/**
 * 前台广告插件(不依赖jquery)
 * by Bob Wang
 */
(function(){
    /**
     * 插件的封装
     */
    this.error=function(str){
        console.log(str);return;
    }
    this.setCookie=function(name,value,day){
        //设置cookie,day为过期时间按天计算
        var date=new Date();
        date.setTime(date.getTime()+day*86400000);
        document.cookie=name+"="+value+";expires="+date.toGMTString();
    };
    this.getCookie=function(name){
        //取得cookie
        if(document.cookie.indexOf(name)<0){
            return false;
        }
        return document.cookie.split(name)[1].split(";")[0].split("=")[1];
    };
    this.deleteCookie=function(name){
        //删除cookie
        var date=new Date();
        date.setTime(date.getTime());
        document.cookie=name+"="+getCookie("name")+";expires="+date.toGMTString();
    };
    this.closeAdv=function(className){
        //关闭广告
        var ele=document.getElementsByClassName(className);
        for(var i=ele.length-1;i>=0;i--){
            ele[i].parentNode.removeChild(ele[i]);
        }
        if(document.body.style.overflow=='hidden'){
            document.body.style.overflow='auto';
        }
    };
    this.xmlHttp=null;//ajax句柄
    this.ajax=function(url,method){
        //发起ajax请求
        try
        {
            // 火狐, 欧朋, Safari
            xmlHttp=new XMLHttpRequest();
        }
        catch (e)
        {
            // 新IE
            try
            {
                xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
            }
            catch (e)
            {
                //老IE
                xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
            }
        }
        if(xmlHttp==null){
            error("Error:找不到xmlHttp句柄");
        }
        //数据返回后的操作
        xmlHttp.onreadystatechange=method;
        xmlHttp.open("GET",url,true);
        xmlHttp.send(null);
    };
    /**
     * 业务逻辑开始
     */
    //取得url
    var src=document.scripts[document.scripts.length - 1].src;
    if(src.indexOf("?app=")<0){
        error("Error:js文件没有传入应用名称，例如adv.js?app=en");
    }
    src=src.substr(src.indexOf("?app=")+5,src.length-src.indexOf("?app=")-5);
    var url="/"+src+"/Adv/getAdv/sid/"+Math.random();
    //中部，左侧，右侧广告的动作
    this.action=[
        function(data){
            //中部
            document.body.style.overflow="hidden";
            var page="<div class='yongsymiddleadv' style='z-index:9999998;position:fixed;top:0px;left:0px;width:100%;height:100%;background:#000;opacity:0.5'>";
            page+="</div>";
            page+="<div class='yongsymiddleadv' style='z-index:9999999;position:fixed;top:0px;left:0px;width:100%;height:100%;margin:0;'>";
            page+="<div class='gx_zbgg' style='position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)'><span onselectstart='return false;' style='background: #272323;font-size: 30px;color: #fff;border: 0px;border-radius: 32px;padding: 5px 18px 10px 18px;position:absolute;right:0;cursor:pointer;' onClick=\"closeAdv('yongsymiddleadv')\">x</span><a href='"+data.adv_url+"' target='_blank'><img src='"+data.adv_img+"' /></a></div>";
            page+="</div>";
            $("body").append(page);
            //document.body.innerHTML+=page;
            if(data.auto_close_time!=""){
                setTimeout(
                    function (){
                        closeAdv('yongsymiddleadv');
                    },
                    1000*data.auto_close_time
                )
            }
            if(data.if_cookie==1){
                //设置cookie
                setCookie('yongsyadv0',1,data.cookie_time);
            }
        },
        function(data){
            //左侧
            var page="<div class='yongsyleftadv' style='z-index:9999999;position:fixed;left:5px;top:50%;transform:translate(0,-50%);'>";
            page+="<span onselectstart='return false;' style='background: #272323;font-size: 16px;color: #fff;border: 0px;padding: 2px 15px 5px 15px;position:absolute;right:0;cursor:pointer;' onClick=\"closeAdv('yongsyleftadv')\">x</span><a href='"+data.adv_url+"' target='_blank'><img src='"+data.adv_img+"' /></a>";
            page+="</div>";
            $("body").append(page);
            //document.body.innerHTML+=page;
            if(data.auto_close_time!=""){
                setTimeout(
                    function (){
                        closeAdv('yongsyleftadv');
