/*
 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 { Logger, PaytoUriIBAN, TranslatedString, parsePaytoUri, stringifyPaytoUri } from "@gnu-taler/taler-util";
import { useTranslationContext } from "@gnu-taler/web-util/browser";
import { ComponentChildren, Fragment, h, VNode } from "preact";
import { StateUpdater, useEffect, useState } from "preact/hooks";
import talerLogo from "../assets/logo-white.svg";
import { LangSelectorLikePy as LangSelector } from "../components/LangSelector.js";
import { useBackendContext } from "../context/backend.js";
import { useBusinessAccountDetails } from "../hooks/circuit.js";
import { bankUiSettings } from "../settings.js";
import { useSettings } from "../hooks/settings.js";
import { ErrorMessage, onNotificationUpdate } from "../hooks/notification.js";
import { CopyButton, CopyIcon } from "../components/CopyButton.js";

const IS_PUBLIC_ACCOUNT_ENABLED = false;
const GIT_HASH = typeof __GIT_HASH__ !== "undefined" ? __GIT_HASH__ : undefined;
const VERSION = typeof __VERSION__ !== "undefined" ? __VERSION__ : undefined;

const versionText = VERSION
  ? GIT_HASH
    ? `Version ${VERSION} (${GIT_HASH.substring(0, 8)})`
    : VERSION
  : "";

const logger = new Logger("BankFrame");

function MaybeBusinessButton({
  account,
  onClick,
}: {
  account: string;
  onClick: () => void;
}): VNode {
  const { i18n } = useTranslationContext();
  const result = useBusinessAccountDetails(account);
  if (!result.ok) return <Fragment />;
  return (
    <a
      href="#"
      class="pure-button pure-button-primary"
      onClick={(e) => {
        e.preventDefault();
        onClick();
      }}
    >{i18n.str`Business Profile`}</a>
  );
}

export function BankFrame({
  children,
  goToBusinessAccount,
}: {
  children: ComponentChildren;
  goToBusinessAccount?: () => void;
}): VNode {
  const { i18n } = useTranslationContext();
  const backend = useBackendContext();
  const [settings, updateSettings] = useSettings();
  const [open, setOpen] = useState(false)

  const demo_sites = [];
  for (const i in bankUiSettings.demoSites)
    demo_sites.push(
      <a href={bankUiSettings.demoSites[i][1]}>
        {bankUiSettings.demoSites[i][0]}
      </a>,
    );

  return (<div class="min-h-full">
    <div class="bg-indigo-600 pb-32">
      <nav class="border-b border-indigo-300 border-opacity-25 bg-indigo-600 lg:border-none">
        <div class="mx-auto max-w-7xl px-2 sm:px-4 lg:px-8">
          <div class="relative flex h-16 items-center justify-between lg:border-b lg:border-indigo-400 lg:border-opacity-25">
            <div class="flex items-center px-2 lg:px-0">
              <div class="flex-shrink-0">
                <img class="block h-8 w-8" src="https://tailwindui.com/img/logos/mark.svg?color=indigo&shade=300" alt="Your Company" />
              </div>
              <div class="hidden lg:ml-10 lg:block">
                <div class="flex space-x-4">
                  {/* <!-- Current: "bg-indigo-700 text-white", Default: "text-white hover:bg-indigo-500 hover:bg-opacity-75" --> */}
                  {bankUiSettings.demoSites.map(([name, url]) => {
                    return <a href={url} class="text-white hover:bg-indigo-500 hover:bg-opacity-75 rounded-md py-2 px-3 text-sm font-medium">{name}</a>
                  })}
                </div>
              </div>
            </div>

            <div class="flex lg:hidden">
              {/* <!-- Mobile menu button --> */}
              <button type="button" class="relative inline-flex items-center justify-center rounded-md bg-indigo-600 p-2 text-indigo-200 hover:bg-indigo-500 hover:bg-opacity-75 hover:text-white focus:outline-none focus:ring-2 focus:ring-white focus:ring-offset-2 focus:ring-offset-indigo-600" aria-controls="mobile-menu" aria-expanded="false"
                onClick={(e) => {
                  setOpen(!open)
                }}>
                <span class="absolute -inset-0.5"></span>
                <span class="sr-only">Open main menu</span>
                {/* <!-- Menu open: "hidden", Menu closed: "block" --> */}
                <svg class="block h-6 w-6" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" aria-hidden="true">
                  <path stroke-linecap="round" stroke-linejoin="round" d="M3.75 6.75h16.5M3.75 12h16.5m-16.5 5.25h16.5" />
                </svg>
                {/* <!-- Menu open: "block", Menu closed: "hidden" --> */}
                <svg class="hidden h-6 w-6" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" aria-hidden="true">
                  <path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12" />
                </svg>
              </button>
            </div>
          </div>
        </div>

