//
// BMG JavaScript to ensure valid information is sent to the BMG.
//
// Content: Validate Submit Form - Destination Address, Reply to and SMS text.
//		          Ensure complete message is not over MAX_COUNT characters.
//          Validate Status Form - Destination Address and Message Id
//
// Copyright (c) 2003, Schlumberger Private (http://legal.slb.com).
//

function strLTrim() {
	return this.replace(/^\s+/,'');
}

function strRTrim() {
	return this.replace(/\s+$/,'');
}

function strTrim() {
	return this.replace(/^\s+/,'').replace(/\s+$/,'');
}

//
// Strip off all whitespaces 
//
function strStripWhitespaces() {
	return this.replace(/\s+/g,'');
}

String.prototype.lTrim = strLTrim;
String.prototype.rTrim = strRTrim;
String.prototype.trim = strTrim;
String.prototype.stripWhitespaces = strStripWhitespaces;

// Character count for text message and email address only
function getCurrentCount(){
	if ( document.SubmitForm.reply_to_choice[1].checked ){
		return document.SubmitForm.short_message.value.length + document.SubmitForm.reply_to.value.length + document.SubmitForm.sent_by.value.length;
	}
	else
	{
		return document.SubmitForm.short_message.value.length + document.SubmitForm.sent_by.value.length;
	}
}
function clearSubmitForm(){
	document.SubmitForm.reset();
	document.SubmitForm.char_count.value = MAX_COUNT;
}
function clearStatusForm(){
	document.StatusForm.reset();
}
function updateCharLeft(){
	document.SubmitForm.char_count.value = MAX_COUNT - getCurrentCount();
	return true;
}

function updateCharCountPress( field )
{	
	var len = 0;

	len = getCurrentCount();
	
	if (len > MAX_COUNT){
		alert(MAX_CHARACTERS + MAX_COUNT + ".\n" + CURRENT_CHARACTERS + len);

		field.value = field.value.substr(0, field.value.length + MAX_COUNT - len);


		if ( field.value.charCodeAt(field.value.length - 2) == 13){
			field.value = field.value.substr(0, field.value.length - 2);
		}		
		
		document.SubmitForm.char_count.value = MAX_COUNT - getCurrentCount();
		document.SubmitForm.char_count.focus();		
	}
	else{
		document.SubmitForm.char_count.value=(MAX_COUNT-len);
	}
}

function clickReplyToChoiceSms(){
	document.SubmitForm.char_count.value=(MAX_COUNT-getCurrentCount());	
	return true;
}


function clickReplyToChoiceEmail(){
	var len = 0;

	len = getCurrentCount();
	
	if (len > MAX_COUNT){
		alert(MAX_CHARACTERS + MAX_COUNT + ".\n" + CURRENT_CHARACTERS + len);
		document.SubmitForm.reply_to_choice[0].checked = true;
		return false;
	}
	
	document.SubmitForm.char_count.value=(MAX_COUNT-len);
	
	return true;
}

//
// Check that val is a digit string with length between nMinLength and nMaxLength.
//
function isMIN( val, nMinLength, nMaxLength )
{
	var code;

	if (val == null || val.length == 0)
		return -3;

	val = val.stripWhitespaces();

	var len = val.length;
	if( len < nMinLength || len > nMaxLength ){ 		
		return -1; 
	}
	for( var i = 0; i < len; ++i ){
		code = val.charCodeAt(i);
		if( code < 48 || code > 57 ){
			//Numbers must contain only digits
			return -2;
		}
	}
	return 0;
}

//
// Check that val is a digit string.
//
function isDigit( val )
{
	var code;
	var len = val.length;
	
	for( var i = 0; i < len; ++i ){
		code = val.charCodeAt(i);
		if( code < 48 || code > 57 ){
			return false;
		}
	}
	return true;
}


//
// Check for 10 MIN at most 
//
function validateDestinationAddress( value )
{
	if( value.length == 0 ) return -3;

	value = value.stripWhitespaces();

	var addresses = value.split( "," );
	var len = addresses.length;

	if( len > 10 ){		
		return -2;
	}

	addresses = addresses.sort();

	for( var i = 0; i < len; ++i )
	{
		if( isMIN( addresses[i], MIN_LENGTH, MIN_LENGTH ) != 0 )
		{ 
			return -1; 
		}

		if (i > 0)
		{
			if ( addresses[i-1] == addresses[i] )
			{
				return -4; //duplicate
			}
		}
	}
	return 0;
}


//
// Check if address is a valid email address; see RFC 821 and 822
// Does not support the quoted string for the local part, e.g. "john doe"@company.com
// Does not support the IP address for the domain part, e.g. john.doe@[123.123.123.123]
//
function isValidEmailAddress ( address )
{
   var pos;
   var specialChars = " <>|()[]\\,;:\"";
   var user;
   var domain;

   address = address.trim();

   pos = address.indexOf('@');

   if ( pos == -1 )
	return false;

