<?php
/**
 * 用户卡片管理页面
 */
// 注意：在检查POST请求时，我们需要尽早处理并退出，避免输出其他内容

// 首先检查是否为POST请求
if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_POST['action'])) {
    // 包含必要的文件但不要输出任何内容
    include 'common.php';
    
    // 检查权限
    if (!defined('__TYPECHO_ROOT_DIR__')) exit;
    $user = Typecho_Widget::widget('Widget_User');
    if (!$user->hasLogin() || !$user->pass('administrator', true)) {
        header('Content-Type: application/json');
        echo json_encode(['success' => false, 'message' => '无权限操作']);
        exit;
    }
    
    // 设置响应头为JSON
    header('Content-Type: application/json; charset=utf-8');
    
    if ($_POST['action'] == 'save_rss' && isset($_POST['uid'], $_POST['user_feed'])) {
        $uid = intval($_POST['uid']);
        $user_feed = trim($_POST['user_feed']);
        $user_url = isset($_POST['user_url']) ? trim($_POST['user_url']) : '';
        
        try {
            $db = Typecho_Db::get();
            $db->query($db->update('table.users')->rows(array(
                'user_feed' => $user_feed,
                'url' => $user_url
            ))->where('uid = ?', $uid));
            
            // 清除该用户的RSS缓存
            $cacheKey = 'usercard_rss_' . md5($user_feed);
            $cacheFile = dirname(__FILE__) . '/cache/' . $cacheKey . '.json';
            if (file_exists($cacheFile)) {
                @unlink($cacheFile);
            }
            
            echo json_encode(['success' => true, 'message' => '用户信息已保存！']);
            exit;
            
        } catch (Exception $e) {
            echo json_encode(['success' => false, 'message' => '保存失败：' . $e->getMessage()]);
            exit;
        }
        
    } elseif ($_POST['action'] == 'batch_save') {
        // 批量保存
        try {
            $db = Typecho_Db::get();
            foreach ($_POST['user_feed'] as $uid => $user_feed) {
                $uid = intval($uid);
                $user_feed = trim($user_feed);
                $user_url = isset($_POST['user_url'][$uid]) ? trim($_POST['user_url'][$uid]) : '';
                
                $db->query($db->update('table.users')->rows(array(
                    'user_feed' => $user_feed,
                    'url' => $user_url
                ))->where('uid = ?', $uid));
                
                // 清除该用户的RSS缓存
                if (!empty($user_feed)) {
                    $cacheKey = 'usercard_rss_' . md5($user_feed);
                    $cacheFile = dirname(__FILE__) . '/cache/' . $cacheKey . '.json';
                    if (file_exists($cacheFile)) {
                        @unlink($cacheFile);
                    }
                }
            }
            
            echo json_encode(['success' => true, 'message' => '批量保存成功！']);
            exit;
            
        } catch (Exception $e) {
            echo json_encode(['success' => false, 'message' => '批量保存失败：' . $e->getMessage()]);
            exit;
        }
    }
    
    // 如果不是上述两种action，返回错误
    echo json_encode(['success' => false, 'message' => '无效的操作']);
    exit;
}

// 正常页面加载（非AJAX请求）
include 'common.php';
include 'header.php';
include 'menu.php';

if (!defined('__TYPECHO_ROOT_DIR__')) exit;

// 检查权限
$user = Typecho_Widget::widget('Widget_User');
if (!$user->hasLogin() || !$user->pass('administrator', true)) {
    exit;
}

// 获取所有用户
$db = Typecho_Db::get();
$users = $db->fetchAll($db->select('uid', 'name', 'screenName', 'url', 'user_feed')
    ->from('table.users')
    ->order('uid', Typecho_Db::SORT_ASC));

// 统计信息
$totalUsers = count($users);
$withRss = 0;
$withoutRss = 0;
$withWebsite = 0;

foreach ($users as $user) {
    if (!empty($user['user_feed'])) {
        $withRss++;
    } else {
        $withoutRss++;
    }
    if (!empty($user['url'])) {
        $withWebsite++;
    }
}

// 获取用户头像首字母函数
function getUserInitial($name) {
    if (empty($name)) {
        return 'U';
    }
    
    // 去除首尾空格
    $name = trim($name);
    
    // 如果是中文，获取第一个汉字
    if (preg_match('/^[\x{4e00}-\x{9fa5}]/u', $name)) {
        // 获取第一个字符（支持中文字符）
        return mb_substr($name, 0, 1, 'UTF-8');
    } else {
        // 非中文，获取第一个字母或数字
        $firstChar = substr($name, 0, 1);
        
        // 如果是字母，转换为大写
        if (ctype_alpha($firstChar)) {
            return strtoupper($firstChar);
        }
        
