// ==UserScript==
// @name            解除复制限制
// @name:zh         解除复制限制
// @name:en         Unlock Copy Restrictions
// @name:ja         コピー制限解除
// @name:ko         복사 제한 해제
// @name:es         Desbloquear restricciones de copia
// @namespace       gura8390/copy/2
// @version         1.5
// @license MIT
// @icon        https://img.icons8.com/nolan/64/password1.png
// @description    解除网页复制限制并提供可视化控制
// @description:zh 解除网页复制限制并提供可视化控制
// @description:en Unlock web copy restrictions with visual control
// @description:ja ウェブのコピー制限を解除し、視覚的な制御を提供
// @description:ko 웹 페이지의 복사 제한을 해제하고 시각적 제어를 제공합니다
// @description:es Desbloquea restricciones de copia en la web y proporciona control visual
// @author       lbihhe
// @match        *://*/*
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_registerMenuCommand
// @grant        GM_xmlhttpRequest
// @run-at       document-end
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    // 本地化字典
    const locales = {
        en: {
            menu_toggle_script: "🔄 Toggle Script State",
            menu_toggle_button: "👁️ Toggle Button Display",
            btn_unlock: "🔓 Unlock Restrictions",
            btn_lock: "🔒 Restore Defaults",
            toast_unlocked: "✔️ Copy restrictions unlocked!",
            toast_locked: "✔️ Restrictions restored!"
        },
        zh: {
            menu_toggle_script: "🔄 切换脚本状态",
            menu_toggle_button: "👁️ 切换按钮显示",
            btn_unlock: "🔓 解除限制",
            btn_lock: "🔒 恢复原状",
            toast_unlocked: "✔️ 复制限制已解除！",
            toast_locked: "✔️ 限制已恢复！"
        },
        ja: {
            menu_toggle_script: "🔄 スクリプト状態を切り替え",
            menu_toggle_button: "👁️ ボタン表示を切り替え",
            btn_unlock: "🔓 制限解除",
            btn_lock: "🔒 デフォルトに戻す",
            toast_unlocked: "✔️ コピー制限が解除されました！",
            toast_locked: "✔️ 制限が復元されました！"
        },
        ko: {
            menu_toggle_script: "🔄 스크립트 상태 전환",
            menu_toggle_button: "👁️ 버튼 표시 전환",
            btn_unlock: "🔓 제한 해제",
            btn_lock: "🔒 기본값 복원",
            toast_unlocked: "✔️ 복사 제한이 해제되었습니다!",
            toast_locked: "✔️ 제한이 복원되었습니다!"
        },
        es: {
            menu_toggle_script: "🔄 Cambiar estado del script",
            menu_toggle_button: "👁️ Cambiar visualización del botón",
            btn_unlock: "🔓 Desbloquear restricciones",
            btn_lock: "🔒 Restaurar valores predeterminados",
            toast_unlocked: "✔️ ¡Restricciones de copia desbloqueadas!",
            toast_locked: "✔️ ¡Restricciones restauradas!"
        }
    };

    // 语言检测
    const lang = navigator.language.toLowerCase();
    let userLang = 'en';
    if (lang.startsWith('zh')) userLang = 'zh';
    else if (lang.startsWith('ja')) userLang = 'ja';
    else if (lang.startsWith('ko')) userLang = 'ko';
    else if (lang.startsWith('es')) userLang = 'es';
    const t = locales[userLang];

    // 配置项
    const CONFIG = {
        ENABLED: 'copy_enabled',
        SHOW_BUTTON: 'show_button'
    };

    // 网站特殊规则
    const websiteRules = [
        {
            regexp: /doc88\.com/,
            path: null,
            init: function() {
                // 隐藏干扰元素
                const style = document.createElement('style');
                style.innerHTML = '#left-menu{display: none !important;}';
                document.head.appendChild(style);

                // 双重路径获取方式
                GM_xmlhttpRequest({
                    method: "GET",
                    url: "https://res3.doc88.com/resources/js/modules/main-v2.min.js?v=2.56",
                    onload: (response) => {
                        const result = /\("#cp_textarea"\).val\(([\S]*?)\);/.exec(response.responseText);
                        if (result) this.path = result[1];
                    }
                });

                const cpFn = unsafeWindow.copyText?.toString() || '';
                const fnResult = /<textarea[\s\S]*?>'\+([\S]*?)\+"<\/textarea>/.exec(cpFn);
                if (fnResult) this.path = fnResult[1];

                // 重写复制事件
                document.addEventListener('copy', (e) => {
                    if (!this.path) return;

                    let select = unsafeWindow;
                    this.path.split('.').forEach(v => select = select[v]);

                    if (!select) {
                        unsafeWindow.Config.vip = 1;
                        unsafeWindow.Config.logined = 1;
                        style.remove();
                    } else {
                        e.clipboardData.setData('text/plain', select);
                        e.preventDefault();
                    }
                }, true);
            }
        }
    ];

