// ==UserScript==
// @name         Content Script - SteamGifts Giveaways
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Content script for retrieving table column headings from SteamGifts Giveaways page
// @author       Your Name
// @match        https://www.steamgifts.com/giveaways/entered
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    console.log('Content script loaded.');

    // Create the result display
    const resultDisplay = document.createElement('div');
    resultDisplay.style.position = 'fixed';
    resultDisplay.style.left = '10px';
    resultDisplay.style.bottom = '50px';
    resultDisplay.style.zIndex = '9999';
    resultDisplay.style.backgroundColor = 'white';
    resultDisplay.style.padding = '10px';
    resultDisplay.style.border = '1px solid #ccc';
    resultDisplay.style.overflow = 'auto';
    resultDisplay.style.maxHeight = '300px';
    document.body.appendChild(resultDisplay);

    // Listen for messages from the background script
    window.addEventListener('message', event => {
        if (event.source !== window) return;
        if (event.data.type && event.data.type === 'SG_COLUMN_HEADINGS_RESULT') {
            console.log('Received column headings result from background script.');
            // Update the result display with the retrieved column headings
            resultDisplay.textContent = event.data.headings;
        }
    });

})();