<?php
/**
* Since 2013 Ovidiu Cimpean.
*
* Ovidiu Cimpean - Newsletter Pro © All rights reserved.
*
* DISCLAIMER
*
* Do not edit, modify or copy this file.
* If you wish to customize it, contact us at addons4prestashop@gmail.com.
*
* @author    Ovidiu Cimpean <addons4prestashop@gmail.com>
* @copyright Since 2013 Ovidiu Cimpean
* @license   Do not edit, modify or copy this file
*
* @version   Release: 4
*/

class NewsletterProExtendProductVariables
{
    private $module;

    private $images;

    private $attributes_groups;

    private $attributes_combinations;

    private $prices;

    private $prices_attributes;

    private $variables;

    private $variables_lang;

    public function __construct(&$params, $product, $context)
    {
        $this->module = NewsletterPro::getInstance();

        $this->images = &$params['images'];
        $this->attributes_groups = &$params['attributes_groups'];
        $this->attributes_combinations = &$params['attributes_combinations'];
        $this->prices = &$params['prices'];
        $this->prices_attributes = &$params['prices_attributes'];
        $this->variables = &$params['variables'];
        $this->variables_lang = &$params['variables_lang'];

        // Variables
        $new_variables = $this->extendVariables($this->variables);

        if (!empty($new_variables)) {
            foreach ($new_variables as $key => $value) {
                $this->variables[$key] = $value;
            }
        }

        // Variables Lang
        $languages = Language::getLanguages(false);

        $new_variables = [];
        foreach ($languages as $lang) {
            $new_variables[$lang['id_lang']] = $this->extendVariablesLang($lang);
        }

        if (!empty($new_variables)) {
            foreach ($new_variables as $id_lang => $content) {
                foreach ($content as $variable_name => $value) {
                    $this->variables_lang[$variable_name][$id_lang] = $value;
                }
            }
        }

        // Prices
        $currencies = Currency::getCurrencies(true, false, true);

        $new_variables = [];
        foreach ($currencies as $currency) {
            $new_variables[$currency->id] = $this->extendPrices($currency, $this->prices[$currency->id]);
        }

        if (!empty($new_variables)) {
            foreach ($new_variables as $id_currency => $content) {
                foreach ($content as $variable_name => $value) {
                    $this->prices[$id_currency][$variable_name] = $value;
                }
            }
        }
    }

    public static function newInstance(&$params, $product, $context)
    {
        return new self($params, $product, $context);
    }

    /**
     * Here you can extend the variables.
     */
    private function extendVariables()
    {
        $new_variables = [];

        $new_variables['hello_world'] = 'Hello World!';

        return $new_variables;
    }

    /**
     * Here you can extend the language variables.
     */
    private function extendVariablesLang(array $lang)
    {
        $new_variables = [];

        if ('en' == $lang['iso_code']) {
            $new_variables['hello_world_lang'] = 'Hello World!';
        } else {
            $new_variables['hello_world_lang'] = 'Hello World Translated!';
        }

        return $new_variables;
    }

    /**
     * Here you can extend the price variables.
     */
    private function extendPrices(Currency $currency, $price_variables)
    {
        $new_variables = [];

        $new_variables['hello_world_price'] = 'Just for test - '.$price_variables['price_display'];

        return $new_variables;
    }
}