<?php
// +----------------------------------------------------------------------
// | 天诚科技 [ 刘海东 17600099397赋能开发者，助力企业发展 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2016~2020 https://www.tczxkj.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 该系统并不是自由软件，未经许可不能去掉相关版权
// +----------------------------------------------------------------------
// | Author:甘肃天诚志信电子商务有限公司 刘海东 联系电话维系17600099397
// +----------------------------------------------------------------------


namespace service;


use think\Request;
use service\JsonService;

class UtilService
{

    /**
     * 获取POST请求的数据
     * @param $params
     * @param null $request
     * @param bool $suffix
     * @return array
     */
    public static function postMore($params, $request = null, $suffix = false)
    {
        if ($request === null) $request = Request::instance();
        $p = [];
        $i = 0;
        foreach ($params as $param) {
            if (!is_array($param)) {
                $p[$suffix == true ? $i++ : $param] = $request->param($param);
            } else {
                if (!isset($param[1])) $param[1] = null;
                if (!isset($param[2])) $param[2] = '';
                if (is_array($param[0])) {
                    $name = is_array($param[1]) ? $param[0][0] . '/a' : $param[0][0] . '/' . $param[0][1];
                    $keyName = $param[0][0];
                } else {
                    $name = is_array($param[1]) ? $param[0] . '/a' : $param[0];
                    $keyName = $param[0];
                }
                $p[$suffix == true ? $i++ : (isset($param[3]) ? $param[3] : $keyName)] = $request->param($name, $param[1], $param[2]);
            }
        }
        return $p;
    }

    /**
     * 获取请求的数据
     * @param $params
     * @param null $request
     * @param bool $suffix
     * @return array
     */
    public static function getMore($params, $request = null, $suffix = false)
    {
        if ($request === null) $request = Request::instance();
        $p = [];
        $i = 0;
        foreach ($params as $param) {
            if (!is_array($param)) {
                $p[$suffix == true ? $i++ : $param] = $request->param($param);
            } else {
                if (!isset($param[1])) $param[1] = null;
                if (!isset($param[2])) $param[2] = '';
                if (is_array($param[0])) {
                    $name = is_array($param[1]) ? $param[0][0] . '/a' : $param[0][0] . '/' . $param[0][1];
                    $keyName = $param[0][0];
                } else {
                    $name = is_array($param[1]) ? $param[0] . '/a' : $param[0];
                    $keyName = $param[0];
                }
                $p[$suffix == true ? $i++ : (isset($param[3]) ? $param[3] : $keyName)] = $request->param($name, $param[1], $param[2]);
            }
        }
        return $p;
    }

    public static function encrypt($string, $operation = false, $key = '', $expiry = 0)
    {
        // 动态密匙长度，相同的明文会生成不同密文就是依靠动态密匙
        $ckey_length = 6;

        // 密匙
        $key = md5($key);

