<?php

namespace MGModule\DNSManager2\mgLibs\custom\mailer;

use \Exception;
use \MGModule\DNSManager2\mgLibs\custom\mailer\mergefields\Other;
use \MGModule\DNSManager2\models\whmcs\configuration;
use \MGModule\DNSManager2\models\whmcs\emailtemplate;

class Mailer //Działa ale pasuje ładnie porozdzielać
{
    private $mail = false;
    private $vars = array();

    protected $phpMailerNs;

    public function __construct()
    {
        $this->isValidPhpMailer();

        $this->mail = new $this->phpMailerNs();
        $this->mail->CharSet = "UTF-8";
        $this->mail->ContentType = 'text/html';
        $this->mail->Encoding = "8bit";
        $this->loadWHMCSMailerConfig();
    }

    protected function isValidPhpMailer()
    {
        if(class_exists('\\PHPMailer')) {

            $this->phpMailerNs = '\\PHPMailer';
            return;
        }

        if(class_exists('\\PHPMailer\\PHPMailer\\PHPMailer')) {

            $this->phpMailerNs = '\\PHPMailer\\PHPMailer\\PHPMailer';
            return;
        }

         throw new Exception('There is no PHPMailer class');
    }

    public function __call($name, $arguments)
    {
        call_user_func_array(array($this->mail, $name), $arguments);
    }

    public function loadWHMCSMailerConfig()
    {
        $mailConfig = configuration\configuration::bySetting('MailConfig')->value;
        
        if(!empty($mailConfig))
        {          
            $configuration  = json_decode(decrypt($mailConfig));
            $this->mail->Host = $configuration->configuration->host;
            $this->mail->Port = $configuration->configuration->port;
            $this->mail->Username = $configuration->configuration->username;
            $this->mail->Password = $configuration->configuration->password;
            $this->mail->SMTPSecure = $configuration->configuration->secure;
        }
        else
        {
            $this->mail->Host = configuration\configuration::bySetting('SMTPHost')->value;
            $this->mail->Port = configuration\configuration::bySetting('SMTPPort')->value;
            $this->mail->Username = configuration\configuration::bySetting('SMTPUsername')->value;
            $this->mail->Password = decrypt(configuration\configuration::bySetting('SMTPPassword')->value);
            $this->mail->SMTPSecure = configuration\configuration::bySetting('SMTPSSL')->value;
        }
        
        $this->mail->mailType = configuration\configuration::bySetting('MailType')->value;
        $this->mail->setFrom(configuration\configuration::bySetting('SystemEmailsFromEmail')->value, configuration\configuration::bySetting('SystemEmailsFromName')->value);
    }

    public function send()
    {
        if($this->mail->mailType === 'smtp')
        {
            $this->mail->isSMTP();
            $this->mail->SMTPAuth = true;
        }
        
        if(!$this->mail->send())
        {
            \logModuleCall('DNS Manager', 'Mailer Error', $this->mail->ErrorInfo, "", array(), array(), array());             
        }
    }

    public function sendWHMCSTemplate($name, $type = 'admin', $relid = false)
    {
        $template = emailtemplate\repository::factory()->byName($name)->byType($type)->one();
        if($template === false) {
            return;
        }

        $this->loadVariables('other');
        $this->sendFromSmartyTemplate(html_entity_decode($template->subject), html_entity_decode($template->message));
    }

    public function sendFromSmartyTemplate($subject, $message, $variables = false)
    {
        if($variables !== false) {
            $this->addVariables($variables);
        }
        $message = SmartyHelper::fetchFromString($message, $this->vars);

        $this->mail->Subject = $subject;
        $this->mail->Body = $message;
        $this->send();
    }

    public function loadVariables($type, $relid = false)
    {
        switch($type) {
            case 'other':
                $obj = new Other();
                break;
        }
        $this->addVariables($obj->getMergeFields());
    }

    public function addVariable($name, $value)
    {
        $this->vars[$name] = $value;
    }

    public function addVariables($vars)
    {
        foreach($vars as $k => $v) {
            $this->addVariable($k, $v);
        }
    }

}