<?php

final class Audit {

    public static function record(PDO $db, int $user, string $event): void {
        try {
            self::insert($db, $user, $event);
        } catch (Throwable $e) {
            error_log('Audit write failed: ' . $e->getMessage());
        }
    }

    public static function required(PDO $db, int $user, string $event): void {
        if (!$db->inTransaction())
            throw new LogicException('Required audit writes need a transaction.');
        self::insert($db, $user, $event);
    }

    public static function insert(PDO $db, int $user, string $event): void {
        $stmt = $db->prepare('INSERT INTO journal(journal_origin,journal_ip,journal_entry) VALUES(?,?,?)');
        $stmt->execute([(string) $user, $_SERVER['REMOTE_ADDR'] ?? '', $user . ' ' . $event]);
    }
}