<?php
/**
 * Created by PhpStorm.
 * User: Mead
 * Date: 2019/9/3
 * Time: 8:05 PM
 */

namespace App\Servers;

use App\Models\BatteryTraitModel;

class BatteryServer extends BaseServer
{
    use BatteryTraitModel;

    /**
     *
     * @param $body
     * @return array
     * User: Mead
     */
    public function main($body)
    {
        $data = $this->decode($body);
        self::log($data, 'BatteryServer', self::$LOG_MAJOR);

        if ($this->is_ep_min($data['box_no'], 'update_battery_box_no', 3)) {
            // 更新电车的电量
            $cols['battery_power'] = $this->byVoltageGetElectric($data['battery_voltage']);

            $cols['is_low_battery_power'] = 1;
            if ($cols['battery_power'] <= self::$max_ride_v) {
                $cols['is_low_battery_power'] = 0;
            }

            $this->db->update('bikes')->where('box_no = ' . $data['box_no'])->cols($cols)->query();
        }


        return $this->response();
    }

    /**
     * 解析装载的数据
     * @param $body
     * @return array
     * User: Mead
     */
    private function decode($body)
    {
        $i = 0;
        $box_no = self::stitching($body, $i, 5);
        $i += 5;
        // 设备时间
        $time = self::stitching($body, $i, 4);
        $i += 4;
        // 相对soc
        $battery_xd_soc = self::stitching($body, $i, 1);
        $i += 1;
        // 可用剩余容量
        $battery_mb_free = self::stitching($body, $i, 2);
        $i += 2;
        // 绝对soc
        $battery_jd_soc = self::stitching($body, $i, 1);
        $i += 1;
        // 绝对满电容量
        $i += 2;
        // SOH
//        $battery_soh = self::stitching($body, $i, 1);
        $i += 1;
        // 内部温度
        $i += 2;
        // 实时电流
        $i += 2;
        // 电压
        $battery_voltage = self::stitching($body, $i, 2);
        $i += 2;
        // 循环次数
        $i += 2;
        // 1~7节电池电压
        $i += 14;
        // 8~14节电池电压
        $i += 14;
        // 当前充电间隔时间
        $i += 2;
        // 最大充电间隔时间
        $i += 2;
        // 读写成本条形码
        $i += 16;
        //读版本号
        $i += 2;
        //电池组制造厂名称
        $battery_name = self::stitching($body, $i, 16);
        $i += 16;

        // 处理值
        $box_no = $this->decodeBoxNo($box_no);
        $time = $this->decodeTime($time);
        $battery_voltage = $this->decodeBatteryVoltage($battery_voltage);

        return [
            'box_no' => $box_no,
            'time' => $time,
            'battery_voltage' => $battery_voltage,
            'battery_name' => $battery_name,
            'battery_xd_soc' => $battery_xd_soc,
            'battery_mb_free' => $battery_mb_free,
            'battery_jd_soc' => $battery_jd_soc,
        ];
    }

}