var smf_lastNews = Date.now() / 1000;

var smf_getNews = function () {
	var url = window.location.origin + "/forum/?action=.js;limit=1";
	var xmlhttp = new XMLHttpRequest();
	xmlhttp.onreadystatechange = function() {
		if (xmlhttp.readyState==4 && xmlhttp.status==200) {
			var posts = [];
			try {
				posts = eval("("+xmlhttp.responseText+")");
			} catch (e) {};
			if (posts[0].timestamp > smf_lastNews) {
				localStorage.setItem("newPost", true);
				if (document.getElementById("boardindex_table")) {
					document.location.reload();
					return;
				}
			}
			if (localStorage.getItem("newPost") == "true") {
				localStorage.setItem("newPost", false);
				smf_lastNews = posts[0].timestamp;
				document.title += " (neuer Beitrag)";
				if (localStorage.getItem("notification.permission") != "false") {
					if (Notification.permission == "granted") {
							function decodeHtml(html) {
								var txt = document.createElement("textarea");
								txt.innerHTML = html;
								return txt.value;
							}
							var notification = new Notification("MLD Forum", {
							icon: document.getElementById('favicon').href,
							body: "Neuer Post zum Thema:\n" + decodeHtml(posts[0].subject),
						});
						notification.onclick = function () {
							document.location.href = posts[0].link;
						};
					} else if (Notification.permission != "denied") {
						Notification.requestPermission(function(result) {
							smf_getNews();
						});
					}
				}
			}
		}
	}
	xmlhttp.open("GET", url, true);
	xmlhttp.send();
}


window.setInterval(smf_getNews, 1000*60);
if (localStorage.getItem("newPost") == "true") {
	window.setTimeout(smf_getNews, 1000);
} else {
	// Testing
	//smf_lastNews = 0; window.setTimeout(smf_getNews, 1000*5);
}