        {/* <!-- Mobile menu, show/hide based on menu state. --> */}
        {open &&
          <div class="lg:hidden" id="mobile-menu">
            <div class="space-y-1 px-2 pb-3 pt-2">
              {/* <!-- Current: "bg-indigo-700 text-white", Default: "text-white hover:bg-indigo-500 hover:bg-opacity-75" --> */}
              {bankUiSettings.demoSites.map(([name, url]) => {
                return <a href={url} class="text-white hover:bg-indigo-500 hover:bg-opacity-75 block rounded-md py-2 px-3 text-base font-medium">{name}</a>
              })}
            </div>

          </div>
        }
      </nav >
      <header class="py-10">

        <div class="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8">
          <div class=" flex flex-wrap items-center justify-between sm:flex-nowrap">
            {/* <h1 class="text-base font-semibold leading-6 text-gray-900"></h1> */}
            <h1 class="text-3xl font-bold tracking-tight text-white"><WelcomeAccount /></h1>
            <div>

              <h2 class="text-3xl font-bold tracking-tight text-white">KUDOS 100.00</h2>
            </div>
            {/* <div class="ml-4 mt-2 flex-shrink-0">
              <button type="button" class="relative inline-flex items-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">Create new job</button>
            </div> */}
          </div>
        </div>
      </header>
    </div >

    <main class="-mt-32">
      <div class="mx-auto max-w-7xl px-4 pb-12 sm:px-6 lg:px-8">
        <div class="rounded-lg bg-white px-5 py-6 shadow sm:px-6">
          {/* <!-- Your content --> */}
          {children}
        </div>
      </div>
    </main>

    <Footer />
  </div >

    // <Fragment>
    //   <header
    //     class="demobar"
    //     style="display: flex; flex-direction: row; justify-content: space-between;"
    //   >
    //     <a href="#main" class="skip">{i18n.str`Skip to main content`}</a>
    //     <div style="max-width: 50em; margin-left: 2em; margin-right: 2em;">
    //       <h1>
    //         <span class="it">
    //           <a href="/">{bankUiSettings.bankName}</a>
    //         </span>
    //       </h1>
    //       {maybeDemoContent(
    //         <p>
    //           {IS_PUBLIC_ACCOUNT_ENABLED ? (
    //             <i18n.Translate>
    //               This part of the demo shows how a bank that supports Taler
    //               directly would work. In addition to using your own bank
    //               account, you can also see the transaction history of some{" "}
    //               <a href="/public-accounts">Public Accounts</a>.
    //             </i18n.Translate>
    //           ) : (
    //             <i18n.Translate>
    //               This part of the demo shows how a bank that supports Taler
    //               directly would work.
    //             </i18n.Translate>
    //           )}
    //         </p>,
    //       )}
    //     </div>
    //   </header>
    //   <div style="display:flex; flex-direction: column;" class="navcontainer">
    //     <nav class="demolist">
    //       {maybeDemoContent(<Fragment>{demo_sites}</Fragment>)}
    //       {backend.state.status === "loggedIn" ? (
    //         <Fragment>
    //           {goToBusinessAccount && !backend.state.isUserAdministrator ? (
    //             <MaybeBusinessButton
    //               account={backend.state.username}
    //               onClick={goToBusinessAccount}
    //             />
    //           ) : undefined}

    //           <LangSelector />

    //           <a
    //             href="#"
    //             class="pure-button logout-button"
    //             onClick={() => {
    //               backend.logOut();
    //               updateSettings("currentWithdrawalOperationId", undefined);
    //             }}
    //           >{i18n.str`Logout`}</a>
    //         </Fragment>
    //       ) : undefined}
    //     </nav>
    //   </div>
    //   <section id="main" class="content">
    //     <StatusBanner />
    //     {children}
    //   </section>
    //   <section id="footer" class="footer">
    //     <hr />
    //     <div>
    //       <p>
    //         You can learn more about GNU Taler on our{" "}
    //         <a href="https://taler.net">main website</a>.
    //       </p>
    //     </div>
    //     <div style="flex-grow:1" />
    //     <p>
    //       Copyright &copy; 2014&mdash;2022 Taler Systems SA. {versionText}{" "}
    //       <TestingTag />
    //     </p>
    //   </section>
    // </Fragment>
  );
}

