// ==UserScript==
// @name         Zlib2WebDAV上传助手 发布版本
// @namespace    http://tampermonkey.net/
// @version      1.4
// @description  在Z-lib网站的图书详情页 上传图书至WebDAV 可从脚本设置修改WebDAV设置 支持多格式选择
// @author       StreamL
// @match        https://zlib.by/*
// @match        https://zh.zlib.li/*
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_xmlhttpRequest
// @grant        GM_notification
// @grant        GM_registerMenuCommand
// ==/UserScript==

(function() {
    'use strict';

    // 默认配置
    const defaultConfig = {
        webdav: {
            endpoint: ' ',
            id: ' ',
            password: ' ',
            directory: ''
        }
    };

    // 获取配置
    function getConfig() {
        const saved = GM_getValue('webdav_config');
        return saved ? JSON.parse(saved) : defaultConfig;
    }

    // 保存配置
    function saveConfig(config) {
        GM_setValue('webdav_config', JSON.stringify(config));
    }

    // 创建浮动按钮
    function createFloatingButton() {
        const buttonContainer = document.createElement('div');
        buttonContainer.innerHTML = `
            <div id="webdav-btn" style="
                position: fixed;
                right: 20px;
                top: 50%;
                transform: translateY(-50%);
                z-index: 10000;
                background: #007bff;
                color: white;
                padding: 12px 18px;
                border-radius: 8px;
                cursor: pointer;
                font-size: 14px;
                font-weight: 500;
                box-shadow: 0 4px 12px rgba(0,123,255,0.3);
                user-select: none;
                transition: all 0.2s ease;
                text-align: center;
                min-width: 80px;
                border: none;
            ">WebDAV</div>
        `;
        document.body.appendChild(buttonContainer);

        const btn = document.getElementById('webdav-btn');
        
        // 添加悬停效果
        btn.addEventListener('mouseenter', () => {
            btn.style.background = '#0056b3';
            btn.style.transform = 'translateY(-50%) scale(1.05)';
            btn.style.boxShadow = '0 6px 16px rgba(0,123,255,0.4)';
        });
        
        btn.addEventListener('mouseleave', () => {
            btn.style.background = '#007bff';
            btn.style.transform = 'translateY(-50%) scale(1)';
            btn.style.boxShadow = '0 4px 12px rgba(0,123,255,0.3)';
        });

        btn.addEventListener('click', handleButtonClick);
    }

    // 获取所有可下载的资源
    function getAllDownloadLinks() {
        const formats = [];
        
        // 方法1：获取主下载按钮（第一个格式）
        const mainBtn = document.querySelector('.book-actions-buttons .btn-group a.addDownloadedBook');
        if (mainBtn) {
            const extElement = mainBtn.querySelector('.book-property__extension');
            const sizeText = mainBtn.textContent.trim();
            const sizeMatch = sizeText.match(/[\d.]+\s*(KB|MB|GB)/i);
            
            formats.push({
                url: mainBtn.href,
                format: extElement ? extElement.textContent.trim() : 'unknown',
                size: sizeMatch ? sizeMatch[0] : 'unknown'
            });
        }
        
        // 方法2：获取下拉菜单中的所有格式
        const dropdownLinks = document.querySelectorAll('.book-actions-buttons .dropdown-menu li a.addDownloadedBook');
        dropdownLinks.forEach(link => {
            const extElement = link.querySelector('.book-property__extension');
            const sizeElement = link.querySelector('.book-property__size');
            
            const format = extElement ? extElement.textContent.trim() : 'unknown';
            const size = sizeElement ? sizeElement.textContent.trim() : 'unknown';
            const url = link.href;
            
            // 检查是否已存在（避免重复）
            if (!formats.some(f => f.url === url)) {
                formats.push({ url, format, size });
            }
        });
        
        return formats;
    }

    // 处理按钮点击
    function handleButtonClick() {
        const availableFormats = getAllDownloadLinks();
        
        if (!availableFormats || availableFormats.length === 0) {
            alert('未找到可下载的资源');
            return;
        }

