// ==UserScript==
// @name         4khd 广告屏蔽
// @namespace    https://viayoo.com
// @version      0.46
// @description  移除4khd广告
// @author       Via
// @license      MIT
// @match        *://*.4khd.com/*
// @match        *://*.xxtt.ink/*
// @match        *://*.uuss.uk/*
// @run-at       document-start
// @grant        unsafeWindow
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    const AD_SELECTORS = '.exo_wrapper,.popup,.centbtd,.exo-native-widget,.exo-native-widget-outer-container,ins[data-processed="true"],.popup-iframe,ins.adsbynetwork,.wb-contai';
    GM_addStyle(`${AD_SELECTORS}{display:none !important}`);

    const BLOCK_PATTERNS = [/magsrv|pemsrv|ad-provider|exoclick|ads?[0-9]*\.|popunder|venor|popup/i];

    ['AdProvider', 'adConfig', 'popMagic', 'RocketBrowser', 'exoclick'].forEach(prop => {
        Object.defineProperty(unsafeWindow, prop, {
            value: [],
            writable: false
        });
    });

    location.reload = () => false;

    const shouldBlock = url => BLOCK_PATTERNS.some(p => p.test(url));

    window.fetch = new Proxy(window.fetch, {
        apply(target, thisArg, args) {
            const url = args[0]?.url || args[0];
            return shouldBlock(url) ? Promise.resolve(new Response()) : target.apply(thisArg, args);
        }
    });

    XMLHttpRequest.prototype.open = new Proxy(XMLHttpRequest.prototype.open, {
        apply(target, thisArg, args) {
            return shouldBlock(args[1]) ? (thisArg._blocked = true) : target.apply(thisArg, args);
        }
    });

    window.open = new Proxy(window.open, {
        apply(target, thisArg, args) {
            return shouldBlock(args[0]) ? null : target.apply(thisArg, args);
        }
    });

    unsafeWindow.addEventListener = new Proxy(unsafeWindow.addEventListener, {
        apply(target, thisArg, [type, listener]) {
            return type === "load" && listener.toString().includes("popMagic") ? undefined : target.apply(thisArg, arguments);
        }
    });

    unsafeWindow.document.querySelector = new Proxy(unsafeWindow.document.querySelector, {
        apply(target, thisArg, [selector]) {
            return selector === "[disable-devtool-auto]" ? null : target.apply(thisArg, arguments);
        }
    });

    document.createElement = new Proxy(document.createElement, {
        apply(target, thisArg, [tagName]) {
            const el = target.apply(thisArg, arguments);
            if (tagName === 'iframe') Object.defineProperty(el, 'src', {
                set() {}
            });
            if (tagName === 'a') el.click = () => {};
            return el;
        }
    });

    const clean = () => {
        document.querySelectorAll(AD_SELECTORS).forEach(el => el.remove());
        document.querySelectorAll('iframe').forEach(iframe => {
            if (shouldBlock(iframe.src) || getComputedStyle(iframe).position === 'fixed') iframe.remove();
        });
        ['storedResult', 'inData', 'extranks', 'Better'].forEach(key => localStorage.removeItem(key));
    };

    new MutationObserver(() => clean()).observe(document, {
        childList: true,
        subtree: true,
        attributes: true
    });

    document.readyState === 'loading' ? document.addEventListener('DOMContentLoaded', clean) : clean();
})();