;(function($){

	$.extend({

		isarray: function(v) {

			return object.prototype.tostring.call(v) === '[object array]';

		},

		isobject: function(v) {

			return object.prototype.tostring.call(v) === '[object object]';

		}

	});


	var sliderevent = function(val) {

		this.$ele = $(val);

		this.param = this.$ele.data('lzslider-param');

		this.status = this.$ele.data('lzslider-status');

		this.imgbox = this.$ele.data('lzslider-imgbox');

		this.img = this.$ele.data('lzslider-img');

	}

	sliderevent.prototype.setevent = function() {

		var event = this,

		param = this.param;

		if ($.isarray(param.event)) {

			$.each(param.event,function(index, val) {

				event[val] && event[val]();

			});

		} else {

			event[param.event] && event[param.event]();

		}
	}

	sliderevent.prototype.wheel = function(){

		var me = this.$ele,

		status = this.status,

		param = this.param;

		me.off('mousewheel.lzslider dommousescroll.lzslider').on('mousewheel.lzslider dommousescroll.lzslider',function(e){

			if(status.flag && status.mouseh){

				e.preventdefault();

				var delta = (e.originalevent.wheeldelta && (e.originalevent.wheeldelta > 0 ? 1 : -1)) || // chrome & ie
           			 (e.originalevent.detail && (e.originalevent.detail > 0 ? -1 : 1)); // firefox 

           		if(delta>0) status.cpoint-=param.num;
           		if(delta<0) status.cpoint+=param.num;

           		me.sliderexcute();

			}

		})

	}

	sliderevent.prototype.keyboard = function(){

		var me = this.$ele,

		status = this.status,

		param = this.param;

		$(window).on('keydown',function(e){

			if(status.flag && status.mouseh){

				e.preventdefault();

				if(e.keycode == 37 || e.keycode ==38) status.cpoint-=param.num;

				if(e.keycode ==39 || e.keycode==40) status.cpoint+=param.num;

				me.sliderexcute();

			}

		})

	}

	sliderevent.prototype.btn = function() {

		var me = this.$ele,

		param = this.param,

		status = this.status,

		imgbox = this.imgbox,

		img = this.img,

		imglen = status.imglen,

		btnw = 0,

		boxlen = (param.dir=='left' || param.dir=='right')?status.imgw:status.imgh;

		var pointbox = $("<ul class='" + param.btncls[0] + "'></ul>");

		me.append(pointbox.get(0));

		pointinbox = $("<li class='" + param.btncls[1] + "'></li>");

		pointbox.append(pointinbox.get(0));

		point = "<div class='" + param.btncls[2] + "'></div>";

		for (i = 0; i<status.lastlen; pointinbox.append(point), i++);
			
		btnw = pointbox.find('div').eq(0).outerwidth(true) * imglen;

		pointinbox.css('width', btnw).find('div').eq(0).addclass(param.btncls[3]);

		pointbox.find('div').off('.lzslider').on('click.lzslider',function(event) {

			if (status.flag) {

				if (status.cpoint != $(this).index()) {

					status.cpoint = $(this).index();

					me.sliderexcute();
				}
			}
		});
	}

	sliderevent.prototype.arrow = function() {

		var me = this.$ele,

		param = this.param,

		status = this.status,

		imglen = status.imglen;

		var arrowbox = $("<ul class='" + param.arrowcls[0] + "'></ul>");

		me.append(arrowbox.get(0));

		if (param.arrowstyle) {

			arrowp = "<li class='" + param.arrowcls[1] + "'>&lt;</li><li class='" + param.arrowcls[2] + "'>&gt;</li>";

		} else {

			arrowp = "<li class='" + param.arrowcls[1] + "'></li><li class='" + param.arrowcls[2] + "'></li>";

		}

		arrowbox.append(arrowp);

		arrowbox.find('li').eq(0).off('.lzslider').on('click.lzslider',function(e) {

			if (status.flag) {
				
				status.cpoint-=param.num;

				me.sliderexcute();
			}
		});

		arrowbox.find('li').eq(1).off('.lzslider').on('click.lzslider',function(e) {
			
			if (status.flag) {
				
				status.cpoint+=param.num;
				
				me.sliderexcute();
			}
		});
	} 

	sliderevent.prototype.touch = function(){

		var startpoint={},endpoint={},

		me = this.$ele,

		param = this.param,

		status = this.status,

		imglen = status.imglen;

		me.on('touchstart', function(e) {

			e.preventdefault();

			e.stoppropagation();

			var touchstart = e.originalevent.touches[0];
			
			startpoint.x = math.floor(touchstart.clientx);

			startpoint.y = math.floor(touchstart.clienty);

			timer = settimeout(function(){

				startpoint = {};

				endpoint = {};

