<?php
    error_reporting(E_ALL^E_NOTICE^E_WARNING^E_DEPRECATED);
    // 载入配置文件
    include_once("../config.php");

    class Admin{
        var $config;
        var $database;
        function __construct($config,$database) {
            $this->config = $config;
            $this->database = $database;
            $user1 = $config['user'].md5("imgurl".$config['password']);
            // echo $user1;
            //COOKIES里面的信息
            $user2 = $_COOKIE['user'].$_COOKIE['password'];
            
            //如果两者信息相符，说明已登录
            if($user1 != $user2) {
                echo '权限不足，请先登录！';
                //清理cookie
                setcookie("user", '', time()-3600,"/");
                setcookie("password", '', time()-3600,"/");
                header('Location:login.php');
                exit;
            } 
        }
        //查询图片
        function querypic($type,$page){
            $config = $this->config;
            $database = $this->database;

            //分页计算
            $start = ($page - 1) * 12;
            //$end = $page * 12;

            if(($page == '') || (!isset($page))) {
                $page = 1;
            }
            
            //要查询的条数
            $num = 12;

            //判断类型
            switch ($type) {
                case 'user':
                    // echo 'dsd';
                    $datas = $database->select("imginfo", "*", [
                        "dir" => $config['userdir'],
                        "ORDER" => ["id" => "DESC"],
	                    "LIMIT" => [$start,$num]
                    ]);
                    // var_dump( $database->log() );
                    // exit;
                    return $datas;  
                    break;
                case 'admin':
                    $datas = $database->select("imginfo", "*", [
                        "dir" => $config['admindir'],
                        "ORDER" => ["id" => "DESC"],
                        "LIMIT" => [$start,$num]
                    ]);
                    return $datas;
                    break; 
                case 'dubious':
                    $datas = $database->select("imginfo", "*", [
                        "level" => 3,
                        "ORDER" => ["id" => "DESC"],
                        "LIMIT" => [$start,$num]
                    ]);
                    return $datas;
                    break;
                case 'unidentification':
                 	$datas = $database->select("imginfo", "*", [
                        "level" => null,
                        "ORDER" => ["id" => "DESC"],
                        "LIMIT" => [$start,$num]
                    ]);
                    return $datas;
                    break;
                default:
                    echo 'dsddsd';
                    break;
            }
        }
        //删除一张图片
        function delete($id){
            $config = $this->config;
            $database = $this->database;
            //先查询数据库获取图片路径
            $path = $database->get("imginfo","path",[
                "id"    =>  $id
            ]);
            
            
            //完整的图片路径
            $imgpath = APP.$path;
            //如果图片删除成功，将再次删除数据库
            //删除图片
            unlink($imgpath);
            //删除数据库
            $del = $database->delete("imginfo", [
                "AND" => [
                    "id" => $id
                ]
            ]);
            echo 'ok';
        }
        //统计数据
        function data() {
            //获取当前月份
            $themonth = date('Y-m',time());
            //获取当天时间
            $theday = date('Y-m-d',time());
            
            //统计本月上传图片数量
            $month = $this->database->count("imginfo",[
                "date[~]"  =>  $themonth
            ]);
            
            $day = $this->database->count("imginfo",[
                "date"  =>  $theday
            ]);
            
            //统计可疑图片
            $level = $this->database->count("imginfo",[
                "level"  =>  3
            ]);
            
            //返回数据
            $redata = array(
                "month" =>  $month,
                "day"   =>  $day,
                "level" =>  $level
            );
            return $redata;
        }
        //取消图片可疑状态
        function cdubious($id){
            $database = $this->database;
            $database->update("imginfo",[
                "level"     =>  1
            ],[
                "id"        =>  $id
            ]);
            echo 'ok';
        }
        //对某张图片进行压缩，未开发完成
        function compress($id,$tinypng){
            $database = $this->database;
            $config = $this->config;
            if($tinypng['option'] != true){
                $compress['code'] = 0;
                $compress['msg'] = "未开启图片压缩功能！";
            }
            else{
                $getdata = $database->get("imginfo","*",[
                    "id"    =>  $id
                ]);
                
            }
        }
        //查询SM.MS图片
        //查询图片
        function querysm($page){
            $config = $this->config;
            $database = $this->database;

            //分页计算
            $start = ($page - 1) * 12;
            //$end = $page * 12;

            if(($page == '') || (!isset($page))) {
                $page = 1;
            }
            
            //要查询的条数
            $num = 12;

