import { DEBUG, DEBUG_LINK, LESSON_LINK, QUIZ_MAIN_MENU_LINK, RECORD_LINK, SETTING_LINK } from './constants';
/* Core CSS required for Ionic components to work properly */

import '@ionic/react/css/core.css';
/* Basic CSS for apps built with Ionic */
import '@ionic/react/css/normalize.css';
import '@ionic/react/css/structure.css';
/* Optional CSS utils that can be commented out */
import '@ionic/react/css/padding.css';
import '@ionic/react/css/float-elements.css';
import '@ionic/react/css/text-alignment.css';
import '@ionic/react/css/text-transformation.css';
import '@ionic/react/css/flex-utils.css';
import '@ionic/react/css/typography.css';
import '@ionic/react/css/display.css';
/**
 * Ionic Dark Mode
 * -----------------------------------------------------
 * For more info, please see:
 * https://ionicframework.com/docs/theming/dark-mode
 */
/* import '@ionic/react/css/palettes/dark.always.css'; */
/* import '@ionic/react/css/palettes/dark.class.css'; */
// import '@ionic/react/css/palettes/dark.system.css';
/* Theme variables */
import './theme/variables.css';
import './debug.css';
import './style.css';
import './google_fonts.css';
import { App as CapacitorApp } from '@capacitor/app';
import {
  IonApp,
  IonIcon,
  IonLabel,
  IonRouterOutlet,
  IonTabBar,
  IonTabButton,
  IonTabs,
  setupIonicReact,
  useIonRouter,
} from '@ionic/react';
import { IonReactRouter } from '@ionic/react-router';
import { bookOutline, bug, heartOutline, newspaperOutline, settingsOutline } from 'ionicons/icons';
import { useTranslation } from 'react-i18next';
import ConfirmUserExit from './components/ConfirmUserExit';
import { DisableUserTap } from './components/DisableUserTap';
import ContextMeta from './contexts';
import { useAppStateContext } from './contexts/AppState';
import { useMyIonQuizContext } from './contexts/MyIonQuiz';
import { RouteConfig } from './RouteConfig';

let active_color = 'tomato';
let inactive_color = 'gray';

CapacitorApp.addListener('appStateChange', ({ isActive }) => {
  console.log('App state changed. Is active?', isActive);
});

CapacitorApp.addListener('backButton', ({ canGoBack }) => {
  if (!canGoBack) {
    // CapacitorApp.minimizeApp();
    // alert('blablabla');
  }
});

setupIonicReact();

const TabButtons: React.FC = () => {
  let router = useIonRouter();
  const { t } = useTranslation();

  let {
    url_push_after_user_confirm,
    setURLPushAfterUserConfirm,
    setShowConfirmUserExit,
    listening_practice_in_progress,
    setListeningPracticeInProgress,
    matching_frenzy_in_progress,
    connective_revision_in_progress,
    tab_active,
    setTabActive,
  } = useAppStateContext();
  const { resetListeningPracticeCorrectionList } = useMyIonQuizContext();

  function goSwitchPage(url: string) {
    if (listening_practice_in_progress || matching_frenzy_in_progress || connective_revision_in_progress) {
      if (url != QUIZ_MAIN_MENU_LINK) {
        setURLPushAfterUserConfirm(url);
        setShowConfirmUserExit(true);
      }
    } else {
      setTabActive(url);
      router.push(url, 'none', 'replace');
    }
  }

  return (
    <>
      <IonTabBar slot="bottom">
        <IonTabButton
          tab="lesson"
          onClick={() => goSwitchPage(LESSON_LINK)}
          style={{ color: tab_active == LESSON_LINK ? active_color : inactive_color }}
        >
          <IonIcon aria-hidden="true" icon={bookOutline} size="large" />
        </IonTabButton>
        {/*  */}
        <IonTabButton
          tab="quiz"
          onClick={() => goSwitchPage(QUIZ_MAIN_MENU_LINK)}
          style={{ color: tab_active == QUIZ_MAIN_MENU_LINK ? active_color : inactive_color }}
        >
          <IonIcon aria-hidden="true" icon={newspaperOutline} size="large" />
        </IonTabButton>

        <IonTabButton
          tab="quiz"
          onClick={() => goSwitchPage(QUIZ_MAIN_MENU_LINK)}
          style={{ color: tab_active == QUIZ_MAIN_MENU_LINK ? active_color : inactive_color }}
        ></IonTabButton>

        {/*  */}
        <IonTabButton
          tab="record"
          onClick={() => goSwitchPage(RECORD_LINK)}
          style={{ color: tab_active == RECORD_LINK ? active_color : inactive_color }}
        >
          <IonIcon aria-hidden="true" icon={heartOutline} size="large" />
        </IonTabButton>
        {/*  */}

        {/* 003_remove_setting_screen, hide setting on bottom tabs */}
        <IonTabButton
          tab="setting"
          onClick={() => goSwitchPage(SETTING_LINK)}
          style={{ color: tab_active == SETTING_LINK ? active_color : inactive_color }}
        >
          <IonIcon aria-hidden="true" icon={settingsOutline} size="large" />
        </IonTabButton>

        {DEBUG ? (
          <IonTabButton
            tab="debug"
            onClick={() => goSwitchPage(DEBUG_LINK)}
            // href={DEBUG_LINK}
          >
            <IonIcon aria-hidden="true" icon={bug} color="danger" />
            <IonLabel color="danger">Debug</IonLabel>
          </IonTabButton>
        ) : (
          <></>
        )}
      </IonTabBar>
    </>
  );
};

const App: React.FC = () => {
  return (
    <IonApp>
      <ContextMeta>
        <DisableUserTap>
          <IonReactRouter>
            <IonTabs>
              <IonRouterOutlet>
                <RouteConfig />
              </IonRouterOutlet>
              <TabButtons />
            </IonTabs>
            <div
              style={{
                zIndex: 9999,
                backgroundColor: 'tomato',
                position: 'fixed',
                bottom: '1rem',
                height: '4rem',
                width: '4rem',
                left: 'calc( (100vw - 4rem ) / 2 )',
                borderRadius: '50%',
                //
                display: 'flex',
                flexDirection: 'column',
                justifyContent: 'center',
                alignItems: 'center',
              }}
            >
              <div style={{ fontWeight: 'bold', fontSize: '2rem', color: 'white' }}>AI</div>
            </div>
            {/*  */}
            <ConfirmUserExit />
            {/*  */}
          </IonReactRouter>
        </DisableUserTap>
      </ContextMeta>
    </IonApp>
  );
};

export default App;