// ==UserScript==
// @name         (Choco)
// @namespace    g
// @version      1.0
// @description  Automatically highlights profitable items in Neopets stores.
// @author       Me
// @match        http://www.neopets.com/objects.phtml?type=shop&obj_type=14
// @grant        none
// ==/UserScript==

(function() {

    var patterns = [], classes = [];

    /*    The following define the classes of words.  If the first
    character of the specification is "=", the match will be
    case-sensitive, otherwise it will be case-insensitive.
    The specification is a regular expression, and should
    contain metacharacters to handle variant spellings and
    plurals.  Any grouping within these patterns *must* be done
    with a (?: ... ) specification to avoid messing up the
    capture from the text string.

    You may add additional categories as you wish, but be sure to
    declare their rendering in the style definition below.  */

    //    Rendering styles for our various word classes

    addGlobalStyle('span.blank { background-color: #ffffff; color: #ffffff } ' +
           'span.yellow { background-color: #000000; color: #fdff00; border-style: dotted; font-size: 13px; } ' +
           'span.green { background-color: 	#FFA500; color: #ffffff; border-style: dotted; border-color: black; font-size: 25px; } ' +
                 'span.red { background-color: #ff1a00; color: #000000; border-style: dotted; font-size: 18px; } ' );

    // BLANK items. Items in this list will appear as white on white and be functionally invisible.

    defwords([
"x"
        ], "blank");

    //    RED words. These items are black background with red text.

    defwords([
             "Adorably Pink Lollypop",
"Inflation Notice Caramel and Custard Drops",
"Caramel and Custard Drops",
"Gummy Green Grundo",
"Milk Chocolate Orange",
"Pink Quiggle Candy Floss",
"Angry Candy",
"Hazelnut Whirl",
"Striped Cybunny Lollypop",
"Cloud Kougra Lollypop",
"Sugar Tonu Skull",
"Usukicon Y10 Gummies",
"Orange Blumaroo Lollypop",
"Yummy Drops",
"Holiday Bell Chocolate Advent Calendar",
"Creamy Choccywhip",
"Scorchio Cotton Candy",
"Chocolate Dr Sloth",
"Cherry Meerca Gobstopper",
"Neopets 8th Birthday Lollypop",
"Omnipotent Onion Grarrl Gobstopper",
"Peachpa Easter Negg",
"Spooky Flying Doughnut",
"Snowflake Chocolate Advent Calendar",
"Chocolate Cybunny Negg",
"Strawberry Swirl Easter Negg",
"Plushie Mynci Lollypop",
"Super Spicy Jelly Beans",
"Fruity Faerie Easter Negg",
"Combomelon Easter Negg",
"Dancing Daisy Easter Negg",
"Draik Sugar Skull",
"Choccy Corn",
"Chocolate Peach",
"Lovely Lime Easter Negg",
"Chocolate Maractite Coins",
"Large Swirly Chocolate Cybunny",
"Lemon Sherbert Easter Negg",
"Gnorbu Gum",
"Orange Chocolate Gelert",
"Cherry Mootix Lollypop",
"Orange Scoach Lolly",
"Apple and Custard Drops",
"King Skarl Candy",
"Usuki Mints",
"Usukicon Y9 Hard Candy",
"Kikopop"
                ],
    "red");

    //    YELLOW words. Black background, yellow text.

    defwords([
        "Bullseyes",
"Mint Chocolate Peophin",
"Minty Choccywhip",
"Neopia Lollypop",
"Jazzmosis Seasonal Candy Cane",
"Halloween Aisha Fizzbomb",
"Cherry Aboogala Lolly",
"Neverending Jar of Jellybeans",
"Seasonal Dr. Sloth Truffles",
"Sugar Moehog Skull",
"Artificially Flavoured Banana Snacks",
"Banana Jelly Flotsam",
"Chocolate Jeran",
"Milk Chocolate Uni",
"King Altador Pop",
"Grape Gummy Slorg",
"Kau Sundae",
"Miniature Chocolate Chocolate Factory",
"Kougra Sugar Skull",
"Dark Chocolate Skeith",
"Rainbow Twist Lollipop",
"Gnorbu Lollipop",
"Lost City Lanes Lime Gobstopper"
         ],
    "yellow");

        //    GREEN words. Black background, green text.

