<?php

namespace Scm\Lib;

use Dever;

class Price
{
    public function __construct()
    {
        Dever::load('manage/auth.init');
    }

    # 根据单位获取价格
    public function getByUnit($goods_id, $sku_id, $unit_id, $num, $cash, $in_num = 0, $supplier_id = false)
    {
        $goods_info = Dever::load('scm_product/lib/info')->getBaseInfo($goods_id, $sku_id);
        $result = array();

        if ($goods_info) {
            $where['goods_id'] = $goods_id;
            $where['sku_id'] = $sku_id;

            # 获取供应商供货价
            if ($supplier_id) {
                $where['supplier_id'] = $supplier_id;
                $sku = Dever::db('scm_supplier/goods_sku')->getOne($where);
            }

            $result['unit_id'] = $unit_id;
            $result['base_unit_id'] = $goods_info['unit_id'];
            if (!is_numeric($cash)) {
                $cash = isset($sku[$cash]) && $sku[$cash] ? $sku[$cash] : $goods_info[$cash];
            }
            $result['base_cash'] = $result['cash'] = $cash;
            $result['base_num'] = $result['num'] = $num;
            $result['in_num'] = $in_num;
                
            $unit = Dever::db('scm_product/info_unit')->find(array('info_id' => $goods_info['id'], 'unit_id' => $unit_id));

            if ($unit && $unit_id != $goods_info['unit_id'] && $unit['discount'] > 0) {
                $result['cash'] = $result['cash'] * $unit['radio'] * $unit['discount'];
                $result['base_num'] = $num * $unit['radio'];
                $result['in_num'] = round($in_num / $unit['radio'], 2);
            }
            $unit_info = Dever::db('scm/unit')->one($unit_id);

            $result = Dever::number(array(array('cash', 'base_cash', 'num', 'base_num', 'in_num'), $result));
            if ($result['in_num'] > 0) {
                $result['goods_id'] = $result['in_num'] . $unit_info['name'];
            }
        }

        return $result;
    }
}