<?php


namespace App\Servers;


use AlibabaCloud\Client\AlibabaCloud;
use AlibabaCloud\Client\Exception\ClientException;
use AlibabaCloud\Sts\Sts;
use App\Models\Config;
use App\Models\ErrorRecord;
use App\Models\Region;
use Illuminate\Support\Facades\Redis;
use OSS\Core\OssException;
use OSS\Credentials\EnvironmentVariableCredentialsProvider;
use OSS\Http\RequestCore_Exception;
use OSS\OssClient;

/**
 * 公共服务方法
 */
class CommonServer
{

    /**
     * 错误信息
     * @var string
     */
    private $errorMsg = '';

    static private $server = null;


    private function __construct()
    {

    }

    /**
     * 创建对象
     * @return CommonServer
     */
    static function creatServer()
    {
        if (empty(self::$server)) self::$server = new CommonServer();
        return self::$server;
    }


    /**
     * 创建文件夹
     * @param $dir
     * @return bool
     */
    function creatDir($dir)
    {
        if ($dir == '') return false;
        if (!file_exists(public_path($dir))) {
            mkdir(public_path($dir), 0777, true);
            chmod(public_path($dir), 0777);
        }
        return true;
    }

    /**
     * redis 滑动窗口节流阀
     * @param $key
     * @param $num //允许的请求次数
     * @param $secs //时间段（秒）
     * @return bool
     */
    function redisThrottler($key ,$num ,$secs){
        try {
            //获取当前时间戳
            $nowTime=time();
            //获取队列长度
            $length=Redis::lLen($key);
            //如果长度没到限制数量就通过
            if($length<$num){
                //当前请求的时间入队
                Redis::lPush($key,$nowTime);
                Redis::expire($key,$secs);
                return true;
            }
            //队列满了,取出最早访问的时间
            $startTime= Redis::lIndex($key,$length-1);
            //计算当前时间和最早一次请求的时间差,如果在规定的时间范围,则不允许通过
            if ($nowTime-$startTime <= $secs) {
                return false;
            } else {
                //如果不在规定的时间范围，证明最早的请求过期,就去掉最早期的再把当前的请求入队
                Redis::rPop($key);
                Redis::lPush($key,$nowTime);
                Redis::expire($key,$secs);
            }
            return true;
        }catch (\Exception $e){
            var_dump($e->getMessage());
            return true;
        }

    }

    /**
     * 指定路由加锁
     * @param $lock_key
     * @param $lock_value
     * @param $routeName
     * @return bool
     */
    function lockSpecifyRoutes($lock_key,$lock_value,$routeName){
        $routeArr=   [
            'withdraw.withdraw',
        ];
        if(in_array($routeName,$routeArr)){
            $lock = RedisDataServer::creatServer()->lockKey($lock_key,$lock_value,1000);
            if(!$lock){//拿不到锁
                return false;
            }
        }
        return true;
    }

    /**
     * 获取数据库配置信息
     * @param $key
     * @return mixed
     */
    function getConfigValue($key)
    {
        return Config::where('key', $key)->value('value');
    }

    /**
     * 生成订单编号
     * @param $prefix
     * @return string
     */
    function createOrderNo($prefix='')
    {
        return $prefix.date('YmdHi').substr(implode('', array_map('ord', str_split(substr(uniqid(), 7, 13), 1))), 0, 8) . rand(100,999);
    }

    /**
     * 生成唯一码
     * @param $key
     * @return string
     */
    function getOnlyCode($key)
    {
        $total_count = RedisDataServer::creatServer()->getData($key);
        if (empty($total_count)){
            $total_count = rand(100,300);

            // 获取当前时间戳
            $now = time();
            // 获取今天结束的时间戳
            $endOfDay = strtotime("tomorrow") - 1;
            // 计算剩余时间（秒）
            $secondsLeft = bcsub($endOfDay,$now,1);
            RedisDataServer::creatServer()->setData($key,$total_count,'str',$secondsLeft);
        }

