<?php
namespace Modules\Marketplace\Services;
final class VersionConstraint
{
    public function matches(string $version,string $constraint): bool
    {
        $constraint=trim($constraint);
        if ($constraint==='' || $constraint==='*') return true;
        foreach (preg_split('/\s*\|\|\s*/',$constraint) ?: [] as $alternative) {
            $ok=true;
            foreach (preg_split('/\s*,?\s+/',trim($alternative)) ?: [] as $part) {
                if ($part==='') continue;
                if (str_starts_with($part,'^')) { $base=substr($part,1); $major=(int) explode('.',$base)[0]; $ok=$ok && version_compare($version,$base,'>=') && version_compare($version,($major+1).'.0.0','<'); continue; }
                if (str_starts_with($part,'~')) { $base=substr($part,1); $bits=array_pad(explode('.',$base),3,'0'); $upper=$bits[0].'.'.((int)$bits[1]+1).'.0'; $ok=$ok && version_compare($version,$base,'>=') && version_compare($version,$upper,'<'); continue; }
                if (preg_match('/^(>=|<=|>|<|=)?\s*([0-9][0-9A-Za-z.\-+]*)$/',$part,$m)) $ok=$ok && version_compare($version,$m[2],$m[1] ?: '=');
                else $ok=$ok && $version===$part;
            }
            if ($ok) return true;
        }
        return false;
    }
}