<?php
/**
 * Copyright seit 2024 Webshop System
 *
 * Context-System für PrestaShop-Modul-Kompatibilität
 *
 * @author    Webshop System
 * @license   GPL v3
 */

namespace App\Core;

class Context
{
    private static $instance = null;
    private $shop;
    private $language;
    private $currency;
    private $country;
    private $employee;
    private $customer;
    private $cart;
    private $cookie;
    private $link;
    private $smarty;
    private $controller;
    private $mobile;
    private $mobile_device;
    private $mode;
    private $override;
    private $translator;
    private $registry;
    
    private function __construct()
    {
        $this->initializeContext();
    }
    
    /**
     * Singleton-Instanz abrufen
     */
    public static function getContext()
    {
        if (self::$instance === null) {
            self::$instance = new self();
        }
        return self::$instance;
    }
    
    /**
     * Context initialisieren
     */
    private function initializeContext()
    {
        $this->shop = new Shop();
        $this->language = new Language();
        $this->currency = new Currency();
        $this->country = new Country();
        $this->employee = null;
        $this->customer = null;
        $this->cart = null;
        $this->cookie = new Cookie();
        $this->link = new Link();
        $this->smarty = new \Smarty();
        $this->controller = null;
        $this->mobile = false;
        $this->mobile_device = false;
        $this->mode = 'front';
        $this->override = new Override();
        $this->translator = new Translator();
        $this->registry = [];
        
        // Smarty-Konfiguration
        $this->configureSmarty();
    }
    
    /**
     * Smarty konfigurieren
     */
    private function configureSmarty()
    {
        $this->smarty->setTemplateDir(__DIR__ . '/../../templates/');
        $this->smarty->setCompileDir(__DIR__ . '/../../cache/smarty/compile/');
        $this->smarty->setCacheDir(__DIR__ . '/../../cache/smarty/cache/');
        $this->smarty->setConfigDir(__DIR__ . '/../../config/');
        
        // Smarty-Plugins registrieren
        $this->smarty->registerPlugin('function', 'l', [$this->translator, 'l']);
        $this->smarty->registerPlugin('function', 'url', [$this->link, 'getPageLink']);
        $this->smarty->registerPlugin('function', 'hook', [$this, 'hook']);
        
        // Globale Variablen setzen
        $this->smarty->assign('context', $this);
        $this->smarty->assign('shop', $this->shop);
        $this->smarty->assign('language', $this->language);
        $this->smarty->assign('currency', $this->currency);
    }
    
    /**
     * Shop-Instanz abrufen
     */
    public function getShop()
    {
        return $this->shop;
    }
    
    /**
     * Shop-Instanz setzen
     */
    public function setShop($shop)
    {
        $this->shop = $shop;
        return $this;
    }
    
    /**
     * Language-Instanz abrufen
     */
    public function getLanguage()
    {
        return $this->language;
    }
    
    /**
     * Language-Instanz setzen
     */
    public function setLanguage($language)
    {
        $this->language = $language;
        return $this;
    }
    
    /**
     * Currency-Instanz abrufen
     */
    public function getCurrency()
    {
        return $this->currency;
    }
    
    /**
     * Currency-Instanz setzen
     */
    public function setCurrency($currency)
    {
        $this->currency = $currency;
        return $this;
    }
    
    /**
     * Country-Instanz abrufen
     */
    public function getCountry()
    {
        return $this->country;
    }
    
    /**
     * Country-Instanz setzen
     */
    public function setCountry($country)
    {
        $this->country = $country;
        return $this;
    }
    
    /**
     * Employee-Instanz abrufen
     */
    public function getEmployee()
    {
        return $this->employee;
    }
    
    /**
     * Employee-Instanz setzen
     */
    public function setEmployee($employee)
    {
        $this->employee = $employee;
        return $this;
    }
    
    /**
     * Customer-Instanz abrufen
     */
    public function getCustomer()
    {
        return $this->customer;
    }
    
    /**
     * Customer-Instanz setzen
     */
    public function setCustomer($customer)
    {
        $this->customer = $customer;
        return $this;
    }
    
    /**
     * Cart-Instanz abrufen
     */
    public function getCart()
    {
        return $this->cart;
    }
    
    /**
     * Cart-Instanz setzen
     */
    public function setCart($cart)
    {
        $this->cart = $cart;
        return $this;
    }
    
    /**
     * Cookie-Instanz abrufen
     */
    public function getCookie()
    {
        return $this->cookie;
    }
    
    /**
     * Cookie-Instanz setzen
     */
    public function setCookie($cookie)
    {
        $this->cookie = $cookie;
        return $this;
    }
    
    /**
     * Link-Instanz abrufen
     */
    public function getLink()
    {
        return $this->link;
    }
    
    /**
     * Link-Instanz setzen
     */
    public function setLink($link)
    {
        $this->link = $link;
        return $this;
    }
    
    /**
     * Smarty-Instanz abrufen
     */
    public function getSmarty()
    {
        return $this->smarty;
    }
    
    /**
     * Smarty-Instanz setzen
     */
    public function setSmarty($smarty)
    {
        $this->smarty = $smarty;
        return $this;
    }
    
    /**
     * Controller-Instanz abrufen
     */
    public function getController()
    {
        return $this->controller;
    }
    
    /**
     * Controller-Instanz setzen
     */
    public function setController($controller)
    {
        $this->controller = $controller;
        return $this;
    }
    
    /**
     * Mobile-Status abrufen
     */
    public function getMobile()
    {
        return $this->mobile;
    }
    
    /**
     * Mobile-Status setzen
     */
    public function setMobile($mobile)
    {
        $this->mobile = $mobile;
        return $this;
    }
    
