<?php
class ControllerProductSearch extends Controller {

    public function index() {
        $data = array_merge(array(), $this->load->language('product/search'));

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

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

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

        if (isset($this->request->get['search'])) {
            $search = $this->request->get['search'];
        } else {
            $search = '';
        }


        if(!$search) {
            $search = $this->request->get('filter_name'); //Back compatibility.
        }

        if (isset($this->request->get['tag'])) {
            $tag = $this->request->get['tag'];
        } elseif (isset($this->request->get['search'])) {
            $tag = $this->request->get['search'];
        } else {
            $tag = '';
        }

        if (isset($this->request->get['description'])) {
            $description = $this->request->get['description'];
        } else {
            $description = '';
        }

        if (isset($this->request->get['category_id'])) {
            $category_id = $this->request->get['category_id'];
        } else {
            $category_id = 0;
        }

        if (isset($this->request->get['sub_category'])) {
            $sub_category = $this->request->get['sub_category'];
        } else {
            $sub_category = '';
        }

        if (isset($this->request->get['sort'])) {
            $sort = $this->request->get['sort'];
        } else {
            $sort = 'p.sort_order';
        }

        if (isset($this->request->get['order'])) {
            $order = $this->request->get['order'];
        } else {
            $order = 'ASC';
        }

        if (isset($this->request->get['page'])) {
            $page = $this->request->get['page'];
        } else {
            $page = 1;
        }

        if (isset($this->request->get['limit'])) {
            $limit = (int)$this->request->get['limit'];
        } else {
            $limit = $this->config->get($this->config->get('config_theme') . '_product_limit');
        }

        if (isset($this->request->get['search'])) {
            $this->document->setTitle($this->language->get('heading_title') . ' - ' . $this->request->get['search']);
        } elseif (isset($this->request->get['tag'])) {
            $this->document->setTitle($this->language->get('heading_title') . ' - ' . $this->language->get('heading_tag') . $this->request->get['tag']);
        } else {
            $this->document->setTitle($this->language->get('heading_title'));
        }

        $data['breadcrumbs'] = array();

        $data['breadcrumbs'][] = array(
            'text' => $this->language->get('text_home'),
            'href' => $this->url->link('common/home')
        );

        $url = '';

        if (isset($this->request->get['search'])) {
            $url .= '&search=' . urlencode(html_entity_decode($this->request->get['search'], ENT_QUOTES, 'UTF-8'));
        }

        if (isset($this->request->get['tag'])) {
            $url .= '&tag=' . urlencode(html_entity_decode($this->request->get['tag'], ENT_QUOTES, 'UTF-8'));
        }

        if (isset($this->request->get['description'])) {
            $url .= '&description=' . $this->request->get['description'];
        }

        if (isset($this->request->get['category_id'])) {
            $url .= '&category_id=' . $this->request->get['category_id'];
        }

        if (isset($this->request->get['sub_category'])) {
            $url .= '&sub_category=' . $this->request->get['sub_category'];
        }

        if (isset($this->request->get['sort'])) {
            $url .= '&sort=' . $this->request->get['sort'];
        }

        if (isset($this->request->get['order'])) {
            $url .= '&order=' . $this->request->get['order'];
        }

        if (isset($this->request->get['page'])) {
            $url .= '&page=' . $this->request->get['page'];
        }

        if (isset($this->request->get['limit'])) {
            $url .= '&limit=' . $this->request->get['limit'];
        }

        $data['breadcrumbs'][] = array(
            'text' => $this->language->get('heading_title'),
            'href' => $this->url->link('product/search', $url)
        );

        if (isset($this->request->get['search'])) {
            $data['heading_title'] = $this->language->get('heading_title') . ' - ' . $this->request->get['search'];
        } else {
            $data['heading_title'] = $this->language->get('heading_title');
        }

        $data['text_compare'] = sprintf($this->language->get('text_compare'), (isset($this->session->data['compare']) ? count($this->session->data['compare']) : 0));

        $data['compare'] = $this->url->link('product/compare');

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

        // 3 Level Category Search
        $data['categories'] = array();

        $categories_1 = $this->model_catalog_category->getCategories(0);

        foreach ($categories_1 as $category_1) {
            $level_2_data = array();

            $categories_2 = $this->model_catalog_category->getCategories($category_1['category_id']);

            foreach ($categories_2 as $category_2) {
                $level_3_data = array();

                $categories_3 = $this->model_catalog_category->getCategories($category_2['category_id']);

                foreach ($categories_3 as $category_3) {
                    $level_3_data[] = array(
                        'category_id' => $category_3['category_id'],
                        'name'        => $category_3['name'],
                    );
                }