                    },
                    1000*data.auto_close_time
                )
            }
            if(data.if_cookie==1){
                //设置cookie
                setCookie('yongsyadv1',1,data.cookie_time);
            }
        },
        function(data){
            //右侧
            var page="<div class='yongsyrightadv' style='z-index:9999999;position:fixed;right:6px;bottom:6px;transform:translate(0,0%);'>";
            page+="<span onselectstart='return false;' style='background: #272323;font-size: 16px;color: #fff;border: 0px;padding: 2px 15px 5px 15px;position:absolute;right:0;cursor:pointer;' onClick=\"closeAdv('yongsyrightadv')\">x</span><a href='"+data.adv_url+"' target='_blank'><img src='"+data.adv_img+"' /></a>";
            page+="</div>";
            //document.body.innerHTML+=page;
            $("body").append(page);
            if(data.auto_close_time!=""){
                setTimeout(
                    function (){
                        closeAdv('yongsyrightadv');
                    },
                    1000*data.auto_close_time
                )
            }
            if(data.if_cookie==1){
                //设置cookie
                setCookie('yongsyadv2',1,data.cookie_time);
            }
        }
    ];
    ajax(
        url,
        function(){
            if (xmlHttp.readyState==4||xmlHttp.readyState=="complete")
            {
                try{
                    var data=JSON.parse(xmlHttp.responseText);
                }catch(e){
                    error("Error:网络错误，接口返回了错误的值，它不是一个对象");
                }
                //循环处理不同广告
                for(var i in data){
                    if(data[i].status==1){
                        //广告开启
                        if(data[i].activity==1){
                            //做活动
                            if(data[i].in_time==1){
                                //在活动时间范围内
                                if(data[i].if_cookie==1){
                                    //只在第一次打开显示
                                    if(!getCookie('yongsyadv'+i)){
                                        //执行
                                        action[i](data[i]);
                                    }
                                }else{
                                    //执行
                                    action[i](data[i]);
                                }
                            }
                        }else{
                            if(data[i].if_cookie==1){
                                //只在第一次打开显示
                                if(!getCookie('yongsyadv'+i)){
                                    //执行
                                    action[i](data[i]);
                                }
                            }else{
                                //执行
                                action[i](data[i]);
                            }
                        }
                    }
                }
            }
        }
    );
})();
/**
 *接口示例（id，1,2,3分别为中部，左侧，右侧广告）
 * [
 {
     "id": "1",//广告id
     "adv_img": "/Public/Uploads/uploadfile/images/20170614/20170614151724_5940e3046c984.png",//广告图片
     "adv_url": "http://www.yongsy.net",//广告链接
     "status": "1",//广告是否开启
     "activity": "1",//广告是否定时显示
     "activity_time": [
         1484582400,
         1528905600
     ],
     "auto_close_time": "3",//广告自动关闭时间，不填就不自动关闭
     "if_cookie": "1",//是否启用cookie，即一定时间内广告只能打开一次
     "cookie_time": "1",//cookie过期时间，以小时为单位
     "name": "中部广告",//广告名
     "in_time": 1//是否在广告定时显示时间段内
 },
 {
     "id": "2",
     "adv_img": "/Public/Uploads/uploadfile/images/20170614/20170614152554_5940e502bcdcb.png",
     "adv_url": "http://www.yongsy.net",
     "status": "1",
     "activity": "1",
     "activity_time": [
         1483977600,
         1516118400
     ],
     "auto_close_time": "3",
     "if_cookie": "1",
     "cookie_time": "1",
     "name": "左侧广告",
     "in_time": 1
 },
 {
     "id": "3",
     "adv_img": "/Public/Uploads/uploadfile/images/20170614/20170614152609_5940e51161d82.png",
     "adv_url": "http://www.yongsy.net",
     "status": "1",
     "activity": "1",
     "activity_time": [
         1484582400,
         1516118400
     ],
     "auto_close_time": "3",
     "if_cookie": "1",
     "cookie_time": "1",
     "name": "右侧广告",
     "in_time": 1
 }
 ]
 */