CPS-IT/project-builder

<?php

declare(strict_types=1);

/*
 * This file is part of the Composer package "cpsit/project-builder".
 *
 * Copyright (C) 2022 Elias Häußler <e.haeussler@familie-redlich.de>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

namespace CPSIT\ProjectBuilder\Error;

use CPSIT\ProjectBuilder\IO;
use CuyZ\Valinor\Mapper;
use Throwable;

/**
 * ErrorHandler.
 *
 * @author Elias Häußler <e.haeussler@familie-redlich.de>
 * @license GPL-3.0-or-later
 */
final class ErrorHandler
{
    public function __construct(
        private readonly IO\Messenger $messenger,
    ) {}

    public function handleException(Throwable $exception): void
    {
        $previousException = $exception->getPrevious();

        $this->messenger->error($exception->getMessage().$this->formatExceptionCode($exception));

        if ($exception instanceof Mapper\MappingError) {
            $this->formatMappingErrors($exception->node());
        }

        if (null !== $previousException) {
            $this->messenger->error(
                'Caused by: '.$previousException->getMessage().$this->formatExceptionCode($previousException),
            );
        }

        if ($this->messenger->isVerbose()) {
            $this->messenger->newLine();

            throw $exception;
        }
    }

    private function formatMappingErrors(Mapper\Tree\Node $node): void
    {
        $errors = Mapper\Tree\Message\Messages::flattenFromNode($node)->errors();

        foreach ($errors as $error) {
            $this->messenger->error('- '.$error);
        }
    }

    private function formatExceptionCode(Throwable $exception): string
    {
        if ($exception->getCode() > 0) {
            return sprintf(' [%d]', $exception->getCode());
        }

        return '';
    }
}