<?php

namespace App\Handlers;

use GatewayClient\Gateway;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Redis;

class ClientServer
{
    use HelperTrait, OrderTrait;

    const RUN_CMD = '5a';
    //运行命令
    const STATUS_CMD = 'a5';
    //设备状态
    const LOCATION_CMD = 'a6';
    //设备位置
    const CACHE_KEY = 'CMD:RESPONSE:';
    public static $registerAddress = '127.0.0.1:1238';

    /**
     * 开始命令
     * @param $box_no
     * @param $mode
     * @param $time
     * @param int $reset
     * @param bool $is_response
     * Author: Mead
     */
    public static function startBox($box_no, $mode, $time_a, $time_b, $reset = 0, $is_response = true)
    {
        $time_a = str_pad(dechex($time_a), 2, 0, STR_PAD_LEFT);
        $time_b = str_pad(dechex($time_b), 2, 0, STR_PAD_LEFT);
        $body = [
            "0{$reset}",
            "0{$mode}",
            $time_a,
            $time_b
        ];
        return self::send(self::RUN_CMD, $box_no, $body, $is_response);
    }

    /**
     * @param $cmd
     * @param $box_no
     * @param array $body
     * @param bool $is_response
     * @return int  -1离线 0发送失败（终端执行） 1正常 3超时
     * Author: Mead
     */
    private static function send($cmd, $box_no, $body = [], $is_response = true)
    {
        Gateway::$registerAddress = self::$registerAddress;
        //是否在线
        if (!Gateway::isUidOnline($box_no)) {
            Log::error('设备不在线' . $box_no);
            return -1;
        }
        Log::error("sendMSG||" . $box_no . '||' . arr2str($body, '||'));
        $response = [
            'aa',
            $cmd,
            str_pad(dechex(count($body)), 2, 0, STR_PAD_LEFT)
        ];
        $response = array_merge($response, $body);

        $response[] = self::sumDexArr($response);
        $responseBody = strtolower(implode('', $response)) . '0d0a';

        Gateway::sendToUid($box_no, hex2bin($responseBody));

        if (!$is_response) {
            //不进行状态监测
            return $responseBody;
        }

        $redis = Redis::connection();
        $result = 3;
        for ($i = 1; $i <= 30; $i++) {
            usleep(500000);
            $data = $redis->get(self::CACHE_KEY . $box_no . ':' . $cmd);
            if ($data != null) {
                $result = self::getCache($data);
                $redis->del(self::CACHE_KEY . $box_no . ':' . $cmd);
                break;
            }

            //补发
            if (in_array($i, [10, 20])) {
                Gateway::sendToUid($box_no, hex2bin($responseBody));
            }
        }
        return $result;
    }

    /**
     * 获取设备状态
     * @param $box_no
     * @return int
     * Author: Mead
     */
    public static function getBoxStatus($box_no, $is_response = true)
    {
        $body = [
            '5a'
        ];

        return self::send(self::STATUS_CMD, $box_no, $body, $is_response);
    }

    /**
     * 获取定位
     * @param $box_no
     * @return int
     * Author: Mead
     */
    public static function getLocation($box_no, $is_response = true)
    {
        $body = [
            'a5'
        ];

        return self::send(self::LOCATION_CMD, $box_no, $body, $is_response);
    }

    public static function getCache($val)
    {
        $array = explode('||', $val);
        if (count($array) !== 2) return false;
        list($type, $data) = $array;
        switch ($type) {
            case 'string':
                return $data;
                break;
            case 'array':
                return json_decode($data, true);
        }
        return false;
    }

}