<?php

namespace Drupal\Tests\image\Kernel\Migrate\d7;

use Drupal\image\Entity\ImageStyle;
use Drupal\image\ImageStyleInterface;
use Drupal\image\ImageEffectBase;
use Drupal\Tests\migrate_drupal\Kernel\d7\MigrateDrupal7TestBase;

/**
 * Test image styles migration to config entities.
 *
 * @group image
 */
class MigrateImageStylesTest extends MigrateDrupal7TestBase {

  /**
   * {@inheritdoc}
   */
  public static $modules = ['image'];

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
    $this->installConfig(static::$modules);
    $this->executeMigration('d7_image_styles');
  }

  /**
   * Test the image styles migration.
   */
  public function testImageStylesMigration() {
    $this->assertEntity('custom_image_style_1', "Custom image style 1", ['image_scale_and_crop', 'image_desaturate'], [['width' => 55, 'height' => 55, 'anchor' => 'center-center'], []]);
    $this->assertEntity('custom_image_style_2', "Custom image style 2", ['image_resize', 'image_rotate'], [['width' => 55, 'height' => 100], ['degrees' => 45, 'bgcolor' => '#FFFFFF', 'random' => FALSE]]);
    $this->assertEntity('custom_image_style_3', "Custom image style 3", ['image_scale', 'image_crop'], [['width' => 150, 'height' => NULL, 'upscale' => FALSE], ['width' => 50, 'height' => 50, 'anchor' => 'left-top']]);
  }

  /**
   * Asserts various aspects of an ImageStyle entity.
   *
   * @param string $id
   *   The expected image style ID.
   * @param string $label
   *   The expected image style label.
   * @param array $expected_effect_plugins
   *   An array of expected plugins attached to the image style entity
   * @param array $expected_effect_config
   *   An array of expected configuration for each effect in the image style
   */
  protected function assertEntity($id, $label, array $expected_effect_plugins, array $expected_effect_config) {
    $style = ImageStyle::load($id);
    $this->assertTrue($style instanceof ImageStyleInterface);
    /** @var \Drupal\image\ImageStyleInterface $style */
    $this->assertIdentical($id, $style->id());
    $this->assertIdentical($label, $style->label());

    // Check the number of effects associated with the style.
    $effects = $style->getEffects();
    $this->assertIdentical(count($effects), count($expected_effect_plugins));

    $index = 0;
    foreach ($effects as $effect) {
      $this->assertTrue($effect instanceof ImageEffectBase);
      $this->assertIdentical($expected_effect_plugins[$index], $effect->getPluginId());
      $config = $effect->getConfiguration();
      $this->assertIdentical($expected_effect_config[$index], $config['data']);
      $index++;
    }
  }

}