        // 如果是数字，直接返回
        if (ctype_digit($firstChar)) {
            return $firstChar;
        }
        
        // 其他字符，返回第一个字符的大写形式
        return strtoupper($firstChar);
    }
}
?>

<div class="main">
    <div class="body container">
        <!-- 弹窗容器 -->
        <div id="toast-container" style="position: fixed; top: 20px; right: 20px; z-index: 9999;"></div>

        <style>
        /* 弹窗样式 */
        .toast {
            background: #43e97b;
            color: white;
            padding: 12px 24px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(67, 233, 123, 0.3);
            margin-bottom: 10px;
            animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
            max-width: 300px;
            word-wrap: break-word;
        }
        
        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(100%);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        
        @keyframes fadeOut {
            from {
                opacity: 1;
            }
            to {
                opacity: 0;
            }
        }
        
        .user-mgmt-section {
            background: #fff;
            border-radius: 10px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }
        
        .user-mgmt-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
            color: #333;
        }
        
        .user-stats-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 15px;
        }
        
        .user-stat-card {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 20px 15px;
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid #e9ecef;
        }
        
        .user-stat-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        
        .user-stat-value {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 10px 0;
        }
        
        .user-stat-label {
            font-size: 12px;
            color: #666;
            margin: 0;
        }
        
        .user-stat-card.total .user-stat-value { color: #667eea; }
        .user-stat-card.with-rss .user-stat-value { color: #43e97b; }
        .user-stat-card.without-rss .user-stat-value { color: #fa709a; }
        .user-stat-card.with-website .user-stat-value { color: #4facfe; }
        
        .user-table-container {
            overflow-x: auto;
        }
        
        .user-mgmt-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
        }
        
        .user-mgmt-table thead {
            background: #f8f9fa;
        }
        
        .user-mgmt-table th {
            padding: 15px;
            text-align: left;
            font-weight: 600;
            color: #333;
            border-bottom: 2px solid #e9ecef;
            white-space: nowrap;
        }
        
        .user-mgmt-table td {
            padding: 15px;
            border-bottom: 1px solid #e9ecef;
            vertical-align: middle;
        }
        
        .user-mgmt-table tbody tr:hover {
            background: #f8f9fa;
        }
        
        .user-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .user-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 16px;
            flex-shrink: 0;
            font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
        }
        
        .user-details {
            flex: 1;
            min-width: 0;
        }
        
        .user-name {
            font-weight: 600;
            color: #333;
            margin: 0 0 3px 0;
            font-size: 14px;
        }
        
        .user-id {
            font-size: 12px;
            color: #999;
            margin: 0;
        }
        
        .website-input-container,
        .rss-input-container {
            position: relative;
        }
        
        .url-input,
        .rss-input {
            width: 100%;
            padding: 10px 12px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 13px;
            transition: all 0.2s ease;
            background: #fff;
        }
        
        .url-input:focus,
        .rss-input:focus {
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
            outline: none;
        }
        
        .url-input.has-value,
        .rss-input.has-value {
            border-color: #43e97b;
            background: #f8fff9;
        }
        
        .url-input.empty,
        .rss-input.empty {
            border-color: #ddd;
            background: #fff;
        }
        
        .input-status {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ddd;
        }
        
        .input-status.has-value {
            background: #43e97b;
        }
        
        .input-status.empty {
            background: #ddd;
        }
        
        .url-input::placeholder,
        .rss-input::placeholder {
            color: #999;
            font-size: 12px;
        }
        
        .form-actions {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin: 30px 0 0 0;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 8px;
        }
        
        .btn {
            border: none;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            line-height: 1.4;
        }
        
        .btn-save {
            background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
            color: white;
        }
        
        .btn-save:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(67, 233, 123, 0.3);
        }
        
        .btn-reset {
            background: linear-gradient(135deg, #ff6b6b 0%, #ffa8a8 100%);
            color: white;
        }
        
        .btn-reset:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
        }
        
        .btn-refresh {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }
        
        .btn-refresh:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
        }
        
        .message {
            padding: 15px 20px;
            margin: 20px 0;
            border-radius: 8px;
            border: 1px solid;
            animation: slideDown 0.3s ease;
        }
        
        .message.success {
            background: #f0fff4;
            border-color: #c6f6d5;
            color: #22543d;
        }
        
        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @media (max-width: 768px) {
            .user-stats-cards {
                grid-template-columns: 1fr;
            }
            
