<?php
/**
 * FuzeWorks.
 *
 * The FuzeWorks MVC PHP FrameWork
 *
 * Copyright (C) 2015   TechFuze
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @author    TechFuze
 * @copyright Copyright (c) 2013 - 2016, Techfuze. (http://techfuze.net)
 * @copyright Copyright (c) 1996 - 2015, Free Software Foundation, Inc. (http://www.fsf.org/)
 * @license   http://opensource.org/licenses/GPL-3.0 GPLv3 License
 *
 * @link  http://fuzeworks.techfuze.net
 * @since Version 0.0.1
 *
 * @version Version 0.0.1
 */

namespace Module\Mailer;

use FuzeWorks\Module;
use FuzeWorks\ModuleException;
use FuzeWorks\Config;
use PHPMailer;

/**
 * Main class for the Mailer module.
 *
 * This class is a simple wrapper for PHPMailer. It has a simple prepared config file and can create instances based on these config files.
 *
 * @author    Abel Hoogeveen <abel@techfuze.net>
 * @copyright Copyright (c) 2013 - 2016, Techfuze. (http://techfuze.net)
 */
class Main
{
    use Module;

    /**
     * Array of all the active PHPMailer instances.
     *
     * @var array of \PHPMailer
     */
    private $mailers = array();

    /**
     * First function to get called. Initiates all module variables.
     */
    public function onLoad()
    {
        if (!class_exists('\PHPMailer')) {
            throw new ModuleException('PHPMailer class not found! Is composer installed?', 1);
        }
    }

    /**
     * Return one of the instances of PHPMailer.
     * If not found, it creates a new instance and returns that.
     *
     * @param string instance name
     *
     * @return \PHPMailer instance
     */
    public function __get($name)
    {
        if (!isset($this->mailers[$name])) {
            $this->mailers[$name] = new PHPMailer();

            // Set settings
            $cfg = self::$cfg;

            // First check what is enabled
            if ($cfg->sendmail_enabled && !$cfg->smtp_enabled) {
                $this->mailers[$name]->isSendmail();
            } elseif (!$cfg->sendmail_enabled && $cfg->smtp_enabled) {
                // Set up all the SMTP details
                $this->mailers[$name]->isSMTP();
                $this->mailers[$name]->SMTPDebug = $cfg->smtp_debug_level;
                $this->mailers[$name]->Debugoutput = 'html';
                $this->mailers[$name]->Host = $cfg->smtp_host;
                $this->mailers[$name]->Port = $cfg->smtp_port;

                // SMTP Authentication
                if ($cfg->smtp_auth) {
                    $this->mailers[$name]->SMTPAuth = true;
                    $this->mailers[$name]->Username = $cfg->smtp_username;
                    $this->mailers[$name]->Password = $cfg->smtp_password;
                }

                // Set the sender correctly
                if ($cfg->sender_name != '' && $cfg->sender_mail != '') {
                    $this->mailers[$name]->setFrom($cfg->sender_mail, $cfg->sender_name);
                } elseif ($cfg->sender_name == '' && $cfg->sender_mail != '') {
                    $mail->From = $cfg->sender_mail;
                }
            }
        }

        return $this->mailers[$name];
    }
}