<?php
/**
 * @author: xaboy<365615158@qq.com>
 * @day: 2017/11/11
 */

namespace app\models\system;

use crmeb\traits\ModelTrait;
use crmeb\basic\BaseModel;
use think\facade\Env;

/**
 * 物流公司
 * Class Express
 * @package app\models\system
 */
class Site extends BaseModel
{

    /**
     * 数据表主键
     * @var string
     */
    protected $pk = 'id';

    /**
     * 模型名称
     * @var string
     */
    protected $name = 'site';

    use ModelTrait;

    public static function lst()
    {
        $model = new self;
        $model = $model->where('status', 1);
        return $model->select();
    }

    public static function addSite($name, $domain)
    {
        if (self::be(['domain' => $domain])) return self::setErrorInfo('已存在同名站点');
        return self::create([
            'name' => $name,
            'appid' => self::getNewAppId(),
            'appsecret' => self::getNewSecret(),
            'add_time' => time(),
            'domain' => $domain,
        ]);
    }

    public static function getNewAppId()
    {
        do {
            $str = 'La' . strtoupper(substr(md5(time() . rand(0, 100000) . self::getLastInsID()), 0, 12));
        } while (self::be(['appid' => $str]));
        return $str;
    }

    public static function getNewSecret()
    {
        return strtoupper(md5(time() . rand(0, 100000) . self::getLastInsID()));
    }

    public static function checkSign($sign, $appid, $time, $action)
    {
//        var_dump(Env::get('app_debug'));
        if ($action != 'register' && $action != 'verify' && !Env::get('app_debug') && (strlen((string)$time) >= 13 ? $time / 1000 : $time) + 30 < time()) return self::setErrorInfo('签名已过期');
        return $sign === self::getSign($appid, $time) ? self::where('appid', $appid)->value('id') : self::setErrorInfo('无效的签名');
    }

    public static function getSign($appid, $time)
    {
        $appSecret = self::where('status', 1)->where('appid', $appid)->value('appsecret');
        if (!$appSecret) {
            return self::setErrorInfo('站点异常');
        }
        return strtoupper(md5(md5($appid . $appSecret . $time . $appid . $time . $appSecret . $appSecret . $appid)));
    }
}