<?php

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

use \MGModule\DNSManager2\mgLibs\custom\dns\exceptions;

class Uapi
{
    protected $ch      = null;
    protected $token   = null;
    protected $expires;
    protected $username;
    protected $password;
    protected $host;
    protected $port;
    protected $headers = [];
    protected $ssl;
    protected $sessionUrl;
    protected $queryuser;
    private $lastResponse;
    private $lastJsonResponse;

    public function setLogin($params, $user)
    {
        $this->host      = $params['hostname'] ? $params['hostname'] : $params['default_ip'];
        $this->username  = $params['username'];
        $this->password  = $params['hash'] ? trim($params['hash']) : $params['password'];
        $this->headers[] = $params['hash'] ? 'Authorization: WHM ' . $this->username . ':' . str_replace(array("\r", "\n"), "", $this->password) : "Authorization: Basic " . base64_encode($this->username . ":" . $this->password);
        if($params['ssl'] == 'on')
            $this->ssl       = true;
        else
            $this->ssl       = false;
        $this->port      = $params['serverport'] ? $params['serverport'] : '2087';
        $this->queryuser = $user;

        return $this;
    }

    public function createSession($service='cpaneld')
    {
        $query    = ($this->ssl ? 'https' : 'http') . "://" . $this->host . ":" . $this->port
            . "/json-api/create_user_session?api.version=1&user=" . $this->queryuser . "&service=".$service;

        $this->ch = curl_init();
        curl_setopt($this->ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($this->ch, CURLOPT_SSL_VERIFYHOST, false);
        curl_setopt($this->ch, CURLOPT_HEADER, false);
        curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($this->ch, CURLOPT_HTTPHEADER, $this->headers);
        curl_setopt($this->ch, CURLOPT_URL, $query);
        $response = curl_exec($this->ch);
        if (!$response)
        {
            $error = curl_error($this->ch);
            curl_close($this->ch);
            throw new exceptions\DNSSubmoduleException("Curl error: " . $error);
        }

        $jsonResponse = json_decode($response, true);
        if ($jsonResponse['cpanelresult']['error'])
        {
            throw new exceptions\DNSSubmoduleException("UAPI error: " . $jsonResponse['cpanelresult']['error']);
        }else if($jsonResponse['metadata']['result']===0){
            throw new exceptions\DNSSubmoduleException("UAPI error: " . $jsonResponse['metadata']['reason']);
        }
        $this->initSession($jsonResponse);
    }

    private function initSession($jsonResponse)
    {
        $tab        = explode(':', $jsonResponse['data']['url']);
        $sessionUrl = $tab[0] . '://' . $this->host . ':' . $tab[2];
        $cookieJar  = 'cookie.txt';
        curl_setopt($this->ch, CURLOPT_URL, $sessionUrl);
        curl_setopt($this->ch, CURLOPT_HTTPHEADER, null);
        curl_setopt($this->ch, CURLOPT_COOKIESESSION, true);
        curl_setopt($this->ch, CURLOPT_COOKIEJAR, $cookieJar);
        curl_setopt($this->ch, CURLOPT_COOKIEFILE, $cookieJar);
        $response   = curl_exec($this->ch);
        if (!$response)
        {
            $error = curl_error($this->ch);
            curl_close($this->ch);
            throw new exceptions\DNSSubmoduleException("Curl error: " . $error);
        }

        $this->sessionUrl = preg_replace('{/login(?:/)??.*}', '', $sessionUrl);
    }

    public function exec($name, $api, $request = array())
    {
        $this->requestUrl = $this->sessionUrl . $api . $name;
        if ($request)
        {
            $this->requestUrl .= '?' . http_build_query($request);
        }

        curl_setopt($this->ch, CURLOPT_URL, $this->requestUrl);
        $this->lastResponse = curl_exec($this->ch);
        $this->debug();
        if (!$this->lastResponse)
        {
            $error = curl_error($this->ch);
            curl_close($this->ch);
            throw new exceptions\DNSSubmoduleException("Curl error: " . $error);
        }
        return $this->processResponse();
    }

    private function processResponse()
    {
        $replace = [
            '\\\n'  => "",
            '\\\u2014' => " - ",
            '"[{'  => '[{',
            '}]"'  => '}]',
            '\"'   => '"',
            '\\\\' => ''
        ];
        $response               = str_replace(array_keys($replace), array_values($replace), $this->lastResponse);
        $this->lastJsonResponse = json_decode($response, true);
        if ($this->lastJsonResponse['errors'])
        {
            throw new exceptions\DNSSubmoduleException("UAPI error: " . trim(implode(", ", $this->lastJsonResponse['errors'])));
        }
        if ($this->lastJsonResponse['data'] && preg_match('/Warning/', $this->lastJsonResponse['data']) && !preg_match('/Success/', $this->lastJsonResponse['data']))
        {
            throw new exceptions\DNSSubmoduleException("UAPI error: " . trim($this->lastJsonResponse['data']));
        }
        return $this->lastJsonResponse;
    }

    private function debug()
    {
        if (!$this->loger || !method_exists($this->loger, 'log'))
        {
            return;
        }
        $action = print_r(sprintf("GET: %s\r\nPOST: %s\r\n", $this->requestUrl, print_r($this->post, true)), true);
        $this->loger->log(str_replace($this->sessionUrl, "",$this->requestUrl), $action, $this->lastResponse, $this->jsonResponse);
    }

    function getLastResponse()
    {
        return $this->lastResponse;
    }

    function setLastResponse($lastResponse)
    {
        $this->lastResponse = $lastResponse;
    }

}