<?php
namespace Incoviba\Command\Queue;

use Throwable;
use Psr\Log\LoggerInterface;
use Symfony\Component\Console;
use Incoviba\Service;

#[Console\Attribute\AsCommand(name: 'queue:push', description: 'Push a job to the queue')]
class Push extends Console\Command\Command
{
    public function __construct(protected LoggerInterface $logger, protected Service\Job $jobService, ?string $name = null)
    {
        parent::__construct($name);
    }

    protected function configure(): void
    {
        $this->addOption('configurations', 'c', Console\Input\InputOption::VALUE_REQUIRED | Console\Input\InputOption::VALUE_IS_ARRAY, 'Job configuration options array, each job configuration must be in valid JSON format');
        $this->addOption('files', 'f', Console\Input\InputOption::VALUE_REQUIRED | Console\Input\InputOption::VALUE_IS_ARRAY, 'Paths to jobs configurations files with JSON array content');
    }

    protected function execute(Console\Input\InputInterface $input, Console\Output\OutputInterface $output): int
    {
        $io = new Console\Style\SymfonyStyle($input, $output);
        $io->title("Pushing job");

        $configurations = $this->getConfigurations($input);
        if (count($configurations) === 0) {
            $io->error('Missing configurations');
            return self::FAILURE;
        }
        $result = self::SUCCESS;
        foreach ($configurations as $configuration) {
            if (!json_validate($configuration)) {
                $io->error("Invalid JSON: {$configuration}");
                continue;
            }
            $configuration = json_decode($configuration, true);

            try {
                $job = $this->jobService->push($configuration);
                $io->success("Job pushed with ID {$job['id']}");
            } catch (Throwable $exception) {
                $io->error($exception->getMessage());
                $result = self::FAILURE;
            }
        }
        return $result;
    }

    protected function getConfigurations(Console\Input\InputInterface $input): array
    {
        return [
            ...$this->getFilesConfigurations($input),
            ...$this->getOptionConfigurations($input),
        ];
    }
    protected function getFilesConfigurations(Console\Input\InputInterface $input): array
    {
        $configurations = [];
        $files = $input->getOption('files');
        if ($files === null) {
            return $configurations;
        }
        foreach ($files as $filePath) {
            if (!file_exists($filePath)) {
                continue;
            }
            $configurations = array_merge($configurations, $this->getFileConfigurations($filePath));
        }
        return $configurations;
    }
    protected function getFileConfigurations(string $filePath): array
    {
        $configurations = [];
        if (!file_exists($filePath)) {
            return $configurations;
        }
        $json = file_get_contents($filePath);
        if (!json_validate($json)) {
            return $configurations;
        }
        $tmp = json_decode($json, true);
        foreach ($tmp as $config) {
            try {
                $configurations []= $this->processConfiguration(json_encode($config));
            } catch (Throwable $exception) {
                $this->logger->warning($exception->getMessage(), ['exception' => $exception, 'config' => $config]);
            }
        }
        return $configurations;
    }
    protected function getOptionConfigurations(Console\Input\InputInterface $input): array
    {
        $configurations = [];
        $configOptions = $input->getOption('configurations');
        if ($configOptions === null) {
            return $configurations;
        }
        foreach ($configOptions as $config) {
            try {
                $configurations []= $this->processConfiguration($config);
            } catch (Throwable $exception) {
                $this->logger->warning($exception->getMessage(), ['exception' => $exception, 'config' => $config]);
            }
        }
        return $configurations;
    }
    protected function processConfiguration(string $configuration): string
    {
        $json = json_decode($configuration, true);
        if (!array_key_exists('type', $json) and !array_key_exists('configuration', $json)) {
            throw new Console\Exception\InvalidArgumentException('Missing type or configuration key in JSON');
        }
        if (array_key_exists('type', $json)) {
            return json_encode($json);
        }
        return json_encode($json['configuration']);
    }
}