<?php
/**
 * 全局通用常量.
 *
 * @author nj <nj@gmail.com>
 * @date   2019-11-03 14:25:14
 */


namespace App\Constants;

use Hyperf\Constants\AbstractConstants;
use Hyperf\Constants\Annotation\Constants;

class CommonConstant extends AbstractConstants
{
    const HANDSHAKE = 'v2wzr08y';   // 返回data节点里的数据加密key的映射关系.

    const APP_SHORT_NAME = 'pj';    // APP 短拼音，用于支付订单号.

    const PAGE_SIZE = 20;   // 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 allowHandShakeKeys()
    {
        $arrMapping = [
            'ipx' => [
                'key' => 'sg33445566778899',
                'iv' => '',
            ],
            'v20221010' => [
                'key' => 'zLPQqmQSsOLSNr7T',
                'iv' => '',
            ],
            'v2wzr08y' => [
                'key' => 'bUEowAg8r3QrMigK',
                'iv' => '',
            ],
        ];

        return $arrMapping;
    }


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

    /**
     * 获取HandShake
     * @return string
     */
    public static function getHandShake()
    {
        $flag = self::HANDSHAKE;
        $appEnv = env('APP_ENV', 'prod');
        if (in_array($appEnv, ['local', 'dev'])) {
            $flag = '';
        }
        return $flag;
    }

    /**
     * 获取stock kek
     *
     * @return string
     */
    public static function getStockHandSnakeKey()
    {
        return 'lfo2HR6Thy1mSPri';
    }
}