<?php
declare(strict_types=1);

namespace Model;

class Context
{
    public ?int $requestTime = null;
    public ?Session $session = null;
    public ?string $currentPage = null;
    public ?array $navigation = null;

    protected function initNavigation()
    {
        $this->navigation = [];
        $this->navigation[] = new NavigationEntry('Startseite', '/');
        if ($this->session === null) {
            $this->navigation[] = new NavigationEntry('Registrieren', '/register.php');
            $this->navigation[] = new NavigationEntry('Einloggen', '/login.php');
        } else {
            $this->navigation[] = new NavigationEntry('Umsatzübersicht', '/bookings.php');
            if ($this->session->user->isAdmin) {
                $this->navigation[] = new NavigationEntry('Einzahlen', '/deposit.php');
                $this->navigation[] = new NavigationEntry('Auszahlen', '/withdraw.php');
            }
            $this->navigation[] = new NavigationEntry('Überweisen', '/transfer.php');
            $this->navigation[] = new NavigationEntry('Ausloggen', '/logout.php');
        }
    }

    public static function init(string $url): self
    {
        $context = new self();
        $context->requestTime = time();
        $context->currentPage = $url;
        $context->session = Session::load();
        $context->initNavigation();
        return $context;
    }
}