<?php

namespace App\Services\Tools;

use Illuminate\Support\Facades\Http;
use InvalidArgumentException;
use RuntimeException;
use SimpleXMLElement;

class OxxaClient
{
    public function request(string $command, array $data = []): array|SimpleXMLElement
    {
        $endpoint = rtrim((string) config('services.oxxa.endpoint'), '?&');
        if ($endpoint === '') {
            throw new InvalidArgumentException('OXXA_API_ENDPOINT is not configured.');
        }

        if (! isset($data['apiuser'], $data['apipassword'])) {
            throw new InvalidArgumentException('Oxxa credentials are required.');
        }

        $payload = $data;
        $payload['apipassword'] = 'MD5'.md5((string) $payload['apipassword']);

        $response = Http::timeout((int) config('services.oxxa.timeout', 60))
            ->get($endpoint, ['command' => $command] + $payload)
            ->throw();

        $xml = simplexml_load_string((string) $response->body(), SimpleXMLElement::class, LIBXML_NOCDATA);
        if (! $xml instanceof SimpleXMLElement) {
            throw new RuntimeException('Oxxa returned invalid XML.');
        }

        $responseData = $this->xmlToArray($xml);
        $statusCode = trim((string) data_get($responseData, 'order.status_code', ''));
        $statusDescription = trim((string) data_get($responseData, 'order.status_description', ''));

        if ($statusCode === 'XMLERR 1') {
            return [
                'ok' => false,
                'error' => 'Credentials are incorrect. Please change the credentials in the registrar module.',
                'status_code' => $statusCode,
                'status_description' => $statusDescription,
            ];
        }

        if (str_contains($statusCode, 'XMLOK')) {
            return [
                'ok' => true,
                'status_code' => $statusCode,
                'status_description' => $statusDescription,
                'data' => $responseData,
            ];
        }

        return [
            'ok' => false,
            'error' => trim($statusCode.' '.$statusDescription),
            'status_code' => $statusCode,
            'status_description' => $statusDescription,
            'data' => $responseData,
        ];
    }

    private function xmlToArray(SimpleXMLElement $xml): array
    {
        return json_decode(json_encode($xml, JSON_THROW_ON_ERROR), true, 512, JSON_THROW_ON_ERROR);
    }
}