<?php
namespace ProVM\Command\Jobs;

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\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;
use ProVM\Service\Communicator;
use function Safe\json_decode;

#[AsCommand(
    name: 'jobs:check',
    description: 'Check for pending jobs',
    hidden: false
)]
class Check extends Command
{
    public function __construct(protected Communicator $communicator, protected LoggerInterface $logger, string $name = null)
    {
        parent::__construct($name);
    }

    protected function getPendingJobs(): array
    {
        $this->logger->notice('Grabbing pending jobs.');
        $response = $this->communicator->get('/jobs/pending');
        $body = $response->getBody()->getContents();
        if (trim($body) === '') {
            return [];
        }
        return json_decode($body)->jobs;
    }
    protected function runJob($job): bool
    {
        $base_command = '/app/bin/emails';
        $cmd = [$base_command, $job->command];
        if ($job->arguments !== '') {
            $cmd []= $job->arguments;
        }
        $cmd = implode(' ', $cmd);
        $this->logger->notice("Running '{$cmd}'");
        $response = shell_exec($cmd);
        $this->logger->info("Result: {$response}");
        return $response !== false;
    }

    public function execute(InputInterface $input, OutputInterface $output)
    {
        $section1 = $output->section();
        $section2 = $output->section();
        $io1 = new SymfonyStyle($input, $section1);
        $io2 = new SymfonyStyle($input, $section2);
        $io1->title('Checking Pending Jobs');
        $pending_jobs = $this->getPendingJobs();
        $notice = 'Found ' . count($pending_jobs) . ' jobs';
        $io1->text($notice);
        $this->logger->info($notice);
        if (count($pending_jobs) > 0) {
            $io1->section('Running Jobs');
            $io1->progressStart(count($pending_jobs));
            foreach ($pending_jobs as $job) {
                $section2->clear();
                $io2->text("Running {$job->command}");
                if ($this->runJob($job)) {
                    $io2->success('Success');
                } else {
                    $io2->error('Failure');
                }
                $io1->progressAdvance();
            }
        }
        $section2->clear();
        $io2->success('Done');

        return Command::SUCCESS;
    }
}