<?php

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

use Drupal\Component\Uuid\Uuid;

/**
 * Implements hook_install().
 */
function menu_install() {
  // Add a link for each custom menu.
  \Drupal::service('router.builder')->rebuild();
  menu_router_rebuild();
  $system_link = entity_load_multiple_by_properties('menu_link', array('link_path' => 'admin/structure/menu', 'module' => 'system'));
  $system_link = reset($system_link);

  $base_link = entity_create('menu_link', array(
    'menu_name' => $system_link->menu_name,
    'router_path' => 'admin/structure/menu/manage/%',
    'module' => 'menu',
  ));

  $menus = entity_load_multiple('menu');
  foreach ($menus as $menu) {
    $link = $base_link->createDuplicate();
    $link->plid = $system_link->id();
    $link->link_title = $menu->label();
    $link->link_path = 'admin/structure/menu/manage/' . $menu->id();

    $query = \Drupal::entityQuery('menu_link')
      ->condition('link_path', $link->link_path)
      ->condition('plid', $link->plid);
    $result = $query->execute();

    if (empty($result)) {
      $link->save();
    }
  }
  menu_cache_clear_all();

  if (\Drupal::moduleHandler()->moduleExists('node')) {
    $node_types = array_keys(node_type_get_names());
    foreach ($node_types as $type_id) {
      \Drupal::config('menu.entity.node.' . $type_id)
        ->set('available_menus', array('main'))
        ->set('parent', 'main:0')
        ->save();
    }
  }
}

/**
 * Implements hook_uninstall().
 */
function menu_uninstall() {
  menu_router_rebuild();
}

/**
 * Moves menu settings from variables to config.
 *
 * @ingroup config_upgrade
 */
function menu_update_8000() {
  update_variables_to_config('menu.settings', array(
    'menu_main_links_source' => 'main_links',
    'menu_secondary_links_source' => 'secondary_links',
  ));
}

/**
 * Rename default menu names.
 */
function menu_update_8001() {
  // Only the internal identifiers are updated; the labels and descriptions
  // might have been customized and do not have to be renamed.
  $map = array(
    'navigation' => 'tools',
    'management' => 'admin',
    'user-menu' => 'account',
    'main-menu' => 'main',
  );
  foreach ($map as $old => $new) {
    db_update('menu_custom')
      ->condition('menu_name', $old)
      ->fields(array('menu_name' => $new))
      ->execute();
  }
}

/**
 * Adds the footer menu to custom menus.
 */
function menu_update_8002() {
  db_insert('menu_custom')
    ->fields(array(
      'menu_name' => 'footer',
      'title' => 'Footer menu',
      'description' => 'Use this for linking to site information.',
    ))
    ->execute();
}

/**
 * Moves menu_override_parent_selector from variables to config.
 *
 * @ingroup config_upgrade
 */
function menu_update_8003() {
  update_variables_to_config('menu.settings', array(
    'menu_override_parent_selector' => 'override_parent_selector',
  ));
}

/**
 * Migrate menus into configuration.
 *
 * @ingroup config_upgrade
 */
function menu_update_8004() {
  $uuid = \Drupal::service('uuid');
  $result = db_query('SELECT * FROM {menu_custom}');
  foreach ($result as $menu) {
    // Save the config object.
    \Drupal::config('system.menu.' . $menu->menu_name)
      ->set('id', $menu->menu_name)
      ->set('uuid', $uuid->generate())
      ->set('label', $menu->title)
      ->set('description', $menu->description)
      ->save();
  }
}

/**
 * Ensure menu settings exist for all node types.
 *
 * @ingroup config_upgrade
 */
function menu_update_8005() {
  if (\Drupal::moduleHandler()->moduleExists('node')) {
    $node_types = array_keys(node_type_get_names());
    foreach ($node_types as $type_id) {
      $menu_settings = \Drupal::config("menu.entity.node.$type_id");
      if ($menu_settings->isNew()) {
        $menu_settings
          ->set('available_menus', array('main'))
          ->set('parent', 'main:0')
          ->save();
      }
    }
  }
}