<?php

class SimPay
{
    protected $auth = array();
    protected $api = '1';

    protected $response = array();
    protected $call = array();

    public function __construct($key = '', $secret = '', $api = false)
    {
        if(isset($api) and !empty($api)) {
            $this->api = $api;
        }

        $this->auth = array(
            "auth" => array(
                "key" => $key,
                "secret" => $secret,
            )
        );
    }

    public function url($value, $params = array())
    {
        $data = json_encode(array('params'=>array_merge($this->auth, $params)));
        $this->call = $this->request($data, "https://simpay.pl/api/".$api."/".$value);
        return $this->call;
    }

    public function getStatus($params)
    {
        $this->response = $this->url('status', $params);
        return $this->response;
    }

    public function check()
    {
        if(isset($this->response) and is_array($this->response)) {
            if(isset($this->response['respond']['status']) and $this->response['respond']['status']=='OK') {
                return true;
            } else if(isset($this->response['error']) and is_array($this->response['error'])) {
                return false;
            }
        } else {
            throw new Exception('Brak informacji na temat ostatniego zapytania');
        }
    }

    public function error()
    {
        if(isset($this->response['error']) and is_array($this->response['error'])) {
            return true;
        } else {
            return false;
        }
    }

    public function showError()
    {
        if(isset($this->response['error']) and is_array($this->response['error'])) {
            return $this->response['error'];
        } else {
            throw new Exception('Brak bledu do pokazania');
        }
    }

    private function request($data, $url)
    {
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        curl_setopt($curl, CURLOPT_FAILONERROR, 1);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // developer only
        $call = curl_exec($curl);
        $response = json_decode($call, true);
        $error = curl_errno($curl);
        curl_close($curl);

        if ($error > 0) {
            throw new RuntimeException('CURL ERROR Code:'.$error);
        }
        return $response;
    }

    public function response() {
        return $this->response;
    }
}

?>