<?php
/**
 * 检查主题更新
 */
function check_theme_update() {
    $api_url = 'https://your-site.com/api/update/check';
    $params = [
        'slug' => 'my-theme',
        'version' => 'v1.0.0',
        'type' => 'theme'
    ];
    
    $response = file_get_contents($api_url . '?' . http_build_query($params));
    $data = json_decode($response, true);
    
    if ($data['success'] && $data['has_update']) {
        // 有新版本可用
        echo "发现新版本: " . $data['latest_version'];
        echo "更新日志: " . $data['changelog'];
        echo "下载地址: " . $data['download_url'];
    }
    
    return $data;
}

// 在后台显示更新提示
add_action('admin_notices', function() {
    $update = check_theme_update();
    if ($update['has_update']) {
        echo '<div class="notice">主题有新版本 ' . $update['latest_version'] . ' 可用</div>';
    }
});

// 检查更新
async function checkUpdate() {
    const response = await fetch('/api/update/check?slug=my-theme&version=v1.0.0');
    const data = await response.json();
    
    if (data.success && data.has_update) {
        console.log('发现新版本:', data.latest_version);
        console.log('更新日志:', data.changelog);
        
        // 显示更新提示
        showUpdateNotification(data);
    }
    
    return data;
}

// 下载更新
function downloadUpdate(productId) {
    window.location.href = '/api/update/download/' + productId;
}