<?php
declare(strict_types=1);

final class AuditLog
{
    public function __construct(private string $path = Settings::AUDIT_LOG)
    {
    }

    /** @param array<string,string|int|bool> $fields */
    public function record(string $action, string $user, array $fields = []): void
    {
        $dir = dirname($this->path);
        if (!is_dir($dir)) {
            @mkdir($dir, 0700, true);
        }
        unset($fields['body']);
        $line = json_encode([
            'ts' => date('c'),
            'action' => $action,
            'user' => $user,
            'fields' => $fields,
        ], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
        if ($line !== false) {
            @file_put_contents($this->path, $line . "\n", FILE_APPEND | LOCK_EX);
        }
    }
}