<?php

namespace MGModule\DNSManager2\mgLibs\custom\dns\submodules\SimpleDNSV8;

use MGModule\DNSManager2\mgLibs\lang;

class Curl
{
    private $login;
    private $password;
    protected $hostUrl;
    protected $ssl;
    protected $curl;

    public function __construct(array $params)
    {
        $this->setParams($params)
            ->setHostUrl($params);
    }

    protected function setParams(array $params)
    {
        if (!$params['login'] || !$params['password'])
        {
            throw new \Exception('Login details are insufficient');
        }
        $this->login    = $params['login'];
        $this->password = $params['password'];
        $this->httpauth = $params['httpauth'];

        return $this;
    }

    protected function setHostUrl(array $params)
    {
        if (!$params['hostname'] || !$params['port'])
        {
            throw new \Exception('Server details are insufficient');
        }

        $hostnameParts = $this->prepareHostnameParts($params['hostname']);

        $protocol      = $params['ssl'] == 'on' ? 'https://' : 'http://';
        $this->hostUrl = $protocol . $hostnameParts['firstPart'] . ':' . $params['port'] . $hostnameParts['secondPart']; // API ver.2

        return $this;
    }

    protected function prepareHostnameParts($hostname)
    {
        $hostnameParts = explode('/', $hostname); // for incase of such hostnames simpledns.com/api
        $firstPart = $hostnameParts[0];
        unset($hostnameParts[0]);

        $secondPart = '';
        if(count($hostnameParts) > 0)
        {
            $secondPart =  '/' . implode('/' ,$hostnameParts);
        }

        return [
            'firstPart'  => $firstPart,
            'secondPart' => $secondPart
        ];
    }

    protected function init()
    {
        $this->curl = curl_init();

        return $this;
    }

    protected function prepareOptions()
    {
        curl_setopt($this->curl,CURLOPT_RETURNTRANSFER, true);
        curl_setopt($this->curl,CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($this->curl,CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($this->curl,CURLOPT_TIMEOUT, 30);
        curl_setopt($this->curl,CURLOPT_HTTPAUTH, $this->httpauth);
        curl_setopt($this->curl,CURLOPT_TIMEOUT, 30);

        return $this;
    }

    protected function setCurlUrl($url)
    {
        curl_setopt($this->curl,CURLOPT_URL, $url);

        return $this;
    }

    protected function setCurlMethod($method)
    {
        curl_setopt($this->curl, CURLOPT_CUSTOMREQUEST, strtoupper($method));

        return $this;
    }

    protected function setCurlPostFields($data)
    {
        curl_setopt($this->curl, CURLOPT_POST, true);
        curl_setopt($this->curl, CURLOPT_POSTFIELDS, $data);

        return $this;
    }

    protected function setCurlLoginDetails($login, $password)
    {
        curl_setopt($this->curl,CURLOPT_USERPWD, $login . ':' . $password);

        return $this;
    }

    public function get($path)
    {
        return $this->execute(__FUNCTION__, $path);
    }

    public function post($path, $data)
    {
        return $this->execute(__FUNCTION__,$path, $data);
    }

    public function put($path, $data)
    {
        return $this->execute(__FUNCTION__, $path, $data);
    }

    public function patch($path, $data)
    {
        return $this->execute(__FUNCTION__, $path, $data);
    }

    public function delete($path, $data = null)
    {
        return $this->execute(__FUNCTION__, $path, $data);
    }

    public function isJson($json)
    {
        json_decode($json);

        return json_last_error() == JSON_ERROR_NONE;
    }

    protected function execute($method, $path, $data = [])
    {
        $url = $this->hostUrl . $path;
        $this->init()
            ->prepareOptions()
            ->setCurlLoginDetails($this->login, $this->password)
            ->setCurlUrl($url)
            ->setCurlMethod($method);

        if ($data)
        {
            $this->setCurlPostFields(json_encode($data));
        }
        $result = curl_exec($this->curl);

        \logModuleCall('dnsmanager', $url, $data, $result);
        if ($result === false)
        {
            throw new \Exception(curl_error($this->curl));
        }
        if($result == '')
        {
            $errorInfo = curl_getinfo($this->curl);
            if(!in_array($errorInfo['http_code'], [200, 204]))
            {
                throw new \Exception('HTTP Error: '.$errorInfo['http_code']);
            }
        }
        if ($result && !$this->isJson($result))
        {
            throw new \Exception($result);
        }

        return json_decode($result);
    }
}