<?php
declare(strict_types=1);

function system_write_audit_log(
    PDO $pdo,
    string $entityName,
    string $entityId,
    string $action,
    ?string $changedBy,
    array $beforeData,
    array $afterData,
    array $context = []
): void {
    $stmt = $pdo->prepare(
        "INSERT INTO audit_log (
            entity_name, entity_id, action, changed_by, before_data, after_data, context
         ) VALUES (
            :entity_name, :entity_id, :action, :changed_by, :before_data::jsonb, :after_data::jsonb, :context::jsonb
         )"
    );
    $stmt->execute([
        ':entity_name' => $entityName,
        ':entity_id' => $entityId,
        ':action' => $action,
        ':changed_by' => $changedBy,
        ':before_data' => json_encode($beforeData, JSON_THROW_ON_ERROR),
        ':after_data' => json_encode($afterData, JSON_THROW_ON_ERROR),
        ':context' => json_encode($context, JSON_THROW_ON_ERROR),
    ]);
}