            //判断类型
            $datas = $database->select("sm", "*", [
                "ORDER" => ["id" => "DESC"],
                "LIMIT" => [$start,$num]
            ]);
            return $datas;
        }
        //删除SM.MS图片
        function deletesm($id){
            $config = $this->config;
            $database = $this->database;
            //先查询数据库
            $query = $database->get("sm","*",[
                "id"    =>  $id
            ]);
            $delete = $database->delete("sm", [
                "AND" => [
                    "id" => $id
                ]
            ]);
            //请求接口删除图片
            $curl = curl_init($query['delete']);

            curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36");
            curl_setopt($curl, CURLOPT_FAILONERROR, true);
            curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
            #设置超时时间，最小为1s（可选）
            curl_setopt($curl , CURLOPT_TIMEOUT, 2);

            $html = curl_exec($curl);
            curl_close($curl);
            echo 'ok';
        }
        //通过URL批量上传图片
        function urlup($arr){
	        $config = $this->config;
	        //$arr参数为一个数组
	        $arr = explode("\n",$arr);
	        //计算URL个数
			$urlnum = count($arr);
	        //不能超过10个
	        if($urlnum > 10){
		        $rejson = array(
		        	"code"		=> 	0,
		        	"msg"		=>	"URL链接不能超过10个！"
		        );
		        echo json_encode($rejson);
		        exit;
	        }
			
	        //遍历URL并下载图片
	        foreach( $arr as $url )
	        {
		        //去掉空格
		        $url = trim($url);
		        //判断是否是URL
		        if(!filter_var($url, FILTER_VALIDATE_URL)){
			        $rejson = array(
			        	"code"		=> 	0,
			        	"msg"		=>	$url."不是有效的地址，程序终止！"
			        );
			        echo json_encode($rejson);
			        exit;
		        }
	        	//获取图片后缀
	        	$suffix = explode(".",$url);
	        	$suffix = end($suffix);
	        	$suffix = strtolower($suffix);

	        	//如果是图片后缀，使用curl进行抓取
	        	if(($suffix == 'jpg') || ($suffix == 'jpeg') || ($suffix == 'png') || ($suffix == 'bmp') || ($suffix == 'gif')) {
		        	
				    $curl = curl_init($url);

				    curl_setopt($curl, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)");
				    curl_setopt($curl, CURLOPT_FAILONERROR, true);
				    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
				    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
				    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
				    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
				    #设置超时时间，最小为1s（可选）
				    curl_setopt($curl , CURLOPT_TIMEOUT, 10);

				    $html = curl_exec($curl);
				    curl_close($curl);
				    
					//判断目录是否存在
					$dir = APP.$config['admindir'].'/'.date('ym',time());
					if(!is_dir($dir)){
						mkdir($dir);
					}
					//生成文件名
					$filenme = $dir.date('Y-m-d H:i:s',time()).$suffix;
					$filenme = substr(md5($url.$filenme), 8, 16).'.'.$suffix;

					$full = $dir.'/'.$filenme;
					//写入文件
					$myfile = fopen($full, "w") or die("Unable to open file!");
					fwrite($myfile, $html);
					fclose($myfile);
					$datas = array(
						"path"		=>	$config['admindir'].'/'.date('ym',time()).'/'.$filenme,
						"dir"		=>	$config['admindir']
					);
					//写入数据库
					$insert = $this->indb($datas);
					
	        	}
	        	else{
		        	$rejson = array(
			        	"code"		=> 	0,
			        	"msg"		=>	"包含无效的图片地址，程序终止！"
			        );
			        echo json_encode($rejson);
		        	exit;
	        	}
	        	
	        }
	        $rejson = array(
	        	"code"		=> 	1,
	        	"msg"		=>	"成功上传".$urlnum."张图片！"
	        );
	        echo json_encode($rejson);
	        exit;
        }

        //图片写入数据库
        function indb($datas){
	        $database = $this->database;
	        $date = date('Y-m-d',time());
	        $insert = $database->insert("imginfo",[
	        	"path"		=>	$datas['path'],
	        	"ip"		=>	"127.0.0.1",
	        	"ua"		=>	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36",
	        	"date"		=>	$date,
	        	"dir"		=>	$datas['dir'],
	        	"compress"	=>	0,
	        	"level"		=>	0
	        ]);
	        return $insert;
        }
    }

    $pic = new Admin($config,$database);
?>