<?php

namespace App;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;
use Twig\Environment;
use Twig\Loader\ArrayLoader;
use DateTime;
use Ntfy\Server;
use Ntfy\Message;
use Ntfy\Client;

class CommandBackup extends Command
{
    public static $defaultName = "backup";
    public static $defaultDescription = "Start backup to assigned buckets";

    protected function configure(): void
    {
        $this->addArgument(
            'config',
            InputArgument::OPTIONAL,
            'Configuration file',
            "config.yml"
        );
    }

    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $sio = new SymfonyStyle($input, $output);
        $sio->title('Start backup process');

        try {
            $app = new App($input->getArgument('config'));
        } catch (\Throwable $e) {
            $sio->error('Configuration error:' . $e->getMessage());
            return Command::FAILURE;
        }

        $rclone = new Rclone\Rclone();
        $rclone->setLogger($app->getLogger()->withName('rclone'));

        $server = new Server($app->getConfig()['notification']['domain']);
        $client = new Client($server);

        $loader = new ArrayLoader($app->getConfig()['templates']);
        $twig = new Environment($loader);
        $twig->addExtension(new Twig\AppExtension());

        foreach ($sio->progressIterate($app->getConfig()['backup']) as $conf) {
            $message = new Message();
            $message->topic($app->getConfig()['notification']['topic']);
            $message->title($conf['title']);
            try {
                $template = array();
                $template['config'] = $conf;
                $template['start'] = new DateTime();
                $template['source_size'] = $rclone->getSize($conf['source']);
                $template['destination_size_before'] = $rclone->getSize($conf['destination']);

                $rclone->copy($conf['source'], $conf['destination'], "6M");

                $template['destination_size_after'] = $rclone->getSize($conf['destination']);
                $template['end'] = new DateTime();

                $message->body($twig->render('notify', $template));
            } catch (\Throwable $e) {
                $message->body($e->getMessage());
                $message->tags(["warning"]);
            }

            $client->send($message);
        }

        $sio->success("Complete");
        return Command::SUCCESS;
    }
}