//删除左边的空格
function ltrim(str){ 
    return str.replace(/(^\s*)/g,"");
}
//补零函数
function check(num){ 
    var number = num < 10 ? "0" + num : num;
    return number;
}
//获取日期
function cTimeDate(now){
    var now = now * 1000;
    var newTime = new Date(now);
    var month = newTime.getMonth()+1;
    var date = newTime.getDate();
    var html = month+"月"+date+"日";
    return html;
}
//获取时间
function cTime(now){ 
    var now = now * 1000;
    var newTime = new Date(now);
    var hours = newTime.getHours();
    var minutes = newTime.getMinutes();
    var html = check(hours)+":"+check(minutes);
    return html;
}
//多张图片时，获取第一张图片
function getPicPath(pic){
    var picPath = pic?pic.split("\n")[0]:"";
    return  picPath;
}
//获取新闻链接 这样提取 为了规避发布后台/683/2013/0307/edit.js被解析的问题
function getnewsUrl(url)
{
    var newsurl=url;
    return  newsurl;
}
//显示新闻
function showNews( data ) {
    var data=data.data;
    var html = '';
    var _id = '';
    var _code = '';
    var _class = '';
    //得到个数

    if(data.length==0){
        $( "#articleList" ).hide();
    }
    else
    {
        var title_bread = $('.label_name').eq(1).html();;
        for(var i in data){
//console.log(data[i]);
            var _date = data[i].createtime;
            var _time = _date.split(/\s+/);

            _id = data[i].zw_id;
            _id = _id == 0 ? data[i].HDid : _id;
            var high = new RegExp("http:\/\/photo/"); 
            var video = new RegExp("video"); 
            var um = new RegExp("http:\/\/um\.auto"); 
            var _pic = new RegExp("2014\/0331\/20140331093614\.jpg"); 

            if (high.test(data[i].url)) {
                _code = 'highpix_'+ _id;
            } else if (video.test(data[i].url)) {
                _code = 'video_'+ _id;
            } else if (um.test(data[i].url)) {
                _code = 'um_'+ _id;
            } else {
                _code = 'news_'+ _id;
            }

            var label = data[i]['label_name'] != '' && data[i]['label_name'] != title_bread ? '<span class="car_lable">标签：<a href="http://news.auto.sina.com.cn/biaoqian/'+ data[i]['label_pinyin'] +'/" target="_blank">'+ data[i]['label_name'] +'</a></span>' : '';
            //(一)文字
            if(_pic.test(data[i].pic)){
                //console.log("no-picture");

            }else{//(二)图文
                 //console.log("has-picture");
                var _title = data[i].shorttitle ==''? data[i].title : data[i].shorttitle;
                 html +=
 	'<li class="clearfix"><a class="fL img_c" title=" ' + _title +
 	'" target="_blank" href="' + getnewsUrl(data[i].url) +
 	'"><img height="158" alt="' + _title +
 	'" src="' + getPicPath(data[i].pic) +
 	'"></a><h5><a title="' + _title +
 	'" target="_blank" href="' + getnewsUrl(data[i].url) +
 	'">' + _title +
 	'</a></h5><p class="car_desc">' + ltrim(data[i].abstract) +
 	'</p><div data-pic="' + getPicPath(data[i].pic) +
 	'" data-title="' + _title +
 	'" data-url="' + getnewsUrl(data[i].url) +
 	'" data-id="' + _code +
 	'" data-summary="' + ltrim(data[i].abstract) +
 	'" class="J_dataInfo data_c clearfix"><div class="fL"><span class="data_date">' + _date +
 	'</span></div><div class="mlike fR clearfix"><a href="javascript:void(0);" class="i fL">喜欢</a><span class="sum">5</span></div><div class="mcomment fR clearfix"><a href="' + data[i].pinglun_url +
 	'" class="i fL">评论</a><span class="sum">0</span></div><div class="mshare fR clearfix"><a href="javascript:void(0);" class="i fL">分享</a><span class="sum">2</span><div class="bshares"></div></div></div></li>';
            }
            $( "#articleList" ).html(html);
        }
    }
}
//报错信息
function getdataerror(){
    $( "#articleList").html("<p>获取数据失败</p>");
}   
//添加内容
function init_html(page){
    var cur_dataurl="http://news.auto.sina.com.cn/m/label/get_label_info.php?label="+ encodeURIComponent(window.lmName) +"&length=" + prPageNum + "&page=" + page;

//console.log("value1:",cur_dataurl);
    $.ajax({
        dataType: "jsonp",
        url: cur_dataurl,
        success: showNews,
        error: getdataerror
    });
}

