MPP name displays uptime

var msep = " minute";
var ssep = " second";
var hsep = " hour";
var uname = "Uptime ";
var seconds = 0;
var minutes = 0;
var hours = 0;
var sp = "s.";
var mp = "s, ";
var hp = "s, ";
function updateName(name) {
    MPP.client.sendArray([{ m: "userset", set: { name: name } }])
};
var foo = setInterval(function() {
    seconds++;
    if(seconds < 0) {
        uname = "";
        returning = "";
        msep = "RIP";
        clearInterval(foo);
    };
    if(seconds >= 60) {
        seconds = 0;
        minutes++;
    };
    if(minutes >= 60) {
        minutes = 0;
        hours++;
    }
    if(seconds == 1) { sp = "." } else { sp = "s." };
    if(minutes == 1) { mp = ", " } else { mp = "s, " };
    if(hours == 1) { hp = ", " } else { mp = "s, " };
    var newName = hours + hsep + hp + minutes + msep + mp + seconds + ssep + sp;
    updateName(`${uname} ${newName}`);
}, 1000);