<?php

/**
 * Aquatuning Software Development - Warehouse - Subscriber
 *
 * @category  Aquatuning
 * @package   Shopware\Plugins\AtsdWarehouse
 * @copyright Copyright (c) 2013, Aquatuning GmbH
 */

namespace Shopware\AtsdWarehouse\Subscriber\Components;



/**
 * Aquatuning Software Development - Warehouse - Subscriber
 */

class Document implements \Enlight\Event\SubscriberInterface
{

	/**
	 * Main bootstrap object.
	 *
	 * @var \Shopware_Components_Plugin_Bootstrap
	 */

	protected $bootstrap;

	/**
	 * ...
	 *
	 * @var integer
	 */

	static public $documentId = null;





	/**
	 * ...
	 *
	 * @param \Shopware_Components_Plugin_Bootstrap   $bootstrap
	 *
	 * @return \Shopware\AtsdWarehouse\Subscriber\Components\Document
	 */

	public function __construct( \Shopware_Components_Plugin_Bootstrap $bootstrap )
	{
		// set params
		$this->bootstrap = $bootstrap;
	}








	/**
	 * Return the subscribed controller events.
	 *
	 * @return array
	 */

	public static function getSubscribedEvents()
	{
		// return the events
		return array(
			'Shopware_Components_Document::setDocumentId::before' => "beforeDocumentSetDocumentIdHook",
			'Shopware_Components_Document::assignValues::after'   => "afterDocumentAssignValuesHook",
			'Theme_Inheritance_Template_Directories_Collected'    => "onCollectDirectoriesEvent"
		);
	}









	/**
	 * Add our document path.
	 *
	 * @param \Enlight_Event_EventArgs   $args
	 *
	 * @return array
	 */

	public function onCollectDirectoriesEvent( \Enlight_Event_EventArgs $args )
	{
		// get the current directories
		$directories = $args->getReturn();

		// add our own
		array_push(
			$directories,
			$this->bootstrap->Path() . "Views/"
		);

		// and we re done
		return $directories;
	}







	/**
	 * ...
	 *
	 * @param \Enlight_Hook_HookArgs   $args
	 *
	 * @return void
	 */

	public function beforeDocumentSetDocumentIdHook( \Enlight_Hook_HookArgs $args )
	{
		// just save the document id
		self :: $documentId = $args->get( "id" );

		// and we re done
		return;
	}





	/**
	 * ...
	 *
	 * @param \Enlight_Hook_HookArgs   $args
	 *
	 * @return void
	 */

	public function afterDocumentAssignValuesHook( \Enlight_Hook_HookArgs $args )
	{
		// is this our document?!
		if ( self :: $documentId != 5 )
			// nothing to do here
			return;

		// get the controller
		$document = $args->getSubject();

		// get the view
		$view = $document->_view;

		// get the pages
		$pages = $view->getTemplateVars( "Pages" );

		// loop all articles within the first page (for now)
		foreach ( $pages[0] as &$article )
		{
			// set a default value
			$article['atsdLocation'] = "";

			// get the article model
			$model = Shopware()->Models()->find( '\Shopware\Models\Article\Article', (integer) $article['articleID'] );

			// not found?!
			if ( !$model instanceof \Shopware\Models\Article\Article )
				// weird
				continue;

			// find the location for it
			$location = Shopware()->Models()
				->getRepository( '\Shopware\CustomModels\AtsdWarehouse\Warehouse\Location\Location' )
				->findOneLocationByArticle( $model );

			// we found no location
			if ( !is_array( $location ) )
				// next one
				continue;

			// set it
			$article['atsdLocation'] = $location['shelf']['store']['identifier'] . " " .$location['shelf']['identifier'] . " " . $location['positionY'] . "-" . $location['positionX'];
		}

		// now sort it
		$this->array_sort_by_column( $pages[0], "atsdLocation" );

		// assign it again
		$view->assign( "Pages", $pages );

		// and we re done
		return;
	}












	/**
	 * Sort an array by its column.
	 *
	 * @param array $arr
	 * @param string $col
	 * @param int|string $dir
	 *
	 * @return void
	 */

	public function array_sort_by_column( &$arr, $col, $dir = SORT_ASC )
	{
		$sort_col = array();
		foreach ($arr as $key=> $row)
			$sort_col[$key] = $row[$col];
		array_multisort($sort_col, $dir, $arr);
	}





}