<?php

namespace alveolata\email\implementations\phpmailer;

require_once(DIR_ALVEOLATA . '/email/base.php');


/**
 * requires composer package "phpmailer/phpmailer"
 * 
 * @todo set auth type
 * @todo attachment mapping
 * @author Christian Fraß <frass@greenscale.de>
 */
function send(
	\alveolata\email\struct_credentials $credentials,
	\alveolata\email\struct_data $data
) : void
{
	$phpmailer = new \PHPMailer\PHPMailer\PHPMailer(true);
	
	// auth
	$phpmailer->Host = $credentials->host;
	$phpmailer->Port = \sprintf('%u', $credentials->port);
	$phpmailer->Username = $credentials->username;
	$phpmailer->Password = $credentials->password;
	$phpmailer->isSMTP();
	// $phpmailer->SMTPDebug = \PHPMailer\PHPMailer\SMTP::DEBUG_SERVER;
	$phpmailer->SMTPAuth = ($credentials->negotiation_type !== \alveolata\email\enum_negotiation_type::none);
	$phpmailer->SMTPSecure = ([
		\alveolata\email\enum_negotiation_type::none => null,
		\alveolata\email\enum_negotiation_type::opportunistic => \PHPMailer\PHPMailer\PHPMailer::ENCRYPTION_STARTTLS,
		\alveolata\email\enum_negotiation_type::forced => \PHPMailer\PHPMailer\PHPMailer::ENCRYPTION_SMTPS,
	][$credentials->negotiation_type]);
	
	// data
	foreach ($data->to as $address) {
		$phpmailer->addAddress($address);
	}
	$phpmailer->Subject = $data->subject;
	if (! empty($data->from)) {
		$phpmailer->setFrom($data->from);
	}
	if (! empty($data->reply_to)) {
		$phpmailer->addReplyTo($data->reply_to);
	}
	foreach ($data->cc as $address) {
		$phpmailer->addCC($address);
	}
	foreach ($data->bcc as $address) {
		$phpmailer->addBCC($address);
	}
	foreach ($data->attachments as $attachment) {
		$phpmailer->addAttachment($attachment);
	}
	
	// body
	if (! empty($data->body_html)) {
		$phpmailer->isHTML(true);
		$phpmailer->Body = $data->body_html;
		if (! empty($data->body_plain)) {
			$phpmailer->AltBody = $data->body_plain;
		}
	}
	else {
		$phpmailer->Body = $data->body_plain;
	}
	
	// send
	$phpmailer->send();
}

 ?>