/*
 This file is part of GNU Taler
 (C) 2020 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/>
 */

/**
 * Main entry point for extension pages.
 *
 * @author Florian Dold <dold@taler.net>
 */

import { setupI18n } from "@gnu-taler/taler-util";
import { createHashHistory } from 'history';
import { Fragment, h, render } from "preact";
import Router, { route, Route } from "preact-router";
import { useEffect } from "preact/hooks";
import { LogoHeader } from "./components/LogoHeader";
import { DevContextProvider } from "./context/devContext";
import { PayPage } from "./cta/Pay";
import { RefundPage } from "./cta/Refund";
import { TipPage } from './cta/Tip';
import { WithdrawPage } from "./cta/Withdraw";
import { strings } from "./i18n/strings";
import {
  Pages, WalletNavBar
} from "./NavigationBar";
import { BalancePage } from "./wallet/BalancePage";
import { HistoryPage } from "./wallet/History";
import { SettingsPage } from "./wallet/Settings";
import { TransactionPage } from './wallet/Transaction';
import { WelcomePage } from "./wallet/Welcome";
import { BackupPage } from './wallet/BackupPage';


function main(): void {
  try {
    const container = document.getElementById("container");
    if (!container) {
      throw Error("container not found, can't mount page contents");
    }
    render(<Application />, container);
  } catch (e) {
    console.error("got error", e);
    document.body.innerText = `Fatal error: "${e.message}".  Please report this bug at https://bugs.gnunet.org/.`;
  }
}

setupI18n("en-US", strings);

if (document.readyState === "loading") {
  document.addEventListener("DOMContentLoaded", main);
} else {
  main();
}

function withLogoAndNavBar(Component: any) {
  return () => <Fragment>
    <LogoHeader />
    <WalletNavBar />
    <Component />
  </Fragment>
}

function Application() {
  return <div>
    <DevContextProvider>
      <Router history={createHashHistory()} >

        <Route path={Pages.welcome} component={withLogoAndNavBar(WelcomePage)} />

        <Route path={Pages.history} component={withLogoAndNavBar(HistoryPage)} />
        <Route path={Pages.transaction} component={withLogoAndNavBar(TransactionPage)} />
        <Route path={Pages.balance} component={withLogoAndNavBar(BalancePage)} />
        <Route path={Pages.settings} component={withLogoAndNavBar(SettingsPage)} />
        <Route path={Pages.backup} component={withLogoAndNavBar(BackupPage)} />

        <Route path={Pages.reset_required} component={() => <div>no yet implemented</div>} />
        <Route path={Pages.payback} component={() => <div>no yet implemented</div>} />
        <Route path={Pages.return_coins} component={() => <div>no yet implemented</div>} />

        {/** call to action */}
        <Route path={Pages.pay} component={PayPage} />
        <Route path={Pages.refund} component={RefundPage} />
        <Route path={Pages.tips} component={TipPage} />
        <Route path={Pages.withdraw} component={WithdrawPage} />

        <Route default component={Redirect} to={Pages.history} />
      </Router>
    </DevContextProvider>
  </div>
}

function Redirect({ to }: { to: string }): null {
  useEffect(() => {
    route(to, true)
  })
  return null
}