<?php

namespace Drupal\field\Tests\Email;

use Drupal\Component\Utility\Unicode;
use Drupal\entity_test\Entity\EntityTest;
use Drupal\field\Entity\FieldConfig;
use Drupal\simpletest\WebTestBase;
use Drupal\field\Entity\FieldStorageConfig;

/**
 * Tests email field functionality.
 *
 * @group field
 */
class EmailFieldTest extends WebTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = ['node', 'entity_test', 'field_ui'];

  /**
   * A field storage to use in this test class.
   *
   * @var \Drupal\field\Entity\FieldStorageConfig
   */
  protected $fieldStorage;

  /**
   * The field used in this test class.
   *
   * @var \Drupal\field\Entity\FieldConfig
   */
  protected $field;

  protected function setUp() {
    parent::setUp();

    $this->drupalLogin($this->drupalCreateUser([
      'view test entity',
      'administer entity_test content',
      'administer content types',
    ]));
  }

  /**
   * Tests email field.
   */
  public function testEmailField() {
    // Create a field with settings to validate.
    $field_name = Unicode::strtolower($this->randomMachineName());
    $this->fieldStorage = FieldStorageConfig::create([
      'field_name' => $field_name,
      'entity_type' => 'entity_test',
      'type' => 'email',
    ]);
    $this->fieldStorage->save();
    $this->field = FieldConfig::create([
      'field_storage' => $this->fieldStorage,
      'bundle' => 'entity_test',
    ]);
    $this->field->save();

    // Create a form display for the default form mode.
    entity_get_form_display('entity_test', 'entity_test', 'default')
      ->setComponent($field_name, [
        'type' => 'email_default',
        'settings' => [
          'placeholder' => 'example@example.com',
        ],
      ])
      ->save();
    // Create a display for the full view mode.
    entity_get_display('entity_test', 'entity_test', 'full')
      ->setComponent($field_name, [
        'type' => 'email_mailto',
      ])
      ->save();

    // Display creation form.
    $this->drupalGet('entity_test/add');
    $this->assertFieldByName("{$field_name}[0][value]", '', 'Widget found.');
    $this->assertRaw('placeholder="example@example.com"');

    // Submit a valid email address and ensure it is accepted.
    $value = 'test@example.com';
    $edit = [
      "{$field_name}[0][value]" => $value,
    ];
    $this->drupalPostForm(NULL, $edit, t('Save'));
    preg_match('|entity_test/manage/(\d+)|', $this->url, $match);
    $id = $match[1];
    $this->assertText(t('entity_test @id has been created.', ['@id' => $id]));
    $this->assertRaw($value);

    // Verify that a mailto link is displayed.
    $entity = EntityTest::load($id);
    $display = entity_get_display($entity->getEntityTypeId(), $entity->bundle(), 'full');
    $content = $display->build($entity);
    $this->setRawContent(\Drupal::service('renderer')->renderRoot($content));
    $this->assertLinkByHref('mailto:test@example.com');
  }

}