//    Licensed Materials - Property of IBM
//
//    IBM Cognos Products: cogadmin
//
//    (C) Copyright IBM Corp. 2005, 2011
//
//    US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
//
//
dojo.provide("com.ibm.cognos.admin.utils.Datetime");

/*
 * Add a feature to JS navtive datetime object to provide a mean to construct a datetime object on the 
 * format of yyyy-mm-ddThh:mm:ss or yyyy-mm-dd
 * @param datetime, string with format of yyyy-mm-ddThh:mm:ss or yyyy-mm-dd
 */
(function(){
	dojo.declare("com.ibm.cognos.admin.utils.Datetime",null,{
		constructor : function (datetime){
			this.datetime = datetime;
		},
		getObject : function (){
			//if empty return the now datetime object
			if (!this.datetime)
				return new Date();
			//if it's an date object already, just return it	
			if (this.datetime instanceof Date)
				return this.datetime;
			//otherwise do the construction
			var aDatetime = this.datetime.split("T"),
			y = 0,
			m = 0,
			d = 0,
			h = 0,
			min = 0,
			s = 0;
		
			if (aDatetime[0]){
				var aDate = aDatetime[0].split("-");
				y = aDate[0];
				m = aDate[1] - 1;
				d = aDate[2];
			};
			
			if (aDatetime[1]){
				var aTime = aDatetime[1].split(":");
				h = aTime[0];
				min = aTime[1];
				s = aTime[2].substr(0,2);
			}
			
			return (new Date(y,m,d,h,min,s));
		},
		getDateString : function (){
			var o = this.getObject();
			var month = o.getMonth() + 1 + "";
			var day = o.getDate() + "";
			return o.getFullYear()+'-'+((month.length == 1)?'0':'')+month+'-'+((day.length == 1)?'0':'')+day;
		},
		getTimeString : function (){
			var o = this.getObject();
			var hour = o.getHours() + "";
			var min = o.getMinutes() + "";
			var sec = o.getSeconds() + "";
			return ((hour.length == 1)?'0':'')+hour+':'+((min.length == 1)?'0':'')+min+':'+((sec.length == 1)?'0':'')+sec;
		},
		getDateTimeString : function (){
			return this.getDateString() + 'T' + this.getTimeString();
		},
		isToday : function (){
			var today = new com.ibm.cognos.admin.utils.Datetime(new Date());
			return today.getDateString() == this.getDateString();
		}
	})
})();