<?php

declare(strict_types=1);

namespace Domovoy\Controllers;

use Domovoy\Repositories\DiscoveredHostRepository;
use Domovoy\Repositories\NetworkRangeRepository;
use Domovoy\Services\Inventory\DeviceService;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;

class DiscoveriesController
{
    public function __construct(
        private DiscoveredHostRepository $discoveredHostRepository,
        private NetworkRangeRepository $networkRangeRepository,
        private DeviceService $deviceService
    ) {
    }

    public function index(ServerRequestInterface $request, ResponseInterface $response): ResponseInterface
    {
        $filters = $this->filters($request);
        $ranges = $this->networkRangeRepository->findAll();
        $findings = $this->discoveredHostRepository->findFiltered(
            $filters['range_id'],
            $filters['scan_job_id'],
            $filters['status'],
            200,
            $filters['sort'],
            $filters['dir']
        );

        ob_start();
        $username = $_SESSION['username'] ?? 'User';
        require dirname(__DIR__, 2) . '/templates/discoveries/index.php';
        $body = ob_get_clean();
        $response->getBody()->write($body);
        return $response;
    }

    public function table(ServerRequestInterface $request, ResponseInterface $response): ResponseInterface
    {
        $filters = $this->filters($request);
        $findings = $this->discoveredHostRepository->findFiltered(
            $filters['range_id'],
            $filters['scan_job_id'],
            $filters['status'],
            200,
            $filters['sort'],
            $filters['dir']
        );

        ob_start();
        require dirname(__DIR__, 2) . '/templates/discoveries/_table.php';
        $body = ob_get_clean();
        $response->getBody()->write($body);
        return $response;
    }

    public function merge(ServerRequestInterface $request, ResponseInterface $response): ResponseInterface
    {
        $data = $request->getParsedBody();
        $hostId = isset($data['host_id']) ? (int)$data['host_id'] : 0;
        $deviceId = isset($data['device_id']) ? (int)$data['device_id'] : 0;

        if ($hostId > 0 && $deviceId > 0) {
            $this->deviceService->mergeDiscoveredHost($hostId, $deviceId);
        }

        $referer = $request->getHeaderLine('Referer') ?: '/discoveries';
        return $response
            ->withHeader('Location', $referer)
            ->withStatus(302);
    }

    /**
     * @return array{range_id: ?int, scan_job_id: ?int, status: ?string, sort: string, dir: string}
     */
    private function filters(ServerRequestInterface $request): array
    {
        $query = $request->getQueryParams();
        $status = (string)($query['status'] ?? 'new');
        $sort = (string)($query['sort'] ?? 'ip');
        $dir = strtolower((string)($query['dir'] ?? 'asc')) === 'desc' ? 'desc' : 'asc';

        return [
            'range_id' => isset($query['range_id']) && $query['range_id'] !== '' ? (int)$query['range_id'] : null,
            'scan_job_id' => isset($query['scan_job_id']) && $query['scan_job_id'] !== '' ? (int)$query['scan_job_id'] : null,
            'status' => $status === 'all' ? null : $status,
            'sort' => $sort,
            'dir' => $dir,
        ];
    }
}