<?php

namespace Pathao\Kanban\Middleware;
use Closure;
use Illuminate\Support\Facades\Redis;
use Pathao\Kanban\Models\Board;
use Predis\Connection\ConnectionException;

class BoardAccessValidationMiddleware
{
    public function handle($request, Closure $next)
    {
        $boardId = $request->route('boardId') ?: $request->route('board');
        $key = 'board-parent:' . $boardId;

        $redis = Redis::connection();

        try {
            // If redis server is not running or connection can't be established, following ping will throw exception
            $redis->ping();

            $clientId = Redis::get($key);

            if(!$clientId) {
                $clientId = $this->getClientId($boardId);

                Redis::set($key, $clientId);
            }
        } catch (ConnectionException $e) {

            $clientId = $this->getClientId($boardId);

        } catch (\Exception $e) {
            throw $e;
        }

        if($clientId != $request->get('client_id')) {
            throw new \Exception('Unauthorized access', 403);
        }

        return $next($request);
    }


}