<?php
/**
 * @file
 * Contains \Drupal\hacked\Form\HackedSettingsForm.
 */

namespace Drupal\hacked\Form;

use Drupal\Component\Utility\Html;
use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Configure locale settings for this site.
 */
class HackedSettingsForm extends ConfigFormBase {
  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return ['hacked.settings'];
  }

  /**
   * {@inheritdoc}
   */
  public function getFormID() {
    return 'hacked_settings';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $config = $this->config('hacked.settings');

    $hashers = hacked_get_file_hashers();

    $form['selected_file_hasher'] = array(
      '#type' => 'details',
      '#title' => t('File hasher'),
      '#open' => TRUE,
    );

    $parents = array('selected_file_hasher');

    foreach ($hashers as $name => $hasher_info) {
      // Generate the parents as the autogenerator does, so we will have a
      // unique id for each radio button.
      $parents_for_id = array_merge($parents, array($name));
      $form['selected_file_hasher'][$name] = array(
        '#type' => 'radio',
        '#title' => $hasher_info['name'],
        '#default_value' => $config->get('selected_file_hasher'),
        '#return_value' => $name,
        '#parents' => $parents,
        '#description' => !empty($hasher_info['description']) ? $hasher_info['description'] : '',
        '#id' => Html::getId('edit-' . implode('-', $parents_for_id)),
      );
    }

    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    // Clear the Hacked! report cache.
//    cache_clear_all('hacked:full-report', HACKED_CACHE_TABLE);

    $values = $form_state->getValues();

    $config = $this->config('hacked.settings');
    $config->set('selected_file_hasher', $values['selected_file_hasher'])
      ->save();

    parent::submitForm($form, $form_state);
  }

}