var socket;
init_websocket();

onmessage = ww_onmessage;
function ww_onmessage(event) {
	socket.send_event(event.data[0], event.data[1]);
}

/* Websocket setup */
function init_websocket() {
	let _socket;
	_socket = new WebSocket('wss://' + self.location.hostname + '/scorch/ws');
	_socket.send_event = ws_send_event;
	_socket.onopen = ws_onopen;
	_socket.onmessage = ws_onmessage;
	_socket.onclose = ws_onclose;
	_socket.onerror = ws_onerror;
	self.socket = _socket;
}

function ws_send_event(event_title, data) {
	data = JSON.stringify({'event': event_title, 'data': data});
	if (this.readyState == 0) {
		console.log("Websocket not ready.");
		return;
	}
	//console.log("Sending `" + event_title + "` event with following data: " + JSON.stringify(data));
	this.send(data);
}

function ws_onopen(event) {
	console.log('Websocket connected to server.');
}

function ws_onmessage(event) {
	postMessage(event.data);
}

function ws_onclose(event) {
	console.log('Websocket lost connection to server.');
	if (event.wasClean) { return; } // no need to reconnect
	console.log('Connection break was unclean. Attempting to reconnect...');
	self.setTimeout(init_websocket, 3000);
}

function ws_onerror(event) {
	console.log("Websocket encountered an error.");
}