<?php

class MICalculator
{
    private $fields = [

        'elevator_type' => ['label' => '梯种'],
        'floors' => ['label' => '层数'],
        'speed' => ['label' => '速度'],
        'persons' => ['label' => '人乘'],
        'weight' => ['label' => '载重'],
        'maintain_months' => ['label' => '保养月数'],
        'maintain_times' => ['label' => '保养次数'],
        'maintain_kind' => ['label' => '保养方式'],
        'is_m1_bundle'  => ['label' => '免费加装M1系统'],
        'base_price' => ['label' => '基准价格'],
        'floors_price' => ['label' => '每层加价'],
        'm1_bundle_fee' => ['label' => 'M1每月附加费']

    ];
    /**
     * 计算MI
     *
     * @param array $param
     * @return void
     */
    public function  cal(array $param)
    {
        $sql_get_price = "
            select*  from maintain_mi_option where
            elevator_type=''
            and $floors between min_floors and  max_floors
            and $speed between min_speed and  max_speed
            and $persons between min_persons and  max_persons
            and $weight between min_weight and  max_weight
            and $maintain_times between max_maintain_times and  min_maintain_times
            and  maintain_months= $maintain_months,
            and maintain_kind=$maintain_kind,
            and is_m1_bundle=$is_m1_bundle
         ";
        $price =  $base_price + $floors * $floors_price;
    }
    /**
     * 客梯报价
     *
     * @return void
     */
    public function a_price()
    {
    }

    /**
     * 货梯报价
     *
     * @return void
     */
    public function error()
    {
        return [
            'status' => 'fail',
            'message' => '无此项目,请联系业务部创建MI'
        ];
    }
}