        // 检查是否存在下拉按钮但只找到一个格式
        const dropdownBtn = document.querySelector('.book-actions-buttons .btn-group .dropdown-toggle');
        if (dropdownBtn && availableFormats.length === 1) {
            showExpandHintDialog(availableFormats);
            return;
        }

        // 显示格式选择对话框
        showFormatSelectionDialog(availableFormats);
    }

    // 显示展开提示对话框
    function showExpandHintDialog(formats) {
        const dialog = document.createElement('div');
        dialog.innerHTML = `
            <div id="hint-dialog" style="
                position: fixed;
                top: 50%;
                left: 50%;
                transform: translate(-50%, -50%);
                z-index: 10001;
                background: white;
                padding: 30px;
                border-radius: 12px;
                box-shadow: 0 8px 32px rgba(0,0,0,0.15);
                max-width: 450px;
                min-width: 380px;
                font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            ">
                <div style="text-align: center; margin-bottom: 20px;">
                    <div style="
                        width: 60px;
                        height: 60px;
                        margin: 0 auto 15px;
                        background: #fff3cd;
                        border-radius: 50%;
                        display: flex;
                        align-items: center;
                        justify-content: center;
                        font-size: 32px;
                    ">⚠️</div>
                    <h3 style="margin: 0 0 15px 0; color: #333; font-size: 18px; font-weight: 600;">检测到可扩展的格式列表</h3>
                    <p style="margin: 0; color: #666; font-size: 14px; line-height: 1.6;">
                        当前只检测到 <strong>1</strong> 个格式，但页面存在展开按钮。<br><br>
                        如果需要查看更多格式，请先点击下载按钮旁边的 <strong>┇</strong> (三点图标) 展开所有可用格式。<br><br>
                        如果确认只需要当前格式，可以直接继续下载。
                    </p>
                </div>
                <div style="
                    display: flex;
                    justify-content: flex-end;
                    gap: 12px;
                    border-top: 1px solid #eee;
                    padding-top: 20px;
                ">
                    <button id="hint-cancel-btn" style="
                        padding: 10px 20px;
                        border: 2px solid #ddd;
                        background: white;
                        color: #666;
                        border-radius: 6px;
                        cursor: pointer;
                        font-size: 14px;
                        transition: all 0.2s ease;
                    ">取消</button>
                    <button id="hint-continue-btn" style="
                        padding: 10px 20px;
                        background: #007bff;
                        color: white;
                        border: none;
                        border-radius: 6px;
                        cursor: pointer;
                        font-size: 14px;
                        font-weight: 500;
                        transition: background-color 0.2s ease;
                    ">继续下载当前格式</button>
                </div>
            </div>
            <div style="
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(0,0,0,0.5);
                z-index: 10000;
                backdrop-filter: blur(2px);
            "></div>
        `;
        
        document.body.appendChild(dialog);

        const cancelBtn = document.getElementById('hint-cancel-btn');
        const continueBtn = document.getElementById('hint-continue-btn');
        
        cancelBtn.addEventListener('mouseenter', () => {
            cancelBtn.style.borderColor = '#bbb';
            cancelBtn.style.color = '#333';
        });
        cancelBtn.addEventListener('mouseleave', () => {
            cancelBtn.style.borderColor = '#ddd';
            cancelBtn.style.color = '#666';
        });
        
        continueBtn.addEventListener('mouseenter', () => {
            continueBtn.style.background = '#0056b3';
        });
        continueBtn.addEventListener('mouseleave', () => {
            continueBtn.style.background = '#007bff';
        });

        cancelBtn.addEventListener('click', () => {
            document.body.removeChild(dialog);
        });

        continueBtn.addEventListener('click', () => {
            document.body.removeChild(dialog);
            // 继续显示格式选择对话框（即使只有一个格式）
            showFormatSelectionDialog(formats);
        });

        // 允许点击遮罩层关闭
        dialog.querySelector('div:last-child').addEventListener('click', () => {
            document.body.removeChild(dialog);
        });
    }

    // 显示格式选择对话框
    function showFormatSelectionDialog(formats) {
        const dialog = document.createElement('div');
        