        RedisDataServer::creatServer()->setIncr($key);

        return date('md') . $total_count;
    }


    /**
     * @param $str
     * @return array|string|string[]|null
     */
    function utf8_filter($str)
    {

        $pattern = '/[^\x{4e00}-\x{9fa5}\w]/u';
        // 使用正则表达式替换为空字符串
        $data = preg_replace($pattern, '', $str);
        return $data;
    }

    /**
     * 字符串去标签过滤及空格过滤
     * @param $str_name
     * @param $default
     * @return string
     */
    function filtrationStr($str_name, $default = '')
    {
        $str = request()->input($str_name);
        if (empty($str)) {
            return $default;
        };
        if (is_string($str)){
            $str = strip_tags($str);
            $str = trim($str);
        }elseif (is_array($str)){
            $data = [];
            foreach ($str as $value){
                $value = strip_tags($value);
                $data[] = trim($value);
            }
            $str = $data;
        }else{
            $str = json_encode($str);
            $str = strip_tags($str);
            $str = trim($str);
            $str = json_decode($str, true);
        }
        return $str;
    }

    /**
     * 手机号码验证
     * @param $phone
     * @return bool
     */
    function verifyPhone($phone)
    {
        if (empty($phone)) return false;
        if (!preg_match('/^1[3-9]\d{9}$/', $phone)){
            return false;
        }
        return true;
    }

//    /**
//     * 获取阿里云sts临时权限 旧版alibabacloud/sdk包
//     */
//    function getAliSts()
//    {
//        $data = RedisDataServer::creatServer()->getData('sts_data');
//        if ($data) {
//            $data = json_decode($data, true);
//        } else {
//            $accessKeyId = env('ALI_OSS_ACCESS_ID');
//            $accessSecret = env('ALI_OSS_ACCESS_KEY');
//            AlibabaCloud::accessKeyClient($accessKeyId, $accessSecret)->regionId('cn-chengdu')->asDefaultClient();
//            //设置参数，发起请求。
//            try {
//                $result = AlibabaCloud::rpc()
//                    ->product('Sts')
//                    ->scheme('https') // https | http
//                    ->version('2015-04-01')
//                    ->action('AssumeRole')
//                    ->method('POST')
//                    ->host('sts.aliyuncs.com')
//                    ->options([
//                        'query' => [
//                            'RegionId' => "cn-chengdu",
//                            'RoleArn' => "acs:ram::1816998012508375:role/ramosstest",
//                            'RoleSessionName' => "js-oss-serve",
//                            'DurationSeconds' => 900,
//                        ],
//                    ])
//                    ->request();
//                $result = $result->toArray();
//                if (empty($result['Credentials'])) {
//                    return ['code' => 0, 'msg' => '获取token信息失败'];
//                }
//                $data = $result['Credentials'];
//                unset($data['Expiration']);
//                RedisDataServer::creatServer()->setData('sts_data', $data, 'json', 800);
//            } catch (ClientException $e) {
//                return ['code' => 0, 'msg' => $e->getErrorMessage()];
//            }
//        }
//        return ['code' => 1, 'msg' => '获取信息成功', 'data' => $data];
//
//    }

    /**
     * 获取阿里云sts临时权限 alibabacloud/sts包
     */
    function getAliSts()
    {
        $data = RedisDataServer::creatServer()->getData('sts_data');
        if ($data) {
            $data = json_decode($data, true);
        } else {

            // 配置你的AccessKeyId和AccessKeySecret
            $accessKeyId = config('aliyun.oss.access_id');
            $accessKeySecret = config('aliyun.oss.access_key');

            AlibabaCloud::accessKeyClient($accessKeyId,$accessKeySecret)
                ->regionId('cn-chengdu')
                ->asDefaultClient();
            try {
                $request = Sts::v20150401()->assumeRole();
                $result = $request
                    ->withRoleArn("acs:ram::1816998012508375:role/ramosstest")
                    ->withRoleSessionName("js-oss-serve")
                    ->request();

