<?php

namespace Plugin\Factory;

use Symfony\Component\Mailer\Mailer;
use Symfony\Component\Mailer\Transport;
use Symfony\Component\Mime\Address;
use Symfony\Component\Mime\Email;
use Symfony\Component\Mime\Part\DataPart;
use Symfony\Component\Mime\Part\File;
use Twig\Environment;

class EmailFactory
{
    public function __construct(
        protected Environment $twig,
        protected array $config,
        protected array $build
    ) {
    }

    public function createMailer(): Mailer
    {
        return new Mailer(Transport::fromDsn($this->config['dsn']));
    }

    public function createEmail(): Email
    {
        $from = json_decode($this->config['from'], true);
        $content = json_decode($this->config['content'], true);

        $subject = $this->twig->createTemplate(
            $content['subject'] ?? '[{{ pipeline.status }}] {{ repo.full_name }} ({{ commit.branch }} - {{ commit.sha[0:8] }})'
        );

        $email = (new Email())
            ->subject($subject->render($this->build))
            ->from(
                new Address(
                    $from['address'] ?? '',
                    $from['name'] ?? ''
                )
            )
        ;

        $recipients = explode(',', $this->config['recipients']);
        $attachments = explode(',', $this->config['attachments']);

        foreach ($recipients as $item) {
            $item = filter_var(trim($item), FILTER_VALIDATE_EMAIL);

            if ($item) {
                $email->addBcc($item);
            }
        }

        foreach ($attachments as $item) {
            foreach (glob($item) as $file) {
                if (is_file($file)) {
                    $email->addPart(new DataPart(new File($file)));
                }
            }
        }

        if (false === $this->config['is_recipients_only']) {
            $email->addBcc($this->build['commit']['author_email']);
        }

        $email->html($this->twig->render('build_status.html.twig', [
            'build' => $this->build,
            'body' => $content['body'] ?? null,
        ]));

        return $email;
    }
}