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<?php
defined('_VALID') or die('Restricted Access!');
class VComponent_Admin_email_send
{
    public function __construct()
    {
    }
    
    public function render()
    {
        $cfg         = VF::cfg('core.config');
        $db            = VF::factory('database');
        $errors        = array();
        $messages    = array();
        $email        = array('emails' => '', 'from' => $cfg['email_admin'], 'subject' => '', 'message' => '');
        if (isset($_GET['email']) && VValid::email(trim($_GET['email']))) {
            $email['emails'] = trim($_GET['email']);
        }
        
        if (isset($_POST['submit_send_email'])) {
            $filter        = VF::factory('filter');
            $emails        = $filter->get('emails');
            $from        = $filter->get('from');
            $subject    = $filter->get('subject');
            $message    = trim($_POST['message']);
            
            if ($emails == '') {
                $errors[] = 'Please enter at least one receiver email address!';
            } elseif ($emails == 'all') {
                $db->query("SELECT email FROM #__user WHERE verified = '1'");
                $rows        = $db->fetch_rows();
                $receivers    = array();
                foreach ($rows as $row) {
                    $receivers[] = $row['email'];
                }
            } elseif ($emails == 'registered') {
                $group_id = VAuth::get_group_id('Registered');                
                
                $db->query("SELECT email
                            FROM #__user
                            WHERE group_id = ".$group_id."
                            AND verified = '1'");
                $rows        = $db->fetch_rows();
                $receivers    = array();
                foreach ($rows as $row) {
                    $receivers[] = $row['email'];
                }
            } elseif ($emails == 'premium') {
                $group_id = VAuth::get_group_id('Premium');

                $db->query("SELECT email
                            FROM #__user
                            WHERE group_id = ".$group_id."
                            AND verified = '1'");
                $rows        = $db->fetch_rows();
                $receivers    = array();
                foreach ($rows as $row) {
                    $receivers[] = $row['email'];
                }
            } else {
                if (strpos($emails, ',') !== FALSE) {
                    $receivers = explode(',', str_replace(' ', '', $emails));
                } else {
                    $receivers = array($emails);
                }
            
                $valid        = array();
                $invalid    = array();
                foreach ($receivers as $receiver) {
                    if (VValid::email($receiver)) {
                        $valid[]     = $receiver;
                    } else {
                        $invalid[]    = $receiver;
                    }
                }
                
                if ($invalid) {
                    $errors[] = 'One or more email addresses are not valid ('.implode(', ', $invalid).')!';
                } else {
                    $email['emails'] = implode(',', $valid);
                }
            }
            
            if ($from == '') {
                $errors[]    = 'Please enter the sender emails address!';
            } elseif (!VValid::email($from)) {
                $errors[]    = 'Sender email is not a valid email address!';
            } else {
                $email['from'] = $from;
            }
            
            if ($subject == '') {
                $errors[]    = 'Please enter the email subject!';
            } else {
                $email['subject']    = $subject;
            }
            
            if ($message == '') {
                $errors[]    = 'Please enter the email message!';
            } else {
                $email['message']     = $message;
            }
            
            if (!$errors) {
                if ($emails == 'all' ) {
                    $random = VText::random();
                    $array    = array(
                        'from'        => $from,
                        'receivers' => $receivers,
                        'subject'    => $subject,
                        'message'    => $message
                    );
                    
                    VFile::write(TMP_DIR.'/emails/'.$random.'.php', serialize($array));
                    
                    $cmd    = VF::cfg_core_item('php_cli_path').' '.ADMIN_DIR.'/modules/email/scripts/send.php '.$random;
                    exec(escapeshellcmd($cmd). ' >/dev/null &');
                    
                    $messages[] = 'Email will be sent to all users in background!';
                } else {
                    $mail           = VF::factory('email');
                      $mail->From     = $from;
                    if ($from == $cfg['email_admin']) {
                          $mail->FromName = $cfg['site_name'];
                    }
                      $mail->Sender   = $from;
                      $mail->AddReplyTo($from);
                    $mail->Subject    = $subject;
                      $mail->AltBody  = $message;
                      $mail->Body     = nl2br($message);
                    foreach ($valid as $address) {
                        $mail->AddAddress($address);
                          $mail->Send();
                          $mail->ClearAddresses();
                    }
                
                    $messages[] = 'Email sent!';
                }
            }
        }
        
        $tpl = VF::factory('template');
        $tpl->menu            = 'main';
        $tpl->submenu        = 'email_send';
        $tpl->meta_title    = 'Admin::Email::Send';
        $tpl->errors        = $errors;
        $tpl->messages        = $messages;
        $tpl->email            = $email;
        $tpl->load(array('header', 'email_send', 'footer'));
        $tpl->display();                    
    }
}
?>