<?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];
    }
}