                $result = $result->toArray();
                if (empty($result['Credentials'])) {
                    return ['code' => 0, 'msg' => '获取token信息失败'];
                }
                $data = $result['Credentials'];
                unset($data['Expiration']);

                RedisDataServer::creatServer()->setData('sts_data', $data, 'json', 800);
            } catch (ClientException $e) {
                return ['code' => 0, 'msg' => $e->getErrorMessage()];
            }
        }

        return ['code' => 1, 'msg' => '获取信息成功', 'data' => $data];
    }

    /**
     * oss上传
     */
    function uploadAliOss($filePath,$path = 'images')
    {

        // 配置信息
        $accessKeyId = config('aliyun.oss.access_id');
        $accessSecret = config('aliyun.oss.access_key');
        $endpoint = "oss-cn-chengdu.aliyuncs.com"; // 如 oss-cn-hangzhou.aliyuncs.com
        $bucket= config('aliyun.oss.bucket'); // OSS中的存储空间名称

        // 初始化
        try {
            $ossClient = new OssClient($accessKeyId, $accessSecret, $endpoint);

            $upload_path = "files" . DIRECTORY_SEPARATOR . $path . DIRECTORY_SEPARATOR . date('Ymd', time()) . DIRECTORY_SEPARATOR;

            $extension = pathinfo($filePath, PATHINFO_EXTENSION);
            $object = $upload_path . md5(uniqid() . time()) . $extension; // OSS中的文件路径和名称

            // 上传文件
            $ossClient->uploadFile($bucket, $object, $filePath);

            return ['code' => 1, 'msg' => '上传成功','data'=>$object];
        } catch (OssException $e) {
            return ['code' => 0, 'msg' => $e->getMessage()];
        }
    }

    /**
     * 删除oss文件
     * @param $filePath
     * @return bool
     * @throws RequestCore_Exception
     */
    function delAliOss($filePath)
    {
        // 配置信息
        $accessKeyId = config('aliyun.oss.access_id');
        $accessSecret = config('aliyun.oss.access_key');
        $endpoint = "oss-cn-chengdu.aliyuncs.com"; // 如 oss-cn-hangzhou.aliyuncs.com
        $bucket= config('aliyun.oss.bucket'); // OSS中的存储空间名称

        try {
            $ossClient = new OssClient($accessKeyId, $accessSecret, $endpoint);

            // 删除文件
            $ossClient->deleteObject($bucket, urldecode($filePath));
            return true;
        } catch (OssException $e) {
            ErrorRecord::create(['msg' => '阿里云oss删除失败', 'data' => json_encode($filePath,JSON_UNESCAPED_UNICODE)]);
            return false;
        }
    }

    /**
     * 获取城市名称
     * @param $province_id
     * @param $city_id
     * @param $area_id
     * @param $street_id
     * @return string
     */
    function getCityName($province_id = 0, $city_id = 0, $area_id = 0, $street_id = 0)
    {
        $area_arr = [$province_id, $city_id, $area_id, $street_id];
        $area_arr = array_filter($area_arr);
        if ($area_arr) {
            $region = Region::whereIn('id', $area_arr)->orderBy('id', 'asc')->pluck('name')->toArray();
            $city_name = implode(' ', $region);
        } else {
            $city_name = '';
        }

        return $city_name;
    }

    /**
     * 获取两个经纬度直接距离
     * @param $lat1
     * @param $lng1
     * @param $lat2
     * @param $lng2
     * @return float
     */
    function getDistance($lat1, $lng1, $lat2, $lng2){

        $lat1 = ($lat1 * pi() ) / 180;
        $lng1 = ($lng1 * pi() ) / 180;

        $lat2 = ($lat2 * pi() ) / 180;
        $lng2 = ($lng2 * pi() ) / 180;