			},1000)

		});

		me.on('touchmove', function(e) {

			e.preventdefault();

			e.stoppropagation();

			var touchend = e.originalevent.touches[0];

			endpoint.x = math.floor(touchend.clientx);

			endpoint.y = math.floor(touchend.clienty);

		});

		me.on('touchend', function(e) {
			
			e.preventdefault();

			e.stoppropagation();

			var dir = param.dir;

			if((dir ==='left' || dir==='right') && status.flag && startpoint.x){

				(startpoint.x-endpoint.x<-30) && (status.cpoint -=param.num);

				(startpoint.x-endpoint.x>30) && (status.cpoint +=param.num);

				me.sliderexcute();

			}else if((dir==='up' || dir ==='down') && status.flag && startpoint.y){

				startpoint.y-endpoint.y<-30 && (status.cpoint -=param.num);

				startpoint.y-endpoint.y>30 && (status.cpoint +=param.num);

				me.sliderexcute();

			}

			startpoint = {};

			endpoint = {};
		});

	}

	var slidermethods = function(val){

		this.$ele = $(val);

		this.status = this.$ele.data('lzslider-status');

		this.param = this.$ele.data('lzslider-param');

		this.imgbox = this.$ele.data('lzslider-imgbox');

		this.img = this.$ele.data('lzslider-img');

	}

	slidermethods.prototype.calboxlen = function(){

		var me = this.$ele,

		param = this.param,

		status = this.status,

		img = this.img,

		temp = 0,

		k = 0;

		status.arrlen = [0];

		if(param.dir =='left' || param.dir =='right')

			$.each(img,function(index,val){

				temp+=$(val).outerwidth(true);

				status.arrlen.push(temp);

			});

		else

			$.each(img,function(index,val){

				temp+=$(val).outerheight(true);

				status.arrlen.push(temp);

			});

		status.boxlen = (param.dir=='left' || param.dir=='right') ? parsefloat(me.css('width')) : parsefloat(me.css('height'));

		while(status.arrlen[k++]<=temp-status.boxlen) status.lastlen = k;

		return temp;

	}

	slidermethods.prototype.autoplay = function(){

		var me = this.$ele,

		status = this.status,

		param = this.param;

		if(status.flag){

			(param.dir =='left' || param.dir=='up')? (status.cpoint+=param.num) : (status.cpoint-=param.num);

			me.sliderexcute();

		}

	}

	slidermethods.prototype.indexchange = function(){

		var status = this.status,

		param = this.param,

		imglen = status.lastlen;

		(!param.cycle && status.cpoint>imglen - 1) && (status.cpoint = imglen - 1);

		(!param.cycle && status.cpoint<0) && (status.cpoint=0);

		(param.cycle && status.sponit!=imglen - 1 && status.cpoint>imglen - 1) && (status.cpoint = imglen - 1);

		(param.cycle && status.sponit==imglen - 1 && status.cpoint>imglen - 1) && (status.cpoint = 0);

		(param.cycle && status.sponit!=0 && status.cpoint<0) && (status.cpoint=0);

		(param.cycle && status.sponit==0 && status.cpoint<0) && (status.cpoint=imglen - 1);

	}

	slidermethods.prototype.calmovelen = function(){

		var status = this.status;

		return status.arrlen[status.cpoint];

	}

	slidermethods.prototype.excute = function(){

		var status = this.status,

			param = this.param,

			imgbox = this.imgbox,

			len = this.calmovelen(),

			pointbox = this.$ele.find('.'+param.btncls[0]).find('div');

			if(pointbox) pointbox.removeclass(param.btncls[3]).eq(status.cpoint).addclass(param.btncls[3]);
			(param.dir == 'left' || param.dir == 'right') && imgbox.stop().animate({'marginleft':-len},param.speed);

			(param.dir == 'up' || param.dir == 'down') && imgbox.stop().animate({'margintop':-len},param.speed);

			status.sponit = status.cpoint;
	}

	slidermethods.prototype.onprogress = function(){

		var progress = this,

		status = this.status,

		param = this.param;

		progress.indexchange();

		progress.excute();

		if(status.cpoint == status.lastlen - 1 && param._onlast) param._onlast.call(this,param,status);

		param._onswitch && param._onswitch.call(this,param,status);

		status.flag = false;

		settimeout(function(){

			status.flag = true;

		},param.speed);

