<?php
    session_start();
    require_once '../../../assets/utils/db_auth.php';
    require_role($user_role, ['owner', 'admin', 'staff']);
    require_once '../../../assets/utils/classes/UsageGuard.php';
    require_once '../../../assets/utils/classes/PurchaseOrderManager.php';

    $data['items'] = json_decode($data['items'] ?? '[]', true) ?: [];

    try {
        $new_id = null;

        dbTransaction($pdo2, function($pdo) use ($data, $company_id, $logging, &$new_id) {
            $po     = new PurchaseOrderManager($pdo, $company_id);
            $new_id = $po->savePo($data, $logging);
        });

        $answer['success'] = 1;
        if ($new_id) {
            $answer['new_id'] = $new_id;
            (new UsageGuard($pdo1, $company_id, $packages))->increment();
        }

    } catch (PDOException $e) {
        $answer['message'] = 'Database error, please try again.';
        http_response_code(500);

    } catch (Exception $e) {
        $answer['message'] = $e->getMessage();
        http_response_code(400);
    }

    exit(json_encode($answer));
?>