<?php


namespace Flowdat\Export\App\Service;

use Flowdat\Export\App\Enum\NotificationEnum;
use Flowdat\Export\App\Factory\ExportFactory;
use Flowdat\Export\App\Factory\S3Factory;

class OnuService
{

    private $requestService;

    private $notificationService;

    /**
     * OnuService constructor.
     */
    public function __construct()
    {
        $this->requestService = new RequestService();
        $this->notificationService = new NotificationService();
    }

    public function exportOnus($data, $headers, $notificationId){
        try{
            $tenancyId = $data['tenancyId'];
            $format = $data['format'];
            $endpointBase = $data['endpointBase'];
            $endpointOnus = $data['endpointOnus'];

            $onus = $this->getOnus($endpointOnus, $headers, $tenancyId);

            $clientsIds = array_map(function ($onu){
                return $onu['clientId'];
            }, $onus);
            $clientsIds = array_unique($clientsIds);

            $clients = $this->getClients($clientsIds, $endpointBase, $headers);

            foreach($onus as $key => $onu){
                $onus[$key]['created'] = $onus[$key]['created']['date'];
                $onus[$key]['updated'] = is_array($onus[$key]['updated']) ? $onus[$key]['updated']['date'] : null;
                if(isset($clients[$onu['clientId']])){
                    $client = $clients[$onu['clientId']];
                    $onus[$key]['externalId'] = $client['externalId'];
                    $onus[$key]['clientName'] = $client['name'];
                }

                $onus[$key] = array_reverse($onus[$key]);
            }

            $header = [
                'Nombre Cliente',
                'External ID Cliente',
                'Client ID',
                'Pon Serial Number',
                'Serial Number',
                'Estado',
                'NAP',
                'OLT',
                'Código de Activación',
                'VoIP',
                'CATV',
                'Position',
                'LINK',
                'SLOT',
                'Validación Radius',
                'MAC',
                'IP',
                'Creada',
                'Actualizada'
            ];

            $fileName = $data['filename'];
            $filePath = ExportFactory::create($format, $fileName, $onus, $header);

            $filePathS3 = '';
            if(is_file($filePath)){
                $filePathS3 = S3Factory::send($filePath, $fileName);
            }

            unlink($filePath);

            $this->updateNotification($endpointBase, $headers, $notificationId, $filePathS3);
            return true;
        } catch (\Exception $ex){
            echo $ex->getMessage();

            $this->notificationService->update($endpointBase, $notificationId, [
                'message' => $ex->getMessage(),
                'status' => NotificationEnum::ERROR
            ], $headers);
        }

        return true;
    }

    /**
     * @param $endpoint
     * @param $tenancyId
     * @param $headers
     * @return bool|mixed
     * @throws \Exception
     */
    public function getOnus($endpoint, $headers, $tenancyId){
        try {
            $page = 1;
            $limit = 1000;
            $onus = [];

            $this->makeRequestAndInsertOnu($endpoint, $headers, $onus, $page, $limit, $tenancyId);

            return $onus;
        } catch (\Exception $ex) {
            throw new \Exception($ex->getMessage());
        }
    }

    public function makeRequestAndInsertOnu($endpoint, $headers, &$onus, $currentPage, $limit, $tenancyId){
        try{
            $params = [
                'filters' => [
                    'currentPage' => $currentPage,
                    'limit' => $limit,
                    'tenancyId' => $tenancyId
                ]
            ];

            $requestOnu = $this->requestService->get($this->requestService->buildUrl($endpoint, $params), $headers);

            if($requestOnu['statusCode'] != 200){
                echo "Isn't possible to get a some ONUS \n";
                return true;
            }
            $response = json_decode($requestOnu['response'], true);

            $qtdPage = $response['pages'];
            echo "Getting ONUs {$currentPage}/{$qtdPage}".PHP_EOL;

            foreach ($response['data'] as $onu){
                array_push($onus, $onu);
            }

            if($response['hasNext']){
                $currentPage++;
                return $this->makeRequestAndInsertOnu($endpoint, $headers, $onus, $currentPage, $limit, $tenancyId);
            }

            return true;
        }catch (\Exception $ex){
            throw new \Exception($ex->getMessage());
        }
    }

    public function getClients($allClientsIds, $endpointBase, $headers){
        try{
            $clientsIdsChunk = array_chunk($allClientsIds, 1000);
            $clients = [];

            $qtdClientsPage = count($clientsIdsChunk);
            $i = 1;
            foreach ($clientsIdsChunk as $clientIds){
                $params = [
                    'filters' => [
                        'qb-criteria' => true,
                        'qb-ids' => implode(",", $clientIds)
                    ]
                ];

                $url = $this->requestService->buildUrl($endpointBase.'/api/clients', $params);

                $requestClients = $this->requestService->get($url, $headers);
                if($requestClients['statusCode'] != 200){
                    echo "Isn't possible get the clients \n";
                    continue;
                }

                echo "Getting Clients $i/$qtdClientsPage".PHP_EOL;
                $i++;

                $response = json_decode($requestClients['response'], true);
                foreach ($response as $client){
                    $clients[$client['id']] = ['id' => $client['id'], 'name' => $client['name'], 'externalId' => $client['externalId']];
                }
            }

            return $clients;
        }catch (\Exception $ex){
            throw new \Exception($ex->getMessage());
        }
    }

    public function updateNotification($endpointBase, $headers, $notificationId, $filePathS3){
        echo "Updating notification with ID ".$notificationId.PHP_EOL;
        try {
            $this->notificationService->update($endpointBase, $notificationId, [
                'message' => 'Finalizó la exportación de ONUs',
                'hasFile' => true,
                'file' => $filePathS3,
                'status' => NotificationEnum::FINISHED
            ], $headers);
            echo "Finished update".PHP_EOL;
        } catch (\Exception $e) {
            $this->notificationService->update($endpointBase, $notificationId, [
                'message' => $e->getMessage(),
                'status' => NotificationEnum::ERROR
            ], $headers);
        }
    }
}