	}

	var sliderinit = function(val,a,b,c,d){

		this.$ele = $(val);

		this.$ele.data('lzslider-param',this.initparam(a,b,c,d));

		this.$ele.data('lzslider-imgbox',this.$ele.children().first());

		this.$ele.data('lzslider-img',this.$ele.data('lzslider-imgbox').children());

		this.$ele.data('lzslider-status',{
			flag:true,
			mouseh:false,
			sponit:0,
			cpoint:0,
			arrlen:[],
			boxlen:0,
			imglen:this.$ele.data('lzslider-img').length,
			lastlen:0,
			timer:null
		})

	}

	sliderinit.prototype.layout = function(){

		var me = this.$ele,

		status = me.data('lzslider-status'),

		param = me.data('lzslider-param'),

		imgbox = me.data('lzslider-imgbox');

		len = me.get(0).sliderexcute.calboxlen();

		me.css('position')=='static' && me.css('position','relative');

		(param.dir=='left' || param.dir =='right')? imgbox.css('width',len):imgbox.css('height',len);

	}

	sliderinit.prototype.initevent = function(){

		var me = this.$ele,

		self = me.get(0),

		status = me.data('lzslider-status'),

		param = me.data('lzslider-param'),

		imgbox = me.data('lzslider-imgbox'),

		event = new sliderevent(me);

		me.off('.lzslider');

		me.on('mouseover.lzslider', function() {
			
			clearinterval(status.timer);

			status.timer = null;

			status.mouseh = true;

		}).on('mouseout.lzslider', function() {
			
			param.auto && (status.timer = setinterval(self.sliderexcute.autoplay.bind(self.sliderexcute),param.interval));

			status.mouseh = false;

		});

		event.setevent();

		param.auto && (status.timer = setinterval(self.sliderexcute.autoplay.bind(self.sliderexcute),param.interval));
	}

	sliderinit.prototype.initparam = function(a,b,c,d){

		var param = {

			dir:'left',

			speed:600,

			interval:3000,

			event:['arrow'],

			auto:true,

			cycle:true,

			num:1,

			btncls: ['lz-sliderpoint-box','lz-sliderpoint','lz-sliderpoint-point','lz-sliderpoint-hover'],

			arrowcls:['lz-sliderbtn','lz-sliderbtn-left','lz-sliderbtn-right'],

			arrowstyle:true,

			_onswitch:null,

			_onlast:null

		}

		if($.isobject(a)){

			param = $.extend({},param,a);

		}else{

			param.dir = a;

			param.interval = b;

			param.speed = c;

			param.auto = d;

			!isnan(a) && (param.interval = a, param.speed = b);

			typeof a === 'function' && (param._onswitch = a);

			typeof a ==='boolean' && (param.auto = a);

		}

		if(this.$ele.data('slider-param')){

			$.extend({},param,this.$ele.data('slider-param'));

		}

		param.dir = (param.dir == 'left' || param.dir == 'right' || param.dir == 'up' || param.dir == 'down') ? param.dir: 'left';

		param.speed = (param.speed == null) ? 600 : param.speed;

		param.interval = (param.interval == null) ? 3000 : param.interval;

		param.interval == 'fast' && (param.interval = 1500, param.speed = 300);

		param.interval == 'medium' && (param.interval = 3000, param.speed = 600);

		param.interval == 'slow' && (param.interval = 6000, param.speed = 1200); 

		(isnan(param.interval) || isnan(param.speed)) && (param.interval = 3000, param.speed = 600); 

		(param.interval < param.speed) && jquery.error('参数设置错误 动画间隔小于动画速度');
		
		param.auto = (param.auto === false) ? false: true;

		param.cycle = (param.cycle === false) ? false: true;

		param.arrowstyle = (param.arrowstyle === false) ? false: true; 

		typeof param._onswitch !=='function' && (param._onswitch = null);

		typeof param._onlast !=='function'  && (param._onlast=null);

		return param;

	}

	var tool = function(val){

		this.$ele = $(val);

	}

	tool.prototype.destory = function(){

		var me = this.$ele;

		$.each(me,function(index,val){

			var self = $(val),

			status = self.data('lzslider-status'),

			param = self.data('lzslider-param');

			if(status.timer) clearinterval(status.timer);

			self.off('lzslider')

			if(btn=self.find(param.btncls[0])) btn.remove();

			if(arrow=self.find(param.arrowcls[0])) arrow.remove();

			self.removedata('lzslider-status').removedata('lzslider-param');

		});

		return false;

