<?php

namespace App\Policies;

use App\Authorization\Permission;
use App\Models\Invoice;
use App\Models\User;

/**
 * Rechnungen des neuen Rechnungsausgangs (STR/MAN). Kunden sehen ihre
 * eigenen Belege, die Bearbeitung (senden, bezahlt, stornieren) ist an
 * `billing:manage` gebunden.
 */
class InvoicePolicy
{
    public function before(User $user): ?bool
    {
        return $user->is_super_admin ? true : null;
    }

    public function view(User $user, Invoice $invoice): bool
    {
        if ($user->can(Permission::BillingManage)) {
            return true;
        }

        return $invoice->user_id === $user->id;
    }

    public function downloadPdf(User $user, Invoice $invoice): bool
    {
        return $invoice->isManual() && $this->view($user, $invoice);
    }

    public function manage(User $user, Invoice $invoice): bool
    {
        return $user->can(Permission::BillingManage);
    }
}