<?php
/**
 * For the full copyright and license information, please view the
 * docs/licenses/LICENSE.txt file that was distributed with this source code.
 */

namespace PrestaShop\PrestaShop\Adapter\Product;

use Pack;
use PrestaShop\PrestaShop\Adapter\ServiceLocator;
use Product;

/**
 * Class responsible of getting information about Pack Items.
 */
class PackItemsManager
{
    /**
     * Get the Products contained in the given Pack.
     *
     * @param Pack $pack
     * @param bool|int $id_lang Optional
     *
     * @return array(Product) The products contained in this Pack, with special dynamic attributes [pack_quantity, id_pack_product_attribute]
     */
    public function getPackItems($pack, $id_lang = false)
    {
        if ($id_lang === false) {
            $configuration = ServiceLocator::get('\\PrestaShop\\PrestaShop\\Core\\ConfigurationInterface');
            $id_lang = (int) $configuration->get('PS_LANG_DEFAULT');
        }

        return Pack::getItems($pack->id, $id_lang);
    }

    /**
     * Get all Packs that contains the given item in the corresponding combination.
     *
     * @param Product $item
     * @param int $item_attribute_id
     * @param bool|int $id_lang Optional
     *
     * @return array(Pack) The packs that contains the given item, with special dynamic attribute [pack_item_quantity]
     */
    public function getPacksContainingItem($item, $item_attribute_id, $id_lang = false)
    {
        if ($id_lang === false) {
            $configuration = ServiceLocator::get('\\PrestaShop\\PrestaShop\\Core\\ConfigurationInterface');
            $id_lang = (int) $configuration->get('PS_LANG_DEFAULT');
        }

        return Pack::getPacksContainingItem($item->id, $item_attribute_id, $id_lang);
    }

    /**
     * Is this product a pack?
     *
     * @param Product $product
     *
     * @return bool
     */
    public function isPack($product)
    {
        return Pack::isPack($product->id);
    }

    /**
     * Is this product in a pack?
     * If $id_product_attribute specified, then will restrict search on the given combination,
     * else this method will match a product if at least one of all its combination is in a pack.
     *
     * @param Product $product
     * @param int|bool $id_product_attribute Optional combination of the product
     *
     * @return bool
     */
    public function isPacked($product, $id_product_attribute = false)
    {
        return Pack::isPacked($product->id, $id_product_attribute);
    }
}