(function () {
	let conversionTriggered = false;
	let conversionRunning = false;

	if (!params.eventId) {
		return;
	}

	const cookieName = params.eventId.cookie;

	const cookieValue = getCookie(cookieName);
	if (cookieValue) {
		return;
	}

	const tryMakeConversion = async () => {
		if (conversionTriggered || conversionRunning) return;
		conversionRunning = true;

		try {
			const EF = window.EF;
			if (!EF || typeof EF.urlParameter !== 'function') return;

			const offerId = EF.urlParameter('oid');
			const transactionId = EF.urlParameter('transaction_id');
			if (!offerId || !transactionId) return;

			if (EF.customParamProvider instanceof Promise) {
				await EF.customParamProvider;
			}
			EF.customParamProvider = null;

			const conversion = await EF.conversion({
				offer_id: offerId,
				tracking_domain: 'https://www.csszp8trk.com',
				adv_event_id: params.eventId.id,
				transaction_id: transactionId,
			});

			const txId = conversion?.transaction_id;
			const convId = conversion?.conversion_id;

			if (txId && convId) {
				conversionTriggered = true;
				setCookie(cookieName, true);
				observer.disconnect();
			}
		} catch (err) {
			console.error('Conversion error:', err);
		} finally {
			conversionRunning = false;
		}
	};

	const observer = new MutationObserver(() => tryMakeConversion());
	observer.observe(document.body, { childList: true, subtree: true });

	tryMakeConversion();
})();

function setCookie(name, value, days = 1, path = '/') {
	let expires = '';
	if (days) {
		const date = new Date();
		date.setTime(date.getTime() + days * 24 * 60 * 60 * 1000);
		expires = '; expires=' + date.toUTCString();
	}
	document.cookie = `${name}=${encodeURIComponent(value)}${expires}; path=${path}`;
}

function getCookie(name) {
	const cookies = document.cookie.split('; ').map((c) => c.split('='));
	for (const [key, value] of cookies) {
		if (key === name) return decodeURIComponent(value);
	}
	return null;
}