(Google Play Points) Check Availability

Checks if the weekly Google Play reward is ready to be claimed.
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// ==UserScript==
// @name            (Google Play Points) Check Availability
// @name:de         (Google Play Points) Verfügbarkeit Prüfen
// @description     Checks if the weekly Google Play reward is ready to be claimed.
// @description:de  Prüft, ob die wöchentliche Google Play Prämie zum Einlösen bereit ist.
// @version         0.0.1.2
// @author          JAS1998 (https://greasyfork.org/users/4792)
// @copyright       2024+, JAS1998
// @namespace       https://greasyfork.org/users/4792
// @license         CC BY-NC-ND 4.0; http://creativecommons.org/licenses/by-nc-nd/4.0/
// @icon            https://www.gstatic.com/android/market_images/web/favicon_v3.ico
//
// @include         *
// @noframes
// @run-at          document-idle
//
// @grant           GM_notification
// @grant           GM_xmlhttpRequest
// @grant           GM_registerMenuCommand
// @grant           GM_setValue
// @grant           GM_getValue
//
// @compatible      Chrome tested with Tampermonkey
// @contributionURL https://www.paypal.com/donate?hosted_button_id=9JEGCDFJJHWU8
// @contributionAmount €1.00
// ==/UserScript==

(function() {
    'use strict';

    const _vault = "4792";
    const _isOriginal = GM_info.script.namespace.includes(_vault);
    const _originalURL = "https://greasyfork.org/scripts/493895";
    const _authorName = GM_info.script.author.split('(')[0].trim();

    const perksUrl = "https://play.google.com/store/points/perks";

    const checkProtection = () => {
        if (!_isOriginal) {
            alert("Please install the Original Version");
            window.location.href = _originalURL;
            return false;
        }
        return true;
    };

    function runCheck() {
        if (!checkProtection()) return;

        const today = new Date().toDateString();

        if (GM_getValue("lastSuccessfulClaimCheck") === today) {
            return;
        }

        GM_xmlhttpRequest({
            method: "GET",
            url: perksUrl,
            anonymous: false, 
            onload: function(response) {
                let parser = new DOMParser();
                let doc = parser.parseFromString(response.responseText, "text/html");

                const buttons = Array.from(doc.querySelectorAll("button"));
                const claimButton = buttons.find(btn => 
                    btn.textContent.includes("Einlösen") || btn.textContent.includes("Claim")
                );

                if (claimButton) {
                    const isDisabled = claimButton.hasAttribute('disabled') || 
                                       claimButton.getAttribute('aria-disabled') === 'true' ||
                                       claimButton.classList.contains('disabled');

                    if (!isDisabled) {
                        GM_notification({
                            title: "Google Play Points",
                            text: "Your weekly reward is available! Click here to claim it.",
                            image: "https://www.gstatic.com/images/branding/product/2x/google_play_96dp.png",
                            onclick: function() {
                                window.open(perksUrl, "_blank");
                            }
                        });
                    }
                } else {
                    const html = response.responseText;
                    if (html.includes("Prämie") || html.includes("Gold") || html.includes("Reward")) {
                        GM_setValue("lastSuccessfulClaimCheck", today);
                    }
                }
            }
        });
    }

    let lastExecution = GM_getValue("lastCheckTimestamp", 0);
    let currentTime = Date.now();

    if (currentTime - lastExecution > 1000 * 60 * 60 * 24) {
        GM_setValue("lastCheckTimestamp", currentTime);
        runCheck();
    }

    GM_registerMenuCommand("⭐ Check Play Points", function() {
        runCheck();
    });

    GM_registerMenuCommand("🎁 Donate", function () {
        alert(`Hello, I'm ${_authorName}\nand I wrote this script as a hobby.\nIf you find it useful, I would appreciate a small donation! =)`);
        window.open("https://www.paypal.com/donate?hosted_button_id=9JEGCDFJJHWU8", "_blank");
    });

    if (_isOriginal) {
        console.log(`%c ${GM_info.script.name} v${GM_info.script.version} %c (Verified Original)`, 
                    "background: #f44336; color: white; font-weight: bold; padding: 2px 5px;", "color: #f44336;");
    }

})();