/*----------------------------- timer_switch_element -----------------------------*/
(function($){
	var 
	defaults = {
		irregular:[], 
		time:{
			start:{
				weekDay:'mon', 
				time:'0:00' 
			}, 
			end:{
				weekDay:'fri', 
				time:'23:59' 
			} 
		}, 
		callbackExecuteDefault:function(el){
			el.hide();
		}, 
		callbackExecutePeriod:function(el){
			el.show();
		} 
	}, 
	weekDayList = {
		'sun':0, 
		'mon':1, 
		'tue':2, 
		'wed':3, 
		'thu':4, 
		'fri':5, 
		'sat':6 
	};
	$.fn.timerSwitchElement = function(options){
		var 
		configs = {}, 
		el = this, 
		lenEl = el.length, 
		funcInit = function(){
			configs = $.extend({}, defaults, options);
			el.funcExecute();
		};
		if(lenEl === 0)return this;
		if(lenEl > 1){
			el.each(function(){$(this).timerSwitchElement(options)});
			return this;
		}
		el.funcExecute = function(){
			var 
			date = new Date();
			weekDay = date.getDay(), 
			hour = date.getHours(), 
			minutes = date.getMinutes(), 
			comparison = '2000/1/1 ', 
			comparisonTimestamp = Date.parse(comparison + hour + ':' + minutes + ':00') / 1000, 
			nowTimestamp = parseInt(date / 1000);
			for(var i = 0, l = configs.irregular.length;i < l;i++){
				var 
				startTimestamp = Date.parse(configs.irregular[i].start + ':00') / 1000, 
				endTimestamp = Date.parse(configs.irregular[i].end + ':59') / 1000;
				if(
					startTimestamp <= nowTimestamp && 
					nowTimestamp <= endTimestamp 
				){
					configs.callbackExecutePeriod(el);
					return true;
				}
			}
			if(configs.time === false)
			return false;
			var 
			startTimestamp = Date.parse(comparison + configs.time.start.time + ':00') / 1000, 
			endTimestamp = Date.parse(comparison + configs.time.end.time + ':59') / 1000;
			if(weekDayList[configs.time.start.weekDay] <= weekDayList[configs.time.end.weekDay]){
				if(
					weekDayList[configs.time.start.weekDay] > weekDay || 
					weekDayList[configs.time.end.weekDay] < weekDay || (
						weekDayList[configs.time.start.weekDay] === weekDay && 
						startTimestamp > comparisonTimestamp 
					) || (
						weekDayList[configs.time.end.weekDay] === weekDay && 
						endTimestamp <= comparisonTimestamp 
					) 
				){
					configs.callbackExecuteDefault(el);
					return false;
				}
			}else{
				if(
					(
						weekDayList[configs.time.start.weekDay] > weekDay && 
						weekDayList[configs.time.end.weekDay] < weekDay 
					) || (
						weekDayList[configs.time.start.weekDay] === weekDay && 
						startTimestamp > comparisonTimestamp 
					) || (
						weekDayList[configs.time.end.weekDay] === weekDay && 
						endTimestamp <= comparisonTimestamp 
					) 
				){
					configs.callbackExecuteDefault(el);
					return false;
				}
			}
			configs.callbackExecutePeriod(el);
			return true;
		};
		funcInit();
	};
})(jQuery);
/*----------------------------- /timer_switch_element -----------------------------*/