<?php
declare(strict_types=1);

function currentUserRole(): string
{
    return trim((string) ($_SESSION['role'] ?? ''));
}

function isMasterRole(?string $role): bool
{
    return trim((string) $role) === 'master';
}

function isAdminLikeRole(?string $role): bool
{
    $normalizedRole = trim((string) $role);

    return $normalizedRole === 'admin' || $normalizedRole === 'master';
}

function currentUserIsAdminLike(): bool
{
    return isAdminLikeRole(currentUserRole());
}

function publicAccessAllowlist(): array
{
    return [
        'login.php',
        'register.php',
        'logout.php',
    ];
}

function currentPublicPageKey(): string
{
    $scriptName = str_replace('\\', '/', (string) ($_SERVER['SCRIPT_NAME'] ?? ''));
    $scriptName = ltrim($scriptName, '/');

    if ($scriptName === '') {
        return '';
    }

    $publicMarker = 'public/';
    $publicPosition = strpos($scriptName, $publicMarker);
    if ($publicPosition !== false) {
        return substr($scriptName, $publicPosition + strlen($publicMarker));
    }

    return $scriptName;
}

function manageablePublicPages(): array
{
    return [
        'index.php' => 'Startseite',
        'settings.php' => 'Einstellungen',
        'my_favorites.php' => 'Favoriten',
        'moonphase.php' => 'Mondphase',
        'planetensichtbarkeit.php' => 'Planetensichtbarkeit',
        'tcrb_lightcurve.php' => 'T CrB Lichtkurve',
        'solarsystem.php' => 'Sonnensystem',
        'jupitersystem.php' => 'Jupitersystem',
        'tagbogen.php' => 'Tagbogen',
        'sternenhimmel.php' => 'Sternenhimmel',
        'meteorshowers.php' => 'Meteorströme',
        'geocron/index.php' => 'Geocron',
        'geocron3d.php' => 'Geocron 3D',
        'mondfinsternis.php' => 'Mondfinsternis',
        'sonnenfinsternis.php' => 'Sonnenfinsternis',
        'bedeckung.php' => 'Bedeckungsphänomene',
        'sternbedeckungen.php' => 'Mond-Stern-Bedeckungen',
        'monatsvorhersage.php' => 'Monatsvorhersage',
        'wochenvorhersage.php' => 'Wochenvorhersage',
        'satellitenhimmel.php' => 'Satellitenhimmel',
    ];
}