<?php

namespace app\api\controller;

use app\common\controller\Common;
use think\Db;
use think\Request;
use util\Aes;
use app\admin\model\Attachment as AttachmentModel;
use app\member\model\Member as MemberModel;

class Api extends Common
{

    protected $params        = null; //传参
    protected $user_id       = 0; //登录用户id
    protected $user_info     = 0; //登录用户信息
    protected $base_url      = null; //网站域名

    public function initialize()
    {
        header('Content-Type:application/json; charset=utf-8');
        parent::initialize();

        $this->params     = $this->request->param(); //传参
        $this->base_url = 'https://' . $_SERVER['HTTP_HOST']; //当前域名

        //获取头部信息
        $header = $this->request->header();

        //非登录模块操作需要验证用户信息
        if ( $this->request->controller() != 'Login' && $this->request->controller() != 'Uploadfile' && $this->request->controller() != 'Wxpaynotify') {

            if($this->request->action()!='index' && $this->request->action()!='groupdetail' && $this->request->action()!='messageboard'){

                //根据token获取用户信息
                if (!isset($header['user-token']) || empty($header['user-token'])) {
                    apiReturn(500,'token信息不存在');
                }

                $user_token = $header['user-token'];

                $this->user_info   = MemberModel::where('userToken',$user_token)->find();

                if (!$this->user_info || empty($user_token)) {
                    apiReturn(500,'token参数错误或登录超时');
                }

                // 检查账号有效性
                if (!MemberModel::where(['id' => $this->user_info['id'], 'is_delete' => 0])->value('id')) {
                    apiReturn(500,'账号不存在或已被禁用');
                }

                //登录是否超时（一周登录时间）
                $time_compa = abs(time() - $this->user_info['lastlogin_time']);
                if ($time_compa > 604800) {
                    //清空token
                    MemberModel::update(['user_token' => ''], ['id' => $this->user_info['id']]);
                    apiReturn(500,'登录超时');
                }

                //登录用户id
                $this->user_id    = $this->user_info['id'];

            }else{
                
                if (isset($header['user-token']) && !empty($header['user-token'])) {
                    $user_token = $header['user-token'];

                    $this->user_info   = MemberModel::where('userToken',$user_token)->find();
    
                    if (!$this->user_info || empty($user_token)) {
                        apiReturn(500,'token参数错误或登录超时');
                    }
    
                    // 检查账号有效性
                    if (!MemberModel::where(['id' => $this->user_info['id'], 'is_delete' => 0])->value('id')) {
                        apiReturn(500,'账号不存在或已被禁用');
                    }
    
                    //登录是否超时（一周登录时间）
                    $time_compa = abs(time() - $this->user_info['lastlogin_time']);
                    if ($time_compa > 604800) {
                        //清空token
                        MemberModel::update(['user_token' => ''], ['id' => $this->user_info['id']]);
                        apiReturn(500,'登录超时');
                    }
    
                    //登录用户id
                    $this->user_id    = $this->user_info['id'];
                }
            }
        }
    }

    /**
     * 获取附件地址
     */
    public function getFileUrl($attactId = 0)
    {
        $url = $this->base_url . get_file_path($attactId);
        return $url;
    }

    /**
     * 产生随机字符串
     * 产生一个指定长度的随机字符串,并返回给用户
     * @access public
     * @param int $len 产生字符串的位数
     * @return string
     */
    function genNumberString($len = 6)
    {
        $chars = array(
            "0", "1", "2", "3", "4", "5", "6", "7", "8", "9"
        );
        $charsLen = count($chars) - 1;
        shuffle($chars);    // 将数组打乱
        $output = "";
        for ($i = 0; $i < $len; $i++) {
            $output .= $chars[mt_rand(0, $charsLen)];
        }
        return $output;
    }

    //非法字符判断
    public function illegalcharacters($str)
    {
        $strarr = array(
            '"',
            '<',
            '>',
            '<>',
            '(',
            ')',
            '()',
            ',',
            ',',
            'script',
            'svg',
            'alert',
            'confirm',
            'prompt',
            'onload',
            'onmouseover',
            'onfocus',
            'onerror',
            'xss',
        );
        if (in_array($str, $strarr)) {
            return true;
        } else {
            return false;
        }
    }

    //计算两个时间之前存在几个小时
    public function hours_min($start_time, $end_time)
    {

        $sec = strtotime($end_time) - strtotime($start_time);
        $sec = round($sec / 60);
        $min = str_pad($sec % 60, 2, 0, STR_PAD_LEFT);
        $hours_min = floor($sec / 60);
        $min != 0 && $hours_min .= ':' . $min;

        return $hours_min;
    }
    
    public function encryptPhone($phone) {
        $maskedPhone = substr_replace($phone, '****', 3, 4);
        return $maskedPhone;
    }

    //更改时间显示
    protected function format_date($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;
            }
        }
    }

    /**
     * 生成用户token信息
     * @param int    uid 用户id
     * @param string secret 盐值信息
     */
    public function getToken($uid, $secret = 'bodybreakthrough'){
        //将签名密钥拼接到签名字符串最后面
        $str = $uid . $secret . time();
        //通过md5算法为签名字符串生成一个md5签名，该签名就是我们要追加的sign参数值
        return md5($str);
    }

    public function get_access_token()
    {
        $appid = 'wxd5a3c4538c00a549';
        $secret = '6f3cd9ac49b8501f1db38e2f5f11bfd6';
        $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $appid . "&secret=" . $secret;
        $result = file_get_contents($url);

