<?php
trait ApiCallTrait
{
    function callAPI($api_url, $request_method = "GET", $post_fields = [], $accessToken = null) {
        if (empty($api_url)) {
            return false;
        }

        $curl = curl_init();

        $headers = [
            "Accept: application/json",
            "Content-Type: application/json"
        ];

        // Add Authorization header if token is provided
        if ($accessToken) {
            $headers[] = "Authorization: Bearer " . $accessToken;
        }

        // Set cURL options
        curl_setopt_array($curl, [
            CURLOPT_URL => $api_url,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_ENCODING => "",
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_MAXREDIRS => 10,
            CURLOPT_TIMEOUT => 30,
            CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
            CURLOPT_CUSTOMREQUEST => $request_method,
            CURLOPT_HTTPHEADER => $headers,
        ]);

        // Set POST/PUT payload if provided
        if (!empty($post_fields) && in_array(strtoupper($request_method), ['POST', 'PUT', 'PATCH'])) {
            curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($post_fields));
        }
        $response = curl_exec($curl);
        $err = curl_error($curl);
        $httpcode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
        curl_close($curl);

        if ($err) {
            return "cURL Error: " . $err;
        }

        return $response;

    }

    public function fireAndForget($url, $payload, $accessToken)
    {
        $urlParts = parse_url($url);
        $host = $urlParts['host'];
        $path = $urlParts['path'];

        $fp = fsockopen("ssl://{$host}", 443, $errno, $errstr, 5);

        if (!$fp) {
            CakeLog::write(LOG_ERR, "Push notification: fsockopen failed ({$errno}) {$errstr}");
            return false;
        }

        $body = json_encode($payload);

        $out  = "POST {$path} HTTP/1.1\r\n";
        $out .= "Host: {$host}\r\n";
        $out .= "Authorization: Bearer {$accessToken}\r\n";
        $out .= "Content-Type: application/json\r\n";
        $out .= "Content-Length: " . strlen($body) . "\r\n";
        $out .= "Connection: Close\r\n\r\n";
        $out .= $body;

        fwrite($fp, $out);

        // Signal end of write so FCM receives the full request,
        // then close without waiting for the response.
        stream_socket_shutdown($fp, STREAM_SHUT_WR);
        fclose($fp);

        return true;
    }
}