/**
 * Implements hook_form_FORM_ID_alter().
 */
function commerce_paypal_wps_form_commerce_checkout_form_alter(&$form, &$form_state) {
  // If this checkout form contains the payment method radios...
  if (!empty($form['commerce_payment']['payment_method']['#options'])) {
    // Loop over its options array looking for a PayPal WPS option.
    foreach ($form['commerce_payment']['payment_method']['#options'] as $key => &$value) {
      list($method_id, $rule_name) = explode('|', $key);

      // If we find PayPal WPS...
      if ($method_id == 'paypal_wps') {

      unset($form['commerce_payment']['payment_methods']['#value']['paypal_wps|commerce_payment_paypal_wps']);
      unset($form['commerce_payment']['payment_method']['#options']['paypal_wps|commerce_payment_paypal_wps']);
      $form['commerce_payment']['payment_method']['#default_value'] = "paypal_wps|rules_paypal";

//        // Prepare the replacement radio button text with icons.
//        $icons = commerce_paypal_icons();
//        $value = t('!logo PayPal - pay securely without sharing your financial information', array('!logo' => $icons['paypal']));
//        $value .= '<div class="commerce-paypal-icons"><span class="label">' . t('Includes:') . '</span>' . implode(' ', $icons) . '</div>';
//
//        // Add the CSS.
//        $form['commerce_payment']['payment_method']['#attached']['css'][] = drupal_get_path('module', 'commerce_paypal_wps') . '/theme/commerce_paypal_wps.theme.css';
//
//        break;
      }
    }
  }
}