<?php

declare(strict_types=1);

namespace Tests\Artprima\PrometheusMetricsBundle\Fixtures\App;

use Psr\Log\NullLogger;
use Symfony\Component\Config\Loader\LoaderInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\HttpKernel\Kernel;

/**
 * App Test Kernel for functional tests.
 *
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
class AppKernel extends Kernel
{
    private $varDir;
    private $testCase;
    private $rootConfig;

    public function __construct($varDir, $testCase, $rootConfig, $environment, $debug)
    {
        if (!is_dir(__DIR__.'/'.$testCase)) {
            throw new \InvalidArgumentException(sprintf('The test case "%s" does not exist.', $testCase));
        }
        $this->varDir = $varDir;
        $this->testCase = $testCase;

        $fs = new Filesystem();
        if (!$fs->isAbsolutePath($rootConfig) && !file_exists($rootConfig = __DIR__.'/'.$testCase.'/'.$rootConfig)) {
            throw new \InvalidArgumentException(sprintf('The root config "%s" does not exist.', $rootConfig));
        }
        $this->rootConfig = $rootConfig;

        parent::__construct($environment, $debug);
    }

    public function registerBundles(): iterable
    {
        if (!file_exists($filename = $this->getRootDir().'/'.$this->testCase.'/bundles.php')) {
            throw new \RuntimeException(sprintf('The bundles file "%s" does not exist.', $filename));
        }

        return include $filename;
    }

    public function getRootDir(): string
    {
        return __DIR__;
    }

    public function getCacheDir(): string
    {
        return sys_get_temp_dir().'/'.$this->varDir.'/'.$this->testCase.'/cache/'.$this->environment;
    }

    public function getLogDir(): string
    {
        return sys_get_temp_dir().'/'.$this->varDir.'/'.$this->testCase.'/logs';
    }

    public function registerContainerConfiguration(LoaderInterface $loader)
    {
        $loader->load($this->rootConfig);
    }

    public function serialize()
    {
        return serialize([$this->varDir, $this->testCase, $this->rootConfig, $this->getEnvironment(), $this->isDebug()]);
    }

    public function unserialize($str)
    {
        $a = unserialize($str);
        $this->__construct($a[0], $a[1], $a[2], $a[3], $a[4]);
    }

    public function getProjectDir(): string
    {
        return __DIR__;
    }

    protected function build(ContainerBuilder $container): void
    {
        $container->register('logger', NullLogger::class);
    }

    protected function getKernelParameters(): array
    {
        $parameters = parent::getKernelParameters();
        $parameters['kernel.test_case'] = $this->testCase;

        return $parameters;
    }
}
