// ==UserScript==
// @name         Mann Co. Store Giveaway Autojoiner
// @namespace    http://tampermonkey.net/
// @version      2026-08-20
// @description  Tries to join giveaways on page load
// @author       Abhorrent_Anger
// @include      /^https?:\/\/mannco\.store\/giveaways.?$/
// @icon         https://www.google.com/s2/favicons?sz=64&domain=mannco.store
// @grant        GM_xmlhttpRequest
// @require https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
// @require https://cdn.jsdelivr.net/gh/CoeJoder/waitForKeyElements.js@v1.3/waitForKeyElements.js
// @run-at document-end
// ==/UserScript==

setTimeout(function () { location.reload(); }, 90 * 60 * 1000);

waitForKeyElements('.giveaways__content', () => {
    setTimeout(function () {
        $('.giveaways-list-item:not(.giveaways-list-item--joined)').each(function () {
            let giveawayURL = $(this).attr('href');
            let giveaway = /[^/]*$/.exec(giveawayURL)[0];
            let giveawayJoinURL = 'https://api.mannco.store/giveaways/join/' + giveaway;

            let bearerToken = getTokenFromCookie('auth');
            let csrfToken = getTokenFromCookie('csrf');

            let xJoin = new GM_xmlhttpRequest({
                method: 'POST',
                url: giveawayJoinURL,
                headers: { 'Authorization': 'Bearer ' + bearerToken, 'X-Csrf-Token': csrfToken },
                onreadystatechange: function (response) {
                    if (response.readyState == 4 && response.status == 200) {
                        console.log('Successfully joined ' + giveaway, response.response);
                    } else {
                        console.log("Couldn't join " + giveaway, response);
                    }
                }
            });
        });
        console.log('Done with giveaway join attempts');
    }, 2000);
});

const getCookieValue = (name) => (
    document.cookie.match('(^|;)\\s*' + name + '\\s*=\\s*([^;]+)')?.pop() || ''
)

function getTokenFromCookie(tokenName) {
    let tokenArray = getCookieValue(tokenName);
    let decodedTokenArray = decodeURIComponent(tokenArray);
    if (typeof decodedTokenArray !== 'string' || !decodedTokenArray) {
        return false;
    }
    let array = JSON.parse(decodedTokenArray);
    if (Array.isArray(array)) {
        return array['token'];
    }
    return false;
}