<?php declare(strict_types=1);

/*

 * This file is part of PHPUnit.

 *

 * (c) Sebastian Bergmann <sebastian@phpunit.de>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace PHPUnit\Util\Xml;



use function sprintf;

use function trim;



/**

 * @internal This class is not covered by the backward compatibility promise for PHPUnit

 *

 * @psalm-immutable

 */

final class ValidationResult

{

    /**

     * @psalm-var array<int,list<string>>

     */

    private $validationErrors = [];



    /**

     * @psalm-param array<int,\LibXMLError> $errors

     */

    public static function fromArray(array $errors): self

    {

        $validationErrors = [];



        foreach ($errors as $error) {

            if (!isset($validationErrors[$error->line])) {

                $validationErrors[$error->line] = [];

            }



            $validationErrors[$error->line][] = trim($error->message);

        }



        return new self($validationErrors);

    }



    private function __construct(array $validationErrors)

    {

        $this->validationErrors = $validationErrors;

    }



    public function hasValidationErrors(): bool

    {

        return !empty($this->validationErrors);

    }



    public function asString(): string

    {

        $buffer = '';



        foreach ($this->validationErrors as $line => $validationErrorsOnLine) {

            $buffer .= sprintf(PHP_EOL . '  Line %d:' . PHP_EOL, $line);



            foreach ($validationErrorsOnLine as $validationError) {

                $buffer .= sprintf('  - %s' . PHP_EOL, $validationError);

            }

        }



        return $buffer;

    }

}

