var	debug = false,
	iframe = document.createElement('iframe'),
	script = document.createElement("script"),
	config = ,
	domain = 'https://ordering' + (debug ? '-dev' : '') + '.leafbuyer.com';

script.type = 'text/javascript';
script.src = domain + '/iframe-loader.umd.js';

document.getElementsByTagName("head")[0].appendChild(script);

function loadOrdering(cfg)
{
	if (typeof cfg === 'undefined')
		cfg = config;

	var	interval = setInterval( function() {
		if (typeof leafBuyerLoader === 'undefined')
			return;

		clearInterval(interval);

		const	tgt = document.getElementById('preorder'),
				offset = 150;

		if (tgt === 'undefined' || tgt == null)
			return;

		while (tgt.firstChild)
			tgt.removeChild(tgt.firstChild);

		const	order = leafBuyerLoader('#preorder');
if (debug) alert("loading iframe");
		order.open({
			height: '100%',
			width: '100%',
			config: cfg
		});

		order.on('resize', ({iframe, dimensions}) => {				
if (debug) alert("received event: resized");
			tgt.style.height = dimensions.height + 'px';
			var	top = tgt.getBoundingClientRect().top - offset + window.scrollY;

			if (window.scrollY > top)
			{
				if (typeof(jQuery) !== 'undefined')
					jQuery('html').animate({
						scrollTop : top
					}, 500);
				else
					window.scrollTop(jQuery('#preorder').offset().top - offset);
			}
		});

		order.on('rendered', () => {
if (debug) alert("received event: rendered");
			if (typeof orderAfterCallback !== 'undefined')
				orderAfterCallback();
		});
	}, 250);
}
window.addEventListener('DOMContentLoaded', function () {
	loadOrdering(config);
});