<?php
namespace Incoviba\Service;

use Exception;
use Psr\Http\Message\RequestInterface;
use Psr\Log\LoggerInterface;
use Incoviba\Common\Ideal;
use Incoviba\Exception\ServiceAction\{Create, Read};
use Incoviba\Service;

class Queue extends Ideal\Service
{
    public function __construct(LoggerInterface $logger, protected Service\Job $jobService, Worker $defaultWorker)
    {
        parent::__construct($logger);
        $this->register('default', $defaultWorker);
    }

    protected array $workers;
    public function register(string $name, Worker $worker): self
    {
        $this->workers[strtolower($name)] = $worker;
        return $this;
    }

    public function enqueue(array $configuration): bool
    {
        try {
            $this->jobService->add($configuration);
            return true;
        } catch (Create $exception) {
            $final = new Exception("Could not enqueue job", 0, $exception);
            $this->logger->warning($final);
            return false;
        }
    }

    /**
     * @return array
     */
    public function getPendingJobs(): array
    {
        return $this->jobService->getPending();
    }
    public function runJob(int $job_id, ?RequestInterface $request = null): bool
    {
        try {
            $job = $this->jobService->getPendingById($job_id);
        } catch (Read $exception) {
            $this->logger->debug($exception);
            return false;
        }

        $type = 'default';
        if (isset($job->configuration['type'])) {
            $type = strtolower($job->configuration['type']);
        }
        if (!isset($this->workers[$type])) {
            $type = 'default';
        }

        $worker = $this->workers[$type];
        if (is_a($worker, Service\Worker\Request::class) and $request !== null) {
            $worker->setRequest($request);
        }

        try {
            if (!$worker->execute($job)) {
                $this->logger->debug("Could not execute job {$job_id}");
                return false;
            }
            if (!$this->jobService->execute($job)) {
                $this->logger->debug("Could not remove job {$job_id}");
                return false;
            }
        } catch (Exception $exception) {
            $final = new Exception("Could not run job", 0, $exception);
            $this->logger->warning($final);
            return false;
        }
        return true;
    }
    public function run(?RequestInterface $request = null): bool
    {
        try {
            $jobs = $this->jobService->getPending();
        } catch (Read $exception) {
            $final = new Exception("Could not get pending jobs", 0, $exception);
            $this->logger->warning($final);
            return false;
        }

        $errors = [];
        foreach ($jobs as $job) {
            try {
                $this->runJob($job->id, $request);
            } catch (Exception) {
                $errors []= $job->id;
            }
        }
        return count($errors) === 0;
    }
}