<?php

/**
 * Implements hook_cron().
 */
function wisski_cloud_account_manager_cron() {
  $time_limit = \Drupal::time()->getRequestTime() - 24 * 60 * 60;

  $ids = \Drupal::entityQuery('user')
    ->condition('status', 0)
    ->condition('created', $time_limit, '<')
    ->accessCheck(TRUE)
    ->execute();

  // Delete rows from the wisski_cloud_account_manager table.
  $connection = \Drupal::database();

  $wisskiCloudUsers = $connection->select('wisski_cloud_account_manager', 'wcam')
    ->fields('wcam', ['uid'])
    ->condition('uid', $ids, 'IN')
    ->execute()
    ->fetchAll();

  $ids = array_map(function($wisskiCloudUser) {
    return $wisskiCloudUser->uid;
  }, $wisskiCloudUsers);

  if (empty($ids)) {
    return;
  }

  \Drupal::logger('wisski_cloud_account_manager')->notice('Deleting users, who missed the validation: @ids', ['@ids' => implode(', ', $ids)]);
  $connection->delete('wisski_cloud_account_manager')
    ->condition('uid', $ids, 'IN')
    ->execute();

  $storage_handler = \Drupal::entityTypeManager()->getStorage('user');
  $entities = $storage_handler->loadMultiple($ids);
  $storage_handler->delete($entities);

}

/**
 * Implements hook_help().
 */
function wisski_cloud_account_manager_help($route_name, \Drupal\Core\Routing\RouteMatchInterface $route_match) {
  $output = '';

  switch ($route_name) {
    case 'help.page.wisski_cloud_account_manager':
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('This module provides the functionality to create, validate and manage WissKI Cloud accounts.') . '</p>';

      $output .= '<h3>' . t('Configuration') . '</h3>';
      $output .= '<p>' . t('Configuration is done on the <a href="@settingsPage" targer="_blank">settings page</a>.', ['@settingsPage' => '/admin/config/wisski-cloud-account-manager/settings']) . '</p>';

      $output .= '<h3>' . t('Create WissKI Cloud Account') . '</h3>';
      $output .= '<p>' . t('<a href="@createPage" targer="_blank">This page</a> allows you to create a WissKI Cloud account.', ['@createPage' => '/wisski-cloud-account-manager/create']) . '</p>';

      $output .= '<h3>' . t('Validate WissKI Cloud Account') . '</h3>';
      $output .= '<p>' . t('<a href="@validationPage" targer="_blank">This page</a> allows you to validate your account and check the status of the provision.', ['@validationPage' => '/wisski-cloud-account-manager/validate/GsyMv5DdFhPCixL1wTLZhzFg7sVDOiHq']) . '</p>';
      break;
  }
  return $output;
}


/**
 * Implements hook_mail().
 */
function wisski_cloud_account_manager_mail($key, &$message, $params) {
  $options = [
    'langcode' => $message['langcode'],
  ];
  switch ($key) {
    case 'wisski_cloud_account_validation':
      $message['from'] = \Drupal::config('system.site')->get('mail');
      $message['subject'] = t('@subject', ['@subject' => $params['subject']], $options);
      $message['body'][] = $params['message'];

      $headers = [
        'Content-Type' => 'text/html; charset=UTF-8; format=flowed',
        'MIME-Version' => '1.0',
        'Content-Transfer-Encoding' => '8Bit',
        'X-Mailer' => 'Drupal',
      ];

      $message['headers'] = $headers;

      break;
  }
}

/**
 * Implements hook_theme().
 */
function wisski_cloud_account_manager_theme($existing, $type, $theme, $path) {
  return [
    'wisski_cloud_account_manager_terms_and_conditions_page' => [
      'variables' => ['date' => NULL],
    ],
    'wisski_cloud_account_manager_account_managing_page' => [
      'variables' => [
        'accounts' => NULL,
        'healthCheck' => NULL,],
    ],
    'wisski_cloud_account_manager_validation_page' => [
      'variables' => ['account' => NULL],
    ],
    'wisski_cloud_account_manager_health_check_page' => [
      'variables' => ['healthCheck' => NULL],
    ],
    'wisski_cloud_account_manager_validation_email' => [
      'variables' => [
        'personName' => NULL,
        'validationLink' => NULL,
      ],
    ],
  ];
}