<?php
// includes/admin_actions.php
require_once __DIR__ . '/config.php';
session_start();

if (empty($_SESSION['is_admin'])) {
    http_response_code(403);
    exit('Access denied');
}

$action = $_GET['action'] ?? '';
switch ($action) {
    case 'rebuild_gallery':
        require_once __DIR__ . '/api.php';
        echo "✅ Gallery cache rebuilt successfully.";
        break;

    case 'rebuild_exif':
        require_once __DIR__ . '/exif_helper.php';
        $dir = $CONFIG['gallery_dir'];
        $rii = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir));
        $count = 0;
        foreach ($rii as $file) {
            if ($file->isFile() && preg_match('/\.jpe?g$/i', $file->getFilename())) {
                get_exif_cached($file->getPathname(), $CONFIG['exif_dir'], 0);
                $count++;
            }
        }
        echo "✅ Rebuilt EXIF cache for {$count} images.";
        break;

    case 'clean_thumbs':
        $thumb_dir = $CONFIG['thumb_dir'];
        $removed = 0;
        foreach (glob($thumb_dir . '/*.jpg') as $t) {
            unlink($t);
            $removed++;
        }
        echo "🧹 Removed {$removed} thumbnails.";
        break;

    case 'restart_php':
        shell_exec('pgrep php-fpm | xargs kill -USR2 2>/dev/null');
        echo "🔄 PHP-FPM reload signal sent.";
        break;

    default:
        echo "Unknown action.";
}