import { cookies, headers } from 'next/headers';
import { getPayload, type Where } from 'payload';
import config from '@payload-config';


export async function getPreview() {
	const cookieStore = await cookies();

	let isPreview = cookieStore.get('payload-preview')?.value !== undefined;

	if (isPreview) {
		const payload = await getPayload({ config });

		const headersList = await headers();

		const { user } = await payload.auth({
			headers: headersList
		});
		
		if (!user)
			isPreview = false;
	}

	const where: Where  = {};

	if (!isPreview)
		where._status = {
			equals: 'published'
		};

	return {
		isPreview,
		where
	};
};