	}

	tool.prototype.refresh = function(){

		var me = this.$ele,

		self = me.get(0),

		status = me.data('lzslider-status'),

		param = me.data('lzslider-param'),

		imgbox = me.data('lzslider-imgbox');

		var len = self.sliderexcute.calboxlen(),

			marginlen = self.sliderexcute.calmovelen();
				
			(param.dir=='left' || param.dir =='right')? imgbox.css('width',len):imgbox.css('height',len);

			(param.dir=='left' || param.dir =='right')? imgbox.css('marginleft',-marginlen):imgbox.css('margintop',-marginlen);	
	}

	tool.prototype.init = function(a,b,c,d){

		var me = this.$ele;

		this.destory();

		me.lzbanner(a,b,c,d);

	}

	tool.prototype.index = function(num){

		var me = this.$ele,

		self = this;

		if(num===undefined){

			return me.eq(0).data('lzslider-status').sponit+1;

		}else{

			$.each(me,function(index,val){

				self.stop();

				var status = $(val).data('lzslider-status'),

				param = $(val).data('lzslider-param');

				if(status.flag){

					status.cpoint = num-1;

					$(val).sliderexcute();

				}

				param.auto && self.start();


			})

			return this;

		}

	}

	tool.prototype.next = function(){

		var self = this,

		me = this.$ele;

		$.each(me,function(index,val){

			self.stop();

			var status = $(val).data('lzslider-status'),

			param = $(val).data('lzslider-param');

			if(status.flag){

				status.cpoint+=param.num;

				$(val).sliderexcute();

			}

			param.auto && self.start();

		})

		return this;

	}

	tool.prototype.prev = function(){

		var self = this,

		me = this.$ele;

		$.each(me,function(index,val){

			self.stop();

			var status = $(val).data('lzslider-status'),

			param = $(val).data('lzslider-param');

			if(status.flag){

				status.cpoint-=param.num;

				$(val).sliderexcute();

			}

			param.auto && self.start();

		})

		return this;

	}

	tool.prototype.setinterval = function(num){

		var me = this.$ele,

		self = this;

		$.each(me,function(index,val){

			self.stop();

			var param = $(val).data('lzslider-param');

			num>param.speed && (param.interval = ~~num);

			param.auto && self.start();

		})

		return this;

	}

	tool.prototype.setspeed = function(num){

		var me = this.$ele;

		$.each(me,function(index,val){

			var param = $(val).data('lzslider-param');

			num<param.interval && (param.speed=~~num);

		})

		return this;

	}

	tool.prototype.start = function(){

		var me = this.$ele;

		$.each(me,function(index,val){

			var status = $(val).data('lzslider-status'),

			param = $(val).data('lzslider-param');

			if(!status.timer){

				status.timer = setinterval(val.sliderexcute.autoplay.bind(val.sliderexcute),param.interval);

			}

		})

		return this;

	}

	tool.prototype.stop = function(){

		var me = this.$ele;

		$.each(me,function(index,val){

			var status = $(val).data('lzslider-status');

			if(status.timer){

				clearinterval(status.timer);

				status.timer = null;

			}

		})

		return this;

	}

	tool.prototype.oncycle = function(){

		var me = this.$ele;

		$.each(me,function(index,val){

			$(val).data('lzslider-param').cycle = true;

		})

		return this;

	}

	tool.prototype.offcycle = function(){

		var me = this.$ele;

		$.each(me,function(index,val){

			$(val).data('lzslider-param').cycle = false;

		})

		return this;
	}

	tool.prototype.islast = function(){

		var me = this.$ele,

		result = [];

		$.each(me,function(index,val){

			var status = $(val).data('lzslider-status');

			status.cpoint === status.lastlen - 1? result.push(true):result.push(false);

		});

		if(result.length===1) return result[0];

		return result;

	}

	tool.prototype.on = function(str,fn){

		var me = this.$ele;

		if(typeof fn ==='function'){

			$.each(me,function(index,val){

				str ==='switch' && ($(val).data('lzslider-param')._onswitch = fn);

				str === 'last' && ($(val).data('lzslider-param')._onlast = fn);

			})

		}

	}

	$.fn.sliderexcute = function(){

		var me = $(this).get(0);

		me.sliderexcute.onprogress();

	}

	$.fn.slidertool = function(){

		var me = $(this);

		return new tool(me);

	}


	$.fn.lzslider = function(a,b,c,d){

		var me = $(this);

		$.each(me,function(index,val){

			var newslider = new sliderinit(val,a,b,c,d);

			val.sliderexcute = new slidermethods(val);

			newslider.layout();

			newslider.initevent();

		})

		return me.slidertool();

	}

})(jquery)