<?php

declare(strict_types=1);

namespace Drupal\Tests\views\Kernel\Handler;

use Drupal\Tests\views\Kernel\ViewsKernelTestBase;
use Drupal\views\Views;

/**
 * Tests the combine filter handler.
 *
 * @group views
 * @group #slow
 *
 * @coversDefaultClass \Drupal\views\Plugin\views\filter\Combine
 */
class FilterCombineTest extends ViewsKernelTestBase {

  /**
   * {@inheritdoc}
   */
  protected static $modules = ['entity_test'];

  /**
   * Views used by this test.
   *
   * @var array
   */
  public static $testViews = ['test_view', 'entity_test_fields'];

  /**
   * Map column names.
   *
   * @var array
   */
  protected $columnMap = [
    'views_test_data_name' => 'name',
    'views_test_data_job' => 'job',
  ];

  /**
   * {@inheritdoc}
   */
  protected function setUp($import_test_views = TRUE): void {
    parent::setUp($import_test_views);

    $this->installEntitySchema('entity_test');
  }

  public function testFilterCombineContains(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'contains',
        'fields' => [
          'name',
          'job',
        ],
        'value' => 'iNg',
      ],
    ]);

    $this->executeView($view);
    $resultset = [
      [
        'name' => 'John',
        'job' => 'Singer',
      ],
      [
        'name' => 'George',
        'job' => 'Singer',
      ],
      [
        'name' => 'Ringo',
        'job' => 'Drummer',
      ],
      [
        'name' => 'Ginger',
        'job' => NULL,
      ],
    ];
    $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
  }

  /**
   * Tests the Combine field filter with the 'regular_expression' operator.
   */
  public function testFilterCombineRegEx(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'regular_expression',
        'fields' => [
          'name',
          'job',
        ],
        'value' => '(ing|write)',
      ],
    ]);

    $this->executeView($view);
    $resultset = [
      [
        'name' => 'John',
        'job' => 'Singer',
      ],
      [
        'name' => 'George',
        'job' => 'Singer',
      ],
      [
        'name' => 'Ringo',
        'job' => 'Drummer',
      ],
      [
        'name' => 'Paul',
        'job' => 'Songwriter',
      ],
      [
        'name' => 'Ginger',
        'job' => NULL,
      ],
    ];
    $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
  }

  /**
   * Tests the Combine field filter with the 'word' operator.
   */
  public function testFilterCombineWord(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'word',
        'fields' => [
          'name',
          'job',
        ],
        'value' => 'singer ringo',
      ],
    ]);

    $this->executeView($view);
    $resultset = [
      [
        'name' => 'John',
        'job' => 'Singer',
      ],
      [
        'name' => 'George',
        'job' => 'Singer',
      ],
      [
        'name' => 'Ringo',
        'job' => 'Drummer',
      ],
    ];
    $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
  }

  /**
   * Tests the Combine field filter with the 'allwords' operator.
   */
  public function testFilterCombineAllWords(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Set the filtering to allwords and simulate searching for a phrase.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'allwords',
        'fields' => [
          'name',
          'job',
          'age',
        ],
        'value' => '25 "john   singer"',
      ],
    ]);

    $this->executeView($view);
    $resultset = [
      [
        'name' => 'John',
        'job' => 'Singer',
      ],
    ];
    $this->assertIdenticalResultset($view, $resultset, $this->columnMap);

    // Confirm that the query with multiple filters used the "CONCAT_WS"
    // operator.
    $this->assertStringContainsString('CONCAT_WS(', (string) $view->query->query());
  }

  /**
   * Tests if the filter can handle removed fields.
   *
   * Tests the combined filter handler when a field overwrite is done
   * and fields set in the combine filter are removed from the display
   * but not from the combined filter settings.
   */
  public function testFilterCombineContainsFieldsOverwritten(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'contains',
        'fields' => [
          'name',
          'job',
          // Add a dummy field to the combined fields to simulate
          // a removed or deleted field.
          'dummy',
        ],
        'value' => 'ing',
      ],
    ]);

    $this->executeView($view);
    // Make sure this view will not get displayed.
    $this->assertTrue($view->build_info['fail'], "View build has been marked as failed.");
    // Make sure this view does not pass validation with the right error.
    $errors = $view->validate();
    $this->assertEquals('Field dummy set in Global: Combine fields filter is not set in display Default.', reset($errors['default']));
  }

  /**
   * Tests that the "combine" filter is only valid on displays that use fields.
   */
  public function testNonFieldsRow(): void {
    $view = Views::getView('entity_test_fields');
    $view->setDisplay();

    // Set the rows to a plugin type that doesn't support fields.
    $view->displayHandlers->get('default')->overrideOption('row', [
      'type' => 'entity:entity_test',
      'options' => [
        'view_mode' => 'teaser',
      ],
    ]);
    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'name' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'contains',
        'fields' => [
          'name',
        ],
        'value' => 'ing',
      ],
    ]);
    $this->executeView($view);
    $errors = $view->validate();
    // Check that the right error is shown.
    $this->assertEquals('Default: Global: Combine fields filter can only be used on displays that use fields. Set the style or row format for that display to one using fields to use the combine field filter.', reset($errors['default']));

    // Confirm that the query with single filter does not use the "CONCAT_WS"
    // operator.
    $this->assertStringNotContainsString('CONCAT_WS(', (string) $view->query->query());
  }

  /**
   * Tests the Combine field filter using the 'equal' operator.
   *
   * @covers ::opEqual
   */
  public function testFilterCombineEqual(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => '=',
        'fields' => [
          'job',
        ],
        'value' => 'sInger',
      ],
    ]);

