<?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:----MTE4NzQxNzUwODg4MzkyMSAzOTk0ODc3OTI2ODUyNjkyIDQ2NTQ4OTY2OTAyMzk0MTU=