<?php
class ControllerCommonMenu extends Controller {
    public function index() {

        $uniset = $this->config->get('config_unishop2');

        $this->load->model('tool/image');

        $new_data = $this->load->controller('extension/module/uni_new_data', ['type' => 'menu']);

        $data = isset($data) ? array_merge($data, $new_data) : $new_data;

        $third_level_limit = isset($uniset['menu']['third_level']['limit']) ? $uniset['menu']['third_level']['limit'] : 0;

        $this->load->language('common/menu');

        // Menu
        $this->load->model('catalog/category');

        $this->load->model('catalog/product');


        if(isset($uniset['menu']['caching']['status'])){
            $cache_name = 'category.unishop.menu.'.(int)$this->config->get('config_language_id').'.'.(int)$this->config->get('config_store_id');
            $data['categories'] = $this->cache->get($cache_name) ? $this->cache->get($cache_name) : [];
        } else {
            $data['categories'] = [];
        }

        if(!$data['categories']) {


            $categories = $this->model_catalog_category->getCategories(0);
            $current_url = rtrim($this->request->server['HTTPS'] ? HTTPS_SERVER : HTTP_SERVER, '/')
                . '/'
                . ltrim($this->request->server['REQUEST_URI'], '/');


            foreach ($categories as $category) {
                if ($category['top']) {

                    $show_child_image = in_array($category['category_id'], $uniset['menu']['second_level']['image']) ? true : false;

                    // Level 2
                    $children_data = array();

                    $children = $this->model_catalog_category->getCategories($category['category_id']);

                    foreach ($children as $child) {
                        $filter_data = array(
                            'filter_category_id'  => $child['category_id'],
                            'filter_sub_category' => true
                        );


                        $children2 = $this->model_catalog_category->getCategories($child['category_id']);

                        $children_data2 = [];
                        $child_count = 0;
                        $more = '';
                        $show_more = $third_level_limit && $third_level_limit < count($children2) ? true : false;

                        $children_data2_url = rtrim($this->url->link('product/category', 'path='.$category['category_id'].'_'.$child['category_id'].'_'.$child2['category_id'], true));

                        foreach ($children2 as $child2) {
                            if(isset($uniset['menu_links_show']) ? $child2['top'] : 1) {
                                $children_data2[] = [
                                    'name'  		=> $child2['name'],
                                    'category_id'	=> $child2['category_id'],
                                    'href'  		=> ($current_url != $children_data2_url) ? $children_data2_url : 'javascript:;' ,
                                    'sort_order'	=> $child2['sort_order']
                                ];

                                $child_count++;
                            }

                            if($show_more && $third_level_limit == $child_count) {
                                $more = count($children2);
                                break;
                            }
                        }

                        if(isset($data['landinglinks'][$child['category_id']])) {
                            $children_data2 = array_merge($children_data2, $data['landinglinks'][$child['category_id']]);

                            array_multisort(array_column($children_data2, 'sort_order'), SORT_ASC, $children_data2);
                        }

                        if(isset($uniset['menu_links_show']) ? $child['top'] : 1) {
                            $children_data_url = rtrim($this->url->link('product/category', 'path='.$category['category_id'].'_'.$child['category_id'], true));

                            $children_data[] = [
                                'name'       	=> $child['name'],
                                'category_id'	=> $child['category_id'],
                                'image'			=> $show_child_image && $children_data2 && $child['image'] ? $this->model_tool_image->resize($child['image'], 100, 100) : '',
                                'children'   	=> $children_data2,
                                'href'        	=> ($current_url != $children_data_url) ? $children_data_url : 'javascript:;' ,
                                'sort_order'	=> $child['sort_order'],
                                'more'			=> $more
                            ];
                        }
                    }

                    if (isset($data['landinglinks'][$category['category_id']])) {
                        $children_data = array_merge($children_data, $data['landinglinks'][$category['category_id']]);

                        array_multisort(array_column($children_data, 'sort_order'), SORT_ASC, $children_data);
                    }

                    // Level 1
                    $category_url = rtrim($this->url->link('product/category', 'path=' . $category['category_id']));

                    $data['categories'][] = array(
                        'name'     => $category['name'],
                        'icon'		=> isset($data['icons'][$category['category_id']]) ? $data['icons'][$category['category_id']] : [],
                        'banner'	=> isset($data['banners'][$category['category_id']]) && $category['column'] > 1 ? $data['banners'][$category['category_id']] : [],
                        'sort_order'=> $category['sort_order'],
                        'children' => $children_data,
                        'column'   => $category['column'] ? $category['column'] : 1,
                        'href'     => ($current_url != $category_url) ? $category_url : 'javascript:;'
                    );
                }
            }


            if($data['additional_link']) {
                $data['categories'] = array_merge($data['categories'], $data['additional_link']);

                if(count($data['categories']) > 1) {
                    array_multisort(array_column($data['categories'], 'sort_order'), SORT_ASC, $data['categories']);
                }
            }

            if(isset($uniset['menu']['caching']['status'])){
                $this->cache->set($cache_name, $data['categories']);
            }
        }

        return $this->load->view('common/menu', $data);
    }
}