// SPDX-License-Identifier: MIT
// Copyright (c) 2020-2021 The Pybricks Authors

import { Classes } from '@blueprintjs/core';
import { I18nContext } from '@shopify/react-i18n';
import React from 'react';
import ReactDOM from 'react-dom';
import { Provider } from 'react-redux';
import { applyMiddleware, createStore } from 'redux';
import { createLogger } from 'redux-logger';
import createSagaMiddleware from 'redux-saga';
import './index.scss';
import App from './app/App';
import { appVersion } from './app/constants';
import { i18nManager } from './i18n';
import * as I18nToaster from './notifications/I18nToaster';
import { rootReducer } from './reducers';
import reportWebVitals from './reportWebVitals';
import rootSaga from './sagas';
import { didSucceed, didUpdate } from './service-worker/actions';
import * as serviceWorkerRegistration from './serviceWorkerRegistration';
import { defaultTerminalContext } from './terminal/TerminalContext';
import ViewHeightSensor from './utils/ViewHeightSensor';
import { createCountFunc } from './utils/iter';

const toaster = I18nToaster.create(i18nManager);

const sagaMiddleware = createSagaMiddleware({
    context: {
        nextMessageId: createCountFunc(),
        notification: { toaster },
        terminal: defaultTerminalContext,
    },
});

// TODO: add runtime option or filter - logger affects firmware flash performance
const loggerMiddleware = createLogger({ predicate: () => false });

const store = createStore(
    rootReducer,
    applyMiddleware(sagaMiddleware, loggerMiddleware),
);

// Hook in blueprints dark mode class to setting
let oldDarkMode = false;
store.subscribe(() => {
    const newDarkMode = store.getState().settings.darkMode;
    if (newDarkMode !== oldDarkMode) {
        if (newDarkMode) {
            document.body.classList.add(Classes.DARK);
            for (const frame of document.getElementsByTagName('iframe')) {
                frame.contentWindow?.document.documentElement.classList.add(
                    Classes.DARK,
                );
            }
        } else {
            document.body.classList.remove(Classes.DARK);
            for (const frame of document.getElementsByTagName('iframe')) {
                frame.contentWindow?.document.documentElement.classList.remove(
                    Classes.DARK,
                );
            }
        }
        oldDarkMode = newDarkMode;
    }
});

// special styling for beta versions
if (appVersion.match(/beta/)) {
    document.body.classList.add('pb-beta');
}

sagaMiddleware.run(rootSaga);

ReactDOM.render(
    <React.StrictMode>
        <Provider store={store}>
            <I18nContext.Provider value={i18nManager}>
                <ViewHeightSensor />
                <App />
            </I18nContext.Provider>
        </Provider>
    </React.StrictMode>,
    document.getElementById('root'),
);

// If you want your app to work offline and load faster, you can change
// unregister() to register() below. Note this comes with some pitfalls.
// Learn more about service workers: https://cra.link/PWA
serviceWorkerRegistration.register({
    onUpdate: (r) => store.dispatch(didUpdate(r)),
    onSuccess: (r) => store.dispatch(didSucceed(r)),
});

// If you want to start measuring performance in your app, pass a function
// to log results (for example: reportWebVitals(console.log))
// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
reportWebVitals();