    $this->executeView($view);
    $resultset = [
      [
        'name' => 'John',
        'job' => 'Singer',
      ],
      [
        'name' => 'George',
        'job' => 'Singer',
      ],
    ];
    $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
  }

  /**
   * Tests the Combine field filter using the 'not equal' operator.
   *
   * @covers ::opEqual
   */
  public function testFilterCombineNotEqual(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => '!=',
        'fields' => [
          'job',
        ],
        // The 'I' in 'sInger' is capitalized deliberately because we are
        // testing that search filters are case-insensitive.
        'value' => 'sInger',
      ],
    ]);

    $this->executeView($view);
    $result_set = [
      [
        'name' => 'Ringo',
        'job' => 'Drummer',
      ],
      [
        'name' => 'Paul',
        'job' => 'Songwriter',
      ],
      [
        'name' => 'Meredith',
        'job' => 'Speaker',
      ],
    ];
    $this->assertIdenticalResultset($view, $result_set, $this->columnMap);
  }

  /**
   * Tests the Combine field filter using the 'starts' operator.
   */
  public function testFilterCombineStarts(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'starts',
        'fields' => [
          'job',
        ],
        'value' => 'sIn',
      ],
    ]);

    $this->executeView($view);
    $resultset = [
      [
        'name' => 'John',
        'job' => 'Singer',
      ],
      [
        'name' => 'George',
        'job' => 'Singer',
      ],
    ];
    $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
  }

  /**
   * Tests the Combine field filter using the 'not_starts' operator.
   */
  public function testFilterCombineNotStarts(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'not_starts',
        'fields' => [
          'job',
        ],
        'value' => 'sIn',
      ],
    ]);

    $this->executeView($view);
    $resultset = [
      [
        'name' => 'Ringo',
        'job' => 'Drummer',
      ],
      [
        'name' => 'Paul',
        'job' => 'Songwriter',
      ],
      [
        'name' => 'Meredith',
        'job' => 'Speaker',
      ],
    ];
    $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
  }

  /**
   * Tests the Combine field filter using the 'ends' operator.
   */
  public function testFilterCombineEnds(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'ends',
        'fields' => [
          'job',
        ],
        'value' => 'Ger',
      ],
    ]);

    $this->executeView($view);
    $resultset = [
      [
        'name' => 'John',
        'job' => 'Singer',
      ],
      [
        'name' => 'George',
        'job' => 'Singer',
      ],
    ];
    $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
  }

  /**
   * Tests the Combine field filter using the 'not_ends' operator.
   */
  public function testFilterCombineNotEnds(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'not_ends',
        'fields' => [
          'job',
        ],
        'value' => 'Ger',
      ],
    ]);

    $this->executeView($view);
    $resultset = [
      [
        'name' => 'Ringo',
        'job' => 'Drummer',
      ],
      [
        'name' => 'Paul',
        'job' => 'Songwriter',
      ],
      [
        'name' => 'Meredith',
        'job' => 'Speaker',
      ],
    ];
    $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
  }

  /**
   * Tests the Combine field filter using the 'not' operator.
   */
  public function testFilterCombineNot(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'job' => [
        'id' => 'job',
        'table' => 'views_test_data',
        'field' => 'job',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'not',
        'fields' => [
          'job',
        ],
        'value' => 'singer',
      ],
    ]);

    $this->executeView($view);
    $resultset = [
      [
        'name' => 'Ringo',
        'job' => 'Drummer',
      ],
      [
        'name' => 'Paul',
        'job' => 'Songwriter',
      ],
      [
        'name' => 'Meredith',
        'job' => 'Speaker',
      ],
    ];
    $this->assertIdenticalResultset($view, $resultset, $this->columnMap);
  }

  /**
   * Tests the combine filter when no realName is used.
   */
  public function testFilterCombineNoRealName(): void {
    $view = Views::getView('test_view');
    $view->setDisplay();

    $fields = $view->displayHandlers->get('default')->getOption('fields');
    $view->displayHandlers->get('default')->overrideOption('fields', $fields + [
      'name_no_id' => [
        'id' => 'name_no_id',
        'table' => 'views_test_data',
        'field' => 'name_fail',
        'relationship' => 'none',
      ],
    ]);

    // Change the filtering.
    $view->displayHandlers->get('default')->overrideOption('filters', [
      'age' => [
        'id' => 'combine',
        'table' => 'views',
        'field' => 'combine',
        'relationship' => 'none',
        'operator' => 'contains',
        'fields' => [
          'name_no_id',
          'job',
        ],
        'value' => 'iNg',
      ],
    ]);

    $this->executeView($view);
    $resultset = [
      [
        'name' => 'John',
        'job' => 'Singer',
      ],
      [
        'name' => 'George',
        'job' => 'Singer',
      ],
      [
        'name' => 'Ringo',
        'job' => 'Drummer',
      ],
      [
        'name' => 'Ginger',
        'job' => NULL,
      ],
    ];
    $this->assertNotIdenticalResultset($view, $resultset, $this->columnMap);
  }

  /**
   * Additional data to test the NULL issue.
   */
  protected function dataSet() {
    $data_set = parent::dataSet();
    $data_set[] = [
      'name' => 'Ginger',
      'age' => 25,
      'job' => NULL,
      'created' => gmmktime(0, 0, 0, 1, 2, 2000),
      'status' => 1,
    ];
    return $data_set;
  }

  /**
   * Allow {views_test_data}.job to be NULL.
   *
   * @internal
   */
  protected function schemaDefinition() {
    $schema = parent::schemaDefinition();
    unset($schema['views_test_data']['fields']['job']['not null']);
    return $schema;
  }

}
