<?php

namespace Modules\Tms\Services;

class TmsGeocodingService
{
    public function geocode(?string $address): ?array
    {
        $address = trim((string) $address);
        if ($address === '') {
            return null;
        }

        $url = 'https://nominatim.openstreetmap.org/search?'.http_build_query([
            'q' => $address,
            'format' => 'json',
            'limit' => 1,
        ]);

        try {
            $context = stream_context_create([
                'http' => [
                    'header' => "User-Agent: UltimatePOS-TMS/1.1\r\n",
                    'timeout' => 10,
                ],
            ]);
            $response = @file_get_contents($url, false, $context);
            if (! $response) {
                return null;
            }

            $data = json_decode($response, true);
            if (empty($data[0]['lat']) || empty($data[0]['lon'])) {
                return null;
            }

            return [
                'lat' => (float) $data[0]['lat'],
                'lng' => (float) $data[0]['lon'],
            ];
        } catch (\Throwable $e) {
            \Log::warning('TMS geocoding failed: '.$e->getMessage());

            return null;
        }
    }
}