            .user-mgmt-table {
                display: block;
            }
            
            .form-actions {
                flex-direction: column;
            }
            
            .btn {
                width: 100%;
            }
        }
        </style>

        <div class="user-mgmt-section">
            <div class="user-stats-cards">
                <div class="user-stat-card total">
                    <div class="user-stat-value"><?php echo $totalUsers; ?></div>
                    <div class="user-stat-label">总用户数</div>
                </div>
                <div class="user-stat-card with-website">
                    <div class="user-stat-value"><?php echo $withWebsite; ?></div>
                    <div class="user-stat-label">有网站地址</div>
                </div>
                <div class="user-stat-card with-rss">
                    <div class="user-stat-value"><?php echo $withRss; ?></div>
                    <div class="user-stat-label">有RSS地址</div>
                </div>
                <div class="user-stat-card without-rss">
                    <div class="user-stat-value"><?php echo $withoutRss; ?></div>
                    <div class="user-stat-label">无RSS地址</div>
                </div>
            </div>
        </div>

        <form method="post" action="" id="batch-form">
            <input type="hidden" name="action" value="batch_save">
            
            <div class="user-mgmt-section">
                <!--<div class="user-mgmt-title">RSS及网站地址管理</div>-->
                
                <div class="user-table-container">
                    <table class="user-mgmt-table">
                        <thead>
                            <tr>
                                <th width="20%">用户信息</th>
                                <th width="15%">用户名</th>
                                <th width="30%">网站地址</th>
                                <th width="35%">RSS地址</th>
                            </tr>
                        </thead>
                        <tbody>
                            <?php foreach ($users as $user): ?>
                            <?php 
                            $displayName = !empty($user['screenName']) ? $user['screenName'] : $user['name'];
                            $userUrl = !empty($user['url']) ? $user['url'] : '';
                            $hasWebsite = !empty($user['url']);
                            $hasRss = !empty($user['user_feed']);
                            $userInitial = getUserInitial($displayName);
                            ?>
                            <tr>
                                <td>
                                    <div class="user-info">
                                        <div class="user-avatar">
                                            <?php echo htmlspecialchars($userInitial); ?>
                                        </div>
                                        <div class="user-details">
                                            <div class="user-name"><?php echo htmlspecialchars($displayName); ?></div>
                                            <div class="user-id">UID: <?php echo $user['uid']; ?></div>
                                        </div>
                                    </div>
                                </td>
                                <td>
                                    <div class="user-name"><?php echo htmlspecialchars($user['name']); ?></div>
                                </td>
                                <td>
                                    <div class="website-input-container">
                                        <input type="text" 
                                               name="user_url[<?php echo $user['uid']; ?>]" 
                                               value="<?php echo htmlspecialchars($userUrl); ?>" 
                                               class="url-input <?php echo $hasWebsite ? 'has-value' : 'empty'; ?>" 
                                               placeholder="https://example.com/"
                                               data-uid="<?php echo $user['uid']; ?>"
                                               data-type="url">
                                        <div class="input-status <?php echo $hasWebsite ? 'has-value' : 'empty'; ?>"></div>
                                    </div>
                                </td>
                                <td>
                                    <div class="rss-input-container">
                                        <input type="text" 
                                               name="user_feed[<?php echo $user['uid']; ?>]" 
                                               value="<?php echo htmlspecialchars($user['user_feed']); ?>" 
                                               class="rss-input <?php echo $hasRss ? 'has-value' : 'empty'; ?>" 
                                               placeholder="https://example.com/feed/"
                                               data-uid="<?php echo $user['uid']; ?>"
                                               data-type="rss">
                                        <div class="input-status <?php echo $hasRss ? 'has-value' : 'empty'; ?>"></div>
                                    </div>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                        </tbody>
                    </table>
                </div>
                
                <div class="form-actions">
                    <button type="button" class="btn btn-save" onclick="saveBatch()">
                        批量保存
                    </button>
                    <button type="button" class="btn btn-refresh" onclick="window.location.reload()">
                        刷新页面
                    </button>
                </div>
            </div>
        </form>
    </div>
</div>

<script>
// 显示弹窗
function showToast(message, type = 'success') {
    const container = document.getElementById('toast-container');
    
    const toast = document.createElement('div');
    toast.className = 'toast';
    toast.textContent = message;
    
    // 设置不同颜色的弹窗
    if (type === 'error') {
        toast.style.background = 'linear-gradient(135deg, #ff6b6b 0%, #ffa8a8 100%)';
        toast.style.boxShadow = '0 4px 12px rgba(255, 107, 107, 0.3)';
    } else if (type === 'info') {
        toast.style.background = 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)';
        toast.style.boxShadow = '0 4px 12px rgba(102, 126, 234, 0.3)';
    }
    
    container.appendChild(toast);
    
    // 3秒后移除弹窗
    setTimeout(() => {
        if (toast.parentNode === container) {
            toast.style.animation = 'fadeOut 0.3s ease forwards';
            setTimeout(() => {
                if (toast.parentNode === container) {
                    container.removeChild(toast);
                }
            }, 300);
        }
    }, 2500);
}

