<?php

namespace Drupal\dds\Form;


use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;

class NoFollowForm extends ConfigFormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'dds_utilities_nofollow_form';
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      'dds.utilities.nofollow_settings'
    ];
  }

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

    $form = [
      'identical_paths' => [
        '#type' => 'checkbox',
        '#title' => $this->t('Identical nofollow and noindex paths.'),
        '#default_value' => $config->get('identical_paths'),
      ],
      'nofollow' => [
        '#type' => 'textarea',
        '#title' => $this->t('No follow'),
        '#description' => $this->t('List of paths which will have nofollow added to them. Enter one path per line. Must have a leading slash and no trailing slash, like so: <em>/user/login</em>.'),
        '#default_value' => $config->get('nofollow'),
        '#states' => [
          'visible' => [
            ':input[name="identical_paths"]' => ['checked' => FALSE],
          ]
        ]
      ],
      'noindex' => [
        '#type' => 'textarea',
        '#title' => $this->t('No index'),
        '#description' => $this->t('List of paths which will have noindex added to them. Enter one path per line. Must have a leading slash and no trailing slash, like so: <em>/user/login</em>.'),
        '#default_value' => $config->get('noindex'),
        '#states' => [
          'visible' => [
            ':input[name="identical_paths"]' => ['checked' => FALSE],
          ]
        ]
      ],
      'nofollow_noindex' => [
        '#type' => 'textarea',
        '#title' => $this->t('No follow and No index'),
        '#description' => $this->t('List of paths which will have nofollow and noindex added to them. Enter one path per line. Must have a leading slash and no trailing slash, like so: <em>/user/login</em>.'),
        '#default_value' => $config->get('nofollow_noindex'),
        '#states' => [
          'visible' => [
            ':input[name="identical_paths"]' => ['checked' => TRUE],
          ]
        ]
      ],
      'submit' => [
        '#type' => 'submit',
        '#value' => $this->t('Save'),
      ]
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->configFactory->getEditable('dds.utilities.nofollow_settings')
      ->set('identical_paths', $form_state->getValue('identical_paths'))
      ->set('nofollow', $form_state->getValue('nofollow'))
      ->set('noindex', $form_state->getValue('noindex'))
      ->set('nofollow_noindex', $form_state->getValue('nofollow_noindex'))
      ->save();

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