<?php

namespace alveolata\email\implementations\swift;

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


/**
 * requires composer package "swiftmailer/swiftmailer"
 * 
 * @todo set auth type
 * @todo check for availability at start
 * @author Christian Fraß <frass@greenscale.de>
 */
function send(
	\alveolata\email\struct_credentials $credentials,
	\alveolata\email\struct_data $data
) : void
{
	// Create the Transport
	$transport = new \Swift_SmtpTransport(
		$credentials->host,
		$credentials->port,
		[
			\alveolata\email\enum_negotiation_type::none => null,
			\alveolata\email\enum_negotiation_type::opportunistic => 'tls',
			\alveolata\email\enum_negotiation_type::forced => 'ssl',
		][$credentials->negotiation_type]
	);
	$transport->setUsername($credentials->username);
	$transport->setPassword($credentials->password);
	
	// Create the Mailer using your created Transport
	$mailer = new \Swift_Mailer($transport);
	
	// Create a message
	$message = new \Swift_Message();
	if (! empty($data->from)) {
		$message->setFrom([$data->from]);
	}
	$message->setTo($data->to);
	if (! empty($data->cc)) {
		$message->setCc($data->cc);
	}
	if (! empty($data->bcc)) {
		$message->setBcc($data->bcc);
	}
	$message->setSubject($data->subject);
	
	if (! empty($data->body_html)) {
		$message->setBody($data->body_html, 'text/html');
		if (! empty($data->body_plain)) {
			$message->addPart($data->body_plain, 'text/plain');
		}
	}
	else {
		$message->setBody($data->body_plain, 'text/plain');
	}
	
	foreach ($data->attachments as $attachment) {
		$attachment_ = \Swift_Attachment::fromPath($attachment['path'], $attachment['mime']);
		$attachment_->setFilename($attachment['name']);
		$message->attach($attachment_);
	}
	
	// Send the message
	$result = $mailer->send($message);
}