<?php

namespace Stemcell\Sales\Block\Adminhtml\Order;

use Magento\Framework\DataObject;

class Totals extends \Magento\Sales\Block\Adminhtml\Order\Totals
{
    protected function _initTotals()
    {
        \Magento\Sales\Block\Adminhtml\Totals::_initTotals();
        $this->_totals['paid'] = new \Magento\Framework\DataObject(
            [
                'code' => 'paid',
                'strong' => true,
                'value' => $this->getSource()->getTotalPaid(),
                'base_value' => $this->getSource()->getBaseTotalPaid(),
                'label' => __('Total Paid'),
                'area' => 'footer',
            ]
        );
        $this->_totals['refunded'] = new \Magento\Framework\DataObject(
            [
                'code' => 'refunded',
                'strong' => true,
                'value' => $this->getSource()->getTotalRefunded(),
                'base_value' => $this->getSource()->getBaseTotalRefunded(),
                'label' => __('Total Refunded'),
                'area' => 'footer',
            ]
        );
        $this->_totals['customer_discount_amount'] = new DataObject(
            [
                'code' => 'customer_discount_amount',
                'strong' => true,
                'value' => '¥'.number_format($this->getSource()->getData('customer_discount'), 2, '.', ''),
                'label' => __('优惠金额'),
                'area' => 'footer',
            ]
        );
        $code = 'due';
        $label = 'Total Due';
        $value = $this->getSource()->getTotalDue();
        $baseValue = $this->getSource()->getBaseTotalDue();
        if ($this->getSource()->getTotalCanceled() > 0 && $this->getSource()->getBaseTotalCanceled() > 0) {
            $code = 'canceled';
            $label = 'Total Canceled';
            $value = $this->getSource()->getTotalCanceled();
            $baseValue = $this->getSource()->getBaseTotalCanceled();
        }
        $this->_totals[$code] = new \Magento\Framework\DataObject(
            [
                'code' => 'due',
                'strong' => true,
                'value' => $value,
                'base_value' => $baseValue,
                'label' => __($label),
                'area' => 'footer',
            ]
        );
        return $this;
    }
}