<?php

/**
 * @file
 * Install, update and uninstall functions for the symfony mailer module.
 */

use Drupal\filter\Entity\FilterFormat;
use Drupal\symfony_mailer\Entity\MailerPolicy;
use Drupal\symfony_mailer\Entity\MailerTransport;

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

  $packages = [
    'html2text/html2text' => 'Html2Text\Html2Text',
    'symfony/mailer' => 'Symfony\Component\Mailer\Mailer',
    'tijsverkoyen/css-to-inline-styles' => 'TijsVerkoyen\CssToInlineStyles\CssToInlineStyles',
  ];

  foreach ($packages as $name => $class) {
    if (!class_exists($class)) {
      $missing[] = $name;
    }
  }

  if (!empty($missing)) {
    $requirements['symfony_mailer_packages'] = [
      'title' => t('Symfony Mailer dependencies'),
      'value' => t('Required packages missing.'),
      'description' => ['#theme' => 'item_list', '#items' => $missing],
      'severity' => REQUIREMENT_ERROR,
    ];
  }

  return $requirements;
}

/**
 * Implements hook_install().
 */
function symfony_mailer_install($is_syncing) {
  if (!$is_syncing && \Drupal::moduleHandler()->moduleExists('swiftmailer')) {
    // Import transport settings.
    $settings = \Drupal::config('swiftmailer.transport')->get();

    // @phpstan-ignore constant.notFound
    if ($settings['transport'] == SWIFTMAILER_TRANSPORT_SMTP) {
      $config = [
        'user' => $settings['smtp_credentials']['swiftmailer']['username'],
        'pass' => $settings['smtp_credentials']['swiftmailer']['password'],
        'host' => $settings['smtp_host'],
        'port' => $settings['smtp_port'],
      ];

      $transport = MailerTransport::load('swiftmailer') ?? MailerTransport::create(['id' => 'swiftmailer']);
      $transport->setPluginId('smtp')
        ->set('label', 'Imported from swiftmailer')
        ->set('configuration', $config)
        ->setAsDefault()
        ->save();
    }
  }
}

/**
 * Update policy for multiple addresses.
 */
function symfony_mailer_update_10001() {
  $adjusters = [
    'email_bcc',
    'email_cc',
    'email_from',
    'email_to',
    'email_bcc',
    'email_reply_to',
  ];

  foreach (MailerPolicy::loadMultiple() as $policy) {
    $config = $policy->getConfiguration();
    foreach ($config as $id => &$values) {
      if (in_array($id, $adjusters) && !isset($values['addresses'])) {
        $values = ['addresses' => [$values]];
      }
    }
    $policy->setConfiguration($config)->save();
  }
}

/**
 * Create email_html text format.
 */
function symfony_mailer_update_10002() {
  $values = [
    'format' => 'email_html',
    'name' => 'Email HTML',
    'weight' => 10,
  ];

  FilterFormat::create($values)->save();
}

/**
 * Update body policy to add text format.
 */
function symfony_mailer_update_10003() {
  foreach (MailerPolicy::loadMultiple() as $policy) {
    $config = $policy->getConfiguration();
    if (isset($config['email_body']['value'])) {
      $config['email_body']['content'] = [
        'value' => $config['email_body']['value'],
        'format' => 'email_html',
      ];
      unset($config['email_body']['value']);
    }
    $policy->setConfiguration($config)->save();
  }
}

/**
 * Replace Native transport with Sendmail.
 */
function symfony_mailer_update_10004() {
  if ($native = MailerTransport::load('native')) {
    $native->delete();

    $values = [
      'id' => 'sendmail',
      'label' => 'Sendmail',
      'plugin' => 'sendmail',
      'configuration' => [
        'query' => ['command' > ''],
      ],
    ];
    MailerTransport::create($values)->save();
  }
}

/**
 * Update smtp transports with new query configuration.
 */
function symfony_mailer_update_10005() {
  foreach (MailerTransport::loadMultiple() as $transport) {
    if ($transport->getPlugin()->getPluginId() === 'smtp') {
      // Resave smtp transports so they get new default config entries.
      $transport->save();
    }
  }
}

/**
 * Add new "Wrap and convert" email policy element.
 */
function symfony_mailer_update_10006() {
  foreach (MailerPolicy::loadMultiple() as $policy) {
    $config = $policy->getConfiguration();
    if (isset($config['mailer_html_to_text'])) {
      $config['mailer_wrap_and_convert'] = [
        'plain' => FALSE,
        'swiftmailer' => FALSE,
      ];
      unset($config['mailer_html_to_text']);
      $policy->setConfiguration($config)->save();
    }
  }
}

/**
 * The "Default headers" email policy element is now automatic.
 */
function symfony_mailer_update_10007() {
  foreach (MailerPolicy::loadMultiple() as $policy) {
    $config = $policy->getConfiguration();
    if (isset($config['mailer_default_headers'])) {
      unset($config['mailer_default_headers']);
      $policy->setConfiguration($config)->save();
    }
  }
}

/**
 * Set initial values for override configuration.
 */
function symfony_mailer_update_10008() {
  $key_value = \Drupal::keyValue('mailer');
  $settings = [];
  foreach ($key_value->get('import', []) as $id => $state) {
    // Map IMPORT_COMPLETE (1) to STATE_IMPORTED (1) and everything else to
    // STATE_ENABLED (2).
    $settings[$id] = ($state == 1) ? 1 : 2;
  }

  // Entries will be missing from the list if they were ignored (never imported
  // or skipped). We can't know if other modules provided them, but that's
  // probably unlikely. We can know for the overrides in symfony_mailer_bc.
  if (\Drupal::service('module_handler')->moduleExists('symfony_mailer_bc')) {
    $previously_available = ['contact', 'contact_form', 'simplenews_newsletter', 'simplenews', 'update', 'user', 'user_registrationpassword'];
    $current_overrides = array_keys(\Drupal::service('symfony_mailer.override_manager')->getInfo());
    foreach (array_intersect($previously_available, $current_overrides) as $id) {
      // Was enabled.
      if (!array_key_exists($id, $settings)) {
        $settings[$id] = 2;
      }
    }
  }

  if (!empty($settings)) {
    \Drupal::configFactory()->getEditable('symfony_mailer.settings')
      ->set('override', $settings)
      ->save();
    $key_value->deleteAll();
  }
}

/**
 * Disable the obsolete module symfony_mailer_bc.
 */
function symfony_mailer_update_10009() {
  $module_installer = \Drupal::service('module_installer');
  $module_handler = \Drupal::service('module_handler');
  if ($module_handler->moduleExists('symfony_mailer_bc')) {
    $module_installer->uninstall(['symfony_mailer_bc'], FALSE);
  }
}

/**
 * Enable new dependency mailer_transport.
 */
function symfony_mailer_update_10010() {
  $module_installer = \Drupal::service('module_installer');
  $module_handler = \Drupal::service('module_handler');
  if (!$module_handler->moduleExists('mailer_transport')) {
    $module_installer->install(['mailer_transport']);
  }
}