<?php

/**
 * @file
 * Install, update and uninstall functions for the Mailchimp Module.
 */

/**
 * Implements hook_requirements().
 */
function mailchimp_requirements($phase) {
  $requirements = [
    'mailchimp' => [
      'title' => t('Mailchimp'),
    ],
  ];

  if ($phase == 'runtime') {
    $config = \Drupal::config('mailchimp.settings');

    // Check for Mailchimp library.
    if (class_exists($config->get('api_classname'))) {
      $requirements['mailchimp']['description'] = t('The Mailchimp MCAPI wrapper library is installed correctly.');
      $requirements['mailchimp']['severity'] = REQUIREMENT_OK;
    }
    else {
      $requirements['mailchimp']['description'] = t('The Mailchimp MCAPI wrapper library has not been installed correctly.');
      $requirements['mailchimp']['severity'] = REQUIREMENT_ERROR;
    }
  }

  return $requirements;
}

/**
 * Implements hook_uninstall().
 */
function mailchimp_uninstall() {
  $queue = \Drupal::queue(MAILCHIMP_QUEUE_CRON);
  $queue->deleteQueue();
  \Drupal::state()->deleteMultiple([
    'mailchimp_access_token',
    'mailchimp_data_center',
  ]);
}

/**
 * Update the class name in configuration.
 */
function mailchimp_update_8001(&$sandbox) {
  $config = \Drupal::configFactory()->getEditable('mailchimp.settings');
  $config->set('api_classname', 'Mailchimp\Mailchimp');
  $config->save();
}

/**
 * Update to add a configurable timeout period for the API.
 */
function mailchimp_update_8002(&$sandbox) {
  $config = \Drupal::configFactory()->getEditable('mailchimp.settings');
  $config->set('api_timeout', 10);
  $config->save();
}

/**
 * Update to add a configurable message for double opt-in.
 */
function mailchimp_update_8003(&$sandbox) {
  $config = \Drupal::configFactory()->getEditable('mailchimp.settings');
  if (!isset($config->getRawData()['optin_check_email_msg'])) {
    $config->set('optin_check_email_msg', 'Please check your email to confirm your subscription.');
    $config->save();
  }
}

/**
 * Adds oauth middleware url.
 */
function mailchimp_update_8004(&$sandbox) {
  $config = \Drupal::configFactory()->getEditable('mailchimp.settings');
  $config->set('oauth_middleware_url', 'https://drupal-mailchimp-oauth.uw.r.appspot.com');
  $config->save();
}

/**
 * Removes oauth middleware url.
 */
function mailchimp_update_8005(&$sandbox) {
  $config = \Drupal::configFactory()->getEditable('mailchimp.settings');
  $config->clear('oauth_middleware_url');
  $config->save();
}