        // 生成格式列表HTML
        const formatListHTML = formats.map((item, index) => `
            <div class="format-item" data-index="${index}" style="
                padding: 14px 16px;
                border: 2px solid #e1e5e9;
                border-radius: 8px;
                margin-bottom: 10px;
                cursor: pointer;
                transition: all 0.2s ease;
                display: flex;
                justify-content: space-between;
                align-items: center;
            ">
                <div style="display: flex; align-items: center; gap: 12px;">
                    <input type="radio" name="format-select" value="${index}" id="format-${index}" style="
                        width: 18px;
                        height: 18px;
                        cursor: pointer;
                    ">
                    <label for="format-${index}" style="
                        cursor: pointer;
                        font-size: 15px;
                        font-weight: 600;
                        color: #333;
                        text-transform: uppercase;
                    ">${item.format}</label>
                </div>
                <span style="color: #666; font-size: 14px;">${item.size}</span>
            </div>
        `).join('');
        
        dialog.innerHTML = `
            <div id="format-dialog" style="
                position: fixed;
                top: 50%;
                left: 50%;
                transform: translate(-50%, -50%);
                z-index: 10001;
                background: white;
                padding: 25px;
                border-radius: 12px;
                box-shadow: 0 8px 32px rgba(0,0,0,0.15);
                max-width: 450px;
                min-width: 380px;
                max-height: 80vh;
                overflow-y: auto;
                font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            ">
                <h3 style="margin: 0 0 20px 0; color: #333; font-size: 18px; font-weight: 600;">选择下载格式</h3>
                <div style="margin-bottom: 20px;">
                    ${formatListHTML}
                </div>
                <div style="
                    display: flex;
                    justify-content: flex-end;
                    gap: 12px;
                    border-top: 1px solid #eee;
                    padding-top: 20px;
                ">
                    <button id="cancel-format-btn" style="
                        padding: 10px 20px;
                        border: 2px solid #ddd;
                        background: white;
                        color: #666;
                        border-radius: 6px;
                        cursor: pointer;
                        font-size: 14px;
                        transition: all 0.2s ease;
                    ">取消</button>
                    <button id="download-format-btn" style="
                        padding: 10px 20px;
                        background: #007bff;
                        color: white;
                        border: none;
                        border-radius: 6px;
                        cursor: pointer;
                        font-size: 14px;
                        font-weight: 500;
                        transition: background-color 0.2s ease;
                    ">下载并上传</button>
                </div>
            </div>
            <div style="
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(0,0,0,0.5);
                z-index: 10000;
                backdrop-filter: blur(2px);
            "></div>
        `;
        
        document.body.appendChild(dialog);

        // 添加格式项点击效果
        const formatItems = dialog.querySelectorAll('.format-item');
        formatItems.forEach(item => {
            item.addEventListener('mouseenter', () => {
                item.style.borderColor = '#007bff';
                item.style.background = '#f8f9fa';
            });
            item.addEventListener('mouseleave', () => {
                const radio = item.querySelector('input[type="radio"]');
                if (!radio.checked) {
                    item.style.borderColor = '#e1e5e9';
                    item.style.background = 'white';
                }
            });
            item.addEventListener('click', () => {
                const radio = item.querySelector('input[type="radio"]');
                radio.checked = true;
                
                // 更新所有项的样式
                formatItems.forEach(otherItem => {
                    const otherRadio = otherItem.querySelector('input[type="radio"]');
                    if (otherRadio.checked) {
                        otherItem.style.borderColor = '#007bff';
                        otherItem.style.background = '#e7f3ff';
                    } else {
                        otherItem.style.borderColor = '#e1e5e9';
                        otherItem.style.background = 'white';
                    }
                });
            });
        });

        // 默认选中第一个
        if (formats.length > 0) {
            const firstRadio = dialog.querySelector('input[type="radio"]');
            const firstItem = dialog.querySelector('.format-item');
            firstRadio.checked = true;
            firstItem.style.borderColor = '#007bff';
            firstItem.style.background = '#e7f3ff';
        }