    // 全局变量
    let unlockStyle = null;
    const stopPropagation = e => e.stopPropagation();
    const eventsList = ['contextmenu', 'copy', 'selectstart'];

    // 初始化配置
    const initConfig = () => {
        if (GM_getValue(CONFIG.ENABLED, null) === null) GM_setValue(CONFIG.ENABLED, true);
        if (GM_getValue(CONFIG.SHOW_BUTTON, null) === null) GM_setValue(CONFIG.SHOW_BUTTON, true);
    };

    // 注册菜单
    const registerMenu = () => {
        GM_registerMenuCommand(t.menu_toggle_script, () => {
            GM_setValue(CONFIG.ENABLED, !GM_getValue(CONFIG.ENABLED));
            location.reload();
        });

        GM_registerMenuCommand(t.menu_toggle_button, () => {
            GM_setValue(CONFIG.SHOW_BUTTON, !GM_getValue(CONFIG.SHOW_BUTTON));
            location.reload();
        });
    };

    // 解除限制
    const unlockCopy = () => {
        if (document.querySelector('#copy-unlocker-style')) return;

        unlockStyle = document.createElement('style');
        unlockStyle.id = 'copy-unlocker-style';
        unlockStyle.innerHTML = `* {
            user-select: auto !important;
            -webkit-user-select: auto !important;
            -moz-user-select: auto !important;
            -ms-user-select: auto !important;
        }`;
        document.head.appendChild(unlockStyle);

        eventsList.forEach(event => {
            document.body.addEventListener(event, stopPropagation, true);
        });
    };

    // 恢复限制
    const restoreCopy = () => {
        if (unlockStyle) {
            unlockStyle.remove();
            unlockStyle = null;
        }
        eventsList.forEach(event => {
            document.body.removeEventListener(event, stopPropagation, true);
        });
    };

    // 提示框
    const showSuccessToast = (msg, bgColor = '#4CAF50') => {
        const toast = document.createElement('div');
        toast.innerHTML = msg;
        toast.style.cssText = `
            position: fixed;
            bottom: 80px;
            right: 20px;
            background: ${bgColor};
            color: white;
            padding: 12px 24px;
            border-radius: 8px;
            z-index: 9999;
            opacity: 0;
            animation: fadeSlideIn 0.6s forwards, fadeOut 0.6s 2.5s forwards;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        `;

        if (!document.getElementById('toast-animations')) {
            const style = document.createElement('style');
            style.id = 'toast-animations';
            style.innerHTML = `
                @keyframes fadeSlideIn {
                    0% { transform: translateY(100%); opacity: 0; }
                    60% { transform: translateY(-10px); opacity: 1; }
                    100% { transform: translateY(0); opacity: 1; }
                }
                @keyframes fadeOut {
                    to { opacity: 0; }
                }
            `;
            document.head.appendChild(style);
        }

        document.body.appendChild(toast);
        setTimeout(() => toast.remove(), 3200);
    };

    // 浮动按钮
    const createFloatButton = () => {
        const btn = document.createElement('button');
        btn.id = 'copy-unlocker-btn';
        updateButtonLabel();

        btn.style.cssText = `
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 9999;
            padding: 12px 24px;
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            border: none;
            border-radius: 30px;
            cursor: pointer;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
            transition: background 0.3s, transform 0.2s;
            font-size: 14px;
        `;

        btn.addEventListener('mouseenter', () => btn.style.transform = 'scale(1.05)');
        btn.addEventListener('mouseleave', () => btn.style.transform = 'scale(1)');
        btn.addEventListener('click', handleButtonClick);

        function updateButtonLabel() {
            btn.innerHTML = GM_getValue(CONFIG.ENABLED) ? t.btn_lock : t.btn_unlock;
        }

        function handleButtonClick() {
            const enabled = GM_getValue(CONFIG.ENABLED);
            GM_setValue(CONFIG.ENABLED, !enabled);

            if (enabled) {
                restoreCopy();
                showSuccessToast(t.toast_locked, '#F44336');
            } else {
                unlockCopy();
                showSuccessToast(t.toast_unlocked, '#4CAF50');
            }
            updateButtonLabel();
        }

        return btn;
    };

    // 主函数
    const main = () => {
        initConfig();
        registerMenu();

        // 应用网站特殊规则
        const currentRule = websiteRules.find(rule => rule.regexp.test(location.href));
        if (currentRule) {
            currentRule.init();
            return;
        }

        // 通用处理
        if (GM_getValue(CONFIG.ENABLED)) unlockCopy();
        else restoreCopy();

        if (GM_getValue(CONFIG.SHOW_BUTTON)) {
            document.body.appendChild(createFloatButton());
        }
    };

    // 启动
    main();

})();