<?php

namespace App\Helpers;

/**
 * SendSMSHelper
 *
 * This class is responsible for sending SMS messages using a third-party SMS service.
 * It constructs the URL for the API request, sends the SMS, and logs the response and record the status in db.
 *
 * @package App\Helpers
 */

use App\Models\NotificationModel;


class SendSMSHelper
{
    protected $apiKey;
    protected $logger;
    protected $senderId;
    protected $smsType;
    protected $templateType;
    protected $url;
    protected $renewalTemplateID;

    protected $notificationModel;

    public function __construct(){
        
        $this->apiKey = trim(getenv('SMS_API_KEY'));
        $this->senderId = getenv('SMS_SENDER_ID');
        $this->templateType = getenv('SMS_TEMPLATE_TYPE');
        $this->logger = service('logger');
        $this->url = trim(getenv('SMS_BASE_URL'));
        $this->renewalTemplateID = getenv('SMS_RENEWAL_TEMPLATE_ID');

        $this->notificationModel = new NotificationModel();
    }

    public function sendSMS($message,$mobile_number,$campaignID = null,$membershipID = null){

        $this->logger->error('SMS Helper : SMS Request Data type = '.($campaignID));
        $this->logger->error('SMS Helper : SMS Request Data = '.json_encode($message));
        $this->logger->error('SMS Helper : SMS Request Mobile Number = '.json_encode($mobile_number));

        if (is_array($mobile_number)){

            $mobile_number = implode(",",$mobile_number);
        }

        if (empty($mobile_number) || $mobile_number == null || $mobile_number == ""){
            $this->logger->error('SMS Helper : SMS Request Mobile Number is Empty');
            return "Mobile Number is Empty";
        }

        $message_encode = ($message);
        $this->logger->error('SMS Helper : SMS URLENCODED MESSAGE = '.$message_encode);

        $url = $this->constructSMSURL($message_encode,$mobile_number);

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

        // Set a timeout of 10 seconds
        curl_setopt($ch, CURLOPT_TIMEOUT, 10); 

        $output = curl_exec($ch);
        if ($output === false) {
            $this->logger->error('SMS Helper : SMS CURL Error = '.curl_error($ch));
        } else {
            $this->logger->error('SMS Helper : SMS CURL Response = '.$output);
            // return $output;
        }

        
        curl_close($ch);
        $mobile_number = str_replace("91","",$mobile_number);

        if (!empty($campaignID)){
            $this->saveSMSHistory($output,$mobile_number,$message,$campaignID,$membershipID);
        }

        $output_to_display = str_contains($output, 'success')? "SMS Sent Successfully" : "SMS Sending Failed";

        return $output_to_display;

    }
    public function constructSMSURL($message, $mobile_number){
        $this->logger->error('SMS Helper : SMS URL Construction');
    
        $params = [
            'APIKEY'      => $this->apiKey,
            'MobileNo'    => $mobile_number,
            'SenderID'    => $this->senderId,
            'Message'     => $message,
            'ServiceName' => $this->templateType,
            'DLTTemplateID' => $this->renewalTemplateID,
        ];
        
        $URL = $this->url.http_build_query($params);
        $this->logger->error('SMS Helper : SMS URL = '.$URL);
        return $URL;

    }

    public function saveSMSHistory($output,$mobile_number,$message,$campaignID = null,$membershipID = null){

        $where = [
            'mobile_no' => $mobile_number,
            'isactive' => 1
        ];

        $insertStatus = $this->notificationModel->saveSmSHistory($where,$campaignID,$message, $output,$membershipID);
        if ($insertStatus){
            $this->logger->error('SMS Helper : SMS History Inserted Successfully');
        }else{
            $this->logger->error('SMS Helper : SMS History Insertion Failed');
        }

    }
    

}