<?php

declare(strict_types=1);

namespace App\Command;

use App\Repository\LogEntryRepository;
use Psr\Log\LoggerInterface;
use Symfony\Component\Console\Attribute\AsCommand;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;

#[AsCommand(
    name: 'app:cleanup:log-entries',
    description: 'Removes log entries older than the specified retention period'
)]
class CleanupLogEntriesCommand extends Command
{
    private const DEFAULT_RETENTION_MONTHS = 6;

    public function __construct(
        private readonly LogEntryRepository $logEntryRepository,
        private readonly LoggerInterface $logger,
    ) {
        parent::__construct();
    }

    protected function configure(): void
    {
        $this->addOption(
            'retention',
            'r',
            InputOption::VALUE_REQUIRED,
            'Retention period in months',
            (string) self::DEFAULT_RETENTION_MONTHS
        );
    }

    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $io = new SymfonyStyle($input, $output);

        $retentionMonths = (int) $input->getOption('retention');
        if ($retentionMonths < 1) {
            $io->error('Retention period must be at least 1 month.');

            return Command::FAILURE;
        }

        $threshold = (new \DateTimeImmutable())->modify(sprintf('-%d months', $retentionMonths));

        $deletedCount = $this->logEntryRepository->deleteOlderThan($threshold);

        $message = sprintf(
            'Removed %d log entries older than %d month%s (before %s)',
            $deletedCount,
            $retentionMonths,
            1 === $retentionMonths ? '' : 's',
            $threshold->format('Y-m-d H:i:s')
        );

        $this->logger->info($message);
        $io->success($message);

        return Command::SUCCESS;
    }
}