<?php

class ManualInvoiceModel extends TTCrudBaseModel {
    public int $id;
    public ?string $invoice_number;
    public int $invoice_date;
    public ?string $leistungszeitraum;
    public ?string $einleitender_text;
    public ?string $externe_referenz;
    public float $gesamtrabatt;
    public int $owner_id;
    public int $billingaddress_id;
    public int $customer_number;
    public ?int $fibu_account_number;
    public ?int $fibu_payment_due;
    public int $fibu_payment_skonto;
    public int $fibu_payment_skonto_rate;
    public ?string $sepa_date;
    public ?string $sepa_id;
    public ?string $sepa_last_date;
    public ?string $fibu_cost_area;
    public ?int $fibu_cost_account;
    public ?int $fibu_cost_account_legacy;
    public ?int $fibu_taxcode;
    public ?string $tax_text;
    public ?string $company;
    public ?string $firstname;
    public ?string $lastname;
    public string $street;
    public string $zip;
    public string $city;
    public ?string $country;
    public ?string $email;
    public ?string $uid;
    public string $billing_type;
    public string $billing_delivery;
    public ?string $bank_account_bank;
    public ?string $bank_account_owner;
    public ?string $bank_account_iban;
    public ?string $bank_account_bic;
    public float $total;
    public float $total_gross;
    public int $vatgroup_id;
    public ?int $bmd_export_date;
    public ?int $date_delivered;
    public string $status;
    public ?int $credit_for_invoice_id;
    public int $create_by;
    public int $edit_by;
    public int $create;
    public int $edit;

    public static function getNextInvoiceNumber() {
        $invoices = parent::getAll(['invoice_number' => '!NULL'], 1, 0, ['key' => 'invoice_number', 'order' => 'DESC']);
        $last = $invoices[0]->invoice_number ?? null;
        $year = date("Y");

        if ($last && preg_match('/^RN(\d+)-C(\d+)$/', $last, $m)) {
            $num = ($m[1] == $year) ? $m[2] + 1 : 1;
        } else {
            $num = 1;
        }

        return sprintf("RN%s-C%06d", $year, $num);
    }

    public function getProperty($name) {
        if (!$this->id) return null;

        switch ($name) {
            case 'positions': return ManualInvoicepositionModel::search(['manualinvoice_id' => $this->id]);
            case 'creator': return $this->create_by ? new User($this->create_by) : null;
            case 'editor': return $this->edit_by ? new User($this->edit_by) : null;
            default:
                $classname = ucfirst($name);
                $idfield = $name . '_id';
                return (property_exists($this, $idfield) && class_exists($classname)) ? new $classname($this->$idfield) : null;
        }
    }
}