/** 
 * Hide the "save" box when form fields are focused
 */
$('.input-group input, .input-group textarea').focus(function(){
  $('.form-save').slideUp();
  $('.form-save .text-url').val('');
  $('.form-save .link-url').attr('href', '');
  $('.form-save .email-url').attr('href', '');
});


/** 
 * Generate save information
 */
$('.submit').click(function(e) {
  var to_email = 'your@email.address';
  var email_subject = 'Saved form';
  var email_msg = '';
  var editor_url = window.location.href.slice( 0, window.location.href.indexOf('?') ) + '?';
  e.preventDefault();
  var query_string = '';
  
  // get all the form values
  $('.form-group .input-group input').each(function() {
    var name = $(this).attr('name');
    var value = $(this).val();
        
    query_string += name + "=" + escape(value) + "&";
  });
  
  // generate link
  email_msg += "mailto:" + to_email;
  email_msg += '?subject=' + escape(email_subject);
  email_msg += '&body=' + escape(editor_url + query_string);

  // display link
  $('.form-save .text-url').val(editor_url + query_string);
  $('.form-save .link-url').attr('href', editor_url + query_string);
  $('.form-save .email-url').attr('href', email_msg);
  $('.form-save').slideDown();
  
});


/** 
 * Revrieve querystring variables
 * Via: http://stackoverflow.com/questions/4656843/jquery-get-querystring-from-url
 */
function get_url_vars() {
  var vars = [];
  var hash;
  var hashes = window.location.href.slice( window.location.href.indexOf('?') + 1 ).split( '&' );
  
  for ( var i=0; i < hashes.length; i++ ) {
    hash = hashes[i].split( '=' );
    vars.push( hash[0] );
    vars[hash[0]] = hash[1];
  }
  
  return vars;
}


/** 
 * Populate the form fields with qeuerystring variables
 */
function populate_form() {
  var qs_vars = [];
  
  // init
  qs_vars = get_url_vars();
  
  if ( qs_vars.length > 0 ) {
    // populate the form with saved vars
    for ( var i=0; i<qs_vars.length; i++ ) {
      var qs_key = qs_vars[i];
      var qs_val = unescape(qs_vars[qs_key]);
      $('*[name="'+qs_key+'"]').val(qs_val);
    }
  }  
}


/** 
 * Do this
 */
populate_form();