<?php
namespace App\Controllers;

use App\Core\Lang;
use App\Core\Security;
use App\Models\PageModel;
use App\Models\NewsModel;
use App\Models\SubsidiaryModel;
use App\Models\Database;

class PageController
{
    private string $lang;

    public function __construct(private Lang $langService)
    {
        $this->lang = $langService->getCurrent();
        date_default_timezone_set('Africa/Lome');
    }

    private function render(string $view, array $data = []): void
    {
        $data['lang']        = $this->lang;
        $data['langService'] = $this->langService;
        $data['t']           = fn(string $k, array $r = []) => $this->langService->t($k, $r);
        $data['e']           = fn(mixed $v) => Security::e($v);
        $data['config']      = require dirname(__DIR__, 2) . '/config.php';

        extract($data, EXTR_SKIP);

        $viewFile = dirname(__DIR__, 2) . "/views/{$view}.php";
        if (!file_exists($viewFile)) {
            http_response_code(500);
            die("View not found: {$view}");
        }

        $layoutFile = dirname(__DIR__, 2) . '/views/layout.php';
        require $layoutFile;
    }

    private function view(string $view, array $data = []): string
    {
        ob_start();
        extract($data, EXTR_SKIP);
        require dirname(__DIR__, 2) . "/views/{$view}.php";
        return ob_get_clean();
    }

    public function home(array $params = []): void
    {
        $featured   = NewsModel::getFeatured($this->lang, 4);
        $grouped    = SubsidiaryModel::groupedByPole($this->lang);

        $this->render('pages/home', [
            'title'      => 'QUAADRAA — Growth Accelerator',
            'meta_desc'  => $this->langService->t('meta.home_desc'),
            'featured'   => $featured,
            'grouped'    => $grouped,
            'page'       => 'home',
        ]);
    }

    public function about(array $params = []): void
    {
        $slug = $this->lang === 'fr' ? 'qui-sommes-nous' : 'about';
        $page = PageModel::getBySlug($slug, $this->lang);

        $this->render('pages/about', [
            'title'     => $this->langService->t('nav.about') . ' — QUAADRAA',
            'meta_desc' => $page['meta_desc'] ?? '',
            'page'      => 'about',
            'pageData'  => $page,
        ]);
    }

    public function vision(array $params = []): void
    {
        $this->render('pages/vision', [
            'title'    => $this->langService->t('nav.vision') . ' — QUAADRAA',
            'meta_desc'=> $this->langService->t('meta.vision_desc'),
            'page'     => 'vision',
        ]);
    }

    public function activities(array $params = []): void
    {
        $grouped = SubsidiaryModel::groupedByPole($this->lang);

        $this->render('pages/activities', [
            'title'    => $this->langService->t('nav.activities') . ' — QUAADRAA',
            'meta_desc'=> $this->langService->t('meta.activities_desc'),
            'grouped'  => $grouped,
            'page'     => 'activities',
        ]);
    }

    public function pole(array $params = []): void
    {
        $pole = $params['pole'] ?? '';
        $subs = SubsidiaryModel::getByPole($pole, $this->lang);

        if (empty($subs)) {
            http_response_code(404);
            $this->render('errors/404', ['title' => '404']);
            return;
        }

        $poleLabel = $this->langService->t("poles.{$pole}");

        $this->render('pages/pole', [
            'title'     => $poleLabel . ' — QUAADRAA',
            'meta_desc' => "Découvrez le pôle {$poleLabel} du groupe QUAADRAA.",
            'pole'      => $pole,
            'poleLabel' => $poleLabel,
            'subs'      => $subs,
            'page'      => 'activities',
        ]);
    }

    public function subsidiary(array $params = []): void
    {
        $slug = $params['slug'] ?? '';
        $sub  = SubsidiaryModel::getBySlug($slug, $this->lang);

        if (!$sub) {
            http_response_code(404);
            $this->render('errors/404', ['title' => '404']);
            return;
        }

        $newsRel = Database::fetchAll(
            'SELECT * FROM news WHERE subsidiary_id = (SELECT id FROM subsidiaries WHERE slug = :slug)
             AND lang = :lang AND is_published = 1 ORDER BY published_at DESC LIMIT 3',
            [':slug' => $slug, ':lang' => $this->lang]
        );

        $this->render('pages/subsidiary', [
            'title'    => $sub['name'] . ' — QUAADRAA',
            'meta_desc'=> $sub['meta_desc'],
            'sub'      => $sub,
            'newsRel'  => $newsRel,
            'page'     => 'activities',
        ]);
    }

    public function newsList(array $params = []): void
    {
        $config  = require dirname(__DIR__, 2) . '/config.php';
        $perPage = $config['pagination']['news_per_page'];
        $currentPage = max(1, (int)($_GET['p'] ?? 1));
        $total   = NewsModel::count($this->lang);
        $news    = NewsModel::getAll($this->lang, $currentPage, $perPage);
        $pages   = (int)ceil($total / $perPage);

