/**
 * Internal dependencies
 */
import { loadAlternative, loadUntestedControl } from './alternative-loading';
import {
	exportTrackingApi,
	markContentAsReady,
	maybeStartTracking,
} from './tracking';
import {
	getSession,
	maybeLoadCheckerScript,
	setNabReferrer,
} from './utils/helpers';

void ( async function (): Promise< void > {
	setNabReferrer();
	await maybeLoadCheckerScript();

	exportTrackingApi( 'awaiting-session' );
	const session = await getSession();

	if ( ! session ) {
		exportTrackingApi( 'missing-session' );
		await loadUntestedControl();
		markContentAsReady( undefined, false );
		return;
	}

	exportTrackingApi( 'awaiting-variant' );
	const loaded = await loadAlternative( session );
	maybeStartTracking( session, loaded );
	markContentAsReady( session, loaded );
} )();