   //more than one @
   if ( address.indexOf('@', pos+1) != -1)
	return false;

   for ( i=0; i < address.length; i++) 
   {
      if ( address.charCodeAt(i) < 32 || address.charCodeAt(i) == 127 || address.charCodeAt(i) > 255 ) 
	{
   	    return false;
	}
   }

   for ( i=0; i < specialChars.length; i++ ) 
   {
      if ( address.indexOf(specialChars.charAt(i), 0) != -1 )
	{
          return false;
	}
   }

   user = address.substr(0, pos);
   domain = address.substr (pos+1, address.length-pos);

   if (user == null || user == "")
	return false;

   if (domain == null || domain == "")
	return false;

   if ( user.indexOf('.') == 0 || (user.indexOf('.') == user.length-1)  || user.indexOf('..') != -1 )
	return false;
   
   if ( domain.indexOf('.') == 0 || (domain.indexOf('.') == domain.length-1) || domain.indexOf('..') != -1 )
	return false;

   //domain at least one dot
   if ( domain.indexOf('.') == -1 )
	return false;
   
   return true;
}


//
// Validate the SubmitForm
//
function validateSubmitForm()
{
	var alertMsg = "";
	var retVal;
	var len;

	retVal = validateDestinationAddress( document.SubmitForm.destination_address.value );
	if( retVal == -1 ){
		alertMsg += "\n" + SEND_INVALID_NUMBER
	}
	if( retVal == -2 ){
		alertMsg += "\n" + SEND_INVALID_MAX_NUMBER;
	}
	if( retVal == -3 ){
		alertMsg += "\n" + SEND_REQUIRED;
	}
	if( retVal == -4 ){
		alertMsg += "\n" + SEND_DUPLICATE;
	}

	if ( document.SubmitForm.reply_to_choice[1].checked ){
		if( document.SubmitForm.reply_to != null && document.SubmitForm.reply_to.value != "" ){
			if ( !isValidEmailAddress ( document.SubmitForm.reply_to.value ) )
			{
				alertMsg += "\n" + EMAIL_INVALID;
			}
		}
	}
	else
	{
		retVal = isMIN( document.SubmitForm.reply_to.value, MIN_EX_MIN_LENGTH, MIN_EX_MAX_LENGTH );
		if( retVal == -2 ){
			alertMsg += "\n" + REPLY_INVALID_DIGIT;			
		}
		if( retVal == -1 ){
			alertMsg += "\n" + REPLY_INVALID_LENGTH;
		}
	}	
	
	if( document.SubmitForm.short_message.value == "") {
		alertMsg += "\n" + MESSAGE_REQUIRED;
	}

	len = getCurrentCount();
	
	if( len > MAX_COUNT ){
		alertMsg += "\n" + MAX_CHARACTERS + MAX_COUNT + ".\n" + CURRENT_CHARACTERS + len;
	}	
	
	if( document.SubmitForm.text_captcha.value == "") {
		alertMsg += "\n" + VALIDATION_REQUIRED;
	}
	
	if (alertMsg != "")
	{
		alert( alertMsg );
		return false;
	}
	else
	{
		return true;
	}
}

//
// Validate the StatusForm
//
function validateStatusForm()
{
	var alertMsg = "";
	var retVal;	

	if( document.StatusForm.message_id.value == "" ){
		alertMsg += "\n" + MESSAGE_ID_REQUIRED;		
	}
	if( !isDigit (document.StatusForm.message_id.value) ){
		alertMsg += "\n" + MESSAGE_ID_INVALID_DIGIT;		
	}
	
	if( document.StatusForm.destination_address.value == "" ){
		alertMsg += "\n" + MOBILE_REQUIRED;
	}
	else
	{
		retVal = isMIN( document.StatusForm.destination_address.value, MIN_LENGTH, MIN_LENGTH);
		if( retVal == -2 ){
			alertMsg += "\n" + MOBILE_INVALID_DIGIT;		
		}		
		if( retVal == -1 ){
			alertMsg += "\n" + MOBILE_INVALID_LENGTH;	
		}		
	}

	if (alertMsg != "")
	{
		alert( alertMsg );
		return false;
	}
	else
	{
		return true;
	}
}


//
// Bell.ca JavaScript to pop a new window
// Taken from /jsp/content/personal/catalog/wireless/data/wireless_email/applications/epage.jsp
//
function popper(thisUrl,thisWindow,thisWidth,thisHeight,thisTop,thisLeft) {
	optionString = ('width=' + thisWidth + ',height=' + thisHeight + ',top=' + thisTop + ',left=' + thisLeft + ',status=no,menubar=no,resizable=no,scrollbars=no');

	mainWin = window.open(thisUrl,thisWindow,optionString);

}