        $this->render('pages/news-list', [
            'title'       => $this->langService->t('nav.news') . ' — QUAADRAA',
            'meta_desc'   => $this->langService->t('meta.news_desc'),
            'news'        => $news,
            'currentPage' => $currentPage,
            'totalPages'  => $pages,
            'page'        => 'news',
        ]);
    }

    public function newsDetail(array $params = []): void
    {
        $slug    = $params['slug'] ?? '';
        $article = NewsModel::getBySlug($slug, $this->lang);

        if (!$article) {
            http_response_code(404);
            $this->render('errors/404', ['title' => '404']);
            return;
        }

        $this->render('pages/news-detail', [
            'title'    => $article['title'] . ' — QUAADRAA',
            'meta_desc'=> $article['excerpt'],
            'article'  => $article,
            'page'     => 'news',
        ]);
    }

    public function contact(array $params = []): void
    {
        $this->render('pages/contact', [
            'title'    => $this->langService->t('nav.contact') . ' — QUAADRAA',
            'meta_desc'=> $this->langService->t('meta.contact_desc'),
            'page'     => 'contact',
            'csrf'     => Security::csrfToken(),
            'success'  => false,
            'errors'   => [],
        ]);
    }

    public function contactSubmit(array $params = []): void
    {
        Security::verifyCsrf();

        if (!empty($_POST['website_check'])) {
            Security::log('SPAM_DETECTED', 'Tentative via honeypot depuis IP: ' . ($_SERVER['REMOTE_ADDR'] ?? 'inconnue'));
            
            $this->render('pages/contact', [
                'title'    => $this->langService->t('nav.contact') . ' — QUAADRAA',
                'success'  => true,
                'errors'   => [],
                'csrf'     => Security::csrfToken(),
                'page'     => 'contact',
            ]);
            return;
        }

        if (!Security::rateLimit('contact_' . ($_SERVER['REMOTE_ADDR'] ?? 'unknown'), 3, 600)) {
            Security::log('RATE_LIMIT_EXCEEDED', 'Limitation atteinte par IP: ' . ($_SERVER['REMOTE_ADDR'] ?? 'inconnue'));
            
            $this->render('pages/contact', [
                'title'   => $this->langService->t('nav.contact') . ' — QUAADRAA',
                'errors'  => ['rate' => $this->langService->t('contact.rate_limit')],
                'success' => false,
                'csrf'    => Security::csrfToken(),
                'page'    => 'contact',
            ]);
            return;
        }
        $errors = [];
        $name    = trim($_POST['full_name'] ?? '');
        $email   = Security::sanitizeEmail($_POST['email'] ?? '');
        $phone   = trim($_POST['phone'] ?? '');
        $company = trim($_POST['company'] ?? '');
        $subject = trim($_POST['subject'] ?? '');
        $message = trim($_POST['message'] ?? '');

        if (strlen($name) < 2)            $errors['full_name'] = $this->langService->t('contact.err_name');
        if (!filter_var($email, FILTER_VALIDATE_EMAIL)) $errors['email'] = $this->langService->t('contact.err_email');
        if (strlen($subject) < 3)        $errors['subject'] = $this->langService->t('contact.err_subject');
        if (strlen($message) < 10)       $errors['message'] = $this->langService->t('contact.err_message');

        if (!empty($errors)) {
            $this->render('pages/contact', [
                'title'   => $this->langService->t('nav.contact') . ' — QUAADRAA',
                'errors'  => $errors,
                'old'     => $_POST,
                'success' => false,
                'csrf'    => Security::csrfToken(),
                'page'    => 'contact',
            ]);
            return;
        }

        Database::insert(
            'INSERT INTO contacts (full_name, email, phone, company, subject, message, lang, ip_address)
             VALUES (:full_name, :email, :phone, :company, :subject, :message, :lang, :ip)',
            [
                ':full_name' => $name,
                ':email'     => $email,
                ':phone'     => $phone,
                ':company'   => $company,
                ':subject'   => $subject,
                ':message'   => $message,
                ':lang'      => $this->lang,
                ':ip'        => $_SERVER['REMOTE_ADDR'] ?? '',
            ]
        );

        $this->render('pages/contact', [
            'title'   => $this->langService->t('nav.contact') . ' — QUAADRAA',
            'success' => true,
            'errors'  => [],
            'csrf'    => Security::csrfToken(),
            'page'    => 'contact',
        ]);
    }
    public static function getTranslatedUrlFromSlug(string $slug, string $targetLang): string
{
    $map = [
        'fr' => [
            'about'           => 'qui-sommes-nous',
            'vision'           => 'vision',
            'activities'      => 'activites',
            'news'            => 'actualites'
        ],
        'en' => [
            'qui-sommes-nous' => 'about',
            'vision'           => 'vision',
            'activites'       => 'activities',
            'actualites'            => 'news'
        ]
    ];

    return $map[$targetLang][$slug] ?? $slug;
}
}