<?php
/**
 * Magento
 *
 * 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@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Adminhtml
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Adminhtml customers by totals report grid block
 *
 * @category   Mage
 * @package    Mage_Adminhtml
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Adminhtml_Block_Report_Customer_Totals_Grid extends Mage_Adminhtml_Block_Report_Grid
{

    public function __construct()
    {
        parent::__construct();
        $this->setId('gridTotalsCustomer');
    }

    protected function _prepareCollection()
    {
        parent::_prepareCollection();
        $this->getCollection()->initReport('reports/customer_totals_collection');
    }

    protected function _prepareColumns()
    {
        $this->addColumn('name', array(
            'header'    => $this->__('Customer Name'),
            'sortable'  => false,
            'index'     => 'name'
        ));

        $this->addColumn('orders_count', array(
            'header'    => $this->__('Number of Orders'),
            'width'     => '100px',
            'sortable'  => false,
            'index'     => 'orders_count',
            'total'     => 'sum',
            'type'      => 'number'
        ));

        $baseCurrencyCode = $this->getCurrentCurrencyCode();
        $rate = $this->getRate($baseCurrencyCode);

        $this->addColumn('orders_avg_amount', array(
            'header'    => $this->__('Average Order Amount'),
            'width'     => '200px',
            'align'     => 'right',
            'sortable'  => false,
            'type'      => 'currency',
            'currency_code'  => $baseCurrencyCode,
            'index'     => 'orders_avg_amount',
            'total'     => 'orders_sum_amount/orders_count',
            'renderer'  => 'adminhtml/report_grid_column_renderer_currency',
            'rate'      => $rate,
        ));

        $this->addColumn('orders_sum_amount', array(
            'header'    => $this->__('Total Order Amount'),
            'width'     => '200px',
            'align'     => 'right',
            'sortable'  => false,
            'type'      => 'currency',
            'currency_code'  => $baseCurrencyCode,
            'index'     => 'orders_sum_amount',
            'total'     => 'sum',
            'renderer'  => 'adminhtml/report_grid_column_renderer_currency',
            'rate'      => $rate,
        ));

        $this->addExportType('*/*/exportTotalsCsv', Mage::helper('reports')->__('CSV'));
        $this->addExportType('*/*/exportTotalsExcel', Mage::helper('reports')->__('Excel XML'));

        return parent::_prepareColumns();
    }

}