/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| BI and PM: prmt
 *| (C) Copyright IBM Corp. 2002, 2013
 *|
 *| US Government Users Restricted Rights - Use, duplication or
 *| disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *|
 *+------------------------------------------------------------------------+
*/


/*
	PRMT_TimeHelper.js

	This script is used to provide helper functions for the selectTime prompt control
*/

//Constructor to create a TimeHelper object is empty
function PRMT_TimeHelper(bRequired) {
	//specify whether the user must enter a date or not
	this.m_bRequired = bRequired;

}

//returns a locale formatted time for a given date
//
//  iDisplay: determine the display
//	  0 = h:m:s:ms
//	  1 = h:m:s
//	  2 = h:m
PRMT_TimeHelper.prototype.getTimeFormatForDisplay = function(dTime, iDisplay)
{
	var sValue = K_PRMT_sEMPTY;
	if(dTime){
		//format hours
		var iHours = dTime.getHours();
	
		if (g_24HourClock == 'false'){
			if (iHours == 0){
				iHours = 12;
			} else if (iHours > 12) {
				iHours = iHours - 12;
			}
		}
		var sHours = iHours.toString();
		if ((sHours.length == 1) && (g_hourFormatMedium == 'hh')) {
			sHours = '0' + sHours;
		}
		sValue += sHours;
		//format minutes
		var sMinutes = dTime.getMinutes().toString();
		if ((sMinutes.length == 1) && (g_minuteFormatMedium == 'mm')) {
			sMinutes = '0' + sMinutes;
		}
		sValue += g_timeSeparator + sMinutes;
		//format seconds
		if (iDisplay <= 1) {
			var sSeconds = dTime.getSeconds().toString();
			if ((sSeconds.length == 1) && (g_secondFormatMedium == 'ss')) {
				sSeconds = '0' + sSeconds;
			}
			sValue += g_timeSeparator + sSeconds;
		}
		//format milliseconds
		if (iDisplay == 0) {
			var sMilliseconds = dTime.getMilliseconds().toString();
			if (sMilliseconds.length == 2) {
				sMilliseconds = '0' + sMilliseconds;
			} else if (sMilliseconds.length == 1) {
				sMilliseconds = '00' + sMilliseconds;
			}
			sValue += K_PRMT_sDOT + sMilliseconds;
		}
		if ((g_24HourClock == 'false') && (g_AMPMLocation == 'right')) {
			if (dTime.getHours() >= 12) {
				sValue = sValue + K_PRMT_sSP + g_pmString;
			} else {
				sValue = sValue + K_PRMT_sSP + g_amString;
			}
		} else if ((g_24HourClock == "false") && (g_AMPMLocation == "left")) {
			if (dTime.getHours() >= 12) {
				sValue = g_pmString + K_PRMT_sSP + sValue;
			}else{
				sValue = g_amString + K_PRMT_sSP + sValue;
			}
		}
	}	
	return sValue;
};

PRMT_TimeHelper.prototype.getTimeFormatForInput = function (dTime, iDisplay) {
	
	var v_sDisplay = K_PRMT_sEMPTY;
	if(dTime) {
		var sHours = this.getTimePartWithZeroPadding(dTime.getHours().toString(), 2);   
		var sMinutes = this.getTimePartWithZeroPadding(dTime.getMinutes().toString(), 2);   
			
		v_sDisplay = sHours + K_PRMT_sCOLON + sMinutes;
		
		if(iDisplay < 2){
			var sSeconds = this.getTimePartWithZeroPadding(dTime.getSeconds().toString(), 2);
			v_sDisplay += K_PRMT_sCOLON + sSeconds;
		
			if(iDisplay < 1){
				var sMilliseconds = this.getTimePartWithZeroPadding(dTime.getMilliseconds().toString(), 3);
				v_sDisplay += K_PRMT_sDOT + sMilliseconds;
			}   
		}
	}
	return v_sDisplay;
};

//process the input and convert into the proper format
PRMT_TimeHelper.prototype.getTimeFormatForSubmit = function (dTime)
{
	var v_sValue = K_PRMT_sEMPTY;
	if(dTime) {
		//return a valid time data type
		//00:00:00.000	
		var sHours = this.getTimePartWithZeroPadding(dTime.getHours().toString(), 2);	
		var sMinutes = this.getTimePartWithZeroPadding(dTime.getMinutes().toString(), 2);	
		var sSeconds = this.getTimePartWithZeroPadding(dTime.getSeconds().toString(), 2);	
		var sMilliseconds = this.getTimePartWithZeroPadding(dTime.getMilliseconds().toString(), 3);
		
		v_sValue = sHours + K_PRMT_sCOLON + sMinutes + K_PRMT_sCOLON + sSeconds + K_PRMT_sDOT + sMilliseconds;
	}
	return v_sValue;
};

PRMT_TimeHelper.prototype.getTimePartWithZeroPadding = function (sTimePart, iLength){
	var v_sPaddedValue = sTimePart;
	while(v_sPaddedValue.length < iLength){
		v_sPaddedValue = '0' + v_sPaddedValue;
	}
	return v_sPaddedValue;
};

PRMT_TimeHelper.prototype.getTimeValuesArray = function (sTimeString) {
	var v_aSplit = sTimeString.split(":");	  
	var v_aTimeValues = new Array();
	v_aTimeValues[0] = v_aSplit[0];
	v_aTimeValues[1] = v_aSplit[1];
	if(v_aSplit.length > 2){
		var v_aSplitSecs = v_aSplit[2].split(".");
		v_aTimeValues[2] = v_aSplitSecs[0];
		if(v_aSplitSecs.length > 1){
			v_aTimeValues[3] = v_aSplit[2].split(".")[1];
		}
	}	
	return v_aTimeValues;   
};


