<?php
/**
 * 描述.
 *
 * @author nj
 * @date   2021-05-19 02:33:22
 */


namespace App\Constants;


class CommonConstant
{
    const HANDSHAKE = 'v20211004';   // 返回data节点里的数据加密key的映射关系.

    const PAGE_SIZE = 10;   // 分页查询一页个数.

    /**
     * 前台appToken名.
     */
    const X_TOKEN_NAME = 'X-TOKEN';

    /**
     * 后端Token名.
     */
    const MG_TOKEN_NAME = 'AUTH-TOKEN';

    public static function getHandSnakeKey($flag)
    {
        $arrMapping = [
            'v20211004' => [
                'key' => 'WGwb1PhI2qkcK',
            ],
        ];
        $randMaps = [
            'key' => rand_letter(16),
        ];
        return data_get($arrMapping, $flag, $randMaps);
    }

    /**
     * 获取HandShake
     * @return string
     */
    public static function getHandShake()
    {
        $flag = self::HANDSHAKE;
        $appENv = env('APP_ENV', 'production');
        if ($appENv == 'local') {
            $flag = '';
        }
        return $flag;
    }
}