<?php
namespace Modules\Marketplace\Services;
use Illuminate\Support\Facades\App;
final class CompatibilityChecker
{
    public function __construct(private VersionConstraint $constraints=new VersionConstraint()) {}
    public function check(array $manifest): array
    {
        $errors=[];
        $php=(string)($manifest['php'] ?? '*'); $laravel=(string)($manifest['laravel'] ?? '*');
        $platform=(string)($manifest['content_manager'] ?? '*'); $platformVersion=(string) config('app.version','1.0.0');
        if (!$this->constraints->matches(PHP_VERSION,$php)) $errors[]="Requires PHP $php; running ".PHP_VERSION.'.';
        if (!$this->constraints->matches(App::version(),$laravel)) $errors[]="Requires Laravel $laravel; running ".App::version().'.';
        if (!$this->constraints->matches($platformVersion,$platform)) $errors[]="Requires Content Manager $platform; running $platformVersion.";
        return ['compatible'=>$errors===[],'errors'=>$errors];
    }
}