<?php
header('Content-Type: application/json');

function findSymlinks($dir) {
    $symlinks = [];
    $iterator = new RecursiveIteratorIterator(
        new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS),
        RecursiveIteratorIterator::SELF_FIRST
    );
    
    foreach ($iterator as $file) {
        if ($file->isLink()) {
            $symlinks[] = [
                'name' => basename($file->getPathname()),
                'path' => $file->getPathname(),
                'target' => readlink($file->getPathname())
            ];
        }
    }
    return $symlinks;
}

$arsenalDir = '/opt/wevads-arsenal/public';
$adxDir = '/opt/wevads/public';

$arsenalSymlinks = findSymlinks($arsenalDir);
$adxSymlinks = findSymlinks($adxDir);

echo json_encode([
    'status' => 'success',
    'data' => [
        'arsenal_symlinks' => $arsenalSymlinks,
        'adx_symlinks' => $adxSymlinks,
        'total_symlinks' => count($arsenalSymlinks) + count($adxSymlinks),
        'shared_apis' => [
            'mta.php' => file_exists('/opt/wevads-arsenal/public/api/mta.php') && is_link('/opt/wevads-arsenal/public/api/mta.php'),
            'tracking_api.php' => file_exists('/opt/wevads-arsenal/public/api/tracking_api.php') && is_link('/opt/wevads-arsenal/public/api/tracking_api.php'),
            'brain_unified_send.php' => file_exists('/opt/wevads-arsenal/public/api/brain_unified_send.php'),
            'health-check.php' => file_exists('/opt/wevads-arsenal/public/api/health-check.php'),
            'offer-engine.php' => file_exists('/opt/wevads-arsenal/public/api/offer-engine.php')
        ]
    ]
]);
?>