<?php

namespace App\Livewire\Web\Components\Ui;

use Livewire\Component;

class Header extends Component
{
    public $isMobileMenuOpen = false;
    public $domainName;
    public $domainUrl;
    public $content = [];
    public $currentLocale;
    public $availableLocales = [
        'de' => 'DE',
        'en' => 'EN',
    ];

    /** Farbwelt der Seite (`interior` | `immobilien`), in mount() festgehalten. */
    public string $world = 'interior';

    /** @var array<string, array{label: string, url: string, active: bool}> */
    public array $worlds = [];

    public string $logoPath = '';

    /** Pfad der Seite, in mount() festgehalten – ein Livewire-Request traegt ihn nicht mehr. */
    public string $currentPath = '/';

    /** Ziel des Kontakt-Buttons: /contact (Interior) bzw. /immobilien/kontakt (Immobilien). */
    public string $contactUrl = '';

    public function mount(): void
    {
        $this->domainName = \App\Helpers\ThemeHelper::getDomainName();
        $this->domainUrl = \App\Helpers\ThemeHelper::getDomainUrl();
        $this->currentLocale = app()->getLocale();
        $this->world = b2in_world();
        $this->worlds = b2in_worlds($this->world);
        $this->logoPath = \App\Helpers\ThemeHelper::getLogoPath('positive', $this->world);
        $this->currentPath = '/'.ltrim(request()->path(), '/');
        $this->contactUrl = route($this->world === 'immobilien' ? 'immobilien.contact' : 'contact');

        // Jede Welt hat ihre eigene Navigation (CMS: global.header bzw. global.header_immobilien).
        $this->content = cms_theme_section($this->world === 'immobilien' ? 'header_immobilien' : 'header');

        // Ensure required keys exist
        if (!isset($this->content['portal_login'])) {
            $this->content['portal_login'] = 'Portal Login';
        }
        if (!isset($this->content['navigation']) || !is_array($this->content['navigation'])) {
            $this->content['navigation'] = [];
        }

        // Referenzen lassen sich im CMS ausblenden; dann verschwindet auch der Menüpunkt.
        if (! references_page_enabled()) {
            $this->content['navigation'] = array_values(array_filter(
                $this->content['navigation'],
                fn ($item) => rtrim(parse_url((string) ($item['url'] ?? ''), PHP_URL_PATH) ?? '', '/') !== '/referenzen',
            ));
        }
    }

    public function switchLanguage(string $locale): mixed
    {
        if (array_key_exists($locale, $this->availableLocales)) {
            app()->setLocale($locale);
            session(['locale' => $locale]);
            $this->currentLocale = $locale;

            $referer = request()->header('Referer') ?? '/';

            return redirect()->to($referer);
        }

        return null;
    }

    public function toggleMobileMenu(): void
    {
        $this->isMobileMenuOpen = ! $this->isMobileMenuOpen;
    }

    public function closeMobileMenu(): void
    {
        $this->isMobileMenuOpen = false;
    }
    /**
     * Aktiver Navigationspunkt: exakter Treffer, sonst der laengste Eintrag, dessen Pfad ein
     * Praefix der Seite ist. So markiert /immobilien/magazin nur „Magazin“, nicht auch
     * „Immobilien“. Anker (#…) zaehlen nicht zum Pfad.
     */
    public function isActiveRoute($url): bool
    {
        $path = $this->navPath((string) $url);

        if ($this->currentPath === $path) {
            return true;
        }

        if ($path === '/' || ! str_starts_with($this->currentPath, rtrim($path, '/').'/')) {
            return false;
        }

        foreach ($this->content['navigation'] ?? [] as $navItem) {
            $other = $this->navPath((string) ($navItem['url'] ?? ''));

            if ($other === $this->currentPath) {
                return false;
            }

            if (strlen($other) > strlen($path) && str_starts_with($this->currentPath, rtrim($other, '/').'/')) {
                return false;
            }
        }

        return true;
    }

    private function navPath(string $url): string
    {
        $path = (string) (parse_url($url, PHP_URL_PATH) ?? '/');

        return '/'.ltrim($path, '/');
    }
    public function render()
    {
        return view('livewire.web.components.ui.header');
    }
}