let state = 0;
let ports = [];
let notify_socket;

function tryConnect(){
    if(self.WebSocket === undefined){
        console.log("no websocket support");
        return;
    }
    if (!notify_socket || notify_socket.readyState !== WebSocket.OPEN) {
        const scheme = location.protocol === "https:" ? "wss" : "ws";
        notify_socket = new WebSocket(scheme + '://' + location.host + '/ws/2/notify/');
        notify_socket.onopen = (e) => {
            console.log("open", JSON.stringify(e));
        };
        notify_socket.onclose = (e) => {
            console.log("close", JSON.stringify(e));
            setTimeout(() => {
                tryConnect();
            }, 1000);
        };
        notify_socket.onerror = (e) => {
            console.log("error", JSON.stringify(e));
            setTimeout(() => {
                tryConnect();
            }, 1000);
        };
        notify_socket.onmessage = (e) => {
            let data = JSON.parse(e.data);
            console.log("message", data);
            //this.loadEventItems()
            //this.loadTickets()
        }
    }
}

onconnect = function (e) {
    const port = e.ports[0];
    ports.push(port);
    port.onmessage = function (e) {
        state = state + 1;
        for (let i = 0; i < ports.length; i++) {
            ports[i].postMessage({d: e.data, s: state, n: ports.length});
        }
    }
    port.start();
    console.log("worker connected", JSON.stringify(e));
    tryConnect();
}