<?php

class ManageSeoUrl extends ObjectModel {
	
	const TYPE_CATEGORY 		= 1;
	const TYPE_PRODUCT 			= 2;
	const TYPE_MANUFACTURER 	= 3;
	const TYPE_CATEGORY_CMS		= 4;
	const TYPE_POST_CMS			= 5;
	const TYPE_POST_EDITO		= 6;
	const TYPE_CMS 				= 7;
	const TYPE_301 				= 8;
	const TYPE_STORE_HOME		= 9;
	const TYPE_HOME_EDITO		= 10;
	const TYPE_VIDEO			= 11;
	
	const SUFFIX_HTML 			= '.html';
	const SUFFIX_PHP 			= '.php';
	const PREFIX_EDITO			= 'edito-';

	public $id_seourl;
	public $link_rewrite;
	public $type;
	public $id_element;
	public $redirect;
	public $canonical;

	/**
	 * @see ObjectModel::$definition
	 */
	public static $definition = array(
		'table' => 'seourl',
		'primary' => 'id_seourl',
		'multilang' => true,
		'multilang_shop' => true,
		'fields' => array(
			'link_rewrite' =>	array('lang' => true, 'type' => self::TYPE_STRING, 'validate' => 'isString'),
			'type' =>	array('type' => self::TYPE_INT, 'validate' => 'isInt'),
			'id_element' => array('type' => self::TYPE_INT, 'validate' => 'isInt'),
			'redirect' =>  array('lang' => true, 'type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isString'),
			'canonical' =>	array('lang' => true, 'type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isString'),
		)
	);

	public function __construct($id = null, $id_lang = null, $id_shop = null) {
		parent::__construct($id, $id_lang, $id_shop);
	}

	/**
	 * Get Url info
	 *
	 * @param striung $url request uri
	 * @param int $id_lang
	 * @param int $id_shop
	 *
	 * @return array
	 */
	public static function getUrl($url, $id_lang = 1, $id_shop = 1) {
		if (!$id_lang)
			$id_lang = Context::getContext()->language->id;
		$sql = 'SELECT s.`id_seourl`,
					s.`type`, 
					s.`id_element`,
					sl.`redirect`,
					sl.`canonical`
				FROM `'._DB_PREFIX_.'seourl` s
				LEFT JOIN `'._DB_PREFIX_.'seourl_lang` sl ON (s.`id_seourl` = sl.`id_seourl`)
				LEFT JOIN `'._DB_PREFIX_.'seourl_shop` shop ON (shop.`id_seourl` = s.`id_seourl`)
				WHERE sl.`link_rewrite` = "' . pSQL($url) .'"
				AND sl.`id_lang`='.(int)$id_lang .'
				AND shop.`id_shop`='.(int)$id_shop;
		if ($results = Db::getInstance()->getRow($sql)){
			return $results;
		}else{
			return "notfound";
		}
	}

	/**
	 * Créer un lien
	 * @param int 	$id_type Type d'url
	 * @param int 	$id_element id de l'element
	 * @param array $slugs Tableau des liens par langue
	 */
	public static function createUrl($id_type, $id_element, $slugs, $canonical = null) {
		$url_rewrite = new ManageSeoUrl();
		$url_rewrite->type = (int)$id_type;
		$url_rewrite->id_element = $id_element;

		$link_rewrite = array();
		$canonical_array = array();
		foreach (Language::getLanguages() as $language) {
			$id_lang = (int)$language['id_lang'];
			$link_rewrite[$id_lang] = $slugs[$id_lang];
			$canonical_array[$id_lang] = $canonical;
		}

		$url_rewrite->canonical		= $canonical_array;
		$url_rewrite->link_rewrite 	= $link_rewrite;
		return $url_rewrite->save();
	}


	/**
	* Retourne une ManageSeoUrl en fonction de son type et son id_element
	*
	* @param int 	$id_element Id de l'element de retour
	* @param int  	$type Constante de la classe pour le type d'url
	* @param int  	$id_only Si true, ne retourne que l'id de l'url
	* @param int  	$id_lang Id_lang
	* @param int  	$id_shop Id shop
	*/
	public static function getByType($id_element, $type = self::TYPE_PRODUCT, $id_only = FALSE, $id_lang = NULL, $id_shop = NULL) {
		if ($id_shop == null) {
			$id_shop = Context::getContext()->shop->id;
		}
		$sql = '
				SELECT s.`id_seourl` 
				FROM `'._DB_PREFIX_.'seourl` s
				LEFT JOIN `'._DB_PREFIX_.'seourl_shop` shop ON(shop.`id_seourl` = s.`id_seourl`)
				WHERE s.`type` = "'.$type.'" 
				AND s.`id_element` = '.(int)$id_element .'
				AND shop.`id_shop` = '.(int)$id_shop;
		
		if (!$id = Db::getInstance()->getValue($sql))
			return false;
		if ($id_only)
			return $id;
		return new ManageSeoUrl((int)$id, $id_lang, $id_shop);
	}

}