import React, { lazy, memo, PropsWithChildren, useEffect } from 'react';
import { Provider } from 'react-redux';
import { PersistGate } from 'redux-persist/integration/react';
import { buildMiddleware, store } from 'app/store/store';
import { persistor } from '../store/persistor';
import { OpenAPI } from 'services/api';
import '@fontsource/inter/100.css';
import '@fontsource/inter/200.css';
import '@fontsource/inter/300.css';
import '@fontsource/inter/400.css';
import '@fontsource/inter/500.css';
import '@fontsource/inter/600.css';
import '@fontsource/inter/700.css';
import '@fontsource/inter/800.css';
import '@fontsource/inter/900.css';

import Loading from '../../common/components/Loading/Loading';
import { addMiddleware, resetMiddlewares } from 'redux-dynamic-middlewares';
import { PartialAppConfig } from 'app/types/invokeai';

import '../../i18n';

const App = lazy(() => import('./App'));
const ThemeLocaleProvider = lazy(() => import('./ThemeLocaleProvider'));

interface Props extends PropsWithChildren {
  apiUrl?: string;
  token?: string;
  config?: PartialAppConfig;
}

const InvokeAIUI = ({ apiUrl, token, config, children }: Props) => {
  useEffect(() => {
    // configure API client token
    if (token) {
      OpenAPI.TOKEN = token;
    }

    // configure API client base url
    if (apiUrl) {
      OpenAPI.BASE = apiUrl;
    }

    // reset dynamically added middlewares
    resetMiddlewares();

    // TODO: at this point, after resetting the middleware, we really ought to clean up the socket
    // stuff by calling `dispatch(socketReset())`. but we cannot dispatch from here as we are
    // outside the provider. it's not needed until there is the possibility that we will change
    // the `apiUrl`/`token` dynamically.

    // rebuild socket middleware with token and apiUrl
    addMiddleware(buildMiddleware());
  }, [apiUrl, token]);

  return (
    <React.StrictMode>
      <Provider store={store}>
        <PersistGate loading={<Loading />} persistor={persistor}>
          <React.Suspense fallback={<Loading />}>
            <ThemeLocaleProvider>
              <App config={config}>{children}</App>
            </ThemeLocaleProvider>
          </React.Suspense>
        </PersistGate>
      </Provider>
    </React.StrictMode>
  );
};

export default memo(InvokeAIUI);