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<?php

/* --------------------------------------------------------------
   OrderStatusStyles.inc.php 2016-05-06
   Gambio GmbH
   http://www.gambio.de
   Copyright (c) 2016 Gambio GmbH
   Released under the GNU General Public License (Version 2)
   [http://www.gnu.org/licenses/gpl-2.0.html]
   --------------------------------------------------------------
*/

/**
 * Class OrderStatusStyles
 *
 * This class works in cooperation with the "admin/html/content/layouts/main/partial/order_status_styles.html" to
 * provide the dynamic styling of the order status labels.
 *
 * @category   System
 * @package    Extensions
 * @subpackage Orders
 */
class OrderStatusStyles
{
    /**
     * @var CI_DB_query_builder
     */
    protected $db;
    
    
    /**
     * OrderStatusStyles constructor.
     *
     * @param CI_DB_query_builder $db
     */
    public function __construct(CI_DB_query_builder $db)
    {
        $this->db = $db;
    }
    
    
    /**
     * Get the order status styles for the "order_status_styles.html" partial.
     *
     * Include the order_status_styles.html in your template and pass in a variable with the "order_status_styles"
     * name. The template will output a <style> tag with the colors for each status.
     *
     * @return array
     *
     * @throws UnexpectedValueException
     * @throws InvalidArgumentException
     */
    public function getStyles()
    {
        $rows = $this->db->select('orders_status_id, color')
                         ->from('orders_status')
                         ->group_by('orders_status_id, color')
                         ->get()
                         ->result_array();
        
        $orderStatusStyles = array();
        
        foreach($rows as $row)
        {
            $orderStatusStyles[] = array(
                'id'               => $row['orders_status_id'],
                'color'            => ColorHelper::getLuminance(new StringType($row['color'])) > 143 ? '#333' : '#FFF',
                'background_color' => '#' . $row['color']
            );
        }
        
        return $orderStatusStyles;
    }
}