<?php

namespace NasBundle\Command;

use BaseStatsBundle\Command\BaseCommand;
use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use NasBundle\SNMP\SNMP as SNMP;
//use RedisBundle\Services\RedisService;

class NasOnuOctetsCommand extends BaseCommand
{

    protected $nasDeviceId;
    protected $nasServerId;
    protected $nasIp;
    protected $nasCommunity;
    protected $nasSnmpLibrary;
    protected $flag;
    protected $apiSNMP;
    protected $inicio;
    protected $fin;

    protected function configure()
    {
        $this
            ->setName('nas:onu:octets')
            ->setDescription('Bandwidth ONTs de NAS')
            ->setHelp('Se requieren parámetros para poder realizar la correcta consulta. El comando requiere Redis.')
            ->setDefinition(array(
                new InputOption('nas-device-id', null, InputOption::VALUE_OPTIONAL, "DeviceId del NAS",1),
                new InputOption('nas-server-id', null, InputOption::VALUE_OPTIONAL, "ServerDevice del NAS",1),
                new InputOption('nas-ip', false, InputOption::VALUE_OPTIONAL, "IP del NAS"),
                new InputOption('nas-community', false, InputOption::VALUE_OPTIONAL, "COMMUNITY del NAS"),
                new InputOption('nas-snmp-library', false, InputOption::VALUE_OPTIONAL, "Versión de librería SNMP"),
                new InputOption('save-historic', null, InputOption::VALUE_OPTIONAL, "Send data to StatsD",1)
            ))
        ;
    }

    /**
     * @param InputInterface $input
     * @param OutputInterface $output
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {

        $this->inicio = microtime(true);
        $this->output = $output;
        $this->setCollector();
        
        $msg = PHP_EOL."################################################# (".date("Y-m-d H:i:s").")";
        $this->output->writeln($msg);
        
        $this->nasDeviceId = (int) $input->getOption('nas-device-id');
        $this->nasServerId = (int) $input->getOption('nas-server-id');
        $this->nasIp = $input->getOption('nas-ip');
        $this->nasCommunity = $input->getOption('nas-community');
        $this->nasSnmpLibrary = $input->getOption('nas-snmp-library');
        $this->d_s = "d_{$this->nasDeviceId}_s_{$this->nasServerId}";
        
        $cmd = str_replace(":","_",$this->getName());
        $this->output->writeln("INICIO COMANDO {$cmd} | {$this->d_s}");
        
        $this->flag = "{$this->d_s}_cmd_$cmd";
        
        if($this->lock($this->flag)) {exit(1);}
        
        //$key_nas_scan = "nas_scan_{$this->d_s}";
        $key_nas_onu_bandwidth = "nas_bandwidth_onu_{$this->d_s}";
        $saveHistoric = (int) $input->getOption('save-historic');
        $inicio = microtime(true);

        $SNMP = new SNMP($this->nasIp, $this->nasCommunity);
        $library = "use".$this->nasSnmpLibrary;
        $this->apiSNMP = $SNMP->$library();
        
        $bandwidthCached = $this->getData($key_nas_onu_bandwidth, true);

        
        $onus = $this->getSNMP("onuSerialNumber","onuSerialNumber");
        
        //counter64
        $inOctets = $this->getSNMP("onuInOctets","onuInOctets");
        $outOctets = $this->getSNMP("onuOutOctets","onuOutOctets");

        $sendData = array();
        
        $subId = $this->d_s;
        
        $t1 = time();
        $totalConsOut = $totalConsIn = $totalIn = $totalOut = 0;
        foreach($onus as $index => $onu) {

            if(preg_match("/^<pppoe-([^-]+)[-\d]*>$/",$onu, $match)){
                $sn = strtolower($match[1]);
            } else {
                continue;
            }

