/*
 * 鑷姩骞垮憡-鍩轰簬jquery 20160720
 * 骞垮憡灞曠ず娆″簭鍦ㄥ悗鍙版帶鍒
 * 椤堕儴鎷夊箷骞垮憡鏈夊涓椂锛屼緷娆℃媺骞曞睍绀
 * 椤堕儴鍥哄畾骞垮憡銆佸鑱斿箍鍛婃湁澶氫釜鏃朵粠涓婂埌涓嬪悓鏃跺睍绀
 * 杩斿洖鍊煎涓嬶細
Array
(
    [res] => Array
        (
            [0] => Array
                (
                    [title] => 鎴戞槸瀵硅仈鏂瑰紡
                    [img] => /uploads/image/1808/24/1808241115298f46m.jpg
                    [imgwidth] => 100
                    [imgheight] => 155
                    [top] => 190
                    [url] => http://baidu.com/
                    [adtype] => 5
                    [fontcolor] => 
                    [bgcolor] => 
                )
			[1] => array(......)
        ),
    [duiliantype] => 0
)
 * 鍦╟ss/my.css涓鍔狅細
@media(max-width:767px){
	.ad-lamu, .ad-lamu a{max-height:180px;background-size:cover !important;}
	.ad-duilian{display:none;}
}
*/

var wxyAD_first_child = null, //body绗竴涓瓙鍏冪礌锛岀敤鏉ュ湪鍏跺墠闈緷娆℃坊鍔犻《閮ㄥ浐瀹氬箍鍛婏紝涓斾繚璇佸湪鎷夊箷骞垮憡涓嬫柟
	wxyAD_lamu_status = 0, //褰撳墠鏄惁鏈夋媺骞曞箍鍛婃鍦ㄥ睍绀
	wxyAD_duilian_type = 0; //瀵硅仈鏂瑰紡灞曠ず鏂瑰紡锛?娴姩1鍥哄畾
$(function(){
	//鑾峰彇骞垮憡骞惰繘琛屽睍绀
	$.post('/index.php/myapi/ad', {is_index:jsGet('wxyad.js', 'is_index')}, function(json){
		wxyAD_duilian_type = typeof(json.duiliantype)=='undefined' ? 0 : parseInt(json.duiliantype);
		if(typeof(json.res)!=='undefined')wxyAD_show(json.res);
	}, 'json');
});

/*
 * 妯℃嫙php $_GET鑾峰彇js鍚庣殑鍙傛暟 <script src="http://www.abc.com/jquery.js?ver=1.11.0&wd=abc"></script>
 * jsName涓簀s鏂囦欢鍚嶇О锛屽 jquery.js
 * para涓哄弬鏁板悕
 */
function jsGet(jsName, para){
	if(!jsName)return '';
	jsName='/'+jsName+'?';
	var script = $('script'), arr='';
	for(var i=0; i<script.size(); i++){if(script.eq(i).prop('src').indexOf(jsName)>-1){arr = script.eq(i).prop('src').split(jsName)[1]; break;}}
	if(!arr || typeof(para)=='undefined' || !para)return '';
	arr = arr.split('&');
	para += '=';
	for(i=0; i<arr.length; i++){if(arr[i].indexOf(para)===0) return decodeURIComponent(arr[i].replace(para, ''));}
	return '';
}

function wxyAD_show(wxyAD){
	if(typeof(wxyAD) === 'undefined')return;
	wxyAD_first_child = $('body').children().eq(0);
	for(var i in wxyAD){
			var ad=wxyAD[i];
			switch(parseInt(ad.adtype)){
				case 1: //椤堕儴鎷夊箷骞垮憡
					wxyAD_lamu(ad);
					break;
				case 2: //椤堕儴鍥哄畾骞垮憡
					wxyAD_fixed(ad)
					break;
				case 3: //瀵硅仈涓や晶
				case 4: //瀵硅仈浠呭乏渚
				case 5: //瀵硅仈浠呭彸渚
					wxyAD_duilian(ad);
					break;
			}
	}
}

//鍥哄畾骞垮憡銆佹媺骞昲tml浠ｇ爜
function wxyAD_div(ad){
	return $('<div class="ad-lamu"'
			+ ' style="display:none;position:relative;width:100%;height:'+ad.imgheight+'px;background:'+ (ad.bgcolor ? ad.bgcolor : '') +' url('+ad.img+') center top no-repeat;overflow:hidden;">'
			+ (ad.url ? '<a target="_blank" href="'+ad.url+'" style="display:block;width:100%;height:'+ad.imgheight+'px;"></a>' : '')
			+ '<em style="display:block;position:absolute;top:10px;right:15px;font:14px/1 Microsoft Yahei;cursor:pointer;">[鍏抽棴]</em>'
			+ '</div>');
}

//鎷夊箷骞垮憡
function wxyAD_lamu(ad, flag){
	if(wxyAD_lamu_status==1){
		if(typeof(flag)=='undefined')$('<img src="'+ad.img+'">');
		setTimeout(function(){wxyAD_lamu(ad, 1)}, 500);
		return;
	}
	wxyAD_lamu_status=1;
	$('<img src="'+ad.img+'">').load(function(){
		var obj=$(this).get(0);
		var div=wxyAD_div(ad);
		div.prependTo('body');
		div=div.filter('div');
		div.slideDown(500, function(){setTimeout(function(){div.slideUp(500, function(){$(this).remove();wxyAD_lamu_status=0;})}, 1e4)});
		div.find('em').click(function(){div.slideUp(500, function(){$(this).remove();wxyAD_lamu_status=0;})});
	});
}

//椤堕儴鍥哄畾骞垮憡
function wxyAD_fixed(ad){
	var div = wxyAD_div(ad);
	div.insertBefore(wxyAD_first_child).slideDown(300);
	div.find('em').click(function(){div.slideUp(500, function(){$(this).remove();})});
}

//瀵硅仈骞垮憡
function wxyAD_duilian(ad){
	if(ad.adtype==3){//涓や晶瀵硅仈骞垮憡宸﹀彸鍒嗗埆娣诲姞
		ad.adtype=4; wxyAD_duilian(ad);
		ad.adtype=5; wxyAD_duilian(ad);
		return;
	}
	var adtype = ad.adtype==4 ? 'left' : 'right',
		div = $('.js-wxy-ad-'+adtype),
		top = ad.top>0 ? ad.top : (div.size() ? div.last().position().top+div.last().height()+10 : 70); //绗竴鏉″鑱斿箍鍛婇粯璁よ窛椤堕儴璺濈涓?0鍍忕礌
	div = $('<div class="ad-duilian js-wxy-ad-'+adtype+'"'
		+ ' style="position:'+(wxyAD_duilian_type ? 'absolute' : 'fixed')+';z-index:999;top:'+ top +'px;'+ adtype +':10px;width:'+ ad.imgwidth +'px;height:'+ ad.imgheight +'px;">'
		+ (ad.url ? '<a target="_blank" href="'+ ad.url +'"><img src="'+ ad.img +'"></a>' : '<img src="'+ ad.img +'">')
		+ '<em style="display:block;position:absolute;top:5px;right:3px;border:1px solid #333;width:16px;height:16px;text-align:center;font:14px/1 Verdana;color:#333;cursor:pointer;overflow:hidden;">X</em>'
		+ '</div>');
	div.appendTo($('body'));
	div.find('em').click(function(){div.remove()});
}