<?php

namespace App\CentralLogics;

use App\Model\BusinessSetting;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\DB;
use Twilio\Rest\Client;

class SMS_module
{
    public static function send($receiver, $otp)
    {
        $config = self::get_settings('twilio');
        if (isset($config) && $config['status'] == 1) {
            return self::twilio($receiver, $otp);
        }

        $config = self::get_settings('nexmo');
        if (isset($config) && $config['status'] == 1) {
            return self::nexmo($receiver, $otp);
        }

        $config = self::get_settings('2factor');
        if (isset($config) && $config['status'] == 1) {
            return self::two_factor($receiver, $otp);
        }

        $config = self::get_settings('msg91');
        if (isset($config) && $config['status'] == 1) {
            return self::msg_91($receiver, $otp);
        }

        $config = self::get_settings('signal_wire');
        if (isset($config) && $config['status'] == 1) {
            return self::signal_wire($receiver, $otp);
        }

        return 'not_found';
    }

    public static function twilio($receiver, $otp)
    {
        $config = self::get_settings('twilio');
        $response = 'error';
        if (isset($config) && $config['status'] == 1) {
            $message = str_replace("#OTP#", $otp, $config['otp_template']);
            $sid = $config['sid'];
            $token = $config['token'];
            try {
                $twilio = new Client($sid, $token);
                $twilio->messages
                    ->create($receiver, // to
                        array(
                            "messagingServiceSid" => $config['messaging_service_sid'],
                            "body" => $message
                        )
                    );
                $response = 'success';
            } catch (\Exception $exception) {
                $response = 'error';
            }
        }
        return $response;
    }

    public static function nexmo($receiver, $otp)
    {
        $config = self::get_settings('nexmo');
        $response = 'error';
        if (isset($config) && $config['status'] == 1) {
            $message = str_replace("#OTP#", $otp, $config['otp_template']);
            try {
                $ch = curl_init();

                curl_setopt($ch, CURLOPT_URL, 'https://rest.nexmo.com/sms/json');
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
                curl_setopt($ch, CURLOPT_POST, 1);
                curl_setopt($ch, CURLOPT_POSTFIELDS, "from=".$config['from']."&text=".$message."&to=".$receiver."&api_key=".$config['api_key']."&api_secret=".$config['api_secret']);

                $headers = array();
                $headers[] = 'Content-Type: application/x-www-form-urlencoded';
                curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

                $result = curl_exec($ch);
                if (curl_errno($ch)) {
                    echo 'Error:' . curl_error($ch);
                }
                curl_close($ch);
                $response = 'success';
            } catch (\Exception $exception) {
                $response = 'error';
            }
        }
        return $response;
    }

    public static function two_factor($receiver, $otp)
    {

        $config = self::get_settings('2factor');
        $response = 'error';
        if (isset($config) && $config['status'] == 1) {
            $api_key = $config['api_key'];
            $curl = curl_init();
            curl_setopt_array($curl, array(
                CURLOPT_URL => "https://2factor.in/API/V1/" . $api_key . "/SMS/" . $receiver . "/" . $otp . "",
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_ENCODING => "",
                CURLOPT_MAXREDIRS => 10,
                CURLOPT_TIMEOUT => 30,
                CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
                CURLOPT_CUSTOMREQUEST => "GET",
            ));
            $response = curl_exec($curl);
            $err = curl_error($curl);
            curl_close($curl);

            if (!$err) {
                $response = 'success';
            } else {
                $response = 'error';
            }
        }
        return $response;
    }

    public static function msg_91($receiver, $otp)
    {
        $config = self::get_settings('msg91');
        $response = 'error';
        if (isset($config) && $config['status'] == 1) {
            $receiver = str_replace("+", "", $receiver);
            $curl = curl_init();
            curl_setopt_array($curl, array(
                CURLOPT_URL => "https://api.msg91.com/api/v5/otp?template_id=" . $config['template_id'] . "&mobile=" . $receiver . "&authkey=" . $config['auth_key'] . "",
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_ENCODING => "",
                CURLOPT_MAXREDIRS => 10,
                CURLOPT_TIMEOUT => 30,
                CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
                CURLOPT_CUSTOMREQUEST => "GET",
                CURLOPT_POSTFIELDS => "{\"OTP\":\"$otp\"}",
                CURLOPT_HTTPHEADER => array(
                    "content-type: application/json"
                ),
            ));
            $response = curl_exec($curl);
            $err = curl_error($curl);
            curl_close($curl);
            if (!$err) {
                $response = 'success';
            } else {
                $response = 'error';
            }
        }
        return $response;
    }

    public static function signal_wire($receiver, $otp)
    {
        $config = self::get_settings('signal_wire');
        $response = 'error';
        if (isset($config) && $config['status'] == 1) {

            $message = str_replace("#OTP#", $otp, "Your otp is #OTP#.");

            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, "https://" . $config['space_url'] . "/api/laml/2010-04-01/Accounts/" . $config['project_id'] . "/Messages");
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
            curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');
            curl_setopt($ch, CURLOPT_HTTPHEADER, [
                'Content-Type' => 'application/x-www-form-urlencoded',
            ]);
            curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
            curl_setopt($ch, CURLOPT_USERPWD, $config['project_id'] . ':' . $config['token']);
            curl_setopt($ch, CURLOPT_POSTFIELDS, "From=" . $config['from'] . "&To=" . $receiver . "&Body=" . $message);

            $response = curl_exec($ch);
            $error = curl_error($ch);

            curl_close($ch);

            if (!$error) {
                $response = 'success';
            } else {
                $response = 'error';
            }

        }
        return $response;
    }

    public static function get_settings($name)
    {
        $config = DB::table('addon_settings')->where('key_name', $name)
            ->where('settings_type', 'sms_config')->first();

        if (isset($config) && !is_null($config->live_values)) {
            return json_decode($config->live_values, true);
        }
        return null;
    }
}
