<?php
/*
* 2007-2014 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 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/osl-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/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class TaxRuleCore extends ObjectModel
{
	 public $id_tax_rules_group;
	 public $id_country;
	 public $id_state;
	 public $zipcode_from;
	 public $zipcode_to;
	 public $id_tax;
	 public $behavior;
	 public $description;

	/**
	 * @see ObjectModel::$definition
	 */
	public static $definition = array(
		'table' => 'tax_rule',
		'primary' => 'id_tax_rule',
		'fields' => array(
			'id_tax_rules_group' => array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),
			'id_country' => 		array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),
			'id_state' => 			array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
			'zipcode_from' => 		array('type' => self::TYPE_STRING, 'validate' => 'isPostCode'),
			'zipcode_to' => 		array('type' => self::TYPE_STRING, 'validate' => 'isPostCode'),
			'id_tax' => 			array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),
			'behavior' => 			array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt'),
			'description' => 		array('type' => self::TYPE_STRING, 'validate' => 'isString'),
		),
	);

    protected $webserviceParameters = array(
        'fields' => array(
            'id_tax_rules_group' => array('xlink_resource'=> 'tax_rule_groups'),
            'id_state' => array('xlink_resource'=> 'states'),
            'id_country' => array('xlink_resource'=> 'countries')
        ),
    );

    public static function deleteByGroupId($id_group)
    {
        if (empty($id_group))
            die(Tools::displayError());

        return Db::getInstance()->execute('
        DELETE FROM `'._DB_PREFIX_.'tax_rule`
        WHERE `id_tax_rules_group` = '.(int)$id_group
        );
    }

    public static function retrieveById($id_tax_rule)
    {
    	return Db::getInstance()->getRow('
    	SELECT * FROM `'._DB_PREFIX_.'tax_rule`
    	WHERE `id_tax_rule` = '.(int)$id_tax_rule);
    }

	public static function getTaxRulesByGroupId($id_lang, $id_group)
	{
		return Db::getInstance()->executeS('
		SELECT g.`id_tax_rule`,
				 c.`name` AS country_name,
				 s.`name` AS state_name,
				 t.`rate`,
				 g.`zipcode_from`, g.`zipcode_to`,
				 g.`description`,
				 g.`behavior`,
				 g.`id_country`,
				 g.`id_state`
		FROM `'._DB_PREFIX_.'tax_rule` g
		LEFT JOIN `'._DB_PREFIX_.'country_lang` c ON (g.`id_country` = c.`id_country` AND `id_lang` = '.(int)$id_lang.')
		LEFT JOIN `'._DB_PREFIX_.'state` s ON (g.`id_state` = s.`id_state`)
		LEFT JOIN `'._DB_PREFIX_.'tax` t ON (g.`id_tax` = t.`id_tax`)
		WHERE `id_tax_rules_group` = '.(int)$id_group.'
		ORDER BY `country_name` ASC, `state_name` ASC, `zipcode_from` ASC, `zipcode_to` ASC'
		);
	}

    public static function deleteTaxRuleByIdTax($id_tax)
    {
        return Db::getInstance()->execute('
        DELETE FROM `'._DB_PREFIX_.'tax_rule`
        WHERE `id_tax` = '.(int)$id_tax
        );
    }


	/**
	* @deprecated since 1.5
	*/
	public static function deleteTaxRuleByIdCounty($id_county)
	{
		Tools::displayAsDeprecated();
		return true;
	}

	/**
	* @param int $id_tax
	* @return boolean
	*/
    public static function isTaxInUse($id_tax)
    {
		$cache_id = 'TaxRule::isTaxInUse_'.(int)$id_tax;
		if (!Cache::isStored($cache_id))
		{
			$result = (int)Db::getInstance()->getValue('SELECT COUNT(*) FROM `'._DB_PREFIX_.'tax_rule` WHERE `id_tax` = '.(int)$id_tax);
			Cache::store($cache_id, $result);
		}
		return Cache::retrieve($cache_id);
    }


	 /**
	  * @param string $zipcode a range of zipcode (eg: 75000 / 75000-75015)
	  * @return array an array containing two zipcode ordered by zipcode
	  */
	public function breakDownZipCode($zip_codes)
	{
		$zip_codes = preg_split('/-/', $zip_codes);

		$from = $zip_codes[0];
		$to = isset($zip_codes[1]) ? $zip_codes[1]: 0;
		if (count($zip_codes) == 2)
		{
			$from = $zip_codes[0];
			$to   = $zip_codes[1];
			if ($zip_codes[0] > $zip_codes[1])
			{
				$from = $zip_codes[1];
				$to   = $zip_codes[0];
			}
			else if ($zip_codes[0] == $zip_codes[1])
			{
				$from = $zip_codes[0];
				$to   = 0;
			}
		}
		else if (count($zip_codes) == 1)
		{
			$from = $zip_codes[0];
			$to = 0;
		}

		return array($from, $to);
	}

	/**
	* Replace a tax_rule id by an other one in the tax_rule table
	*
	* @param int $old_id
	* @param int $new_id
	*/
	public static function swapTaxId($old_id, $new_id)
	{
		return Db::getInstance()->execute('
		UPDATE `'._DB_PREFIX_.'tax_rule`
		SET `id_tax` = '.(int)$new_id.'
		WHERE `id_tax` = '.(int)$old_id
		);
	}
}