<?php

namespace App\Library;
use Illuminate\Support\Facades\Validator;
use Illuminate\Http\Request;
use App\Models\User;
use DB;

class UserLib
{
    public function tokenGenrator() {                 
        $length = 100;
        $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ=.';
        $randomString = '';    
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[rand(0, strlen($characters) - 1)];
        }
        return $randomString; 	         
    }

    //create user id
    public function useridGenrator() {                 
        $length = 37;
        $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
        $randomString = '';    
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[rand(0, strlen($characters) - 1)];
        }
        return $randomString; 	         
    }

    //create otp
    public function otpGenrator() {                 
        $length = 6;
        $characters = '0123456789';
        $randomString = '';    
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[rand(0, strlen($characters) - 1)];
        }
        return $randomString; 	         
    }

    public function generateID($length = 8)
    {
        $random = "";
        srand((double) microtime() * 1000000);
        $data = "123456123456789071234567890890";
        // $data .= "aBCdefghijklmn123opq45rs67tuv89wxyz"; // if you need alphabatic also

        for ($i = 0; $i < $length; $i++) {
                $random .= substr($data, (rand() % (strlen($data))), 1);
        }
        return $random;
    }
}