        // 按钮事件
        const cancelBtn = document.getElementById('cancel-format-btn');
        const downloadBtn = document.getElementById('download-format-btn');
        
        cancelBtn.addEventListener('mouseenter', () => {
            cancelBtn.style.borderColor = '#bbb';
            cancelBtn.style.color = '#333';
        });
        cancelBtn.addEventListener('mouseleave', () => {
            cancelBtn.style.borderColor = '#ddd';
            cancelBtn.style.color = '#666';
        });
        
        downloadBtn.addEventListener('mouseenter', () => {
            downloadBtn.style.background = '#0056b3';
        });
        downloadBtn.addEventListener('mouseleave', () => {
            downloadBtn.style.background = '#007bff';
        });

        cancelBtn.addEventListener('click', () => {
            document.body.removeChild(dialog);
        });

        downloadBtn.addEventListener('click', () => {
            const selectedRadio = dialog.querySelector('input[name="format-select"]:checked');
            if (!selectedRadio) {
                showNotification('请选择一个格式', 'error');
                return;
            }
            
            const selectedIndex = parseInt(selectedRadio.value);
            const selectedFormat = formats[selectedIndex];
            
            document.body.removeChild(dialog);
            downloadAndUpload(selectedFormat.url, selectedFormat.format);
        });
    }

    // 下载并上传文件
    function downloadAndUpload(downloadUrl, formatType) {
        // 设置按钮为等待状态
        setButtonLoading(true);

        // 显示进度提示
        showNotification(`正在下载 ${formatType.toUpperCase()} 格式...`);
        
        // 发送请求获取文件
        GM_xmlhttpRequest({
            method: 'GET',
            url: downloadUrl,
            responseType: 'blob',
            onload: function(response) {
                setButtonLoading(false);
                handleDownloadResponse(response, formatType);
            },
            onerror: function(error) {
                setButtonLoading(false);
                showNotification('下载失败: ' + error.statusText, 'error');
            }
        });
    }

    // 处理下载响应
    function handleDownloadResponse(response, formatType = '') {
        if (response.status === 200) {
            // 尝试从响应头获取文件名
            const contentDisposition = response.responseHeaders.match(/filename[^;=\n]*=((['"]).*?\2|[^;\n]*)/);
            let filename = '';
            
            if (contentDisposition) {
                filename = contentDisposition[1].replace(/['"]/g, '');
                // 解码可能的URL编码
                try {
                    filename = decodeURIComponent(filename);
                } catch(e) {
                    // 如果解码失败，保持原始文件名
                }
            }

            // 如果无法从响应头获取文件名，尝试从页面获取书名
            if (!filename) {
                const titleElement = document.querySelector('h1[itemprop="name"]');
                const bookTitle = titleElement ? titleElement.textContent.trim() : 'book';
                filename = `${bookTitle}.${formatType}`;
            }

            // 检查文件扩展名
            const validExtensions = ['txt', 'epub', 'mobi', 'azw3', 'pdf', 'fb2', 'rtf', 'djvu', 'doc', 'docx'];
            const fileExt = filename.split('.').pop().toLowerCase();
            
            if (!validExtensions.includes(fileExt)) {
                showNotification('无法获取有效的电子书文件', 'error');
                return;
            }

            // 显示确认对话框
            showConfirmDialog(filename, response.response);
        } else {
            showNotification('无法获取文件内容', 'error');
        }
    }

    // 显示确认对话框
    function showConfirmDialog(filename, fileBlob) {
        const dialog = document.createElement('div');
        dialog.innerHTML = `
            <div id="confirm-dialog" style="
                position: fixed;
                top: 50%;
                left: 50%;
                transform: translate(-50%, -50%);
                z-index: 10001;
                background: white;
                padding: 25px;
                border-radius: 12px;
                box-shadow: 0 8px 32px rgba(0,0,0,0.15);
                max-width: 420px;
                min-width: 350px;
                font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            ">
                <h3 style="margin: 0 0 20px 0; color: #333; font-size: 18px; font-weight: 600;">确认上传</h3>
                <p style="margin: 0 0 25px 0; color: #666; font-size: 14px; line-height: 1.5; word-break: break-all;">
                    <strong>文件名:</strong> ${filename}
                </p>
                <div style="
                    display: flex;
                    justify-content: flex-end;
                    gap: 12px;
                    border-top: 1px solid #eee;
                    padding-top: 20px;
                ">
                    <button id="cancel-btn" style="
                        padding: 10px 20px;
                        border: 2px solid #ddd;
                        background: white;
                        color: #666;
                        border-radius: 6px;
                        cursor: pointer;
                        font-size: 14px;
                        transition: all 0.2s ease;
                    ">取消</button>
                    <button id="confirm-btn" style="
                        padding: 10px 20px;
                        background: #007bff;
                        color: white;
                        border: none;
                        border-radius: 6px;
                        cursor: pointer;
                        font-size: 14px;
                        font-weight: 500;
                        transition: background-color 0.2s ease;
                    ">确定上传</button>
                </div>
            </div>
            <div style="
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(0,0,0,0.5);
                z-index: 10000;
                backdrop-filter: blur(2px);
            "></div>
        `;
        
