<?php

namespace app\external_requests;

use app\exceptions\GenericErrorException;
use CurlHandle;

class CurlRequest
{
    private string $url;
    private string $request;
    private array $headers;
    private ?array $body;
    private bool $isReturnable;

    protected function __construct(string $url, string $request, array $headers, ?array $body, bool $isReturnable)
    {
        $this->url = $url;
        $this->request = $request;
        $this->headers = $headers;
        $this->body = $body;
        $this->isReturnable = $isReturnable;
    }

    /**
     * @throws GenericErrorException
     */
    public function makeRequest(): string
    {
        $curl = curl_init();
        $this->setCurlBody($curl);

        $response = curl_exec($curl);

        if(!$response){
            throw new GenericErrorException();
        }
        if(curl_errno($curl)){
            echo curl_error($curl);
            die;
        }

        curl_close($curl);

        return $response;
    }

    public function setCurlBody(CurlHandle &$curl): void
    {
        curl_setopt($curl, CURLOPT_URL, $this->url);
        curl_setopt($curl, CURLOPT_HTTPHEADER, $this->headers);

        curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $this->request);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, $this->isReturnable);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);

        curl_setopt($curl,CURLOPT_POST, true);
        curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($this->body));
    }
}