<?php

declare(strict_types=1);

namespace Drupal\KernelTests\Core\TypedData;

use Drupal\Core\TypedData\DataDefinition;
use Drupal\Core\TypedData\MapDataDefinition;
use Drupal\KernelTests\KernelTestBase;
use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;

/**
 * Tests ComplexData validation with both valid and invalid values.
 */
#[Group('Validation')]
#[RunTestsInSeparateProcesses]
class ComplexDataConstraintValidatorTest extends KernelTestBase {

  /**
   * The typed data manager to use.
   *
   * @var \Drupal\Core\TypedData\TypedDataManager
   */
  protected $typedDataManager;

  /**
   * {@inheritdoc}
   */
  protected function setUp(): void {
    parent::setUp();
    $this->typedDataManager = $this->container->get('typed_data_manager');
  }

  /**
   * Tests the ComplexData validation constraint validator.
   *
   * For testing a map including a constraint on one of its keys is defined.
   */
  public function testValidation(): void {
    // Create a definition that specifies some ComplexData constraint.
    $definition = MapDataDefinition::create()
      ->setPropertyDefinition('key', DataDefinition::create('integer'))
      ->addConstraint('ComplexData', [
        'key' => [
          'AllowedValues' => [
            'choices' => [1, 2, 3],
          ],
        ],
      ]);

    // Test the validation.
    $typed_data = $this->typedDataManager->create($definition, ['key' => 1]);
    $violations = $typed_data->validate();
    $this->assertEquals(0, $violations->count(), 'Validation passed for correct value.');

    // Test the validation when an invalid value is passed.
    $typed_data = $this->typedDataManager->create($definition, ['key' => 4]);
    $violations = $typed_data->validate();
    $this->assertEquals(1, $violations->count(), 'Validation failed for incorrect value.');

    // Make sure the information provided by a violation is correct.
    $violation = $violations[0];
    $this->assertEquals('The value you selected is not a valid choice.', $violation->getMessage(), 'The message for invalid value is correct.');
    $this->assertEquals($typed_data, $violation->getRoot(), 'Violation root is correct.');
    $this->assertEquals(4, $violation->getInvalidValue(), 'The invalid value is set correctly in the violation.');

    // Test using the constraint with a map without the specified key. This
    // should be ignored as long as there is no NotNull or NotBlank constraint.
    $typed_data = $this->typedDataManager->create($definition, ['foo' => 'bar']);
    $violations = $typed_data->validate();
    $this->assertEquals(0, $violations->count(), 'Constraint on non-existing key is ignored.');

    $definition = MapDataDefinition::create()
      ->setPropertyDefinition('key', DataDefinition::create('integer'))
      ->addConstraint('ComplexData', [
        'key' => [
          'NotNull' => [],
        ],
      ]);

    $typed_data = $this->typedDataManager->create($definition, ['foo' => 'bar']);
    $violations = $typed_data->validate();
    $this->assertEquals(1, $violations->count(), 'Key is required.');
  }

}
