<?php
/*
* 2007-2014 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/afl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2014 PrestaShop SA
*  @license    http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class ProductExtraTabModel extends ObjectModel
{
	public $id_product_extratab;
	public $id_product;
	public $id_extratab;
	public $position;
	public $content;
	public $title;

	/**
	 * @see ObjectModel::$definition
	 */
	public static $definition = array(
		'table' => 'product_extratab',
		'primary' => 'id_product_extratab',
		'multilang' => true,
		'fields' => array(
			'id_product' =>			array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt', 'required' => true),
			'id_extratab' =>		array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt', 'required' => true),
			'position' =>			array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt', 'required' => true),
			'title' =>				array('type' => self::TYPE_STRING, 'validate' => 'isString', 'required' => false, 'lang' => true),
			'content' =>			array('type' => self::TYPE_HTML, 'validate' => 'isAnything', 'required' => false, 'lang' => true),
		)
	);

	public static function createTables()
	{
		return (
			self::createExtraTabTable() &&
			self::createExtraTabLangTable()
		);
	}

	public static function dropTables()
	{
		$sql = 'DROP TABLE
			`'._DB_PREFIX_.'product_extratab_lang`,
			`'._DB_PREFIX_.'product_extratab`';

		return Db::getInstance()->execute($sql);
	}

	public static function createExtraTabTable()
	{
		$sql = 'CREATE TABLE IF NOT EXISTS `'._DB_PREFIX_.'product_extratab`(
			`id_product_extratab` int(10) unsigned NOT NULL auto_increment,
			`id_product` int(10) unsigned NOT NULL,
			`id_extratab` int(10) unsigned NOT NULL,
			`position` int(10) unsigned NOT NULL,
			PRIMARY KEY (`id_product_extratab`)
			) ENGINE='._MYSQL_ENGINE_.' DEFAULT CHARSET=utf8';
		return Db::getInstance()->execute($sql);
	}

	public static function createExtraTabLangTable()
	{
		$sql = 'CREATE TABLE IF NOT EXISTS `'._DB_PREFIX_.'product_extratab_lang`(
			`id_product_extratab` int(10) unsigned NOT NULL,
			`id_lang` int(10) unsigned NOT NULL,
			`title` varchar(256) NULL,
			`content` TEXT NULL,
			PRIMARY KEY (`id_product_extratab`, `id_lang`)
			) ENGINE='._MYSQL_ENGINE_.' DEFAULT CHARSET=utf8';
		return Db::getInstance()->execute($sql);
	}

	public function getTabsList($id_product, $id_lang = null){
		if ( !$id_lang )
			$id_lang = (int)$this->context->language->id;
		return self::getTabsListStatic($id_product, $id_lang);
	}

	public static function getTabsListStatic($id_product, $id_lang){
		$extraTabs = Db::getInstance()->ExecuteS('
			SELECT et.*, etl.*, tl.name as extratab,  pl.name as product
			FROM `'._DB_PREFIX_.'product_extratab` et
			LEFT JOIN `'._DB_PREFIX_.'extratab_lang` tl ON (tl.`id_extratab` = et.`id_extratab` AND tl.`id_lang` = '.(int)$id_lang.')
			LEFT JOIN `'._DB_PREFIX_.'product_extratab_lang` etl ON (et.`id_product_extratab` = etl.`id_product_extratab` AND etl.`id_lang` = '.(int)$id_lang.')
			LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (pl.`id_product` = et.`id_product` AND pl.`id_lang` = '.(int)$id_lang.')
			WHERE pl.id_product = '.(int)$id_product.'
			ORDER BY et.`position`'
		);

		$displayList = array();
		if ( count($extraTabs) ){
			foreach ($extraTabs as $extraTab) {
				$displayList[] = array(
					'id_product_extratab' => $extraTab['id_product_extratab'],
					'product' => $extraTab['product'],
					'associate' => 'product',
					'extratab' => $extraTab['extratab'],
					'position' => $extraTab['position'],
				);
			}
		}
		return $displayList;
	}

	public static function getByProductID($id_product, $id_lang){

		$collection = new Collection('ProductExtraTabModel', $id_lang);
		$collection->where('id_product', '=', $id_product);
		$collection->orderby('position');
		$productExtraTabs = $collection->getResults();

		$extraTabsIds = array();
		$orderedExtraTabs = array();


		foreach ($productExtraTabs as $productExtraTab) {
			if ( !in_array((int)$productExtraTab->id_extratab, $extraTabsIds) ){
				$extraTabsIds[] = (int)$productExtraTab->id_extratab;

				$tabCollection = new Collection('ExtraTabModel', $id_lang);
				$tabCollection->where('id_extratab', '=', (int)$productExtraTab->id_extratab);
				$extraTab = $tabCollection->getFirst();
				$orderedExtraTabs[(int)$productExtraTab->id_extratab] = array(
					'id_extratab' => $extraTab->id_extratab,
					'name' => $extraTab->name,
					'description' => $extraTab->description,
					'associate' => $extraTab->associate,
					'position' => $extraTab->position
				);
			}
			$orderedExtraTabs[(int)$productExtraTab->id_extratab]['productTabs'][] = $productExtraTab;
		}


		return $orderedExtraTabs;
	}

	public static function getMaxPosition($id_product){
		return Db::getInstance()->getValue('SELECT COUNT(*) FROM `'._DB_PREFIX_.'product_extratab` WHERE `id_product`='.(int)$id_product);
	}

	public function updatePosition(){
	
		// $products = Db::getInstance()->ExecuteS('SELECT DISTINCT `id_product` FROM `'._DB_PREFIX_.'product_extratab`');
		// foreach ($products as $p) {
		// 	$tabs = Db::getInstance()->ExecuteS('SELECT * FROM `'._DB_PREFIX_.'product_extratab` WHERE `id_product` = '.(int)$p['id_product'].' ORDER BY `position` ASC');
		// 	$pos=0;
		// 	foreach ($tabs as $tab) {
		// 		$pos++;
		// 		$extra = new ProductExtraTabModel((int)$tab['id_product_extratab']);
		// 		$extra->position = $pos;
		// 		$extra->save();
		// 	}
		// }

		if ( !Tools::getValue('position') )
			return false;
		$new_pos = Tools::getValue('position');
		if ( $new_pos == $this->position )
			return true;

		if ( $new_pos > $this->position ){
			Db::getInstance()->Execute('UPDATE `'._DB_PREFIX_.'product_extratab` SET `position` = `position`-1 WHERE `id_product` = '.(int)$this->id_product.' AND `position` BETWEEN '.(int)$this->position.' AND '.(int)$new_pos);
		}
		else{
			Db::getInstance()->Execute('UPDATE `'._DB_PREFIX_.'product_extratab` SET `position` = `position`+1 WHERE `id_product` = '.(int)$this->id_product.' AND `position` BETWEEN '.(int)$new_pos.' AND '.(int)$this->position);
		}
		$this->position = $new_pos;
	}
}