<?php

/**
 * @file
 * Credit card payment
 */


/**
 * Implements hook_commerce_payment_method_info().
 */
function commerce_payment_credit_card_commerce_payment_method_info() {
  $payment_methods = array();

  $payment_methods['commerce_payment_credit_card'] = array(
    'title' => t('Credit Card'),
    'description' => t('Credit card payment type'),
    'active' => TRUE,
  );

  return $payment_methods;
}

/**
 * Payment method callback: submit form.
 */


function commerce_payment_credit_card_submit_form($payment_method, $pane_values, $checkout_pane, $order) {
  $form = array();

  // Merge in values from the order.
  if (!empty($order->data['commerce_payment_credit_card'])) {
    $pane_values += $order->data['commerce_payment_credit_card'];
  }

  // Merge in default values.
  $pane_values += array(
    'credit_card' => '',
  );


$form['card_on_file'] = array(
  '#type' => 'entityreference',
  '#title' => t('Credit Card'),
  '#era_entity_type' => 'node',  // Mandatory.
  '#era_bundles' => array(credit_card), // Optional (Any bundle by default).
  '#era_cardinality' => 5,       // Optional (1 By default).
  '#required' => TRUE,
  );

  return $form;

}



/**
 * Payment method callback: submit form submission.
 */
function commerce_payment_credit_card_submit_form_submit($payment_method, $pane_form, $pane_values, $order, $charge) {

  $order->data['commerce_payment_credit_card'] = $pane_values;

  commerce_payment_credit_card_transaction($payment_method, $order, $charge, $pane_values['card_on_file']);
}

/**
 * Creates an example payment transaction for the specified charge amount.
 *
 * @param $payment_method
 *   The payment method instance object used to charge this payment.
 * @param $order
 *   The order object the payment applies to.
 * @param $charge
 *   An array indicating the amount and currency code to charge.
 * @param $card_on_file
 *   The card entered on the submission form.
 */
function commerce_payment_credit_card_transaction($payment_method, $order, $charge, $card_on_file) {
  $transaction = commerce_payment_transaction_new('commerce_payment_credit_card', $order->order_id);
  $transaction->instance_id = $payment_method['instance_id'];
  $transaction->amount = $charge['amount'];
  $transaction->currency_code = $charge['currency_code'];
  $transaction->status = COMMERCE_PAYMENT_STATUS_SUCCESS;
  $transaction->message = t('@card_on_file');
  $transaction->message_variables = array('@card_on_file' => $card_on_file);

  commerce_payment_transaction_save($transaction);
}