import * as React from 'react';

import * as ReactDOM from 'react-dom';

import {createRoot} from 'react-dom/client';

import {

  activate as activateBackend,

  initialize as initializeBackend,

} from 'react-devtools-inline/backend';

import {initialize as createDevTools} from 'react-devtools-inline/frontend';

// This is a pretty gross hack to make the runtime loaded named-hooks-code work.

// TODO (Webpack 5) Hoepfully we can remove this once we upgrade to Webpack 5.

__webpack_public_path__ = '/dist/'; // eslint-disable-line no-undef

// TODO (Webpack 5) Hopefully we can remove this prop after the Webpack 5 migration.

function hookNamesModuleLoaderFunction() {

  return import('react-devtools-inline/hookNames');

}

function inject(contentDocument, sourcePath, callback) {

  const script = contentDocument.createElement('script');

  script.onload = callback;

  script.src = sourcePath;

  ((contentDocument.body: any): HTMLBodyElement).appendChild(script);

}

function init(appIframe, devtoolsContainer, appSource) {

  const {contentDocument, contentWindow} = appIframe;

  initializeBackend(contentWindow);

  const DevTools = createDevTools(contentWindow);

  inject(contentDocument, appSource, () => {

    createRoot(devtoolsContainer).render(

      <DevTools

        hookNamesModuleLoaderFunction={hookNamesModuleLoaderFunction}

        showTabBar={true}

      />,

    );

  });

  activateBackend(contentWindow);

}

const iframe = document.getElementById('iframe');

const devtoolsContainer = document.getElementById('devtools');

const {protocol, hostname} = window.location;

const port = 8181; // secondary webpack server port

init(

  iframe,

  devtoolsContainer,

  `${protocol}//${hostname}:${port}/dist/e2e-app-regression.js`,

);

// ReactDOM Test Selector APIs used by Playwright e2e tests

window.parent.REACT_DOM_DEVTOOLS = ReactDOM;