<?php

namespace Lightscale\LaralightAccessLog\Http;

use Lightscale\AccessLog\Models\AccessLog;

use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;

use Closure;

class AccessLogMiddleware
{
    protected function properties(Request $request, Response $response): ?iterable
    {
        $props = [];

        if (config('access_log.log_ip')) {
            $props['ip'] = $request->ip();
        }

        if (config('access_log.log_referer')) {
            $props['referer'] = $request->header('Referer');
        }

        if (config('access_log.log_user_agent')) {
            $props['user_agent'] = $request->userAgent();
        }

        return empty($props) ? null : $props;
    }

    protected function shouldLog(Request $request): bool
    {
        $logUnauth = config('access_log.log_unauthenticated');
        $shouldLogAuth = $logUnauth ? true : $request->user() !== null;
        return config('access_log.enabled') && $shouldLogAuth;
    }

    protected function createLog(Request $request, Response $response): void
    {
        $model = config('access_log.model');
        $log = new $model([
            'path' => $request->path(),
            'status' => $response->status(),
            'properties' => $this->properties($request, $response),
        ]);
        $log->user()->associate($request->user());
        $log->save();
    }

    public function handle(Request $request, Closure $next): Response
    {
        $response = $next($request);

        if ($this->shouldLog($request)) {
            $this->createLog($request, $response);
        }

        return $response;
    }
}