    /**
     * Mobile-Device-Status abrufen
     */
    public function getMobileDevice()
    {
        return $this->mobile_device;
    }
    
    /**
     * Mobile-Device-Status setzen
     */
    public function setMobileDevice($mobile_device)
    {
        $this->mobile_device = $mobile_device;
        return $this;
    }
    
    /**
     * Mode abrufen
     */
    public function getMode()
    {
        return $this->mode;
    }
    
    /**
     * Mode setzen
     */
    public function setMode($mode)
    {
        $this->mode = $mode;
        return $this;
    }
    
    /**
     * Override-Instanz abrufen
     */
    public function getOverride()
    {
        return $this->override;
    }
    
    /**
     * Translator-Instanz abrufen
     */
    public function getTranslator()
    {
        return $this->translator;
    }
    
    /**
     * Registry-Wert abrufen
     */
    public function get($key, $default = null)
    {
        return isset($this->registry[$key]) ? $this->registry[$key] : $default;
    }
    
    /**
     * Registry-Wert setzen
     */
    public function set($key, $value)
    {
        $this->registry[$key] = $value;
        return $this;
    }
    
    /**
     * Registry-Wert entfernen
     */
    public function remove($key)
    {
        unset($this->registry[$key]);
        return $this;
    }
    
    /**
     * Hook ausführen
     */
    public function hook($hookName, $params = [])
    {
        return Hook::exec($hookName, $params);
    }
    
    /**
     * Admin-Kontext prüfen
     */
    public function isAdmin()
    {
        return $this->mode === 'admin';
    }
    
    /**
     * Frontend-Kontext prüfen
     */
    public function isFront()
    {
        return $this->mode === 'front';
    }
    
    /**
     * CLI-Kontext prüfen
     */
    public function isCli()
    {
        return $this->mode === 'cli';
    }
    
    /**
     * Context zurücksetzen
     */
    public function reset()
    {
        $this->employee = null;
        $this->customer = null;
        $this->cart = null;
        $this->controller = null;
        $this->registry = [];
        
        return $this;
    }
    
    /**
     * Context-Informationen abrufen
     */
    public function getContextInfo()
    {
        return [
            'mode' => $this->mode,
            'mobile' => $this->mobile,
            'mobile_device' => $this->mobile_device,
            'shop_id' => $this->shop ? $this->shop->getId() : null,
            'language_id' => $this->language ? $this->language->getId() : null,
            'currency_id' => $this->currency ? $this->currency->getId() : null,
            'employee_id' => $this->employee ? $this->employee->getId() : null,
            'customer_id' => $this->customer ? $this->customer->getId() : null,
            'cart_id' => $this->cart ? $this->cart->getId() : null
        ];
    }
}

// Hilfsklassen für Context
class Shop
{
    private $id;
    private $name;
    private $url;
    
    public function __construct()
    {
        $this->id = 1;
        $this->name = 'Webshop';
        $this->url = $_SERVER['HTTP_HOST'] ?? 'localhost';
    }
    
    public function getId() { return $this->id; }
    public function getName() { return $this->name; }
    public function getUrl() { return $this->url; }
}

class Language
{
    private $id;
    private $iso_code;
    private $name;
    
    public function __construct()
    {
        $this->id = 1;
        $this->iso_code = 'de';
        $this->name = 'Deutsch';
    }
    
    public function getId() { return $this->id; }
    public function getIsoCode() { return $this->iso_code; }
    public function getName() { return $this->name; }
}

class Currency
{
    private $id;
    private $iso_code;
    private $symbol;
    
    public function __construct()
    {
        $this->id = 1;
        $this->iso_code = 'EUR';
        $this->symbol = '€';
    }
    
    public function getId() { return $this->id; }
    public function getIsoCode() { return $this->iso_code; }
    public function getSymbol() { return $this->symbol; }
}

class Country
{
    private $id;
    private $iso_code;
    private $name;
    
    public function __construct()
    {
        $this->id = 1;
        $this->iso_code = 'DE';
        $this->name = 'Deutschland';
    }
    
    public function getId() { return $this->id; }
    public function getIsoCode() { return $this->iso_code; }
    public function getName() { return $this->name; }
}

class Cookie
{
    private $data = [];
    
    public function __construct()
    {
        $this->data = $_COOKIE ?? [];
    }
    
    public function get($key, $default = null)
    {
        return isset($this->data[$key]) ? $this->data[$key] : $default;
    }
    
    public function set($key, $value, $expire = 0)
    {
        $this->data[$key] = $value;
        setcookie($key, $value, $expire, '/');
    }
    
    public function delete($key)
    {
        unset($this->data[$key]);
        setcookie($key, '', time() - 3600, '/');
    }
}

class Link
{
    public function getPageLink($controller, $ssl = null, $id_lang = null, $request = null, $request_url_encode = false, $id_shop = null, $relative_protocol = false)
    {
        $baseUrl = 'http://' . ($_SERVER['HTTP_HOST'] ?? 'localhost');
        return $baseUrl . '/' . $controller . '.php';
    }
}

class Translator
{
    public function l($string, $class = null, $addslashes = false, $htmlentities = true)
    {
        // Einfache Übersetzung - in echten System würde hier eine Übersetzungsdatei geladen
        $translations = [
            'Home' => 'Startseite',
            'Products' => 'Produkte',
            'Cart' => 'Warenkorb',
            'Checkout' => 'Kasse',
            'Login' => 'Anmelden',
            'Register' => 'Registrieren',
            'Search' => 'Suche',
            'Contact' => 'Kontakt',
            'About' => 'Über uns',
            'Terms' => 'AGB',
            'Privacy' => 'Datenschutz',
            'Imprint' => 'Impressum'
        ];
        
        return isset($translations[$string]) ? $translations[$string] : $string;
    }
}