<?php

// From PHPMailer code
require '../../composer/vendor/autoload.php';

//Import PHPMailer classes into the global namespace
//These must be at the top of your script, not inside a function
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
use PHPMailer\PHPMailer\SMTP;


// End of 1st part of PHPMailer code

function sendEmail($host, $username, $password, $from, $destination, $subject, $body, $screen_message, $attachments) {
    //Instantiation and passing `true` enables exceptions
    $mail = new PHPMailer(true);
    try {
        //https://stackoverflow.com/questions/3477766/phpmailer-smtp-error-could-not-connect-to-smtp-host
        $mail->SMTPOptions = array(
            'ssl' => array(
            'verify_peer' => false,
            'verify_peer_name' => false,
            'allow_self_signed' => true
            )
            );
    
        //Server settings
        //$mail->SMTPDebug = SMTP::DEBUG_SERVER;                      //Enable verbose debug output
        $mail->isSMTP();                                            //Send using SMTP
        $mail->Host       = $host;                     //Set the SMTP server to send through
        $mail->SMTPAuth   = true;                                   //Enable SMTP authentication
        $mail->Username   = $username;                     //SMTP username
        $mail->Password   = $password;                               //SMTP password
        $mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS;         //Enable TLS encryption; `PHPMailer::ENCRYPTION_SMTPS` encouraged
        $mail->Port       = 587;                                    //TCP port to connect to, use 465 for `PHPMailer::ENCRYPTION_SMTPS` above
    
        //Recipients
        $mail->setFrom($from, 'Glenbow College');
        //$mail->addAddress('joe@example.net', 'Joe User');     //Add a recipient
        $mail->addAddress($destination);               //Name is optional
        //$mail->addReplyTo('info@example.com', 'Information');
        //$mail->addCC('cc@example.com');
        //$mail->addBCC('bcc@example.com');
    
        //Attachments
        if (!empty($attachments)) {
            foreach ($attachments as $attachment) {
                $mail->addAttachment('attachments/'.$attachment); 
            }
        }

        //$mail->addAttachment('/var/tmp/file.tar.gz');         //Add attachments
        //$mail->addAttachment('/tmp/image.jpg', 'new.jpg');    //Optional name
    
        //Content
        $mail->isHTML(true);                                  //Set email format to HTML
        $mail->Subject = $subject;        
        $mail->Body    = $body;
        $mail->AltBody = 'This is the body in plain text for non-HTML mail clients';
    
    
        $mail->send();
        echo $screen_message;
    } catch (Exception $e) {
        echo "Message could not be sent. Mailer Error: {$mail->ErrorInfo}";
    }
}