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path: root/packages/taler-wallet-webextension/src/cta/Withdraw.tsx
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/*
 This file is part of TALER
 (C) 2015-2016 GNUnet e.V.

 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.

 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
 TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */

/**
 * Page shown to the user to confirm creation
 * of a reserve, usually requested by the bank.
 *
 * @author Florian Dold
 */

import { i18n } from '@gnu-taler/taler-util'
import { renderAmount } from "../renderHtml";

import { useState, useEffect } from "preact/hooks";
import {
  acceptWithdrawal,
  onUpdateNotification,
  getWithdrawalDetailsForUri,
} from "../wxApi";
import { h } from 'preact';
import { WithdrawUriInfoResponse } from "@gnu-taler/taler-util";
import { JSX } from "preact/jsx-runtime";
import { WalletAction } from '../components/styled';

interface Props {
  talerWithdrawUri?: string;
}

export interface ViewProps {
  details: WithdrawUriInfoResponse;
  selectedExchange?: string;
  accept: () => Promise<void>;
  setCancelled: (b: boolean) => void;
  setSelecting: (b: boolean) => void;
};

export function View({ details, selectedExchange, accept, setCancelled, setSelecting }: ViewProps) {

  return (
    <WalletAction>
      <div style="border-bottom: 3px dashed #aa3939; margin-bottom: 2em;">
        <h1 style="font-family: monospace; font-size: 250%;">
          <span style="color: #aa3939;">❰</span>Taler Wallet<span style="color: #aa3939;">❱</span>
        </h1>
      </div>
      <div class="fade">
        <div>
          <h1><i18n.Translate>Digital Cash Withdrawal</i18n.Translate></h1>
          <p><i18n.Translate>
            You are about to withdraw{" "}
            <strong>{renderAmount(details.amount)}</strong> from your bank account
            into your wallet.
          </i18n.Translate></p>
          {selectedExchange ? (
            <p><i18n.Translate>
              The exchange <strong>{selectedExchange}</strong> will be used as the
              Taler payment service provider.
            </i18n.Translate></p>
          ) : null}

          <div>
            <button
              class="pure-button button-success"
              disabled={!selectedExchange}
              onClick={() => accept()}
            >
              {i18n.str`Accept fees and withdraw`}
            </button>
            <p>
              <span
                role="button"
                tabIndex={0}
                style={{ textDecoration: "underline", cursor: "pointer" }}
                onClick={() => setSelecting(true)}
              >
                {i18n.str`Chose different exchange provider`}
              </span>
              <br />
              <span
                role="button"
                tabIndex={0}
                style={{ textDecoration: "underline", cursor: "pointer" }}
                onClick={() => setCancelled(true)}
              >
                {i18n.str`Cancel withdraw operation`}
              </span>
            </p>
          </div>
        </div>
      </div>
    </WalletAction>
  )
}

export function WithdrawPage({ talerWithdrawUri, ...rest }: Props): JSX.Element {
  const [details, setDetails] = useState<WithdrawUriInfoResponse | undefined>(undefined);
  const [selectedExchange, setSelectedExchange] = useState<string | undefined>(undefined);
  const [cancelled, setCancelled] = useState(false);
  const [selecting, setSelecting] = useState(false);
  const [error, setError] = useState<boolean>(false);
  const [updateCounter, setUpdateCounter] = useState(1);
  const [state, setState] = useState(1)

  useEffect(() => {
    return onUpdateNotification(() => {
      console.log('updating...')
      setUpdateCounter(updateCounter + 1);
    });
  }, []);

  useEffect(() => {
    console.log('on effect yes', talerWithdrawUri)
    if (!talerWithdrawUri) return
    const fetchData = async (): Promise<void> => {
      try {
        const res = await getWithdrawalDetailsForUri({ talerWithdrawUri });
        setDetails(res);
        if (res.defaultExchangeBaseUrl) {
          setSelectedExchange(res.defaultExchangeBaseUrl);
        }
      } catch (e) {
        console.error('error', JSON.stringify(e, undefined, 2))
        setError(true)
      }
    };
    fetchData();
  }, [selectedExchange, selecting, talerWithdrawUri, updateCounter, state]);

  if (!talerWithdrawUri) {
    return <span><i18n.Translate>missing withdraw uri</i18n.Translate></span>;
  }

  const accept = async (): Promise<void> => {
    if (!selectedExchange) {
      throw Error("can't accept, no exchange selected");
    }
    console.log("accepting exchange", selectedExchange);
    const res = await acceptWithdrawal(talerWithdrawUri, selectedExchange);
    console.log("accept withdrawal response", res);
    if (res.confirmTransferUrl) {
      document.location.href = res.confirmTransferUrl;
    }
  };

  if (!details) {
    return <span><i18n.Translate>Loading...</i18n.Translate></span>;
  }
  if (cancelled) {
    return <span><i18n.Translate>Withdraw operation has been cancelled.</i18n.Translate></span>;
  }
  if (error) {
    return <span><i18n.Translate>This URI is not valid anymore.</i18n.Translate></span>;
  }

  return <View accept={accept}
    setCancelled={setCancelled} setSelecting={setSelecting}
    details={details} selectedExchange={selectedExchange}
  />
}