// 批量保存
function saveBatch() {
    const form = document.getElementById('batch-form');
    const formData = new FormData(form);
    
    // 检查是否有数据
    let hasData = false;
    const urlInputs = document.querySelectorAll('.url-input');
    const rssInputs = document.querySelectorAll('.rss-input');
    
    urlInputs.forEach(input => {
        if (input.value.trim()) hasData = true;
    });
    
    rssInputs.forEach(input => {
        if (input.value.trim()) hasData = true;
    });
    
    if (!hasData) {
        if (confirm('当前没有设置任何网站地址和RSS地址，确定要继续吗？')) {
            submitBatch(formData);
        }
    } else {
        if (confirm('确定要保存所有用户的网站地址和RSS地址吗？')) {
            submitBatch(formData);
        }
    }
}

// 提交批量保存
function submitBatch(formData) {
    fetch('', {
        method: 'POST',
        body: formData
    })
    .then(response => {
        // 检查响应状态
        if (!response.ok) {
            throw new Error('网络响应不正常: ' + response.status);
        }
        return response.text(); // 先获取文本
    })
    .then(text => {
        try {
            // 尝试解析为JSON
            const data = JSON.parse(text);
            if (data.success) {
                showToast(data.message);
                
                // 更新输入框状态
                updateInputStatus();
            } else {
                showToast(data.message || '保存失败，请重试！', 'error');
            }
        } catch (e) {
            // 如果不是JSON，显示原始响应以便调试
            console.error('响应不是有效的JSON:', text);
            showToast('服务器响应异常: ' + text.substring(0, 100), 'error');
        }
    })
    .catch(error => {
        console.error('Error:', error);
        showToast('网络错误: ' + error.message, 'error');
    });
}

// 更新输入框状态
function updateInputStatus() {
    document.querySelectorAll('.url-input, .rss-input').forEach(function(input) {
        const inputStatus = input.parentNode.querySelector('.input-status');
        if (input.value.trim()) {
            input.classList.remove('empty');
            input.classList.add('has-value');
            inputStatus.classList.remove('empty');
            inputStatus.classList.add('has-value');
        } else {
            input.classList.remove('has-value');
            input.classList.add('empty');
            inputStatus.classList.remove('has-value');
            inputStatus.classList.add('empty');
        }
    });
}

// 单个保存功能（按Enter键保存）
document.querySelectorAll('.url-input, .rss-input').forEach(function(input) {
    input.addEventListener('keypress', function(e) {
        if (e.key === 'Enter') {
            e.preventDefault();
            const uid = this.getAttribute('data-uid');
            const type = this.getAttribute('data-type');
            const value = this.value.trim();
            
            const formData = new FormData();
            formData.append('action', 'save_rss');
            formData.append('uid', uid);
            formData.append('user_feed', type === 'rss' ? value : '');
            if (type === 'url') {
                formData.append('user_url', value);
            }
            
            fetch('', {
                method: 'POST',
                body: formData
            })
            .then(response => {
                if (!response.ok) {
                    throw new Error('网络响应不正常: ' + response.status);
                }
                return response.text();
            })
            .then(text => {
                try {
                    const data = JSON.parse(text);
                    if (data.success) {
                        showToast(data.message);
                        
                        // 更新输入框状态
                        const inputStatus = input.parentNode.querySelector('.input-status');
                        if (value) {
                            input.classList.remove('empty');
                            input.classList.add('has-value');
                            inputStatus.classList.remove('empty');
                            inputStatus.classList.add('has-value');
                        } else {
                            input.classList.remove('has-value');
                            input.classList.add('empty');
                            inputStatus.classList.remove('has-value');
                            inputStatus.classList.add('empty');
                        }
                    } else {
                        showToast(data.message || '保存失败，请重试！', 'error');
                    }
                } catch (e) {
                    console.error('响应不是有效的JSON:', text);
                    showToast('服务器响应异常: ' + text.substring(0, 100), 'error');
                }
            })
            .catch(error => {
                console.error('Error:', error);
                showToast('网络错误: ' + error.message, 'error');
            });
        }
    });
    
    // 输入时实时更新状态
    input.addEventListener('input', function() {
        const inputStatus = this.parentNode.querySelector('.input-status');
        if (this.value.trim()) {
            this.classList.remove('empty');
            this.classList.add('has-value');
            inputStatus.classList.remove('empty');
            inputStatus.classList.add('has-value');
        } else {
            this.classList.remove('has-value');
            this.classList.add('empty');
            inputStatus.classList.remove('has-value');
            inputStatus.classList.add('empty');
        }
    });
});
</script>

<?php
include 'copyright.php';
include 'common-js.php';
include 'footer.php';
?>