<?php
namespace Modules\Marketplace\Services;
use Illuminate\Support\Arr;
use Illuminate\Validation\ValidationException;
final class PackageManifest
{
    public function parse(array|string $manifest): array
    {
        if (is_string($manifest)) {
            $decoded=json_decode($manifest,true);
            if (!is_array($decoded)) throw ValidationException::withMessages(['manifest'=>'The package manifest is not valid JSON.']);
            $manifest=$decoded;
        }
        foreach (['name','type','version'] as $field) if (!filled(Arr::get($manifest,$field))) throw ValidationException::withMessages(['manifest'=>"Manifest field [$field] is required."]);
        if (!in_array($manifest['type'],config('marketplace.supported_types',[]),true)) throw ValidationException::withMessages(['manifest'=>'Unsupported marketplace package type.']);
        $manifest['requires']=$manifest['requires'] ?? [];
        $manifest['content_manager']=$manifest['content_manager'] ?? '*';
        $manifest['laravel']=$manifest['laravel'] ?? '*';
        return $manifest;
    }
    public function fromFile(string $path): array { return $this->parse((string) file_get_contents($path)); }
}