function maybeDemoContent(content: VNode): VNode {
  if (bankUiSettings.showDemoNav) {
    return content;
  }
  return <Fragment />;
}

export function ErrorBannerFloat({
  error,
  onClear,
}: {
  error: ErrorMessage;
  onClear?: () => void;
}): VNode {
  return (
    <div
      style={{
        position: "fixed",
        top: 10,
        zIndex: 200,
        width: "90%",
      }}
    >
      <ErrorBanner error={error} onClear={onClear} />
    </div>
  );
}

function ErrorBanner({
  error,
  onClear,
}: {
  error: ErrorMessage;
  onClear?: () => void;
}): VNode {
  return (
    <div
      class="informational informational-fail"
      style={{
        marginTop: 8,
        paddingLeft: 16,
        paddingRight: 16,
      }}
    >
      <div style={{ display: "flex", justifyContent: "space-between" }}>
        <p>
          <b>{error.title}</b>
        </p>
        <div style={{ marginTop: "auto", marginBottom: "auto" }}>
          {onClear && (
            <input
              type="button"
              class="pure-button"
              value="Clear"
              onClick={(e) => {
                e.preventDefault();
                onClear();
              }}
            />
          )}
        </div>
      </div>
      <p>{error.description}</p>
    </div>
  );
}

function StatusBanner(): VNode | null {
  const [info, setInfo] = useState<TranslatedString>();
  const [error, setError] = useState<ErrorMessage>();
  useEffect(() => {
    return onNotificationUpdate((newValue) => {
      if (newValue === undefined) {
        setInfo(undefined);
        setError(undefined);
      } else {
        if (newValue.type === "error") {
          setError(newValue.error);
        } else {
          setInfo(newValue.info);
        }
      }
    });
  }, []);
  return (
    <div
      style={{
        position: "fixed",
        top: 10,
        zIndex: 200,
        width: "90%",
      }}
    >
      {!info ? undefined : (
        <div
          class="informational informational-ok"
          style={{ marginTop: 8, paddingLeft: 16, paddingRight: 16 }}
        >
          <div style={{ display: "flex", justifyContent: "space-between" }}>
            <p>
              <b>{info}</b>
            </p>
            <div>
              <input
                type="button"
                class="pure-button"
                value="Clear"
                onClick={async () => {
                  setInfo(undefined);
                }}
              />
            </div>
          </div>
        </div>
      )}
      {!error ? undefined : (
        <ErrorBanner
          error={error}
          onClear={() => {
            setError(undefined);
          }}
        />
      )}
    </div>
  );
}

function TestingTag(): VNode {
  const testingUrl = localStorage.getItem("bank-base-url");
  if (!testingUrl) return <Fragment />;
  return (
    <p class="text-xs leading-5 text-gray-300">
      Testing with {testingUrl}{" "}
      <a
        href=""
        onClick={(e) => {
          e.preventDefault();
          localStorage.removeItem("bank-base-url");
          window.location.reload();
        }}
      >
        stop testing
      </a>
    </p>
  );
}

function Footer() {
  return (
    <footer class="absolute bottom-4">
      <div class="mt-8 mx-8 md:order-1 md:mt-0">
        <div>
          <p class="text-xs leading-5 text-gray-400">
            You can learn more about GNU Taler on our{" "}
            <a class="font-semibold text-gray-500 hover:text-gray-400" href="https://taler.net">main website</a>.
          </p>
        </div>
        <div style="flex-grow:1" />
        <p class="text-xs leading-5 text-gray-400">
          Copyright &copy; 2014&mdash;2022 Taler Systems SA. {versionText}{" "}
          <TestingTag />
        </p>
      </div>
    </footer>
  );
}

function WelcomeAccount(): VNode {
  const { i18n } = useTranslationContext();
  const account = "Sebastian"
  const payto: PaytoUriIBAN = parsePaytoUri("payto://iban/bank.localhost/DE955922") as PaytoUriIBAN
  return <i18n.Translate>
    Welcome,  {account} (<a href={stringifyPaytoUri(payto)}>{payto.iban}</a>)! <CopyButton getContent={() => stringifyPaytoUri(payto)} />
  </i18n.Translate>

}