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  <?php
namespace Drupal\webform_devel\Form;
use Drupal\Component\Utility\Variable;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\webform\Entity\Webform;
use Drupal\webform\Entity\WebformSubmission;
use Drupal\webform\WebformRequestInterface;
use Drupal\webform\WebformSubmissionForm;
use Drupal\webform\WebformSubmissionGenerateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
class WebformDevelSubmissionApiForm extends FormBase {
  
  protected $submissionStorage;
  
  protected $requestHandler;
  
  protected $generate;
  
  public function __construct(EntityTypeManagerInterface $entity_type_manager, WebformRequestInterface $request_handler, WebformSubmissionGenerateInterface $submission_generate) {
    $this->submissionStorage = $entity_type_manager
      ->getStorage('webform_submission');
    $this->requestHandler = $request_handler;
    $this->generate = $submission_generate;
  }
  
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity_type.manager'), $container
      ->get('webform.request'), $container
      ->get('webform_submission.generate'));
  }
  
  public function getFormId() {
    return 'webform_devel_submission_api_form';
  }
  
  public function buildForm(array $form, FormStateInterface $form_state) {
    
    
    list($webform, $source_entity) = $this->requestHandler
      ->getWebformEntities();
    $values = [];
    
    $values['webform_id'] = $webform
      ->id();
    
    if ($source_entity) {
      $values['entity_type'] = $source_entity
        ->getEntityTypeId();
      $values['entity_id'] = $source_entity
        ->id();
    }
    WebformSubmission::preCreate($this->submissionStorage, $values);
    
    unset($values['data']);
    $values['data'] = $this->generate
      ->getData($webform);
    $form['submission'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Submission values'),
      '#open' => TRUE,
    ];
    $form['submission']['message'] = [
      '#type' => 'webform_message',
      '#message_message' => $this
        ->t("Submitting the below values will trigger the %title webform's ::validateFormValues() and ::submitFormValues() callbacks.", [
        '%title' => $webform
          ->label(),
      ]),
      '#message_type' => 'warning',
    ];
    $form['submission']['values'] = [
      '#type' => 'webform_codemirror',
      '#mode' => 'yaml',
      '#title' => $this
        ->t('Values'),
      '#title_display' => 'hidden',
      '#default_value' => $values,
    ];
    $form['php'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('PHP usage'),
      '#description' => $this
        ->t('Below is an example of how to programatically validate and submit a webform submission using PHP.'),
    ];
    $form['php']['code'] = [
      '#type' => 'webform_codemirror',
      '#mode' => 'php',
      '#title' => $this
        ->t('PHP'),
      '#title_display' => 'hidden',
      '#attributes' => [
        'readonly' => 'readonly',
        'disabled' => 'disabled',
      ],
      '#default_value' => '
// Get submission values and data.
$values = ' . Variable::export($values) . ';
// Check that the webform is open.
$webform = \\Drupal\\webform\\entity\\Webform::load(\'' . $webform
        ->id() . '\');
$is_open = \\Drupal\\webform\\WebformSubmissionForm::isOpen($webform);
if ($is_open === TRUE) {
  // Validate webform submission values.
  $errors = \\Drupal\\webform\\WebformSubmissionForm::validateFormValues($values);
  // Submit webform submission values.
  if (empty($errors)) {
    $webform_submission = \\Drupal\\webform\\WebformSubmissionForm::submitFormValues($values);
  }
}',
    ];
    $form['actions'] = [];
    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Submit'),
    ];
    return $form;
  }
  
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $values = $form_state
      ->getValue('values');
    
    $webform = Webform::load($values['webform_id']);
    if (!$webform) {
      $form_state
        ->setErrorByName('values', $this
        ->t('Webform %webform_id not found.', [
        '%webform_id' => $values['webform_id'],
      ]));
      return;
    }
    $is_open = WebformSubmissionForm::isOpen($webform);
    if ($is_open !== TRUE) {
      $form_state
        ->setErrorByName('values', $is_open);
    }
    
    if ($errors = WebformSubmissionForm::validateFormValues($values)) {
      foreach ($errors as $error) {
        $form_state
          ->setErrorByName('values', $error);
      }
    }
  }
  
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $values = $form_state
      ->getValue('values');
    $webform_submission = WebformSubmissionForm::submitFormValues($values);
    $this
      ->messenger()
      ->addStatus($this
      ->t('New submission %title added.', [
      '%title' => $webform_submission
        ->label(),
    ]));
  }
}