<?php
namespace Modules\Profiler\Middleware;

use Illuminate\Http\Request;
use Modules\Profiler\Entities\HttpLog;
use Modules\Profiler\Entities\QueryLog;

class Profiler
{
    private $queries = [];

    public function handle(Request $request, $next)
    {
        \DB::enableQueryLog();
        return $next($request);
    }

    public function terminate(Request $request, $response)
    {
        $this->queries = \DB::getQueryLog();

        $requestId = $this->logRequest($request);
        $this->logQueries($requestId);
    }

    /**
     *
     *
     * @param Request $request
     *
     * @return mixed
     */
    protected function logRequest(Request $request)
    {
        $url = $request->fullUrl();
        $method = $request->getMethod();
        $time = (microtime(true) - LARAVEL_START) * 1000;

        $data = ['url' => $url, 'method' => $method, 'time' => $time];

        if (function_exists('sys_getloadavg')) {
            $load = sys_getloadavg();
            $data['load_1'] = $load[0];
            $data['load_5'] = $load[1];
            $data['load_15'] = $load[2];
        }

        $http = HttpLog::create($data);

        return $http->id;
    }

    protected function logQueries($httpLogId = null)
    {
        foreach ($this->queries as $query) {
            QueryLog::create([
                                 'query'       => $query['query'],
                                 'bindings'    => $query['bindings'],
                                 'time'        => $query['time'],
                                 'http_log_id' => $httpLogId
                             ]);
        }
    }
}