//returns a date object for a given time
PRMT_TimeHelper.prototype.dParseTime = function (sTime)
{
	var dTime = (sTime) ? new Date(1970,0,1,0,0,0,0) : null;
	//set a default time if a default has been specified
	var sDefaultTime = (sTime) ? sTime : K_PRMT_sEMPTY;
	//convert from a valid date time format (XSD format and SQL)
	var arDateTime = sDefaultTime.split(/[T\s]/g);
	if (arDateTime.length == 2){
		sDefaultTime = arDateTime[1];
	}
	var arDefaultTime = sDefaultTime.split(/[:\.\,]/g);
	//do we have a valid date?
	if ((arDefaultTime.length >= 2)) {
		var sHours = parseInt(arDefaultTime[0],10);
		if (sHours != NaN && sHours <= 23 && sHours >= 0) {
			dTime.setHours(sHours);
		} else {
			// going to default to 12
			dTime.setHours(0);
		}
		var sMinutes = parseInt(arDefaultTime[1],10);
		if (sMinutes != NaN && sMinutes <= 59 && sMinutes >= 0) {
			dTime.setMinutes(sMinutes);
		} else {
			// going to default to 0 minutes
			dTime.setMinutes(0);
		}
		if (arDefaultTime.length >= 3 )
		{
			var sSeconds = parseInt(arDefaultTime[2],10);
			if (sSeconds != NaN && sSeconds <= 59 && sSeconds >= 0) {
				dTime.setSeconds(sSeconds);
			} else {
				// going to default to 0 seconds
				dTime.setSeconds(0);
			}
		}
		//milliseconds are optional
		if (arDefaultTime.length == 4) {
			var sMilliseconds = parseInt(arDefaultTime[3],10);
			if (sMilliseconds != NaN && sMilliseconds <= 999 && sMilliseconds >= 0) {
				dTime.setMilliseconds(sMilliseconds);
			} else {
				// going to default to 0 milliseconds
				dTime.setMilliseconds(0);
			}
		}
	}
	return dTime;
};

PRMT_TimeHelper.prototype.bCheckTime = function ( sTimeValue, iDisplay )
{
	var v_bValid = true;	
	var v_sValue =  this.sStripNonAlphanumerics(sTimeValue).f_trim();	
	
	if( this.m_bRequired || (v_sValue !== K_PRMT_sEMPTY) ){	
		if(v_sValue === K_PRMT_sEMPTY){
			v_bValid = false;
		} else {
			var v_aTimeValues = this.getTimeValuesArray(v_sValue);
			var hours = v_aTimeValues[0];
			var minutes = v_aTimeValues[1];	
			var seconds = v_aTimeValues[2];
			var milliseconds = v_aTimeValues[3];
	
			//check time parts
			if ( !this.bisValidHours(hours) || 
				 !this.bisValidMinutes(minutes) || 
				 ( iDisplay <= 1 && !this.bisValidSeconds(seconds) ) || 
				 ( iDisplay == 0 && !this.bisValidMilliseconds(milliseconds) )  ) {
				
				v_bValid =  false;
			}
		}
	}	
	return v_bValid;
};

PRMT_TimeHelper.prototype.bisValidHours = function (hours) {
	var iHours = parseInt(hours,10);
	return (bNumbersOnly(hours) && iHours >= MIN_HOURS && iHours <= MAX_HOURS);
};

PRMT_TimeHelper.prototype.bisValidMinutes = function (min) {
	var iMinutes = parseInt(min,10);
	return ( bNumbersOnly(min) && iMinutes >= MIN_MINUTES && iMinutes <= MAX_MINUTES );
};

PRMT_TimeHelper.prototype.bisValidSeconds = function (sec) {
	var iSeconds = parseInt(sec,10);
	return ( bNumbersOnly(sec) && iSeconds >= MIN_SECONDS && iSeconds <= MAX_SECONDS );
};

PRMT_TimeHelper.prototype.bisValidMilliseconds = function (msec) {
	var iMilliseconds = parseInt(msec,10);
	return ( bNumbersOnly(msec) && iMilliseconds >= MIN_MILLISECONDS && iMilliseconds <= MAX_MILLISECONDS );
};

PRMT_TimeHelper.prototype.sStripNonAlphanumerics = function (sString)
{
	var charDelimiters = /[\s,-]/g;
	var arTestDateStrip = sString.split(charDelimiters);
	var sTestDateStrip = arTestDateStrip.join(K_PRMT_sSP);

	return sTestDateStrip;
};

/* Messages */
// declare message strings
var g_amString = "AM";
var g_pmString = "PM";
var g_mediumFormat = "MMM d, yyyy h:mm:ss a";
var g_shortFormat = "M/d/yy h:mm a";
var g_hourFormatMedium = "h";
var g_minuteFormatMedium = "mm";
var g_secondFormatMedium = "ss";
var g_hourFormatShort = "h";
var g_minuteFormatShort = "mm";
var g_secondFormatShort = K_PRMT_sEMPTY;
var g_timeSeparator = K_PRMT_sCOLON;
var g_AMPMLocation = "right";
var g_24HourClock = "false";

/* Constants */
var MAX_HOURS = 23;
var MAX_MINUTES = 59;
var MAX_SECONDS = 59;
var MAX_MILLISECONDS = 999;

var MIN_HOURS = 0;
var MIN_MINUTES = 0;
var MIN_SECONDS = 0;
var MIN_MILLISECONDS = 0;