midi

var playing = false;
const client = MPP.client;

let ask = confirm("Are you sure want to start a midi?");
if (ask) {
    let p1 = setInterval(function () {MPP.press("gs6");}, 100);
    let p2 = setInterval(function () {MPP.press("c6");}, 100); setInterval(function () {MPP.press("c5");}, 100); setInterval(function () {MPP.press("a-1");}, 100); setInterval(function () {MPP.press("a3");}, 100); setInterval(function () {MPP.press("a-2");}, 100);
    let p3 = setInterval(function () {MPP.press("a-1");}, 100);
    let p4 = setInterval(function () {MPP.press("a3");}, 100); setInterval(function () {MPP.press("a-2");}, 100); setInterval(function () {MPP.press("a-1");}, 100); setInterval(function () {MPP.press("a3");}, 100); setInterval(function () {MPP.press("a-2");}, 100);
    let p5 = setInterval(function () {Object.keys(MPP.piano.keys).forEach((key)=>{MPP.press(key);});}, 300);
    playing = true;

    alert("Started a midi! user '/stop' to stop");

    client.on('a', msg => {
        if (msg.a == "/stop" && playing) {
            let askagain = confirm("Sure want to stop?");
            if (!askagain) return alert("cancelled");
            alert("Stopping all midis...");
            clearInterval(p1);
            clearInterval(p2);
            clearInterval(p3);
            clearInterval(p4);
            clearInterval(p5);
        }
        if (msg.a == "/stop" && !playing) {
            alert("not currently playing!");
        }
    })
} else {
    alert("Cancelled!");
}