//Add Multiple Users by Happy Nuclear
//On-Screen Validation methods
//compiled for amu version 1.0.1

jQuery(document).ready(function() {
    //run field validation on username on keyup
    jQuery('.valusername').keyup(function() {
		var thisFieldName = jQuery(this).attr('name');
		var thisFieldID = thisFieldName.substr(8);
        var usernameVal = jQuery(this).val();
        var action = 'UserNameValidation';
		validationU(thisFieldID, usernameVal, action);
    });
	
	//run field validation on email on blur
    jQuery('.valemail').keyup(function() {
		
		var thisEmailField = jQuery(this).attr('name');
		var thisEmailID = thisEmailField.substr(5);
        var emailVal = jQuery(this).val();
        var action = 'EmailValidation';
		var doValidate = '';
		
		if (jQuery('#validatemail').attr('checked')) {
			doValidate = 'yes';
		} else {
			doValidate = 'no';
		}
		validateE(thisEmailID,emailVal,action,doValidate);
    });
});

//function to validate username
function validationU(thisFieldID,usernameVal,action) {
	if (usernameVal !== "") {
       	jQuery.post( MySecureAjax.ajaxurl, {action: action, thevars: usernameVal}, function(data) {
			if (data == 'exists') {
				jQuery('#username'+thisFieldID).css('color','rgb(255,0,0)');
				jQuery('#username'+thisFieldID).attr('title','Error - username is already in use.');
			} else {
				var i=0;
				jQuery('.valusername').each(function() {
					if (jQuery(this).val() == usernameVal) {
						i++;
					}
					if (i > 1) {
						jQuery('#username'+thisFieldID).css('color','rgb(255,0,0)');
						jQuery('#username'+thisFieldID).attr('title','Error - already entered elsewhere on form.');
					} else {
						jQuery('#username'+thisFieldID).css('color','rgb(0,128,0)');
						jQuery('#username'+thisFieldID).attr('title','Username is valid.');
					}
				});
			}		
       	});
	} else {
		jQuery('#username'+thisFieldID).css('color','rgb(51,51,51)');
		jQuery('#username'+thisFieldID).attr('title','Empty (row will be skipped).');
	}
}

//function to validate username
function validateE(thisEmailID,emailVal,action,doValidate) {
	if (emailVal !== "") {
		jQuery.post( MySecureAjax.ajaxurl, {action: action, thevars: emailVal, isValidated: doValidate}, function(data) {
			if (doValidate == 'yes') {
				if (data == 'emailinvalid') {
					jQuery('#email'+thisEmailID).css('color','rgb(255,0,0)');
					jQuery('#email'+thisEmailID).attr('title','Error - not a valid email address.');
					return;
				}
			}
			if (data == 'exists') {
				jQuery('#email'+thisEmailID).css('color','rgb(255,0,0)');
				jQuery('#email'+thisEmailID).attr('title','Error - email address already in use.');
			} else {
				var j=0;
				jQuery('.valemail').each(function() {
					if (jQuery(this).val() == emailVal) {
						j++;
					}
				});
				if (j > 1) {
					jQuery('#email'+thisEmailID).css('color','rgb(255,0,0)');
					jQuery('#email'+thisEmailID).attr('title','Error - already entered elsewhere on form.');
				} else {
					jQuery('#email'+thisEmailID).css('color','rgb(0,128,0)');
					jQuery('#email'+thisEmailID).attr('title','Email is valid and available for use.');
				}
			}		
		});
	} else {
		jQuery('#email'+thisEmailID).css('color','rgb(51,51,51)');
		jQuery('#email'+thisEmailID).attr('title','Enter an email address.');
	}
}