<?php

namespace App\Supports;

class SoapParallelExecutor
{
    /**
     * Ejecuta múltiples peticiones SOAP en paralelo usando curl_multi_exec.
     *
     * @param array $requests Mapa de clave => ['url' => string, 'body' => string, 'headers' => array]
     * @return array          Mapa de clave => ['response' => string|false, 'http_code' => int, 'curl_error' => string]
     */
    public static function execute(array $requests): array
    {
        $multiHandle = curl_multi_init();
        $handles = [];

        foreach ($requests as $key => $req) {
            $ch = curl_init($req['url']);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_POST, true);
            curl_setopt($ch, CURLOPT_POSTFIELDS, $req['body']);
            curl_setopt($ch, CURLOPT_TIMEOUT, 30);
            curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
            curl_setopt($ch, CURLOPT_HTTPHEADER, $req['headers']);
            curl_multi_add_handle($multiHandle, $ch);
            $handles[$key] = $ch;
        }

        $running = null;
        do {
            $status = curl_multi_exec($multiHandle, $running);
            if ($running) {
                curl_multi_select($multiHandle);
            }
        } while ($running > 0 && $status === CURLM_OK);

        $results = [];
        foreach ($handles as $key => $ch) {
            $results[$key] = [
                'response'   => curl_multi_getcontent($ch),
                'http_code'  => curl_getinfo($ch, CURLINFO_HTTP_CODE),
                'curl_error' => curl_error($ch),
            ];
            curl_multi_remove_handle($multiHandle, $ch);
            curl_close($ch);
        }

        curl_multi_close($multiHandle);

        return $results;
    }
}