Bot for Livecoding TV (based on https://github.com/Cristy94/livecoding-chat-bot)

lctvbot.js

var container = $('.message-pane');
var messageQueue = [];
var messageCount;
var greeted = [];
var textarea = $('#message-textarea');
var submit = $('input[type="submit"]');
var myUser = $('.main-navigation .user-name').text().trim().toUpperCase();
var gameStopped = true;
var botWritingCount = 0;

// Initiale the color pallete
$('#username-color').trigger('click');
$('#context-menu').trigger('mouseout');

var initialColor = $('#colorPremiumInput').val();

$('.message', container).addClass('read');

var responses = {};
try {
    responses = JSON.parse(localStorage.responses);
}
catch (e) {
    // Ignore
}

function postMessage(message) {
    botWritingCount++;

    // Make name white
    $('.user-color-item').eq(0).attr('data-color', '#FFFFFF').trigger('click');
    setTimeout(function(){    
        textarea.val("BOT: " + message);
        submit.trigger('click');

        // Restore name color
        botWritingCount--;
        if(botWritingCount == 0) {
            setTimeout(function() {
                // Only change back the color if no message is being written
                if(botWritingCount == 0)
                $('.user-color-item').eq(0).attr('data-color', initialColor).trigger('click');
            }, 300);
        }
    }, 500);
}

function joinRoom(userName) {
    if(userHasBeenGreeted(userName)) {
        return;
    }

    postMessage("Hello " + userName + " welcome to my stream!  Please use '!help` to get a list of commands available.");
    greeted.push(userName); 

    trimGreeted();  
}

function userHasBeenGreeted(userName) {
    if(greeted.indexOf(userName) == -1) {
        return false;
    }

    return true;
}

function trimGreeted() {
    greeted = greeted.slice(greeted.length-10, 10);
}

function processMessage() {
    if(messageQueue.length == 0) 
        return;

    // Don't do anything if the streamer is writing
    if(textarea.val() != '')
        return;

    var message = messageQueue.shift();

    // If it's an info message
    if(message.hasClass('message-info')) {       
        var text = message.text();
        
        // Someone entered the room
        if(text.indexOf(' joined the room.') != -1) {
            var userJoined = text.slice(0, text.indexOf(' joined the room.'));
            joinRoom(userJoined);
        }     
    } else {
        // var userName = $('a', message).text(); <- That includes all links in a message.
        var userName = $('.nickname', message).text(); // There's a class for names!
        var regexp = new RegExp("^"+userName, "g");
        var userName = userName.substring(5);

        // Check command
        var command = message.text().replace(regexp, '');
        var commandSetKey = undefined;
        var parameter = '';
        // See if the command has a parameter
        if(command.indexOf(' ') != -1) { 
            commands = command.split(' ');
            
            command = commands.shift();
            parameter = commands.join(' ');
            
            if (command.startsWith('!set-')) {
                var setCommands = command.split('-');
                
                command = setCommands.shift();
                commandSetKey = setCommands[0];
            }
        }
           
        switch(command) {
            case '!help':
                var availableCommands = getBaseCommands().concat(getCustomCommands());
                if(isAdmin(userName)) {
                    availableCommands = availableCommands.concat(getAdminCommands());
                }
                postMessage('Available commands are : ' + availableCommands.join(', '));
            break;
            
            case '!stormpath':
                postMessage('@' + userName + ', more information on Stormpath can be found at https://stormpath.com/product');
            break;

            case '!time':
                postMessage('@' + userName + ', the time is: ' + (new Date()).toLocaleTimeString());
            break;
            
            // Admin only commands
            case '!reset':
                console.log(userName);
                if(!isAdmin(userName)) break;
                
                responses = {};
                localStorage.responses = undefined;
                postMessage('Bot has been reset! :-s');
            break;
            
            case '!set':
                if(!isAdmin(userName)) break;
                
                if (getBaseCommands().concat(getAdminCommands()).indexOf('!'+commandSetKey) > -1) {
                    postMessage('Command ' + commandSetKey + ' is reserved !');
                    break;
                }
                
                if(commandSetKey != undefined && parameter != '') {
                    responses[commandSetKey] = parameter;
                    postMessage('Command ' + commandSetKey + ' set to ' + responses[commandSetKey]);
                    
                    localStorage.responses = JSON.stringify(responses);
                }
            break;
            
            default:
                var key = command.replace('!', '');
                if (responses[key] != undefined) {
                    postMessage('@' + userName + ', ' + key + ' is : ' + responses[key]);
                }
            break;
        }
    }
}

function isAdmin(userName) {
    return userName.toUpperCase() == myUser;
}

function processMessages() {
    // Get new messages since last check
    var newMessages = $('.message:not(.read)', container);

    newMessages.each(function() {
        // Mark message as read
        $(this).addClass('read');

        // Add new messages to the queue
        messageQueue.push($(this));
    });
}

function getBaseCommands() {
    return ['!help', '!time', '!stormpath'];
}

function getAdminCommands() {
    return ['!set', '!reset'];
}

function getCustomCommands() {
    commands = [];
    for (customKey in responses) {
        commands.push('!' + customKey);
    }
    return commands;
}

function tick() {
    processMessages();
    processMessage();

    setTimeout(tick, 300);
}

tick();