        document.body.appendChild(dialog);

        // 添加按钮悬停效果
        const cancelBtn = document.getElementById('cancel-btn');
        const confirmBtn = document.getElementById('confirm-btn');
        
        cancelBtn.addEventListener('mouseenter', () => {
            cancelBtn.style.borderColor = '#bbb';
            cancelBtn.style.color = '#333';
        });
        cancelBtn.addEventListener('mouseleave', () => {
            cancelBtn.style.borderColor = '#ddd';
            cancelBtn.style.color = '#666';
        });
        
        confirmBtn.addEventListener('mouseenter', () => {
            confirmBtn.style.background = '#0056b3';
        });
        confirmBtn.addEventListener('mouseleave', () => {
            confirmBtn.style.background = '#007bff';
        });

        // 绑定事件
        cancelBtn.addEventListener('click', () => {
            document.body.removeChild(dialog);
        });

        confirmBtn.addEventListener('click', () => {
            document.body.removeChild(dialog);
            uploadToWebDAV(filename, fileBlob);
        });
    }

    // 上传到WebDAV
    function uploadToWebDAV(filename, fileBlob) {
        const config = getConfig();
        const webdav = config.webdav;
        const uploadUrl = webdav.endpoint + webdav.directory + filename;

        // 设置按钮为等待状态
        setButtonLoading(true);
        showNotification('正在上传文件...');

        GM_xmlhttpRequest({
            method: 'PUT',
            url: uploadUrl,
            data: fileBlob,
            headers: {
                'Authorization': 'Basic ' + btoa(webdav.id + ':' + webdav.password)
            },
            onload: function(response) {
                setButtonLoading(false);
                if (response.status >= 200 && response.status < 300) {
                    showNotification('文件已成功上传到WebDAV', 'success');
                } else {
                    showNotification('上传失败: ' + response.statusText, 'error');
                }
            },
            onerror: function(error) {
                setButtonLoading(false);
                showNotification('上传错误: ' + error.statusText, 'error');
            }
        });
    }

    // 显示通知
    function showNotification(message, type = 'info') {
        const notification = document.createElement('div');
        const bgColor = type === 'success' ? '#28a745' : type === 'error' ? '#dc3545' : '#007bff';
        
        notification.innerHTML = `
            <div style="
                position: fixed;
                top: 20px;
                right: 20px;
                z-index: 10002;
                background: ${bgColor};
                color: white;
                padding: 15px 20px;
                border-radius: 5px;
                box-shadow: 0 2px 10px rgba(0,0,0,0.3);
                max-width: 300px;
                word-wrap: break-word;
            ">${message}</div>
        `;
        
        document.body.appendChild(notification);
        
        // 3秒后自动移除
        setTimeout(() => {
            if (notification.parentNode) {
                document.body.removeChild(notification);
            }
        }, 3000);
    }

    // 显示设置对话框
    function showSettingsDialog() {
        const config = getConfig();
        const dialog = document.createElement('div');
        dialog.innerHTML = `
            <div id="settings-dialog" style="
                position: fixed;
                top: 50%;
                left: 50%;
                transform: translate(-50%, -50%);
                z-index: 10001;
                background: white;
                padding: 30px;
                border-radius: 12px;
                box-shadow: 0 8px 32px rgba(0,0,0,0.15);
                width: 520px;
                max-height: 80vh;
                overflow-y: auto;
                font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            ">
                <h3 style="margin: 0 0 25px 0; color: #333; font-size: 20px; font-weight: 600;">WebDAV设置</h3>
                
