<?php

/**
 * Vvveb
 *
 * Copyright (C) 2022  Ziadin Givan
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */

namespace Vvveb\Component\Categories;

use Vvveb\System\Component\ComponentBase;
use Vvveb\System\Event;
use Vvveb\System\Images;
use function Vvveb\url;

class Pages extends ComponentBase {
	public static array $defaultOptions = [
		'start'            => 0,
		'limit'            => 7,
		'posts_start'      => 0,
		'posts_limit'      => null,
		'type'             => 'categories',
		'post_type'        => 'post',
		'site_id'          => null,
		'order'            => ['url', 'price asc'],
		'taxonomy_item_id' => null,
		'page'             => 1,
		'parent_id'        => null,
		'levels'           => null,
	];

	/**
	 * Get category pages with embedded post counts and images.
	 *
	 * @return array<string, mixed> Pages data with categories containing post counts and images.
	 */
	public function results(): array {
		$category = new \Vvveb\Sql\CategorySQL();
		$results  = $category->getCategoriesPages($this->options);

		//count the number of child categories (subcategories) for each category
		if (isset($results['categories'])) {
			foreach ($results['categories'] as $taxonomy_item_id => &$category) {
				$parent_id          = $category['parent_id'] ?? false;
				$category['active'] = false;

				if (! isset($category['children'])) {
					$category['children'] = 0;
					$category['posts_count'] = 0;
				}

				if ((isset($category['post']) && $category['post']) && $category['post'][0] === '[') {
					$category['post'] = json_decode($category['post'], true);

					if (is_array($category['post'])) {
						if (isset($this->options['posts_limit'])) {
							$category['post'] = array_slice($category['post'], 0 , $this->options['posts_limit']);

							if (isset($category['image'])) {
								$category['image'] = Images::image($category['image'], 'post', $this->options['image_size'] ?? 'medium');
							}
						}

						$category['posts_count'] = count($category['post']);
					}
				}

				$category['url'] = url('product/category/index', $category);

				if (isset($category['image'])) {
					$category['image_url'] = Images::image($category['image'], 'taxonomy_item');
				}

				if ($parent_id > 0 && isset($results['categories'][$parent_id])) {
					$parent = &$results['categories'][$parent_id];

					if (isset($parent['children'])) {
						$parent['children']++;
					} else {
						$parent['children'] = 1;
					}
				}
			}
		}

		list($results) = Event :: trigger(__CLASS__,__FUNCTION__, $results);

		return $results;
	}
}
