<?php

namespace Modules\PageBuilder\Controllers;

use Kernel\View;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Modules\PageBuilder\Models\Page;
use Modules\Auth\Models\User;
use Twig\Error\LoaderError;

class PageController
{
    protected View $view;

    public function __construct(View $view)
    {
        $this->view = $view;
    }

    /**
     * Displays a custom page by slug.
     */
    public function show(Request $request, string $slug): Response
    {
        $query = Page::where('pages_slug', $slug);

        // If not admin, display only published pages
        if (!$this->isAdmin()) {
            $query->published();
        }

        $page = $query->first();

        if (!$page) {
            return new Response('Página não encontrada', 404);
        }

        return $this->renderPage($page);
    }

    /**
     * Renders the page with error handling.
     */
    private function renderPage(Page $page): Response
    {
        $data = [
            'page' => $page,
            'title' => $page->meta_title ?: $page->title,
            'meta_description' => $page->meta_description,
            'custom_css' => $page->getCustomCss(),
            'custom_js' => $page->getCustomJs(),
            'css_classes' => $page->getCssClasses()
        ];

        try {
            return new Response($this->view->render($page->getLayoutPath(), $data));
        } catch (LoaderError $e) {
            // If the template is not found, try the default layout
            error_log("Template error for page {$page->pages_slug}: " . $e->getMessage());
            return new Response($this->view->render('default.twig', $data));
        }
    }

    /**
     * Checks if the current user is admin.
     */
    private function isAdmin(): bool
    {
        if (session_status() === PHP_SESSION_NONE) {
            session_start();
        }

        if (!isset($_SESSION['user_id'])) {
            return false;
        }

        try {
            $user = User::find($_SESSION['user_id']);
            return $user && ($user->isSuperAdmin() || $user->isAdmin());
        } catch (\Exception $e) {
            return false;
        }
    }
}