                $level_2_data[] = array(
                    'category_id' => $category_2['category_id'],
                    'name'        => $category_2['name'],
                    'children'    => $level_3_data
                );
            }

            $data['categories'][] = array(
                'category_id' => $category_1['category_id'],
                'name'        => $category_1['name'],
                'children'    => $level_2_data
            );
        }

        $data['products'] = [];
        $data['results'] = '';

        if (isset($this->request->get['search']) || $this->request->get['filter_name'] || isset($this->request->get['tag'])) {
            $filter_data = array(
                'filter_name'         => $search,
                'filter_tag'          => $tag,
                'filter_description'  => $description,
                'filter_category_id'  => $category_id,
                'filter_sub_category' => $sub_category,
                'sort'                => $sort,
                'order'               => $order,
                'start'               => ($page - 1) * $limit,
                'limit'               => $limit
            );

            $product_total = $this->model_catalog_product->getTotalProducts($filter_data);

            $results = $this->model_catalog_product->getProducts($filter_data);
            if($results) {
                foreach ($results as $result) {
                    if ($result['image']) {
                        $image = $this->model_tool_image->{$this->config->get('theme_default_product_category_list_resize')}($result['image'],
                          $this->config->get($this->config->get('config_theme') . '_image_product_width'),
                          $this->config->get($this->config->get('config_theme') . '_image_product_height'));

                        $popup = $this->model_tool_image->{$this->config->get('theme_default_product_info_popup_resize')}($result['image'],
                          $this->config->get($this->config->get('config_theme') . '_image_popup_width'),
                          $this->config->get($this->config->get('config_theme') . '_image_popup_height'));
                    } else {
                        $image = $this->model_tool_image->{$this->config->get('theme_default_product_category_list_resize')}(
                            Config::get('config_no_image','placeholder.png'),
                          $this->config->get($this->config->get('config_theme') . '_image_product_width'),
                          $this->config->get($this->config->get('config_theme') . '_image_product_height'));
                        $popup = $this->model_tool_image->{$this->config->get('theme_default_product_info_popup_resize')}(
                            Config::get('config_no_image','placeholder.png'),
                          $this->config->get($this->config->get('config_theme') . '_image_popup_width'),
                          $this->config->get($this->config->get('config_theme') . '_image_popup_height'));
                    }

                    if ($this->customer->isLogged() || !$this->config->get('config_customer_price')) {
                        $price = $this->currency->format($this->tax->calculate($result['price'],
                            $result['tax_class_id'], $this->config->get('config_tax')),
                            $this->session->data['currency']);
                    } else {
                        $price = false;
                    }

                    if ((float)$result['special']) {
                        $special = $this->currency->format($this->tax->calculate($result['special'],
                            $result['tax_class_id'], $this->config->get('config_tax')),
                            $this->session->data['currency']);
                    } else {
                        $special = false;
                    }

                    if ($this->config->get('config_tax')) {
                        $tax = $this->currency->format((float)$result['special'] ? $result['special'] : $result['price'],
                            $this->session->data['currency']);
                    } else {
                        $tax = false;
                    }

                    $data['products'][] = array(
                        'product_id'     => $result['product_id'],
                        'model'          => $result['model'],
                        'thumb'          => $image,
                        'popup'          => $popup,
                        'name'           => $result['name'],
                        'description'    => utf8_substr(trim(strip_tags(html_entity_decode($result['description'],
                                ENT_QUOTES, 'UTF-8'))), 0,
                                $this->config->get($this->config->get('config_theme') . '_product_description_length')) . '..',
                        'price'          => $price,
                        'manufacturer'          => $result['manufacturer'],
                        'special'        => $special,
                        'tax'            => $tax,
                        'minimum'        => $result['minimum'] > 0 ? $result['minimum'] : 1,
                        'rating'         => $result['rating'],
                        'quantity' => $result['quantity'],
                        'content_meta' => $result['content_meta'],
                        'href'           => $this->url->link('product/product',
                            'product_id=' . $result['product_id'] . $url),
                        'group_products' => $this->model_catalog_product->getProducts(
                            [
                                'group_products'   => true,
                                'product_group_id' => $result['product_group_id'],
                                'product_id'       => $result['product_id']
                            ]
                        ),
                    );
                }
            }