                <div style="margin-bottom: 18px;">
                    <label style="display: block; margin-bottom: 8px; font-weight: 600; color: #555;">WebDAV 端点:</label>
                    <input type="text" id="endpoint-input" value="${config.webdav.endpoint}" style="
                        width: calc(100% - 24px);
                        padding: 12px;
                        border: 2px solid #e1e5e9;
                        border-radius: 6px;
                        font-size: 14px;
                        transition: border-color 0.2s ease;
                    " placeholder="https://example.com/dav/">
                </div>

                <div style="display: flex; gap: 15px; margin-bottom: 18px;">
                    <div style="flex: 1;">
                        <label style="display: block; margin-bottom: 8px; font-weight: 600; color: #555;">用户名:</label>
                        <input type="text" id="username-input" value="${config.webdav.id}" style="
                            width: calc(100% - 24px);
                            padding: 12px;
                            border: 2px solid #e1e5e9;
                            border-radius: 6px;
                            font-size: 14px;
                            transition: border-color 0.2s ease;
                        ">
                    </div>
                    <div style="flex: 1;">
                        <label style="display: block; margin-bottom: 8px; font-weight: 600; color: #555;">密码:</label>
                        <input type="password" id="password-input" value="${config.webdav.password}" style="
                            width: calc(100% - 24px);
                            padding: 12px;
                            border: 2px solid #e1e5e9;
                            border-radius: 6px;
                            font-size: 14px;
                            transition: border-color 0.2s ease;
                        ">
                    </div>
                </div>

                <div style="margin-bottom: 25px;">
                    <label style="display: block; margin-bottom: 8px; font-weight: 600; color: #555;">目录路径:</label>
                    <input type="text" id="directory-input" value="${config.webdav.directory}" placeholder="books/ (留空为根目录)" style="
                        width: calc(100% - 24px);
                        padding: 12px;
                        border: 2px solid #e1e5e9;
                        border-radius: 6px;
                        font-size: 14px;
                        transition: border-color 0.2s ease;
                    ">
                    <small style="color: #666; font-size: 12px; margin-top: 4px; display: block;">目录路径应以 / 结尾，留空则为根目录</small>
                </div>

                <div style="
                    display: flex;
                    justify-content: flex-end;
                    border-top: 1px solid #eee; 
                    padding-top: 20px;
                    gap: 8px;
                ">
                    <button id="reset-settings-btn" style="
                        padding: 10px 16px;
                        background: #dc3545;
                        color: white;
                        border: none;
                        border-radius: 6px;
                        cursor: pointer;
                        font-size: 14px;
                        transition: background-color 0.2s ease;
                    ">重置</button>
                    <button id="cancel-settings-btn" style="
                        padding: 10px 16px;
                        border: 2px solid #ddd;
                        background: white;
                        color: #666;
                        border-radius: 6px;
                        cursor: pointer;
                        font-size: 14px;
                        transition: all 0.2s ease;
                    ">取消</button>
                    <button id="save-settings-btn" style="
                        padding: 10px 20px;
                        background: #28a745;
                        color: white;
                        border: none;
                        border-radius: 6px;
                        cursor: pointer;
                        font-size: 14px;
                        font-weight: 500;
                        transition: background-color 0.2s ease;
                    ">保存设置</button>
                </div>
            </div>
            <div style="
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(0,0,0,0.5);
                z-index: 10000;
                backdrop-filter: blur(2px);
            "></div>
        `;
        
        document.body.appendChild(dialog);

        // 添加输入框焦点效果
        const inputs = dialog.querySelectorAll('input, textarea');
        inputs.forEach(input => {
            input.addEventListener('focus', () => {
                input.style.borderColor = '#007bff';
                input.style.boxShadow = '0 0 0 3px rgba(0,123,255,0.1)';
            });
            input.addEventListener('blur', () => {
                input.style.borderColor = '#e1e5e9';
                input.style.boxShadow = 'none';
            });
        });

