// ==UserScript==
// @name         aprilpooz simulator
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://www.reddit.com/robin*
// @grant        none
// ==/UserScript==

function sendMessage(message){
    $("#robinSendMessage > input[type='text']").val(message);
    $("#robinSendMessage > input[type='submit']").click();
}

function spamFilters() {
    //get a string that will pass spam filters
    var pass = false;
    var text = "";

    while (pass === false) {
        var p = true;
        text = getText();

        var upperStr = text.replace(/[A-Z]/g, '');
        var upper = text.length - upperStr.length;

        var lowerStr = upperStr.replace(/[a-z]/g, '');
        var lower = upperStr.length - lowerStr.length;

        var nonWord = lowerStr.length;

        //over 25% caps
        if ((upper / lower) > 0.25)
            p = false;

        //over 25% non words
        if ((nonWord / text.length) > 0.25)
            p = false;

        //another badword pass
        if (badWords(text) === true)
            p = false;

        if (p === true)
            pass = true;
    }

    return text;
}

function badWords(name) {
    //filter out bad words that would get caught in spam filters
    var badWord = ["nigg","fagg"];
    name = name.toLowerCase();

    for (var i=0, max=badWord.length; i < max; i++) {
        if(name.indexOf(badWord[i]) > -1)
            return true;
    }
    return false;
}

function getText() {
    //user running the script
    var self = $('div#header span.user a').html();

    //skip yourself and the system user
    var skipNames = ["[robin]",self];

    //filter out self, system, and dupe names
    var name = "";
    var filteredNames = [];
    var names = document.getElementsByClassName("robin--username");
    for (var i=0, max=names.length; i < max; i++) {
        name = names[i].innerHTML;
        if (skipNames.indexOf(name) == -1 && filteredNames.indexOf(name) == -1 && badWords(name) === false)
            filteredNames.push(name);
    }

    //add a random channel
    var channels = ["$","%","*","#","@","&","+"];
    var text = channels[Math.floor(Math.random() * channels.length)];

    //fill the string with random names
    var randomIndex = 0;
    while (filteredNames.length > 0) {
        randomIndex = Math.floor(Math.random() * filteredNames.length);

        //add a space before the name if it would put the word length over 20, to bypass some spam filters
        if (text.length - (text.lastIndexOf(" ") + 1) + filteredNames[randomIndex].length > 20)
            filteredNames[randomIndex] = " " + filteredNames[randomIndex];

        if (filteredNames[randomIndex].length <= (140 - text.length))
            text += filteredNames[randomIndex];

        filteredNames.splice(randomIndex, 1);
    }

    return text.substring(0,140);
}

setInterval(function(){
    sendMessage(spamFilters());
}, 10001);