<?php

use think\response\Json;
use app\common\model\Slide;
use app\common\model\ShopConfig;
use tools\Crypt;
if(!function_exists('success')){
    /**
     * 操作成功
     * @param string $msg
     * @param string $data
     * @param int $code
     * @return Json
     */
    function success($data = '', $msg = 'success', $code = 200)
    {
        return result($msg, $data, $code);
    }
}

if(!function_exists('error')){
    /**
     * 操作失败
     * @param string $msg
     * @param string $data
     * @param int $code
     * @return Json
     */
    function error($msg = 'fail', $data = '', $code = 500)
    {
        return result($msg, $data, $code);
    }
}

if(!function_exists('result')){
    /**
     * 返回json结果
     * @param string $msg
     * @param string $data
     * @param int $code
     * @return Json
     */
    function result($msg = 'fail', $data = '', $code = 500)
    {
        $header = [];
        //处理跨域请求问题
        if (config('api.cross_domain.allow')) {
            $header = ['Access-Control-Allow-Origin' => '*'];
            if (request()->isOptions()) {
                $header = config('api.cross_domain.header');
                return json('',200,$header);
            }
        }

        return json([
            'code' => $code,
            'msg'  => $msg,
            'data' => $data,
        ], $code, $header);
    }
}

if(!function_exists('unauthorized')){
    /**
     * 未授权
     * @param string $msg
     * @param string $data
     * @param int $code
     * @return Json
     */
    function unauthorized($msg = 'unauthorized', $data = '', $code = 401)
    {
        return result($msg, $data, $code);
    }
}

if(!function_exists('client_error')){
    /**
     * 客户端错误
     * @param string $msg
     * @param string $data
     * @param int $code
     * @return Json
     */
    function client_error($msg = 'client error', $data = '', $code = 400)
    {
        return result($msg, $data, $code);
    }
}

if(!function_exists('server_error')){
    /**
     * 服务端错误
     * @param string $msg
     * @param string $data
     * @param int $code
     * @return Json
     */
    function server_error($msg = 'server error', $data = '', $code = 500)
    {
        return result($msg, $data, $code);
    }
}

if(!function_exists('error_404')){
    /**
     * 资源或接口不存在
     * @param string $msg
     * @param string $data
     * @param int $code
     * @return Json
     */
    function error_404($msg = '404 not found', $data = '', $code = 404)
    {
        return result($msg, $data, $code);
    }
}

if (!function_exists('get_ad')) {
    /**
     * 广告列表
     * @param string $alias  广告别名
     * @param string $num。显示数量
     * @return li
     */
    function get_ad($alias, $num = '999')
    {
        $_malladviceModel = new Slide();
        $where = 'alias="'.$alias.'"';
        $malladvice_list = $_malladviceModel->where($where)->limit($num)->order('sort_number desc')->select();
        $ad = array();
        $web_url = ShopConfig::get('website', 'img_url');
        foreach ($malladvice_list as $key => $row) {
            $ad[$key]['id'] = $row['id'];
            if($row['jump_type']==1){
                $ad[$key]['unionid'] = Crypt::encrypt($row['jump_target']);
            }else{
                $ad[$key]['url'] = $row['jump_target'];
            }
            $ad[$key]['type'] = $row['jump_type'];
            $ad[$key]['name'] = $row['name'];
            $ad[$key]['describe'] = $row['describe'];
            $ad[$key]['img'] = $web_url . $row['img'];
        }
        return $ad;
    }
}

if(!function_exists('curl_request')){
    //参数1：访问的URL，参数2：post数据(不填则为GET)，参数3：提交的$cookies,参数4：是否返回$cookies
    function curl_request($url,$post='',$cookie='', $returnCookie=0)
    {
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)');
        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
        curl_setopt($curl, CURLOPT_AUTOREFERER, 1);
        curl_setopt($curl, CURLOPT_REFERER, "http://XXX");
        if($post) {
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($post));
        }
        if($cookie) {
            curl_setopt($curl, CURLOPT_COOKIE, $cookie);
        }
        curl_setopt($curl, CURLOPT_HEADER, $returnCookie);
        curl_setopt($curl, CURLOPT_TIMEOUT, 10);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        $data = curl_exec($curl);
        if (curl_errno($curl)) {
            return curl_error($curl);
        }
        curl_close($curl);
        if($returnCookie){
            list($header, $body) = explode("\r\n\r\n", $data, 2);
            preg_match_all("/Set\-Cookie:([^;]*);/", $header, $matches);
            $info['cookie']  = substr($matches[1][0], 1);
            $info['content'] = $body;
            return $info;
        }else{
            return $data;
        }
    }
}

//分类递归
if(!function_exists('getSubs')){
    function getSubs($categorys,$catId=0,$level=1){ 
      $subs=array(); 
      foreach($categorys as $item){ 
        if($item['parent_id']==$catId){ 
            $item['son'] = getSubs($categorys, $item['cid']);
            if(empty($item['son'])) {
                unset($item['son']);
            }
            array_push($subs, $item);
        }   
      } 
      return $subs; 
    } 
}

/**
 * 获取图片的Base64编码(不支持url)
 * @param $img_file 传入本地图片地址
 * @return string
 */
function imgToBase64($img_file) {
    $img_base64 = '';
    if (file_exists($img_file)) {
        $app_img_file = $img_file; // 图片路径
        $img_info = getimagesize($app_img_file); // 取得图片的大小，类型等
        //echo '<pre>' . print_r($img_info, true) . '</pre><br>';
        $fp = fopen($app_img_file, "r"); // 图片是否可读权限
        if ($fp) {
            $filesize = filesize($app_img_file);
            $content = fread($fp, $filesize);
            $file_content = chunk_split(base64_encode($content)); // base64编码
            switch ($img_info[2]) {           //判读图片类型
                case 1: $img_type = "gif";
                    break;
                case 2: $img_type = "jpg";
                    break;
                case 3: $img_type = "png";
                    break;
            }
            $img_base64 = 'data:image/' . $img_type . ';base64,' . $file_content;//合成图片的base64编码
        }
        fclose($fp);
    }
    return $img_base64; //返回图片的base64
}