<?php
namespace Incoviba\Service;

use PDOException;
use Psr\Log\LoggerInterface;
use Incoviba\Common\Ideal;
use Incoviba\Common\Implement\Exception\EmptyResult;
use Incoviba\Exception\ServiceAction\{Create, Read, Update};
use Incoviba\Repository;
use Incoviba\Model;

class Job extends Ideal\Service
{
    public function __construct(LoggerInterface $logger, protected Repository\Job $jobRepository)
    {
        parent::__construct($logger);
    }

    /**
     * @param array $configuration
     * @return Model\Job
     * @throws Create
     */
    public function add(array $configuration): Model\Job
    {
        try {
            $data = [
                'configuration' => json_encode($configuration)
            ];
            $job = $this->jobRepository->create($data);
            return $this->process($this->jobRepository->save($job));
        } catch (PDOException $exception) {
            throw new Create(__CLASS__, $exception);
        }
    }

    /**
     * @return array
     * @throws Read
     */
    public function getPending(): array
    {
        try {
            return array_map([$this, 'process'],$this->jobRepository->fetchPending());
        } catch (EmptyResult $exception) {
            throw new Read(__CLASS__, $exception);
        }
    }

    /**
     * @param Model\Job $job
     * @return bool
     * @throws Update
     */
    public function execute(Model\Job $job): bool
    {
        try {
            $this->jobRepository->edit($job, ['executed' => true]);
            return true;
        } catch (EmptyResult | PDOException $exception) {
            throw new Update(__CLASS__, $exception);
        }
    }

    protected function process(Model\Job $job): Model\Job
    {
        return $job;
    }
}