// ==UserScript==
// @name         飞书文档标题复制助手Plus
// @namespace    http://tampermonkey.net/
// @version      3.0
// @description  让飞书文档更好用：添加标题和时间、解除复制限制、支持右键菜单
// @author       微信11208596
// @match        *://*.feishu.cn/*
// @match        *://*.larkoffice.com/*
// @grant        none
// @run-at       document-start
// @license      UNLICENSED
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    // 覆盖事件监听器以处理复制和右键菜单事件
    const overrideEventListeners = () => {
        const rawAddEventListener = EventTarget.prototype.addEventListener;
        EventTarget.prototype.addEventListener = function (type, listener, options) {
            if (type === 'copy') {
                rawAddEventListener.call(this, type, event => {
                    event.stopImmediatePropagation();
                    return null;
                }, options);
                return;
            }
            if (type === 'contextmenu') {
                rawAddEventListener.call(this, type, event => {
                    event.stopImmediatePropagation();
                    return listener(event);
                }, options);
                return;
            }
            rawAddEventListener.call(this, type, listener, options);
        };
    };

    // 覆盖XMLHttpRequest以修改权限响应
    const overrideXHR = () => {
        const rawOpen = XMLHttpRequest.prototype.open;
        XMLHttpRequest.prototype.open = function (method, url, ...rest) {
            this.addEventListener('readystatechange', function () {
                if (this.readyState === 4 && url.includes('space/api/suite/permission/document/actions/state/')) {
                    let response = this.responseText;
                    try {
                        response = JSON.parse(response);
                        if (response.data && response.data.actions && response.data.actions.copy !== 1) {
                            response.data.actions.copy = 1;
                            Object.defineProperty(this, 'responseText', { value: JSON.stringify(response) });
                            Object.defineProperty(this, 'response', { value: response });
                        }
                    } catch (e) {
                        console.log('修改响应失败:', e);
                    }
                }
            }, false);
            rawOpen.call(this, method, url, ...rest);
        };
    };

    // 获取格式化的当前时间
    function getFormattedTime() {
        const now = new Date();
        const year = now.getFullYear();
        const month = String(now.getMonth() + 1).padStart(2, '0');
        const day = String(now.getDate()).padStart(2, '0');
        const hours = String(now.getHours()).padStart(2, '0');
        const minutes = String(now.getMinutes()).padStart(2, '0');
        return `${year}-${month}-${day} ${hours}:${minutes}`;
    }

    // 处理链接
    function processLink(link) {
        return link.split('?')[0];
    }

    // 格式化文本
    function formatText(title, link) {
        return `📄 文件「${title}」\n🔗 链接：\n${processLink(link)}\n🕐 时间「${getFormattedTime()}」\n💡 文件已分享，欢迎查阅，有任何问题都可以随时交流~`;
    }

    // 在文档加载完成后添加复制助手功能
    document.addEventListener('DOMContentLoaded', () => {
        // 监听复制事件
        document.addEventListener('copy', function(e) {
            try {
                const text = window.getSelection().toString();
                if (!text || !text.includes('feishu.cn/')) return;

                const title = document.title.split(' - ')[0].trim();
                if (!title || text.includes(title)) return;

                e.preventDefault();
                e.clipboardData.setData('text/plain', formatText(title, text));

                console.log('已添加标题和时间到链接');
            } catch (err) {
                console.log('复制处理出错:', err);
            }
        });

        // 监听点击事件
        document.addEventListener('click', function(e) {
            const target = e.target;
            if (!target) return;

            if (target.textContent?.includes('复制链接') ||
                target.closest('.lark-link-entry-v2__copylink') ||
                target.closest('[data-test-id="copy-share-link"]')) {

                setTimeout(function() {
                    try {
                        const title = document.title.split(' - ')[0].trim();
                        if (!title) return;

                        navigator.clipboard.readText().then(function(text) {
                            if (!text || !text.includes('feishu.cn/') || text.includes(title)) return;

                            navigator.clipboard.writeText(formatText(title, text)).catch(function(err) {
                                console.log('写入剪贴板失败:', err);
                            });
                        }).catch(function(err) {
                            console.log('读取剪贴板失败:', err);
                        });
                    } catch (err) {
                        console.log('处理复制按钮点击失败:', err);
                    }
                }, 100);
            }
        });
    });

    // 立即运行覆盖函数
    overrideEventListeners();
    overrideXHR();

    console.log('飞书文档标题复制助手Plus已加载，版本3.0');
})();