<?php
/**
 * @author       Aicha Vack
 * @package      Joomla.Administrator
 * @subpackage   com_visforms
 * @link         https://www.vi-solutions.de
 * @license      GNU General Public License version 2 or later; see license.txt
 * @copyright    2021 vi-solutions
 * @since        Joomla 1.6
 */

// No direct access
defined('_JEXEC') or die;

use Joomla\CMS\Factory;
use Joomla\CMS\Plugin\CMSPlugin;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\String\StringHelper;
use Joomla\Event\DispatcherInterface;

class plgVisformsVfcustommailadr extends CMSPlugin
{
	private $newmailto = array();
	private $newmailcc = array();
	private $newmailbcc = array();
    protected $autoloadLanguage = true;

	public function __construct(DispatcherInterface $subject, array $config) {
		parent::__construct($subject, $config);
	}

	public function onVisformsEmailPrepare($context, $mailer, $form) {
		// Skip plugin if context is wrong
		if (!($context == 'com_visforms.form.resultmail')) {
			return true;
		}
		$app = Factory::getApplication();

		foreach ($form->fields as $field) {
            if (!empty($field->isDisabled)) {
                continue;
            }
			if (in_array($field->typefield, array('multicheckbox', 'select', 'radio', 'multicheckboxsql', 'selectsql', 'radiosql')) && is_string($field->dbValue)) {
				$dbValues = HTMLHelper::_('visformsselect.explodeMsDbValue', $field->dbValue);
				foreach ($field->opts as $option) {
					if (is_array($dbValues) && in_array($option['value'], $dbValues)) {
						$this->addMailAddress($option['mail'], 'newmailto');
						$this->addMailAddress($option['mailcc'], 'newmailcc');
						$this->addMailAddress($option['mailbcc'], 'newmailbcc');
					}
				}
			}
		}

		$backendFormParameter = $app->getUserState('com_visforms.backendformparams.' . $form->context);
		if (!empty($backendFormParameter)) {
			foreach ($backendFormParameter as $type => $value) {
				switch ($type) {
					case 'mail' :
						$this->addMailAddress($value, 'newmailto');
						break;
					case 'mailcc' :
						$this->addMailAddress($value, 'newmailcc');
						break;
					case 'mailbcc' :
						$this->addMailAddress($value, 'newmailbcc');
						break;
				}
			}
		}
		$app->setUserState('com_visforms.backendformparams.' . $form->context, null);

		if (count($this->newmailto) > 0) {
		    foreach ($this->newmailto as $newmailto) {
                $mailer->addRecipient($newmailto);
            }
		}
		if (count($this->newmailcc) > 0) {
            foreach ($this->newmailcc as $newmailcc) {
                $mailer->addCC($newmailcc);
            }
		}
		if (count($this->newmailbcc) > 0) {
            foreach ($this->newmailbcc as $newmailbcc) {
                $mailer->addBCC($newmailbcc);
            }
		}
		return true;

	}

	private function addMailAddress($address, $type) {
        if (empty(StringHelper::trim($address))) {
            return;
        }

        $addressess = explode(',', $address);
        foreach ($addressess as $mail) {
            $mail = StringHelper::trim($mail);
			if (!empty($mail)) {
                $this->{$type}[] = $mail;
			}
		}
	}
}