            $url = '';

            if (isset($this->request->get['search'])) {
                $url .= '&search=' . urlencode(html_entity_decode($this->request->get['search'], ENT_QUOTES, 'UTF-8'));
            }

            if (isset($this->request->get['tag'])) {
                $url .= '&tag=' . urlencode(html_entity_decode($this->request->get['tag'], ENT_QUOTES, 'UTF-8'));
            }

            if (isset($this->request->get['description'])) {
                $url .= '&description=' . $this->request->get['description'];
            }

            if (isset($this->request->get['category_id'])) {
                $url .= '&category_id=' . $this->request->get['category_id'];
            }

            if (isset($this->request->get['sub_category'])) {
                $url .= '&sub_category=' . $this->request->get['sub_category'];
            }

            if (isset($this->request->get['limit'])) {
                $url .= '&limit=' . $this->request->get['limit'];
            }

            $data['sorts'] = array();

            $data['sorts'][] = array(
                'text'  => $this->language->get('text_default'),
                'value' => 'p.sort_order-ASC',
                'href'  => $this->url->link('product/search', 'sort=p.sort_order&order=ASC' . $url)
            );

            $data['sorts'][] = array(
                'text'  => $this->language->get('text_name_asc'),
                'value' => 'pd.name-ASC',
                'href'  => $this->url->link('product/search', 'sort=pd.name&order=ASC' . $url)
            );

            $data['sorts'][] = array(
                'text'  => "image DESC",
                'value' => 'p.image-DESC',
                'href'  => $this->url->link('product/search', 'sort=p.image&order=DESC' . $url)
            );

            $data['sorts'][] = array(
                'text'  => "image ASC",
                'value' => 'p.image-ASC',
                'href'  => $this->url->link('product/search', 'sort=p.image&order=ASC' . $url)
            );

            $data['sorts'][] = array(
                'text'  => $this->language->get('text_name_desc'),
                'value' => 'pd.name-DESC',
                'href'  => $this->url->link('product/search', 'sort=pd.name&order=DESC' . $url)
            );

            $data['sorts'][] = array(
                'text'  => $this->language->get('text_price_asc'),
                'value' => 'p.price-ASC',
                'href'  => $this->url->link('product/search', 'sort=p.price&order=ASC' . $url)
            );

            $data['sorts'][] = array(
                'text'  => $this->language->get('text_price_desc'),
                'value' => 'p.price-DESC',
                'href'  => $this->url->link('product/search', 'sort=p.price&order=DESC' . $url)
            );

            if ($this->config->get('config_review_status')) {
                $data['sorts'][] = array(
                    'text'  => $this->language->get('text_rating_desc'),
                    'value' => 'rating-DESC',
                    'href'  => $this->url->link('product/search', 'sort=rating&order=DESC' . $url)
                );

                $data['sorts'][] = array(
                    'text'  => $this->language->get('text_rating_asc'),
                    'value' => 'rating-ASC',
                    'href'  => $this->url->link('product/search', 'sort=rating&order=ASC' . $url)
                );
            }

            $data['sorts'][] = array(
                'text'  => $this->language->get('text_model_asc'),
                'value' => 'p.model-ASC',
                'href'  => $this->url->link('product/search', 'sort=p.model&order=ASC' . $url)
            );

            $data['sorts'][] = array(
                'text'  => $this->language->get('text_model_desc'),
                'value' => 'p.model-DESC',
                'href'  => $this->url->link('product/search', 'sort=p.model&order=DESC' . $url)
            );

            $url = '';

            if (isset($this->request->get['search'])) {
                $url .= '&search=' . urlencode(html_entity_decode($this->request->get['search'], ENT_QUOTES, 'UTF-8'));
            }

            if (isset($this->request->get['tag'])) {
                $url .= '&tag=' . urlencode(html_entity_decode($this->request->get['tag'], ENT_QUOTES, 'UTF-8'));
            }

            if (isset($this->request->get['description'])) {
                $url .= '&description=' . $this->request->get['description'];
            }

            if (isset($this->request->get['category_id'])) {
                $url .= '&category_id=' . $this->request->get['category_id'];
            }

            if (isset($this->request->get['sub_category'])) {
                $url .= '&sub_category=' . $this->request->get['sub_category'];
            }

            if (isset($this->request->get['sort'])) {
                $url .= '&sort=' . $this->request->get['sort'];
            }

            if (isset($this->request->get['order'])) {
                $url .= '&order=' . $this->request->get['order'];
            }

            $data['limits'] = array();