        $data = json_decode($result, true);

        if ($data['access_token']) {
            return $data['access_token'];
        } else {
            return $data['errmsg'];
        }
    }

    public function _requestPost($url, $data, $ssl = true)
    {
        //curl完成
        $curl = curl_init();
        //设置curl选项
        curl_setopt($curl, CURLOPT_URL, $url); //URL
        $user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0 FirePHP/0.7.4';
        curl_setopt($curl, CURLOPT_USERAGENT, $user_agent); //user_agent，请求代理信息
        curl_setopt($curl, CURLOPT_AUTOREFERER, true); //referer头，请求来源
        curl_setopt($curl, CURLOPT_TIMEOUT, 30); //设置超时时间
        //SSL相关
        if ($ssl) {
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); //禁用后cURL将终止从服务端进行验证
            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2); //检查服务器SSL证书中是否存在一个公用名(common name)。
        }
        // 处理post相关选项
        curl_setopt($curl, CURLOPT_POST, true); // 是否为POST请求
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data); // 处理请求数据
        // 处理响应结果
        curl_setopt($curl, CURLOPT_HEADER, false); //是否处理响应头
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); //curl_exec()是否返回响应结果
        // 发出请求
        $response = curl_exec($curl);
        if (false === $response) {
            echo '<br>', curl_error($curl), '<br>';
            return false;
        }
        curl_close($curl);
        return $response;
    }

    /**
     * 判断微信图片
     */
    public function judge_wx_pic($id)
    {
        $headimg = AttachmentModel::where('id', $id)->value('path');
        if (!strstr($headimg, 'http')) {
            $headimg = $this->getFileUrl($id);
        }
        return $headimg;
    }

    /**
     * 根据经纬度和半径计算出范围
     * @param string $lat 纬度
     * @param String $lng 经度
     * @param float $radius 半径(单位米)
     * @return Array 范围数组
     */
    public function calcScope($lat, $lng, $radius)
    {
        $radius = $radius * 1000;
        $degree = (24901 * 1609) / 360.0;
        $dpmLat = 1 / $degree;

        $radiusLat = $dpmLat * $radius;
        $minLat = $lat - $radiusLat;    // 最小纬度
        $maxLat = $lat + $radiusLat;    // 最大纬度

        $mpdLng = $degree * cos($lat * (pi() / 180));
        $dpmLng = 1 / $mpdLng;
        $radiusLng = $dpmLng * $radius;
        $minLng = $lng - $radiusLng;   // 最小经度
        $maxLng = $lng + $radiusLng;   // 最大经度

        /** 返回范围数组 */
        $scope = array(
            'minLat'  => $minLat,
            'maxLat'  => $maxLat,
            'minLng'  => $minLng,
            'maxLng'  => $maxLng
        );
        return $scope;
    }

    /**
     * 计算两个经纬度之间的距离
     */
    function distance($lat1, $lon1, $lat2, $lon2)
    {
        $radius = 6378.137;
        $rad = floatval(M_PI / 180.0);

        $lat1 = floatval($lat1) * $rad;
        $lon1 = floatval($lon1) * $rad;
        $lat2 = floatval($lat2) * $rad;
        $lon2 = floatval($lon2) * $rad;

        $theta = $lon2 - $lon1;

        $dist = acos(sin($lat1) * sin($lat2) + cos($lat1) * cos($lat2) * cos($theta));

        if ($dist < 0) {
            $dist += M_PI;
        }
        return $dist = $dist * $radius;
    }
    /**
     *
     * @param  $latitude    纬度
     * @param  $longitude    经度
     * @param  $raidus        半径范围(单位：米)
     * @return multitype:number
     */
    public function getAround($latitude,$longitude,$raidus){
        $PI = 3.14159265;
        $degree = (24901*1609)/360.0;
        $dpmLat = 1/$degree;
        $radiusLat = $dpmLat*$raidus;
        $minLat = $latitude - $radiusLat;
        $maxLat = $latitude + $radiusLat;
        $mpdLng = $degree*cos($latitude * ($PI/180));
        $dpmLng = 1 / $mpdLng;
        $radiusLng = $dpmLng*$raidus;
        $minLng = $longitude - $radiusLng;
        $maxLng = $longitude + $radiusLng;

        return [
            'minLat'=>$minLat,
            'maxLat'=>$maxLat,
            'minLng'=>$minLng,
            'maxLng'=>$maxLng
        ];
    }

    //根据秒数转换时分秒
    function secondsToHMS($seconds) {
        $hours = gmdate("H", $seconds);
        $minutes = gmdate("i", $seconds);
        $seconds = gmdate("s", $seconds);

        $hours = !empty(intval($hours))?$hours.'时':null;
        $minutes = !empty(intval($minutes))?$minutes.'分':null;
        $seconds = !empty(intval($seconds))?$seconds.'秒':null;

        return $hours.$minutes.$seconds;
    }
}