<?php
/**
 * hold PhpMyAdmin\Twig\RelationExtension class
 *
 * @package PhpMyAdmin\Twig
 */
declare(strict_types=1);

namespace PhpMyAdmin\Twig;

use PhpMyAdmin\Relation;
use Twig\Extension\AbstractExtension;
use Twig\TwigFunction;

/**
 * Class RelationExtension
 *
 * @package PhpMyAdmin\Twig
 */
class RelationExtension extends AbstractExtension
{
    /**
     * Returns a list of functions to add to the existing list.
     *
     * @return TwigFunction[]
     */
    public function getFunctions()
    {
        $relation = new Relation($GLOBALS['dbi']);
        return [
            new TwigFunction(
                'foreign_dropdown',
                [
                    $relation,
                    'foreignDropdown',
                ],
                ['is_safe' => ['html']]
            ),
            new TwigFunction(
                'get_display_field',
                [
                    $relation,
                    'getDisplayField',
                ],
                ['is_safe' => ['html']]
            ),
            new TwigFunction(
                'get_foreign_data',
                [
                    $relation,
                    'getForeignData',
                ]
            ),
            new TwigFunction(
                'get_tables',
                [
                    $relation,
                    'getTables',
                ]
            ),
            new TwigFunction(
                'search_column_in_foreigners',
                [
                    $relation,
                    'searchColumnInForeigners',
                ]
            ),
        ];
    }
}
