<?php

namespace App\Services;

use Carbon\Carbon;
use GuzzleHttp\Client;

final class Pacs
{
    public function getClient(): Client
    {
        return new Client([
            'base_uri' => config('pacs.api.endpoint'),
        ]);
    }

    public function getStudies(): array
    {
        $url = '/studies?'.http_build_query(['expand' => '1']);
        $response = $this->getClient()->get($url);

        $studies = json_decode($response->getBody()->getContents(), true);
        $result = [];
        foreach ($studies as $study) {
            $study['ReceiveDateTime'] = Carbon::parse($study['LastUpdate'], 'UTC');
            $study['StudyDateTime'] = Carbon::createFromFormat('Ymd His.u', $study['MainDicomTags']['StudyDate'].' '.$study['MainDicomTags']['StudyTime'], 'UTC');
            $result[] = $study;
        }

        return $result;
    }
}