// ==UserScript==
// @name         【最强】【重大更新】解除禁止复制和粘贴限制并支持手动粘贴（全网页适用）
// @namespace    http://jiangning_sama/pojie_cpoy.net/
// @version      7.1.2
// @description  ⭐学习通⭐pta⭐csdn⭐飞书云文档⭐破解所有网站【禁止复制】和【禁止粘贴】限制，支持【模拟人工输入】。安装后，打开目标网页即可解除限制。若粘贴解锁不生效，可以使用ctrl+m呼出浮动输入框进行模拟人工输入，详情请阅读下方说明。有疑问或者反馈都可以发我邮箱啊：2697003697@qq.com
// @author       江宁sama
// @match        *://*/*
// @exclude      https://chatgpt.com/*
// @exclude      https://www.bilibili.com/*
// @exclude      https://www.bing.com/*
// @exclude      https://fanyi.*/*
// @grant        none
// @run-at       document-start
// @license      MIT
// @downloadURL none
// ==/UserScript==

/*
 * 免责声明：
 * 本脚本为教育和学习用途而开发，旨在帮助用户了解网页元素的控制与交互操作。
 * 使用本脚本即表示用户同意自行承担由此带来的一切风险和后果，开发者不对因使用本脚本
 * 造成的任何直接或间接损失负责。
 * 
 * 请勿使用本脚本用于任何违反服务条款、侵害他人权益或违反当地法律法规的行为。
 * 建议仅在个人测试环境中使用，不建议用于生产环境或未经授权的网页。
 * 
 * 使用前请务必仔细阅读本免责声明，开发者保留随时更改或终止该脚本的权利。
 */

(function () {
    'use strict';
    const isFeishuPage = /feishu\.cn|larkoffice\.com/.test(window.location.hostname);

    // 飞书专用功能
    function feishuScript() {
        const overrideEventListeners = () => {
            const rawAddEventListener = EventTarget.prototype.addEventListener;
            EventTarget.prototype.addEventListener = function (type, listener, options) {
                if (type === 'copy') {
                    rawAddEventListener.call(this, type, event => event.stopImmediatePropagation(), options);
                    return;
                }
                if (type === 'contextmenu') {
                    rawAddEventListener.call(this, type, event => {
                        event.stopImmediatePropagation();
                        return listener(event);
                    }, options);
                    return;
                }
                rawAddEventListener.call(this, type, listener, options);
            };
        };

        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.error('Failed to modify response:', e);
                        }
                    }
                }, false);
                rawOpen.call(this, method, url, ...rest);
            };
        };

        overrideEventListeners();
        overrideXHR();
    }

    // 通用功能
    function universalUnlockScript() {
        const unlockCopyPaste = () => {
            document.body.removeAttribute('onselectstart');
            document.body.style.userSelect = 'auto';
            document.documentElement.style.userSelect = 'auto';
            const elements = document.querySelectorAll('*');
            elements.forEach((el) => {
                el.style.userSelect = 'auto';
                el.style.pointerEvents = 'auto';
                el.removeAttribute('oncopy');
                el.removeAttribute('oncut');
                el.removeAttribute('onpaste');
                el.removeAttribute('oncontextmenu');
                el.removeAttribute('onmousedown');
                el.removeAttribute('onselectstart');
            });

            const eventTypes = ['copy', 'cut', 'paste', 'contextmenu', 'selectstart', 'mousedown'];
            eventTypes.forEach((eventType) => {
                document.addEventListener(eventType, (e) => e.stopPropagation(), true);
            });
        };

        document.addEventListener('DOMContentLoaded', unlockCopyPaste);
    }

    // 判断
    if (isFeishuPage) {
        feishuScript();  
    } else {
        universalUnlockScript(); 
    }

    function removeVipMask() {
        const vipMask = document.querySelector('div.hide-article-box.hide-article-pos.text-center');
        if (vipMask) {
            vipMask.remove();
        }
    }

    // 优化：使用 MutationObserver 监听 DOM 变化，避免轮询
    function observeVipMask() {
        const observer = new MutationObserver(removeVipMask);
        observer.observe(document.body, { childList: true, subtree: true });
    }

    // 初始化时移除遮罩层并开始监听
    document.addEventListener('DOMContentLoaded', () => {
        removeVipMask();
        observeVipMask();
    });

    // 手动粘贴功能
    let targetElement = null;
    document.addEventListener('keydown', function(event) {
        if (event.ctrlKey && event.key === 'm') {
            event.preventDefault();
            targetElement = document.activeElement;
            createFloatingInputBox();
        }
    });

    // 创建浮动输入框
    function createFloatingInputBox() {
        if (document.getElementById('floatingInputBox')) return;

        const floatingBox = document.createElement('div');
        floatingBox.id = 'floatingInputBox';
        floatingBox.style.position = 'fixed';
        floatingBox.style.top = '20px';
        floatingBox.style.right = '20px';
        floatingBox.style.width = '300px';
        floatingBox.style.padding = '10px';
        floatingBox.style.backgroundColor = 'white';
        floatingBox.style.border = '1px solid black';
        floatingBox.style.zIndex = '10000';

        const textarea = document.createElement('textarea');
        textarea.style.width = '100%';
        textarea.style.height = '80px';
        textarea.placeholder = '在此粘贴内容，然后按 Enter';
        textarea.addEventListener('keydown', function(e) {
            if (e.key === 'Enter') {
                e.preventDefault();
                const text = textarea.value;
                document.body.removeChild(floatingBox);
                if (targetElement) {
                    typeTextSlowly(targetElement, text);
                }
            }
        });

        floatingBox.appendChild(textarea);
        document.body.appendChild(floatingBox);
        textarea.focus();
    }

    // 输出
    function typeTextSlowly(element, text) {
        let i = 0;

        function typeChar() {
            if (i < text.length) {
                insertChar(element, text[i]);
                i++;
                requestAnimationFrame(typeChar);
            }
        }
        typeChar();
    }

    function insertChar(element, char) {
        if (element.tagName === 'INPUT' || element.tagName === 'TEXTAREA') {
            const start = element.selectionStart;
            const end = element.selectionEnd;
            const value = element.value;
            element.value = value.substring(0, start) + char + value.substring(end);
            element.selectionStart = element.selectionEnd = start + 1;

            const inputEvent = new Event('input', { bubbles: true });
            element.dispatchEvent(inputEvent);
        } else if (element.isContentEditable) {
            const textNode = document.createTextNode(char);
            const selection = window.getSelection();
            const range = selection.getRangeAt(0);

            range.insertNode(textNode);
            range.setStartAfter(textNode);
            selection.removeAllRanges();
            selection.addRange(range);
        }
    }

})();