        $calcLongitude = $lng2 - $lng1;
        $calcLatitude = $lat2 - $lat1;
        $dist = 2 * asin(sqrt(pow(sin($calcLatitude/2),2) + cos($lat1) * cos($lat2) * pow(sin($calcLongitude/2),2)));
        $dist = $dist * 6378.137;
        return round($dist, 2);
    }


    /**
     * 获取真实IP
     * @return mixed
     */
    function getClientIp()
    {
        $http_x_forwarded_for = request()->header('x-forwarded-for');
        if (empty($http_x_forwarded_for)) {
            return request()->getClientIp();
        } else {
            $http_x_forwarded_for = explode(',', $http_x_forwarded_for);
            return $http_x_forwarded_for[0];
        }
    }

    /**
     * 截取字符串
     * @param $string
     * @param $limit
     * @param $suffix
     * @return mixed|string
     */
    function truncateChineseString($string, $limit = 100, $suffix = '...') {
        if (mb_strlen($string, 'UTF-8') <= $limit) {
            // 如果字符串长度没有超过限制，直接返回
            return $string;
        }

        // 截取前 $limit 个汉字
        $truncated = mb_substr($string, 0, $limit, 'UTF-8');

        // 确保截取后的字符串是完整的汉字，不会被截断
        // 如果最后一个字符不是汉字，则需要回溯到上一个汉字的位置
//        $lastChar = mb_substr($truncated, -1, 1, 'UTF-8');
//        if (preg_match('/[^\x{4e00}-\x{9fa5}]/u', $lastChar)) {
//            // 最后一个字符不是汉字，回溯到上一个汉字
//            $truncated = mb_substr($string, 0, mb_strrpos($truncated, mb_substr($string, 0, mb_strlen($truncated, 'UTF-8') - 1, 'UTF-8'), 'UTF-8'), 'UTF-8');
//        }

        // 添加省略号
        return $truncated . $suffix;
    }

    /**
     * 处理图片压缩
     * @param $img
     * @param $str
     * @return string
     */
    function setImageCompress($img,$str)
    {
        //查找链接中?出现的位置
        $find = strrpos($img ,'?');
        if (!$find){//没有就直接拼接
            return $img . '?' . $str;
        }else{
            $url = substr($img,0,$find);
            return $url . '?' . $str;
        }
    }

    /**
     * 获取随机字符串
     * @param int $length
     * @param string $strPol
     * @return string|null
     */
    function getRandChar($length = 6, $strPol = '')
    {
        if ($length <= 0) $length = 1;
        $str = null;
        if (empty($strPol)) $strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz";
        $max = strlen($strPol) - 1;
        for ($i = 0; $i < $length; $i++) {
            $str .= $strPol[rand(0, $max)];//rand($min,$max)生成介于min和max两个数之间的一个随机整数
        }
        return $str;
    }

    /**
     * 截取字符串
     * @param $num
     * @param $decimals
     * @return string
     */
    function truncateDecimal($num, $decimals = 2) {
        $factor = pow(10, $decimals);
        $truncated = (int)($num * $factor) / $factor;
        return number_format($truncated, $decimals, '.', '');
    }


    /**
     * @param $url
     * @param string $type 请求方式
     * @param string $data 数据 数组格式
     * @return mixed
     */
     function sendRequest($url, $type = 'get', $data = '')
    {

        $ch = curl_init();
        if ($type == 'get' && $data) {
            $url = $url . '?' . http_build_query($data);
        }
        curl_setopt($ch, CURLOPT_URL, $url); //设置访问路径
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); //设置可以返回字符串
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $head = array('User-Agent:Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36');
        curl_setopt($ch, CURLOPT_HTTPHEADER, $head);
        if ($type == 'post') {
            curl_setopt($ch, CURLOPT_POST, TRUE);//post请求
            $data = json_encode($data, JSON_UNESCAPED_UNICODE);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $data);//设置传递的参数
        }
        $request = curl_exec($ch);
        curl_close($ch);
        return $request;
    }
}