<?php
/**
 * Cleanup Script for Expired Images
 * Run this via cron every hour to delete images older than 24 hours
 *
 * Cron example (runs every hour):
 * 0 * * * * /usr/bin/php /path/to/cleanup.php >> /path/to/cleanup.log 2>&1
 */

require_once 'session_manager.php';

// Check if running from command line or web
$isCLI = php_sapi_name() === 'cli';

if (!$isCLI) {
    // If accessed via web, require authentication or disable
    // For now, we'll allow it but you should add authentication in production
    header('Content-Type: application/json');
}

try {
    $result = SessionManager::cleanupExpiredImages();

    $output = [
        'success' => true,
        'message' => "Cleanup completed successfully",
        'cleaned_images' => $result['cleaned'],
        'errors' => $result['errors'],
        'timestamp' => $result['timestamp']
    ];

    if ($isCLI) {
        echo "=== Image Cleanup Report ===\n";
        echo "Timestamp: {$result['timestamp']}\n";
        echo "Images cleaned: {$result['cleaned']}\n";
        if (!empty($result['errors'])) {
            echo "Errors encountered: " . count($result['errors']) . "\n";
            foreach ($result['errors'] as $error) {
                echo "  - $error\n";
            }
        }
        echo "===========================\n\n";
    } else {
        echo json_encode($output, JSON_PRETTY_PRINT);
    }

    exit(0);

} catch (Exception $e) {
    $output = [
        'success' => false,
        'error' => $e->getMessage(),
        'timestamp' => date('Y-m-d H:i:s')
    ];

    if ($isCLI) {
        echo "ERROR: {$e->getMessage()}\n";
        exit(1);
    } else {
        http_response_code(500);
        echo json_encode($output, JSON_PRETTY_PRINT);
        exit(1);
    }
}