<?php

class ControllerStartupSeoUrl extends Controller {

	public function index() {

		// Add rewrite to url class

		if ($this->config->get('config_seo_url')) {

			$this->url->addRewrite($this);

		}


		// Decode URL

		if (isset($this->request->get['_route_'])) {

			$parts = explode('/', $this->request->get['_route_']);


			// remove any empty arrays from trailing

			if (utf8_strlen(end($parts)) == 0) {

				array_pop($parts);

			}


			foreach ($parts as $part) {

				$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "seo_url WHERE keyword = '" . $this->db->escape($part) . "' AND store_id = '" . (int)$this->config->get('config_store_id') . "'");


				if ($query->num_rows) {

					$url = explode('=', $query->row['query']);


					if ($url[0] == 'product_id') {

						$this->request->get['product_id'] = $url[1];

					}


					if ($url[0] == 'category_id') {

						if (!isset($this->request->get['path'])) {

							$this->request->get['path'] = $url[1];

						} else {

							$this->request->get['path'] .= '_' . $url[1];

						}

					}


					if ($url[0] == 'manufacturer_id') {

						$this->request->get['manufacturer_id'] = $url[1];

					}


					if ($url[0] == 'information_id') {

						$this->request->get['information_id'] = $url[1];

					}


					if ($query->row['query'] && $url[0] != 'information_id' && $url[0] != 'manufacturer_id' && $url[0] != 'category_id' && $url[0] != 'product_id') {

						$this->request->get['route'] = $query->row['query'];

					}

				} else {

					$this->request->get['route'] = 'error/not_found';


					break;

				}

			}


			if (!isset($this->request->get['route'])) {

				if (isset($this->request->get['product_id'])) {

					$this->request->get['route'] = 'product/product';

				} elseif (isset($this->request->get['path'])) {

					$this->request->get['route'] = 'product/category';

				} elseif (isset($this->request->get['manufacturer_id'])) {

					$this->request->get['route'] = 'product/manufacturer/info';

				} elseif (isset($this->request->get['information_id'])) {

					$this->request->get['route'] = 'information/information';

				}

			}

		}

	}


	public function rewrite($link) {

		$url_info = parse_url(str_replace('&amp;', '&', $link));


		$url = '';


		$data = array();


		parse_str($url_info['query'], $data);


		foreach ($data as $key => $value) {

			if (isset($data['route'])) {

				if (($data['route'] == 'product/product' && $key == 'product_id') || (($data['route'] == 'product/manufacturer/info' || $data['route'] == 'product/product') && $key == 'manufacturer_id') || ($data['route'] == 'information/information' && $key == 'information_id')) {

					$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "seo_url WHERE `query` = '" . $this->db->escape($key . '=' . (int)$value) . "' AND store_id = '" . (int)$this->config->get('config_store_id') . "' AND language_id = '" . (int)$this->config->get('config_language_id') . "'");


					if ($query->num_rows && $query->row['keyword']) {

						$url .= '/' . $query->row['keyword'];


						unset($data[$key]);

					}

				} elseif ($key == 'path') {

					$categories = explode('_', $value);


					foreach ($categories as $category) {

						$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "seo_url WHERE `query` = 'category_id=" . (int)$category . "' AND store_id = '" . (int)$this->config->get('config_store_id') . "' AND language_id = '" . (int)$this->config->get('config_language_id') . "'");


						if ($query->num_rows && $query->row['keyword']) {

							$url .= '/' . $query->row['keyword'];

						} else {

							$url = '';


							break;

						}

					}


					unset($data[$key]);

				}

			}

		}


		if ($url) {

			unset($data['route']);


			$query = '';


			if ($data) {

				foreach ($data as $key => $value) {

					$query .= '&' . rawurlencode((string)$key) . '=' . rawurlencode((is_array($value) ? http_build_query($value) : (string)$value));

				}


				if ($query) {

					$query = '?' . str_replace('&', '&amp;', trim($query, '&'));

				}

			}


			return $url_info['scheme'] . '://' . $url_info['host'] . (isset($url_info['port']) ? ':' . $url_info['port'] : '') . str_replace('/index.php', '', $url_info['path']) . $url . $query;

		} else {

			return $link;

		}

	}

}