            $limits = Config::get($this->config->get('config_theme') . '_product_limits', [25, 50, 75, 100]);

            sort($limits);

            foreach ($limits as $value) {
                $data['limits'][] = array(
                    'text'  => $value,
                    'value' => $value,
                    'href'  => $this->url->link('product/search', $url . '&limit=' . $value)
                );
            }

            $url = '';

            if (isset($this->request->get['search'])) {
                $url .= '&search=' . urlencode(html_entity_decode($this->request->get['search'], ENT_QUOTES, 'UTF-8'));
            }

            if (isset($this->request->get['tag'])) {
                $url .= '&tag=' . urlencode(html_entity_decode($this->request->get['tag'], ENT_QUOTES, 'UTF-8'));
            }

            if (isset($this->request->get['description'])) {
                $url .= '&description=' . $this->request->get['description'];
            }

            if (isset($this->request->get['category_id'])) {
                $url .= '&category_id=' . $this->request->get['category_id'];
            }

            if (isset($this->request->get['sub_category'])) {
                $url .= '&sub_category=' . $this->request->get['sub_category'];
            }

            if (isset($this->request->get['sort'])) {
                $url .= '&sort=' . $this->request->get['sort'];
            }

            if (isset($this->request->get['order'])) {
                $url .= '&order=' . $this->request->get['order'];
            }

            if (isset($this->request->get['limit'])) {
                $url .= '&limit=' . $this->request->get['limit'];
            }

            $pagination = new Pagination();
            $pagination->total = $product_total;
            $pagination->page = $page;
            $pagination->limit = $limit;
            $pagination->text_first = '';
            $pagination->text_last = '';
            $pagination->prev_hide = $this->config->get('theme_default_pagination_prev_hide') === null ? false : $this->config->get('theme_default_pagination_prev_hide');
            $pagination->next_hide = $this->config->get('theme_default_pagination_next_hide') === null ? false : $this->config->get('theme_default_pagination_next_hide');
            $pagination->url = $this->url->link('product/search', $url . '&page={page}');

            $this->hook->getHook('pagination', $pagination);

            $data['pagination'] = $pagination->render();

            $data['results'] = sprintf($this->language->get('text_pagination'), ($product_total) ? (($page - 1) * $limit) + 1 : 0, ((($page - 1) * $limit) > ($product_total - $limit)) ? $product_total : ((($page - 1) * $limit) + $limit), $product_total, ceil($product_total / $limit));

            // http://googlewebmastercentral.blogspot.com/2011/09/pagination-with-relnext-and-relprev.html
            if ($page == 1) {
                $this->document->addLink($this->url->link('product/search', '', true), 'canonical');
            } elseif ($page == 2) {
                $this->document->addLink($this->url->link('product/search', '', true), 'prev');
            } else {
                $this->document->addLink($this->url->link('product/search', $url . '&page=' . ($page - 1), true), 'prev');
            }

            if ($limit && ceil($product_total / $limit) > $page) {
                $this->document->addLink($this->url->link('product/search', $url . '&page=' . ($page + 1), true), 'next');
            }

            if (isset($this->request->get['search']) && $this->config->get('config_customer_search')) {
                $this->load->model('account/search');

                if ($this->customer->isLogged()) {
                    $customer_id = $this->customer->getId();
                } else {
                    $customer_id = 0;
                }

                if (isset($this->request->server['REMOTE_ADDR'])) {
                    $ip = $this->request->server['REMOTE_ADDR'];
                } else {
                    $ip = '';
                }

                $search_data = array(
                    'keyword'      => $search,
                    'category_id'  => $category_id,
                    'sub_category' => $sub_category,
                    'description'  => $description,
                    'products'     => $product_total,
                    'customer_id'  => $customer_id,
                    'ip'           => $ip
                );

                $this->model_account_search->addSearch($search_data);
            }
        }
        $this->hook->getHook('controller/search/product', $data);
        $data['search'] = $search;
        $data['description'] = $description;
        $data['category_id'] = $category_id;
        $data['sub_category'] = $sub_category;

        $data['sort'] = $sort;
        $data['order'] = $order;
        $data['limit'] = $limit;

        $data['column_left'] = $this->load->controller('common/column_left');
        $data['column_right'] = $this->load->controller('common/column_right');
        $data['content_top'] = $this->load->controller('common/content_top');
        $data['content_bottom'] = $this->load->controller('common/content_bottom');
        $data['footer'] = $this->load->controller('common/footer');
        $data['header'] = $this->load->controller('common/header');
        $this->hook->getHook('search/index/after', $data);
        $this->response->setOutput($this->load->view('product/search', $data));
    }

}