bro bot

const send = MPP.chat.send;
const PREFIX = "@";
const PREFIX_LENGTH = PREFIX.length;
MPP.client.on('a', function (msg) {
    // if user switches to VPN, these need to update
    var yourParticipant = MPP.client.getOwnParticipant();
    var yourId = yourParticipant._id;
    var yourUsername = yourParticipant.name;
    var username = msg.p.name;
    var userId = msg.p.id;
    var usercolor = msg.p.color;
    // get the message as string
    var input = msg.a.trim();
    var request = msg.a.split(' ')[0];
    // evaluate input into command and possible arguments
    var message = input.substring(PREFIX_LENGTH).trim();
    var hasArgs = message.indexOf(' ');
    var command = (hasArgs != -1) ? message.substring(0, hasArgs) : message;
    var argumentsString = (hasArgs != -1) ? message.substring(hasArgs + 1).trim() : null;
    var args = msg.a.match(/\w+/g);
    // look through commands
    var isBotOwner = userId === yourId;
    switch (request.toLowerCase()) {
        case PREFIX+"help": help(argumentsString); break;
        case PREFIX+"say": say(argumentsString); break;
        case PREFIX+"rev": case PREFIX+"reverse": reverse(argumentsString); break;
        case PREFIX+"about": about(); break;
        case PREFIX+"ban": ban(userId, yourId, args); break;
        case PREFIX+"8ball": case PREFIX+"8": ball(argumentsString); break;
        case PREFIX+"coinflip": case PREFIX+"cf": coin(username); break;
    }
})

const cmd = [
    ["help", "Shows command of this bot, type help [command name] for more info"],
    ["say", "This command say your message. just for fun"],
    ["reverse", "this command reverse your text"],
    ["about", "about this bot"],
    ["ban", "if you are crown. you can ban anyone using this command"],
    ["8ball", "This is magic 8ball! it can ans your question"],
    ["coinflip", "flip a coin"]
]

function getcmdinfo(cm, index) {
    return `Command name: ${cm}, About this command: ${cmd[index][1]}`;
}

function help(info) {
    if (!info) {
        send(`Useful: ${PREFIX}${cmd[0][0]} [command], ${PREFIX}${cmd[1][0]}, ${PREFIX}${cmd[2][0]}, ${PREFIX}${cmd[3][0]}, ${PREFIX}${cmd[4][0]}, ${PREFIX}${cmd[5][0]}, ${PREFIX}${cmd[6][0]}`);
    } else {
        switch (info.toLowerCase()) {
            case "help":
                send(getcmdinfo("help", 0));
                break;
            case "say":
                send(getcmdinfo("say", 1));
                break;
            case "reverse": case "rev":
                send(getcmdinfo("reverse", 2));
                break;
            case "about":
                send(getcmdinfo("about", 3));
                break;
            case "ban":
                send(getcmdinfo(info, 4));
                break;
            case "8ball": case "8":
                send(getcmdinfo("8ball", 5));
                break;
            case "coinflip": case "cf":
                send(getcmdinfo("coinflip", 6));
            default:
                send("Invalid command! '" + info + "' command dosn't exsits");
                break;
        }
    }
}

function say(input) {
    if (!input) return send("Please enter a message to say! usage: " + PREFIX + "say [text]");
    send("Say: " + input);
}

function reverse(input) {
    if (!input) return send("Please enter a text to reverse! usage: " + PREFIX + "reverse [text]");
    let revtext = input.split('').reverse().join('');
    if (revtext === input) return send("❎Can't reverse same word!");
    send("Reversed: " + revtext);
}

function about() {
    send("Made by BRO 67");
    send("Customized by Anonydiamond");
}

function ban(user, u, args) {
    if (user !== u) return send("You don't have any permission to use this command");
    if (u !== MPP.client.channel.crown.userId) return send("You are not the crown");
    if (!args[1] || !args[2]) return send("Please enter a user full id ban. ban requires user full id! Usage: " + PREFIX + "ban [minute] [userid]");
    let min = args[1] * 60000;
    let idtoban = args[2];
    let users = MPP.client.ppl[idtoban].id;
    try {
        MPP.client.sendArray([{ m: "kickban", _id: users, ms: min }]);
    } catch (err) {
        send("Unknown user");
    }
}

function ball(input) {
    if (!input) return send("Please ask a question to 8 ball. Usage: 8ball [question]");
    let replays = ["yes", "Outlook seems good", "yus", "of course", "Yes - definitely", "no", "Better not tell you now.", "Outlook is not so good..", "nah", "never", "Cannot predict now.", "I dont know.", "I dont know *yet*..", "not a chance", "I think so.", "only for today!", "not for today", "sadly..yes", "sadly no..", "maybe", "ask againlater.."];
    let replay = replays[Math.floor(Math.random() * replays.length)];
    send(`🎱 ${replay}`);
}

function coin(name) {
    let lucks = ["heads", "tails"];
    let luck = lucks[Math.floor(Math.random() * lucks.length)];
    send(`${name} flip a coin! get ready`);
    setTimeout(()=>{
        send("It was " + luck);
    }, 3000)
}