<?php
/**
 * Copyright © 2013-2017 Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

namespace Magento\Catalog\Test\Constraint;

use Magento\Catalog\Test\Fixture\Category;
use Magento\Catalog\Test\Page\Category\CatalogCategoryView;
use Magento\Mtf\Client\BrowserInterface;
use Magento\Mtf\Constraint\AbstractConstraint;

/**
 * Class AssertCategoryForAssignedProducts
 * Assert that displayed assigned products on category page equals passed from fixture
 */
class AssertCategoryForAssignedProducts extends AbstractConstraint
{
    /**
     * Assert that displayed assigned products on category page equals passed from fixture
     *
     * @param Category $category
     * @param CatalogCategoryView $categoryView
     * @param BrowserInterface $browser
     * @param array $products
     * @return void
     */
    public function processAssert(
        Category $category,
        CatalogCategoryView $categoryView,
        BrowserInterface $browser,
        array $products = []
    ) {
        $categoryUrlKey = $category->hasData('url_key')
            ? strtolower($category->getUrlKey())
            : trim(strtolower(preg_replace('#[^0-9a-z%]+#i', '-', $category->getName())), '-');

        if (empty($products)) {
            $products = $category->getDataFieldConfig('category_products')['source']->getProducts();
        }

        $browser->open($_ENV['app_frontend_url'] . $categoryUrlKey . '.html');
        foreach ($products as $productFixture) {
            \PHPUnit_Framework_Assert::assertTrue(
                $categoryView->getListProductBlock()->getProductItem($productFixture)->isVisible(),
                "Products '{$productFixture->getName()}' not found in category '{$category->getName()}'."
            );
        }
    }

    /**
     * Displayed assigned products on category page equals passed from fixture
     *
     * @return string
     */
    public function toString()
    {
        return 'Displayed assigned products on category page equal to passed from fixture.';
    }
}