        // 绑定事件
        document.getElementById('cancel-settings-btn').addEventListener('click', () => {
            document.body.removeChild(dialog);
        });

        document.getElementById('save-settings-btn').addEventListener('click', () => {
            saveSettings(dialog);
        });

        document.getElementById('reset-settings-btn').addEventListener('click', () => {
            if (confirm('确定要重置所有设置到默认值吗？')) {
                resetSettings(dialog);
            }
        });
    }

    // 保存设置
    function saveSettings(dialog) {
        const endpoint = document.getElementById('endpoint-input').value.trim();
        const username = document.getElementById('username-input').value.trim();
        const password = document.getElementById('password-input').value;
        let directory = document.getElementById('directory-input').value.trim();
        
        // 确保目录路径以 / 结尾（如果不为空）
        if (directory && !directory.endsWith('/')) {
            directory += '/';
        }

        if (!endpoint || !username || !password) {
            showNotification('请填写完整的WebDAV配置', 'error');
            return;
        }

        const newConfig = {
            webdav: {
                endpoint: endpoint,
                id: username,
                password: password,
                directory: directory
            }
        };

        saveConfig(newConfig);
        showNotification('设置已保存', 'success');
        document.body.removeChild(dialog);
    }

    // 重置设置
    function resetSettings(dialog) {
        document.getElementById('endpoint-input').value = defaultConfig.webdav.endpoint;
        document.getElementById('username-input').value = defaultConfig.webdav.id;
        document.getElementById('password-input').value = defaultConfig.webdav.password;
        document.getElementById('directory-input').value = defaultConfig.webdav.directory;
        
        showNotification('设置已重置为默认值', 'info');
    }

    // 测试WebDAV连接
    function testWebDAVConnection() {
        const endpoint = document.getElementById('endpoint-input').value.trim();
        const username = document.getElementById('username-input').value.trim();
        const password = document.getElementById('password-input').value;
        
        if (!endpoint || !username || !password) {
            showNotification('请先填写完整的WebDAV配置', 'error');
            return;
        }

        showNotification('正在测试连接...', 'info');

        GM_xmlhttpRequest({
            method: 'PROPFIND',
            url: endpoint,
            headers: {
                'Authorization': 'Basic ' + btoa(username + ':' + password),
                'Depth': '0'
            },
            onload: function(response) {
                if (response.status >= 200 && response.status < 300) {
                    showNotification('连接测试成功！', 'success');
                } else {
                    showNotification(`连接失败: ${response.status} ${response.statusText}`, 'error');
                }
            },
            onerror: function(error) {
                showNotification('连接测试失败: ' + error.statusText, 'error');
            }
        });
    }

    // 设置按钮加载状态
    function setButtonLoading(isLoading) {
        const btn = document.getElementById('webdav-btn');
        if (!btn) return;

        if (isLoading) {
            btn.innerHTML = '处理中...';
            btn.style.background = '#6c757d';
            btn.style.cursor = 'not-allowed';
            btn.style.opacity = '0.7';
            btn.disabled = true;
            
            // 移除悬停效果
            btn.onmouseenter = null;
            btn.onmouseleave = null;
        } else {
            btn.innerHTML = 'WebDAV';
            btn.style.background = '#007bff';
            btn.style.cursor = 'pointer';
            btn.style.opacity = '1';
            btn.disabled = false;
            
            // 重新添加悬停效果
            btn.addEventListener('mouseenter', () => {
                if (!btn.disabled) {
                    btn.style.background = '#0056b3';
                    btn.style.transform = 'translateY(-50%) scale(1.05)';
                    btn.style.boxShadow = '0 6px 16px rgba(0,123,255,0.4)';
                }
            });
            
            btn.addEventListener('mouseleave', () => {
                if (!btn.disabled) {
                    btn.style.background = '#007bff';
                    btn.style.transform = 'translateY(-50%) scale(1)';
                    btn.style.boxShadow = '0 4px 12px rgba(0,123,255,0.3)';
                }
            });
        }
    }

    // 初始化
    function init() {

        createFloatingButton();

        
        // 注册脚本菜单命令
        GM_registerMenuCommand('WebDAV配置', showSettingsDialog);
    }

    // 页面加载完成后初始化
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', init);
    } else {
        init();
    }
})();