    defwords([
       "Lemon and Lime Easter Negg",
"Rainbow Candy Floss",
"Pretty Pink Easter Negg",
"Strawberries and Cream Easter Negg",
"Apple Moquot Lollypop",
"Inflation Notice Spotted Easter Negg",
"Spotted Easter Negg",
"Chocolate Crown of the Faeries",
"Luxury Chocolate Easter Negg",
"Candy Cane Chocolate Advent Calendar",
"Inflation Notice Chocolate Orange Easter Negg",
"Chocolate Orange Easter Negg",
"Deluxe Strawberry Toffee Chokato",
"Inflation Notice Fishy Delight Grarrl Gobstopper",
"Fishy Delight Grarrl Gobstopper",
"Inflation Notice Milk Chocolate Birthday Nova",
"Milk Chocolate Birthday Nova",
"Gummy Speckled Scorchio",
"White Chocolate Birthday Nova",
"Gummy Robot Mynci",
"Holly Bonbons",
"Mega Ultra Strawberry Fondant",
"Lemon 9th Birthday Lollipop",
"Marshmallow Plumpy",
"Gold Shoyru Lollypop",
"Plushie JubJub Lollypop",
"Speckled Acara Lollypop",
"Pink Bruce Lollypop",
"Plushie Wocky Lollypop",
"Blueberry 9th Birthday Lollipop",
"Chocolate Stamp",
"Usuki Lollypop",
"ErgyFruit Jelly Beans",
"Halloween Kacheek Chocolate Lollypop",
"Chocolate Ruki Kit",
"Gummy Pink Elephante",
"Gummy Spotted Cybunny",
"Neotruffle",
"Inflation Notice Starry Grundo Lollypop",
"Starry Grundo Lollypop",
"Mynci Halloween Caramel Apple",
"Illusen Jelly Beans",
"Cinnamon Scorchio Lollypop",
"Chocolate Crown of Sinsi",
"Mynci Mallows",
"Orange Lightmite Lollypop",
"Grape 9th Birthday Lollipop",
"Neopets 8th Birthday Candies",
"Chocolate Advent Calendar"
         ],
    "green");

    //    Add one or more words to the dictionary with a specified class

    function defwords(words, which_class) {
    for (var i = 0; i < words.length; i++) {
        var w = words[i].replace(/^=/, "");
        patterns.push(new RegExp("([^a-zA-Z])(" + w + ")([^a-zA-Z])",
        words[i].match(/^=/) ? "g" : "gi"));
        classes.push(which_class);
    }
    }

    //    Quote HTML metacharacters in body text

    function quoteHTML(s) {
    s = s.replace(/&/g, "&amp;");
    s = s.replace(/</g, "&lt;");
    s = s.replace(/>/g, "&gt;");
    return s;
    }

    //    Add one or more CSS style rules to the document

    function addGlobalStyle(css) {
    var head, style;
    head = document.getElementsByTagName('head')[0];
    if (!head) {
        return;
    }
    style = document.createElement('style');
    style.type = 'text/css';
    style.innerHTML = css;
    head.appendChild(style);
    }

    //    Apply highlighting replacements to a text sequence

    var curpat;             // Hidden argument to repmatch()
    var changes;            // Number of changes made by repmatch()

    function repmatch(matched, before, word, after) {
    changes++;
    return before + '<span class="' + classes[curpat] + '">' + word + '</span>' + after;
    }

    function highlight(s) {
    s = " " + s;
    for (curpat = 0; curpat < patterns.length; curpat++) {
        s = s.replace(patterns[curpat],
            repmatch);
    }
    return s.substring(1);
    }

    //    We only modify HTML/XHTML documents
    if (document.contentType &&
        (!(document.contentType.match(/html/i)))) {
        return;
    }

    // Highlight words in body copy

    var textnodes = document.evaluate("//body//text()", document, null,
        XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);

    for (var i = 0; i < textnodes.snapshotLength; i++) {
    var node = textnodes.snapshotItem(i);
    /* Test whether this text node appears within a
       <style>, <script>, or <textarea> container.
       If so, it is not actual body text and must
       be left alone to avoid wrecking the page. */
    if (node.parentNode.tagName != "STYLE" &&
        node.parentNode.tagName != "TEXTAREA" &&
        node.parentNode.tagName != "SCRIPT") {
        /* Many documents have large numbers of empty text nodes.
           By testing for them, we avoid running all of our
           regular expressions over a target which they can't
           possibly match. */
        if (!(node.data.match(/^\s*$/))) {
        var s = " " + node.data + " ";
        changes = 0;
        var d = highlight(quoteHTML(s));
        if (changes > 0) {
            var rep = document.createElement("span");
            rep.innerHTML = d; //.substring(1, d.length - 1);
            node.parentNode.replaceChild(rep, node);
        }
        }
    }
    }

})();