<?php

declare(strict_types=1);

namespace App\State;

use ApiPlatform\Metadata\Operation;
use ApiPlatform\State\ProviderInterface;
use App\ApiResource\LogOutput;
use App\Repository\EnvironmentRepository;
use App\Repository\LogFileRepository;
use App\Service\LogService;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

final readonly class SymfonyLogProvider implements ProviderInterface
{
    public function __construct(
        private EnvironmentRepository $environmentRepository,
        private LogFileRepository $logFileRepository,
        private LogService $logService,
        private RequestStack $requestStack,
    ) {}

    public function provide(Operation $operation, array $uriVariables = [], array $context = []): LogOutput
    {
        $envId = $uriVariables['id'] ?? null;
        $logFileId = $uriVariables['logFileId'] ?? null;

        $environment = $envId ? $this->environmentRepository->find($envId) : null;
        if (null === $environment) {
            throw new NotFoundHttpException(sprintf('Environment "%s" not found.', $envId));
        }

        $logFile = $logFileId ? $this->logFileRepository->find($logFileId) : null;
        if (null === $logFile || $logFile->getEnvironment()?->getId() !== $environment->getId()) {
            throw new NotFoundHttpException(sprintf('Log file "%s" not found.', $logFileId));
        }

        $request = $this->requestStack->getCurrentRequest();
        $lines = (int) ($request?->query->get('lines', '100') ?? 100);
        $level = $request?->query->get('level');

        $content = $this->logService->getSymfonyLog(
            $environment->getContainerName(),
            $logFile->getPath(),
            $lines,
            $level,
        );

        $dto = new LogOutput();
        $dto->content = $content;
        $dto->lines = $lines;
        $dto->source = sprintf('symfony:%s', $logFile->getLabel());

        return $dto;
    }
}