/*
 *+------------------------------------------------------------------------+
 *| 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.
 *|
 *+------------------------------------------------------------------------+
*/


/*
	DateHelper.js
	This script provides interactivity for the date prompt control
*/


/*
	Constructor to create a new Date Picker Dialog / inline calendar

	oForm: a hidden form control to store the date
	oEditBox: the edit box that the user interacts with
	sRef: string, the name of this object
	sDefaultDate: a date to start the control
	iType: integer, 0= gregorian, 1= japanese imperial
	sInputOrder: YMD, DMY, ...
	iStartOfWeek: start day of the week. sunday = 0, monday = 1, ..., saturday = 6
	iDateTimeType: 0 = datetime e.g. yyyy-mm-dd 00:00:00.000, 1 = date e.g. yyyy-mm-dd
	sFirstDate: the minimum acceptable date
	sLastDate: the maximum acceptable date
	bRequired: boolean, specify if user input is required
	sCVId: string id 	
*/

function PRMT_DateHelper( oForm, oEditBox, sRef, sDefaultDate, iType, sInputOrder, iStartOfWeek, iDateTimeType, 
		sFirstDate, sLastDate, bRequired)
{
	this.m_oForm = oForm;
	this.m_oEditBox = oEditBox;

	this.m_sRef = sRef;

	//check to see if a valid date was supplied
	this.m_sInputOrder = g_dateOrder;

	//restore a default value
	if (sDefaultDate)
	{
		//split off any time portions
		var sTestDate = sDefaultDate.split("T");

		//default date is in SQL format, yyyy-mm-dd
		this.m_dDate = dParseDate(sTestDate[0], "YMD");
		if ((this.m_dDate === false) || (!this.m_dDate))
		{
			this.m_dDate = new Date();
		}
	}
	else
	{
		this.m_dDate = new Date();
	}

	//sunday = 0, monday = 1, ..., saturday = 6
	this.m_iStartOfWeek = g_startDayOfWeek;

	//Calendar Type: 0=gregorian, 1=emperor
	this.m_iType = iType;

	//what the control should return to the form field
	//0 = datetime e.g. yyyy-mm-dd 00:00:00.000
	//1 = date e.g. yyyy-mm-dd
	this.m_iDateTimeType = iDateTimeType;

	//check to see if a valid first date was supplied
	if (sFirstDate)
	{
		this.m_dFirstDate = dParseDate(sFirstDate,"YMD");
		if (this.m_dFirstDate > this.m_dDate)
		{
			//the date is less than the first date,
			//reset to the first date
			this.m_dDate = this.m_dFirstDate;
		}
	}

	//check to see if a valid last date was supplied
	if (sLastDate)
	{
		this.m_dLastDate = dParseDate(sLastDate,"YMD");
		if (this.m_dLastDate < this.m_dDate)
		{
			//the date is greater than the last date,
			//reset to the last date
			this.m_dDate = this.m_dLastDate;
		}
	}

	//specify whether the user must enter a date or not
	this.m_bRequired = bRequired;

	this.m_bDisabled = false;

	//indicate whether the control has valid data
	this.m_bValid = false;
	
};

PRMT_DateHelper.prototype.getCurrentDate = function()  { return this.m_dDate; };

PRMT_DateHelper.prototype.f_checkDate = function(dateValue) 
{
	var bTestResult = true;

	//remove any non alpha numeric data
	var sTestDateStrip = sStripNonAlphanumerics(dateValue).f_trim();

	//remove the time if it is part of the string
	if (this.m_iDateTimeType === 0)	{
		var rSplit = /[T]/;
		var arSplitValue = sTestDateStrip.split(rSplit);
		sTestDateStrip = arSplitValue[0];
	}

	var dTestDate = null;
	//is the field required? If not, a value does not have to be specified
	if ( !( this.m_bRequired === false && sTestDateStrip === K_PRMT_sEMPTY) ) {
		var iTestDate = false;
		//Fix for bug# 482564 - If this object is used for Date/Time dialog, specifically use YMD as date format
		var tempInputOrder = "YMD";
	
		if (this.m_iType === 1)	{
			iTestDate = dParseEra(sTestDateStrip, tempInputOrder);
		} else {
			iTestDate = dParseDate(sTestDateStrip,tempInputOrder);
		}
		//check to see if this is a valid date
		if (!iTestDate) {//it is a number
			bTestResult = false;
		}
	
		//see if an acceptable date was supplied
		if ( bTestResult ) {
			dTestDate = iTestDate;
	
			//check to see if this date less than the first date OR
			//check to see if this date is greater than the last date
			//if so, then this is not a valid date
			if ( (this.m_dFirstDate && (dTestDate < this.m_dFirstDate)) || 
				(this.m_dLastDate && (dTestDate > this.m_dLastDate)) ) {
				bTestResult = false;
			}
		}
	}
	
	this.m_dDate = dTestDate;
	this.m_bValid = bTestResult;

	return bTestResult;
};

/**
 *  Return a date string in the yyyy-mm-dd format
 *  
 *  @param Date dateValue
 */
PRMT_DateHelper.prototype.f_formatDateYMD = function(dateValue) 
{
	var result = null;
	if (dateValue) {
		var nMonth = dateValue.getMonth() + 1;
		var sMonth = (nMonth > 9 ? String(nMonth) : "0" + nMonth);
		var nDay = dateValue.getDate();
		var sDay = (nDay > 9 ? String(nDay) : "0" + nDay);
		result = dateValue.getFullYear() + "-" + sMonth + "-" + sDay;
	}
	return result;
}

//return the content locale formatted value
PRMT_DateHelper.prototype.f_formatDateCurrentLocale = function(dateObj) 
{
	return getFormatDate (dateObj, this.m_iType, this.m_sInputOrder);
}


//take the current date and update it
PRMT_DateHelper.prototype.f_formatSubmitDate = function(dNewDate)
{
	var result;
	//Is there a date?
	if (dNewDate) {
		//convert to the new value and update the form
		//note that this value needs to be properly formatted
		//where dates need to be fully specified
		var	sNewYear = dNewDate.getFullYear();
		//add extra 0(s) if necessary
		sNewYear = "0000" + sNewYear;
		sNewYear = sNewYear.substring(sNewYear.length-4, sNewYear.length);

		var sNewMonth = (parseInt(dNewDate.getMonth(), 10) + 1).toString();//+need to add one;

		//add an extra 0 if necessary
		if (sNewMonth.length == 1) {
			sNewMonth = "0" + sNewMonth;
		}

		var sNewDay = (dNewDate.getDate()).toString();

		//add an extra 0 if necessary
		if (sNewDay.length == 1) {
			sNewDay = "0" + sNewDay;
		}
		var sNewValue = sNewYear + "-" + sNewMonth + "-" + sNewDay;

		//note that this value needs to be properly formatted
		//where dates need to be fully specified
		if (this.m_iDateTimeType === 0) {
			sNewValue += "T00:00:00.000";
		}

		result = sNewValue;
	} else {
		//remove the value from the form
		result = K_PRMT_sEMPTY;
	}

	return result;
}