// ==UserScript==
// @name         标记已点击链接(会话版)
// @description  点击链接变暗并添加波浪线，标记会保存直到标签页关闭
// @version      2.9
// @author       WJ
// @match        *://*/*
// @license      MIT
// @grant        none
// @namespace https://greasyfork.org/users/914996
// @downloadURL none
// ==/UserScript==

(function() {
    // 加载存储的标记链接
    const marked = JSON.parse(sessionStorage.xMarkedLinks || '{}');

    // 标准化URL（核心简化版）
    const normalizeUrl = url => {
        try {
            const u = new URL(url);
            u.hash = '';
            return u.href;
        } catch {
            return url;
        }
    };

    // 标记链接样式
    const markLink = a => {
        a.style.cssText = 'text-decoration:underline wavy #00CED1; opacity:0.5';
    };

    // 标记所有匹配链接
    const markAll = url => {
        const normUrl = normalizeUrl(url);
        marked[normUrl] = true;
        sessionStorage.xMarkedLinks = JSON.stringify(marked);
        
        document.querySelectorAll('a[href]').forEach(a => {
            if (normalizeUrl(a.href) === normUrl) markLink(a);
        });
    };

    // 初始化标记
    const init = () => {
        Object.keys(marked).forEach(url => {
            document.querySelectorAll('a[href]').forEach(a => {
                if (normalizeUrl(a.href) === url) markLink(a);
            });
        });
    };

    // 动态内容检测
    new MutationObserver(init).observe(document, {
        childList: true,
        subtree: true
    });

    // 页面加载后初始化
    document.addEventListener('DOMContentLoaded', init);

    // 点击处理
    document.addEventListener('click', e => {
        const a = e.target.closest('a[href]');
        if (!a || marked[normalizeUrl(a.href)]) return;
        
        if (!a.closest(`
            nav, .nav, .navbar, .navigation,
            .menu, .menubar, .breadcrumb, header,
            .header, footer, .footer, .pagination, .tabs,
            .tabbar, .sidebar, .aside, #sidebar, #aside,
            [role="navigation"], [role="menu"], [role="tablist"], [role="banner"]
        `)) {
            markAll(a.href);
        }
    }, true);
})();