<?php

/**
 * @file
 * Installation file for Google Analytics module.
 */

use Drupal\Core\Url;
use Drupal\user\Entity\Role;

/**
 * Implements hook_install().
 */
function google_analytics_install() {
  // Make the default install more user and GDPR friendly.
  $role = Role::load('authenticated');
  $role->grantPermission('opt-in or out of google analytics tracking');
  $success = $role->save();
  if ($success) {
    $messenger = \Drupal::messenger();
    $messenger->addMessage(t('Module %module granted %permission permission to authenticated users.', ['%module' => 'Google Analytics', '%permission' => t('Opt-in or out of tracking')]), 'status');
  }
}

/**
 * Implements hook_uninstall().
 *
 * Remove cache directory if module is uninstalled.
 */
function google_analytics_uninstall() {
  $javascript_service = \Drupal::service('google_analytics.javascript_cache');
  $javascript_service->clearGoogleAnalyticsJsCache();
}

/**
 * Implements hook_requirements().
 */
function google_analytics_requirements($phase) {
  $requirements = [];

  if ($phase == 'runtime') {
    $config = \Drupal::config('google_analytics.settings');
    $ga_accounts = \Drupal::service('google_analytics.accounts');

    // Raise warning if Google user account has not been set yet.
    if (!$ga_accounts->getDefaultMeasurementId()) {
      $requirements['google_analytics_account'] = [
        'title' => t('Google Analytics module'),
        'description' => t('Google Analytics module has not been configured yet. Please configure its settings from the <a href=":url">Google Analytics settings page</a>.', [':url' => Url::fromRoute('google_analytics.admin_settings_form')->toString()]),
        'severity' => REQUIREMENT_WARNING,
        'value' => t('Not configured'),
      ];
    }
    // Raise warning if debugging is enabled.
    if ($config->get('debug')) {
      $requirements['google_analytics_debugging'] = [
        'title' => t('Google Analytics module'),
        'description' => t('Google Analytics module has debugging enabled. Please disable debugging setting in production sites from the <a href=":url">Google Analytics settings page</a>.', [':url' => Url::fromRoute('google_analytics.admin_settings_form')->toString()]),
        'severity' => REQUIREMENT_WARNING,
        'value' => t('Debugging enabled'),
      ];
    }

    // Raise warning if php code is being used.
    if ($config->get('visibility.request_path_mode') && $config->get('visibility.request_path_mode') === '2') {
      $requirements['google_analytics_php'] = [
        'title' => t('Google Analytics module'),
        'description' => t('Using PHP code in Google Analytics is deprecated and not available in Drupal 9. You must move your logic into a custom module, and change the <a href=":url">Page Visibility settings</a> to suppress this message.', [':url' => Url::fromRoute('google_analytics.admin_settings_form')->toString()]),
        'severity' => REQUIREMENT_ERROR,
        'value' => t('PHP code exists'),
      ];
    }
  }

  return $requirements;
}

/**
 * Migrate create only fields to gtag.js parameters.
 */
function google_analytics_update_8300() {
  $config = \Drupal::configFactory()->getEditable('google_analytics.settings');
  $create_only_fields = $config->get('codesnippet.create');
  $parameters = [
    'client_id' => $create_only_fields['clientId'],
    'cookie_name' => $create_only_fields['cookieName'],
    'cookie_domain' => $create_only_fields['cookieDomain'],
    'cookie_expires' => $create_only_fields['cookieExpires'],
    'sample_rate' => $create_only_fields['sampleRate'],
    'site_speed_sample_rate' => $create_only_fields['siteSpeedSampleRate'],
    'use_amp_client_id' => $create_only_fields['useAmpClientId'],
    'user_id' => $create_only_fields['userId'],
  ];
  $parameters = array_filter($parameters);

  $config
    ->set('codesnippet.create', $parameters)
    ->save();

  return t('Migrated create only fields to gtag.js parameters.');
}

/**
 * Set default config for tel: link tracking.
 */
function google_analytics_update_8301() {
  \Drupal::configFactory()
    ->getEditable('google_analytics.settings')
    ->set('track.tel', TRUE)
    ->save();
}

/**
 * Update existing custom dimensions and metrics to user parameters.
 */
function google_analytics_update_8400() {
  $config = \Drupal::configFactory()->getEditable('google_analytics.settings');
  $custom_parameters = [];
  $custom_dimensions = $config->getOriginal('custom.dimension');
  $custom_metrics = $config->getOriginal('custom.metric');

  // Merge Dimensions
  if (!empty($custom_dimensions)) {
    foreach ($custom_dimensions as $key => $dimension) {
      $custom_parameters['dimension' . $key]['type'] = 'dimension';
      $custom_parameters['dimension' . $key]['name'] = $dimension['name'];
      $custom_parameters['dimension' . $key]['value'] = $dimension['value'];
    }
  }

  // Merge Metrics
  if (!empty($custom_metrics)) {
    foreach ($custom_metrics as $key => $metric) {
      $custom_parameters['metric' . $key]['type'] = 'metric';
      $custom_parameters['metric' . $key]['name'] = $metric['name'];
      $custom_parameters['metric' . $key]['value'] = $metric['value'];
    }
  }

  if (!empty($custom_parameters)) {
    $config->set('custom.parameters', $custom_parameters);
  }
  // Remove the legacy settings.
  $config->clear('custom.metric');
  $config->clear('custom.dimension');

  // Save the settings
  $config->save();
}

/**
 * Drop obsolete config items "ua_legacy" and "premium" from active config.
 */
function google_analytics_update_8401() {
  \Drupal::configFactory()
    ->getEditable('google_analytics.settings')
    ->clear('premium')
    ->clear('ua_legacy')
    ->save();
}