<?php

namespace PSX\Schema\Inspector;

use PSX\Schema\DefinitionsInterface;

/**
 * Class to increase an existing version number by the next version depending on the changes between the left and right
 * definition
 *
 * @author  Christoph Kappestein <christoph.kappestein@gmail.com>
 * @license http://www.apache.org/licenses/LICENSE-2.0
 * @link    http://phpsx.org
 */
class SemVerLifter
{
    public function elevate(
        string $baseVersion,
        DefinitionsInterface $left,
        ?DefinitionsInterface $right = null,
    ): string {
        if ($right === null) {
            return '0.1.0';
        }

        $parts = explode('.', $baseVersion, 3);
        $major = (int) ($parts[0] ?? 0);
        $minor = (int) ($parts[1] ?? 0);
        $patch = (int) ($parts[2] ?? 0);

        $level = $this->getMaxSemVerLevel($left, $right);
        if ($level === SemVer::MAJOR) {
            $major++;
            $minor = 0;
            $patch = 0;
        } elseif ($level === SemVer::MINOR) {
            $minor++;
            $patch = 0;
        } else {
            $patch++;
        }

        return implode('.', [$major, $minor, $patch]);
    }

    private function getMaxSemVerLevel(DefinitionsInterface $left, DefinitionsInterface $right): string
    {
        $generator = new ChangelogGenerator();
        $levels = [];
        foreach ($generator->generate($left, $right) as $level => $message) {
            $levels[$level] = $level;
        }

        if (isset($levels[SemVer::MAJOR])) {
            return SemVer::MAJOR;
        } elseif (isset($levels[SemVer::MINOR])) {
            return SemVer::MINOR;
        } else {
            return SemVer::PATCH;
        }
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Nzg0OTI5MjMxNTAwNjk2MSA2OTI5MjM1MTc2MDAyMzE2IDgwMDkyNjA5NjcyOTEwNzk=