/*
 Theme Name:   Woodmart Child
 Description:  Woodmart Child Theme
 Author:       XTemos
 Author URI:   http://xtemos.com
 Template:     woodmart
 Version:      1.0.0
 Text Domain:  woodmart
*/
/* 筛选表单样式 */
.media-tag-filter {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 30px;
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.tag-item {
    position: relative;
}

.tag-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
}

.tag-badge {
    display: block;
    padding: 8px 15px;
    background: #e9ecef;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid #dee2e6;
}

.tag-item input:checked + .tag-badge {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

/* 图片网格布局 */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.media-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.media-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.media-meta {
    padding: 12px;
    background: rgba(0,0,0,0.7);
    color: white;
}

.media-tags {
    font-size: 0.9em;
    opacity: 0.9;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .media-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
/* 加载动画 */
.loading-spinner {
    width: 40px;
    height: 40px;
    margin: 20px auto;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #0073aa;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 错误提示 */
.error {
    color: #dc3232;
    padding: 20px;
    text-align: center;
}

/* 核心容器 */
.media-filter-system {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 15px;
}

/* 标签控件 */
.media-filter-controls {
    margin-bottom: 2rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.tag-option {
    position: relative;
    cursor: pointer;
}

.tag-option input[type="checkbox"] {
    position: absolute;
    opacity: 0;
}

.tag-label {
    display: block;
    padding: 0.6rem 1.2rem;
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.tag-option input:checked + .tag-label {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

.tag-count {
    font-size: 0.8em;
    opacity: 0.7;
    margin-left: 0.3em;
}

/* 加载状态 */
.media-loading-state {
    text-align: center;
    padding: 2rem;
}

.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0,0,0,0.1);
    border-top-color: #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 结果网格 */
.media-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 1rem 0;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .media-results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tag-label {
        padding: 0.5rem 1rem;
    }
}

/* 自动添加文章标签 */
/​**​
 * 自动为文章生成标签
 */
function auto_generate_tags($post_id, $post) {
    // 避免重复触发
    if (wp_is_post_revision($post_id) || wp_is_post_autosave($post_id)) {
        return;
    }
    
    // 只处理文章类型为 "post"
    if ($post->post_type != 'post') {
        return;
    }
    
    // 获取文章内容并清理HTML标签
    $content = strip_tags($post->post_content);
    
    // 自定义停用词列表（可根据需求扩展）
    $stopwords = array('的', '是', '在', '和', '了', '有', '就', '都', '而', '或', '这', '那', '你', '我', '他', '她', '它');
    
    // 分词处理（示例为简单英文分词，中文需额外处理）
    $words = str_word_count($content, 1);
    // 如果是中文内容，可用以下替代方法（需确保内容为空格分隔的词）
    // $words = explode(' ', mb_strtolower($content));
    
    // 过滤停用词并统计词频
    $keywords = array();
    foreach ($words as $word) {
        $word = mb_strtolower($word); // 转为小写
        if (!in_array($word, $stopwords) && strlen($word) > 2) { // 过滤短词
            $keywords[$word] = isset($keywords[$word]) ? $keywords[$word] + 1 : 1;
        }
    }
    
    // 按词频排序并取前5个词
    arsort($keywords);
    $tags = array_slice(array_keys($keywords), 0, 5);
    
    // 关联标签到文章
    if (!empty($tags)) {
        wp_set_post_tags($post_id, $tags, true); // true 表示追加标签（false 则替换）
    }
}
// 绑定到发布文章的动作
add_action('save_post', 'auto_generate_tags', 10, 2);