$log_paths = ['auth_debug.log', 'php/auth_debug.log'];

if (isset($_GET['clear'])) {
    foreach ($log_paths as $path) {
        if (file_exists($path)) @file_put_contents($path, "");
    }
    header('Location: check_auth_log.php');
    exit;
}

header('Content-Type: text/plain');
echo "--- GRID AUTH LOGS ---\n";
echo "Visit ?clear=1 to reset logs.\n\n";

$found = false;
foreach ($log_paths as $path) {
    if (file_exists($path)) {
        echo "LOG FOUND AT [$path]:\n";
        echo file_get_contents($path);
        echo "\n-------------------\n";
        $found = true;
    }
}

if (!$found) {
    echo "No log files found in root or php/ directory.\n";
    echo "Potential causes:\n";
    echo "1. No login attempts made yet.\n";
    echo "2. Permission denied (check if script can write to root directory).\n";
    echo "3. auth.php is not being reached by the form.\n";
}

echo "\n--- SYSTEM CHECK ---\n";
echo "Current File: " . __FILE__ . "\n";
echo "Dir Writeable: " . (is_writable('.') ? 'YES' : 'NO') . "\n";
?>