<?php

namespace App\Services\Dealer;

use App\Models\DealerProduct;
use App\Models\User;

class OrderService
{
    /**
     * 计算订单价格
     *
     * @param DealerProduct $product
     * @param integer $number
     * @return void
     */
    public function totalAmount(User $user, DealerProduct $product, int $number = 0)
    {
        //获取等级规则，判断当前用户等级是否配置等级价格
        $salePrice = $product->price;
        if ($user->dealer) {
            foreach ($product->lvlRules as $rule) {
                if ($rule->lvl == $user->dealer->lvl) {
                    $salePrice = $rule->sale_price;
                    break;
                }
            }
        }

        //获取销售规则，判断当前用户购买数量价格
        foreach ($product->saleRules as $rule) {
            if ($number >= $rule->qty) {
                if ($salePrice > $rule->price) {
                    $salePrice = $rule->price;
                }
                break;
            }
        }
        // dd($salePrice, $number);

        return bcmul($salePrice, $number, 2);
    }

    public function createOrder(User $user, DealerProduct $product, int $number = 0)
    {
    }
}