            (isset($inOctets[$index]))? $in1 = $inOctets[$index] : $in1 = 0;
            (isset($outOctets[$index]))? $out1 = $outOctets[$index] : $out1 = 0;

            if(isset($bandwidthCached[$index])) {
                $t0 = $bandwidthCached[$index]['t'];
                $in0 = $bandwidthCached[$index]['inOct'];
                $out0 = $bandwidthCached[$index]['outOct'];
                $inAcc = $bandwidthCached[$index]['inAcc'];
                $outAcc = $bandwidthCached[$index]['outAcc'];

                $inBandwidth = $outBandwidth = 0; 
                 
                if(($in1 >= $in0) && ($t1 > $t0)) {
                    $diff = $in1 - $in0;
                    $inAcc += $diff;
                    $inBandwidth = ($diff / ($t1 - $t0)) * 8;
                }

                if(($out1 >= $out0) && ($t1 > $t0)) {
                    $diff = $out1 - $out0;
                    $outAcc += $diff;
                    $outBandwidth = ($diff / ($t1 - $t0)) * 8;
                }

                $totalIn += $inBandwidth;
                $totalOut += $outBandwidth;

                $sendData["inbandwidth_onu_{$sn}"] = "{$inBandwidth}|g";
                $sendData["outbandwidth_onu_{$sn}"] = "{$outBandwidth}|g";

                if(date("d",$t0) != date("d",$t1)) {
                    $inAcc = $outAcc = 0;
                }

                $totalConsOut += $outAcc;
                $totalConsIn += $inAcc;
                
                $bandwidthCached[$index] = array('t' => $t1, 'inOct' => $in1, 'outOct' => $out1, 'inAcc' => $inAcc, 'outAcc' => $outAcc, 'inBand' => $inBandwidth, 'outBand' => $outBandwidth);
            } else {
                $bandwidthCached[$index] = array('t' => $t1, 'inOct' => $in1, 'outOct' => $out1, 'inAcc' => 0, 'outAcc' => 0, 'inBand' => 0, 'outBand' => 0);
            }
        }

        $this->setData($key_nas_onu_bandwidth, $bandwidthCached, true);
        
        if($sendData && $saveHistoric) {
            $t_start_script = microtime(true); 
            $statsdService = $this->getContainer()->get('statsd');
            $statsdService->send($sendData);
            $t_end_script = microtime(true); 
            $time = $t_end_script - $t_start_script;
            print_r("Tiempo de envío al StatsD: {$time} ms / Cantidad: ".count($sendData).PHP_EOL);
        }


        /* Fin de bloqueo */
        $this->removeLock($this->flag);

        $fin = microtime(true);
        $time = $fin - $inicio;
        $this->output->writeln("Tiempo: $time segundos");
        
    }

    /**
     * 
     * @param string $function
     * @param string $log
     * @return array
     * 
     * Description: Ejecuta SNMP mientras se mide tiempo y errores
     */
    protected function getSNMP($function, $log) {
        
        $inicio = microtime(true);
        $error = array();
        try {
            $data = $this->apiSNMP->$function();   
        }  catch (\Exception $e) {
            $error['msg'] = $e->getMessage();
            $data = array();
            //LOG REPORT ERROR
        }
        $fin = microtime(true);
        $time = $fin - $inicio;
        
        $statsdService = $this->getContainer()->get('statsd');
        $m = "{$this->d_s}_snmp_$log";
        $statsdService->send(array($m => "{$time}|g"));
        
        $this->output->writeln("Tiempo {$function} / {$log}: $time segundos");

        if($error) {
            $doctrine = $this->getContainer()->get('doctrine.orm.entity_manager');
            $device = $doctrine->getRepository('\StatsBundle\Entity\Device')->findOneBy(array('deviceServer' => $this->nasServerId, 'deviceType' => 'RadiusBundle\Entity\NAS', 'deviceId' => $this->nasDeviceId));
            if($device) {
                $reportManager = $this->getContainer()->get('stats.report.manager');
                $reportManager->create("RadiusBundle\Entity\NAS", "SNMP_ERROR", $this->nasDeviceId, $this->nasServerId, $device->getTenancyId(), $error);
            }
            
        }
        return $data;

    }

}