        // 密匙a会参与加解密
        $keya = md5(substr($key, 0, 16));
        // 密匙b会用来做数据完整性验证
        $keyb = md5(substr($key, 16, 16));
        // 密匙c用于变化生成的密文
        $keyc = $ckey_length ? ($operation == false ? substr($string, 0, $ckey_length) :
            substr(md5(microtime()), -$ckey_length)) : '';
        // 参与运算的密匙
        $cryptkey = $keya . md5($keya . $keyc);
        $key_length = strlen($cryptkey);
        // 明文，前10位用来保存时间戳，解密时验证数据有效性，10到26位用来保存$keyb(密匙b)，
//解密时会通过这个密匙验证数据完整性
        // 如果是解码的话，会从第$ckey_length位开始，因为密文前$ckey_length位保存 动态密匙，以保证解密正确
        $string = $operation == false ? base64_decode(substr($string, $ckey_length)) :
            sprintf('%010d', $expiry ? $expiry + time() : 0) . substr(md5($string . $keyb), 0, 16) . $string;
        $string_length = strlen($string);
        $result = '';
        $box = range(0, 255);
        $rndkey = array();
        // 产生密匙簿
        for ($i = 0; $i <= 255; $i++) {
            $rndkey[$i] = ord($cryptkey[$i % $key_length]);
        }
        // 用固定的算法，打乱密匙簿，增加随机性，好像很复杂，实际上对并不会增加密文的强度
        for ($j = $i = 0; $i < 256; $i++) {
            $j = ($j + $box[$i] + $rndkey[$i]) % 256;
            $tmp = $box[$i];
            $box[$i] = $box[$j];
            $box[$j] = $tmp;
        }
        // 核心加解密部分
        for ($a = $j = $i = 0; $i < $string_length; $i++) {
            $a = ($a + 1) % 256;
            $j = ($j + $box[$a]) % 256;
            $tmp = $box[$a];
            $box[$a] = $box[$j];
            $box[$j] = $tmp;
            // 从密匙簿得出密匙进行异或，再转成字符
            $result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
        }
        if ($operation == false) {
            // 验证数据有效性，请看未加密明文的格式
            if ((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) &&
                substr($result, 10, 16) == substr(md5(substr($result, 26) . $keyb), 0, 16)) {
                return substr($result, 26);
            } else {
                return '';
            }
        } else {
            // 把动态密匙保存在密文里，这也是为什么同样的明文，生产不同密文后能解密的原因
            // 因为加密后的密文可能是一些特殊字符，复制过程可能会丢失，所以用base64编码
            return $keyc . str_replace('=', '', base64_encode($result));
        }
    }


    /**
     * 路径转url路径
     * @param $path
     * @return string
     */
    public static function pathToUrl($path)
    {
        return trim(str_replace(DS, '/', $path), '.');
    }

    /**
     * url转换路径
     * @param $url
     * @return string
     */
    public static function urlToPath($url)
    {
        return ROOT_PATH . 'public/' . trim(str_replace('/', DS, $url), DS);
    }

    public static function timeTran($time)
    {
        $t = time() - $time;
        $f = array(
            '31536000' => '年',
            '2592000' => '个月',
            '604800' => '星期',
            '86400' => '天',
            '3600' => '小时',
            '60' => '分钟',
            '1' => '秒'
        );
        foreach ($f as $k => $v) {
            if (0 != $c = floor($t / (int)$k)) {
                return $c . $v . '前';
            }
        }
    }

    /**
     * 分级排序
     * @param $data
     * @param int $pid
     * @param string $field
     * @param string $pk
     * @param string $html
     * @param int $level
     * @param bool $clear
     * @return array
     */
    public static function sortListTier($data, $pid = 0, $field = 'pid', $pk = 'id', $html = '|-----', $level = 1, $clear = true)
    {
        static $list = [];
        if ($clear) $list = [];
        foreach ($data as $k => $res) {
            if ($res[$field] == $pid) {
                $res['html'] = str_repeat($html, $level);
                $list[] = $res;
                unset($data[$k]);
                self::sortListTier($data, $res[$pk], $field, $pk, $html, $level + 1, false);
            }
        }
        return $list;
    }


    /**
     * 删除公告资源
     * @param $url
     * @return \StdClass
     */
    public static function rmPublicResource($url, $isPath = false)
    {
        $path = $isPath ? $url : realpath(self::urlToPath($url));
        if (!$path) return JsonService::fail('删除文件不存在!');
        if (!file_exists($path)) return JsonService::fail('删除路径不合法!');
//        if(0 !== strpos($path,ROOT_PATH.'public/uploads/')) return JsonService::fail('删除路径不合法!');
        if (!unlink($path)) return JsonService::fail('删除文件失败!');
        return JsonService::successful();
    }

