text-center sm:mt-5">
          <h3 class="text-base font-semibold leading-6 text-gray-900" id="modal-title">
            <i18n.Translate>Withdrawal confirmed</i18n.Translate>
          </h3>
          <div class="mt-2">
            <p class="text-sm text-gray-500">
              <i18n.Translate>
                The wire transfer to the Taler operator has been initiated. You will soon receive the requested amount in your Taler wallet.
              </i18n.Translate>
            </p>
          </div>
        </div>
      </div>
      <div class="mt-5 sm:mt-6">
        <button type="button"
          class="inline-flex w-full justify-center rounded-md bg-indigo-600 px-3 py-2 text-sm font-semibold text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600"
          onClick={async (e) => {
            e.preventDefault();
            onClose()
          }}>
          <i18n.Translate>Done</i18n.Translate>
        </button>
      </div>
    </div>


  }
  if (data.status === "pending") {
    return (
      <QrCodeSection
        withdrawUri={withdrawUri}
        onAborted={() => {
          notifyInfo(i18n.str`Operation canceled`);
          onClose()
        }}
      />
    );
  }

  if (!data.selected_reserve_pub) {
    return <Attention type="danger"
      title={i18n.str`The operation is incomplete or some step in the withdrawal failed`} >
      <i18n.Translate>The wallet confirmation is partially confirmed. The Taler Exchange operator is selected but no withdrawal identification found.</i18n.Translate>
    </Attention>
  }

  const account = !data.selected_exchange_account ? undefined : parsePaytoUri(data.selected_exchange_account)

  if (!account) {
    return <Attention type="danger"
      title={i18n.str`The operation is incomplete or some step in the withdrawal failed`}>
      <i18n.Translate>The Taler Exchange operator is selected but the Taler Exchange operator account is missing or invalid.</i18n.Translate>
    </Attention>
  }

  return (
    <WithdrawalConfirmationQuestion
      withdrawUri={withdrawUri}
      details={{
        username: data.username,
        account,
        reserve: data.selected_reserve_pub,
        amount: Amounts.parseOrThrow(data.amount)
      }}
      onAuthorizationRequired={onAuthorizationRequired}
      onAborted={() => {
        notifyInfo(i18n.str`Operation canceled`);
        onClose()
      }}
    />
  );
}


export function OperationNotFound({ onClose }: { onClose: (() => void) | undefined }): VNode {
  const { i18n } = useTranslationContext();
  return <div class="relative ml-auto mr-auto transform overflow-hidden rounded-lg bg-white px-4 pb-4 pt-5 text-left shadow-xl transition-all sm:my-8 sm:w-full sm:max-w-sm sm:p-6">
    <div>
      <div class="mx-auto flex h-12 w-12 items-center justify-center rounded-full bg-red-100 ">
        <svg class="h-6 w-6 text-red-600" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" aria-hidden="true">
          <path stroke-linecap="round" stroke-linejoin="round" d="M12 9v3.75m-9.303 3.376c-.866 1.5.217 3.374 1.948 3.374h14.71c1.73 0 2.813-1.874 1.948-3.374L13.949 3.378c-.866-1.5-3.032-1.5-3.898 0L2.697 16.126zM12 15.75h.007v.008H12v-.008z" />
        </svg>
      </div>

      <div class="mt-3 text-center sm:mt-5">
        <h3 class="text-base font-semibold leading-6 text-gray-900" id="modal-title">
          <i18n.Translate>Operation not found</i18n.Translate>
        </h3>
        <div class="mt-2">
          <p class="text-sm text-gray-500">
            <i18n.Translate>
              This operation is not known by the server. The operation id is wrong or the
              server deleted the operation information before reaching here.
            </i18n.Translate>
          </p>
        </div>
      </div>
    </div>
    {onClose &&
      <div class="mt-5 sm:mt-6">
        <button type="button"
          class="inline-flex w-full justify-center rounded-md bg-indigo-600 px-3 py-2 text-sm font-semibold text-white shadow-sm hover:bg-indigo-500 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600"
          onClick={async (e) => {
            e.preventDefault();
            onClose()
          }}>
          <i18n.Translate>Cotinue to dashboard</i18n.Translate>
        </button>
      </div>
    }
  </div>
}