$(function(){
    $('.error').fadeOut(0);
    
    // show message error if after editing
    // the name field contains improper value
    $("input#name").blur(function(){
        if(validateInput('name')){
            if(!validateName()){
                $("label#name_error").fadeOut(0);
                $("label#name_error2").fadeIn(250);
            }
        }else{
            $("label#name_error2").fadeOut(0);
        }
    });
    
    // show message error if after editing
    // the email field contains improper value
    $("input#email").blur(function(){
        if(validateInput('email')){
            if(!validateEmail()){
                $("label#email_error").fadeOut(0);
                $("label#email_error2").fadeIn(250);
            }
        }else{
            $("label#email_error2").fadeOut(0);
        }
    });
    
    $("input#name").keydown(function(){
        if(validateInput('name')){
            $("label#name_error").fadeOut(0);
        }
        if(validateName()){
            $("label#name_error2").fadeOut(0);
        }
    });
    
    $("input#email").keydown(function(){
        if(validateInput('email')){
            $("label#email_error").fadeOut(0);
        }
        if(validateEmail()){
            $("label#email_error2").fadeOut(0);
        }
    });
        
    $("input#signup").click(function(){
        // validate and process form
        var quit = false;
        if(validateName()){
            name = validateName();
            $("label#name_error").fadeOut(0);
            $("label#name_error2").fadeOut(0);
        }else if(validateInput('name')){
            $("label#name_error").fadeOut(0);
            $("label#name_error2").fadeIn(250);
            quit = true;
        }else{
            $("label#name_error").fadeIn(250);
            $("label#name_error2").fadeOut(0);
            quit = true;
        }
        if(validateEmail()){
            email = validateEmail();
            $("label#email_error").fadeOut(0);
            $("label#email_error2").fadeOut(0);
        }else if(validateInput('email')){
            $("label#email_error").fadeOut(0);
            $("label#email_error2").fadeIn(250);
            quit = true;
        }else{
            $("label#email_error").fadeIn(250);
            $("label#email_error2").fadeOut(0);
            quit = true;
        }
        if(quit){
            return false;
        }
        
        //var stripHTML = $("input#stripHTML").val();
        //var smtpMailServer = $("input#smtpMailServer").val();
        
        var dataString = 'name=' + name + '&email=' + email;
        
        /*var serverProcessorType = $("input#serverProcessorType").val();
        if(serverProcessorType == 'asp'){
            fileExtension = 'ashx';
        }else{
            fileExtension = serverProcessorType;
        }
        var mailHandlerURL = "bin/MailHandler." + fileExtension;
        */
        var nbNewsletterHandlerURL = 'includes/nbNewsletterHandler.php'
        $.ajax({
            type: "POST",
            url: nbNewsletterHandlerURL,
            data: dataString,
            dataType: 'json',
            success: function(ret){
                if(ret['result']) {
                  $('.error').fadeOut(0);
                  $('#subscribe_form .formthanks').html("<p class='success'>Thanks, Your subscription was successful.</p>");
                  $('#subscribe_form #subscribe-form').hide();
                }
                else {
                  $('.error').fadeOut(0);
                  $('#subscribe_form .formthanks').html("<p class='error'>Sorry, There was a problem with your subscription. Please try again later.</p>");
                }
            }
        });              
        return false;
    });
});
$.fn.clearForm = function(){
    return this.each(function(){
        var type = this.type, tag = this.tagName.toLowerCase();
        if (tag == 'form'){
            return $(':input',this).clearForm();
        }
        if (type == 'text' || type == 'password' || tag == 'textarea'){
            this.value = '';
        }else if (type == 'checkbox' || type == 'radio'){
            this.checked = false;
        }else if (tag == 'select'){
            this.selectedIndex = -1;
        }
    });
};
function isValidName(name){
    var pattern = new RegExp(/^[a-zA-Z'][a-zA-Z-' ]+[a-zA-Z']?$/);
    
    return pattern.test(name);
}
function isValidEmailAddress(emailAddress){
    var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);
    
    return pattern.test(emailAddress);
}

function validateName(){
    var name = $("input#name").val();
    if(name == 'Your name here') {
        name = '';
    }
    if(isValidName(name)){
        return name;
    }else{
        return false;
    }
}

function validateEmail(){
    var email = $("input#email").val();
    if(email == 'Your email address here') {
        email = '';
    }
    if(!isValidEmailAddress(email)){
        return false;
    }else{
        return email;
    }
}

// make sure visitor does not input a blank field
function validateInput(field){
    var fieldObject = $("input#" + field + "").val();
    if(fieldObject.length < 1){
        return false;
    }else{
        return true;
    }
}

function validateTextArea(field){
    var fieldObject = $("textarea#" + field + "").val();
    if(fieldObject.length < 1){
        return false;
    }else{
        return true;
    }
}