    /**
     * 是否为微信内部浏览器
     * @return bool
     */
    public static function isWechatBrowser()
    {   
        return  strpos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger')&&!self::isWechatMiniProgram()&&!strpos($_SERVER['HTTP_USER_AGENT'], 'miniProgram');
    }
    /*是否为微信小程序  */
    public static function isWechatMiniProgram(){
        return isset($_SERVER['HTTP_X_PLATFORM']) && $_SERVER['HTTP_X_PLATFORM'] === 'MiniProgram';
    }
    /**
     * 匿名处理
     * @param $name
     * @return string
     */
    public static function anonymity($name)
    {
        $strLen = mb_strlen($name, 'UTF-8');
        $min = 3;
        if ($strLen <= 1)
            return '*';
        if ($strLen <= $min)
            return mb_substr($name, 0, 1, 'UTF-8') . str_repeat('*', $min - 1);
        else
            return mb_substr($name, 0, 1, 'UTF-8') . str_repeat('*', $strLen - 1) . mb_substr($name, -1, 1, 'UTF-8');
    }

    /**
     * 身份证验证
     * @param $card
     * @return bool
     */
    public static function setCard($card)
    {
        $city = [11 => "北京", 12 => "天津", 13 => "河北", 14 => "山西", 15 => "内蒙古", 21 => "辽宁", 22 => "吉林", 23 => "黑龙江 ", 31 => "上海", 32 => "江苏", 33 => "浙江", 34 => "安徽", 35 => "福建", 36 => "江西", 37 => "山东", 41 => "河南", 42 => "湖北 ", 43 => "湖南", 44 => "广东", 45 => "广西", 46 => "海南", 50 => "重庆", 51 => "四川", 52 => "贵州", 53 => "云南", 54 => "西藏 ", 61 => "陕西", 62 => "甘肃", 63 => "青海", 64 => "宁夏", 65 => "新疆", 71 => "台湾", 81 => "香港", 82 => "澳门", 91 => "国外 "];
        $tip = "";
        $match = "/^\d{6}(18|19|20)?\d{2}(0[1-9]|1[012])(0[1-9]|[12]\d|3[01])\d{3}(\d|X)$/";
        $pass = true;
        if (!$card || !preg_match($match, $card)) {
            //身份证格式错误
            $pass = false;
        } else if (!$city[substr($card, 0, 2)]) {
            //地址错误
            $pass = false;
        } else {
            //18位身份证需要验证最后一位校验位
            if (strlen($card) == 18) {
                $card = str_split($card);
                //∑(ai×Wi)(mod 11)
                //加权因子
                $factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
                //校验位
                $parity = [1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2];
                $sum = 0;
                $ai = 0;
                $wi = 0;
                for ($i = 0; $i < 17; $i++) {
                    $ai = $card[$i];
                    $wi = $factor[$i];
                    $sum += $ai * $wi;
                }
                $last = $parity[$sum % 11];
                if ($parity[$sum % 11] != $card[17]) {
//                        $tip = "校验位错误";
                    $pass = false;
                }
            } else {
                $pass = false;
            }
        }
        if (!$pass) return false;/* 身份证格式错误*/
        return true;/* 身份证格式正确*/
    }

    /*
     * 判断手机机型
     * @return int 1=ios,2=android,3=其他
     * */
    public static function getDeviceType()
    {
        if (strpos($_SERVER['HTTP_USER_AGENT'], 'iPhone') || strpos($_SERVER['HTTP_USER_AGENT'], 'iPad')) {
            return 1;
        } else if (strpos($_SERVER['HTTP_USER_AGENT'], 'Android')) {
            return 2;
        } else {
            return 3;
        }
    }

    /**随机数
     * @param bool $prefix 前缀
     * @param int $len 随机长度
     * @param bool $random
     * @return string
     */
    public static function makeRandomNumber($prefix = false, $len = 6, $random = false)
    {
        if (!$prefix) {
            $prefix = "";
        }
        switch ($len) {
            case 5:
                $one_random = mt_rand(11111, 99999);
                $max = 99999;
                break;
            case 6:
                $one_random = mt_rand(111111, 999999);
                $max = 999999;
                break;
        }
        $date_random = date('ymd', time());
        $random_tmp = strlen($one_random);
        $two_randow = str_pad(mt_rand(1, $max), $random_tmp, '0', STR_PAD_LEFT);
        if (!$random) {
            return $two_randow;
        } else {
            return $prefix . $one_random . $date_random . $two_randow;
        }
    }

}