{% extends "base/class.php.twig" %}

{% block file_path %}
\Drupal\{{module_name}}\Form\{{ class_name }}.
{% endblock %}

{% block namespace_class %}
namespace Drupal\{{module_name}}\Form;
{% endblock %}

{% block use_class %}
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
{% if services is not empty %}
use Symfony\Component\DependencyInjection\ContainerInterface;
{% endif %}
{% endblock %}

{% block use_class_services %}
{% endblock %}

{% block class_declaration %}
/**
 * Class {{ class_name }}.
 */
class {{ class_name }} extends FormBase {% endblock %}

{% block class_create %}
{% if services is not empty %}
  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    $instance = parent::create($container);
{{ serviceClassInjectionNoOverride(services) }}
    return $instance;
  }

{% endif %}
{% endblock %}

{% block class_methods %}
  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return '{{form_id}}';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
{% for input in inputs %}
{% if input.fieldset is defined and input.fieldset|length %}
    $form['{{ input.fieldset }}']['{{ input.name }}'] = [
{% else %}
    $form['{{ input.name }}'] = [
{% endif %}
      '#type' => '{{ input.type }}',
      '#title' => $this->t('{{ input.label|e }}'),
{% if input.description is defined and input.description|length %}
      '#description' => $this->t('{{ input.description|e }}'),
{% endif %}
{% if input.options is defined and input.options|length %}
      '#options' => {{ input.options }},
{% endif %}
{% if input.maxlength is defined and input.maxlength|length %}
      '#maxlength' => {{ input.maxlength }},
{% endif %}
{% if input.size is defined and input.size|length %}
      '#size' => {{ input.size }},
{% endif %}
{% if input.default_value is defined and input.default_value|length %}
      '#default_value' => '{{ input.default_value }}',
{% endif %}
{% if input.weight is defined and input.weight|length %}
      '#weight' => '{{ input.weight }}',
{% endif %}
    ];
{% endfor %}
    $form['submit'] = [
      '#type' => 'submit',
      '#value' => $this->t('Submit'),
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    foreach ($form_state->getValues() as $key => $value) {
      // @TODO: Validate fields.
    }
    parent::validateForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    // Display result.
    foreach ($form_state->getValues() as $key => $value) {
{% if 'messenger' in services|keys %}
      $this->messenger->addMessage($key . ': ' . ($key === 'text_format'?$value['value']:$value));
{% else %}
      \Drupal::messenger()->addMessage($key . ': ' . ($key === 'text_format'?$value['value']:$value));
{% endif %}
    }
  }
{% endblock %}