//判断是否有手动添加数据

//function if_shoudong(){
//  var shoudong = encodeURIComponent(window.shoudong);
//  console.log("-shoudong");
//  if(shoudong){
//	console.log("has-shoudong");
//	console.log(shoudong);
//  }
//}

init_html(1);
//if_shoudong();
//ajax
var initNEWSpage;
var cur_dataurl = "http://news.auto.sina.com.cn/m/label/get_label_info.php?label=" + encodeURIComponent(window.lmName) + "&callback=?&length="+ prPageNum;
$.ajax({
    dataType: "jsonp",
    url: cur_dataurl,
    success: function(data) {
        $(".pub .num").html(data.total); 
        initNEWSpage = $.navCount($("#pageLabels"), "pageLabel", "");
        initNEWSpage.setTotal(data.total); 
        var curpage = 1;
        var index = location.href.indexOf("?newspage="),
        base;
        if (index >= 0) {
            curpage = location.href.split("?newspage=")[1];
        } else {
            curpage = 1;
        }
        initNEWSpage.setCurrent(curpage);
    },
    error: getdataerror
});

//分页算法
jQuery.extend({
    navCount: function(ul, className, pagename) {
        this.el = ul;  
        this.itemClass = className; 
        this.total = 1;
        this.prePageNUM = prPageNum; 
        this.currentPage = 1;
        this.pname = pagename; 
        this.setTotal = function(count) {
            count = Number(count);
            this.toggleNav(count); 
            count = Math.ceil(count / this.prePageNUM); 
            this.total = count;
            $.each(this.el.children(".pageNum" + this.pname), function(index, item) {
                $(item).text(index + 1)
            });
            this.el.children("a.total" + this.pname).text(count); 
            this.el.children(".pageLabel" + this.pname).show();
            if (count <= 6) {

                this.el.children(".pageNum" + this.pname + ":gt(" + (count - 1).toString() + ")").hide();
            } else if (count == 7) {
                this.el.children(".text" + this.pname).hide();
            }
        };

        this.setCurrent = function(index) {
            this.currentPage = index;
            var t = this.total;
            this.el.children(".pageLabel").removeClass("current");

            if (index <= 5) {
                this.el.children(".text:first").hide();
                if (t <= 6) {
                    this.el.children(".text:last").hide();
                }
                $(this.el.children(".pageNum")[index - 1]).addClass("current");
                $.each(this.el.children(".pageNum:not(.first,.total)"), function(i, item) {
                    $(item).text(2 + i);
                });
            } else if (index >= 6 && index <= t - 4) {
                this.el.children(".text:first").show();
                this.el.children(".text:last").show();
                $(this.el.children(".pageNum")[3]).addClass("current");
                $.each(this.el.children(".pageNum:not(.first,.total)"), function(i, item) {
                    $(item).text(index - 2 + i);
                });

            } else {
                this.el.children(".text:last").hide();
                $.each(this.el.children(".pageNum:not(.first,.total)"), function(i, item) {
                    $(item).text(t - 5 + i);
                });
                if (index == t) {
                    if (index == 6) {
                        $.each(this.el.children(".pageNum:not(.first,.total)"), function(i, item) {
                            $(item).text(t - 4 + i);
                        });
                        this.el.children(".pageNum:not(.total):last").addClass("current");
                    } else {
                        this.el.children(".pageNum:last").addClass("current");
                    }
                } else {
                    $(this.el.children(".pageNum:not(.first,.total)")[5 - t + Number(index)]).addClass("current");
                }
            }
        };
        this.toggleNav = function(t) {
            if (t) {
                this.el.show();
            } else {
                this.el.hide();
            }
        };
        this._init = function() {
            var nav = this;
            $(".pageNum").on("click", function(e) {
                var index = location.href.indexOf("?newspage="),
                base;
                if (index >= 0) {
                    base = location.href.substr(0, index - 1);
                } else {
                    base = location.href;
                }
                document.location.hash = "?newspage=" + $(this).text();
                init_html($(this).text());
                nav.setCurrent($(this).text());
                window.scrollTo('#articleList',800);
            });
            $(".prev").on("click", function(e) {
                if (nav.currentPage > 1) {
                    var index = location.href.indexOf("?newspage="),
                    base;
                    if (index >= 0) {
                        base = location.href.substr(0, index - 1);
                    } else {
                        base = location.href;
                    }
                    document.location.hash = "?newspage=" + (nav.currentPage - 1).toString();
                    init_html(nav.currentPage - 1);
                    nav.setCurrent(nav.currentPage - 1);
                    window.scrollTo('#articleList',800);
                }
            });
            $(".next").on("click", function(e) {
                if (nav.currentPage < nav.total) {
                    var index = location.href.indexOf("?newspage="),
                    base;
                    if (index >= 0) {
                        base = location.href.substr(0, index - 1);
                    } else {
                        base = location.href;
                    }
                    document.location.hash = "?newspage=" + (Number(nav.currentPage) + 1).toString();
                    init_html(Number(nav.currentPage) + 1);
                    nav.setCurrent(Number(nav.currentPage) + 1);
                    //window.scrollTo(0,0);articleList
                    window.scrollTo('#articleList',800);
                }
            });
            return this;
        }

        return this._init();
    }

});