// ==UserScript==
// @name         Pomocnik Bazarowicza
// @namespace    http://tampermonkey.net/
// @version      0.2.0
// @description  Pomaga zarządzać swoimi ofertami sprzedaży na bazar.lowcygier.pl / Helps managing offers at bazar.lowcygier.pl
// @author       nochalon
// @match        https://bazar.lowcygier.pl/offer/my*
// @icon         https://bazar.lowcygier.pl/favicon.ico
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    var re = /\d+\.\d+ zł/g;
    var ths = document.querySelectorAll(".fa.fa-usd.icon-sm");
    for (var i = 0; i < ths.length; i++) {
        var originalText = ths[i].getAttribute("title");
        if (originalText === null || originalText == "") {
            originalText = ths[i].getAttribute("data-original-title");
        }
        var content = originalText.match(re);
        var lowestPrice = document.createElement("div");
        lowestPrice.innerHTML = content;
        lowestPrice.classList.add("trader");
        var priceElem = ths[i].parentNode.parentNode.parentNode.querySelectorAll(".prc-offert")[0];
        var myPrice = document.createElement("div");
        var myPriceVal = parseFloat(priceElem.innerHTML);
        var lowestPriceVal = parseFloat(content);
        var difference = myPriceVal - lowestPriceVal + 0.5;

        var color = 255 * (difference / myPriceVal);
        var factor = 0.9;
        if (difference >= myPriceVal * 0.5) {
            myPrice.style.color= "rgb(" + color + "," + (255 - factor * color) + "," + (255 - factor * color) + ")";
        } else {
            myPrice.style.color= "rgb(" + (factor * color) + "," + (255 - color) + "," + (factor * color) + ")";
        }
        myPrice.innerHTML = priceElem.innerHTML;
        priceElem.innerHTML = "";
        priceElem.appendChild(myPrice);
        priceElem.appendChild(lowestPrice);
    }
})();