<?php

/**
 * @file
 * Advanced aggregation bundler module.
 */

use Drupal\Core\Form\FormStateInterface;

/**
 * Implements hook_advagg_current_hooks_hash_array_alter().
 */
function advagg_bundler_advagg_current_hooks_hash_array_alter(&$aggregate_settings) {
  $aggregate_settings['variables']['advagg_bundler'] = \Drupal::config('advagg_bundler.settings')->get();
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function advagg_bundler_form_advagg_settings_alter(&$form, $form_state) {
  if (advagg_bundler_enabled()) {
    $form['global']['core_groups']['#disabled'] = TRUE;
    $form['global']['core_groups']['#description'] = t('The bundler submodule disables core grouping logic.');
    $form['global']['core_groups']['#states'] = [];
    $form['global']['core_groups']['#default_value'] = FALSE;
    array_unshift($form['#submit'], 'advagg_bundler_advagg_setting_form_submit');
  }
}

/**
 * Prevent the bundler config overrides from being saved into stored config.
 */
function advagg_bundler_advagg_setting_form_submit(array &$form, FormStateInterface &$form_state) {
  $form_state->setValue('core_groups', \Drupal::config('advagg.settings')->getOriginal('core_groups', FALSE));
}

/**
 * Returns TRUE if the bundler will run.
 *
 * @param string $type
 *   (optional) The type to check for - either 'css' or 'js'.
 */
function advagg_bundler_enabled($type = NULL) {
  $config = \Drupal::config('advagg_bundler.settings');
  if (!$config->get('active')) {
    return FALSE;
  }
  if ($type) {
    return $config->get('max_' . $type);
  }
  if ($config->get('max_css') || $config->get('max_js')) {
    return TRUE;
  }
}