/**
 *
 * @package SprintCMSv2_vitalspace.co.uk
 * @author Jim Tunstall <jtunstall@doc-net.com>
 * @copyright Copyright &copy; 2009, Doctor Net Limited
 *
 * Newsletter signup
 * 
 * Validate users data, post to local php script (to sidestep ajax cross domain issues) 
 * and on success display message to user
 * 
 * :note: break into functions?
 */
$(document).ready(function() {
   $("#subscribe").click(function() {
      // clear any previous errors
      $('.error').hide();        
      $('#newsletter').css('background','#4B08A1'); 
      var bol_has_errors = false; 
      
      // validate inputs
      // valudate name
      var str_name = $("input#str_name").val();
      if ("" == str_name) {  
         $('#str_name_error').html("Please enter your name");
         $("#str_name_error").show();  
         bol_has_errors = true;  
       }  
      
      // validate email      
      var str_email_regex = /^([a-zA-Z0-9_\-])+(\.([a-zA-Z0-9_\-])+)*@((\[(((([0-1])?([0-9])?[0-9])|(2[0-4][0-9])|(2[0-5][0-5])))\.(((([0-1])?([0-9])?[0-9])|(2[0-4][0-9])|(2[0-5][0-5])))\.(((([0-1])?([0-9])?[0-9])|(2[0-4][0-9])|(2[0-5][0-5])))\.(((([0-1])?([0-9])?[0-9])|(2[0-4][0-9])|(2[0-5][0-5]))\]))|((([a-zA-Z0-9])+(([\-])+([a-zA-Z0-9])+)*\.)+([a-zA-Z])+(([\-])+([a-zA-Z0-9])+)*))$/;
      var str_email_address = $("#str_email_address").val();
      if (("" == str_email_address) || (!str_email_address.match(str_email_regex))) {  
         $('#str_email_address_error').html("Please enter a valid email address");
         $("#str_email_address_error").show();
         bol_has_errors = true;
      }  
      
      // validate choice of mailing list
      var str_mailing_list = $('input[name=str_mailing_list]:checked').val();
      switch(str_mailing_list) {
         case 'renting':
            // renting mailing list hash as provided by email campaigner
            str_mailing_list_hash = '2m2,d';
            break;
         
         case 'buying':
            // buying mailing list hash as provided by email campaigner
            str_mailing_list_hash = '6n2,d';     
            break;
         
         default:
            $('#str_mailing_list_error').html("Please choose a mailing list");
            $("#str_mailing_list_error").show();
            bol_has_errors = true;
            break;
      }
      
      // was any of the user input data invalid
      if(bol_has_errors) {
         // alert the user by a background colour change and stop here (validation errors are already visible)
         $('#newsletter').css('background','red');      
         return false;
      }
      
      // user input data is valid, so create post data
      var str_subscribe_info = 'str_name=' + str_name +
         '&str_email_address=' + str_email_address +
         '&str_mailing_list_hash=' + str_mailing_list_hash;
      
      // post request to email campaigner, parse response and display to user
      $.ajax({
         type: "POST",
         url: "/AjaxNewsLetter/signup",
         data: str_subscribe_info,
         success: function(xml) {
            $('#newsletter').html("<h3>Request Sent</h3><p>" + $(xml).find('message').text() + "</p>");
            
            if($('response', xml).attr('success') == 'false') {
               $('#newsletter').css('background', 'red');
            }
         },
         error:function(xml){
            $('#newsletter').html("<h3>Error</h3><p>You could not be added.  Please try again later.</p>");
            $('#newsletter').css('background','red');
         } 
      });
      return false;
   });
});