// ==UserScript==
// @name         Trade History Button
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Adds a button that redirects you to previous trades with the user
// @author       You
// @match        https://www.chickensmoothie.com/trades/edittrade.php?*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=chickensmoothie.com
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    // Get all elements with the class "header"
    const headers = document.getElementsByClassName("header");

    // Ensure there are at least 2 headers
    if (headers.length < 2) {
        console.error("Not enough headers found.");
        return;
    }

    // Use header[1] if there are 3 headers, otherwise use header[0]
    const targetHeader = (headers.length === 3) ? headers[1] : headers[0];
    const p = targetHeader.innerText;

    // Extract the username
    const x = p.slice(22, -1);

   // Encode the username to handle special characters like '+'
    const encodedUsername = encodeURIComponent(x);

    // Create the trade link
    const tradeLink = "https://www.chickensmoothie.com/trades/tradingcenter.php?partner=" + encodedUsername;

    // Create a button
    var btn = document.createElement("button");
    btn.innerHTML = "Trade History";
    btn.onclick = () => window.open(tradeLink);

    // Append the button at the end of the target header
    targetHeader.appendChild(btn);

})();