$(document).ready(function() {
  
  signupForm = $('form.signup');
  if(signupForm.length){

    var formAuthCheckTimer;

    // auto load 
    if(signupForm.find('input[name=email]').val().length > 0) {
      processSignupAuthCheck();
    }

    signupForm.on('keyup', 'fieldset.creds input', function(e){
      if(e.which != 9 && e.which != 16 && e.which != 91 && e.which != 91) {
        clearTimeout(formAuthCheckTimer);
        formAuthCheckTimer = setTimeout(processSignupAuthCheck, 500);
      }
    });

    signupForm.on('change', 'fieldset.creds input', function() {
      clearTimeout(formAuthCheckTimer);
      processSignupAuthCheck();
    });
  
    signupForm.on('click', 'p.exists a', function(){
      $.ajax({
        url: '/signup/reset_password',
        type: 'post',
        data: $('form').serialize(),
        dataType:'json',
        success: function(data) {
          if(data.status == 'sent') {
            signupForm.find('p.exists').html('An email has been sent to <b>' + signupForm.find('input[name=email]').val() + '</b> which contains a new password. You can copy this password into the password field above to continue your signup.');
          } else {
            alert('The address you entered could not be found. Please contact support if need further assistance.');
          }
        }
      });
      return false;
    });
  
    processSignupAuthCheck = function(){
      $.ajax({
        url: '/signup/validate_user',
        type: 'post',
        data: signupForm.serialize(),
        dataType:'json',
        success: function(data) {
          if(data.email_check.status == 'available') {
            signupForm.find('li.password p.label label').text('Choose a password');
            signupForm.find('p.exists').hide();
            signupForm.find('input[name=password]').removeClass('ok').removeClass('error');
            signupForm.find('input[name=first_name]').attr('disabled', false);
            signupForm.find('input[name=last_name]').attr('disabled', false);
          } else {
            signupForm.find('li.password p.label label').text('Enter your password');
            signupForm.find('p.exists b').text(data.email_check.email);
            
            if(data.authentication) {
              if(data.authentication.status == 'valid') {
                signupForm.find('input[name=first_name]').attr('value', data.authentication.first_name).attr('disabled', true);
                signupForm.find('input[name=last_name]').attr('value', data.authentication.last_name).attr('disabled', true);
                signupForm.find('input[name=password]').addClass('ok').removeClass('error');
                signupForm.find('input[name=account_name]').focus();
                signupForm.find('p.exists').hide('fast');
              } else {
                signupForm.find('input[name=password]').removeClass('ok').addClass('error');
                signupForm.find('input[name=first_name]').attr('disabled', false);
                signupForm.find('input[name=last_name]').attr('disabled', false);
                signupForm.find('p.exists').show('fast');
              }
            } else {
              signupForm.find('p.exists').show('fast');
            }
          }
        }
      });
    };

  }
});