<?php
/*
* 2007-2011 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  2007-2011 PrestaShop SA
*  @version  Release: $Revision: 10019 $
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

/**
 * @since 1.5.0
 */
class SupplyOrderStateCore extends ObjectModel
{
	/**
	 * @var string Name of the state
	 */
	public $name;

	/**
	 * @var bool Tells if a delivery note can be issued (i.e. the order has been validated)
	 */
	public $delivery_note;

	/**
	 * @var bool Tells if the order is still editable by an employee
	 */
	public $editable;

	/**
	 * @var bool Tells if the the order has been delivered
	 */
	public $receipt_state;

	/**
	 * @var bool Tells if the the order is in a state corresponding to a product pending receipt
	 */
	public $pending_receipt;

	/**
	 * @var bool Tells if the the order is in an enclosed state
	 */
	public $enclosed;

	/**
	 * @var string Display state in the specified color (Ex. #FFFF00)
	 */
	public $color;

	
	/**
	 * @see ObjectModel::$definition
	 */
	public static $definition = array(
		'table' => 'supply_order_state',
		'primary' => 'id_supply_order_state',
		'multilang' => true,
		'fields' => array(
			'delivery_note' => array('type' => 'FILL_ME', 'validate' => 'isBool'),
			'editable' => array('type' => 'FILL_ME', 'validate' => 'isBool'),
			'receipt_state' => array('type' => 'FILL_ME', 'validate' => 'isBool'),
			'pending_receipt' => array('type' => 'FILL_ME', 'validate' => 'isBool'),
			'enclosed' => array('type' => 'FILL_ME', 'validate' => 'isBool'),
			'color' => array('type' => 'FILL_ME', 'validate' => 'isColor'),
			'name' => array('type' => 'FILL_ME', 'lang' => true, 'validate' => 'isGenericName', 'required' => true, 'size' => 128),
		),
	);


	/**
	 * @see ObjectModel::getFields()
	 */
	public function getFields()
	{
		$this->validateFields();
		$fields['delivery_note'] = (bool)$this->delivery_note;
		$fields['editable'] = (bool)$this->editable;
		$fields['receipt_state'] = (bool)$this->receipt_state;
		$fields['pending_receipt'] = (bool)$this->pending_receipt;
		$fields['enclosed'] = (bool)$this->enclosed;
		$fields['color'] = pSQL($this->color);

		return $fields;
	}

	/**
	 * @see ObjectModel::getTranslationsFieldsChild()
	 */
	public function getTranslationsFieldsChild()
	{
		$this->validateFieldsLang();
		return $this->getTranslationsFields(array('name'));
	}

	/**
	 * Gets the list of supply order states
	 *
	 * @param int $id_state_referrer The state refferer id used to know what state is available after the current state refferer
	 * @param int $id_lang The language id
	 * @return array
	 */
	public static function getSupplyOrderStates($id_state_referrer = null, $id_lang = null)
	{
		if ($id_lang == null)
			$id_lang = Context::getContext()->language->id;

		$query = new DbQuery();
		$query->select('sl.name, s.id_supply_order_state');
		$query->from('supply_order_state s');
		$query->leftjoin('supply_order_state_lang sl ON (s.id_supply_order_state = sl.id_supply_order_state AND sl.id_lang='.(int)$id_lang.')');

		if (!is_null($id_state_referrer))
		{
			$is_receipt_state = false;
			$is_editable = false;
			$is_delivery_note = false;
			$is_pending_receipt = false;

			//check current state to see what state is available
			$state = new SupplyOrderState((int)$id_state_referrer);
			if (Validate::isLoadedObject($state))
			{
				$is_receipt_state = $state->receipt_state;
				$is_editable = $state->editable;
				$is_delivery_note = $state->delivery_note;
				$is_pending_receipt = $state->pending_receipt;
			}

			$query->where('s.id_supply_order_state <> '.$id_state_referrer);

			//check first if the order is editable
			if ($is_editable)
				$query->where('s.editable = 1 OR s.delivery_note = 1 OR s.enclosed = 1');
			//check if the delivery note is available or if the state correspond to a pending receipt state
			else if ($is_delivery_note || $is_pending_receipt)
				$query->where('(s.delivery_note = 0 AND s.editable = 0) OR s.enclosed = 1');
			//check if the state correspond to a receipt state
			else if ($is_receipt_state)
				$query->where('s.receipt_state = 1 OR s.enclosed = 1');
		}

		return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($query);
	}
}