<?php


namespace Flowdat\Stats\Command\NAS;


use Doctrine\DBAL\DBALException;
use Flowdat\Stats\App\Helper\RedisHelper;
use Flowdat\Stats\App\Service\Doctrine\DoctrineService;
use Flowdat\Stats\App\Service\SNMP\SNMPService;
use Flowdat\Stats\App\Service\StatsD\StatsDService;
use Flowdat\Stats\SNMP\NAS\SNMP;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

class NasOnuOctetsCommand extends Command
{
    protected $nasDeviceId;
    protected $nasServerId;
    protected $nasIp;
    protected $nasCommunity;
    protected $nasSnmpLibrary;
    protected $flag;
    protected $apiSNMP;
    protected $inicio;
    protected $fin;
    private $redisHelper;

    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)
            ))
        ;
    }

    public function execute(InputInterface $input, OutputInterface $output)
    {
        $redisHelper = new RedisHelper();
        $msg = PHP_EOL."################################################# (".date("Y-m-d H:i:s").")";
        $output->writeln($msg);

        $nasDeviceId = (int) $input->getOption('nas-device-id');
        $nasServerId = (int) $input->getOption('nas-server-id');
        $nasIp = $input->getOption('nas-ip');
        $nasCommunity = $input->getOption('nas-community');
        $nasSnmpLibrary = $input->getOption('nas-snmp-library');
        $saveHistoric = (int) $input->getOption('save-historic');
        $d_s = "d_{$nasDeviceId}_s_{$nasServerId}";

        $cmd = str_replace(":","_",$this->getName());
        $output->writeln("INICIO COMANDO {$cmd} | {$d_s}");

        $flag = "{$d_s}_cmd_$cmd";

        if (!RedisHelper::lock($flag)) {
            exit(1);
        }

        $SNMP = new SNMP($nasIp, $nasCommunity);
        $snmpService = new SNMPService($flag);

        $key_nas_onu_bandwidth = "nas_bandwidth_onu_{$d_s}";
        $inicio = microtime(true);

        $library = "use".$nasSnmpLibrary;
        $apiSNMP = $SNMP->$library();

        $bandwidthCached = $redisHelper->getData($key_nas_onu_bandwidth, true);
        $onus = $snmpService->getSNMP($apiSNMP, "onuSerialNumber","onu", $output);
        //counter64
        $inOctets = $snmpService->getSNMP($apiSNMP, "onuInOctets","onuInOctets", $output);
        $outOctets = $snmpService->getSNMP($apiSNMP, "onuOutOctets","onuOutOctets", $output);

        $consumptionData = $sendData = array();

        $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'];

                $inDiff = $outDiff = $inBandwidth = $outBandwidth = 0;

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

                if(($out1 >= $out0) && ($t1 > $t0)) {
                    $outDiff = $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";

                $div = 1073741824; //bytes => giga
                $consIn = number_format(($inAcc / $div),3,'.','');
                $consOut = number_format(($outAcc / $div),3,'.','');

                $sendData["inconsumption_onu_{$sn}"] = "{$consIn}|g";
                $sendData["outconsumption_onu_{$sn}"] = "{$consOut}|g";

                $div = 1073741824; //bytes => giga
                $inGB =  number_format($inDiff / $div, 5,".","");
                $outGB = number_format($outDiff / $div, 5,".","");
                $fatherDevice = $nasDeviceId;
                $server = $nasServerId;
                $fatherDeviceType = 3;
                $device = $sn;
                $date = date("Y-m-d");
                $consumptionData[] = "({$server},{$fatherDevice},{$fatherDeviceType},'{$device}','{$date}',{$inGB},{$outGB})";

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

                $totalConsOut += $outAcc;
                $totalConsIn += $inAcc;

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

        }

        $redisHelper->setData($key_nas_onu_bandwidth, $bandwidthCached, true);

        $this->saveConsumption($consumptionData);

        if($sendData && $saveHistoric) {
            $t_start_script = microtime(true);
            (new StatsDService())->send($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 */
        RedisHelper::removeLock($flag);

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

    }

    private function saveConsumption($data)
    {
        if ($data) {
            $query = "INSERT LOW_PRIORITY INTO `device_consumption` (`server_id`, `father_device_id`, `father_device_type`, `device`, `date`,`cons_in`,`cons_out`) VALUES " . implode(",", $data) . " ON DUPLICATE KEY UPDATE cons_out = cons_out + VALUES(cons_out), cons_in = cons_in + VALUES(cons_in);";
            try {
                (new DoctrineService())->executeQueries(array($query));
            } catch (DBALException $e) {

            }
        }
    }
}